QmlDesigner: Add ModelNode::ensureIdExists()

Calling ModelNode::validId() and don't get the value looks a little bit
strange.

Removing the refactoring step too. If there was no id, why it should be
refactored?

Change-Id: I0ec31f2e9a654635bcdb815e7ab1236506d37d2b
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/qmldesigner/components/componentcore/modelnodeoperations.cpp

@@ -1622,7 +1622,7 @@ void addMouseAreaFill(const SelectionContext &selectionContext)
                 QmlDesigner::ModelNode mouseAreaNode = selectionContext.view()->createModelNode(
                     "QtQuick.MouseArea", itemMetaInfo.majorVersion(), itemMetaInfo.minorVersion());
 #endif
-                mouseAreaNode.validId();
+                mouseAreaNode.ensureIdExists();
 
                 modelNode.defaultNodeListProperty().reparentHere(mouseAreaNode);
                 QmlItemNode mouseAreaItemNode(mouseAreaNode);

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

@@ -55,7 +55,7 @@ void MaterialUtils::assignMaterialTo3dModel(AbstractView *view, const ModelNode
                                                     metaInfo.majorVersion(),
                                                     metaInfo.minorVersion());
 #endif
-            newMaterialNode.validId();
+            newMaterialNode.ensureIdExists();
         }
     }
 

src/plugins/qmldesigner/components/stateseditor/stateseditorview.cpp

@@ -171,7 +171,7 @@ void StatesEditorView::createNewState()
     }
 
     executeInTransaction("createNewState", [this, newStateName]() {
-        activeStatesGroupNode().validId();
+        activeStatesGroupNode().ensureIdExists();
 
         ModelNode newState = activeStateGroup().addState(newStateName);
         setCurrentState(newState);

src/plugins/qmldesigner/components/textureeditor/textureeditorview.cpp

@@ -388,7 +388,7 @@ void TextureEditorView::handleToolBarAction(int action)
                                                        metaInfo.majorVersion(),
                                                        metaInfo.minorVersion());
 #endif
-            newTextureNode.validId();
+            newTextureNode.ensureIdExists();
             matLib.defaultNodeListProperty().reparentHere(newTextureNode);
         });
         break;
@@ -770,7 +770,7 @@ void TextureEditorView::duplicateTexture(const ModelNode &texture)
         QmlObjectNode duplicateTex = createModelNode(matType, metaInfo.majorVersion(), metaInfo.minorVersion());
 #endif
         duplicateTextureNode = duplicateTex .modelNode();
-        duplicateTextureNode.validId();
+        duplicateTextureNode.ensureIdExists();
 
         // sync properties. Only the base state is duplicated.
         const QList<AbstractProperty> props = texture.properties();

src/plugins/qmldesigner/components/timelineeditor/timelineactions.cpp

@@ -90,7 +90,7 @@ void TimelineActions::pasteKeyframesToTarget(const ModelNode &targetNode,
         view.executeInTransaction("TimelineActions::pasteKeyframesToTarget", [=, &view](){
 
             ModelNode nonConstTargetNode = targetNode;
-            nonConstTargetNode.validId();
+            nonConstTargetNode.ensureIdExists();
 
             if (QmlTimelineKeyframeGroup::checkKeyframesType(rootNode)) {
                 /* Single selection */

src/plugins/qmldesigner/components/timelineeditor/timelineview.cpp

@@ -349,7 +349,7 @@ const QmlTimeline TimelineView::addNewTimeline()
                                        metaInfo.majorVersion(),
                                        metaInfo.minorVersion());
 #endif
-        timelineNode.validId();
+        timelineNode.ensureIdExists();
 
         timelineNode.variantProperty("startFrame").setValue(0);
         timelineNode.variantProperty("endFrame").setValue(1000);
@@ -390,7 +390,7 @@ ModelNode TimelineView::addAnimation(QmlTimeline timeline)
                                         metaInfo.minorVersion());
         animationNode.variantProperty("duration").setValue(timeline.duration());
 #endif
-        animationNode.validId();
+        animationNode.ensureIdExists();
 
         animationNode.variantProperty("from").setValue(timeline.startKeyframe());
         animationNode.variantProperty("to").setValue(timeline.endKeyframe());

src/plugins/qmldesigner/components/transitioneditor/transitioneditorview.cpp

@@ -252,7 +252,7 @@ ModelNode TransitionEditorView::addNewTransition()
                                           }});
 #endif
                 transition.setAuxiliaryData(transitionDurationProperty, 2000);
-                transition.validId();
+                transition.ensureIdExists();
                 root.nodeListProperty("transitions").reparentHere(transition);
 
                 for (auto it = idPropertyList.cbegin(); it != idPropertyList.cend(); ++it) {

src/plugins/qmldesigner/designercore/include/modelnode.h

@@ -152,7 +152,8 @@ public:
     void destroy();
 
     QString id() const;
-    QString validId();
+    void ensureIdExists();
+    [[nodiscard]] QString validId();
     void setIdWithRefactoring(const QString &id);
     void setIdWithoutRefactoring(const QString &id);
     static bool isValidId(const QString &id);

src/plugins/qmldesigner/designercore/model/modelnode.cpp

@@ -80,10 +80,15 @@ QString ModelNode::id() const
     return m_internalNode->id;
 }
 
+void ModelNode::ensureIdExists()
+{
+    if (!hasId())
+        setIdWithoutRefactoring(model()->generateNewId(simplifiedTypeName()));
+}
+
 QString ModelNode::validId()
 {
-    if (id().isEmpty())
-        setIdWithRefactoring(model()->generateNewId(simplifiedTypeName()));
+    ensureIdExists();
 
     return id();
 }

src/plugins/qmldesigner/designercore/model/qmlobjectnode.cpp

@@ -39,7 +39,7 @@ void QmlObjectNode::setVariantProperty(const PropertyName &name, const QVariant
         return;
 
     if (timelineIsActive() && currentTimeline().isRecording()) {
-        modelNode().validId();
+        modelNode().ensureIdExists();
 
         QmlTimelineKeyframeGroup timelineFrames(currentTimeline().keyframeGroup(modelNode(), name));
 
@@ -69,7 +69,7 @@ void QmlObjectNode::setVariantProperty(const PropertyName &name, const QVariant
     if (isInBaseState()) {
         modelNode().variantProperty(name).setValue(value); //basestate
     } else {
-        modelNode().validId();
+        modelNode().ensureIdExists();
 
         QmlPropertyChanges changeSet(currentState().propertyChanges(modelNode()));
         Q_ASSERT(changeSet.isValid());
@@ -88,7 +88,7 @@ void QmlObjectNode::setBindingProperty(const PropertyName &name, const QString &
     if (isInBaseState()) {
         modelNode().bindingProperty(name).setExpression(expression); //basestate
     } else {
-        modelNode().validId();
+        modelNode().ensureIdExists();
 
         QmlPropertyChanges changeSet(currentState().propertyChanges(modelNode()));
         Q_ASSERT(changeSet.isValid());
@@ -338,7 +338,7 @@ void QmlObjectNode::ensureAliasExport()
         return;
 
     if (!isAliasExported()) {
-        modelNode().validId();
+        modelNode().ensureIdExists();
         ModelNode rootModelNode = view()->rootModelNode();
         rootModelNode.bindingProperty(modelNode().id().toUtf8()).
             setDynamicTypeNameAndExpression("alias", modelNode().id());