Merge branch 'STAR-322_cloud-connection' of github.com:Ultimaker/Cura into STAR-322_cloud-connection-multipart-upload

.gitignore

@@ -42,7 +42,6 @@ plugins/cura-siemensnx-plugin
 plugins/CuraBlenderPlugin
 plugins/CuraCloudPlugin
 plugins/CuraDrivePlugin
-plugins/CuraDrive
 plugins/CuraLiveScriptingPlugin
 plugins/CuraOpenSCADPlugin
 plugins/CuraPrintProfileCreator

cura/API/Account.py

@@ -6,6 +6,7 @@ from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot, pyqtProperty
 
 from UM.i18n import i18nCatalog
 from UM.Message import Message
+from cura import CuraConstants
 
 from cura.OAuth2.AuthorizationService import AuthorizationService
 from cura.OAuth2.Models import OAuth2Settings
@@ -37,7 +38,7 @@ class Account(QObject):
         self._logged_in = False
 
         self._callback_port = 32118
-        self._oauth_root = "https://account-staging.ultimaker.com"
+        self._oauth_root = CuraConstants.CuraCloudAccountAPIRoot
 
         self._oauth_settings = OAuth2Settings(
             OAUTH_SERVER_URL= self._oauth_root,

cura/BuildVolume.py

@@ -83,7 +83,14 @@ class BuildVolume(SceneNode):
             " with printed models."), title = catalog.i18nc("@info:title", "Build Volume"))
 
         self._global_container_stack = None
+
+        self._stack_change_timer = QTimer()
+        self._stack_change_timer.setInterval(100)
+        self._stack_change_timer.setSingleShot(True)
+        self._stack_change_timer.timeout.connect(self._onStackChangeTimerFinished)
+
         self._application.globalContainerStackChanged.connect(self._onStackChanged)
+
         self._onStackChanged()
 
         self._engine_ready = False
@@ -105,6 +112,8 @@ class BuildVolume(SceneNode):
         self._setting_change_timer.setSingleShot(True)
         self._setting_change_timer.timeout.connect(self._onSettingChangeTimerFinished)
 
+
+
         # Must be after setting _build_volume_message, apparently that is used in getMachineManager.
         # activeQualityChanged is always emitted after setActiveVariant, setActiveMaterial and setActiveQuality.
         # Therefore this works.
@@ -526,8 +535,11 @@ class BuildVolume(SceneNode):
         if extra_z != self._extra_z_clearance:
             self._extra_z_clearance = extra_z
 
-    ##  Update the build volume visualization
     def _onStackChanged(self):
+        self._stack_change_timer.start()
+
+    ##  Update the build volume visualization
+    def _onStackChangeTimerFinished(self):
         if self._global_container_stack:
             self._global_container_stack.propertyChanged.disconnect(self._onSettingPropertyChanged)
             extruders = ExtruderManager.getInstance().getActiveExtruderStacks()

cura/CuraApplication.py

@@ -115,6 +115,8 @@ from cura.ObjectsModel import ObjectsModel
 
 from cura.PrinterOutput.NetworkMJPGImage import NetworkMJPGImage
 
+from cura import CuraConstants
+
 from UM.FlameProfiler import pyqtSlot
 from UM.Decorators import override
 
@@ -127,15 +129,6 @@ if TYPE_CHECKING:
 
 numpy.seterr(all = "ignore")
 
-try:
-    from cura.CuraVersion import CuraAppDisplayName, CuraVersion, CuraBuildType, CuraDebugMode, CuraSDKVersion  # type: ignore
-except ImportError:
-    CuraAppDisplayName = "Ultimaker Cura"
-    CuraVersion = "master"  # [CodeStyle: Reflecting imported value]
-    CuraBuildType = ""
-    CuraDebugMode = False
-    CuraSDKVersion = "5.0.0"
-
 
 class CuraApplication(QtApplication):
     # SettingVersion represents the set of settings available in the machine/extruder definitions.
@@ -162,11 +155,11 @@ class CuraApplication(QtApplication):
 
     def __init__(self, *args, **kwargs):
         super().__init__(name = "cura",
-                         app_display_name = CuraAppDisplayName,
-                         version = CuraVersion,
-                         api_version = CuraSDKVersion,
-                         buildtype = CuraBuildType,
-                         is_debug_mode = CuraDebugMode,
+                         app_display_name = CuraConstants.CuraAppDisplayName,
+                         version = CuraConstants.CuraVersion,
+                         api_version = CuraConstants.CuraSDKVersion,
+                         buildtype = CuraConstants.CuraBuildType,
+                         is_debug_mode = CuraConstants.CuraDebugMode,
                          tray_icon_name = "cura-icon-32.png",
                          **kwargs)
 
@@ -936,7 +929,7 @@ class CuraApplication(QtApplication):
         engine.rootContext().setContextProperty("CuraApplication", self)
         engine.rootContext().setContextProperty("PrintInformation", self._print_information)
         engine.rootContext().setContextProperty("CuraActions", self._cura_actions)
-        engine.rootContext().setContextProperty("CuraSDKVersion", CuraSDKVersion)
+        engine.rootContext().setContextProperty("CuraSDKVersion", CuraConstants.CuraSDKVersion)
 
         qmlRegisterUncreatableType(CuraApplication, "Cura", 1, 0, "ResourceTypes", "Just an Enum type")
 

cura/CuraConstants.py

@@ -0,0 +1,60 @@
+#
+# This file contains all constant values in Cura
+#
+
+# -------------
+# Cura Versions
+# -------------
+DEFAULT_CURA_DISPLAY_NAME = "Ultimaker Cura"
+DEFAULT_CURA_VERSION = "master"
+DEFAULT_CURA_BUILD_TYPE = ""
+DEFAULT_CURA_DEBUG_MODE = False
+DEFAULT_CURA_SDK_VERSION = "5.0.0"
+
+try:
+    from cura.CuraVersion import CuraAppDisplayName  # type: ignore
+except ImportError:
+    CuraAppDisplayName = DEFAULT_CURA_DISPLAY_NAME
+
+try:
+    from cura.CuraVersion import CuraVersion  # type: ignore
+except ImportError:
+    CuraVersion = DEFAULT_CURA_VERSION  # [CodeStyle: Reflecting imported value]
+
+try:
+    from cura.CuraVersion import CuraBuildType  # type: ignore
+except ImportError:
+    CuraBuildType = DEFAULT_CURA_BUILD_TYPE
+
+try:
+    from cura.CuraVersion import CuraDebugMode  # type: ignore
+except ImportError:
+    CuraDebugMode = DEFAULT_CURA_DEBUG_MODE
+
+try:
+    from cura.CuraVersion import CuraSDKVersion  # type: ignore
+except ImportError:
+    CuraSDKVersion = DEFAULT_CURA_SDK_VERSION
+
+
+# ---------
+# Cloud API
+# ---------
+DEFAULT_CLOUD_API_ROOT = "https://api.ultimaker.com"  # type: str
+DEFAULT_CLOUD_API_VERSION = "1"  # type: str
+DEFAULT_CLOUD_ACCOUNT_API_ROOT = "https://account.ultimaker.com"  # type: str
+
+try:
+    from cura.CuraVersion import CuraCloudAPIRoot  # type: ignore
+except ImportError:
+    CuraCloudAPIRoot = DEFAULT_CLOUD_API_ROOT
+
+try:
+    from cura.CuraVersion import CuraCloudAPIVersion  # type: ignore
+except ImportError:
+    CuraCloudAPIVersion = DEFAULT_CLOUD_API_VERSION
+
+try:
+    from cura.CuraVersion import CuraCloudAccountAPIRoot  # type: ignore
+except ImportError:
+    CuraCloudAccountAPIRoot = DEFAULT_CLOUD_ACCOUNT_API_ROOT

cura/Machines/MachineErrorChecker.py

@@ -64,21 +64,21 @@ class MachineErrorChecker(QObject):
 
     def _onMachineChanged(self) -> None:
         if self._global_stack:
-            self._global_stack.propertyChanged.disconnect(self.startErrorCheck)
+            self._global_stack.propertyChanged.disconnect(self.startErrorCheckPropertyChanged)
             self._global_stack.containersChanged.disconnect(self.startErrorCheck)
 
             for extruder in self._global_stack.extruders.values():
-                extruder.propertyChanged.disconnect(self.startErrorCheck)
+                extruder.propertyChanged.disconnect(self.startErrorCheckPropertyChanged)
                 extruder.containersChanged.disconnect(self.startErrorCheck)
 
         self._global_stack = self._machine_manager.activeMachine
 
         if self._global_stack:
-            self._global_stack.propertyChanged.connect(self.startErrorCheck)
+            self._global_stack.propertyChanged.connect(self.startErrorCheckPropertyChanged)
             self._global_stack.containersChanged.connect(self.startErrorCheck)
 
             for extruder in self._global_stack.extruders.values():
-                extruder.propertyChanged.connect(self.startErrorCheck)
+                extruder.propertyChanged.connect(self.startErrorCheckPropertyChanged)
                 extruder.containersChanged.connect(self.startErrorCheck)
 
     hasErrorUpdated = pyqtSignal()
@@ -93,6 +93,13 @@ class MachineErrorChecker(QObject):
     def needToWaitForResult(self) -> bool:
         return self._need_to_check or self._check_in_progress
 
+    #   Start the error check for property changed
+    #   this is seperate from the startErrorCheck because it ignores a number property types
+    def startErrorCheckPropertyChanged(self, key, property_name):
+        if property_name != "value":
+            return
+        self.startErrorCheck()
+
     # Starts the error check timer to schedule a new error check.
     def startErrorCheck(self, *args) -> None:
         if not self._check_in_progress:

cura/Machines/Models/BaseMaterialsModel.py

@@ -1,5 +1,6 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
+from typing import Optional, Dict, Set
 
 from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty
 from UM.Qt.ListModel import ListModel
@@ -9,6 +10,9 @@ from UM.Qt.ListModel import ListModel
 #  Those 2 models are used by the material drop down menu to show generic materials and branded materials separately.
 #  The extruder position defined here is being used to bound a menu to the correct extruder. This is used in the top
 #  bar menu "Settings" -> "Extruder nr" -> "Material" -> this menu
+from cura.Machines.MaterialNode import MaterialNode
+
+
 class BaseMaterialsModel(ListModel):
 
     extruderPositionChanged = pyqtSignal()
@@ -54,8 +58,8 @@ class BaseMaterialsModel(ListModel):
         self._extruder_position = 0
         self._extruder_stack = None
 
-        self._available_materials = None
-        self._favorite_ids = None
+        self._available_materials = None  # type: Optional[Dict[str, MaterialNode]]
+        self._favorite_ids = set()  # type: Set[str]
 
     def _updateExtruderStack(self):
         global_stack = self._machine_manager.activeMachine
@@ -102,8 +106,10 @@ class BaseMaterialsModel(ListModel):
             return False
         
         extruder_stack = global_stack.extruders[extruder_position]
-
-        self._available_materials = self._material_manager.getAvailableMaterialsForMachineExtruder(global_stack, extruder_stack)
+        available_materials = self._material_manager.getAvailableMaterialsForMachineExtruder(global_stack, extruder_stack)
+        if available_materials == self._available_materials:
+            return False
+        self._available_materials = available_materials
         if self._available_materials is None:
             return False
 

cura/Machines/Models/FavoriteMaterialsModel.py

@@ -4,17 +4,14 @@
 from UM.Logger import Logger
 from cura.Machines.Models.BaseMaterialsModel import BaseMaterialsModel
 
-class FavoriteMaterialsModel(BaseMaterialsModel):
 
+class FavoriteMaterialsModel(BaseMaterialsModel):
     def __init__(self, parent = None):
         super().__init__(parent)
         self._update()
 
     def _update(self):
-
-        # Perform standard check and reset if the check fails
         if not self._canUpdate():
-            self.setItems([])
             return
 
         # Get updated list of favorites

cura/Machines/Models/GenericMaterialsModel.py

@@ -11,10 +11,7 @@ class GenericMaterialsModel(BaseMaterialsModel):
         self._update()
 
     def _update(self):
-
-        # Perform standard check and reset if the check fails
         if not self._canUpdate():
-            self.setItems([])
             return
 
         # Get updated list of favorites

cura/Machines/Models/MaterialBrandsModel.py

@@ -28,12 +28,8 @@ class MaterialBrandsModel(BaseMaterialsModel):
         self._update()
 
     def _update(self):
-
-        # Perform standard check and reset if the check fails
         if not self._canUpdate():
-            self.setItems([])
             return
-
         # Get updated list of favorites
         self._favorite_ids = self._material_manager.getFavorites()
 

cura/OAuth2/AuthorizationHelpers.py

@@ -81,9 +81,14 @@ class AuthorizationHelpers:
     #   \param access_token: The encoded JWT token.
     #   \return: Dict containing some profile data.
     def parseJWT(self, access_token: str) -> Optional["UserProfile"]:
+        try:
             token_request = requests.get("{}/check-token".format(self._settings.OAUTH_SERVER_URL), headers = {
                 "Authorization": "Bearer {}".format(access_token)
             })
+        except ConnectionError:
+            # Connection was suddenly dropped. Nothing we can do about that.
+            Logger.logException("e", "Something failed while attempting to parse the JWT token")
+            return None
         if token_request.status_code not in (200, 201):
             Logger.log("w", "Could not retrieve token data from auth server: %s", token_request.text)
             return None

cura/PrinterOutput/ConfigurationModel.py

@@ -44,7 +44,7 @@ class ConfigurationModel(QObject):
 
     @pyqtProperty(str, fset = setBuildplateConfiguration, notify = configurationChanged)
     def buildplateConfiguration(self) -> str:
-        return self._buildplate_configuration.capitalize()
+        return self._buildplate_configuration
 
     ##  This method is intended to indicate whether the configuration is valid or not.
     #   The method checks if the mandatory fields are or not set

cura/Settings/ExtruderManager.py

@@ -83,6 +83,7 @@ class ExtruderManager(QObject):
     #   \param index The index of the new active extruder.
     @pyqtSlot(int)
     def setActiveExtruderIndex(self, index: int) -> None:
+        if self._active_extruder_index != index:
             self._active_extruder_index = index
             self.activeExtruderChanged.emit()
 
@@ -344,6 +345,7 @@ class ExtruderManager(QObject):
             if extruders_changed:
                 self.extrudersChanged.emit(global_stack_id)
                 self.setActiveExtruderIndex(0)
+                self.activeExtruderChanged.emit()
 
     # After 3.4, all single-extrusion machines have their own extruder definition files instead of reusing
     # "fdmextruder". We need to check a machine here so its extruder definition is correct according to this.

cura/Settings/ExtrudersModel.py

@@ -224,6 +224,6 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
                     "definition": ""
                 }
                 items.append(item)
-
+            if self._items != items:
                 self.setItems(items)
                 self.modelChanged.emit()

cura/Settings/GlobalStack.py

@@ -3,8 +3,8 @@
 
 from collections import defaultdict
 import threading
-from typing import Any, Dict, Optional, Set, TYPE_CHECKING
-from PyQt5.QtCore import pyqtProperty, pyqtSlot
+from typing import Any, Dict, Optional, Set, TYPE_CHECKING, List
+from PyQt5.QtCore import pyqtProperty, pyqtSlot, pyqtSignal
 
 from UM.Decorators import override
 from UM.MimeTypeDatabase import MimeType, MimeTypeDatabase
@@ -42,13 +42,23 @@ class GlobalStack(CuraContainerStack):
         # Per thread we have our own resolving_settings, or strange things sometimes occur.
         self._resolving_settings = defaultdict(set) #type: Dict[str, Set[str]] # keys are thread names
 
+    extrudersChanged = pyqtSignal()
+
     ##  Get the list of extruders of this stack.
     #
     #   \return The extruders registered with this stack.
-    @pyqtProperty("QVariantMap")
+    @pyqtProperty("QVariantMap", notify = extrudersChanged)
     def extruders(self) -> Dict[str, "ExtruderStack"]:
         return self._extruders
 
+    @pyqtProperty("QVariantList", notify = extrudersChanged)
+    def extruderList(self) -> List["ExtruderStack"]:
+        result_tuple_list = sorted(list(self.extruders.items()), key=lambda x: int(x[0]))
+        result_list = [item[1] for item in result_tuple_list]
+
+        machine_extruder_count = self.getProperty("machine_extruder_count", "value")
+        return result_list[:machine_extruder_count]
+
     @classmethod
     def getLoadingPriority(cls) -> int:
         return 2

cura/Stages/CuraStage.py

@@ -24,10 +24,6 @@ class CuraStage(Stage):
     def mainComponent(self) -> QUrl:
         return self.getDisplayComponent("main")
 
-    @pyqtProperty(QUrl, constant = True)
-    def sidebarComponent(self) -> QUrl:
-        return self.getDisplayComponent("sidebar")
-
     @pyqtProperty(QUrl, constant = True)
     def stageMenuComponent(self) -> QUrl:
         return self.getDisplayComponent("menu")

plugins/CuraDrive/__init__.py

@@ -0,0 +1,14 @@
+# Copyright (c) 2017 Ultimaker B.V.
+import os
+
+is_testing = os.getenv('ENV_NAME', "development") == "testing"
+
+# Only load the whole plugin when not running tests as __init__.py is automatically loaded by PyTest
+if not is_testing:
+    from .src.DrivePluginExtension import DrivePluginExtension
+
+    def getMetaData():
+        return {}
+
+    def register(app):
+        return {"extension": DrivePluginExtension(app)}

plugins/CuraDrive/plugin.json

@@ -0,0 +1,8 @@
+{
+    "name": "Cura Backups",
+    "author": "Ultimaker B.V.",
+    "description": "Backup and restore your configuration.",
+    "version": "1.2.0",
+    "api": 5,
+    "i18n-catalog": "cura"
+}

plugins/CuraDrive/src/DriveApiService.py

@@ -0,0 +1,185 @@
+# Copyright (c) 2017 Ultimaker B.V.
+import base64
+import hashlib
+from datetime import datetime
+from tempfile import NamedTemporaryFile
+from typing import Any, Optional, List, Dict
+
+import requests
+
+from UM.Logger import Logger
+from UM.Message import Message
+from UM.Signal import Signal
+
+from .UploadBackupJob import UploadBackupJob
+from .Settings import Settings
+
+
+class DriveApiService:
+    """
+    The DriveApiService is responsible for interacting with the CuraDrive API and Cura's backup handling.
+    """
+
+    GET_BACKUPS_URL = "{}/backups".format(Settings.DRIVE_API_URL)
+    PUT_BACKUP_URL = "{}/backups".format(Settings.DRIVE_API_URL)
+    DELETE_BACKUP_URL = "{}/backups".format(Settings.DRIVE_API_URL)
+
+    # Emit signal when restoring backup started or finished.
+    onRestoringStateChanged = Signal()
+
+    # Emit signal when creating backup started or finished.
+    onCreatingStateChanged = Signal()
+
+    def __init__(self, cura_api) -> None:
+        """Create a new instance of the Drive API service and set the cura_api object."""
+        self._cura_api = cura_api
+
+    def getBackups(self) -> List[Dict[str, Any]]:
+        """Get all backups from the API."""
+        access_token = self._cura_api.account.accessToken
+        if not access_token:
+            Logger.log("w", "Could not get access token.")
+            return []
+
+        backup_list_request = requests.get(self.GET_BACKUPS_URL, headers={
+            "Authorization": "Bearer {}".format(access_token)
+        })
+        if backup_list_request.status_code > 299:
+            Logger.log("w", "Could not get backups list from remote: %s", backup_list_request.text)
+            Message(Settings.translatable_messages["get_backups_error"], title = Settings.MESSAGE_TITLE,
+                    lifetime = 10).show()
+            return []
+        return backup_list_request.json()["data"]
+
+    def createBackup(self) -> None:
+        """Create a backup and upload it to CuraDrive cloud storage."""
+        self.onCreatingStateChanged.emit(is_creating=True)
+
+        # Create the backup.
+        backup_zip_file, backup_meta_data = self._cura_api.backups.createBackup()
+        if not backup_zip_file or not backup_meta_data:
+            self.onCreatingStateChanged.emit(is_creating=False, error_message="Could not create backup.")
+            return
+
+        # Create an upload entry for the backup.
+        timestamp = datetime.now().isoformat()
+        backup_meta_data["description"] = "{}.backup.{}.cura.zip".format(timestamp, backup_meta_data["cura_release"])
+        backup_upload_url = self._requestBackupUpload(backup_meta_data, len(backup_zip_file))
+        if not backup_upload_url:
+            self.onCreatingStateChanged.emit(is_creating=False, error_message="Could not upload backup.")
+            return
+
+        # Upload the backup to storage.
+        upload_backup_job = UploadBackupJob(backup_upload_url, backup_zip_file)
+        upload_backup_job.finished.connect(self._onUploadFinished)
+        upload_backup_job.start()
+
+    def _onUploadFinished(self, job: "UploadBackupJob") -> None:
+        """
+        Callback handler for the upload job.
+        :param job: The executed job.
+        """
+        if job.backup_upload_error_message != "":
+            # If the job contains an error message we pass it along so the UI can display it.
+            self.onCreatingStateChanged.emit(is_creating=False, error_message=job.backup_upload_error_message)
+        else:
+            self.onCreatingStateChanged.emit(is_creating=False)
+
+    def restoreBackup(self, backup: Dict[str, Any]) -> None:
+        """
+        Restore a previously exported backup from cloud storage.
+        :param backup: A dict containing an entry from the API list response.
+        """
+        self.onRestoringStateChanged.emit(is_restoring=True)
+        download_url = backup.get("download_url")
+        if not download_url:
+            # If there is no download URL, we can't restore the backup.
+            return self._emitRestoreError()
+
+        download_package = requests.get(download_url, stream=True)
+        if download_package.status_code != 200:
+            # Something went wrong when attempting to download the backup.
+            Logger.log("w", "Could not download backup from url %s: %s", download_url, download_package.text)
+            return self._emitRestoreError()
+
+        # We store the file in a temporary path fist to ensure integrity.
+        temporary_backup_file = NamedTemporaryFile(delete=False)
+        with open(temporary_backup_file.name, "wb") as write_backup:
+            for chunk in download_package:
+                write_backup.write(chunk)
+
+        if not self._verifyMd5Hash(temporary_backup_file.name, backup.get("md5_hash", "")):
+            # Don't restore the backup if the MD5 hashes do not match.
+            # This can happen if the download was interrupted.
+            Logger.log("w", "Remote and local MD5 hashes do not match, not restoring backup.")
+            return self._emitRestoreError()
+
+        # Tell Cura to place the backup back in the user data folder.
+        with open(temporary_backup_file.name, "rb") as read_backup:
+            self._cura_api.backups.restoreBackup(read_backup.read(), backup.get("data"))
+            self.onRestoringStateChanged.emit(is_restoring=False)
+
+    def _emitRestoreError(self, error_message: str = Settings.translatable_messages["backup_restore_error_message"]):
+        """Helper method for emitting a signal when restoring failed."""
+        self.onRestoringStateChanged.emit(
+            is_restoring=False,
+            error_message=error_message
+        )
+
+    @staticmethod
+    def _verifyMd5Hash(file_path: str, known_hash: str) -> bool:
+        """
+        Verify the MD5 hash of a file.
+        :param file_path: Full path to the file.
+        :param known_hash: The known MD5 hash of the file.
+        :return: Success or not.
+        """
+        with open(file_path, "rb") as read_backup:
+            local_md5_hash = base64.b64encode(hashlib.md5(read_backup.read()).digest(), altchars=b"_-").decode("utf-8")
+            return known_hash == local_md5_hash
+
+    def deleteBackup(self, backup_id: str) -> bool:
+        """
+        Delete a backup from the server by ID.
+        :param backup_id: The ID of the backup to delete.
+        :return: Success bool.
+        """
+        access_token = self._cura_api.account.accessToken
+        if not access_token:
+            Logger.log("w", "Could not get access token.")
+            return False
+
+        delete_backup = requests.delete("{}/{}".format(self.DELETE_BACKUP_URL, backup_id), headers = {
+            "Authorization": "Bearer {}".format(access_token)
+        })
+        if delete_backup.status_code > 299:
+            Logger.log("w", "Could not delete backup: %s", delete_backup.text)
+            return False
+        return True
+
+    def _requestBackupUpload(self, backup_metadata: Dict[str, Any], backup_size: int) -> Optional[str]:
+        """
+        Request a backup upload slot from the API.
+        :param backup_metadata: A dict containing some meta data about the backup.
+        :param backup_size: The size of the backup file in bytes.
+        :return: The upload URL for the actual backup file if successful, otherwise None.
+        """
+        access_token = self._cura_api.account.accessToken
+        if not access_token:
+            Logger.log("w", "Could not get access token.")
+            return None
+        
+        backup_upload_request = requests.put(self.PUT_BACKUP_URL, json={
+            "data": {
+                "backup_size": backup_size,
+                "metadata": backup_metadata
+            }
+        }, headers={
+            "Authorization": "Bearer {}".format(access_token)
+        })
+        
+        if backup_upload_request.status_code > 299:
+            Logger.log("w", "Could not request backup upload: %s", backup_upload_request.text)
+            return None
+        
+        return backup_upload_request.json()["data"]["upload_url"]

plugins/CuraDrive/src/DrivePluginExtension.py

@@ -0,0 +1,201 @@
+# Copyright (c) 2017 Ultimaker B.V.
+import os
+from datetime import datetime
+from typing import Optional
+
+from PyQt5.QtCore import QObject, pyqtSlot, pyqtProperty, pyqtSignal
+
+from UM.Extension import Extension
+from UM.Message import Message
+
+from .Settings import Settings
+from .DriveApiService import DriveApiService
+from .models.BackupListModel import BackupListModel
+
+
+class DrivePluginExtension(QObject, Extension):
+    """
+    The DivePluginExtension provides functionality to backup and restore your Cura configuration to Ultimaker's cloud.
+    """
+
+    # Signal emitted when the list of backups changed.
+    backupsChanged = pyqtSignal()
+
+    # Signal emitted when restoring has started. Needed to prevent parallel restoring.
+    restoringStateChanged = pyqtSignal()
+
+    # Signal emitted when creating has started. Needed to prevent parallel creation of backups.
+    creatingStateChanged = pyqtSignal()
+
+    # Signal emitted when preferences changed (like auto-backup).
+    preferencesChanged = pyqtSignal()
+    
+    DATE_FORMAT = "%d/%m/%Y %H:%M:%S"
+
+    def __init__(self, application):
+        super(DrivePluginExtension, self).__init__()
+        
+        # Re-usable instance of application.
+        self._application = application
+
+        # Local data caching for the UI.
+        self._drive_window = None  # type: Optional[QObject]
+        self._backups_list_model = BackupListModel()
+        self._is_restoring_backup = False
+        self._is_creating_backup = False
+
+        # Initialize services.
+        self._preferences = self._application.getPreferences()
+        self._cura_api = self._application.getCuraAPI()
+        self._drive_api_service = DriveApiService(self._cura_api)
+
+        # Attach signals.
+        self._cura_api.account.loginStateChanged.connect(self._onLoginStateChanged)
+        self._drive_api_service.onRestoringStateChanged.connect(self._onRestoringStateChanged)
+        self._drive_api_service.onCreatingStateChanged.connect(self._onCreatingStateChanged)
+
+        # Register preferences.
+        self._preferences.addPreference(Settings.AUTO_BACKUP_ENABLED_PREFERENCE_KEY, False)
+        self._preferences.addPreference(Settings.AUTO_BACKUP_LAST_DATE_PREFERENCE_KEY, datetime.now()
+                                        .strftime(self.DATE_FORMAT))
+        
+        # Register menu items.
+        self._updateMenuItems()
+
+        # Make auto-backup on boot if required.
+        self._application.engineCreatedSignal.connect(self._autoBackup)
+
+    def showDriveWindow(self) -> None:
+        """Show the Drive UI popup window."""
+        if not self._drive_window:
+            self._drive_window = self.createDriveWindow()
+        self.refreshBackups()
+        if self._drive_window:
+            self._drive_window.show()
+
+    def createDriveWindow(self) -> Optional["QObject"]:
+        """
+        Create an instance of the Drive UI popup window.
+        :return: The popup window object.
+        """
+        path = os.path.join(os.path.dirname(__file__), "qml", "main.qml")
+        return self._application.createQmlComponent(path, {"CuraDrive": self})
+    
+    def _updateMenuItems(self) -> None:
+        """Update the menu items."""
+        self.addMenuItem(Settings.translatable_messages["extension_menu_entry"], self.showDriveWindow)
+
+    def _autoBackup(self) -> None:
+        """Automatically make a backup on boot if enabled."""
+        if self._preferences.getValue(Settings.AUTO_BACKUP_ENABLED_PREFERENCE_KEY) and self._lastBackupTooLongAgo():
+            self.createBackup()
+            
+    def _lastBackupTooLongAgo(self) -> bool:
+        """Check if the last backup was longer than 1 day ago."""
+        current_date = datetime.now()
+        last_backup_date = self._getLastBackupDate()
+        date_diff = current_date - last_backup_date
+        return date_diff.days > 1
+
+    def _getLastBackupDate(self) -> "datetime":
+        """Get the last backup date as datetime object."""
+        last_backup_date = self._preferences.getValue(Settings.AUTO_BACKUP_LAST_DATE_PREFERENCE_KEY)
+        return datetime.strptime(last_backup_date, self.DATE_FORMAT)
+
+    def _storeBackupDate(self) -> None:
+        """Store the current date as last backup date."""
+        backup_date = datetime.now().strftime(self.DATE_FORMAT)
+        self._preferences.setValue(Settings.AUTO_BACKUP_LAST_DATE_PREFERENCE_KEY, backup_date)
+
+    def _onLoginStateChanged(self, logged_in: bool = False) -> None:
+        """Callback handler for changes in the login state."""
+        if logged_in:
+            self.refreshBackups()
+
+    def _onRestoringStateChanged(self, is_restoring: bool = False, error_message: str = None) -> None:
+        """Callback handler for changes in the restoring state."""
+        self._is_restoring_backup = is_restoring
+        self.restoringStateChanged.emit()
+        if error_message:
+            Message(error_message, title = Settings.MESSAGE_TITLE, lifetime = 5).show()
+
+    def _onCreatingStateChanged(self, is_creating: bool = False, error_message: str = None) -> None:
+        """Callback handler for changes in the creation state."""
+        self._is_creating_backup = is_creating
+        self.creatingStateChanged.emit()
+        if error_message:
+            Message(error_message, title = Settings.MESSAGE_TITLE, lifetime = 5).show()
+        else:
+            self._storeBackupDate()
+        if not is_creating:
+            # We've finished creating a new backup, to the list has to be updated.
+            self.refreshBackups()
+
+    @pyqtSlot(bool, name = "toggleAutoBackup")
+    def toggleAutoBackup(self, enabled: bool) -> None:
+        """Enable or disable the auto-backup feature."""
+        self._preferences.setValue(Settings.AUTO_BACKUP_ENABLED_PREFERENCE_KEY, enabled)
+        self.preferencesChanged.emit()
+
+    @pyqtProperty(bool, notify = preferencesChanged)
+    def autoBackupEnabled(self) -> bool:
+        """Check if auto-backup is enabled or not."""
+        return bool(self._preferences.getValue(Settings.AUTO_BACKUP_ENABLED_PREFERENCE_KEY))
+
+    @pyqtProperty(QObject, notify = backupsChanged)
+    def backups(self) -> BackupListModel:
+        """
+        Get a list of the backups.
+        :return: The backups as Qt List Model.
+        """
+        return self._backups_list_model
+
+    @pyqtSlot(name = "refreshBackups")
+    def refreshBackups(self) -> None:
+        """
+        Forcefully refresh the backups list.
+        """
+        self._backups_list_model.loadBackups(self._drive_api_service.getBackups())
+        self.backupsChanged.emit()
+
+    @pyqtProperty(bool, notify = restoringStateChanged)
+    def isRestoringBackup(self) -> bool:
+        """
+        Get the current restoring state.
+        :return: Boolean if we are restoring or not.
+        """
+        return self._is_restoring_backup
+
+    @pyqtProperty(bool, notify = creatingStateChanged)
+    def isCreatingBackup(self) -> bool:
+        """
+        Get the current creating state.
+        :return: Boolean if we are creating or not.
+        """
+        return self._is_creating_backup
+
+    @pyqtSlot(str, name = "restoreBackup")
+    def restoreBackup(self, backup_id: str) -> None:
+        """
+        Download and restore a backup by ID.
+        :param backup_id: The ID of the backup.
+        """
+        index = self._backups_list_model.find("backup_id", backup_id)
+        backup = self._backups_list_model.getItem(index)
+        self._drive_api_service.restoreBackup(backup)
+
+    @pyqtSlot(name = "createBackup")
+    def createBackup(self) -> None:
+        """
+        Create a new backup.
+        """
+        self._drive_api_service.createBackup()
+
+    @pyqtSlot(str, name = "deleteBackup")
+    def deleteBackup(self, backup_id: str) -> None:
+        """
+        Delete a backup by ID.
+        :param backup_id: The ID of the backup.
+        """
+        self._drive_api_service.deleteBackup(backup_id)
+        self.refreshBackups()

plugins/CuraDrive/src/Settings.py

@@ -0,0 +1,37 @@
+# Copyright (c) 2018 Ultimaker B.V.
+from UM import i18nCatalog
+
+from cura import CuraConstants
+
+
+class Settings:
+    """
+    Keeps the application settings.
+    """
+    DRIVE_API_VERSION = 1
+    DRIVE_API_URL = "{}/cura-drive/v{}".format(CuraConstants.CuraCloudAPIRoot, str(DRIVE_API_VERSION))
+
+    AUTO_BACKUP_ENABLED_PREFERENCE_KEY = "cura_drive/auto_backup_enabled"
+    AUTO_BACKUP_LAST_DATE_PREFERENCE_KEY = "cura_drive/auto_backup_date"
+
+    I18N_CATALOG_ID = "cura"
+    I18N_CATALOG = i18nCatalog(I18N_CATALOG_ID)
+
+    MESSAGE_TITLE = I18N_CATALOG.i18nc("@info:title", "Backups"),
+
+    # Translatable messages for the entire plugin.
+    translatable_messages = {
+        
+        # Menu items.
+        "extension_menu_entry": I18N_CATALOG.i18nc("@item:inmenu", "Manage backups"),
+        
+        # Notification messages.
+        "backup_failed": I18N_CATALOG.i18nc("@info:backup_status", "There was an error while creating your backup."),
+        "uploading_backup": I18N_CATALOG.i18nc("@info:backup_status", "Uploading your backup..."),
+        "uploading_backup_success": I18N_CATALOG.i18nc("@info:backup_status", "Your backup has finished uploading."),
+        "uploading_backup_error": I18N_CATALOG.i18nc("@info:backup_status",
+                                                     "There was an error while uploading your backup."),
+        "get_backups_error": I18N_CATALOG.i18nc("@info:backup_status", "There was an error listing your backups."),
+        "backup_restore_error_message": I18N_CATALOG.i18nc("@info:backup_status",
+                                                           "There was an error trying to restore your backup.")
+    }

plugins/CuraDrive/src/UploadBackupJob.py

@@ -0,0 +1,39 @@
+# Copyright (c) 2018 Ultimaker B.V.
+import requests
+
+from UM.Job import Job
+from UM.Logger import Logger
+from UM.Message import Message
+
+from .Settings import Settings
+
+
+class UploadBackupJob(Job):
+    """
+    This job is responsible for uploading the backup file to cloud storage.
+    As it can take longer than some other tasks, we schedule this using a Cura Job.
+    """
+
+    def __init__(self, signed_upload_url: str, backup_zip: bytes) -> None:
+        super().__init__()
+        self._signed_upload_url = signed_upload_url
+        self._backup_zip = backup_zip
+        self._upload_success = False
+        self.backup_upload_error_message = ""
+
+    def run(self) -> None:
+        Message(Settings.translatable_messages["uploading_backup"], title = Settings.MESSAGE_TITLE,
+                lifetime = 10).show()
+
+        backup_upload = requests.put(self._signed_upload_url, data = self._backup_zip)
+        if backup_upload.status_code not in (200, 201):
+            self.backup_upload_error_message = backup_upload.text
+            Logger.log("w", "Could not upload backup file: %s", backup_upload.text)
+            Message(Settings.translatable_messages["uploading_backup_error"], title = Settings.MESSAGE_TITLE,
+                    lifetime = 10).show()
+        else:
+            self._upload_success = True
+            Message(Settings.translatable_messages["uploading_backup_success"], title = Settings.MESSAGE_TITLE,
+                    lifetime = 10).show()
+
+        self.finished.emit(self)

plugins/CuraDrive/src/models/BackupListModel.py

@@ -0,0 +1,38 @@
+# Copyright (c) 2018 Ultimaker B.V.
+from typing import Any, List, Dict
+
+from UM.Qt.ListModel import ListModel
+
+from PyQt5.QtCore import Qt
+
+
+class BackupListModel(ListModel):
+    """
+    The BackupListModel transforms the backups data that came from the server so it can be served to the Qt UI.
+    """
+
+    def __init__(self, parent = None) -> None:
+        super().__init__(parent)
+        self.addRoleName(Qt.UserRole + 1, "backup_id")
+        self.addRoleName(Qt.UserRole + 2, "download_url")
+        self.addRoleName(Qt.UserRole + 3, "generated_time")
+        self.addRoleName(Qt.UserRole + 4, "md5_hash")
+        self.addRoleName(Qt.UserRole + 5, "data")
+
+    def loadBackups(self, data: List[Dict[str, Any]]) -> None:
+        """
+        Populate the model with server data.
+        :param data:
+        """
+        items = []
+        for backup in data:
+            # We do this loop because we only want to append these specific fields.
+            # Without this, ListModel will break.
+            items.append({
+                "backup_id": backup["backup_id"],
+                "download_url": backup["download_url"],
+                "generated_time": backup["generated_time"],
+                "md5_hash": backup["md5_hash"],
+                "data": backup["metadata"]
+            })
+        self.setItems(items)

plugins/CuraDrive/src/qml/components/ActionButton.qml

@@ -0,0 +1,67 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.1 as UM
+
+Button
+{
+    id: button
+    property alias cursorShape: mouseArea.cursorShape
+    property var iconSource: ""
+    property var busy: false
+    property var color: UM.Theme.getColor("primary")
+    property var hoverColor: UM.Theme.getColor("primary_hover")
+    property var disabledColor: color
+    property var textColor: UM.Theme.getColor("button_text")
+    property var textHoverColor: UM.Theme.getColor("button_text_hover")
+    property var textDisabledColor: textColor
+    property var textFont: UM.Theme.getFont("action_button")
+
+    contentItem: RowLayout
+    {
+        Icon
+        {
+            id: buttonIcon
+            iconSource: button.iconSource
+            width: 16 * screenScaleFactor
+            color: button.hovered ? button.textHoverColor : button.textColor
+            visible: button.iconSource != "" && !loader.visible
+        }
+
+        Icon
+        {
+            id: loader
+            iconSource: "../images/loading.gif"
+            width: 16 * screenScaleFactor
+            color: button.hovered ? button.textHoverColor : button.textColor
+            visible: button.busy
+            animated: true
+        }
+
+        Label
+        {
+            id: buttonText
+            text: button.text
+            color: button.enabled ? (button.hovered ? button.textHoverColor : button.textColor): button.textDisabledColor
+            font: button.textFont
+            visible: button.text != ""
+            renderType: Text.NativeRendering
+        }
+    }
+
+    background: Rectangle
+    {
+        color: button.enabled ? (button.hovered ? button.hoverColor : button.color) : button.disabledColor
+    }
+
+    MouseArea
+    {
+        id: mouseArea
+        anchors.fill: parent
+        onPressed: mouse.accepted = false
+        hoverEnabled: true
+        cursorShape: button.enabled ? (hovered ? Qt.PointingHandCursor : Qt.ArrowCursor) : Qt.ForbiddenCursor
+    }
+}

plugins/CuraDrive/src/qml/components/ActionCheckBox.qml

@@ -0,0 +1,49 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.3 as UM
+
+CheckBox
+{
+    id: checkbox
+    hoverEnabled: true
+
+    property var label: ""
+
+    indicator: Rectangle {
+        implicitWidth: 30 * screenScaleFactor
+        implicitHeight: 30 * screenScaleFactor
+        x: 0
+        y: Math.round(parent.height / 2 - height / 2)
+        color: UM.Theme.getColor("sidebar")
+        border.color: UM.Theme.getColor("text")
+
+        Rectangle {
+            width: 14 * screenScaleFactor
+            height: 14 * screenScaleFactor
+            x: 8 * screenScaleFactor
+            y: 8 * screenScaleFactor
+            color: UM.Theme.getColor("primary")
+            visible: checkbox.checked
+        }
+    }
+
+    contentItem: Label {
+        anchors
+        {
+            left: checkbox.indicator.right
+            leftMargin: 5 * screenScaleFactor
+        }
+        text: catalog.i18nc("@checkbox:description", "Auto Backup")
+        color: UM.Theme.getColor("text")
+        renderType: Text.NativeRendering
+        verticalAlignment: Text.AlignVCenter
+    }
+
+    ActionToolTip
+    {
+        text: checkbox.label
+    }
+}

plugins/CuraDrive/src/qml/components/ActionToolTip.qml

@@ -0,0 +1,29 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.1 as UM
+
+ToolTip
+{
+    id: tooltip
+    visible: parent.hovered
+    opacity: 0.9
+    delay: 500
+
+    background: Rectangle
+    {
+        color: UM.Theme.getColor("sidebar")
+        border.color: UM.Theme.getColor("primary")
+        border.width: 1 * screenScaleFactor
+    }
+
+    contentItem: Label
+    {
+        text: tooltip.text
+        color: UM.Theme.getColor("text")
+        font: UM.Theme.getFont("very_small")
+        renderType: Text.NativeRendering
+    }
+}

plugins/CuraDrive/src/qml/components/BackupList.qml

@@ -0,0 +1,31 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.1 as UM
+
+ListView
+{
+    id: backupList
+    width: parent.width
+    clip: true
+    delegate: Item
+    {
+        width: parent.width
+        height: childrenRect.height
+
+        BackupListItem
+        {
+            id: backupListItem
+            width: parent.width
+        }
+
+        Divider
+        {
+            width: parent.width
+            anchors.top: backupListItem.bottom
+        }
+    }
+    ScrollBar.vertical: RightSideScrollBar {}
+}

plugins/CuraDrive/src/qml/components/BackupListFooter.qml

@@ -0,0 +1,42 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.3 as UM
+
+import "../components"
+
+RowLayout
+{
+    id: backupListFooter
+    width: parent.width
+    property bool showInfoButton: false
+
+    ActionButton
+    {
+        id: infoButton
+        text: catalog.i18nc("@button", "Want more?")
+        iconSource: "../images/info.svg"
+        onClicked: Qt.openUrlExternally("https://goo.gl/forms/QACEP8pP3RV60QYG2")
+        visible: backupListFooter.showInfoButton
+    }
+
+    ActionButton
+    {
+        id: createBackupButton
+        text: catalog.i18nc("@button", "Backup Now")
+        iconSource: "../images/backup.svg"
+        enabled: !CuraDrive.isCreatingBackup && !CuraDrive.isRestoringBackup
+        onClicked: CuraDrive.createBackup()
+        busy: CuraDrive.isCreatingBackup
+    }
+
+    ActionCheckBox
+    {
+        id: autoBackupEnabled
+        checked: CuraDrive.autoBackupEnabled
+        onClicked: CuraDrive.toggleAutoBackup(autoBackupEnabled.checked)
+        label: catalog.i18nc("@checkbox:description", "Automatically create a backup each day that Cura is started.")
+    }
+}

plugins/CuraDrive/src/qml/components/BackupListItem.qml

@@ -0,0 +1,112 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.1
+
+import UM 1.1 as UM
+
+Item
+{
+    id: backupListItem
+    width: parent.width
+    height: showDetails ? dataRow.height + backupDetails.height : dataRow.height
+    property bool showDetails: false
+
+    // Backup details toggle animation.
+    Behavior on height
+    {
+        PropertyAnimation
+        {
+            duration: 70
+        }
+    }
+
+    RowLayout
+    {
+        id: dataRow
+        spacing: UM.Theme.getSize("default_margin").width * 2
+        width: parent.width
+        height: 50 * screenScaleFactor
+
+        ActionButton
+        {
+            color: "transparent"
+            hoverColor: "transparent"
+            textColor: UM.Theme.getColor("text")
+            textHoverColor: UM.Theme.getColor("primary")
+            iconSource: "../images/info.svg"
+            onClicked: backupListItem.showDetails = !backupListItem.showDetails
+        }
+
+        Label
+        {
+            text: new Date(model["generated_time"]).toLocaleString(UM.Preferences.getValue("general/language"))
+            color: UM.Theme.getColor("text")
+            elide: Text.ElideRight
+            Layout.minimumWidth: 100 * screenScaleFactor
+            Layout.maximumWidth: 500 * screenScaleFactor
+            Layout.fillWidth: true
+            renderType: Text.NativeRendering
+        }
+
+        Label
+        {
+            text: model["data"]["description"]
+            color: UM.Theme.getColor("text")
+            elide: Text.ElideRight
+            Layout.minimumWidth: 100 * screenScaleFactor
+            Layout.maximumWidth: 500 * screenScaleFactor
+            Layout.fillWidth: true
+            renderType: Text.NativeRendering
+        }
+
+        ActionButton
+        {
+            text: catalog.i18nc("@button", "Restore")
+            color: "transparent"
+            hoverColor: "transparent"
+            textColor: UM.Theme.getColor("text")
+            textHoverColor: UM.Theme.getColor("text_link")
+            enabled: !CuraDrive.isCreatingBackup && !CuraDrive.isRestoringBackup
+            onClicked: confirmRestoreDialog.visible = true
+        }
+
+        ActionButton
+        {
+            color: "transparent"
+            hoverColor: "transparent"
+            textColor: UM.Theme.getColor("setting_validation_error")
+            textHoverColor: UM.Theme.getColor("setting_validation_error")
+            iconSource: "../images/delete.svg"
+            onClicked: confirmDeleteDialog.visible = true
+        }
+    }
+
+    BackupListItemDetails
+    {
+        id: backupDetails
+        backupDetailsData: model
+        width: parent.width
+        visible: parent.showDetails
+        anchors.top: dataRow.bottom
+    }
+
+    MessageDialog
+    {
+        id: confirmDeleteDialog
+        title: catalog.i18nc("@dialog:title", "Delete Backup")
+        text: catalog.i18nc("@dialog:info", "Are you sure you want to delete this backup? This cannot be undone.")
+        standardButtons: StandardButton.Yes | StandardButton.No
+        onYes: CuraDrive.deleteBackup(model["backup_id"])
+    }
+
+    MessageDialog
+    {
+        id: confirmRestoreDialog
+        title: catalog.i18nc("@dialog:title", "Restore Backup")
+        text: catalog.i18nc("@dialog:info", "You will need to restart Cura before your backup is restored. Do you want to close Cura now?")
+        standardButtons: StandardButton.Yes | StandardButton.No
+        onYes: CuraDrive.restoreBackup(model["backup_id"])
+    }
+}

plugins/CuraDrive/src/qml/components/BackupListItemDetails.qml

@@ -0,0 +1,61 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.1 as UM
+
+ColumnLayout
+{
+    id: backupDetails
+    width: parent.width
+    spacing: 10 * screenScaleFactor
+    property var backupDetailsData
+
+    // Cura version
+    BackupListItemDetailsRow
+    {
+        iconSource: "../images/cura.svg"
+        label: catalog.i18nc("@backuplist:label", "Cura Version")
+        value: backupDetailsData["data"]["cura_release"]
+    }
+
+    // Machine count.
+    BackupListItemDetailsRow
+    {
+        iconSource: "../images/printer.svg"
+        label: catalog.i18nc("@backuplist:label", "Machines")
+        value: backupDetailsData["data"]["machine_count"]
+    }
+
+    // Meterial count.
+    BackupListItemDetailsRow
+    {
+        iconSource: "../images/material.svg"
+        label: catalog.i18nc("@backuplist:label", "Materials")
+        value: backupDetailsData["data"]["material_count"]
+    }
+
+    // Meterial count.
+    BackupListItemDetailsRow
+    {
+        iconSource: "../images/profile.svg"
+        label: catalog.i18nc("@backuplist:label", "Profiles")
+        value: backupDetailsData["data"]["profile_count"]
+    }
+
+    // Meterial count.
+    BackupListItemDetailsRow
+    {
+        iconSource: "../images/plugin.svg"
+        label: catalog.i18nc("@backuplist:label", "Plugins")
+        value: backupDetailsData["data"]["plugin_count"]
+    }
+
+    // Spacer.
+    Item
+    {
+        width: parent.width
+        height: 10 * screenScaleFactor
+    }
+}

plugins/CuraDrive/src/qml/components/BackupListItemDetailsRow.qml

@@ -0,0 +1,52 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.3 as UM
+
+RowLayout
+{
+    id: detailsRow
+    width: parent.width
+    height: 40 * screenScaleFactor
+
+    property var iconSource
+    property var label
+    property var value
+
+    // Spacing.
+    Item
+    {
+        width: 40 * screenScaleFactor
+    }
+
+    Icon
+    {
+        width: 18 * screenScaleFactor
+        iconSource: detailsRow.iconSource
+        color: UM.Theme.getColor("text")
+    }
+
+    Label
+    {
+        text: detailsRow.label
+        color: UM.Theme.getColor("text")
+        elide: Text.ElideRight
+        Layout.minimumWidth: 50 * screenScaleFactor
+        Layout.maximumWidth: 100 * screenScaleFactor
+        Layout.fillWidth: true
+        renderType: Text.NativeRendering
+    }
+
+    Label
+    {
+        text: detailsRow.value
+        color: UM.Theme.getColor("text")
+        elide: Text.ElideRight
+        Layout.minimumWidth: 50 * screenScaleFactor
+        Layout.maximumWidth: 100 * screenScaleFactor
+        Layout.fillWidth: true
+        renderType: Text.NativeRendering
+    }
+}

plugins/CuraDrive/src/qml/components/Divider.qml

@@ -0,0 +1,11 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+
+import UM 1.3 as UM
+
+Rectangle
+{
+    id: divider
+    color: UM.Theme.getColor("lining")
+    height: UM.Theme.getSize("default_lining").height
+}

plugins/CuraDrive/src/qml/components/Icon.qml

@@ -0,0 +1,56 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtGraphicalEffects 1.0
+
+Item
+{
+    id: icon
+    width: parent.height
+    height: width
+    property var color: "transparent"
+    property var iconSource
+    property bool animated: false
+
+    Image
+    {
+        id: iconImage
+        width: parent.height
+        height: width
+        smooth: true
+        source: icon.iconSource
+        sourceSize.width: width
+        sourceSize.height: height
+        antialiasing: true
+        visible: !icon.animated
+    }
+
+    AnimatedImage
+    {
+        id: animatedIconImage
+        width: parent.height
+        height: width
+        smooth: true
+        antialiasing: true
+        source: "../images/loading.gif"
+        visible: icon.animated
+    }
+
+    ColorOverlay
+    {
+        anchors.fill: iconImage
+        source: iconImage
+        color: icon.color
+        antialiasing: true
+        visible: !icon.animated
+    }
+
+    ColorOverlay
+    {
+        anchors.fill: animatedIconImage
+        source: animatedIconImage
+        color: icon.color
+        antialiasing: true
+        visible: icon.animated
+    }
+}

plugins/CuraDrive/src/qml/components/RightSideScrollBar.qml

@@ -0,0 +1,13 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+ScrollBar
+{
+    active: true
+    size: parent.height
+    anchors.top: parent.top
+    anchors.right: parent.right
+    anchors.bottom: parent.bottom
+}

plugins/CuraDrive/src/qml/images/background.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg width="1024px" height="1183px" viewBox="0 0 1024 1183" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <!-- Generator: Sketch 39.1 (31720) - http://www.bohemiancoding.com/sketch -->
+    <title>Polygon 18</title>
+    <desc>Created with Sketch.</desc>
+    <defs></defs>
+    <g id="Home" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" fill-opacity="0.2">
+        <g id="1440px-home" transform="translate(-86.000000, -30.000000)" fill="#D1D9DB">
+            <polygon id="Polygon-18" points="598 30 1110 325.603338 1110 916.810013 598 1212.41335 86 916.810013 86 325.603338"></polygon>
+        </g>
+    </g>
+</svg>

plugins/CuraDrive/src/qml/images/backup.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="white">
+    <path d="M16.5 11.3h-5.2v5.2H8.7v-5.2H3.5V8.7h5.2V3.5h2.6v5.2h5.2z"/>
+</svg>

plugins/CuraDrive/src/qml/images/cura.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30">
+    <switch>
+        <g>
+            <path d="M11.07 3L3 11.071V27h15.931L27 18.93V3H11.07zm10.175 8.235h-6.071c-2.02.013-3.016 1.414-3.016 3.115 0 1.702.996 3.125 3.016 3.136h6.071v3.433h-6.071c-3.996 0-6.419-2.743-6.419-6.568 0-3.826 2.423-6.548 6.419-6.548h6.071v3.432z"/>
+        </g>
+    </switch>
+</svg>

plugins/CuraDrive/src/qml/images/delete.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 13 13" fill="red">
+    <switch>
+        <g>
+            <path d="M13 2.23L8.73 6.5 13 10.77l-2.135 2.134-4.269-4.269-4.27 4.269L.191 10.77l4.27-4.27-4.27-4.27L2.326.096l4.27 4.269L10.865.096z"/>
+        </g>
+    </switch>
+</svg>

plugins/CuraDrive/src/qml/images/folder.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30">
+    <switch>
+        <g>
+            <path d="M21.718 10.969V7.758H8.451L7.014 5.222h-5.83v19.436h21.211l6.422-13.69-7.099.001zm-1.098 0H8.958L3.043 23.56h-.761V6.321h4.056l1.437 2.535H20.62v2.113z"/>
+        </g>
+    </switch>
+</svg>

plugins/CuraDrive/src/qml/images/home.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10" fill="white">
+  <path d="m 8.5727081,5.62578 v 2.97725 q 0,0.16127 -0.1178498,0.27912 Q 8.3370085,9 8.1757405,9 H 5.7939349 V 6.61819 H 4.2060646 V 9 H 1.824259 Q 1.6629909,9 1.5451412,8.88215 1.4272914,8.7643 1.4272914,8.60303 V 5.62578 q 0,-0.006 0.0031,-0.0186 0.0031,-0.0124 0.0031,-0.0186 L 4.9999998,2.64852 8.5665054,5.58856 q 0.0062,0.0124 0.0062,0.0372 z M 9.955892,5.19779 9.5713297,5.65679 q -0.049621,0.0558 -0.130255,0.0682 h -0.018608 q -0.080634,0 -0.130255,-0.0434 L 4.9999998,2.10269 0.70778771,5.6816 Q 0.63335631,5.7312 0.55892486,5.725 0.47829087,5.7126 0.42866987,5.6568 L 0.04410752,5.1978 Q -0.00551343,5.1358 6.8917799e-4,5.05204 0.00689178,4.96834 0.06891799,4.91869 L 4.5286008,1.20331 q 0.1984838,-0.16127 0.471399,-0.16127 0.2729153,0 0.471399,0.16127 L 6.9848377,2.46864 V 1.25913 q 0,-0.0868 0.055824,-0.14266 0.055824,-0.0558 0.1426602,-0.0558 h 1.1909028 q 0.086837,0 0.1426602,0.0558 0.055824,0.0558 0.055824,0.14266 V 3.7898 l 1.3583734,1.12888 q 0.062026,0.0496 0.068229,0.13335 0.0062,0.0837 -0.043418,0.14576 z" />
+</svg>

plugins/CuraDrive/src/qml/images/info.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="15" height="15" viewBox="0 0 15 15" xmlns="http://www.w3.org/2000/svg">
+    <path d="M7.5 15C11.641 15 15 11.643 15 7.5 15 3.358 11.641 0 7.5 0 3.358 0 0 3.358 0 7.5 0 11.643 3.358 15 7.5 15ZM8.6 12.369L6.472 12.369 6.472 4.57 8.6 4.57 8.6 12.369ZM7.541 1.514C8.313 1.514 8.697 1.861 8.697 2.553 8.697 2.885 8.6 3.141 8.409 3.325 8.216 3.509 7.926 3.601 7.541 3.601 6.767 3.601 6.382 3.252 6.382 2.553 6.382 1.861 6.767 1.514 7.541 1.514Z"/>
+</svg>

plugins/CuraDrive/src/qml/images/material.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30">
+    <switch>
+        <g>
+            <path d="M2.995 1H5.67v24H2.995zm21.33 0H27v24h-2.675zM8.992 3.284c-.368 0-.669.224-.669.5v18.433c0 .276.3.5.669.5.369 0 .669-.224.669-.5V3.784c0-.276-.299-.5-.669-.5m4.003 0c-.368 0-.669.224-.669.5v18.433c0 .276.3.5.669.5.371 0 .669-.224.669-.5V3.784c0-.276-.298-.5-.669-.5m4.004 0c-.371 0-.669.224-.669.5v24.451c0 .277.298.5.669.5.368 0 .669-.223.669-.5V3.784c0-.276-.301-.5-.669-.5m4.003 0c-.368 0-.669.224-.669.5v18.433c0 .276.3.5.669.5.37 0 .669-.224.669-.5V3.784c-.001-.276-.3-.5-.669-.5"/>
+        </g>
+    </switch>
+</svg>

plugins/CuraDrive/src/qml/images/plugin.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30">
+    <switch>
+        <g>
+            <path d="M22.32 19.715l-6.96-6.96 6.96-6.958v4.541H27V3H10.999L3 11.001V27h15.998L27 19.001v-3.828h-4.68z"/>
+        </g>
+    </switch>
+</svg>

plugins/CuraDrive/src/qml/images/printer.svg

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="16px" height="16px" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <!-- Generator: Sketch 49 (51002) - http://www.bohemiancoding.com/sketch -->
+    <title>icn_singlePrinter</title>
+    <desc>Created with Sketch.</desc>
+    <defs></defs>
+    <g id="Visual" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <g id="Printer-status-icon" transform="translate(-217.000000, -176.000000)" fill="#000000">
+            <g id="icn_singlePrinter" transform="translate(217.000000, 176.000000)">
+                <path d="M2,13 L14,13 L14,15 L2,15 L2,13 L2,13 Z M2,3 L14,3 L14,5 L2,5 L2,3 L2,3 Z M0,14 L2,14 L2,16 L0,16 L0,14 L0,14 Z M14,14 L16,14 L16,16 L14,16 L14,14 L14,14 Z M0,0 L2,0 L2,14 L0,14 L0,0 L0,0 Z M14,0 L16,0 L16,14 L14,14 L14,0 L14,0 Z M6,5 L10,5 L10,6 L6,6 L6,5 L6,5 Z M7,6 L9,6 L9,8 L7,8 L7,6 L7,6 Z M2,0 L14,0 L14,2 L2,2 L2,0 L2,0 Z M3,12 L13,12 L13,13 L3,13 L3,12 L3,12 Z" id="Rectangle-185-Copy-5-Copy-4"></path>
+            </g>
+        </g>
+    </g>
+</svg>

plugins/CuraDrive/src/qml/images/profile.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 13 13">
+    <path d="M12.96 5.778c-.021-.182-.234-.32-.419-.32-.595 0-1.124-.35-1.346-.89a1.45 1.45 0 0 1 .364-1.608.361.361 0 0 0 .04-.49 6.43 6.43 0 0 0-1.03-1.04.362.362 0 0 0-.494.04c-.388.43-1.084.589-1.621.364A1.444 1.444 0 0 1 7.576.423a.36.36 0 0 0-.32-.38A6.485 6.485 0 0 0 5.795.04a.362.362 0 0 0-.321.372 1.447 1.447 0 0 1-.89 1.387c-.532.217-1.223.06-1.61-.366a.362.362 0 0 0-.49-.041A6.46 6.46 0 0 0 1.43 2.43a.362.362 0 0 0 .04.493 1.44 1.44 0 0 1 .363 1.622c-.225.534-.78.879-1.415.879a.354.354 0 0 0-.375.319A6.51 6.51 0 0 0 .04 7.222c.02.183.24.32.426.32a1.426 1.426 0 0 1 1.338.89c.227.554.08 1.2-.364 1.608a.36.36 0 0 0-.04.49c.303.384.65.734 1.029 1.04.149.12.365.103.495-.04.389-.43 1.084-.589 1.62-.364.561.235.914.802.88 1.41a.36.36 0 0 0 .318.38 6.44 6.44 0 0 0 1.463.005.362.362 0 0 0 .322-.373 1.445 1.445 0 0 1 .889-1.386c.535-.218 1.223-.058 1.61.366.128.14.34.157.49.041a6.476 6.476 0 0 0 1.052-1.04.361.361 0 0 0-.039-.493 1.44 1.44 0 0 1-.364-1.622c.22-.527.755-.88 1.33-.88l.08.001a.362.362 0 0 0 .38-.319c.058-.488.058-.985.003-1.478zM6.51 8.682a2.17 2.17 0 0 1-2.168-2.168A2.17 2.17 0 0 1 6.51 4.346a2.17 2.17 0 0 1 2.168 2.168A2.17 2.17 0 0 1 6.51 8.682z"/>
+</svg>

plugins/CuraDrive/src/qml/images/restore.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 250 250">
+    <switch>
+        <g>
+            <path d="M-.113 31.935c8.904 4.904 17.81 9.802 26.709 14.714 2.507 1.384 4.993 2.807 7.868 4.426C57.24 23.782 85.983 7.847 121.495 5.371c27.659-1.928 53.113 5.077 76.006 20.788 44.611 30.614 63.473 86.919 46.099 137.829-17.883 52.399-66.749 82.265-113.69 81.745v-36.688c25.195-1.141 46.785-10.612 63.364-30.267 11.82-14.013 18.14-30.322 19.349-48.541 2.323-34.992-19.005-68.519-51.909-81.916-32.223-13.12-70.379-4.319-93 22.01l31.263 18.198c-1.545 1.07-2.387 1.747-3.312 2.281a81656.22 81656.22 0 0 1-92.099 53.112c-1.128.65-2.448.967-3.679 1.439V31.935z"/>
+        </g>
+    </switch>
+</svg>

plugins/CuraDrive/src/qml/main.qml

@@ -0,0 +1,42 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Window 2.2
+
+import UM 1.3 as UM
+import Cura 1.1 as Cura
+
+import "components"
+import "pages"
+
+Window
+{
+    id: curaDriveDialog
+    minimumWidth: Math.round(UM.Theme.getSize("modal_window_minimum").width)
+    minimumHeight: Math.round(UM.Theme.getSize("modal_window_minimum").height)
+    maximumWidth: minimumWidth * 1.2
+    maximumHeight: minimumHeight * 1.2
+    width: minimumWidth
+    height: minimumHeight
+    color: UM.Theme.getColor("sidebar")
+    title: catalog.i18nc("@title:window", "Cura Backups")
+
+    // Globally available.
+    UM.I18nCatalog
+    {
+        id: catalog
+        name: "cura_drive"
+    }
+
+    WelcomePage
+    {
+        id: welcomePage
+        visible: !Cura.API.account.isLoggedIn
+    }
+
+    BackupsPage
+    {
+        id: backupsPage
+        visible: Cura.API.account.isLoggedIn
+    }
+}

plugins/CuraDrive/src/qml/pages/BackupsPage.qml

@@ -0,0 +1,73 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
+
+import UM 1.3 as UM
+import Cura 1.1 as Cura
+
+import "../components"
+
+Item
+{
+    id: backupsPage
+    anchors.fill: parent
+    anchors.margins: UM.Theme.getSize("default_margin").width * 3
+
+    ColumnLayout
+    {
+        spacing: UM.Theme.getSize("default_margin").height * 2
+        width: parent.width
+        anchors.fill: parent
+
+        Label
+        {
+            id: backupTitle
+            text: catalog.i18nc("@title", "My Backups")
+            font: UM.Theme.getFont("large")
+            color: UM.Theme.getColor("text")
+            Layout.fillWidth: true
+            renderType: Text.NativeRendering
+        }
+
+        Label
+        {
+            text: catalog.i18nc("@empty_state",
+                "You don't have any backups currently. Use the 'Backup Now' button to create one.")
+            width: parent.width
+            font: UM.Theme.getFont("default")
+            color: UM.Theme.getColor("text")
+            wrapMode: Label.WordWrap
+            visible: backupList.count == 0
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            renderType: Text.NativeRendering
+        }
+
+        BackupList
+        {
+            id: backupList
+            model: CuraDrive.backups
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+        }
+
+        Label
+        {
+            text: catalog.i18nc("@backup_limit_info",
+                "During the preview phase, you'll be limited to 5 visible backups. Remove a backup to see older ones.")
+            width: parent.width
+            font: UM.Theme.getFont("default")
+            color: UM.Theme.getColor("text")
+            wrapMode: Label.WordWrap
+            visible: backupList.count > 4
+            renderType: Text.NativeRendering
+        }
+
+        BackupListFooter
+        {
+            id: backupListFooter
+            showInfoButton: backupList.count > 4
+        }
+    }
+}

plugins/CuraDrive/src/qml/pages/WelcomePage.qml

@@ -0,0 +1,48 @@
+// Copyright (c) 2018 Ultimaker B.V.
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Window 2.2
+
+import UM 1.3 as UM
+import Cura 1.1 as Cura
+
+import "../components"
+
+Column
+{
+    id: welcomePage
+    spacing: UM.Theme.getSize("wide_margin").height
+    width: parent.width
+    topPadding: 150 * screenScaleFactor
+
+    Image
+    {
+        id: profileImage
+        fillMode: Image.PreserveAspectFit
+        source: "../images/icon.png"
+        anchors.horizontalCenter: parent.horizontalCenter
+        width: Math.round(parent.width / 4)
+    }
+
+    Label
+    {
+        id: welcomeTextLabel
+        text: catalog.i18nc("@description", "Backup and synchronize your Cura settings.")
+        width: Math.round(parent.width / 2)
+        font: UM.Theme.getFont("default")
+        color: UM.Theme.getColor("text")
+        verticalAlignment: Text.AlignVCenter
+        horizontalAlignment: Text.AlignHCenter
+        anchors.horizontalCenter: parent.horizontalCenter
+        wrapMode: Label.WordWrap
+        renderType: Text.NativeRendering
+    }
+
+    ActionButton
+    {
+        id: loginButton
+        onClicked: Cura.API.account.login()
+        text: catalog.i18nc("@button", "Sign In")
+        anchors.horizontalCenter: parent.horizontalCenter
+    }
+}

plugins/CuraEngineBackend/CuraEngineBackend.py

@@ -203,7 +203,7 @@ class CuraEngineBackend(QObject, Backend):
 
     @pyqtSlot()
     def stopSlicing(self) -> None:
-        self.backendStateChange.emit(BackendState.NotStarted)
+        self.setState(BackendState.NotStarted)
         if self._slicing:  # We were already slicing. Stop the old job.
             self._terminate()
             self._createSocket()
@@ -322,7 +322,7 @@ class CuraEngineBackend(QObject, Backend):
             self._start_slice_job = None
 
         if job.isCancelled() or job.getError() or job.getResult() == StartJobResult.Error:
-            self.backendStateChange.emit(BackendState.Error)
+            self.setState(BackendState.Error)
             self.backendError.emit(job)
             return
 
@@ -331,10 +331,10 @@ class CuraEngineBackend(QObject, Backend):
                 self._error_message = Message(catalog.i18nc("@info:status",
                                             "Unable to slice with the current material as it is incompatible with the selected machine or configuration."), title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
-                self.backendStateChange.emit(BackendState.Error)
+                self.setState(BackendState.Error)
                 self.backendError.emit(job)
             else:
-                self.backendStateChange.emit(BackendState.NotStarted)
+                self.setState(BackendState.NotStarted)
             return
 
         if job.getResult() == StartJobResult.SettingError:
@@ -362,10 +362,10 @@ class CuraEngineBackend(QObject, Backend):
                 self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice with the current settings. The following settings have errors: {0}").format(", ".join(error_labels)),
                                               title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
-                self.backendStateChange.emit(BackendState.Error)
+                self.setState(BackendState.Error)
                 self.backendError.emit(job)
             else:
-                self.backendStateChange.emit(BackendState.NotStarted)
+                self.setState(BackendState.NotStarted)
             return
 
         elif job.getResult() == StartJobResult.ObjectSettingError:
@@ -386,7 +386,7 @@ class CuraEngineBackend(QObject, Backend):
             self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice due to some per-model settings. The following settings have errors on one or more models: {error_labels}").format(error_labels = ", ".join(errors.values())),
                                           title = catalog.i18nc("@info:title", "Unable to slice"))
             self._error_message.show()
-            self.backendStateChange.emit(BackendState.Error)
+            self.setState(BackendState.Error)
             self.backendError.emit(job)
             return
 
@@ -395,16 +395,16 @@ class CuraEngineBackend(QObject, Backend):
                 self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because the prime tower or prime position(s) are invalid."),
                                               title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
-                self.backendStateChange.emit(BackendState.Error)
+                self.setState(BackendState.Error)
                 self.backendError.emit(job)
             else:
-                self.backendStateChange.emit(BackendState.NotStarted)
+                self.setState(BackendState.NotStarted)
 
         if job.getResult() == StartJobResult.ObjectsWithDisabledExtruder:
             self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because there are objects associated with disabled Extruder %s." % job.getMessage()),
                                           title = catalog.i18nc("@info:title", "Unable to slice"))
             self._error_message.show()
-            self.backendStateChange.emit(BackendState.Error)
+            self.setState(BackendState.Error)
             self.backendError.emit(job)
             return
 
@@ -413,10 +413,10 @@ class CuraEngineBackend(QObject, Backend):
                 self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."),
                                               title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
-                self.backendStateChange.emit(BackendState.Error)
+                self.setState(BackendState.Error)
                 self.backendError.emit(job)
             else:
-                self.backendStateChange.emit(BackendState.NotStarted)
+                self.setState(BackendState.NotStarted)
             self._invokeSlice()
             return
 
@@ -424,7 +424,7 @@ class CuraEngineBackend(QObject, Backend):
         self._socket.sendMessage(job.getSliceMessage())
 
         # Notify the user that it's now up to the backend to do it's job
-        self.backendStateChange.emit(BackendState.Processing)
+        self.setState(BackendState.Processing)
 
         if self._slice_start_time:
             Logger.log("d", "Sending slice message took %s seconds", time() - self._slice_start_time )
@@ -442,7 +442,7 @@ class CuraEngineBackend(QObject, Backend):
         for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
             if node.callDecoration("isBlockSlicing"):
                 enable_timer = False
-                self.backendStateChange.emit(BackendState.Disabled)
+                self.setState(BackendState.Disabled)
                 self._is_disabled = True
             gcode_list = node.callDecoration("getGCodeList")
             if gcode_list is not None:
@@ -451,7 +451,7 @@ class CuraEngineBackend(QObject, Backend):
         if self._use_timer == enable_timer:
             return self._use_timer
         if enable_timer:
-            self.backendStateChange.emit(BackendState.NotStarted)
+            self.setState(BackendState.NotStarted)
             self.enableTimer()
             return True
         else:
@@ -518,7 +518,7 @@ class CuraEngineBackend(QObject, Backend):
                 self._build_plates_to_be_sliced.append(build_plate_number)
             self.printDurationMessage.emit(source_build_plate_number, {}, [])
         self.processingProgress.emit(0.0)
-        self.backendStateChange.emit(BackendState.NotStarted)
+        self.setState(BackendState.NotStarted)
         # if not self._use_timer:
             # With manually having to slice, we want to clear the old invalid layer data.
         self._clearLayerData(build_plate_changed)
@@ -567,7 +567,7 @@ class CuraEngineBackend(QObject, Backend):
         self.stopSlicing()
         self.markSliceAll()
         self.processingProgress.emit(0.0)
-        self.backendStateChange.emit(BackendState.NotStarted)
+        self.setState(BackendState.NotStarted)
         if not self._use_timer:
             # With manually having to slice, we want to clear the old invalid layer data.
             self._clearLayerData()
@@ -613,7 +613,7 @@ class CuraEngineBackend(QObject, Backend):
     #   \param message The protobuf message containing the slicing progress.
     def _onProgressMessage(self, message: Arcus.PythonMessage) -> None:
         self.processingProgress.emit(message.amount)
-        self.backendStateChange.emit(BackendState.Processing)
+        self.setState(BackendState.Processing)
 
     def _invokeSlice(self) -> None:
         if self._use_timer:
@@ -632,7 +632,7 @@ class CuraEngineBackend(QObject, Backend):
     #
     #   \param message The protobuf message signalling that slicing is finished.
     def _onSlicingFinishedMessage(self, message: Arcus.PythonMessage) -> None:
-        self.backendStateChange.emit(BackendState.Done)
+        self.setState(BackendState.Done)
         self.processingProgress.emit(1.0)
 
         gcode_list = self._scene.gcode_dict[self._start_slice_job_build_plate] #type: ignore #Because we generate this attribute dynamically.

plugins/PrepareStage/PrepareMenu.qml

@@ -100,7 +100,7 @@ Item
                     source: UM.Theme.getIcon("load")
                     width: UM.Theme.getSize("button_icon").width
                     height: UM.Theme.getSize("button_icon").height
-                    color: UM.Theme.getColor("toolbar_button_text")
+                    color: UM.Theme.getColor("icon")
 
                     sourceSize.height: height
                 }

plugins/PrepareStage/PrepareStage.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2017 Ultimaker B.V.
+# Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 import os.path
 from UM.Application import Application
@@ -15,9 +15,5 @@ class PrepareStage(CuraStage):
         Application.getInstance().engineCreatedSignal.connect(self._engineCreated)
 
     def _engineCreated(self):
-        sidebar_component_path = os.path.join(Resources.getPath(Application.getInstance().ResourceTypes.QmlFiles),
-                                              "PrepareSidebar.qml")
-
         menu_component_path = os.path.join(PluginRegistry.getInstance().getPluginPath("PrepareStage"), "PrepareMenu.qml")
         self.addDisplayComponent("menu", menu_component_path)
-        self.addDisplayComponent("sidebar", sidebar_component_path)

plugins/PreviewStage/PreviewMenu.qml

@@ -2,6 +2,7 @@
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.7
+import QtQuick.Layouts 1.1
 import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
@@ -19,12 +20,15 @@ Item
         name: "cura"
     }
 
-
     Row
     {
         id: stageMenuRow
         anchors.centerIn: parent
         height: parent.height
+        width: childrenRect.width
+
+        // We want this row to have a preferred with equals to the 85% of the parent
+        property int preferredWidth: Math.round(0.85 * previewMenu.width)
 
         Cura.ViewsSelector
         {
@@ -45,11 +49,12 @@ Item
             color: UM.Theme.getColor("lining")
         }
 
+        // This component will grow freely up to complete the preferredWidth of the row.
         Loader
         {
             id: viewPanel
             height: parent.height
-            width: childrenRect.width
+            width: source != "" ? (stageMenuRow.preferredWidth - viewsSelector.width - printSetupSelectorItem.width - 2 * UM.Theme.getSize("default_lining").width) : 0
             source: UM.Controller.activeView != null && UM.Controller.activeView.stageMenuComponent != null ? UM.Controller.activeView.stageMenuComponent : ""
         }
 

plugins/SimulationView/SimulationViewMenuComponent.qml

@@ -15,7 +15,6 @@ Cura.ExpandableComponent
 {
     id: base
 
-    width: UM.Theme.getSize("layerview_menu_size").width
     contentHeaderTitle: catalog.i18nc("@label", "Color scheme")
 
     Connections
@@ -35,14 +34,36 @@ Cura.ExpandableComponent
         }
     }
 
-    headerItem: Label
+    headerItem: Item
     {
-        id: layerViewTypesLabel
+        Label
+        {
+            id: colorSchemeLabel
             text: catalog.i18nc("@label", "Color scheme")
-        font: UM.Theme.getFont("default")
-        color: UM.Theme.getColor("setting_control_text")
-        height: base.height
             verticalAlignment: Text.AlignVCenter
+            height: parent.height
+            elide: Text.ElideRight
+            font: UM.Theme.getFont("default")
+            color: UM.Theme.getColor("text_medium")
+            renderType: Text.NativeRendering
+        }
+
+        Label
+        {
+            text: layerTypeCombobox.currentText
+            verticalAlignment: Text.AlignVCenter
+            anchors
+            {
+                left: colorSchemeLabel.right
+                leftMargin: UM.Theme.getSize("default_margin").width
+                right: parent.right
+            }
+            height: parent.height
+            elide: Text.ElideRight
+            font: UM.Theme.getFont("default")
+            color: UM.Theme.getColor("text")
+            renderType: Text.NativeRendering
+        }
     }
 
     contentItem: Column
@@ -136,7 +157,7 @@ Cura.ExpandableComponent
 
         Item  // Spacer
         {
-            height: Math.round(UM.Theme.getSize("default_margin").width / 2)
+            height: UM.Theme.getSize("narrow_margin").width
             width: width
         }
 
@@ -161,17 +182,16 @@ Cura.ExpandableComponent
 
                 style: UM.Theme.styles.checkbox
 
-                Rectangle
+
+                UM.RecolorImage
                 {
+                    id: swatch
                     anchors.verticalCenter: parent.verticalCenter
                     anchors.right: extrudersModelCheckBox.right
                     width: UM.Theme.getSize("layerview_legend_size").width
                     height: UM.Theme.getSize("layerview_legend_size").height
+                    source: UM.Theme.getIcon("extruder_button")
                     color: model.color
-                    radius: Math.round(width / 2)
-                    border.width: UM.Theme.getSize("default_lining").width
-                    border.color: UM.Theme.getColor("lining")
-                    visible: !viewSettings.show_legend && !viewSettings.show_gradient
                 }
 
                 Label
@@ -201,25 +221,25 @@ Cura.ExpandableComponent
                 Component.onCompleted:
                 {
                     typesLegendModel.append({
-                        label: catalog.i18nc("@label", "Show Travels"),
+                        label: catalog.i18nc("@label", "Travels"),
                         initialValue: viewSettings.show_travel_moves,
                         preference: "layerview/show_travel_moves",
                         colorId:  "layerview_move_combing"
                     });
                     typesLegendModel.append({
-                        label: catalog.i18nc("@label", "Show Helpers"),
+                        label: catalog.i18nc("@label", "Helpers"),
                         initialValue: viewSettings.show_helpers,
                         preference: "layerview/show_helpers",
                         colorId:  "layerview_support"
                     });
                     typesLegendModel.append({
-                        label: catalog.i18nc("@label", "Show Shell"),
+                        label: catalog.i18nc("@label", "Shell"),
                         initialValue: viewSettings.show_skin,
                         preference: "layerview/show_skin",
                         colorId:  "layerview_inset_0"
                     });
                     typesLegendModel.append({
-                        label: catalog.i18nc("@label", "Show Infill"),
+                        label: catalog.i18nc("@label", "Infill"),
                         initialValue: viewSettings.show_infill,
                         preference: "layerview/show_infill",
                         colorId:  "layerview_infill"

plugins/Toolbox/resources/qml/Toolbox.qml

@@ -14,8 +14,8 @@ Window
     modality: Qt.ApplicationModal
     flags: Qt.Dialog | Qt.CustomizeWindowHint | Qt.WindowTitleHint | Qt.WindowCloseButtonHint
 
-    width: 720 * screenScaleFactor
-    height: 640 * screenScaleFactor
+    width: Math.floor(720 * screenScaleFactor)
+    height: Math.floor(640 * screenScaleFactor)
     minimumWidth: width
     maximumWidth: minimumWidth
     minimumHeight: height
@@ -95,6 +95,7 @@ Window
                 licenseDialog.show();
             }
         }
+        
         ToolboxLicenseDialog
         {
             id: licenseDialog

plugins/Toolbox/resources/qml/ToolboxAuthorPage.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.3
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
@@ -59,6 +59,7 @@ Item
             wrapMode: Text.WordWrap
             width: parent.width
             height: UM.Theme.getSize("toolbox_property_label").height
+            renderType: Text.NativeRendering
         }
         Label
         {
@@ -70,6 +71,7 @@ Item
                 left: title.left
                 topMargin: UM.Theme.getSize("default_margin").height
             }
+            renderType: Text.NativeRendering
         }
         Column
         {
@@ -88,12 +90,14 @@ Item
                 text: catalog.i18nc("@label", "Website") + ":"
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text_medium")
+                renderType: Text.NativeRendering
             }
             Label
             {
                 text: catalog.i18nc("@label", "Email") + ":"
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text_medium")
+                renderType: Text.NativeRendering
             }
         }
         Column
@@ -122,6 +126,7 @@ Item
                 color: UM.Theme.getColor("text")
                 linkColor: UM.Theme.getColor("text_link")
                 onLinkActivated: Qt.openUrlExternally(link)
+                renderType: Text.NativeRendering
             }
 
             Label
@@ -138,6 +143,7 @@ Item
                 color: UM.Theme.getColor("text")
                 linkColor: UM.Theme.getColor("text_link")
                 onLinkActivated: Qt.openUrlExternally(link)
+                renderType: Text.NativeRendering
             }
         }
         Rectangle

plugins/Toolbox/resources/qml/ToolboxBackColumn.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.2
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
@@ -64,6 +64,7 @@ Item
                 font: UM.Theme.getFont("default_bold")
                 horizontalAlignment: Text.AlignRight
                 width: control.width
+                renderType: Text.NativeRendering
             }
         }
     }

plugins/Toolbox/resources/qml/ToolboxCompatibilityChart.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
@@ -67,6 +67,7 @@ Item
             wrapMode: Text.WordWrap
             color: UM.Theme.getColor("text_medium")
             font: UM.Theme.getFont("medium")
+            renderType: Text.NativeRendering
         }
 
         TableView
@@ -99,6 +100,7 @@ Item
                     text: styleData.value || ""
                     color: UM.Theme.getColor("text")
                     font: UM.Theme.getFont("default_bold")
+                    renderType: Text.NativeRendering
                 }
                 Rectangle
                 {
@@ -118,6 +120,7 @@ Item
                     text: styleData.value || ""
                     color: UM.Theme.getColor("text_medium")
                     font: UM.Theme.getFont("default")
+                    renderType: Text.NativeRendering
                 }
             }
             itemDelegate: Item
@@ -130,6 +133,7 @@ Item
                     text: styleData.value || ""
                     color: UM.Theme.getColor("text_medium")
                     font: UM.Theme.getFont("default")
+                    renderType: Text.NativeRendering
                 }
             }
 
@@ -144,6 +148,7 @@ Item
                     elide: Text.ElideRight
                     color: UM.Theme.getColor("text_medium")
                     font: UM.Theme.getFont("default")
+                    renderType: Text.NativeRendering
                 }
             }
 
@@ -232,5 +237,6 @@ Item
         color: UM.Theme.getColor("text")
         linkColor: UM.Theme.getColor("text_link")
         onLinkActivated: Qt.openUrlExternally(link)
+        renderType: Text.NativeRendering
     }
 }

plugins/Toolbox/resources/qml/ToolboxConfirmUninstallResetDialog.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.2
+import QtQuick 2.10
 import QtQuick.Controls 1.1
 import QtQuick.Controls.Styles 1.1
 import QtQuick.Layouts 1.1
@@ -66,6 +66,7 @@ UM.Dialog
             anchors.right: parent.right
             font: UM.Theme.getFont("default")
             wrapMode: Text.WordWrap
+            renderType: Text.NativeRendering
         }
 
         // Buttons

plugins/Toolbox/resources/qml/ToolboxDetailList.qml

@@ -26,10 +26,19 @@ Item
             }
             height: childrenRect.height + 2 * UM.Theme.getSize("wide_margin").height
             spacing: UM.Theme.getSize("default_margin").height
+
             Repeater
             {
                 model: toolbox.packagesModel
-                delegate: ToolboxDetailTile {}
+                delegate: Loader
+                {
+                    // FIXME: When using asynchronous loading, on Mac and Windows, the tile may fail to load complete,
+                    // leaving an empty space below the title part. We turn it off for now to make it work on Mac and
+                    // Windows.
+                    // Can be related to this QT bug: https://bugreports.qt.io/browse/QTBUG-50992
+                    asynchronous: false
+                    source: "ToolboxDetailTile.qml"
+                }
             }
         }
     }

plugins/Toolbox/resources/qml/ToolboxDetailPage.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.3
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
@@ -65,6 +65,7 @@ Item
             wrapMode: Text.WordWrap
             width: parent.width
             height: UM.Theme.getSize("toolbox_property_label").height
+            renderType: Text.NativeRendering
         }
 
         Column
@@ -84,24 +85,28 @@ Item
                 text: catalog.i18nc("@label", "Version") + ":"
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text_medium")
+                renderType: Text.NativeRendering
             }
             Label
             {
                 text: catalog.i18nc("@label", "Last updated") + ":"
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text_medium")
+                renderType: Text.NativeRendering
             }
             Label
             {
                 text: catalog.i18nc("@label", "Author") + ":"
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text_medium")
+                renderType: Text.NativeRendering
             }
             Label
             {
                 text: catalog.i18nc("@label", "Downloads") + ":"
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text_medium")
+                renderType: Text.NativeRendering
             }
         }
         Column
@@ -121,6 +126,7 @@ Item
                 text: details === null ? "" : (details.version || catalog.i18nc("@label", "Unknown"))
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text")
+                renderType: Text.NativeRendering
             }
             Label
             {
@@ -135,6 +141,7 @@ Item
                 }
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text")
+                renderType: Text.NativeRendering
             }
             Label
             {
@@ -153,12 +160,14 @@ Item
                 color: UM.Theme.getColor("text")
                 linkColor: UM.Theme.getColor("text_link")
                 onLinkActivated: Qt.openUrlExternally(link)
+                renderType: Text.NativeRendering
             }
             Label
             {
                 text: details === null ? "" : (details.download_count || catalog.i18nc("@label", "Unknown"))
                 font: UM.Theme.getFont("default")
                 color: UM.Theme.getColor("text")
+                renderType: Text.NativeRendering
             }
         }
         Rectangle

plugins/Toolbox/resources/qml/ToolboxDetailTile.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
@@ -31,6 +31,7 @@ Item
             wrapMode: Text.WordWrap
             color: UM.Theme.getColor("text")
             font: UM.Theme.getFont("medium_bold")
+            renderType: Text.NativeRendering
         }
         Label
         {
@@ -42,6 +43,7 @@ Item
             wrapMode: Text.WordWrap
             color: UM.Theme.getColor("text")
             font: UM.Theme.getFont("default")
+            renderType: Text.NativeRendering
         }
     }
 

plugins/Toolbox/resources/qml/ToolboxDetailTileActions.qml

@@ -1,40 +1,69 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
+import Cura 1.1 as Cura
 
 Column
 {
     property bool installed: toolbox.isInstalled(model.id)
     property bool canUpdate: toolbox.canUpdate(model.id)
+    property bool loginRequired: model.login_required && !Cura.API.account.isLoggedIn
+
     width: UM.Theme.getSize("toolbox_action_button").width
     spacing: UM.Theme.getSize("narrow_margin").height
 
+    Item
+    {
+        width: installButton.width
+        height: installButton.height
         ToolboxProgressButton
         {
             id: installButton
             active: toolbox.isDownloading && toolbox.activePackage == model
-        complete: installed
-        readyAction: function()
+            onReadyAction:
             {
                 toolbox.activePackage = model
                 toolbox.startDownload(model.download_url)
             }
-        activeAction: function()
-        {
-            toolbox.cancelDownload()
-        }
-        completeAction: function()
-        {
-            toolbox.viewCategory = "installed"
-        }
+            onActiveAction: toolbox.cancelDownload()
+
             // Don't allow installing while another download is running
-        enabled: installed || !(toolbox.isDownloading && toolbox.activePackage != model)
+            enabled: installed || (!(toolbox.isDownloading && toolbox.activePackage != model) && !loginRequired)
             opacity: enabled ? 1.0 : 0.5
-        visible: !updateButton.visible // Don't show when the update button is visible
+            visible: !updateButton.visible && !installed// Don't show when the update button is visible
+        }
+
+        Cura.SecondaryButton
+        {
+            visible: installed
+            onClicked: toolbox.viewCategory = "installed"
+            text: catalog.i18nc("@action:button", "Installed")
+            fixedWidthMode: true
+            width: installButton.width
+            height: installButton.height
+        }
+    }
+
+    Label
+    {
+        wrapMode: Text.WordWrap
+        text: catalog.i18nc("@label:The string between <a href=> and </a> is the highlighted link", "<a href='%1'>Log in</a> is required to install or update")
+        font: UM.Theme.getFont("default")
+        color: UM.Theme.getColor("text")
+        linkColor: UM.Theme.getColor("text_link")
+        visible: loginRequired
+        width: installButton.width
+        renderType: Text.NativeRendering
+
+        MouseArea
+        {
+            anchors.fill: parent
+            onClicked: Cura.API.account.login()
+        }
     }
 
     ToolboxProgressButton
@@ -44,20 +73,19 @@ Column
         readyLabel: catalog.i18nc("@action:button", "Update")
         activeLabel: catalog.i18nc("@action:button", "Updating")
         completeLabel: catalog.i18nc("@action:button", "Updated")
-        readyAction: function()
+
+        onReadyAction:
         {
             toolbox.activePackage = model
             toolbox.update(model.id)
         }
-        activeAction: function()
-        {
-            toolbox.cancelDownload()
-        }
+        onActiveAction: toolbox.cancelDownload()
         // Don't allow installing while another download is running
-        enabled: !(toolbox.isDownloading && toolbox.activePackage != model)
+        enabled: !(toolbox.isDownloading && toolbox.activePackage != model) && !loginRequired
         opacity: enabled ? 1.0 : 0.5
         visible: canUpdate
     }
+
     Connections
     {
         target: toolbox

plugins/Toolbox/resources/qml/ToolboxDownloadsGrid.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import QtQuick.Layouts 1.3
@@ -23,8 +23,9 @@ Column
         width: parent.width
         color: UM.Theme.getColor("text_medium")
         font: UM.Theme.getFont("medium")
+        renderType: Text.NativeRendering
     }
-    GridLayout
+    Grid
     {
         id: grid
         width: parent.width - 2 * parent.padding
@@ -34,10 +35,12 @@ Column
         Repeater
         {
             model: gridArea.model
-            delegate: ToolboxDownloadsGridTile
+            delegate: Loader
             {
-                Layout.preferredWidth: (grid.width - (grid.columns - 1) * grid.columnSpacing) / grid.columns
-                Layout.preferredHeight: UM.Theme.getSize("toolbox_thumbnail_small").height
+                asynchronous: true
+                width: Math.round((grid.width - (grid.columns - 1) * grid.columnSpacing) / grid.columns)
+                height: UM.Theme.getSize("toolbox_thumbnail_small").height
+                source: "ToolboxDownloadsGridTile.qml"
             }
         }
     }

plugins/Toolbox/resources/qml/ToolboxDownloadsGridTile.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.3
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import QtQuick.Layouts 1.3
@@ -62,6 +62,8 @@ Item
         {
             width: parent.width - thumbnail.width - parent.spacing
             spacing: Math.floor(UM.Theme.getSize("narrow_margin").width)
+            anchors.top: parent.top
+            anchors.topMargin: UM.Theme.getSize("default_margin").height
             Label
             {
                 id: name
@@ -70,6 +72,7 @@ Item
                 wrapMode: Text.WordWrap
                 color: UM.Theme.getColor("text")
                 font: UM.Theme.getFont("default_bold")
+                renderType: Text.NativeRendering
             }
             Label
             {
@@ -81,6 +84,7 @@ Item
                 wrapMode: Text.WordWrap
                 color: UM.Theme.getColor("text_medium")
                 font: UM.Theme.getFont("default")
+                renderType: Text.NativeRendering
             }
         }
     }

plugins/Toolbox/resources/qml/ToolboxDownloadsShowcase.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
@@ -24,19 +24,19 @@ Rectangle
             width: parent.width
             color: UM.Theme.getColor("text_medium")
             font: UM.Theme.getFont("medium")
+            renderType: Text.NativeRendering
         }
         Grid
         {
             height: childrenRect.height
             spacing: UM.Theme.getSize("wide_margin").width
             columns: 3
-            anchors
-            {
-                horizontalCenter: parent.horizontalCenter
-            }
+            anchors.horizontalCenter: parent.horizontalCenter
+
             Repeater
             {
-                model: {
+                model:
+                {
                     if (toolbox.viewCategory == "plugin")
                     {
                         return toolbox.pluginsShowcaseModel
@@ -46,7 +46,11 @@ Rectangle
                         return toolbox.materialsShowcaseModel
                     }
                 }
-                delegate: ToolboxDownloadsShowcaseTile {}
+                delegate: Loader
+                {
+                    asynchronous: true
+                    source: "ToolboxDownloadsShowcaseTile.qml"
+                }
             }
         }
     }

plugins/Toolbox/resources/qml/ToolboxDownloadsShowcaseTile.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import QtGraphicalEffects 1.0
@@ -79,6 +79,7 @@ Rectangle
             wrapMode: Text.WordWrap
             color: UM.Theme.getColor("button_text")
             font: UM.Theme.getFont("medium_bold")
+            renderType: Text.NativeRendering
         }
     }
     MouseArea

plugins/Toolbox/resources/qml/ToolboxErrorPage.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 
@@ -18,5 +18,6 @@ Rectangle
         {
             centerIn: parent
         }
+        renderType: Text.NativeRendering
     }
 }

plugins/Toolbox/resources/qml/ToolboxFooter.qml

@@ -1,22 +1,24 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.2
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+
 import UM 1.1 as UM
+import Cura 1.0 as Cura
 
 Item
 {
     id: footer
     width: parent.width
     anchors.bottom: parent.bottom
-    height: visible ? Math.floor(UM.Theme.getSize("toolbox_footer").height) : 0
+    height: visible ? UM.Theme.getSize("toolbox_footer").height : 0
+
     Label
     {
         text: catalog.i18nc("@info", "You will need to restart Cura before changes in packages have effect.")
         color: UM.Theme.getColor("text")
-        height: Math.floor(UM.Theme.getSize("toolbox_footer_button").height)
+        height: UM.Theme.getSize("toolbox_footer_button").height
         verticalAlignment: Text.AlignVCenter
         anchors
         {
@@ -26,12 +28,12 @@ Item
             right: restartButton.right
             rightMargin: UM.Theme.getSize("default_margin").width
         }
-     
+        renderType: Text.NativeRendering
     }
-    Button
+
+    Cura.PrimaryButton
     {
         id: restartButton
-        text: catalog.i18nc("@info:button", "Quit Cura")
         anchors
         {
             top: parent.top
@@ -39,26 +41,11 @@ Item
             right: parent.right
             rightMargin: UM.Theme.getSize("wide_margin").width
         }
-        iconName: "dialog-restart"
+        height: UM.Theme.getSize("toolbox_footer_button").height
+        text: catalog.i18nc("@info:button", "Quit Cura")
         onClicked: toolbox.restart()
-        style: ButtonStyle
-        {
-            background: Rectangle
-            {
-                implicitWidth: UM.Theme.getSize("toolbox_footer_button").width
-                implicitHeight: Math.floor(UM.Theme.getSize("toolbox_footer_button").height)
-                color: control.hovered ? UM.Theme.getColor("primary_hover") : UM.Theme.getColor("primary")
-            }
-            label: Label
-            {
-                color: UM.Theme.getColor("button_text")
-                font: UM.Theme.getFont("default_bold")
-                text: control.text
-                verticalAlignment: Text.AlignVCenter
-                horizontalAlignment: Text.AlignHCenter
-            }
-        }
     }
+
     ToolboxShadow
     {
         visible: footer.visible

plugins/Toolbox/resources/qml/ToolboxInstalledPage.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Dialogs 1.1
 import QtQuick.Window 2.2
 import QtQuick.Controls 1.4
@@ -21,44 +21,40 @@ ScrollView
     Column
     {
         spacing: UM.Theme.getSize("default_margin").height
+        visible: toolbox.pluginsInstalledModel.items.length > 0
+        height: childrenRect.height + 4 * UM.Theme.getSize("default_margin").height
+
         anchors
         {
             right: parent.right
             left: parent.left
-            leftMargin: UM.Theme.getSize("wide_margin").width
-            topMargin: UM.Theme.getSize("wide_margin").height
-            bottomMargin: UM.Theme.getSize("wide_margin").height
+            margins: UM.Theme.getSize("default_margin").width
             top: parent.top
         }
-        height: childrenRect.height + 4 * UM.Theme.getSize("default_margin").height
+
         Label
         {
-            visible: toolbox.pluginsInstalledModel.items.length > 0
-            width: parent.width
+            width: page.width
             text: catalog.i18nc("@title:tab", "Plugins")
             color: UM.Theme.getColor("text_medium")
             font: UM.Theme.getFont("medium")
+            renderType: Text.NativeRendering
         }
         Rectangle
         {
-            visible: toolbox.pluginsInstalledModel.items.length > 0
             color: "transparent"
             width: parent.width
-            height: childrenRect.height + 1 * UM.Theme.getSize("default_lining").width
+            height: childrenRect.height + UM.Theme.getSize("default_margin").width
             border.color: UM.Theme.getColor("lining")
             border.width: UM.Theme.getSize("default_lining").width
             Column
             {
-                height: childrenRect.height
                 anchors
                 {
                     top: parent.top
                     right: parent.right
                     left: parent.left
-                    leftMargin: UM.Theme.getSize("default_margin").width
-                    rightMargin: UM.Theme.getSize("default_margin").width
-                    topMargin: UM.Theme.getSize("default_lining").width
-                    bottomMargin: UM.Theme.getSize("default_lining").width
+                    margins: UM.Theme.getSize("default_margin").width
                 }
                 Repeater
                 {
@@ -70,32 +66,27 @@ ScrollView
         }
         Label
         {
-            visible: toolbox.materialsInstalledModel.items.length > 0
-            width: page.width
             text: catalog.i18nc("@title:tab", "Materials")
             color: UM.Theme.getColor("text_medium")
             font: UM.Theme.getFont("medium")
+            renderType: Text.NativeRendering
         }
+
         Rectangle
         {
-            visible: toolbox.materialsInstalledModel.items.length > 0
             color: "transparent"
             width: parent.width
-            height: childrenRect.height + 1 * UM.Theme.getSize("default_lining").width
+            height: childrenRect.height + UM.Theme.getSize("default_margin").width
             border.color: UM.Theme.getColor("lining")
             border.width: UM.Theme.getSize("default_lining").width
             Column
             {
-                height: Math.max( UM.Theme.getSize("wide_margin").height, childrenRect.height)
                 anchors
                 {
                     top: parent.top
                     right: parent.right
                     left: parent.left
-                    leftMargin: UM.Theme.getSize("default_margin").width
-                    rightMargin: UM.Theme.getSize("default_margin").width
-                    topMargin: UM.Theme.getSize("default_lining").width
-                    bottomMargin: UM.Theme.getSize("default_lining").width
+                    margins: UM.Theme.getSize("default_margin").width
                 }
                 Repeater
                 {

plugins/Toolbox/resources/qml/ToolboxInstalledTile.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
@@ -51,6 +51,7 @@ Item
                 wrapMode: Text.WordWrap
                 font: UM.Theme.getFont("default_bold")
                 color: pluginInfo.color
+                renderType: Text.NativeRendering
             }
             Label
             {
@@ -60,6 +61,7 @@ Item
                 width: parent.width
                 wrapMode: Text.WordWrap
                 color: pluginInfo.color
+                renderType: Text.NativeRendering
             }
         }
         Column
@@ -88,6 +90,7 @@ Item
                 onLinkActivated: Qt.openUrlExternally("mailto:" + model.author_email + "?Subject=Cura: " + model.name + " Plugin")
                 color: model.enabled ? UM.Theme.getColor("text") : UM.Theme.getColor("lining")
                 linkColor: UM.Theme.getColor("text_link")
+                renderType: Text.NativeRendering
             }
 
             Label
@@ -98,6 +101,7 @@ Item
                 color: UM.Theme.getColor("text")
                 verticalAlignment: Text.AlignVCenter
                 horizontalAlignment: Text.AlignLeft
+                renderType: Text.NativeRendering
             }
         }
         ToolboxInstalledTileActions

plugins/Toolbox/resources/qml/ToolboxInstalledTileActions.qml

@@ -1,15 +1,18 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
 
+import Cura 1.1 as Cura
+
 Column
 {
     property bool canUpdate: false
     property bool canDowngrade: false
+    property bool loginRequired: model.login_required && !Cura.API.account.isLoggedIn
     width: UM.Theme.getSize("toolbox_action_button").width
     spacing: UM.Theme.getSize("narrow_margin").height
 
@@ -21,6 +24,7 @@ Column
         font: UM.Theme.getFont("default")
         wrapMode: Text.WordWrap
         width: parent.width
+        renderType: Text.NativeRendering
     }
 
     ToolboxProgressButton
@@ -30,59 +34,49 @@ Column
         readyLabel: catalog.i18nc("@action:button", "Update")
         activeLabel: catalog.i18nc("@action:button", "Updating")
         completeLabel: catalog.i18nc("@action:button", "Updated")
-        readyAction: function()
+        onReadyAction:
         {
             toolbox.activePackage = model
             toolbox.update(model.id)
         }
-        activeAction: function()
-        {
-            toolbox.cancelDownload()
-        }
+        onActiveAction: toolbox.cancelDownload()
+
         // Don't allow installing while another download is running
-        enabled: !(toolbox.isDownloading && toolbox.activePackage != model)
+        enabled: !(toolbox.isDownloading && toolbox.activePackage != model) && !loginRequired
         opacity: enabled ? 1.0 : 0.5
         visible: canUpdate
     }
 
-    Button
+    Label
+    {
+        wrapMode: Text.WordWrap
+        text: catalog.i18nc("@label:The string between <a href=> and </a> is the highlighted link", "<a href='%1'>Log in</a> is required to update")
+        font: UM.Theme.getFont("default")
+        color: UM.Theme.getColor("text")
+        linkColor: UM.Theme.getColor("text_link")
+        visible: loginRequired
+        width: updateButton.width
+        renderType: Text.NativeRendering
+
+        MouseArea
+        {
+            anchors.fill: parent
+            onClicked: Cura.API.account.login()
+        }
+    }
+
+    Cura.SecondaryButton
     {
         id: removeButton
         text: canDowngrade ? catalog.i18nc("@action:button", "Downgrade") : catalog.i18nc("@action:button", "Uninstall")
         visible: !model.is_bundled && model.is_installed
         enabled: !toolbox.isDownloading
-        style: ButtonStyle
-        {
-            background: Rectangle
-            {
-                implicitWidth: UM.Theme.getSize("toolbox_action_button").width
-                implicitHeight: UM.Theme.getSize("toolbox_action_button").height
-                color: "transparent"
-                border
-                {
-                    width: UM.Theme.getSize("default_lining").width
-                    color:
-                    {
-                        if (control.hovered)
-                        {
-                            return UM.Theme.getColor("primary_hover")
-                        }
-                        else
-                        {
-                            return UM.Theme.getColor("lining")
-                        }
-                    }
-                }
-            }
-            label: Label
-            {
-                text: control.text
-                color: UM.Theme.getColor("text")
-                verticalAlignment: Text.AlignVCenter
-                horizontalAlignment: Text.AlignHCenter
-                font: UM.Theme.getFont("default")
-            }
-        }
+
+        width: UM.Theme.getSize("toolbox_action_button").width
+        height: UM.Theme.getSize("toolbox_action_button").height
+
+        fixedWidthMode: true
+
         onClicked: toolbox.checkPackageUsageAndUninstall(model.id)
         Connections
         {

plugins/Toolbox/resources/qml/ToolboxLicenseDialog.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.2
+import QtQuick 2.10
 import QtQuick.Dialogs 1.1
 import QtQuick.Window 2.2
 import QtQuick.Controls 1.4
@@ -32,6 +32,7 @@ UM.Dialog
             anchors.right: parent.right
             text: licenseDialog.pluginName + catalog.i18nc("@label", "This plugin contains a license.\nYou need to accept this license to install this plugin.\nDo you agree with the terms below?")
             wrapMode: Text.Wrap
+            renderType: Text.NativeRendering
         }
         TextArea
         {

plugins/Toolbox/resources/qml/ToolboxLoadingPage.qml

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 
@@ -18,5 +18,6 @@ Rectangle
         {
             centerIn: parent
         }
+        renderType: Text.NativeRendering
     }
 }

plugins/Toolbox/resources/qml/ToolboxProgressButton.qml

@@ -5,6 +5,7 @@ import QtQuick 2.2
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
+import Cura 1.0 as Cura
 
 
 Item
@@ -18,16 +19,19 @@ Item
     property var activeLabel: catalog.i18nc("@action:button", "Cancel")
     property var completeLabel: catalog.i18nc("@action:button", "Installed")
 
-    property var readyAction: null          // Action when button is ready and clicked (likely install)
-    property var activeAction: null         // Action when button is active and clicked (likely cancel)
-    property var completeAction: null       // Action when button is complete and clicked (likely go to installed)
+    signal readyAction() // Action when button is ready and clicked (likely install)
+    signal activeAction() // Action when button is active and clicked (likely cancel)
+    signal completeAction() // Action when button is complete and clicked (likely go to installed)
 
     width: UM.Theme.getSize("toolbox_action_button").width
     height: UM.Theme.getSize("toolbox_action_button").height
 
-    Button
+    Cura.PrimaryButton
     {
         id: button
+        width: UM.Theme.getSize("toolbox_action_button").width
+        height: UM.Theme.getSize("toolbox_action_button").height
+        fixedWidthMode: true
         text:
         {
             if (complete)
@@ -47,101 +51,15 @@ Item
         {
             if (complete)
             {
-                return completeAction()
+                completeAction()
             }
             else if (active)
             {
-                return activeAction()
+                activeAction()
             }
             else
             {
-                return readyAction()
-            }
-        }
-        style: ButtonStyle
-        {
-            background: Rectangle
-            {
-                implicitWidth: UM.Theme.getSize("toolbox_action_button").width
-                implicitHeight: UM.Theme.getSize("toolbox_action_button").height
-                color:
-                {
-                    if (base.complete)
-                    {
-                        return "transparent"
-                    }
-                    else
-                    {
-                        if (control.hovered)
-                        {
-                            return UM.Theme.getColor("primary_hover")
-                        }
-                        else
-                        {
-                            return UM.Theme.getColor("primary")
-                        }
-                    }
-                }
-                border
-                {
-                    width:
-                    {
-                        if (base.complete)
-                        {
-                            UM.Theme.getSize("default_lining").width
-                        }
-                        else
-                        {
-                            return 0
-                        }
-                    }
-                    color:
-                    {
-                        if (control.hovered)
-                        {
-                            return UM.Theme.getColor("primary_hover")
-                        }
-                        else
-                        {
-                            return UM.Theme.getColor("lining")
-                        }
-                    }
-                }
-            }
-            label: Label
-            {
-                text: control.text
-                color:
-                {
-                    if (base.complete)
-                    {
-                        return UM.Theme.getColor("text")
-                    }
-                    else
-                    {
-                        if (control.hovered)
-                        {
-                            return UM.Theme.getColor("button_text_hover")
-                        }
-                        else
-                        {
-                            return UM.Theme.getColor("button_text")
-                        }
-                    }
-                }
-                verticalAlignment: Text.AlignVCenter
-                horizontalAlignment: Text.AlignHCenter
-                font:
-                {
-                    if (base.complete)
-                    {
-                        return UM.Theme.getFont("default")
-                    }
-                    else
-                    {
-                        return UM.Theme.getFont("default_bold")
-                    }
-                }
+                readyAction()
             }
         }
     }

plugins/Toolbox/resources/qml/ToolboxTabButton.qml

@@ -1,32 +1,32 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.2
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 import UM 1.1 as UM
 
 Button
 {
+    id: control
     property bool active: false
-    style: ButtonStyle
+    hoverEnabled: true
+
+    background: Item
     {
-        background: Rectangle
-        {
-            color: "transparent"
         implicitWidth: UM.Theme.getSize("toolbox_header_tab").width
         implicitHeight: UM.Theme.getSize("toolbox_header_tab").height
         Rectangle
         {
             visible: control.active
-                color: UM.Theme.getColor("toolbox_header_highlight_hover")
+            color: UM.Theme.getColor("primary")
             anchors.bottom: parent.bottom
             width: parent.width
             height: UM.Theme.getSize("toolbox_header_highlight").height
         }
     }
-        label: Label
+    contentItem: Label
     {
+        id: label
         text: control.text
         color:
         {
@@ -46,6 +46,6 @@ Button
         font: control.enabled ? (control.active ? UM.Theme.getFont("medium_bold") : UM.Theme.getFont("medium")) : UM.Theme.getFont("default_italic")
         verticalAlignment: Text.AlignVCenter
         horizontalAlignment: Text.AlignHCenter
-        }
+        renderType: Text.NativeRendering
     }
 }

plugins/Toolbox/src/AuthorsModel.py

@@ -2,18 +2,19 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import re
-from typing import Dict
+from typing import Dict, List, Optional, Union
 
 from PyQt5.QtCore import Qt, pyqtProperty, pyqtSignal
 
 from UM.Qt.ListModel import ListModel
 
+
 ##  Model that holds cura packages. By setting the filter property the instances held by this model can be changed.
 class AuthorsModel(ListModel):
-    def __init__(self, parent = None):
+    def __init__(self, parent = None) -> None:
         super().__init__(parent)
 
-        self._metadata = None
+        self._metadata = None  # type: Optional[List[Dict[str, Union[str, List[str], int]]]]
 
         self.addRoleName(Qt.UserRole + 1, "id")
         self.addRoleName(Qt.UserRole + 2, "name")
@@ -27,37 +28,38 @@ class AuthorsModel(ListModel):
         # List of filters for queries. The result is the union of the each list of results.
         self._filter = {}  # type: Dict[str, str]
 
-    def setMetadata(self, data):
+    def setMetadata(self, data: List[Dict[str, Union[str, List[str], int]]]):
+        if self._metadata != data:
             self._metadata = data
             self._update()
 
-    def _update(self):
-        items = []
+    def _update(self) -> None:
+        items = []  # type: List[Dict[str, Union[str, List[str], int, None]]]
         if not self._metadata:
-            self.setItems([])
+            self.setItems(items)
             return
 
         for author in self._metadata:
             items.append({
-                "id":             author["author_id"],
-                "name":           author["display_name"],
-                "email":          author["email"] if "email" in author else None,
-                "website":        author["website"],
-                "package_count":  author["package_count"] if "package_count" in author else 0,
-                "package_types":  author["package_types"] if "package_types" in author else [],
-                "icon_url":       author["icon_url"] if "icon_url" in author else None,
-                "description":    "Material and quality profiles from {author_name}".format(author_name = author["display_name"])
+                "id":             author.get("author_id"),
+                "name":           author.get("display_name"),
+                "email":          author.get("email"),
+                "website":        author.get("website"),
+                "package_count":  author.get("package_count", 0),
+                "package_types":  author.get("package_types", []),
+                "icon_url":       author.get("icon_url"),
+                "description":    "Material and quality profiles from {author_name}".format(author_name = author.get("display_name", ""))
             })
 
         # Filter on all the key-word arguments.
         for key, value in self._filter.items():
             if key is "package_types":
-                key_filter = lambda item, value = value: value in item["package_types"]
+                key_filter = lambda item, value = value: value in item["package_types"]  # type: ignore
             elif "*" in value:
-                key_filter = lambda item, key = key, value = value: self._matchRegExp(item, key, value)
+                key_filter = lambda item, key = key, value = value: self._matchRegExp(item, key, value)  # type: ignore
             else:
-                key_filter = lambda item, key = key, value = value: self._matchString(item, key, value)
-            items = filter(key_filter, items)
+                key_filter = lambda item, key = key, value = value: self._matchString(item, key, value)  # type: ignore
+            items = filter(key_filter, items)  # type: ignore
 
         # Execute all filters.
         filtered_items = list(items)

plugins/Toolbox/src/PackagesModel.py

@@ -40,11 +40,13 @@ class PackagesModel(ListModel):
         self.addRoleName(Qt.UserRole + 19, "tags")
         self.addRoleName(Qt.UserRole + 20, "links")
         self.addRoleName(Qt.UserRole + 21, "website")
+        self.addRoleName(Qt.UserRole + 22, "login_required")
 
         # List of filters for queries. The result is the union of the each list of results.
         self._filter = {}  # type: Dict[str, str]
 
     def setMetadata(self, data):
+        if self._metadata != data:
             self._metadata = data
             self._update()
 
@@ -99,6 +101,7 @@ class PackagesModel(ListModel):
                 "tags":                 package["tags"] if "tags" in package else [],
                 "links":                links_dict,
                 "website":              package["website"] if "website" in package else None,
+                "login_required":       "login-required" in package.get("tags", [])
             })
 
         # Filter on all the key-word arguments.

plugins/Toolbox/src/Toolbox.py

@@ -18,6 +18,7 @@ from UM.i18n import i18nCatalog
 from UM.Version import Version
 
 import cura
+from cura import CuraConstants
 from cura.CuraApplication import CuraApplication
 
 from .AuthorsModel import AuthorsModel
@@ -39,9 +40,9 @@ class Toolbox(QObject, Extension):
 
         self._application = application  # type: CuraApplication
 
-        self._sdk_version = None  # type: Optional[Union[str, int]]
-        self._cloud_api_version = None  # type: Optional[int]
-        self._cloud_api_root = None  # type: Optional[str]
+        self._sdk_version = CuraConstants.CuraSDKVersion  # type: Union[str, int]
+        self._cloud_api_version = CuraConstants.CuraCloudAPIVersion  # type: int
+        self._cloud_api_root = CuraConstants.CuraCloudAPIRoot  # type: str
         self._api_url = None  # type: Optional[str]
 
         # Network:
@@ -66,31 +67,26 @@ class Toolbox(QObject, Extension):
         self._old_plugin_ids = set()  # type: Set[str]
         self._old_plugin_metadata = dict()  # type: Dict[str, Dict[str, Any]]
 
-        # Data:
-        self._metadata = {
+        # The responses as given by the server parsed to a list.
+        self._server_response_data = {
             "authors":             [],
-            "packages":            [],
-            "plugins_showcase":    [],
-            "plugins_available":   [],
-            "plugins_installed":   [],
-            "materials_showcase":  [],
-            "materials_available": [],
-            "materials_installed": [],
-            "materials_generic":   []
+            "packages":            []
         }  # type: Dict[str, List[Any]]
 
         # Models:
         self._models = {
             "authors":             AuthorsModel(self),
             "packages":            PackagesModel(self),
-            "plugins_showcase":    PackagesModel(self),
-            "plugins_available":   PackagesModel(self),
-            "plugins_installed":   PackagesModel(self),
-            "materials_showcase":  AuthorsModel(self),
-            "materials_available": AuthorsModel(self),
-            "materials_installed": PackagesModel(self),
-            "materials_generic":   PackagesModel(self)
-        }  # type: Dict[str, ListModel]
+        }  # type: Dict[str, Union[AuthorsModel, PackagesModel]]
+
+        self._plugins_showcase_model = PackagesModel(self)
+        self._plugins_available_model = PackagesModel(self)
+        self._plugins_installed_model = PackagesModel(self)
+
+        self._materials_showcase_model = AuthorsModel(self)
+        self._materials_available_model = AuthorsModel(self)
+        self._materials_installed_model = PackagesModel(self)
+        self._materials_generic_model = PackagesModel(self)
 
         # These properties are for keeping track of the UI state:
         # ----------------------------------------------------------------------
@@ -168,9 +164,6 @@ class Toolbox(QObject, Extension):
     def _onAppInitialized(self) -> None:
         self._plugin_registry = self._application.getPluginRegistry()
         self._package_manager = self._application.getPackageManager()
-        self._sdk_version = self._getSDKVersion()
-        self._cloud_api_version = self._getCloudAPIVersion()
-        self._cloud_api_root = self._getCloudAPIRoot()
         self._api_url = "{cloud_api_root}/cura-packages/v{cloud_api_version}/cura/v{sdk_version}".format(
             cloud_api_root = self._cloud_api_root,
             cloud_api_version = self._cloud_api_version,
@@ -178,44 +171,9 @@ class Toolbox(QObject, Extension):
         )
         self._request_urls = {
             "authors": QUrl("{base_url}/authors".format(base_url = self._api_url)),
-            "packages": QUrl("{base_url}/packages".format(base_url = self._api_url)),
-            "plugins_showcase": QUrl("{base_url}/showcase".format(base_url = self._api_url)),
-            "plugins_available": QUrl("{base_url}/packages?package_type=plugin".format(base_url = self._api_url)),
-            "materials_showcase": QUrl("{base_url}/showcase".format(base_url = self._api_url)),
-            "materials_available": QUrl("{base_url}/packages?package_type=material".format(base_url = self._api_url)),
-            "materials_generic": QUrl("{base_url}/packages?package_type=material&tags=generic".format(base_url = self._api_url))
+            "packages": QUrl("{base_url}/packages".format(base_url = self._api_url))
         }
 
-    # Get the API root for the packages API depending on Cura version settings.
-    def _getCloudAPIRoot(self) -> str:
-        if not hasattr(cura, "CuraVersion"):
-            return self.DEFAULT_CLOUD_API_ROOT
-        if not hasattr(cura.CuraVersion, "CuraCloudAPIRoot"): # type: ignore
-            return self.DEFAULT_CLOUD_API_ROOT
-        if not cura.CuraVersion.CuraCloudAPIRoot: # type: ignore
-            return self.DEFAULT_CLOUD_API_ROOT
-        return cura.CuraVersion.CuraCloudAPIRoot # type: ignore
-
-    # Get the cloud API version from CuraVersion
-    def _getCloudAPIVersion(self) -> int:
-        if not hasattr(cura, "CuraVersion"):
-            return self.DEFAULT_CLOUD_API_VERSION
-        if not hasattr(cura.CuraVersion, "CuraCloudAPIVersion"): # type: ignore
-            return self.DEFAULT_CLOUD_API_VERSION
-        if not cura.CuraVersion.CuraCloudAPIVersion: # type: ignore
-            return self.DEFAULT_CLOUD_API_VERSION
-        return cura.CuraVersion.CuraCloudAPIVersion # type: ignore
-
-    # Get the packages version depending on Cura version settings.
-    def _getSDKVersion(self) -> Union[int, str]:
-        if not hasattr(cura, "CuraVersion"):
-            return self._application.getAPIVersion().getMajor()
-        if not hasattr(cura.CuraVersion, "CuraSDKVersion"):  # type: ignore
-            return self._application.getAPIVersion().getMajor()
-        if not cura.CuraVersion.CuraSDKVersion:  # type: ignore
-            return self._application.getAPIVersion().getMajor()
-        return cura.CuraVersion.CuraSDKVersion  # type: ignore
-
     @pyqtSlot()
     def browsePackages(self) -> None:
         # Create the network manager:
@@ -231,12 +189,6 @@ class Toolbox(QObject, Extension):
         # Make remote requests:
         self._makeRequestByType("packages")
         self._makeRequestByType("authors")
-        # TODO: Uncomment in the future when the tag-filtered api calls work in the cloud server
-        # self._makeRequestByType("plugins_showcase")
-        # self._makeRequestByType("plugins_available")
-        # self._makeRequestByType("materials_showcase")
-        # self._makeRequestByType("materials_available")
-        # self._makeRequestByType("materials_generic")
 
         # Gather installed packages:
         self._updateInstalledModels()
@@ -281,7 +233,7 @@ class Toolbox(QObject, Extension):
                 "description": plugin_data["plugin"]["description"]
             }
             return formatted
-        except:
+        except KeyError:
             Logger.log("w", "Unable to convert plugin meta data %s", str(plugin_data))
             return None
 
@@ -319,13 +271,10 @@ class Toolbox(QObject, Extension):
                                     if plugin_id not in all_plugin_package_ids)
             self._old_plugin_metadata = {k: v for k, v in self._old_plugin_metadata.items() if k in self._old_plugin_ids}
 
-            self._metadata["plugins_installed"] = all_packages["plugin"] + list(self._old_plugin_metadata.values())
-            self._models["plugins_installed"].setMetadata(self._metadata["plugins_installed"])
+            self._plugins_installed_model.setMetadata(all_packages["plugin"] + list(self._old_plugin_metadata.values()))
             self.metadataChanged.emit()
         if "material" in all_packages:
-            self._metadata["materials_installed"] = all_packages["material"]
-            # TODO: ADD MATERIALS HERE ONCE MATERIALS PORTION OF TOOLBOX IS LIVE
-            self._models["materials_installed"].setMetadata(self._metadata["materials_installed"])
+            self._materials_installed_model.setMetadata(all_packages["material"])
             self.metadataChanged.emit()
 
     @pyqtSlot(str)
@@ -479,7 +428,7 @@ class Toolbox(QObject, Extension):
     def getRemotePackage(self, package_id: str) -> Optional[Dict]:
         # TODO: make the lookup in a dict, not a loop. canUpdate is called for every item.
         remote_package = None
-        for package in self._metadata["packages"]:
+        for package in self._server_response_data["packages"]:
             if package["package_id"] == package_id:
                 remote_package = package
                 break
@@ -491,11 +440,8 @@ class Toolbox(QObject, Extension):
     def canUpdate(self, package_id: str) -> bool:
         local_package = self._package_manager.getInstalledPackageInfo(package_id)
         if local_package is None:
-            Logger.log("i", "Could not find package [%s] as installed in the package manager, fall back to check the old plugins",
-                       package_id)
             local_package = self.getOldPluginPackageMetadata(package_id)
             if local_package is None:
-                Logger.log("i", "Could not find package [%s] in the old plugins", package_id)
                 return False
 
         remote_package = self.getRemotePackage(package_id)
@@ -545,8 +491,8 @@ class Toolbox(QObject, Extension):
     @pyqtSlot(str, result = int)
     def getNumberOfInstalledPackagesByAuthor(self, author_id: str) -> int:
         count = 0
-        for package in self._metadata["materials_installed"]:
-            if package["author"]["author_id"] == author_id:
+        for package in self._materials_installed_model.items:
+            if package["author_id"] == author_id:
                 count += 1
         return count
 
@@ -554,7 +500,7 @@ class Toolbox(QObject, Extension):
     @pyqtSlot(str, result = int)
     def getTotalNumberOfMaterialPackagesByAuthor(self, author_id: str) -> int:
         count = 0
-        for package in self._metadata["packages"]:
+        for package in self._server_response_data["packages"]:
             if package["package_type"] == "material":
                 if package["author"]["author_id"] == author_id:
                     count += 1
@@ -568,34 +514,30 @@ class Toolbox(QObject, Extension):
 
     # Check for plugins that were installed with the old plugin browser
     def isOldPlugin(self, plugin_id: str) -> bool:
-        if plugin_id in self._old_plugin_ids:
-            return True
-        return False
+        return plugin_id in self._old_plugin_ids
 
     def getOldPluginPackageMetadata(self, plugin_id: str) -> Optional[Dict[str, Any]]:
         return self._old_plugin_metadata.get(plugin_id)
 
-    def loadingComplete(self) -> bool:
+    def isLoadingComplete(self) -> bool:
         populated = 0
-        for list in self._metadata.items():
-            if len(list) > 0:
+        for metadata_list in self._server_response_data.items():
+            if metadata_list:
                 populated += 1
-        if populated == len(self._metadata.items()):
-            return True
-        return False
+        return populated == len(self._server_response_data.items())
 
     # Make API Calls
     # --------------------------------------------------------------------------
-    def _makeRequestByType(self, type: str) -> None:
-        Logger.log("i", "Marketplace: Requesting %s metadata from server.", type)
-        request = QNetworkRequest(self._request_urls[type])
+    def _makeRequestByType(self, request_type: str) -> None:
+        Logger.log("i", "Requesting %s metadata from server.", request_type)
+        request = QNetworkRequest(self._request_urls[request_type])
         request.setRawHeader(*self._request_header)
         if self._network_manager:
             self._network_manager.get(request)
 
     @pyqtSlot(str)
     def startDownload(self, url: str) -> None:
-        Logger.log("i", "Marketplace: Attempting to download & install package from %s.", url)
+        Logger.log("i", "Attempting to download & install package from %s.", url)
         url = QUrl(url)
         self._download_request = QNetworkRequest(url)
         if hasattr(QNetworkRequest, "FollowRedirectsAttribute"):
@@ -612,7 +554,7 @@ class Toolbox(QObject, Extension):
 
     @pyqtSlot()
     def cancelDownload(self) -> None:
-        Logger.log("i", "Marketplace: User cancelled the download of a package.")
+        Logger.log("i", "User cancelled the download of a package.")
         self.resetDownload()
 
     def resetDownload(self) -> None:
@@ -646,22 +588,8 @@ class Toolbox(QObject, Extension):
             self.resetDownload()
             return
 
-        # HACK: These request are not handled independently at this moment, but together from the "packages" call
-        do_not_handle = [
-            "materials_available",
-            "materials_showcase",
-            "materials_generic",
-            "plugins_available",
-            "plugins_showcase",
-        ]
-
         if reply.operation() == QNetworkAccessManager.GetOperation:
-            for type, url in self._request_urls.items():
-
-                # HACK: Do nothing because we'll handle these from the "packages" call
-                if type in do_not_handle:
-                    continue
-
+            for response_type, url in self._request_urls.items():
                 if reply.url() == url:
                     if reply.attribute(QNetworkRequest.HttpStatusCodeAttribute) == 200:
                         try:
@@ -674,38 +602,32 @@ class Toolbox(QObject, Extension):
                                 return
 
                             # Create model and apply metadata:
-                            if not self._models[type]:
-                                Logger.log("e", "Could not find the %s model.", type)
+                            if not self._models[response_type]:
+                                Logger.log("e", "Could not find the %s model.", response_type)
                                 break
                             
-                            self._metadata[type] = json_data["data"]
-                            self._models[type].setMetadata(self._metadata[type])
+                            self._server_response_data[response_type] = json_data["data"]
+                            self._models[response_type].setMetadata(self._server_response_data[response_type])
 
-                            # Do some auto filtering
-                            # TODO: Make multiple API calls in the future to handle this
-                            if type is "packages":
-                                self._models[type].setFilter({"type": "plugin"})
-                                self.buildMaterialsModels()
-                                self.buildPluginsModels()
-                            if type is "authors":
-                                self._models[type].setFilter({"package_types": "material"})
-                            if type is "materials_generic":
-                                self._models[type].setFilter({"tags": "generic"})
+                            if response_type is "packages":
+                                self._models[response_type].setFilter({"type": "plugin"})
+                                self.reBuildMaterialsModels()
+                                self.reBuildPluginsModels()
+                            elif response_type is "authors":
+                                self._models[response_type].setFilter({"package_types": "material"})
+                                self._models[response_type].setFilter({"tags": "generic"})
 
                             self.metadataChanged.emit()
 
-                            if self.loadingComplete() is True:
+                            if self.isLoadingComplete():
                                 self.setViewPage("overview")
 
-                            return
                         except json.decoder.JSONDecodeError:
-                            Logger.log("w", "Marketplace: Received invalid JSON for %s.", type)
+                            Logger.log("w", "Received invalid JSON for %s.", response_type)
                             break
                     else:
                         self.setViewPage("errored")
                         self.resetDownload()
-                        return
-
         else:
             # Ignore any operation that is not a get operation
             pass
@@ -716,7 +638,13 @@ class Toolbox(QObject, Extension):
             self.setDownloadProgress(new_progress)
             if bytes_sent == bytes_total:
                 self.setIsDownloading(False)
-                cast(QNetworkReply, self._download_reply).downloadProgress.disconnect(self._onDownloadProgress)
+                self._download_reply = cast(QNetworkReply, self._download_reply)
+                self._download_reply.downloadProgress.disconnect(self._onDownloadProgress)
+                
+                # Check if the download was sucessfull
+                if self._download_reply.attribute(QNetworkRequest.HttpStatusCodeAttribute) != 200:
+                    Logger.log("w", "Failed to download package. The following error was returned: %s", json.loads(bytes(self._download_reply.readAll()).decode("utf-8")))
+                    return
                 # Must not delete the temporary file on Windows
                 self._temp_plugin_file = tempfile.NamedTemporaryFile(mode = "w+b", suffix = ".curapackage", delete = False)
                 file_path = self._temp_plugin_file.name
@@ -726,10 +654,10 @@ class Toolbox(QObject, Extension):
                 self._onDownloadComplete(file_path)
 
     def _onDownloadComplete(self, file_path: str) -> None:
-        Logger.log("i", "Marketplace: Download complete.")
+        Logger.log("i", "Download complete.")
         package_info = self._package_manager.getPackageInfo(file_path)
         if not package_info:
-            Logger.log("w", "Marketplace: Package file [%s] was not a valid CuraPackage.", file_path)
+            Logger.log("w", "Package file [%s] was not a valid CuraPackage.", file_path)
             return
 
         license_content = self._package_manager.getPackageLicense(file_path)
@@ -738,7 +666,6 @@ class Toolbox(QObject, Extension):
             return
 
         self.install(file_path)
-        return
 
     # Getter & Setters for Properties:
     # --------------------------------------------------------------------------
@@ -761,6 +688,7 @@ class Toolbox(QObject, Extension):
         return self._is_downloading
 
     def setActivePackage(self, package: Dict[str, Any]) -> None:
+        if self._active_package != package:
             self._active_package = package
             self.activePackageChanged.emit()
 
@@ -770,6 +698,7 @@ class Toolbox(QObject, Extension):
         return self._active_package
 
     def setViewCategory(self, category: str = "plugin") -> None:
+        if self._view_category != category:
             self._view_category = category
             self.viewChanged.emit()
 
@@ -778,6 +707,7 @@ class Toolbox(QObject, Extension):
         return self._view_category
 
     def setViewPage(self, page: str = "overview") -> None:
+        if self._view_page != page:
             self._view_page = page
             self.viewChanged.emit()
 
@@ -787,48 +717,48 @@ class Toolbox(QObject, Extension):
 
     # Exposed Models:
     # --------------------------------------------------------------------------
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def authorsModel(self) -> AuthorsModel:
         return cast(AuthorsModel, self._models["authors"])
 
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def packagesModel(self) -> PackagesModel:
         return cast(PackagesModel, self._models["packages"])
 
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def pluginsShowcaseModel(self) -> PackagesModel:
-        return cast(PackagesModel, self._models["plugins_showcase"])
+        return self._plugins_showcase_model
 
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def pluginsAvailableModel(self) -> PackagesModel:
-        return cast(PackagesModel, self._models["plugins_available"])
+        return self._plugins_available_model
 
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def pluginsInstalledModel(self) -> PackagesModel:
-        return cast(PackagesModel, self._models["plugins_installed"])
+        return self._plugins_installed_model
 
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def materialsShowcaseModel(self) -> AuthorsModel:
-        return cast(AuthorsModel, self._models["materials_showcase"])
+        return self._materials_showcase_model
 
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def materialsAvailableModel(self) -> AuthorsModel:
-        return cast(AuthorsModel, self._models["materials_available"])
+        return self._materials_available_model
 
-    @pyqtProperty(QObject, notify = metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def materialsInstalledModel(self) -> PackagesModel:
-        return cast(PackagesModel, self._models["materials_installed"])
+        return self._materials_installed_model
 
-    @pyqtProperty(QObject, notify=metadataChanged)
+    @pyqtProperty(QObject, constant=True)
     def materialsGenericModel(self) -> PackagesModel:
-        return cast(PackagesModel, self._models["materials_generic"])
+        return self._materials_generic_model
 
     # Filter Models:
     # --------------------------------------------------------------------------
     @pyqtSlot(str, str, str)
     def filterModelByProp(self, model_type: str, filter_type: str, parameter: str) -> None:
         if not self._models[model_type]:
-            Logger.log("w", "Marketplace: Couldn't filter %s model because it doesn't exist.", model_type)
+            Logger.log("w", "Couldn't filter %s model because it doesn't exist.", model_type)
             return
         self._models[model_type].setFilter({filter_type: parameter})
         self.filterChanged.emit()
@@ -836,7 +766,7 @@ class Toolbox(QObject, Extension):
     @pyqtSlot(str, "QVariantMap")
     def setFilters(self, model_type: str, filter_dict: dict) -> None:
         if not self._models[model_type]:
-            Logger.log("w", "Marketplace: Couldn't filter %s model because it doesn't exist.", model_type)
+            Logger.log("w", "Couldn't filter %s model because it doesn't exist.", model_type)
             return
         self._models[model_type].setFilter(filter_dict)
         self.filterChanged.emit()
@@ -844,21 +774,21 @@ class Toolbox(QObject, Extension):
     @pyqtSlot(str)
     def removeFilters(self, model_type: str) -> None:
         if not self._models[model_type]:
-            Logger.log("w", "Marketplace: Couldn't remove filters on %s model because it doesn't exist.", model_type)
+            Logger.log("w", "Couldn't remove filters on %s model because it doesn't exist.", model_type)
             return
         self._models[model_type].setFilter({})
         self.filterChanged.emit()
 
     # HACK(S):
     # --------------------------------------------------------------------------
-    def buildMaterialsModels(self) -> None:
-        self._metadata["materials_showcase"] = []
-        self._metadata["materials_available"] = []
-        self._metadata["materials_generic"] = []
+    def reBuildMaterialsModels(self) -> None:
+        materials_showcase_metadata = []
+        materials_available_metadata = []
+        materials_generic_metadata = []
 
         processed_authors = []  # type: List[str]
 
-        for item in self._metadata["packages"]:
+        for item in self._server_response_data["packages"]:
             if item["package_type"] == "material":
 
                 author = item["author"]
@@ -867,30 +797,29 @@ class Toolbox(QObject, Extension):
 
                 # Generic materials to be in the same section
                 if "generic" in item["tags"]:
-                    self._metadata["materials_generic"].append(item)
+                    materials_generic_metadata.append(item)
                 else:
                     if "showcase" in item["tags"]:
-                        self._metadata["materials_showcase"].append(author)
+                        materials_showcase_metadata.append(author)
                     else:
-                        self._metadata["materials_available"].append(author)
+                        materials_available_metadata.append(author)
 
                     processed_authors.append(author["author_id"])
 
-        self._models["materials_showcase"].setMetadata(self._metadata["materials_showcase"])
-        self._models["materials_available"].setMetadata(self._metadata["materials_available"])
-        self._models["materials_generic"].setMetadata(self._metadata["materials_generic"])
+        self._materials_showcase_model.setMetadata(materials_showcase_metadata)
+        self._materials_available_model.setMetadata(materials_available_metadata)
+        self._materials_generic_model.setMetadata(materials_generic_metadata)
 
-    def buildPluginsModels(self) -> None:
-        self._metadata["plugins_showcase"] = []
-        self._metadata["plugins_available"] = []
+    def reBuildPluginsModels(self) -> None:
+        plugins_showcase_metadata = []
+        plugins_available_metadata = []
 
-        for item in self._metadata["packages"]:
+        for item in self._server_response_data["packages"]:
             if item["package_type"] == "plugin":
-
                 if "showcase" in item["tags"]:
-                    self._metadata["plugins_showcase"].append(item)
+                    plugins_showcase_metadata.append(item)
                 else:
-                    self._metadata["plugins_available"].append(item)
+                    plugins_available_metadata.append(item)
 
-        self._models["plugins_showcase"].setMetadata(self._metadata["plugins_showcase"])
-        self._models["plugins_available"].setMetadata(self._metadata["plugins_available"])
+        self._plugins_showcase_model.setMetadata(plugins_showcase_metadata)
+        self._plugins_available_model.setMetadata(plugins_available_metadata)

plugins/UM3NetworkPrinting/resources/qml/MonitorPrintJobCard.qml

@@ -97,6 +97,7 @@ Item
                         return ""
                     }
                     visible: printJob
+                    width: 120 * screenScaleFactor // TODO: Theme!
 
                     // FIXED-LINE-HEIGHT:
                     height: 18 * screenScaleFactor // TODO: Theme!

plugins/UM3NetworkPrinting/resources/qml/MonitorPrinterPill.qml

@@ -12,7 +12,19 @@ import UM 1.2 as UM
 Item
 {
     // The printer name
-    property alias text: printerNameLabel.text;
+    property var text: ""
+    property var tagText: {
+        switch(text) {
+            case "Ultimaker 3":
+                return "UM 3"
+            case "Ultimaker 3 Extended":
+                return "UM 3 EXT"
+            case "Ultimaker S5":
+                return "UM S5"
+            default:
+                return text
+        }
+    }
 
     implicitHeight: 18 * screenScaleFactor // TODO: Theme!
     implicitWidth: printerNameLabel.contentWidth + 12 // TODO: Theme!
@@ -28,7 +40,7 @@ Item
         id: printerNameLabel
         anchors.centerIn: parent
         color: "#535369" // TODO: Theme!
-        text: ""
+        text: tagText
         font.pointSize: 10
     }
 }

plugins/UM3NetworkPrinting/src/Cloud/CloudApiClient.py

@@ -8,6 +8,7 @@ from PyQt5.QtCore import QUrl
 from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply, QNetworkAccessManager
 
 from UM.Logger import Logger
+from cura import CuraConstants
 from cura.API import Account
 from .MeshUploader import MeshUploader
 from ..Models import BaseModel
@@ -24,8 +25,7 @@ from .Models.CloudPrintJobResponse import CloudPrintJobResponse
 class CloudApiClient:
 
     # The cloud URL to use for this remote cluster.
-    # TODO: Make sure that this URL goes to the live api before release
-    ROOT_PATH = "https://api-staging.ultimaker.com"
+    ROOT_PATH = CuraConstants.CuraCloudAPIRoot
     CLUSTER_API_ROOT = "{}/connect/v1".format(ROOT_PATH)
     CURA_API_ROOT = "{}/cura/v1".format(ROOT_PATH)
 

resources/bundled_packages/cura.json

@@ -50,6 +50,23 @@
             }
         }
     },
+    "CuraDrive": {
+        "package_info": {
+            "package_id": "CuraDrive",
+            "package_type": "plugin",
+            "display_name": "Cura Backups",
+            "description": "Backup and restore your configuration.",
+            "package_version": "1.2.0",
+            "sdk_version": 5,
+            "website": "https://ultimaker.com",
+            "author": {
+                "author_id": "UltimakerPackages",
+                "display_name": "Ultimaker B.V.",
+                "email": "plugins@ultimaker.com",
+                "website": "https://ultimaker.com"
+            }
+        }
+    },
     "CuraEngineBackend": {
         "package_info": {
             "package_id": "CuraEngineBackend",

resources/definitions/fdmprinter.def.json

@@ -3385,7 +3385,7 @@
                 "retraction_combing":
                 {
                     "label": "Combing Mode",
-                    "description": "Combing keeps the nozzle within already printed areas when traveling. This results in slightly longer travel moves but reduces the need for retractions. If combing is off, the material will retract and the nozzle moves in a straight line to the next point. It is also possible to avoid combing over top/bottom skin areas and also to only comb within the infill. Note that the 'Within Infill' option behaves exactly like the 'Not in Skin' option in earlier Cura releases.",
+                    "description": "Combing keeps the nozzle within already printed areas when traveling. This results in slightly longer travel moves but reduces the need for retractions. If combing is off, the material will retract and the nozzle moves in a straight line to the next point. It is also possible to avoid combing over top/bottom skin areas or to only comb within the infill.",
                     "type": "enum",
                     "options":
                     {

resources/qml/ActionPanel/OutputDevicesActionButton.qml

@@ -12,6 +12,12 @@ Item
 {
     id: widget
 
+    function requestWriteToDevice()
+    {
+        UM.OutputDeviceManager.requestWriteToDevice(UM.OutputDeviceManager.activeDevice, PrintInformation.jobName,
+            { "filter_by_machine": true, "preferred_mimetypes": Cura.MachineManager.activeMachine.preferred_output_file_formats });
+    }
+
     Cura.PrimaryButton
     {
         id: saveToButton
@@ -32,9 +38,8 @@ Item
 
         onClicked:
         {
-            forceActiveFocus();
-            UM.OutputDeviceManager.requestWriteToDevice(UM.OutputDeviceManager.activeDevice, PrintInformation.jobName,
-                { "filter_by_machine": true, "preferred_mimetypes": Cura.MachineManager.activeMachine.preferred_output_file_formats });
+            forceActiveFocus()
+            widget.requestWriteToDevice()
         }
     }
 
@@ -81,6 +86,7 @@ Item
                     delegate: Cura.ActionButton
                     {
                         text: model.description
+                        visible: model.id != UM.OutputDeviceManager.activeDevice  // Don't show the active device in the list
                         color: "transparent"
                         cornerRadius: 0
                         hoverColor: UM.Theme.getColor("primary")
@@ -88,6 +94,7 @@ Item
                         onClicked:
                         {
                             UM.OutputDeviceManager.setActiveDevice(model.id)
+                            widget.requestWriteToDevice()
                             popup.close()
                         }
                     }

resources/qml/ActionPanel/PrintInformationWidget.qml

@@ -15,7 +15,7 @@ UM.RecolorImage
     width: UM.Theme.getSize("section_icon").width
     height: UM.Theme.getSize("section_icon").height
 
-    color: popup.opened ? UM.Theme.getColor("primary") : UM.Theme.getColor("text_medium")
+    color: UM.Theme.getColor("icon")
 
     MouseArea
     {

resources/qml/Cura.qml

@@ -278,6 +278,14 @@ UM.MainWindow
                 height: UM.Theme.getSize("stage_menu").height
                 source: UM.Controller.activeStage != null ? UM.Controller.activeStage.stageMenuComponent : ""
 
+                //  HACK: This is to ensure that the parent never gets set to null, as this wreaks havoc on the focus.
+                function onParentDestroyed()
+                {
+                    printSetupSelector.parent = stageMenu
+                    printSetupSelector.visible = false
+                }
+                property Item oldParent: null
+
                 // The printSetupSelector is defined here so that the setting list doesn't need to get re-instantiated
                 // Every time the stage is changed.
                 property var printSetupSelector: Cura.PrintSetupSelector
@@ -285,9 +293,18 @@ UM.MainWindow
                    width: UM.Theme.getSize("print_setup_widget").width
                    height: UM.Theme.getSize("stage_menu").height
                    headerCornerSide: RoundedRectangle.Direction.Right
+                   onParentChanged:
+                   {
+                       if(stageMenu.oldParent !=null)
+                       {
+                           stageMenu.oldParent.Component.destruction.disconnect(stageMenu.onParentDestroyed)
+                       }
+                       stageMenu.oldParent = parent
+                       visible = parent != stageMenu
+                       parent.Component.destruction.connect(stageMenu.onParentDestroyed)
+                   }
                 }
             }
-
             UM.MessageStack
             {
                 anchors

resources/qml/Dialogs/WorkspaceSummaryDialog.qml

@@ -11,6 +11,7 @@ import Cura 1.0 as Cura
 
 UM.Dialog
 {
+    id: base
     title: catalog.i18nc("@title:window", "Save Project")
 
     minimumWidth: 500 * screenScaleFactor
@@ -49,7 +50,7 @@ UM.Dialog
         UM.SettingDefinitionsModel
         {
             id: definitionsModel
-            containerId: Cura.MachineManager.activeDefinitionId
+            containerId: base.visible ? Cura.MachineManager.activeDefinitionId: ""
             showAll: true
             exclude: ["command_line_settings"]
             showAncestors: true

resources/qml/ExtruderIcon.qml

@@ -49,6 +49,7 @@ Item
             anchors.centerIn: parent
             text: index + 1
             font: UM.Theme.getFont("very_small")
+            color: UM.Theme.getColor("text") 
             width: contentWidth
             height: contentHeight
             visible: extruderEnabled

resources/qml/IconWithText.qml

@@ -18,7 +18,7 @@ Item
     property alias color: label.color
     property alias text: label.text
     property alias font: label.font
-
+    property alias iconColor: icon.color
     property real margin: UM.Theme.getSize("narrow_margin").width
 
     // These properties can be used in combination with layouts.
@@ -39,7 +39,7 @@ Item
         width: UM.Theme.getSize("section_icon").width
         height: UM.Theme.getSize("section_icon").height
 
-        color: label.color
+        color: UM.Theme.getColor("icon")
 
         anchors
         {

resources/qml/MainWindow/MainWindowHeader.qml

@@ -54,16 +54,23 @@ Item
             {
                 text: model.name.toUpperCase()
                 checkable: true
-                checked: model.active
+                checked: UM.Controller.activeStage != null ? model.id == UM.Controller.activeStage.stageId : false
+
                 anchors.verticalCenter: parent.verticalCenter
                 exclusiveGroup: mainWindowHeaderMenuGroup
                 style: UM.Theme.styles.main_window_header_tab
                 height: UM.Theme.getSize("main_window_header_button").height
-                onClicked: UM.Controller.setActiveStage(model.id)
                 iconSource: model.stage.iconSource
 
                 property color overlayColor: "transparent"
                 property string overlayIconSource: ""
+
+                // This is a trick to assure the activeStage is correctly changed. It doesn't work propertly if done in the onClicked (see CURA-6028)
+                MouseArea
+                {
+                    anchors.fill: parent
+                    onClicked: UM.Controller.setActiveStage(model.id)
+                }
             }
         }