QmlDesigner: Disable apply material to selected when no selection exist

When there is no valid model selected, disable the "apply to selected"
actions in the material editor and browser.

Change-Id: Id8e771c64e69c0ba2f42dff01d19ffbf4afafb77
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

share/qtcreator/qmldesigner/materialBrowserQmlSource/MaterialBrowser.qml

@@ -92,13 +92,13 @@ Item {
 
         StudioControls.MenuItem {
             text: qsTr("Apply to selected (replace)")
-            enabled: currentMaterial
+            enabled: currentMaterial && materialBrowserModel.hasModelSelection
             onTriggered: materialBrowserModel.applyToSelected(currentMaterial.materialInternalId, false)
         }
 
         StudioControls.MenuItem {
             text: qsTr("Apply to selected (add)")
-            enabled: currentMaterial
+            enabled: currentMaterial && materialBrowserModel.hasModelSelection
             onTriggered: materialBrowserModel.applyToSelected(currentMaterial.materialInternalId, true)
         }
 

share/qtcreator/qmldesigner/materialEditorQmlSources/MaterialEditorToolBar.qml

@@ -50,7 +50,7 @@ Rectangle {
             normalColor: "transparent"
             iconSize: StudioTheme.Values.bigIconFontSize
             buttonSize: root.height
-            enabled: hasMaterial && hasQuick3DImport
+            enabled: hasMaterial && hasModelSelection && hasQuick3DImport
             onClicked: root.toolBarAction(ToolBarAction.ApplyToSelected)
             tooltip: qsTr("Apply material to selected model.")
         }

src/plugins/qmldesigner/components/materialbrowser/materialbrowsermodel.cpp

@@ -106,6 +106,20 @@ void MaterialBrowserModel::setHasQuick3DImport(bool b)
     emit hasQuick3DImportChanged();
 }
 
+bool MaterialBrowserModel::hasModelSelection() const
+{
+    return m_hasModelSelection;
+}
+
+void MaterialBrowserModel::setHasModelSelection(bool b)
+{
+    if (b == m_hasModelSelection)
+        return;
+
+    m_hasModelSelection = b;
+    emit hasModelSelectionChanged();
+}
+
 void MaterialBrowserModel::setSearchText(const QString &searchText)
 {
     QString lowerSearchText = searchText.toLower();
@@ -156,11 +170,7 @@ void MaterialBrowserModel::setMaterials(const QList<ModelNode> &materials, bool
         emit isEmptyChanged();
     }
 
-    if (hasQuick3DImport != m_hasQuick3DImport) {
+    setHasQuick3DImport(hasQuick3DImport);
-        m_hasQuick3DImport = hasQuick3DImport;
-        emit hasQuick3DImportChanged();
-    }
-
     updateSelectedMaterial();
     resetModel();
 }

src/plugins/qmldesigner/components/materialbrowser/materialbrowsermodel.h

@@ -40,6 +40,7 @@ class MaterialBrowserModel : public QAbstractListModel
     Q_PROPERTY(bool isEmpty MEMBER m_isEmpty NOTIFY isEmptyChanged)
     Q_PROPERTY(int selectedIndex MEMBER m_selectedIndex NOTIFY selectedIndexChanged)
     Q_PROPERTY(bool hasQuick3DImport READ hasQuick3DImport WRITE setHasQuick3DImport NOTIFY hasQuick3DImportChanged)
+    Q_PROPERTY(bool hasModelSelection READ hasModelSelection WRITE setHasModelSelection NOTIFY hasModelSelectionChanged)
 
 public:
     MaterialBrowserModel(QObject *parent = nullptr);
@@ -54,6 +55,9 @@ public:
     bool hasQuick3DImport() const;
     void setHasQuick3DImport(bool b);
 
+    bool hasModelSelection() const;
+    void setHasModelSelection(bool b);
+
     void setMaterials(const QList<ModelNode> &materials, bool hasQuick3DImport);
     void removeMaterial(const ModelNode &material);
     void updateMaterialName(const ModelNode &material);
@@ -73,6 +77,7 @@ public:
 signals:
     void isEmptyChanged();
     void hasQuick3DImportChanged();
+    void hasModelSelectionChanged();
     void selectedIndexChanged(int idx);
     void renameMaterialTriggered(const QmlDesigner::ModelNode &material, const QString &newName);
     void applyToSelectedTriggered(const QmlDesigner::ModelNode &material, bool add = false);
@@ -89,6 +94,7 @@ private:
     int m_selectedIndex = 0;
     bool m_isEmpty = true;
     bool m_hasQuick3DImport = false;
+    bool m_hasModelSelection = false;
 };
 
 } // namespace QmlDesigner

src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp

@@ -118,10 +118,6 @@ void MaterialBrowserView::modelAboutToBeDetached(Model *model)
 void MaterialBrowserView::selectedNodesChanged(const QList<ModelNode> &selectedNodeList,
                                                const QList<ModelNode> &lastSelectedNodeList)
 {
-    if (!m_autoSelectModelMaterial)
-        return;
-
-    // if selected object is a model, select its material in the material browser and editor
     ModelNode selectedModel;
 
     for (const ModelNode &node : selectedNodeList) {
@@ -131,6 +127,11 @@ void MaterialBrowserView::selectedNodesChanged(const QList<ModelNode> &selectedN
         }
     }
 
+    m_widget->materialBrowserModel()->setHasModelSelection(selectedModel.isValid());
+
+    if (!m_autoSelectModelMaterial)
+        return;
+
     if (selectedNodeList.size() > 1 || !selectedModel.isValid())
         return;
 
@@ -144,6 +145,7 @@ void MaterialBrowserView::selectedNodesChanged(const QList<ModelNode> &selectedN
     if (!mat.isValid())
         return;
 
+    // if selected object is a model, select its material in the material browser and editor
     int idx = m_widget->materialBrowserModel()->materialIndex(mat);
     m_widget->materialBrowserModel()->selectMaterial(idx);
 }

src/plugins/qmldesigner/components/materialeditor/materialeditorcontextobject.cpp

@@ -233,6 +233,20 @@ void MaterialEditorContextObject::setHasQuick3DImport(bool b)
     emit hasQuick3DImportChanged();
 }
 
+bool MaterialEditorContextObject::hasModelSelection() const
+{
+    return m_hasModelSelection;
+}
+
+void MaterialEditorContextObject::setHasModelSelection(bool b)
+{
+    if (b == m_hasModelSelection)
+        return;
+
+    m_hasModelSelection = b;
+    emit hasModelSelectionChanged();
+}
+
 void MaterialEditorContextObject::setSelectedMaterial(const ModelNode &matNode)
 {
     m_selectedMaterial = matNode;

src/plugins/qmldesigner/components/materialeditor/materialeditorcontextobject.h

@@ -55,6 +55,7 @@ class MaterialEditorContextObject : public QObject
     Q_PROPERTY(bool hasAliasExport READ hasAliasExport NOTIFY hasAliasExportChanged)
     Q_PROPERTY(bool hasActiveTimeline READ hasActiveTimeline NOTIFY hasActiveTimelineChanged)
     Q_PROPERTY(bool hasQuick3DImport READ hasQuick3DImport WRITE setHasQuick3DImport NOTIFY hasQuick3DImportChanged)
+    Q_PROPERTY(bool hasModelSelection READ hasModelSelection WRITE setHasModelSelection NOTIFY hasModelSelectionChanged)
 
     Q_PROPERTY(QQmlPropertyMap *backendValues READ backendValues WRITE setBackendValues NOTIFY backendValuesChanged)
 
@@ -104,6 +105,9 @@ public:
     bool hasQuick3DImport() const;
     void setHasQuick3DImport(bool b);
 
+    bool hasModelSelection() const;
+    void setHasModelSelection(bool b);
+
     bool hasAliasExport() const { return m_aliasExport; }
 
     void setSelectedMaterial(const ModelNode &matNode);
@@ -130,6 +134,7 @@ signals:
     void hasAliasExportChanged();
     void hasActiveTimelineChanged();
     void hasQuick3DImportChanged();
+    void hasModelSelectionChanged();
 
 private:
     QUrl m_specificsUrl;
@@ -150,6 +155,7 @@ private:
     bool m_aliasExport = false;
     bool m_hasActiveTimeline = false;
     bool m_hasQuick3DImport = false;
+    bool m_hasModelSelection = false;
 
     ModelNode m_selectedMaterial;
 };

src/plugins/qmldesigner/components/materialeditor/materialeditorview.cpp

@@ -677,6 +677,8 @@ void MaterialEditorView::selectedNodesChanged(const QList<ModelNode> &selectedNo
         if (node.isSubclassOf("QtQuick3D.Model"))
             m_selectedModels.append(node);
     }
+
+    m_qmlBackEnd->contextObject()->setHasModelSelection(!m_selectedModels.isEmpty());
 }
 
 void MaterialEditorView::currentStateChanged(const ModelNode &node)