QmlDesigner Add Binding Editor support to States

Change-Id: I3ccce5e2bfbbfa0dfba1e438d527fa18348005b5
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

share/qtcreator/qmldesigner/statesEditorQmlSources/StatesDelegate.qml

@@ -114,6 +114,7 @@ Rectangle {
                     var y = root.mapToGlobal(0,0).y - 32
                     bindingEditor.showWidget(x, y)
                     bindingEditor.text = delegateWhenConditionString
+                    bindingEditor.prepareBindings()
                 }
 
             }
@@ -205,6 +206,8 @@ Rectangle {
 
         id: bindingEditor
 
+        stateModelNodeProperty: statesEditorModel.stateModelNode()
+
         onRejected: {
             hideWidget()
         }

src/plugins/qmldesigner/components/bindingeditor/bindingeditor.cpp

@@ -134,7 +134,7 @@ bool BindingEditorWidget::event(QEvent *event)
 TextEditor::AssistInterface *BindingEditorWidget::createAssistInterface(
         TextEditor::AssistKind assistKind, TextEditor::AssistReason assistReason) const
 {
-    Q_UNUSED(assistKind);
+    Q_UNUSED(assistKind)
     return new QmlJSEditor::QmlJSCompletionAssistInterface(
                 document(), position(), QString(),
                 assistReason, qmljsdocument->semanticInfo());
@@ -489,26 +489,39 @@ void BindingEditor::setModelNodeBackend(const QVariant &modelNodeBackend)
     if (!modelNodeBackend.isNull() && modelNodeBackend.isValid()) {
         m_modelNodeBackend = modelNodeBackend;
 
-        emit modelNodeBackendChanged();
-    }
-}
-
-void BindingEditor::prepareBindings()
-{
-    if (m_backendValue.isNull() || m_modelNodeBackend.isNull())
-        return;
-
-    if (!(m_backendValue.isValid() && m_modelNodeBackend.isValid()))
-        return;
-
         const auto modelNodeBackendObject = m_modelNodeBackend.value<QObject*>();
 
         const auto backendObjectCasted =
                 qobject_cast<const QmlDesigner::QmlModelNodeProxy *>(modelNodeBackendObject);
 
         if (backendObjectCasted) {
-        const QmlDesigner::ModelNode a = backendObjectCasted->qmlObjectNode().modelNode();
-        const QList<QmlDesigner::ModelNode> allNodes = a.view()->allModelNodes();
+            m_modelNode = backendObjectCasted->qmlObjectNode().modelNode();
+        }
+
+        emit modelNodeBackendChanged();
+    }
+}
+
+void BindingEditor::setStateModelNode(const QVariant &stateModelNode)
+{
+    if (stateModelNode.isValid())
+    {
+        m_stateModelNode = stateModelNode;
+        m_modelNode = m_stateModelNode.value<QmlDesigner::ModelNode>();
+
+        if (m_modelNode.isValid())
+            m_backendValueTypeName = "bool";
+
+        emit stateModelNodeChanged();
+    }
+}
+
+void BindingEditor::prepareBindings()
+{
+    if (!m_modelNode.isValid() || m_backendValueTypeName.isEmpty())
+        return;
+
+    const QList<QmlDesigner::ModelNode> allNodes = m_modelNode.view()->allModelNodes();
 
     QList<BindingEditorDialog::BindingOption> bindings;
 
@@ -526,7 +539,6 @@ void BindingEditor::prepareBindings()
 
     if (!bindings.isEmpty() && !m_dialog.isNull())
         m_dialog->setAllBindings(bindings);
-    }
 }
 
 QVariant BindingEditor::backendValue() const
@@ -539,5 +551,10 @@ QVariant BindingEditor::modelNodeBackend() const
     return m_modelNodeBackend;
 }
 
+QVariant BindingEditor::stateModelNode() const
+{
+    return m_stateModelNode;
+}
+
 
 }

src/plugins/qmldesigner/components/bindingeditor/bindingeditor.h

@@ -144,6 +144,7 @@ class BindingEditor : public QObject
     Q_PROPERTY(QString text READ bindingValue WRITE setBindingValue)
     Q_PROPERTY(QVariant backendValueProperty READ backendValue WRITE setBackendValue NOTIFY backendValueChanged)
     Q_PROPERTY(QVariant modelNodeBackendProperty READ modelNodeBackend WRITE setModelNodeBackend NOTIFY modelNodeBackendChanged)
+    Q_PROPERTY(QVariant stateModelNodeProperty READ stateModelNode WRITE setStateModelNode NOTIFY stateModelNodeChanged)
 
 public:
     BindingEditor(QObject *parent = nullptr);
@@ -159,6 +160,7 @@ public:
 
     void setBackendValue(const QVariant &backendValue);
     void setModelNodeBackend(const QVariant &modelNodeBackend);
+    void setStateModelNode(const QVariant &stateModelNode);
 
     Q_INVOKABLE void prepareBindings();
 
@@ -167,15 +169,19 @@ signals:
     void rejected();
     void backendValueChanged();
     void modelNodeBackendChanged();
+    void stateModelNodeChanged();
 
 private:
     QVariant backendValue() const;
     QVariant modelNodeBackend() const;
+    QVariant stateModelNode() const;
 
 private:
     QPointer<BindingEditorDialog> m_dialog;
     QVariant m_backendValue;
     QVariant m_modelNodeBackend;
+    QVariant m_stateModelNode;
+    QmlDesigner::ModelNode m_modelNode;
     TypeName m_backendValueTypeName;
 };
 

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

@@ -216,4 +216,9 @@ QStringList StatesEditorModel::autoComplete(const QString &text, int pos, bool e
     return QStringList();
 }
 
+QVariant StatesEditorModel::stateModelNode()
+{
+    return QVariant::fromValue(m_statesEditorView->currentStateNode());
+}
+
 } // namespace QmlDesigner

src/plugins/qmldesigner/components/stateseditor/stateseditormodel.h

@@ -61,6 +61,7 @@ public:
     Q_INVOKABLE void setWhenCondition(int internalNodeId, const QString &condition);
     Q_INVOKABLE void resetWhenCondition(int internalNodeId);
     Q_INVOKABLE QStringList autoComplete(const QString &text, int pos, bool explicitComplete);
+    Q_INVOKABLE QVariant stateModelNode();
 
     void reset();