Fix crash when expanding/closing a sub-tree

[dolphin.git] / src / views / dolphinview.cpp

diff --git a/src/views/dolphinview.cpp b/src/views/dolphinview.cpp
index 53171966c89f7f8e75a0de2d8bad4b56ed8101f0..7cb594d8e91c825e2a90e67737c1cd745c863ac5 100644 (file)
--- a/src/views/dolphinview.cpp
+++ b/src/views/dolphinview.cpp
@@ -22,10 +22,12 @@
 
 #include <QAbstractItemView>
 #include <QApplication>
+#include <QBoxLayout>
 #include <QClipboard>
+#include <QDropEvent>
+#include <QGraphicsSceneDragDropEvent>
 #include <QKeyEvent>
 #include <QItemSelection>
-#include <QBoxLayout>
 #include <QTimer>
 #include <QScrollBar>
 
@@ -60,8 +62,10 @@
 #include "dolphin_detailsmodesettings.h"
 #include "dolphin_generalsettings.h"
 #include "dolphinitemlistcontainer.h"
+#include "draganddrophelper.h"
 #include "renamedialog.h"
 #include "settings/dolphinsettings.h"
+#include "versioncontrol/versioncontrolobserver.h"
 #include "viewmodecontroller.h"
 #include "viewproperties.h"
 #include "views/tooltips/tooltipmanager.h"
@@ -89,7 +93,8 @@ DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
     m_currentItemIndex(-1),
     m_restoredContentsPosition(),
     m_createdItemUrl(),
-    m_selectedItems()
+    m_selectedItems(),
+    m_versionControlObserver(0)
 {
     m_topLayout = new QVBoxLayout(this);
     m_topLayout->setSpacing(0);
@@ -172,6 +177,8 @@ DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
     connect(controller, SIGNAL(itemExpansionToggleClicked(int)), this, SLOT(slotItemExpansionToggleClicked(int)));
     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
+    connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
+    connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 
     KItemListSelectionManager* selectionManager = controller->selectionManager();
     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
@@ -179,6 +186,12 @@ DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
 
     m_toolTipManager = new ToolTipManager(this);
 
+    m_versionControlObserver = new VersionControlObserver(this);
+    m_versionControlObserver->setModel(fileItemModel());
+    connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
+    connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
+    connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
+
     applyViewProperties();
     m_topLayout->addWidget(m_container);
 
@@ -505,8 +518,16 @@ QString DolphinView::statusBarText() const
 
 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 {
-    Q_UNUSED(items);
-    return QList<QAction*>(); //m_dolphinViewController->versionControlActions(items);
+    QList<QAction*> actions;
+
+    if (items.isEmpty()) {
+        const KFileItem item = fileItemModel()->rootItem();
+        actions = m_versionControlObserver->actions(KFileItemList() << item);
+    } else {
+        actions = m_versionControlObserver->actions(items);
+    }
+
+    return actions;
 }
 
 void DolphinView::setUrl(const KUrl& url)
@@ -776,6 +797,28 @@ void DolphinView::slotItemUnhovered(int index)
     emit requestItemInfo(KFileItem());
 }
 
+void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
+{
+    const KFileItem destItem = fileItemModel()->fileItem(index);
+
+    QDropEvent dropEvent(event->pos().toPoint(),
+                         event->possibleActions(),
+                         event->mimeData(),
+                         event->buttons(),
+                         event->modifiers());
+
+    DragAndDropHelper::dropUrls(destItem, url(), &dropEvent, this);
+}
+
+void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
+{
+    Q_UNUSED(previous);
+    Q_ASSERT(qobject_cast<KFileItemModel*>(current));
+
+    KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
+    m_versionControlObserver->setModel(fileItemModel);
+}
+
 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 {
     const int currentCount = current.count();