Added changeLog plugin

plugins/ChangeLogPlugin/ChangeLog.py

@@ -0,0 +1,98 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
+from UM.i18n import i18nCatalog
+from UM.Extension import Extension
+from UM.Preferences import Preferences
+from UM.Application import Application
+from UM.PluginRegistry import PluginRegistry
+from UM.Version import Version
+
+from PyQt5.QtQuick import QQuickView
+from PyQt5.QtQml import QQmlComponent, QQmlContext
+from PyQt5.QtCore import QUrl, pyqtSlot, QObject
+
+import os.path
+
+catalog = i18nCatalog("cura")
+
+class ChangeLog(Extension, QObject,):
+    def __init__(self, parent = None):
+        QObject.__init__(self, parent)
+        Extension.__init__(self)
+        self._changelog_window = None
+        self._changelog_context = None
+        version_string = Application.getInstance().getVersion()
+        if version_string is not "master":
+            self._version = Version(version_string)
+        else:
+            self._version = None
+        self._change_logs = None
+        Application.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
+        Preferences.getInstance().addPreference("general/latest_version_changelog_shown", "15.05.90") #First version of CURA with uranium
+        #self.showChangelog()
+
+    def getChangeLogs(self):
+        if not self._change_logs:
+            self.loadChangeLogs()
+        return self._change_logs
+
+    @pyqtSlot(result = str)
+    def getChangeLogString(self):
+        logs = self.getChangeLogs()
+        latest_version = Version(Preferences.getInstance().getValue("general/latest_version_changelog_shown"))
+        result = ""
+        for version in logs:
+            result += "<h1>" + str(version) + "</h1><br>"
+            result += ""
+            for change in logs[version]:
+                result += "<b>" + str(change) + "</b><br>"
+                for line in logs[version][change]:
+                    result += str(line) + "<br>"
+                result += "<br>"
+
+        pass
+        return result
+
+    def loadChangeLogs(self):
+        self._change_logs = {}
+        with open(os.path.join(PluginRegistry.getInstance().getPluginPath("ChangeLogPlugin"), "ChangeLog.txt"), 'r') as f:
+            open_version = None
+            open_header = None
+            for line in f:
+                line = line.replace("\n","")
+                if "[" in line and "]" in line:
+                    line = line.replace("[","")
+                    line = line.replace("]","")
+                    open_version = Version(line)
+                    self._change_logs[Version(line)] = {}
+                elif line.startswith("*"):
+                    open_header = line.replace("*","")
+                    self._change_logs[open_version][open_header] = []
+                else:
+                    if line != "":
+                        self._change_logs[open_version][open_header].append(line)
+
+    def _onEngineCreated(self):
+        if not self._version:
+            return #We're on dev branch.
+        if self._version > Preferences.getInstance().getValue("general/latest_version_changelog_shown"):
+            self.showChangelog()
+
+    def showChangelog(self):
+        if not self._changelog_window:
+            self.createChangelogWindow()
+        self._changelog_window.show()
+        Preferences.getInstance().setValue("general/latest_version_changelog_shown", Application.getInstance().getVersion())
+
+    def hideChangelog(self):
+        if self._changelog_window:
+            self._changelog_window.hide()
+
+    def createChangelogWindow(self):
+        path = QUrl.fromLocalFile(os.path.join(PluginRegistry.getInstance().getPluginPath("ChangeLogPlugin"), "ChangeLog.qml"))
+        component = QQmlComponent(Application.getInstance()._engine, path)
+        self._changelog_context = QQmlContext(Application.getInstance()._engine.rootContext())
+        self._changelog_context.setContextProperty("manager", self)
+        self._changelog_window = component.create(self._changelog_context)
+        #print(self._changelog_window)