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Diffstat (limited to 'kftpgrabber/src/widgets/browser/treeview.h')
| -rw-r--r-- | kftpgrabber/src/widgets/browser/treeview.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/kftpgrabber/src/widgets/browser/treeview.h b/kftpgrabber/src/widgets/browser/treeview.h new file mode 100644 index 0000000..220ac88 --- /dev/null +++ b/kftpgrabber/src/widgets/browser/treeview.h @@ -0,0 +1,189 @@ +/* + * This file is part of the KFTPGrabber project + * + * Copyright (C) 2003-2004 by the KFTPGrabber developers + * Copyright (C) 2003-2004 Jernej Kos <kostko@jweb-network.net> + * + * 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 + * is provided AS IS, WITHOUT ANY WARRANTY; without even the implied + * warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and + * NON-INFRINGEMENT. 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 Steet, Fifth Floor, Boston, + * MA 02110-1301, USA. + * + * In addition, as a special exception, the copyright holders give + * permission to link the code of portions of this program with the + * OpenSSL library under certain conditions as described in each + * individual source file, and distribute linked combinations + * including the two. + * You must obey the GNU General Public License in all respects + * for all of the code used other than OpenSSL. If you modify + * file(s) with this exception, you may extend this exception to your + * version of the file(s), but you are not obligated to do so. If you + * do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source + * files in the program, then also delete it here. + */ + +#ifndef KFTPFILEDIRTREEVIEW_H +#define KFTPFILEDIRTREEVIEW_H + +#include <klistview.h> +#include <klocale.h> +#include <kurl.h> + +#include <qpixmap.h> +#include <qdict.h> + +namespace KFTPWidgets { + +namespace Browser { + +class TreeViewItem; + +/** + * This class represents a tree view showing the directory structure. It + * should usually be used together with a ListView. + * + * @author Jernej Kos + */ +class TreeView : public KListView +{ +Q_OBJECT +friend class ListView; +friend class TreeViewItem; +public: + /** + * Class constructor. + * + * @param parent The parent widget + */ + TreeView(QWidget *parent); + + /** + * Class destructor. + */ + ~TreeView(); + + /** + * Open an URL. + * + * @param url The url to open + */ + int openUrl(const KURL &url, QListViewItem *parent = 0); + + /** + * Remove the folder's child items. + * + * @param url The folder's URL + */ + void clearFolder(const KURL &url); + + /** + * Remove the folder and it's child items. + * + * @param url The folder's URL + */ + void removeFolder(const KURL &url); + + /** + * Create a new folder identified by it's URL and any folders missing + * in the hierarchy. + * + * @param url The folder's URL + * @param icon The icon to use + */ + void createFolder(const KURL &url, QPixmap icon); + + /** + * Clear all items in the view and create a new root item. + * + * @param url The root's new URL + */ + void resetView(const KURL &url); + + /** + * End item update and clear all non-dirty items. + * + * @param url The url to purge + */ + void endUpdate(const KURL &url); +private: + QDict<TreeViewItem> m_treeItems; + bool m_noItemOpen; + + /* Drag & drop support */ + QListViewItem *m_dropItem; + QDragObject *m_dragObject; + + QDragObject *dragObject(); + void startDrag(); + bool acceptDrag(QDropEvent *e); + void contentsDragEnterEvent(QDragEnterEvent *e); + void contentsDragMoveEvent(QDragMoveEvent *e); + void contentsDragLeaveEvent(QDragLeaveEvent*); + void contentsDropEvent(QDropEvent *e); +protected: + QListViewItem *findItem(QListViewItem *parent, const QString &name); +private slots: + void slotClicked(QListViewItem *item); + void slotDoubleClicked(QListViewItem *item); +signals: + void pathChanged(const KURL &url); +}; + +/** + * This class represents an item in the tree view. + * + * @author Jernej Kos + */ +class TreeViewItem : public QListViewItem +{ +friend class TreeView; +public: + /** + * Class constructor. + * + * @param parent The parent tree view + * @param url This item's URL + */ + TreeViewItem(TreeView *parent, const KURL &url); + + /** + * Class constructor. + * + * @param tree The tree view instance + * @param parent The parent list view item + * @param url This item's URL + */ + TreeViewItem(TreeView *tree, QListViewItem *parent, const KURL &url); + + /** + * Class destructor. + */ + ~TreeViewItem(); +protected: + /** + * @overload + * Reimplemented from QListViewItem to provide proper comparation. + */ + int compare(QListViewItem *i, int col, bool) const; +private: + TreeView *m_tree; + KURL m_url; + bool m_dirty; +}; + +} + +} + +#endif |