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/***************************************************************************
* Copyright (C) 2006 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef TREEVIEWSIDEBARPAGE_H
#define TREEVIEWSIDEBARPAGE_H
#include <kurl.h>
#include <sidebarpage.h>
class KDirLister;
class DolphinModel;
class DolphinSortFilterProxyModel;
class SidebarTreeView;
class QModelIndex;
/**
* @brief Shows a tree view of the directories starting from
* the currently selected place.
*
* The tree view is always synchronized with the currently active view
* from the main window.
*/
class TreeViewSidebarPage : public SidebarPage
{
Q_OBJECT
public:
TreeViewSidebarPage(QWidget* parent = 0);
virtual ~TreeViewSidebarPage();
/** @see QWidget::sizeHint() */
virtual QSize sizeHint() const;
public slots:
/**
* Changes the current selection inside the tree to \a url.
*/
virtual void setUrl(const KUrl& url);
protected:
/** @see QWidget::showEvent() */
virtual void showEvent(QShowEvent* event);
/** @see QWidget::contextMenuEvent() */
virtual void contextMenuEvent(QContextMenuEvent* event);
private slots:
/**
* Expands the tree in a way that the item with the URL m_selectedUrl
* gets visible. Is called by TreeViewSidebarPage::updateSelection()
* if the dir lister has been completed.
*/
void expandSelectionParent();
/**
* Updates the active view to the URL
* which is given by the item with the index \a index.
*/
void updateActiveView(const QModelIndex& index);
/**
* Is emitted if the URLs \a urls have been dropped
* to the index \a index. */
void dropUrls(const KUrl::List& urls,
const QModelIndex& index);
/**
* Invokes expandToLeafDir() asynchronously (the expanding
* may not be done in the context of this slot).
*/
void triggerExpanding(const QModelIndex& index);
/**
* Expands all directories to make m_leafDir visible and
* adjusts the selection.
*/
void expandToLeafDir();
/**
* Loads the sub tree to make m_leafDir visible. Is invoked
* indirectly by loadTree() after the directory lister has
* finished loading the root items.
*/
void loadSubTree();
private:
/**
* Initializes the base URL of the tree and expands all
* directories until \a url.
* @param url URL of the leaf directory that should get expanded.
*/
void loadTree(const KUrl& url);
private:
KDirLister* m_dirLister;
DolphinModel* m_dolphinModel;
DolphinSortFilterProxyModel* m_proxyModel;
SidebarTreeView* m_treeView;
KUrl m_leafDir;
};
#endif // TREEVIEWSIDEBARPAGE_H
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