//  SMESH SMESHGUI : GUI for SMESH component
//
//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
//  This library 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 2.1 of the License.
//
//  This library 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 Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
//  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
//
//
//
//  File   : SMESHGUI_aParameterDlg.cxx
//  Author : Nicolas REJNERI
//  Module : SMESH
//  $Header$

#include "SMESHGUI_aParameterDlg.h"
#include "SMESHGUI_aParameter.h"
#include "SMESHGUI.h"
#include "SMESHGUI_SpinBox.h"

#include "SUIT_Tools.h"
#include "SUIT_Desktop.h"

// QT Includes
#include <qgroupbox.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qlayout.h>
#include <qspinbox.h>
#include <qvalidator.h>
#include <qtextedit.h>

using namespace std;

//======================================================================================
// function : SMESHGUI_aParameterDlg()
//
//  The dialog will by default be modal, unless you set 'modal' to
//  false when constructing dialog
//
//======================================================================================
SMESHGUI_aParameterDlg::SMESHGUI_aParameterDlg
                                        (std::list<SMESHGUI_aParameterPtr> params,
                                         QWidget*                          parent,
                                         QString                           title,
                                         bool                              modal)
: QDialog(parent, "MyParameterDialog", modal, WStyle_Customize |
          WStyle_NormalBorder | WStyle_Title | WStyle_SysMenu),
  myParamList(params)
{
  /* creating widgets */
  init();
  /* title */
  setCaption(title);

  /* Move widget on the botton right corner of main widget */
  SUIT_Tools::centerWidget(this, parent);
}

//======================================================================================
// function : SMESHGUI_aParameterDlg::init()
// purpose  : creates dialog's layout
//======================================================================================
void SMESHGUI_aParameterDlg::init()
{
  setSizeGripEnabled(TRUE);

  QGridLayout* topLayout = new QGridLayout(this);
  topLayout->setMargin(11); topLayout->setSpacing(6);

  /***************************************************************/
  QGroupBox* GroupC1 = new QGroupBox(this, "GroupC1");
  GroupC1->setColumnLayout(0, Qt::Vertical);
  GroupC1->layout()->setSpacing(0);
  GroupC1->layout()->setMargin(0);
  QGridLayout* GroupC1Layout = new QGridLayout(GroupC1->layout());
  GroupC1Layout->setAlignment(Qt::AlignTop);
  GroupC1Layout->setSpacing(6);
  GroupC1Layout->setMargin(11);
  /* Spin boxes with labels */
  list<SMESHGUI_aParameterPtr>::iterator paramIt = myParamList.begin();
  for (int row = 0; paramIt != myParamList.end(); paramIt++ , row++)
  {
    SMESHGUI_aParameterPtr param = (*paramIt);
    QLabel * label = new QLabel(GroupC1, "TextLabel");
    GroupC1Layout->addWidget(label, row, 0);
    label->setText(param->Label());
    QWidget* aSpinWidget = 0;
    switch (param->GetType()) {
    case SMESHGUI_aParameter::DOUBLE: {
      SMESHGUI_SpinBox* spin = new SMESHGUI_SpinBox(GroupC1);
      aSpinWidget = spin;
      spin->setPrecision(12);
      break;
    }
    case SMESHGUI_aParameter::INT: {
      QSpinBox* spin = new QSpinBox(GroupC1);
      aSpinWidget = spin;
      break;
    }
    case SMESHGUI_aParameter::TEXT: {
      QTextEdit* edit = new QTextEdit(GroupC1);
      edit->setWordWrap(QTextEdit::NoWrap);
      edit->setTextFormat(Qt::PlainText);
      aSpinWidget = edit;
      break;
    }
    default:;
    }
    if (aSpinWidget) {
      GroupC1Layout->addWidget(aSpinWidget, row, 1);
      aSpinWidget->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum));
      aSpinWidget->setMinimumSize(150, 0);
      param->InitializeWidget(aSpinWidget);
      mySpinList.push_back(aSpinWidget);
    }
  }

  /***************************************************************/
  QGroupBox* GroupButtons = new QGroupBox(this, "GroupButtons");
  GroupButtons->setColumnLayout(0, Qt::Vertical);
  GroupButtons->layout()->setSpacing(0);
  GroupButtons->layout()->setMargin(0);
  QGridLayout* GroupButtonsLayout = new QGridLayout(GroupButtons->layout());
  GroupButtonsLayout->setAlignment(Qt::AlignTop);
  GroupButtonsLayout->setSpacing(6);
  GroupButtonsLayout->setMargin(11);
  /* Ok button */
  myButtonOk = new QPushButton(GroupButtons, "buttonOk");
  myButtonOk->setText(tr("SMESH_BUT_OK"));
  myButtonOk->setAutoDefault(TRUE);
  myButtonOk->setDefault(TRUE);
  GroupButtonsLayout->addWidget(myButtonOk, 0, 0);
  /* add spacer between buttons */
  GroupButtonsLayout->addItem(new QSpacerItem(20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum), 0, 1);
  /* Cancel button */
  myButtonCancel = new QPushButton(GroupButtons, "buttonCancel");
  myButtonCancel->setText(tr("SMESH_BUT_CANCEL"));
  myButtonCancel->setAutoDefault(TRUE);
  GroupButtonsLayout->addWidget(myButtonCancel, 0, 2);

  /***************************************************************/
  topLayout->addWidget(GroupC1,      0, 0);
  topLayout->addWidget(GroupButtons, 1, 0);

  /* signals and slots connections */
  connect(myButtonOk,     SIGNAL(clicked()), this, SLOT(ClickOnOk()));
  connect(myButtonCancel, SIGNAL(clicked()), this, SLOT(reject()));

  /* Retrieve SMESHGUI */
  mySMESHGUI = SMESHGUI::GetSMESHGUI();
}

//======================================================================================
// function : ~SMESHGUI_aParameterDlg()
// purpose  : Destructor
//======================================================================================
SMESHGUI_aParameterDlg::~SMESHGUI_aParameterDlg()
{
}

//=======================================================================
//function : ClickOnOk
//purpose  :
//=======================================================================
void SMESHGUI_aParameterDlg::ClickOnOk()
{
  if (!mySMESHGUI->isActiveStudyLocked()) {
    list<SMESHGUI_aParameterPtr>::iterator paramIt  = myParamList.begin();
    list<QWidget*>::iterator               widgetIt = mySpinList.begin();
    for (;
         paramIt != myParamList.end() && widgetIt != mySpinList.end();
         paramIt++ , widgetIt++)
      (*paramIt)->TakeValue(*widgetIt);

    accept();
  }
}

//=======================================================================
// function : Parameters()
// purpose  : return a list of parameters from a dialog box
//=======================================================================
bool SMESHGUI_aParameterDlg::Parameters (list<SMESHGUI_aParameterPtr> params,
                                         const char *aTitle)
{
  if (!params.empty()) {
    SMESHGUI_aParameterDlg *Dialog =
      new SMESHGUI_aParameterDlg(params, SMESHGUI::desktop(), aTitle, TRUE);
    return (Dialog->exec() == QDialog::Accepted);
  }
  return false;
}