QmlDesigner: Add FlowActionArea support to connection view

Change-Id: I5b7d53ccab299960aed736f6a292e158ec60ce99
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

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

@@ -259,16 +259,18 @@ void ConnectionModel::addConnection()
                 ModelNode newNode = connectionView()->createModelNode("QtQuick.Connections",
                                                                       nodeMetaInfo.majorVersion(),
                                                                       nodeMetaInfo.minorVersion());
-
+                QString source = "print(\"clicked\")";
-                newNode.signalHandlerProperty("onClicked").setSource(QLatin1String("print(\"clicked\")"));
 
                 if (connectionView()->selectedModelNodes().count() == 1) {
-                    const ModelNode selectedNode = connectionView()->selectedModelNodes().constFirst();
+                    ModelNode selectedNode = connectionView()->selectedModelNodes().constFirst();
                     if (QmlItemNode::isValidQmlItemNode(selectedNode))
                         selectedNode.nodeAbstractProperty("data").reparentHere(newNode);
                     else
                         rootModelNode.nodeAbstractProperty(rootModelNode.metaInfo().defaultPropertyName()).reparentHere(newNode);
 
+                    if (QmlItemNode(selectedNode).isFlowActionArea())
+                        source = selectedNode.validId() + ".trigger()";
+
                     if (!connectionView()->selectedModelNodes().constFirst().id().isEmpty())
                     newNode.bindingProperty("target").setExpression(selectedNode.id());
                     else
@@ -277,6 +279,8 @@ void ConnectionModel::addConnection()
                     rootModelNode.nodeAbstractProperty(rootModelNode.metaInfo().defaultPropertyName()).reparentHere(newNode);
                     newNode.bindingProperty("target").setExpression(QLatin1String("parent"));
                 }
+
+                newNode.signalHandlerProperty("onClicked").setSource(source);
             });
         }
     }
@@ -378,6 +382,26 @@ QStringList ConnectionModel::getSignalsForRow(int row) const
     return stringList;
 }
 
+QStringList ConnectionModel::getflowActionTriggerForRow(int row) const
+{
+    QStringList stringList;
+    SignalHandlerProperty signalHandlerProperty = signalHandlerPropertyForRow(row);
+
+    if (signalHandlerProperty.isValid()) {
+        const ModelNode parentModelNode = signalHandlerProperty.parentModelNode();
+        ModelNode targetNode = getTargetNodeForConnection(parentModelNode);
+        if (!targetNode.isValid() && !parentModelNode.isRootNode())
+             targetNode = parentModelNode.parentProperty().parentModelNode();
+         if (targetNode.isValid()) {
+             for (auto &node : targetNode.allSubModelNodesAndThisNode()) {
+                 if (QmlItemNode(node).isFlowActionArea() && node.hasId())
+                     stringList.append(node.id() + ".trigger()");
+             }
+         }
+     }
+     return stringList;
+}
+
 QStringList ConnectionModel::getPossibleSignalsForConnection(const ModelNode &connection) const
 {
     QStringList stringList;

src/plugins/qmldesigner/components/connectioneditor/connectionmodel.h

@@ -54,6 +54,7 @@ public:
     ConnectionView *connectionView() const;
 
     QStringList getSignalsForRow(int row) const;
+    QStringList getflowActionTriggerForRow(int row) const;
     ModelNode getTargetNodeForConnection(const ModelNode &connection) const;
 
     void addConnection();

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

@@ -252,6 +252,12 @@ ConnectionDelegate::ConnectionDelegate(QWidget *parent) : ConnectionEditorDelega
     setItemEditorFactory(factory);
 }
 
+static QString nameForAction(const QString &input)
+{
+    QStringList list = input.split('.');
+    return list.first();
+}
+
 QWidget *ConnectionDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
 
@@ -301,6 +307,11 @@ QWidget *ConnectionDelegate::createEditor(QWidget *parent, const QStyleOptionVie
                 QString source = QString::fromLatin1("{ %1.state = \"%2\" }").arg(rootModelNode.id()).arg(state.name());
                 connectionComboBox->addItem(itemText, source);
             }
+
+            QStringList trigger = connectionModel->getflowActionTriggerForRow(index.row());
+            for (const QString action : trigger) {
+                connectionComboBox->addItem(tr("Activate FlowAction %1").arg(nameForAction(action)), action);
+            }
         }
         connectionComboBox->disableValidator();
     } break;