Fix temporary regression of sorting introduced by SVN commit 1126410

[dolphin.git] / src / dolphindetailsview.h

diff --git a/src/dolphindetailsview.h b/src/dolphindetailsview.h
index 7707c077319394d801c0788b457c88ed4e51c70c..1dff8fe59d3708f8b66f1529949f842e1a3cc9b5 100644 (file)
--- a/src/dolphindetailsview.h
+++ b/src/dolphindetailsview.h
@@ -25,9 +25,9 @@
 #include <QTreeView>
 #include <libdolphin_export.h>
 
-class DolphinController;
-class SelectionManager;
-class DolphinViewAutoScroller;
+class DolphinViewController;
+class DolphinSortFilterProxyModel;
+class ViewExtensionsFactory;
 
 /**
  * @brief Represents the details view which shows the name, size,
@@ -42,9 +42,28 @@ class LIBDOLPHINPRIVATE_EXPORT DolphinDetailsView : public QTreeView
     Q_OBJECT
 
 public:
-    explicit DolphinDetailsView(QWidget* parent, DolphinController* controller);
+    /**
+     * @param parent                Parent widget.
+     * @param dolphinViewController Allows the DolphinDetailsView to control the
+     *                              DolphinView in a limited way.
+     * @param viewModeController    Controller that is used by the DolphinView
+     *                              to control the DolphinDetailsView. The DolphinDetailsView
+     *                              only has read access to the controller.
+     * @param model                 Directory that is shown.
+     */
+    explicit DolphinDetailsView(QWidget* parent,
+                                DolphinViewController* dolphinViewController,
+                                const ViewModeController* viewModeController,
+                                DolphinSortFilterProxyModel* model);
     virtual ~DolphinDetailsView();
 
+    /**
+     * Returns a set containing the URLs of all expanded items.
+     */
+    QSet<KUrl> expandedUrls() const;
+
+    virtual QRegion visualRegionForSelection(const QItemSelection& selection) const;
+
 protected:
     virtual bool event(QEvent* event);
     virtual QStyleOptionViewItem viewOptions() const;
@@ -65,8 +84,9 @@ protected:
     virtual void currentChanged(const QModelIndex& current, const QModelIndex& previous);
     virtual bool eventFilter(QObject* watched, QEvent* event);
     virtual QModelIndex indexAt (const QPoint& point) const;
+    virtual QRect visualRect(const QModelIndex& index) const;
     virtual void setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags command);
-    virtual void scrollTo (const QModelIndex & index, ScrollHint hint = EnsureVisible);
+    virtual void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible);
 
 private slots:
     /**
@@ -117,12 +137,21 @@ private slots:
 
     /**
      * Opens a context menu at the position \a pos and allows to
-     * configure the visibility of the header columns.
+     * configure the visibility of the header columns and whether
+     * expandable folders should be shown.
      */
-    void configureColumns(const QPoint& pos);
+    void configureSettings(const QPoint& pos);
 
+    /**
+     * Updates the visibilty state of columns and their order.
+     */
     void updateColumnVisibility();
 
+    /**
+     * Saves order of the columns as global setting.
+     */
+    void saveColumnPositions();
+
     /**
      * Disables the automatical resizing of columns, if the user has resized the columns
      * with the mouse.
@@ -143,7 +172,7 @@ private slots:
 
     void requestActivation();
 
-    void updateFont();
+    void slotGlobalSettingsChanged(int category);
 
     /**
      * If the elastic band is currently shown, update the elastic band based on
@@ -152,7 +181,29 @@ private slots:
      */
     void updateElasticBandSelection();
 
+    /**
+     * If \a expandable is true, the details view acts as tree view.
+     * The current expandable state is remembered in the settings.
+     */
+    void setFoldersExpandable(bool expandable);
+
+    /**
+     * These slots update the list of expanded items.
+     */
+    void slotExpanded(const QModelIndex& index);
+    void slotCollapsed(const QModelIndex& index);
+
+protected slots:
+
+    virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
+
 private:
+    /**
+     * Removes the URLs corresponding to the children of \a index in the rows
+     * between \a start and \a end inclusive from the set of expanded URLs.
+     */
+    void removeExpandedIndexes(const QModelIndex& parent, int start, int end);
+
     /**
      * Updates the size of the decoration dependent on the
      * icon size of the DetailsModeSettings. The controller
@@ -168,7 +219,15 @@ private:
      */
     void resizeColumns();
 
-    QRect nameColumnRect(const QModelIndex& index) const;
+    /**
+     * Returns true, if \a pos is within the expanding toggle of a tree.
+     */
+    bool isAboveExpandingToggle(const QPoint& pos) const;
+
+    /**
+     * Sets the maximum size available for editing in the delegate.
+     */
+    void adjustMaximumSizeForEditing(const QModelIndex& index);
 
 private:
     bool m_autoResize : 1;        // if true, the columns are resized automatically to the available width
@@ -177,9 +236,16 @@ private:
     bool m_useDefaultIndexAt : 1; // true, if QTreeView::indexAt() should be used
     bool m_ignoreScrollTo : 1;    // true if calls to scrollTo(...) should do nothing.
 
-    DolphinController* m_controller;
-    SelectionManager* m_selectionManager;
-    DolphinViewAutoScroller* m_autoScroller;
+    DolphinViewController* m_dolphinViewController;
+    const ViewModeController* m_viewModeController;
+    ViewExtensionsFactory* m_extensionsFactory;
+    QAction* m_expandableFoldersAction;
+
+    // A set containing the URLs of all currently expanded folders.
+    // We cannot use a QSet<QModelIndex> because a QModelIndex is not guaranteed to remain valid over time.
+    // Also a QSet<QPersistentModelIndex> does not work as expected because it is not guaranteed that
+    // subsequent expand/collapse events of the same file item will yield the same QPersistentModelIndex.
+    QSet<KUrl> m_expandedUrls;
 
     QFont m_font;
     QSize m_decorationSize;