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
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--- /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 &currentUrl = 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"
+