/****************************************************************************
**
** Copyright (C) 2003-2006 Tilo Riemer <riemer@crossvc.com>,
**                         Frank Hemer <frank@hemer.org>
**
**
**----------------------------------------------------------------------------
**
**----------------------------------------------------------------------------
**
** CrossVC is available under two different licenses:
**
** If CrossVC is linked against the GPLed version of Qt 
** CrossVC is released under the terms of GPL also.
**
** If CrossVC is linked against a nonGPLed version of Qt 
** CrossVC is released under the terms of the 
** CrossVC License for non-Unix platforms (CLNU)
**
**
** CrossVC License for non-Unix platforms (CLNU):
**
** Redistribution and use in binary form, without modification, 
** are permitted provided that the following conditions are met:
**
** 1. Redistributions in binary form must reproduce the above copyright
**    notice, this list of conditions and the following disclaimer in the
**    documentation and/or other materials provided with the distribution.
** 2. It is not permitted to distribute the binary package under a name
**    different than CrossVC.
** 3. The name of the authors may not be used to endorse or promote
**    products derived from this software without specific prior written
**    permission.
** 4. The source code is the creative property of the authors.
**    Extensions and development under the terms of the Gnu Public License
**    are limited to the Unix platform. Any distribution or compilation of 
**    the source code against libraries licensed other than gpl requires 
**    the written permission of the authors.
**
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
** ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
** GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
**
**
** CrossVC License for Unix platforms:
**
** 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, version 2 of the License.
** 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 version 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
*****************************************************************************/

#include "config.h"

//----------------------------------------------------------------------------

#include <qdragobject.h>
#include <qapplication.h>
#include <qclipboard.h>
#include <qheader.h>

//----------------------------------------------------------------------------

#include "globals.h"
#include "FileListView.h"

//----------------------------------------------------------------------------

CFileListView::CFileListView(QWidget * parent, const char * name)
: QListView(parent, name), m_absPath(""), m_updatable(true), m_modified(false), m_onUpdate(false)
{
   m_bSelected = false;
}

//----------------------------------------------------------------------------

void CFileListView::viewportMousePressEvent(QMouseEvent * e) {
   m_hasSelection = false;
   if ( e->button() == LeftButton && itemAt(e->pos()) ) {
      QListViewItem *myChild = firstChild();
      while(myChild) {
         if(myChild->isSelected()) {
            m_hasSelection = true;
            break;
         }
         myChild = myChild->nextSibling();
      }
   }
   QListView::viewportMousePressEvent(e);
}

//----------------------------------------------------------------------------

void CFileListView::viewportMouseMoveEvent(QMouseEvent * e)
{
   if (!globalListViewsEnabled) return;
   
   QListView::viewportMouseMoveEvent(e);
   
   if ( (e->state() == LeftButton) && m_hasSelection ) {
      QStringList fileNames = getNamesOfSelectedFiles();
      
      QStrList uris;
      uris.setAutoDelete(true);   //should be true by default
      
      QStringList::Iterator it;
      for (it = fileNames.begin(); it != fileNames.end(); ++it) {
         uris.append(QUriDrag::localFileToUri(*it));
      }
      
      QUriDrag *d = new QUriDrag( uris, this );
      emit dragStarted();
      d->drag();
      emit dragDone();
   }
}

//----------------------------------------------------------------------------

void CFileListView::selFile( QListViewItem * It )
{
   clearSelection();
   emit doubleClickedFile( It->text(0) );
}

//----------------------------------------------------------------------------

void CFileListView::selectionChanged() 
{
   bool tmp = false;
   
   QListViewItem *myChild = firstChild();
   while(myChild) {
      if (myChild->isSelected()) {
         tmp = true;
         break;
      }
      myChild = myChild->nextSibling();
   }
   
   m_bSelected = tmp;
   emit showFileMenu(m_bSelected);
}

//----------------------------------------------------------------------------

QStringList CFileListView::getNamesOfSelectedFiles(bool bWithPath /* = true */)
{
   QStringList fileNames;
   
   QListViewItem *myChild = firstChild();
   while(myChild) {
      if(myChild->isSelected()) {
         if (bWithPath) {
            fileNames.append(m_absPath + myChild->text(0));
         } else {
            fileNames.append(myChild->text(0));
         }
      }
      
      myChild = myChild->nextSibling();
   }
   
   return fileNames;
}

//----------------------------------------------------------------------------

QStringList CFileListView::copyToClipboard() {
   
   QClipboard *cb = QApplication::clipboard();
   
   QStringList fileList = getNamesOfSelectedFiles();
   
   QUriDrag *d = new QUriDrag( this );
   d->setFileNames(fileList);
   
   cb->setData(d,QClipboard::Clipboard);
   return fileList;
}

//----------------------------------------------------------------------------

void CFileListView::setHeaderSetup(QString hs) {
   unsigned int i;
   for (i = 0; i<hs.length(); ++i) {
      header()->moveSection(i,hs.mid(i,1).toInt());
   }
}

//----------------------------------------------------------------------------

QString CFileListView::getHeaderSetup() {
   
   int i;
   QString hs;
   for (i = 0; i<header()->count(); ++i) {
      hs += QString::number(header()->mapToIndex(i));
   }
   return hs;
}

//----------------------------------------------------------------------------

void CFileListView::setUpdatable(bool state) {
   if (!m_onUpdate) {
      m_onUpdate = true;
      if (state) qApp->processEvents();//clear eventqueue
      else m_modified = false;
      horizontalScrollBar()->setUpdatesEnabled(state);
      verticalScrollBar()->setUpdatesEnabled(state);
      m_updatable = state;
      if (state && m_modified) {
         updateContents();
         horizontalScrollBar()->update();
         verticalScrollBar()->update();
         m_modified = false;
      }
      m_onUpdate = false;
   }
}

//----------------------------------------------------------------------------

bool CFileListView::isUpdatable () {
   return m_updatable;
}

//----------------------------------------------------------------------------

void CFileListView::viewportPaintEvent ( QPaintEvent * pe) {
   if (m_updatable) {
      QListView::viewportPaintEvent(pe);
   } else {
      m_modified = true;
   }
}

//----------------------------------------------------------------------------