diff options
Diffstat (limited to 'kftpgrabber/src/widgets/browser/locationnavigator.cpp')
-rw-r--r-- | kftpgrabber/src/widgets/browser/locationnavigator.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/kftpgrabber/src/widgets/browser/locationnavigator.cpp b/kftpgrabber/src/widgets/browser/locationnavigator.cpp new file mode 100644 index 0000000..5be8004 --- /dev/null +++ b/kftpgrabber/src/widgets/browser/locationnavigator.cpp @@ -0,0 +1,173 @@ +/* + * 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. + */ +#include "locationnavigator.h" +#include "detailsview.h" + +namespace KFTPWidgets { + +namespace Browser { + +LocationNavigator::Element::Element() + : m_url(), + m_currentFilename(), + m_contentsX(0), + m_contentsY(0) +{ +} + +LocationNavigator::Element::Element(const KURL &url) + : m_url(url), + m_currentFilename(), + m_contentsX(0), + m_contentsY(0) +{ +} + +LocationNavigator::LocationNavigator(DetailsView *view) + : m_view(view), + m_historyIndex(0) +{ + connect(view, SIGNAL(contentsMoved(int, int)), this, SLOT(slotContentsMoved(int, int))); +} + +void LocationNavigator::setUrl(const KURL &url) +{ + if (m_historyIndex > 0) { + const KURL &nextUrl = m_history[m_historyIndex - 1].url(); + + if (url == nextUrl) { + goForward(); + return; + } + } + + // Check for duplicates + const KURL ¤tUrl = m_history[m_historyIndex].url(); + if (currentUrl == url) + return; + + updateCurrentElement(); + + const QValueListIterator<LocationNavigator::Element> i = m_history.at(m_historyIndex); + m_history.insert(i, Element(url)); + + emit urlChanged(url); + emit historyChanged(); + + // Cleanup history when it becomes too big + if (m_historyIndex > 100) { + m_history.erase(m_history.begin()); + m_historyIndex--; + } +} + +const KURL& LocationNavigator::url() const +{ + return m_history[m_historyIndex].url(); +} + +const QValueList<LocationNavigator::Element> LocationNavigator::history(int &index) const +{ + index = m_historyIndex; + return m_history; +} + +void LocationNavigator::goBack() +{ + updateCurrentElement(); + const int count = m_history.count(); + + if (m_historyIndex < count - 1) { + m_historyIndex++; + + emit urlChanged(url()); + emit historyChanged(); + } +} + +void LocationNavigator::goForward() +{ + if (m_historyIndex > 0) { + m_historyIndex--; + + emit urlChanged(url()); + emit historyChanged(); + } +} + +void LocationNavigator::goUp() +{ + setUrl(url().upURL()); +} + +void LocationNavigator::goHome() +{ + setUrl(m_homeUrl); +} + +void LocationNavigator::clear() +{ + Element element = m_history[m_historyIndex]; + + m_history.clear(); + m_historyIndex = 0; + + m_history.append(element); +} + +void LocationNavigator::slotContentsMoved(int x, int y) +{ + m_history[m_historyIndex].setContentsX(x); + m_history[m_historyIndex].setContentsY(y); +} + +void LocationNavigator::updateCurrentElement() +{ + const KFileItem *item = m_view->currentFileItem(); + + if (item) + m_history[m_historyIndex].setCurrentFilename(item->name()); + + m_history[m_historyIndex].setContentsX(m_view->contentsX()); + m_history[m_historyIndex].setContentsY(m_view->contentsY()); +} + +} + +} + +#include "locationnavigator.moc" + |