// 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_RotationDlg.cxx
// Author : Lucien PIGNOLONI, Open CASCADE S.A.S.
//

#include "TransformationGUI_RotationDlg.h"

#include <GEOM_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 <GEOMImpl_Types.hxx>

//=================================================================================
// class    : TransformationGUI_RotationDlg()
// purpose  : Constructs a TransformationGUI_RotationDlg 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_RotationDlg::TransformationGUI_RotationDlg
( GeometryGUI* theGeometryGUI, QWidget* parent, bool modal, Qt::WindowFlags fl )
  : GEOMBase_Skeleton( theGeometryGUI, parent, modal, fl )
{
  SUIT_ResourceMgr* aResMgr = myGeomGUI->getApp()->resourceMgr();
  QPixmap image0( aResMgr->loadPixmap( "GEOM", tr( "ICON_DLG_ROTATION" ) ) );
  QPixmap image1( aResMgr->loadPixmap( "GEOM", tr( "ICON_SELECT" ) ) );
  QPixmap image2( aResMgr->loadPixmap( "GEOM", tr( "ICON_DLG_ROTATION_THREE_POINTS" ) ) );

  setWindowTitle( tr( "GEOM_ROTATION_TITLE" ) );

  /***************************************************************/
  mainFrame()->GroupConstructors->setTitle( tr( "GEOM_ROTATION" ) );
  mainFrame()->RadioButton1->setIcon( image0 );
  mainFrame()->RadioButton2->setIcon( image2 );
  mainFrame()->RadioButton3->setAttribute( Qt::WA_DeleteOnClose );
  mainFrame()->RadioButton3->close();

  GroupPoints = new DlgRef_4Sel1Spin2Check( centralWidget() );
  GroupPoints->GroupBox1->setTitle( tr( "GEOM_ARGUMENTS" ) );
  GroupPoints->TextLabel1->setText( tr( "GEOM_OBJECTS" ) );
  GroupPoints->TextLabel2->setText( tr( "GEOM_AXIS" ) );
  GroupPoints->TextLabel3->setText( tr( "GEOM_ANGLE" ) );
  GroupPoints->TextLabel4->setText( tr( "GEOM_POINT_I" ).arg( 1 ) );
  GroupPoints->TextLabel5->setText( tr( "GEOM_POINT_I" ).arg( 2 ) );

  GroupPoints->LineEdit1->setReadOnly( true );
  GroupPoints->LineEdit2->setReadOnly( true );
  GroupPoints->LineEdit4->setReadOnly( true );
  GroupPoints->LineEdit5->setReadOnly( true );
  GroupPoints->PushButton1->setIcon( image1 );
  GroupPoints->PushButton2->setIcon( image1 );
  GroupPoints->PushButton4->setIcon( image1 );
  GroupPoints->PushButton5->setIcon( image1 );
  GroupPoints->CheckButton1->setText( tr( "GEOM_CREATE_COPY" ) );
  GroupPoints->CheckButton2->setText( tr( "GEOM_REVERSE" ) );

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

  /***************************************************************/
  double anAngle = 0;
  double SpecificStep = 5;
  /* min, max, step and decimals for spin boxes & initial values */
  initSpinBox( GroupPoints->SpinBox_DX, COORD_MIN, COORD_MAX, SpecificStep, 3 );
  GroupPoints->SpinBox_DX->setValue( anAngle );

  // 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->PushButton4, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( GroupPoints->PushButton5, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
 
  connect( GroupPoints->LineEdit1, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( GroupPoints->LineEdit2, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );

  connect( GroupPoints->SpinBox_DX,   SIGNAL( valueChanged( double ) ), this, SLOT( ValueChangedInSpinBox() ) );
  connect( GroupPoints->CheckButton1, SIGNAL( toggled( bool ) ),        this, SLOT( CreateCopyModeChanged( bool ) ) );
  connect( GroupPoints->CheckButton2, SIGNAL( toggled( bool ) ),        this, SLOT( onReverse() ) );
  
  connect( myGeomGUI->getApp()->selectionMgr(),
	   SIGNAL( currentSelectionChanged() ), this, SLOT( SelectionIntoArgument() ) );

  setHelpFileName( "rotation.htm" );

  Init();
}


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


//=================================================================================
// function : Init()
// purpose  :
//=================================================================================
void TransformationGUI_RotationDlg::Init()
{
  /* init variables */
  myEditCurrentArgument = GroupPoints->LineEdit1;
  GroupPoints->LineEdit2->clear();
  
  myAxis = myCentPoint = myPoint1 = myPoint2 = GEOM::GEOM_Object::_nil();
  
  initName( tr( "GEOM_ROTATION" ) );
  ConstructorsClicked( 0 );
}

//=================================================================================
// function : ConstructorsClicked()
// purpose  : Radio button management
//=================================================================================
void TransformationGUI_RotationDlg::ConstructorsClicked( int constructorId )
{
  disconnect( myGeomGUI->getApp()->selectionMgr(), 0, this, 0 );
  
  myEditCurrentArgument = GroupPoints->LineEdit1;
  globalSelection();

  switch ( constructorId ) {
  case 0: /* rotation an object angle and axis */
    GroupPoints->ShowRows( 2, 3, false );
    GroupPoints->TextLabel2->setText( tr( "GEOM_AXIS" ) );
    GroupPoints->LineEdit2->clear();
    GroupPoints->ShowRows( 4, 4, true );
    myAxis = GEOM::GEOM_Object::_nil();
    break;
  case 1: /* rotation an object by 3 points */
    GroupPoints->ShowRows( 4, 4, false );
    GroupPoints->ShowRows( 2, 3, true );
    GroupPoints->TextLabel2->setText( tr( "GEOM_CENTRAL_POINT" ) );
    GroupPoints->TextLabel4->setText( tr( "GEOM_POINT_I" ).arg( 1 ) );
    GroupPoints->TextLabel5->setText( tr( "GEOM_POINT_I" ).arg( 2 ) );
    GroupPoints->LineEdit2->clear();
    GroupPoints->LineEdit4->clear();
    GroupPoints->LineEdit5->clear();
    myCentPoint = myPoint1 = myPoint2 = GEOM::GEOM_Object::_nil();
    break;
  } 
  
  qApp->processEvents();
  updateGeometry();
  resize( minimumSize() );

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

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


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


//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection as changed or other case
//=================================================================================
void TransformationGUI_RotationDlg::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;
  }
  else {
    if ( IObjectCount() != 1 ) {
      if ( myEditCurrentArgument == GroupPoints->LineEdit2 && getConstructorId() == 0 )
	myAxis = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == GroupPoints->LineEdit2 && getConstructorId() == 1 )
	myCentPoint  = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == GroupPoints->LineEdit4 )
	myPoint1 = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == GroupPoints->LineEdit5 )
	myPoint2 = GEOM::GEOM_Object::_nil();
      return;
    }

    Standard_Boolean testResult = Standard_False;
    GEOM::GEOM_Object_var aSelectedObject = GEOMBase::ConvertIOinGEOMObject( firstIObject(), testResult );
    if ( !testResult || CORBA::is_nil( aSelectedObject ) )
      return;

    if ( myEditCurrentArgument == GroupPoints->LineEdit2 && getConstructorId() == 0 )
      myAxis = aSelectedObject;
    else if ( myEditCurrentArgument == GroupPoints->LineEdit2 && getConstructorId() == 1 )
      myCentPoint = aSelectedObject;
    else if ( myEditCurrentArgument == GroupPoints->LineEdit4 )
      myPoint1 = aSelectedObject;
    else if ( myEditCurrentArgument == GroupPoints->LineEdit5 )
      myPoint2 = aSelectedObject;
    
    aName = GEOMBase::GetName( aSelectedObject );
  }
  myEditCurrentArgument->setText( aName );
  
  displayPreview();
}


//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void TransformationGUI_RotationDlg::SetEditCurrentArgument()
{
  QPushButton* send = (QPushButton*)sender();
  
  if ( send == GroupPoints->PushButton1 ) {
    myEditCurrentArgument = GroupPoints->LineEdit1;
    globalSelection();
  }
  else if ( send == GroupPoints->PushButton2 ) {
    myEditCurrentArgument = GroupPoints->LineEdit2;
    getConstructorId() == 0 ? globalSelection( GEOM_LINE ) :
                              globalSelection( GEOM_POINT  );
  }
  else if ( send == GroupPoints->PushButton4 ) {
    myEditCurrentArgument = GroupPoints->LineEdit4;
    globalSelection( GEOM_POINT );
  }
  else if ( send == GroupPoints->PushButton5 ) {
    myEditCurrentArgument = GroupPoints->LineEdit5;
    globalSelection( GEOM_POINT );
  }

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


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


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

  ConstructorsClicked( getConstructorId() );
}


//=================================================================================
// function : enterEvent()
// purpose  :
//=================================================================================
void TransformationGUI_RotationDlg::enterEvent( QEvent* )
{
  if ( !mainFrame()->GroupConstructors->isEnabled() )
    ActivateThisDialog();
}


//=================================================================================
// function : ValueChangedInSpinBox()
// purpose  :
//=================================================================================
void TransformationGUI_RotationDlg::ValueChangedInSpinBox()
{
  displayPreview();
}


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


//=================================================================================
// function : isValid
// purpose  :
//=================================================================================
bool TransformationGUI_RotationDlg::isValid( QString& /*msg*/ )
{
  switch ( getConstructorId() ) {
  case 0: 
    return !( myObjects.length() == 0 || myAxis->_is_nil() );
    break;
  case 1: 
    return !( myObjects.length() == 0 || myCentPoint->_is_nil() || myPoint1->_is_nil() || myPoint2->_is_nil() );
    break;
  default: 
    return false;
  }
}


//=================================================================================
// function : execute
// purpose  :
//=================================================================================
bool TransformationGUI_RotationDlg::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() )->RotateCopy( myObjects[i], myAxis, GetAngle() * PI180 );
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      else {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	  anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->Rotate( myObjects[i], myAxis, GetAngle() * PI180 );
	  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() )->RotateThreePointsCopy( myObjects[i], myCentPoint, myPoint1, myPoint2 );
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      else {
	for ( int i = 0; i < myObjects.length(); i++ ) {
	  anObj = GEOM::GEOM_ITransformOperations::_narrow( getOperation() )->RotateThreePoints( myObjects[i], myCentPoint, myPoint1, myPoint2 );	
	  if ( !anObj->_is_nil() )
	    objects.push_back( anObj._retn() );
	}
      }
      res = true;
      break;
    }
  }
  
  return res;
}


//=================================================================================
// function : closeEvent
// purpose  :
//=================================================================================
void TransformationGUI_RotationDlg::closeEvent( QCloseEvent* e )
{
  GEOMBase_Skeleton::closeEvent( e );
}


//=================================================================================
// function : GetAngle()
// purpose  :
//=================================================================================
double TransformationGUI_RotationDlg::GetAngle() const
{
  return GroupPoints->SpinBox_DX->value();
}


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


//=================================================================================
// function :  onReverse()
// purpose  :
//=================================================================================
void TransformationGUI_RotationDlg::onReverse()
{
  double anOldValue = GroupPoints->SpinBox_DX->value();
  GroupPoints->SpinBox_DX->setValue( -anOldValue );
}