// Copyright (C) 2007-2014  CEA/DEN, EDF R&D, OPEN CASCADE
//
// 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, or (at your option) any later version.
//
// 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.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

//  GEOM RepairGUI : GUI for Geometry component
//  File   : RepairGUI_UnionFacesDlg.cxx
//  Author : Michael Zorin, Open CASCADE S.A.S.
//
#include "RepairGUI_UnionFacesDlg.h"

#include <DlgRef.h>
#include <GeometryGUI.h>
#include <GEOMBase.h>

#include <SalomeApp_Application.h>
#include <LightApp_SelectionMgr.h>
#include <SUIT_Session.h>
#include <SUIT_ResourceMgr.h>

#include <GEOMImpl_Types.hxx>

#include <TColStd_MapOfInteger.hxx>

//=================================================================================
// class    : RepairGUI_UnionFacesDlg()
// purpose  : Constructs a RepairGUI_UnionFacesDlg which is a child of 'parent', with the
//            name 'name' and widget flags set to 'f'.
//            The dialog will by default be modeless, unless you set 'modal' to
//            TRUE to construct a modal dialog.
//=================================================================================
RepairGUI_UnionFacesDlg::RepairGUI_UnionFacesDlg( GeometryGUI* theGeometryGUI, QWidget* parent,
                                                  bool modal )
  : GEOMBase_Skeleton( theGeometryGUI, parent, modal )
{
  SUIT_ResourceMgr* aResMgr = SUIT_Session::session()->resourceMgr();
  QPixmap image0( aResMgr->loadPixmap( "GEOM", tr( "ICON_DLG_UNION_FACES" ) ) );
  QPixmap image1( aResMgr->loadPixmap( "GEOM", tr( "ICON_SELECT" ) ) );
    
  setWindowTitle( tr( "GEOM_UNION_FACES_TITLE" ) );

  /***************************************************************/
  mainFrame()->GroupConstructors->setTitle(tr("GEOM_UNION_FACES_TITLE"));
  mainFrame()->RadioButton1->setIcon( image0 );
  mainFrame()->RadioButton2->setAttribute( Qt::WA_DeleteOnClose );
  mainFrame()->RadioButton2->close();
  mainFrame()->RadioButton3->setAttribute( Qt::WA_DeleteOnClose );
  mainFrame()->RadioButton3->close();

  GroupPoints = new DlgRef_1Sel( centralWidget() );

  GroupPoints->GroupBox1->setTitle( tr( "GEOM_UNION_FACES" ) );
  GroupPoints->TextLabel1->setText( tr( "GEOM_SELECTED_SHAPE" ) );
  GroupPoints->PushButton1->setIcon( image1 );
  GroupPoints->LineEdit1->setReadOnly( true );

  QVBoxLayout* layout = new QVBoxLayout( centralWidget() );
  layout->setMargin( 0 ); layout->setSpacing( 6 );
  layout->addWidget( GroupPoints );

  /***************************************************************/
  
  setHelpFileName( "union_faces_operation_page.html" );

  Init();
}


//=================================================================================
// function : ~RepairGUI_UnionFacesDlg()
// purpose  : Destroys the object and frees any allocated resources
//=================================================================================
RepairGUI_UnionFacesDlg::~RepairGUI_UnionFacesDlg()
{
}


//=================================================================================
// function : Init()
// purpose  :
//=================================================================================
void RepairGUI_UnionFacesDlg::Init()
{
  /* init variables */
  myEditCurrentArgument = GroupPoints->LineEdit1;
  
  myOkObject = false;

  activateSelection();
  
  mainFrame()->GroupBoxPublish->show();
  //Hide preview checkbox
  mainFrame()->CheckBoxPreview->hide();

  /* signals and slots connections */
  connect( buttonOk(),    SIGNAL( clicked() ), this, SLOT( ClickOnOk() ) );
  connect( buttonApply(), SIGNAL( clicked() ), this, SLOT( ClickOnApply() ) );

  connect( GroupPoints->PushButton1, SIGNAL( clicked() ),       this, SLOT( SetEditCurrentArgument() ) );
  connect( GroupPoints->LineEdit1,   SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );

  connect( myGeomGUI->getApp()->selectionMgr(), SIGNAL( currentSelectionChanged() ),
           this, SLOT( SelectionIntoArgument() ) );

  initName( tr( "UNION_FACES_NEW_OBJ_NAME" ) );
  resize(100,100);
  SelectionIntoArgument();
}


//=================================================================================
// function : ClickOnOk()
// purpose  : Same than click on apply but close this dialog.
//=================================================================================
void RepairGUI_UnionFacesDlg::ClickOnOk()
{
  setIsApplyAndClose( true );
  if ( ClickOnApply() )
    ClickOnCancel();
}

//=================================================================================
// function : ClickOnApply()
// purpose  :
//=================================================================================
bool RepairGUI_UnionFacesDlg::ClickOnApply()
{
  if ( !onAccept() )
    return false;

  initName();

  myEditCurrentArgument->setText( "" );
  myObject = GEOM::GEOM_Object::_nil();
  
  myOkObject = false;

  activateSelection();

  return true;
}


//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection as changed or other case
//          : used only by SelectButtonC1A1 (LineEditC1A1)
//=================================================================================
void RepairGUI_UnionFacesDlg::SelectionIntoArgument()
{
  myEditCurrentArgument->setText( "" );
  QString aName;
  
  LightApp_SelectionMgr* aSelMgr = myGeomGUI->getApp()->selectionMgr();
  SALOME_ListIO aSelList;
  aSelMgr->selectedObjects(aSelList);

  if ( myEditCurrentArgument == GroupPoints->LineEdit1 ) {
    if ( aSelList.Extent() != 1 ) {
      if ( myEditCurrentArgument == GroupPoints->LineEdit1 )
        myOkObject = false;
      return;
    }
  }
  
  // nbSel == 1
  GEOM::GEOM_Object_ptr aSelectedObject =
    GEOMBase::ConvertIOinGEOMObject( aSelList.First() );

  if ( CORBA::is_nil( aSelectedObject ) )
    return;
  
  if ( myEditCurrentArgument == GroupPoints->LineEdit1 ) {
    myObject = aSelectedObject;
    myOkObject = true;
  }

  myEditCurrentArgument->setText( GEOMBase::GetName( aSelectedObject ) );
}

//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void RepairGUI_UnionFacesDlg::SetEditCurrentArgument()
{
  if( sender() == GroupPoints->PushButton1 ) {
    GroupPoints->LineEdit1->setFocus();
    myEditCurrentArgument = GroupPoints->LineEdit1;
  }
  SelectionIntoArgument();
}


//=================================================================================
// function : LineEditReturnPressed()
// purpose  :
//=================================================================================
void RepairGUI_UnionFacesDlg::LineEditReturnPressed()
{
  if ( sender() == GroupPoints->LineEdit1 ) {
    myEditCurrentArgument = GroupPoints->LineEdit1;
    GEOMBase_Skeleton::LineEditReturnPressed();
  }
}


//=================================================================================
// function : ActivateThisDialog()
// purpose  :
//=================================================================================
void RepairGUI_UnionFacesDlg::ActivateThisDialog()
{
  GEOMBase_Skeleton::ActivateThisDialog();
  connect( myGeomGUI->getApp()->selectionMgr(), SIGNAL( currentSelectionChanged() ),
           this, SLOT( SelectionIntoArgument() ) );

  activateSelection();
}


//=================================================================================
// function : enterEvent()
// purpose  : Mouse enter onto the dialog to activate it
//=================================================================================
void RepairGUI_UnionFacesDlg::enterEvent(QEvent* e)
{
  if ( !mainFrame()->GroupConstructors->isEnabled() )
    ActivateThisDialog();
}


//=================================================================================
// function : activateSelection
// purpose  : activate selection of solids and compounds
//=================================================================================
void RepairGUI_UnionFacesDlg::activateSelection()
{
  TColStd_MapOfInteger aTypes;
  aTypes.Add( GEOM_SHELL );
  aTypes.Add( GEOM_SOLID );
  aTypes.Add( GEOM_COMPOUND );
  globalSelection( aTypes );
}

//=================================================================================
// function : createOperation
// purpose  :
//=================================================================================
GEOM::GEOM_IOperations_ptr RepairGUI_UnionFacesDlg::createOperation()
{
  return getGeomEngine()->GetIBlocksOperations( getStudyId() );
}

//=================================================================================
// function : isValid
// purpose  :
//=================================================================================
bool RepairGUI_UnionFacesDlg::isValid( QString& msg )
{
  return myOkObject;
}

//=================================================================================
// function : execute
// purpose  :
//=================================================================================
bool RepairGUI_UnionFacesDlg::execute( ObjectList& objects )
{
  GEOM::GEOM_IBlocksOperations_var anOper = GEOM::GEOM_IBlocksOperations::_narrow(getOperation());
  GEOM::GEOM_Object_var anObj = anOper->UnionFaces(myObject);

  if (!anObj->_is_nil())
    objects.push_back(anObj._retn());

  return true;
}

//=================================================================================
// function : restoreSubShapes
// purpose  :
//=================================================================================
void RepairGUI_UnionFacesDlg::restoreSubShapes( SALOMEDS::Study_ptr   theStudy,
                                                SALOMEDS::SObject_ptr theSObject )
{
  if ( mainFrame()->CheckBoxRestoreSS->isChecked() ) {
    // empty list of arguments means that all arguments should be restored
    getGeomEngine()->RestoreSubShapesSO( theStudy, theSObject, GEOM::ListOfGO(),
                                         /*theFindMethod=*/GEOM::FSM_GetInPlace, // ? GetInPlaceByHistory
                                         /*theInheritFirstArg=*/true,
                                         mainFrame()->CheckBoxAddPrefix->isChecked() );
  }
}