// GEOM GEOMGUI : GUI for Geometry 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.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// File   : TransformationGUI_MirrorDlg.cxx
// Author : Lucien PIGNOLONI, Open CASCADE S.A.S.
//

#include "TransformationGUI_MirrorDlg.h"

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

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

#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS.hxx>
#include <TopExp.hxx>
#include <TColStd_IndexedMapOfInteger.hxx>
#include <TopTools_IndexedMapOfShape.hxx>

#include <GEOMImpl_Types.hxx>

//=================================================================================
// class    : TransformationGUI_MirrorDlg()
// purpose  : Constructs a TransformationGUI_MirrorDlg 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.
//=================================================================================
TransformationGUI_MirrorDlg::TransformationGUI_MirrorDlg( GeometryGUI* theGeometryGUI, QWidget* parent,
							  bool modal, Qt::WindowFlags fl )
  : GEOMBase_Skeleton( theGeometryGUI, parent, modal, fl )
{
  QPixmap image0( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_DLG_MIRROR_POINT" ) ) );
  QPixmap image1( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_DLG_MIRROR_AXE" ) ) );
  QPixmap image2( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_DLG_MIRROR_PLANE" ) ) );
  QPixmap image3( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_SELECT" ) ) );

  setWindowTitle( tr( "GEOM_MIRROR_TITLE" ) );

  /***************************************************************/
  mainFrame()->GroupConstructors->setTitle( tr( "GEOM_MIRROR" ) );
  mainFrame()->RadioButton1->setIcon( image0 );
  mainFrame()->RadioButton2->setIcon( image1 );
  mainFrame()->RadioButton3->setIcon( image2 );
 
  GroupPoints = new DlgRef_2Sel1Spin2Check( centralWidget() );
  GroupPoints->SpinBox_DX->hide();
  GroupPoints->TextLabel3->hide();
  GroupPoints->CheckButton2->hide();
  GroupPoints->GroupBox1->setTitle( tr( "GEOM_ARGUMENTS" ) );
  GroupPoints->TextLabel1->setText( tr( "GEOM_OBJECTS" ) );
  GroupPoints->TextLabel2->setText( tr( "GEOM_POINT_MIRROR" ) );
  GroupPoints->TextLabel2->setFixedWidth( 74 );
  GroupPoints->PushButton1->setIcon( image3 );
  GroupPoints->PushButton2->setIcon( image3 );
  GroupPoints->CheckButton1->setText( tr( "GEOM_CREATE_COPY" ) );

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

  setHelpFileName( "mirror_operation_page.html" );
  
  Init();
}


//=================================================================================
// function : ~TransformationGUI_MirrorDlg()
// purpose  : Destroys the object and frees any allocated resources
//=================================================================================
TransformationGUI_MirrorDlg::~TransformationGUI_MirrorDlg()
{  
  /* no need to delete child widgets, Qt does it all for us */
}


//=================================================================================
// function : Init()
// purpose  :
//=================================================================================
void TransformationGUI_MirrorDlg::Init()
{  
  /* init variables */
  myEditCurrentArgument = GroupPoints->LineEdit1;
  GroupPoints->LineEdit1->setReadOnly( true );
  GroupPoints->LineEdit2->setReadOnly( true );
  
  myArgument = GEOM::GEOM_Object::_nil();
    
  // Activate Create a Copy mode
  GroupPoints->CheckButton1->setChecked( true );
  CreateCopyModeChanged( true );

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

  connect( this, SIGNAL( constructorsClicked( int ) ), this, SLOT( ConstructorsClicked( int ) ) );

  connect( GroupPoints->PushButton1, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( GroupPoints->PushButton2, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );

  connect( GroupPoints->LineEdit1,   SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( GroupPoints->LineEdit2,   SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  
  connect( GroupPoints->CheckButton1, SIGNAL( toggled( bool ) ), this, SLOT( CreateCopyModeChanged( bool ) ) );
  
  connect( myGeomGUI->getApp()->selectionMgr(), 
	   SIGNAL( currentSelectionChanged() ), this, SLOT( SelectionIntoArgument() ) );

  initName( tr( "GEOM_MIRROR" ) );

  ConstructorsClicked( 0 );
}


//=================================================================================
// function : ConstructorsClicked()
// purpose  : Radio button management
//=================================================================================
void TransformationGUI_MirrorDlg::ConstructorsClicked( int constructorId )
{
  disconnect( myGeomGUI->getApp()->selectionMgr(), 0, this, 0 );
  
  globalSelection();
  myEditCurrentArgument = GroupPoints->LineEdit1;
  GroupPoints->LineEdit2->clear();
  myArgument = GEOM::GEOM_Object::_nil();
  
  switch ( constructorId ) {
  case 0: /* mirror an object by point */
    GroupPoints->TextLabel2->setText( tr( "GEOM_POINT_MIRROR" ) );
    break;
  case 1: /* mirror an object by axe */
    GroupPoints->TextLabel2->setText( tr( "GEOM_AXE_MIRROR" ) );
    break;
  case 2: /* mirror an object by plane */
    GroupPoints->TextLabel2->setText( tr( "GEOM_PLANE_MIRROR" ) );
    break;
  }

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



//=================================================================================
// function : ClickOnOk()
// purpose  :
//=================================================================================
void TransformationGUI_MirrorDlg::ClickOnOk()
{
  if ( ClickOnApply() )
    ClickOnCancel();
}


//=================================================================================
// function : ClickOnApply()
// purpose  :
//=================================================================================
bool TransformationGUI_MirrorDlg::ClickOnApply()
{
  if ( !onAccept( GroupPoints->CheckButton1->isChecked() ) )
    return false;
  
  initName();
  ConstructorsClicked( getConstructorId() );
  return true;
}


//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection has changed
//=================================================================================
void TransformationGUI_MirrorDlg::SelectionIntoArgument()
{
  myEditCurrentArgument->setText( "" );
  QString aName;

  if ( myEditCurrentArgument == GroupPoints->LineEdit1 ) {
    int aNbSel = GEOMBase::GetNameOfSelectedIObjects( selectedIO(), aName );
    if ( aNbSel < 1 ) {
      myObjects.length( 0 );
      return;
    }
    GEOMBase::ConvertListOfIOInListOfGO( selectedIO(), myObjects );
    if ( !myObjects.length() )
      return;
    if ( aNbSel != 1 )
      aName = tr( "%1_objects" ).arg( aNbSel );
  }
  else if ( myEditCurrentArgument == GroupPoints->LineEdit2 ) {
    if ( IObjectCount() != 1 ) {
      myArgument = GEOM::GEOM_Object::_nil();
      return;
    }
    Standard_Boolean testResult = Standard_False;
    GEOM::GEOM_Object_var aSelectedObject = GEOMBase::ConvertIOinGEOMObject( firstIObject(), testResult );
    myArgument = aSelectedObject;
    if ( !testResult || CORBA::is_nil( myArgument ) )
      return;

    aName = GEOMBase::GetName( aSelectedObject );
    
    if ( testResult && !aSelectedObject->_is_nil() ) {
      TopoDS_Shape aShape;
      if ( GEOMBase::GetShape( aSelectedObject, aShape, TopAbs_SHAPE ) && !aShape.IsNull() ) {
	TopAbs_ShapeEnum aNeedType = TopAbs_VERTEX;
	if ( getConstructorId() == 1 )
	  aNeedType = TopAbs_EDGE;
	else if ( getConstructorId() == 2 )
	  aNeedType = TopAbs_FACE;
	
	LightApp_SelectionMgr* aSelMgr = myGeomGUI->getApp()->selectionMgr();
	TColStd_IndexedMapOfInteger aMap;
	aSelMgr->GetIndexes( firstIObject(), aMap );
	if ( aMap.Extent() == 1 ) {
	  int anIndex = aMap( 1 );
	  if ( aNeedType == TopAbs_VERTEX )
	    aName += QString( ":vertex_%1" ).arg( anIndex );
	  else
	    aName += QString( ":edge_%1" ).arg( anIndex );
	  
	  //Find SubShape Object in Father
	  GEOM::GEOM_Object_var aFindedObject = findObjectInFather( aSelectedObject, aName );
	  
	  if ( aFindedObject == GEOM::GEOM_Object::_nil() ) { // Object not found in study
	    GEOM::GEOM_IShapesOperations_var aShapesOp =
	      getGeomEngine()->GetIShapesOperations( getStudyId() );
	    myArgument = aShapesOp->GetSubShape( aSelectedObject, anIndex );
	  }
	  else {
	    myArgument = aFindedObject; // get Object from study
	  }
	}
	else {
	  if ( aShape.ShapeType() != aNeedType ) {
	    myArgument = GEOM::GEOM_Object::_nil();
	    aName = "";
	  }
	}
      }
    }
  }
  myEditCurrentArgument->setText( aName );
   
  displayPreview(); 
}


//=================================================================================
// function : LineEditReturnPressed()
// purpose  :
//=================================================================================
void TransformationGUI_MirrorDlg::LineEditReturnPressed()
{
  QLineEdit* send = (QLineEdit*)sender();
  if ( send == GroupPoints->LineEdit1 ||
       send == GroupPoints->LineEdit2 ) {
    myEditCurrentArgument = send;
    GEOMBase_Skeleton::LineEditReturnPressed();
  }
}


//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void TransformationGUI_MirrorDlg::SetEditCurrentArgument()
{
  QPushButton* send = (QPushButton*)sender();
  globalSelection();
  
  if ( send == GroupPoints->PushButton1 ) {
    myEditCurrentArgument = GroupPoints->LineEdit1;
  }
  else if ( send == GroupPoints->PushButton2 ) {
    myEditCurrentArgument = GroupPoints->LineEdit2;
    switch ( getConstructorId() ) {
    case 0:
      localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX );
      break;
    case 1:
      localSelection( GEOM::GEOM_Object::_nil(), TopAbs_EDGE );
      break;
    case 2:
      globalSelection( GEOM_PLANE );
      break;
    }
  }

  myEditCurrentArgument->setFocus();
  SelectionIntoArgument();
}


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


//=================================================================================
// function : enterEvent()
// purpose  : when mouse enter onto the QWidget
//=================================================================================
void TransformationGUI_MirrorDlg::enterEvent( QEvent* )
{
  if ( !mainFrame()->GroupConstructors->isEnabled() )
    ActivateThisDialog();
}


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


//=================================================================================
// function : isValid
// purpose  :
//=================================================================================
bool  TransformationGUI_MirrorDlg::isValid( QString& /*msg*/ )
{
  return !( myObjects.length() == 0 || myArgument->_is_nil() );
}


//=================================================================================
// function : execute
// purpose  :
//=================================================================================
bool  TransformationGUI_MirrorDlg::execute( ObjectList& objects )
{
  bool res = false;
  bool toCreateCopy = IsPreview() || GroupPoints->CheckButton1->isChecked();
  
  GEOM::GEOM_Object_var anObj;
  
  switch ( getConstructorId() ) {
  case 0:
    {
      if ( toCreateCopy ) {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	  anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->MirrorPointCopy( myObjects[i], myArgument );
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      else {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	  anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->MirrorPoint( myObjects[i], myArgument );
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      res = true;
      break;
    }
  case 1:
    {
      if ( toCreateCopy ) {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	  anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->MirrorAxisCopy( myObjects[i], myArgument );
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      else {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	  anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->MirrorAxis( myObjects[i], myArgument );
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      res = true;
      break;
    }
  case 2:
    {
      if ( toCreateCopy ) {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	    anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->MirrorPlaneCopy( myObjects[i], myArgument );
	    if ( !anObj->_is_nil() )
	      objects.push_back( anObj._retn() );
	}
      }
      else {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	  anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->MirrorPlane( myObjects[i], myArgument );
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      res = true;
      break;
    }
  }
  
  return res;
}

//=================================================================================
// function :  CreateCopyModeChanged()
// purpose  :
//=================================================================================
void TransformationGUI_MirrorDlg::CreateCopyModeChanged( bool isCreateCopy )
{
  mainFrame()->GroupBoxName->setEnabled( isCreateCopy );
}

//=================================================================================
// function : addSubshapeToStudy
// purpose  : virtual method to add new SubObjects if local selection
//=================================================================================
void TransformationGUI_MirrorDlg::addSubshapesToStudy()
{
  bool toCreateCopy = IsPreview() || GroupPoints->CheckButton1->isChecked();
  if ( toCreateCopy ) {
    QMap<QString, GEOM::GEOM_Object_var> objMap;

    switch ( getConstructorId() ) {
    case 0:
      objMap[GroupPoints->LineEdit2->text()] = myArgument;
      break;
    case 1:
      objMap[GroupPoints->LineEdit2->text()] = myArgument;
      break;
    case 2:
      return;
    }
    addSubshapesToFather( objMap );
  }
}