Allow designeractions to target specific views

This is needed for the "connect signal to event dialog" which resides in
a different plugin but needs to be opened from the connection editor.

Change-Id: I9e200791831fa46d65e5f833e14a0d893fc29432
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/qmldesigner/components/componentcore/actioninterface.h

@@ -53,6 +53,11 @@ public:
         LowestPriority = ComponentCoreConstants::priorityLast
     };
 
+    enum class Target {
+        Undefined,
+        ConnectionEditor
+    };
+
     virtual ~ActionInterface() = default;
 
     virtual QAction *action() const = 0;
@@ -61,6 +66,7 @@ public:
     virtual int priority() const = 0;
     virtual Type type() const = 0;
     virtual void currentContextChanged(const SelectionContext &selectionState) = 0;
+    virtual Target target() const { return Target::Undefined; }
 
 };
 

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

@@ -1461,6 +1461,16 @@ void DesignerActionManager::addCreatorCommand(Core::Command *command, const QByt
     addDesignerAction(new CommandAction(command, category, priority, overrideIcon));
 }
 
+QList<QSharedPointer<ActionInterface> > DesignerActionManager::actionsForTarget(const ActionInterface::Target &target)
+{
+    QList<QSharedPointer<ActionInterface> > out;
+    for (auto interface : m_designerActions)
+        if (interface->target() == target)
+            out << interface;
+
+    return out;
+}
+
 QList<ActionInterface* > DesignerActionManager::designerActions() const
 {
     return Utils::transform(m_designerActions, [](const QSharedPointer<ActionInterface> &pointer) {

src/plugins/qmldesigner/components/componentcore/designeractionmanager.h

@@ -106,6 +106,9 @@ public:
     void addDesignerAction(ActionInterface *newAction);
     void addCreatorCommand(Core::Command *command, const QByteArray &category, int priority,
                            const QIcon &overrideIcon = QIcon());
+
+    QList<QSharedPointer<ActionInterface>> actionsForTarget(const ActionInterface::Target &target);
+
     QList<ActionInterface* > designerActions() const;
 
     void createDefaultDesignerActions();

src/plugins/qmldesigner/components/connectioneditor/connectionviewwidget.cpp

@@ -172,6 +172,16 @@ void ConnectionViewWidget::contextMenuEvent(QContextMenuEvent *event)
                 m_connectionEditor->updateWindowName();
             });
 
+            QMap<QString, QVariant> data;
+            data["ModelNode"] = index.siblingAtColumn(ConnectionModel::TargetModelNodeRow).data();
+            data["Signal"] = index.siblingAtColumn(ConnectionModel::TargetPropertyNameRow).data();
+            DesignerActionManager &designerActionManager = QmlDesignerPlugin::instance()->designerActionManager();
+            for (auto actionInterface : designerActionManager.actionsForTarget(ActionInterface::Target::ConnectionEditor)) {
+                auto *action = actionInterface->action();
+                action->setData(data);
+                menu.addAction(action);
+            }
+
             menu.exec(event->globalPos());
         }
         break;