QmlDesigner: Use ExamplesModelV2

V2 adds minQDSVersion property for model items

Change-Id: I27d36428f73b27b1d52d429e23654d094d6ff86d
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>

share/qtcreator/qmldesigner/welcomepage/MainGridStack.qml

@@ -88,7 +88,17 @@ Item {
                 Layout.fillWidth: true
                 Layout.fillHeight: true
                 hover: hoverHandler.hovered
-                model: ExamplesModel { id: examplesModel}
+
+                Component.onCompleted: {
+                    // remove items with old versions from the examples model
+                    for (let i = examplesModel.count - 1; i >= 0; --i) {
+                        if (!projectModel.exampleVersionOk(examplesModel.get(i).minQDSVersion))
+                            examplesModel.remove(i)
+                    }
+                }
+
+                model: ExamplesModelV2 { id: examplesModel }
+
                 delegate: ThumbnailDelegate {
                     type: ThumbnailDelegate.Type.Example
                     downloadable: showDownload

src/plugins/studiowelcome/studiowelcomeplugin.cpp

@@ -333,6 +333,37 @@ public:
         Core::EditorManager::openEditor(qmlFile);
     }
 
+    Q_INVOKABLE bool exampleVersionOk(const QString &exampleVersion)
+    {
+        if (exampleVersion.isEmpty())
+            return true;
+
+        const QStringList exampleVersionParts = exampleVersion.split('.');
+        const QStringList qdsVersionParts = QCoreApplication::applicationVersion().split('.');
+
+        QList<int> exampleVerInts;
+        QList<int> qdsVerInts;
+        for (const QString &part : exampleVersionParts)
+            exampleVerInts.append(part.toInt());
+
+        for (const QString &part : qdsVersionParts)
+            qdsVerInts.append(part.toInt());
+
+        // pad zeros so both lists are same size
+        while (qdsVerInts.size() < exampleVerInts.size())
+            qdsVerInts.append(0);
+
+        while (exampleVerInts.size() < qdsVerInts.size())
+            exampleVerInts.append(0);
+
+        for (int i = 0; i < qdsVerInts.size(); ++i) {
+            if (exampleVerInts[i] < qdsVerInts[i])
+                return false;
+        }
+
+        return true;
+    }
+
 public slots:
     void resetProjects();
     void delayedResetProjects();