/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  OpenFlipper is free software: you can redistribute it and/or modify      *
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  OpenFlipper 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 Lesser General Public License for more details.                      *
 *                                                                           *
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                       *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/



//=============================================================================
//
//  CLASS QtCoordFrameDialog - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================

#include "QtCoordFrameDialog.hh"
#include "../Scenegraph/CoordFrameNode.hh"

#include <QComboBox>
#include <QPushButton>
#include <QGroupBox>


//== NAMESPACES ============================================================== 


namespace ACG {
namespace QtWidgets {


//== IMPLEMENTATION ========================================================== 


QtCoordFrameDialog::
QtCoordFrameDialog( QWidget*                     _parent,
		    SceneGraph::CoordFrameNode*  _node,
		    Qt::WFlags                   _fl )
  
  : QDialog(_parent, _fl),
    node_(_node)
  
{
  ui_.setupUi( this );

   connect( ui_.OkButton, SIGNAL( clicked() ), this, SLOT( apply_changes() ) );
   connect( ui_.OkButton, SIGNAL( clicked() ), this, SLOT( accept() ) );
   connect( ui_.ApplyButton, SIGNAL( clicked() ), this, SLOT( apply_changes() ) );
   connect( ui_.CancelButton, SIGNAL( clicked() ), this, SLOT( reject() ) );
   connect( ui_.CancelButton, SIGNAL( clicked() ), this, SLOT( undo_changes() ) );
   connect( ui_.x_add_button, SIGNAL( clicked() ), this, SLOT( add_x_plane() ) );
   connect( ui_.x_mod_button, SIGNAL( clicked() ), this, SLOT( mod_x_plane() ) );
   connect( ui_.x_del_button, SIGNAL( clicked() ), this, SLOT( del_x_plane() ) );
   connect( ui_.y_add_button, SIGNAL( clicked() ), this, SLOT( add_y_plane() ) );
   connect( ui_.y_mod_button, SIGNAL( clicked() ), this, SLOT( mod_y_plane() ) );
   connect( ui_.y_del_button, SIGNAL( clicked() ), this, SLOT( del_y_plane() ) );
   connect( ui_.z_add_button, SIGNAL( clicked() ), this, SLOT( add_z_plane() ) );
   connect( ui_.z_mod_button, SIGNAL( clicked() ), this, SLOT( mod_z_plane() ) );
   connect( ui_.z_del_button, SIGNAL( clicked() ), this, SLOT( del_z_plane() ) );

  update_values();
}


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


void 
QtCoordFrameDialog::show()
{
  update_values();
  QDialog::show();
}


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


void
QtCoordFrameDialog::update_values()
{
  x_planes_bak_ = node_->x_planes();
  y_planes_bak_ = node_->y_planes();
  z_planes_bak_ = node_->z_planes();

  planes2combo(x_planes_bak_, ui_.x_combobox);
  planes2combo(y_planes_bak_, ui_.y_combobox);
  planes2combo(z_planes_bak_, ui_.z_combobox);


  QString s, title;

  title = ( QString("X-Planes: [") +
	    s.setNum(node_->bb_min()[0], 'f', 4) +
	    QString(", ") +
	    s.setNum(node_->bb_max()[0], 'f', 4) +
	    QString("]") );
  ui_.x_groupbox->setTitle(title);

  title = ( QString("Y-Planes: [") +
	    s.setNum(node_->bb_min()[1], 'f', 4) +
	    QString(", ") +
	    s.setNum(node_->bb_max()[1], 'f', 4) +
	    QString("]") );
  ui_.y_groupbox->setTitle(title);

  title = ( QString("Z-Planes: [") +
	    s.setNum(node_->bb_min()[2], 'f', 4) +
	    QString(", ") +
	    s.setNum(node_->bb_max()[2], 'f', 4) +
	    QString("]") );
  ui_.z_groupbox->setTitle(title);
}


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


void 
QtCoordFrameDialog::combo2planes(const QComboBox* _combo, 
				 std::vector<float>& _planes)
{
  unsigned int i(0), N(_combo->count());

  _planes.clear();
  _planes.reserve(N);

  for (; i<N; ++i)
    _planes.push_back(_combo->itemText(i).toFloat());
}


void 
QtCoordFrameDialog::planes2combo(const std::vector<float>& _planes,
				 QComboBox* _combo)
{
  std::vector<float>::const_iterator p_it, p_end;
  QString s;

  _combo->clear();
  for (p_it=_planes.begin(), p_end=_planes.end(); p_it!=p_end; ++p_it)
    _combo->addItem(s.setNum(*p_it, 'f', 3));
}


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


void QtCoordFrameDialog::apply_changes()
{
  std::vector<float> planes;

  combo2planes(ui_.x_combobox, planes);
  node_->set_x_planes(planes);

  combo2planes(ui_.y_combobox, planes);
  node_->set_y_planes(planes);

  combo2planes(ui_.z_combobox, planes);
  node_->set_z_planes(planes);

  emit signalNodeChanged(node_);
}


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


void QtCoordFrameDialog::undo_changes()
{
  node_->set_x_planes(x_planes_bak_);
  node_->set_y_planes(y_planes_bak_);
  node_->set_z_planes(z_planes_bak_);

  emit signalNodeChanged(node_);
}


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


void QtCoordFrameDialog::add_x_plane()
{
  ui_.x_combobox->addItem(ui_.x_combobox->currentText());
  apply_changes();
}

void QtCoordFrameDialog::mod_x_plane()
{
  ui_.x_combobox->setItemText(ui_.x_combobox->currentIndex(),ui_.x_combobox->currentText());
  apply_changes();
}

void QtCoordFrameDialog::del_x_plane()
{
  ui_.x_combobox->removeItem(ui_.x_combobox->currentIndex());
  apply_changes();
}


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


void QtCoordFrameDialog::add_y_plane()
{
  ui_.y_combobox->addItem(ui_.y_combobox->currentText());
  apply_changes();
}

void QtCoordFrameDialog::mod_y_plane()
{
  ui_.y_combobox->setItemText(ui_.y_combobox->currentIndex(),ui_.y_combobox->currentText());
  apply_changes();
}

void QtCoordFrameDialog::del_y_plane()
{
  ui_.y_combobox->removeItem(ui_.y_combobox->currentIndex());
  apply_changes();
}


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


void QtCoordFrameDialog::add_z_plane()
{
  ui_.z_combobox->addItem(ui_.z_combobox->currentText());
  apply_changes();
}

void QtCoordFrameDialog::mod_z_plane()
{
  ui_.z_combobox->setItemText(ui_.z_combobox->currentIndex(),ui_.z_combobox->currentText());
  apply_changes();
}

void QtCoordFrameDialog::del_z_plane()
{
  ui_.z_combobox->removeItem(ui_.z_combobox->currentIndex());
  apply_changes();
}


//=============================================================================
} // namespace QtWidgets
} // namespace ACG
//=============================================================================