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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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 KTFILETREEDIRITEM_H
#define KTFILETREEDIRITEM_H
#include <klistview.h>
#include <util/constants.h>
#include <util/ptrmap.h>
namespace kt
{
using namespace bt;
class FileTreeItem;
class TorrentFileInterface;
class TorrentInterface;
class FileTreeRootListener
{
public:
/// An item in the file tree has changed his state
virtual void treeItemChanged() = 0;
};
/**
* @author Joris Guisson
*
* Directory item the file tree showing the files in a multifile torrent
*/
class FileTreeDirItem : public QCheckListItem
{
protected:
QString name;
Uint64 size;
bt::PtrMap<QString,FileTreeItem> children;
bt::PtrMap<QString,FileTreeDirItem> subdirs;
FileTreeDirItem* parent;
bool manual_change;
FileTreeRootListener* root_listener;
public:
FileTreeDirItem(KListView* klv,const QString & name,FileTreeRootListener* rl = 0);
FileTreeDirItem(FileTreeDirItem* parent,const QString & name);
virtual ~FileTreeDirItem();
/// Get the path of the directory (if this is the root directory / will be returned)
QString getPath() const;
/**
* Recursively insert a TorrentFileInterface.
* @param path Path of file
* @param file File itself
*/
void insert(const QString & path,kt::TorrentFileInterface & file);
/**
* Recursivly walk the tree to find the TorrentFile which
* is shown by a QListViewItem (which should be an FileTreeItem).
* If item can't be found or item is an FileTreeDirItem, a reference to
* TorrentFile::null will be returned. In which case the isNull() function
* of TorrentFile will return true
* @param item Pointer to the QListViewItem
* @return A reference to the TorrentFile
*/
kt::TorrentFileInterface & findTorrentFile(QListViewItem* item);
/**
* Set all items checked or not.
* @param on true everything checked, false everything not checked
* @param keep_data In case of unchecking keep the data or not
*/
void setAllChecked(bool on,bool keep_data = false);
/**
* Invert all items, checked items become unchecked and unchecked become checked.
*/
void invertChecked();
/**
* Called by the child to notify the parent it's state has changed.
*/
void childStateChange();
FileTreeDirItem* getParent() {return parent;}
/// Recusively get the total number of bytes to download
Uint64 bytesToDownload() const;
protected:
/**
* Can be overrided by subclasses, so they can use their own
* custom FileTreeItem's. Will be called in insert.
* @param name Name of the file
* @param file The TorrentFileInterface
* @return A newly created FileTreeItem
*/
virtual FileTreeItem* newFileTreeItem(const QString & name,
TorrentFileInterface & file);
/**
* Can be overrided by subclasses, so they can use their own
* custom FileTreeDirItem's. Will be called in insert.
* @param subdir The name of the subdir
* @return A newly created FileTreeDirItem
*/
virtual FileTreeDirItem* newFileTreeDirItem(const QString & subdir);
/**
* Subclasses should override this if they want to show a confirmation dialog.
* @return What to do (i.e. keep the data, get rid of it or do nothing
*/
virtual bt::ConfirmationResult confirmationDialog();
private:
virtual void stateChange(bool on);
virtual int compare(QListViewItem* i, int col, bool ascending) const;
bool allChildrenOn();
};
}
#endif
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