smesh/src/SMESHGUI/SMESHGUI_RemoveNodesDlg.cxx

//  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_RemoveNodesDlg.cxx
//  Author : Nicolas REJNERI
//  Module : SMESH
//  $Header$

#include "SMESHGUI_RemoveNodesDlg.h"

#include "SMESHGUI.h"
#include "SMESHGUI_Utils.h"
#include "SMESHGUI_VTKUtils.h"
#include "SMESHGUI_MeshUtils.h"
#include "SMESHGUI_IdValidator.h"
#include "SMESH_Actor.h"
#include "SMDS_Mesh.hxx"

#include "QAD_Application.h"
#include "QAD_Desktop.h"
#include "QAD_MessageBox.h"
#include "utilities.h"

// QT Includes
#include <qbuttongroup.h>
#include <qgroupbox.h>
#include <qlabel.h>
#include <qlineedit.h>
#include <qpushbutton.h>
#include <qradiobutton.h>
#include <qlayout.h>
#include <qvariant.h>
#include <qtooltip.h>
#include <qwhatsthis.h>
#include <qimage.h>
#include <qpixmap.h>

using namespace std;

//=================================================================================
// class    : SMESHGUI_RemoveNodesDlg()
// purpose  : 
//=================================================================================
SMESHGUI_RemoveNodesDlg::SMESHGUI_RemoveNodesDlg( QWidget* parent, const char* name, SALOME_Selection* Sel,
						  bool modal, WFlags fl )
     : QDialog( parent, name, modal, WStyle_Customize | WStyle_NormalBorder | WStyle_Title | WStyle_SysMenu |
	       Qt::WDestructiveClose),
       myBusy( false )
{
    QPixmap image0(QAD_Desktop::getResourceManager()->loadPixmap( "SMESH",tr("ICON_DLG_REM_NODE")));
    QPixmap image1(QAD_Desktop::getResourceManager()->loadPixmap( "SMESH",tr("ICON_SELECT")));

    if ( !name )
	setName( "SMESHGUI_RemoveNodesDlg" );
    resize( 303, 185 ); 
    setCaption( tr( "SMESH_REMOVE_NODES_TITLE"  ) );
    setSizeGripEnabled( TRUE );
    SMESHGUI_RemoveNodesDlgLayout = new QGridLayout( this ); 
    SMESHGUI_RemoveNodesDlgLayout->setSpacing( 6 );
    SMESHGUI_RemoveNodesDlgLayout->setMargin( 11 );

    /***************************************************************/
    GroupConstructors = new QButtonGroup( this, "GroupConstructors" );
    GroupConstructors->setTitle( tr( "SMESH_NODES"  ) );
    GroupConstructors->setExclusive( TRUE );
    GroupConstructors->setColumnLayout(0, Qt::Vertical );
    GroupConstructors->layout()->setSpacing( 0 );
    GroupConstructors->layout()->setMargin( 0 );
    GroupConstructorsLayout = new QGridLayout( GroupConstructors->layout() );
    GroupConstructorsLayout->setAlignment( Qt::AlignTop );
    GroupConstructorsLayout->setSpacing( 6 );
    GroupConstructorsLayout->setMargin( 11 );
    Constructor1 = new QRadioButton( GroupConstructors, "Constructor1" );
    Constructor1->setText( tr( ""  ) );
    Constructor1->setPixmap( image0 );
    Constructor1->setChecked( TRUE );
    Constructor1->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)1, (QSizePolicy::SizeType)0, Constructor1->sizePolicy().hasHeightForWidth() ) );
    Constructor1->setMinimumSize( QSize( 50, 0 ) );
    GroupConstructorsLayout->addWidget( Constructor1, 0, 0 );
    QSpacerItem* spacer = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
    GroupConstructorsLayout->addItem( spacer, 0, 1 );
    SMESHGUI_RemoveNodesDlgLayout->addWidget( GroupConstructors, 0, 0 );
    
    /***************************************************************/
    GroupButtons = new QGroupBox( this, "GroupButtons" );
    GroupButtons->setGeometry( QRect( 10, 10, 281, 48 ) ); 
    GroupButtons->setTitle( tr( ""  ) );
    GroupButtons->setColumnLayout(0, Qt::Vertical );
    GroupButtons->layout()->setSpacing( 0 );
    GroupButtons->layout()->setMargin( 0 );
    GroupButtonsLayout = new QGridLayout( GroupButtons->layout() );
    GroupButtonsLayout->setAlignment( Qt::AlignTop );
    GroupButtonsLayout->setSpacing( 6 );
    GroupButtonsLayout->setMargin( 11 );
    buttonCancel = new QPushButton( GroupButtons, "buttonCancel" );
    buttonCancel->setText( tr( "SMESH_BUT_CLOSE"  ) );
    buttonCancel->setAutoDefault( TRUE );
    GroupButtonsLayout->addWidget( buttonCancel, 0, 3 );
    buttonApply = new QPushButton( GroupButtons, "buttonApply" );
    buttonApply->setText( tr( "SMESH_BUT_APPLY"  ) );
    buttonApply->setAutoDefault( TRUE );
    GroupButtonsLayout->addWidget( buttonApply, 0, 1 );
    QSpacerItem* spacer_9 = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
    GroupButtonsLayout->addItem( spacer_9, 0, 2 );
    buttonOk = new QPushButton( GroupButtons, "buttonOk" );
    buttonOk->setText( tr( "SMESH_BUT_OK"  ) );
    buttonOk->setAutoDefault( TRUE );
    buttonOk->setDefault( TRUE );
    GroupButtonsLayout->addWidget( buttonOk, 0, 0 );
    SMESHGUI_RemoveNodesDlgLayout->addWidget( GroupButtons, 2, 0 );

    /***************************************************************/
    GroupC1 = new QGroupBox( this, "GroupC1" );
    GroupC1->setTitle( tr( "SMESH_REMOVE"  ) );
    GroupC1->setMinimumSize( QSize( 0, 0 ) );
    GroupC1->setFrameShape( QGroupBox::Box );
    GroupC1->setFrameShadow( QGroupBox::Sunken );
    GroupC1->setColumnLayout(0, Qt::Vertical );
    GroupC1->layout()->setSpacing( 0 );
    GroupC1->layout()->setMargin( 0 );
    GroupC1Layout = new QGridLayout( GroupC1->layout() );
    GroupC1Layout->setAlignment( Qt::AlignTop );
    GroupC1Layout->setSpacing( 6 );
    GroupC1Layout->setMargin( 11 );
    TextLabelC1A1 = new QLabel( GroupC1, "TextLabelC1A1" );
    TextLabelC1A1->setText( tr( "SMESH_ID_NODES"  ) );
    TextLabelC1A1->setMinimumSize( QSize( 50, 0 ) );
    TextLabelC1A1->setFrameShape( QLabel::NoFrame );
    TextLabelC1A1->setFrameShadow( QLabel::Plain );
    GroupC1Layout->addWidget( TextLabelC1A1, 0, 0 );
    SelectButtonC1A1 = new QPushButton( GroupC1, "SelectButtonC1A1" );
    SelectButtonC1A1->setText( tr( ""  ) );
    SelectButtonC1A1->setPixmap( image1 );
    SelectButtonC1A1->setToggleButton( FALSE );
    GroupC1Layout->addWidget( SelectButtonC1A1, 0, 1 );
    LineEditC1A1 = new QLineEdit( GroupC1, "LineEditC1A1" );
    LineEditC1A1->setValidator( new SMESHGUI_IdValidator( this, "validator" ));
    GroupC1Layout->addWidget( LineEditC1A1, 0, 2 );
    SMESHGUI_RemoveNodesDlgLayout->addWidget( GroupC1, 1, 0 );

    Init(Sel) ; /* Initialisations */
}

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


//=================================================================================
// function : Init()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::Init( SALOME_Selection* Sel )
{
  myBusy = false;    

  GroupC1->show();
  myConstructorId = 0 ;
  Constructor1->setChecked( TRUE );
  myEditCurrentArgument = LineEditC1A1 ;	
  mySelection = Sel;  
  myNbOkNodes = 0 ;
  myActor     = 0;
  mySMESHGUI  = SMESHGUI::GetSMESHGUI() ;
  mySMESHGUI->SetActiveDialogBox( (QDialog*)this ) ;

  /* signals and slots connections */
  connect( buttonOk, SIGNAL( clicked() ),     this, SLOT( ClickOnOk() ) );
  connect( buttonCancel, SIGNAL( clicked() ), this, SLOT( ClickOnCancel() ) ) ;
  connect( buttonApply, SIGNAL( clicked() ), this, SLOT(ClickOnApply() ) );
  connect( GroupConstructors, SIGNAL(clicked(int) ), SLOT( ConstructorsClicked(int) ) );

  connect( SelectButtonC1A1, SIGNAL (clicked() ),   this, SLOT( SetEditCurrentArgument() ) ) ;
  connect( mySMESHGUI, SIGNAL ( SignalDeactivateActiveDialog() ), this, SLOT( DeactivateActiveDialog() ) ) ;
  connect( mySelection, SIGNAL( currentSelectionChanged() ), this, SLOT( SelectionIntoArgument() ) );
  /* to close dialog if study change */
  connect( mySMESHGUI, SIGNAL ( SignalCloseAllDialogs() ), this, SLOT( ClickOnCancel() ) ) ;
  connect( myEditCurrentArgument, SIGNAL( textChanged( const QString& )),
           SLOT( onTextChange( const QString& )));

  /* Move widget on the botton right corner of main widget */
  int x, y ;
  mySMESHGUI->DefineDlgPosition( this, x, y ) ;
  this->move( x, y ) ;
  this->show() ; /* displays Dialog */

  SMESH::SetPointRepresentation(true);
  QAD_Application::getDesktop()->SetSelectionMode( NodeSelection, true );

  SelectionIntoArgument();
  return ;
}


//=================================================================================
// function : ConstructorsClicked()
// purpose  : Radio button management
//=================================================================================
void SMESHGUI_RemoveNodesDlg::ConstructorsClicked(int constructorId)
{
  return ;
}


//=================================================================================
// function : ClickOnApply()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::ClickOnApply()
{
  if (mySMESHGUI->ActiveStudyLocked())
    return;
  
  if ( myNbOkNodes )
  {
    QStringList aListId = QStringList::split( " ", myEditCurrentArgument->text(), false);
    SMESH::long_array_var anArrayOfIdeces = new SMESH::long_array;
    anArrayOfIdeces->length( aListId.count() );
    for ( int i = 0; i < aListId.count(); i++ )
      anArrayOfIdeces[i] = aListId[ i ].toInt();

    bool aResult = false;
    try
    {
      SMESH::SMESH_MeshEditor_var aMeshEditor = myMesh->GetMeshEditor();
      aResult = aMeshEditor->RemoveNodes(anArrayOfIdeces.inout()) ;
    }
    catch( ... )
    {
    }

    if ( aResult )
    {
      Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
      mySelection->ClearIObjects();
      SMESH::UpdateView();
      mySelection->AddIObject( anIO, false );
    }

    SMESH::SetPointRepresentation(true);
  }
}

//=================================================================================
// function : ClickOnOk()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::ClickOnOk()
{
  this->ClickOnApply() ;
  this->ClickOnCancel() ;

  return ;
}

	
//=================================================================================
// function : ClickOnCancel()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::ClickOnCancel()
{
  mySelection->ClearIObjects();
  SMESH::SetPointRepresentation(false);
  QAD_Application::getDesktop()->SetSelectionMode( ActorSelection );
  disconnect( mySelection, 0, this, 0 );
  mySMESHGUI->ResetState() ;
  reject() ;
  return ;
}

//=======================================================================
//function : onTextChange
//purpose  : 
//=======================================================================

void SMESHGUI_RemoveNodesDlg::onTextChange(const QString& theNewText)
{
  if ( myBusy ) return;
  myBusy = true;

  myNbOkNodes = 0;

  buttonOk->setEnabled( false );
  buttonApply->setEnabled( false );

  // hilight entered nodes
  SMDS_Mesh* aMesh = 0;
  if ( myActor )
    aMesh = myActor->GetObject()->GetMesh();
  if ( aMesh ) {

    mySelection->ClearIObjects();
    mySelection->AddIObject( myActor->getIO() );

    QStringList aListId = QStringList::split( " ", theNewText, false);
    for ( int i = 0; i < aListId.count(); i++ ) {
      const SMDS_MeshNode * n = aMesh->FindNode( aListId[ i ].toInt() );
      if ( n ) {
        if ( !mySelection->IsIndexSelected( myActor->getIO(), n->GetID() ))
          mySelection->AddOrRemoveIndex (myActor->getIO(), n->GetID(), true);
        myNbOkNodes++;
      }
    }

    if ( myNbOkNodes ) {
      buttonOk->setEnabled( true );
      buttonApply->setEnabled( true );
    }
  }

  myBusy = false;
}

//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection as changed or other case
//=================================================================================
void SMESHGUI_RemoveNodesDlg::SelectionIntoArgument()
{
  if ( myBusy ) return;

  // clear

  myNbOkNodes = false;
  myActor = 0;

  myBusy = true;
  myEditCurrentArgument->setText( "" );
  myBusy = false;

  if ( !GroupButtons->isEnabled() ) // inactive
    return;

  buttonOk->setEnabled( false );
  buttonApply->setEnabled( false );

  // get selected mesh

  int nbSel = mySelection->IObjectCount();
  if(nbSel != 1)
    return;

  myMesh = SMESH::GetMeshByIO( mySelection->firstIObject() );
  if ( myMesh->_is_nil() )
    return;

  myActor = SMESH::FindActorByEntry( mySelection->firstIObject()->getEntry() );
  if ( !myActor )
    return;

  // get selected nodes

  QString aString = "";
  int nbNodes = SMESH::GetNameOfSelectedNodes(mySelection, aString) ;
  if(nbNodes < 1)
    return ;
  myBusy = true;
  myEditCurrentArgument->setText( aString );
  myBusy = false;

  // OK

  myNbOkNodes = true;

  buttonOk->setEnabled( true );
  buttonApply->setEnabled( true );
}


//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::SetEditCurrentArgument()
{
  QPushButton* send = (QPushButton*)sender();
  switch (myConstructorId)
    {
    case 0: /* default constructor */
      {	
	if(send == SelectButtonC1A1) {
	  LineEditC1A1->setFocus() ;
	  myEditCurrentArgument = LineEditC1A1;
	}
	SelectionIntoArgument() ;
	break;
      }
    }
  return ;
}

//=================================================================================
// function : DeactivateActiveDialog()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::DeactivateActiveDialog()
{
  if ( GroupConstructors->isEnabled() ) {
    GroupConstructors->setEnabled(false) ;
    GroupC1->setEnabled(false) ;
    GroupButtons->setEnabled(false) ;
    mySMESHGUI->ResetState() ;    
    mySMESHGUI->SetActiveDialogBox(0) ;
  }
  return ;
}


//=================================================================================
// function : ActivateThisDialog()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::ActivateThisDialog()
{
  /* Emit a signal to deactivate the active dialog */
  mySMESHGUI->EmitSignalDeactivateDialog() ;   
  GroupConstructors->setEnabled(true) ;
  GroupC1->setEnabled(true) ;
  GroupButtons->setEnabled(true) ;
  
  mySMESHGUI->SetActiveDialogBox( (QDialog*)this ) ;

  SMESH::SetPointRepresentation(true);
  QAD_Application::getDesktop()->SetSelectionMode( NodeSelection, true );

  SelectionIntoArgument();
}


//=================================================================================
// function : enterEvent()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::enterEvent(QEvent* e)
{
  if ( GroupConstructors->isEnabled() )
    return ;  
  ActivateThisDialog() ;
  return ;
}


//=================================================================================
// function : closeEvent()
// purpose  :
//=================================================================================
void SMESHGUI_RemoveNodesDlg::closeEvent( QCloseEvent* e )
{
  /* same than click on cancel button */
  this->ClickOnCancel() ;
  return ;
}


//=======================================================================
//function : hideEvent
//purpose  : caused by ESC key
//=======================================================================

void SMESHGUI_RemoveNodesDlg::hideEvent ( QHideEvent * e )
{
  if ( !isMinimized() )
    ClickOnCancel();
}