adding option of opening model as UCP or normal project file

CURA-11403

resources/qml/Dialogs/AskOpenAsProjectOrUcpOrImportModel.qml

@@ -0,0 +1,104 @@
+// Copyright (c) 2022 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
+import QtQuick 2.2
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.1
+
+import UM 1.5 as UM
+import Cura 1.0 as Cura
+
+
+UM.Dialog
+{
+    // This dialog asks the user whether he/she wants to open a project file as a project or import models.
+    id: base
+
+    title: catalog.i18nc("@title:window", "Open Universal Cura Project (UCP) file")
+    width: UM.Theme.getSize("small_popup_dialog").width
+    height: UM.Theme.getSize("small_popup_dialog").height
+    backgroundColor: UM.Theme.getColor("main_background")
+
+    maximumHeight: height
+    maximumWidth: width
+    minimumHeight: maximumHeight
+    minimumWidth: maximumWidth
+
+    modality: Qt.WindowModal
+
+    property var fileUrl
+    property var addToRecent: true //Whether to add this file to the recent files list after reading it.
+
+    // load the entire project
+    function loadProjectFile() {
+
+        UM.WorkspaceFileHandler.readLocalFile(base.fileUrl, base.addToRecent);
+
+        base.hide()
+    }
+
+    // load the project file as separated models
+    function loadModelFiles() {
+        CuraApplication.readLocalFile(base.fileUrl, "open_as_model", base.addToRecent)
+
+        base.hide()
+    }
+
+    // load the project file as Universal cura project
+    function loadUcpFiles() {
+        CuraApplication.readLocalUcpFile(base.fileUrl, base.addToRecent)
+
+        base.hide()
+    }
+
+    // override UM.Dialog accept
+    function accept () {
+
+        // when hitting 'enter', we always open as project unless open_as_model was explicitly stored as preference
+        if (openAsPreference == "open_as_model") {
+            loadModelFiles()
+        } else if (openAsPreference == "open_as_ucp"){
+            loadUcpFiles()
+        }else {
+            loadProjectFile()
+        }
+    }
+
+    Column
+    {
+        anchors.fill: parent
+        spacing: UM.Theme.getSize("default_margin").height
+
+        UM.Label
+        {
+            id: questionText
+            width: parent.width
+            text: catalog.i18nc("@text:window", "This is a Cura Universal project file. Would you like to open it as a Cura project or Cura Universal Project or import the models from it?")
+            wrapMode: Text.WordWrap
+        }
+    }
+
+    onAccepted: loadProjectFile()
+    onRejected: loadModelFiles()
+
+    buttonSpacing: UM.Theme.getSize("thin_margin").width
+
+    rightButtons:
+    [
+        Cura.SecondaryButton
+        {
+            text: catalog.i18nc("@action:button", "Open as project")
+            onClicked: loadProjectFile()
+        },
+        Cura.PrimaryButton
+        {
+            text: catalog.i18nc("@action:button", "Open as UCP")
+            onClicked: loadUcpFiles()
+        },
+        Cura.SecondaryButton
+        {
+            text: catalog.i18nc("@action:button", "Import models")
+            onClicked: loadModelFiles()
+        }
+    ]
+}