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/*
* This file is part of the KFTPGrabber project
*
* Copyright (C) 2003-2006 by the KFTPGrabber developers
* Copyright (C) 2003-2006 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 KFTPWIDGETS_BROWSERLOCATIONNAVIGATOR_H
#define KFTPWIDGETS_BROWSERLOCATIONNAVIGATOR_H
#include <tqobject.h>
#include <tqvaluelist.h>
#include <kurl.h>
namespace KFTPWidgets {
namespace Browser {
class DetailsView;
/**
* This class contains the current navigational history and enables
* moving through it.
*
* @author Jernej Kos
*/
class LocationNavigator : public TQObject {
Q_OBJECT
public:
/**
* An Element instance represents one history element. The class contains
* information about the URL, the selected item and the contents position.
*/
class Element {
public:
/**
* Class constructor.
*/
Element();
/**
* Class constructor.
*
* @param url Element's URL
*/
Element(const KURL &url);
/**
* Returns the element's URL.
*/
const KURL &url() const { return m_url; }
/**
* Set currently selected filename.
*
* @param filename The filename of the currently selected item
*/
void setCurrentFilename(const TQString &filename) { m_currentFilename = filename; }
/**
* Returns the selected filename.
*/
const TQString ¤tFilename() const { return m_currentFilename; }
/**
* Set current contents X position.
*
* @param x Contents X position
*/
void setContentsX(int x) { m_contentsX = x; }
/**
* Returns the saved contents X position.
*/
int contentsX() const { return m_contentsX; }
/**
* Set current contents Y position.
*
* @param y Contents Y position
*/
void setContentsY(int y) { m_contentsY = y; }
/**
* Returns the saved contents Y position.
*/
int contentsY() const { return m_contentsY; }
private:
KURL m_url;
TQString m_currentFilename;
int m_contentsX;
int m_contentsY;
};
/**
* Class constructor.
*
* @param view Parent view
*/
LocationNavigator(DetailsView *view);
/**
* Set a new current URL. Calling this will emit the urlChanged signal.
*
* @param url Wanted URL
*/
void setUrl(const KURL &url);
/**
* Returns the current URL.
*/
const KURL &url() const;
/**
* Returns the current history elements.
*
* @param index Variable to save the current history position to
* @return Current history element list
*/
const TQValueList<Element> history(int &index) const;
/**
* Go one history hop back.
*/
void goBack();
/**
* Go one history hop forward.
*/
void goForward();
/**
* Go up in the directory structure.
*/
void goUp();
/**
* Go the the predefined home URL.
*/
void goHome();
/**
* Set the home URL.
*
* @param url URL to use as home URL
*/
void setHomeUrl(const KURL &url) { m_homeUrl = url; }
/**
* Clear current history.
*/
void clear();
signals:
/**
* This signal is emitted whenever the current URL changes.
*
* @param url The new URL
*/
void urlChanged(const KURL &url);
/**
* This signal is emitted whenever the history is updated.
*/
void historyChanged();
private slots:
void slotContentsMoved(int x, int y);
private:
DetailsView *m_view;
int m_historyIndex;
TQValueList<Element> m_history;
KURL m_homeUrl;
void updateCurrentElement();
};
}
}
#endif
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