Outline: Add context menu for collapsing/expanding tree

Task-number: QTCREATORBUG-2976

src/plugins/cppeditor/cppoutline.cpp

@@ -8,8 +8,9 @@
 #include <cplusplus/OverviewModel.h>
 
 #include <QtCore/QDebug>
-#include <QtGui/QVBoxLayout>
 #include <QtCore/QTimer>
+#include <QtGui/QVBoxLayout>
+#include <QtGui/QMenu>
 
 using namespace CppEditor::Internal;
 
@@ -25,6 +26,21 @@ CppOutlineTreeView::CppOutlineTreeView(QWidget *parent) :
     setExpandsOnDoubleClick(false);
 }
 
+void CppOutlineTreeView::contextMenuEvent(QContextMenuEvent *event)
+{
+    if (!event)
+        return;
+
+    QMenu contextMenu;
+
+    contextMenu.addAction(tr("Expand All"), this, SLOT(expandAll()));
+    contextMenu.addAction(tr("Collapse All"), this, SLOT(collapseAll()));
+
+    contextMenu.exec(event->globalPos());
+
+    event->accept();
+}
+
 CppOutlineFilterModel::CppOutlineFilterModel(CPlusPlus::OverviewModel *sourceModel, QObject *parent) :
     QSortFilterProxyModel(parent),
     m_sourceModel(sourceModel)

src/plugins/cppeditor/cppoutline.h

@@ -17,6 +17,8 @@ class CppOutlineTreeView : public Utils::NavigationTreeView
     Q_OBJECT
 public:
     CppOutlineTreeView(QWidget *parent);
+
+    void contextMenuEvent(QContextMenuEvent *event);
 };
 
 class CppOutlineFilterModel : public QSortFilterProxyModel

src/plugins/qmljseditor/qmljsoutlinetreeview.cpp

@@ -2,6 +2,7 @@
 #include "qmloutlinemodel.h"
 
 #include <utils/annotateditemdelegate.h>
+#include <QtGui/QMenu>
 
 namespace QmlJSEditor {
 namespace Internal {
@@ -26,5 +27,31 @@ QmlJSOutlineTreeView::QmlJSOutlineTreeView(QWidget *parent) :
     setItemDelegateForColumn(0, itemDelegate);
 }
 
+void QmlJSOutlineTreeView::contextMenuEvent(QContextMenuEvent *event)
+{
+    if (!event)
+        return;
+
+    QMenu contextMenu;
+
+    contextMenu.addAction(tr("Expand All"), this, SLOT(expandAll()));
+    contextMenu.addAction(tr("Collapse All"), this, SLOT(collapseAllExceptRoot()));
+
+    contextMenu.exec(event->globalPos());
+
+    event->accept();
+}
+
+void QmlJSOutlineTreeView::collapseAllExceptRoot()
+{
+    if (!model())
+        return;
+    const QModelIndex rootElementIndex = model()->index(0, 0, rootIndex());
+    int rowCount = model()->rowCount(rootElementIndex);
+    for (int i = 0; i < rowCount; ++i) {
+        collapse(model()->index(i, 0, rootElementIndex));
+    }
+}
+
 } // namespace Internal
 } // namespace QmlJSEditor

src/plugins/qmljseditor/qmljsoutlinetreeview.h

@@ -11,6 +11,11 @@ class QmlJSOutlineTreeView : public Utils::NavigationTreeView
     Q_OBJECT
 public:
     explicit QmlJSOutlineTreeView(QWidget *parent = 0);
+
+    void contextMenuEvent(QContextMenuEvent *event);
+
+private slots:
+    void collapseAllExceptRoot();
 };
 
 } // namespace Internal