/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. 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.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "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 COPYRIGHT HOLDER *
 * OR CONTRIBUTORS 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.              *
*                                                                            *
\*===========================================================================*/



#include "FunctionList.hh"

#include <QApplication>

FunctionList::FunctionList(QWidget *parent)
    : QListWidget(parent)
{

}

void FunctionList::mousePressEvent(QMouseEvent *event)
{
  if (event->button() == Qt::LeftButton){
    dragStartPosition_ = event->pos();
    QListWidgetItem* item = itemAt(event->pos().x(), event->pos().y());
    if (item) 
      currentFn_ = item->text();
    else
      currentFn_ = "";
  }

  QListWidget::mousePressEvent(event);
}

void FunctionList::mouseMoveEvent(QMouseEvent *event)
{
    if (!(event->buttons() & Qt::LeftButton))
        return;
    if ((event->pos() - dragStartPosition_).manhattanLength()
          < QApplication::startDragDistance())
        return;

    QDrag *drag = new QDrag(this);
    QMimeData *mimeData = new QMimeData;

    mimeData->setText( currentFn_ );
    drag->setMimeData(mimeData);

    drag->exec(Qt::CopyAction);
}

void FunctionList::filter(QString _filter){

  for (int i=0; i < count(); i++){

    QString fnName = item(i)->text();
    QString slotDescription;
    QStringList params;
    QStringList descriptions;

    emit getDescription(fnName, slotDescription, params, descriptions);

    if ( fnName.contains(_filter,Qt::CaseInsensitive) || slotDescription.contains(_filter,Qt::CaseInsensitive) )
      item(i)->setHidden(false);
    else
      item(i)->setHidden(true);
  }
}

void FunctionList::reset(){
  for (int i=0; i < count(); i++)
    item(i)->setHidden(false);
}