src/OCCViewer/OCCViewer_CreateRestoreViewDlg.cxx

   1 // Copyright (C) 2005  OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License.
   7 //
   8 // This library is distributed in the hope that it will be useful
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/
  18 //
  19 #include "OCCViewer_CreateRestoreViewDlg.h"
  20 #include "OCCViewer_ViewModel.h"
  21 #include "OCCViewer_ViewPort3d.h"
  22
  23 #include <qpushbutton.h>
  24 #include <qlayout.h>
  25 #include <qpainter.h>
  26 #include <qimage.h>
  27
  28 OCCViewer_CreateRestoreViewDlg::OCCViewer_CreateRestoreViewDlg( QWidget* aWin, OCCViewer_Viewer* curModel )
  29 : QDialog( aWin )
  30 {
  31   setCaption( tr( "CAPTION" ) );
  32
  33   myParametersMap = curModel->getViewAspects();
  34
  35   myKeyFlag = 0;
  36
  37   int aQuantityOfItems = myParametersMap.count();
  38
  39   setFixedSize( 400, 300 );
  40
  41   QGridLayout* aGrid = new QGridLayout( this, 2, 1, 5, 10 );
  42
  43   QWidget* aWidget1 = new QWidget( this );
  44   QWidget* aWidget2 = new QWidget( this );
  45
  46   QHBoxLayout* aLayout = new QHBoxLayout( aWidget1 );
  47
  48   myListBox = new QtxListBox( aWidget1 );
  49   myListBox->installEventFilter( this );
  50
  51   myCurViewPort = new OCCViewer_ViewPort3d( aWidget1, curModel->getViewer3d(), V3d_ORTHOGRAPHIC );
  52   myCurViewPort->getView()->SetBackgroundColor( Quantity_NOC_BLACK );
  53
  54   myListBox->setEditEnabled( 1 );
  55
  56   if ( aQuantityOfItems )
  57   {
  58     myListBox->clear();
  59     for( int i = 0; i < aQuantityOfItems; i++ )
  60       myListBox->insertItem( myParametersMap[ i ].name );
  61
  62     changeImage( myListBox->item( 0 ) );
  63   }
  64   else
  65   {
  66     myListBox->clear();
  67     myListBox->insertItem( "No Items", 0 );
  68     myListBox->setEditEnabled( 0 );
  69   }
  70
  71   connect( myListBox, SIGNAL( clicked( QListBoxItem* ) ), this, SLOT( changeImage( QListBoxItem* ) ) );
  72   connect( myListBox, SIGNAL( itemEdited( QListBoxItem* ) ), this, SLOT( editItemText( QListBoxItem* ) ) );
  73
  74   aLayout->addWidget( myListBox );
  75   aLayout->addWidget( myCurViewPort, 30 );
  76
  77   QHBoxLayout* aButtonLayout = new QHBoxLayout( aWidget2, 0, 5 );
  78
  79   QPushButton* theOk     = new QPushButton( tr( "Ok" ), aWidget2 );            theOk->setAutoDefault( false );
  80   QPushButton* theCancel = new QPushButton( tr( "Cancel" ), aWidget2 );          theCancel->setAutoDefault( false );
  81   QPushButton* theDelete = new QPushButton( tr( "Delete" ), aWidget2 );          theDelete->setAutoDefault( false );
  82   QPushButton* theClearAll = new QPushButton( tr( "Clear List" ), aWidget2 );  theClearAll->setAutoDefault( false );
  83
  84   aButtonLayout->addWidget( theOk );
  85   aButtonLayout->addWidget( theCancel );
  86   aButtonLayout->addWidget( theDelete );
  87   aButtonLayout->addWidget( theClearAll );
  88
  89   aGrid->addWidget( aWidget1, 0, 0 );
  90   aGrid->addWidget( aWidget2, 1, 0 );
  91
  92   connect( theOk, SIGNAL( clicked() ), this, SLOT( OKpressed() ) );
  93   connect( theCancel, SIGNAL( clicked() ), this, SLOT( reject() ) );
  94   connect( theDelete, SIGNAL( clicked() ), this, SLOT( deleteSelectedItems() ) );
  95   connect( theClearAll, SIGNAL( clicked() ), this, SLOT( clearList() ) );
  96 }
  97
  98 OCCViewer_CreateRestoreViewDlg::~OCCViewer_CreateRestoreViewDlg()
  99 {
 100 }
 101
 102 void OCCViewer_CreateRestoreViewDlg::changeImage( QListBoxItem* curItem )
 103 {
 104         if( curItem && myListBox->isEditEnabled() )
 105         {
 106                 int lowLevel  = -1;
 107                 int highLevel = -1;
 108                 int index = curItem->listBox()->index( curItem );
 109                 if( myKeyFlag == 2 )
 110                 {
 111                         for( int i = 0; i < myListBox->count(); i++ )
 112                         {
 113                                 if( myListBox->isSelected( i ) && i != index )
 114                                 {
 115                                         myListBox->clearSelection();
 116                                         if( i > index )
 117                                         {
 118                                                 lowLevel  = index;
 119                                                 highLevel = i;
 120                                         }
 121                                         else
 122                                         {
 123                                                 lowLevel  = i;
 124                                                 highLevel = index;
 125                                         }
 126                                         for( int j = lowLevel; j <= highLevel; j++ )
 127                                                 myListBox->setSelected( j, TRUE );
 128                                         break;
 129                                 }
 130                                 if( myListBox->isSelected( i ) && i == index )
 131                                         myListBox->setSelected( i, TRUE );
 132                         }
 133                 }
 134
 135                 Handle(V3d_View) aView3d = myCurViewPort->getView();
 136                 myCurrentItem = myParametersMap[ index ];
 137
 138                 Standard_Boolean prev = aView3d->SetImmediateUpdate( Standard_False );
 139                 aView3d->SetScale( myCurrentItem.scale );
 140                 aView3d->SetCenter( myCurrentItem.centerX, myCurrentItem.centerY );
 141                 aView3d->SetProj( myCurrentItem.projX, myCurrentItem.projY, myCurrentItem.projZ );
 142                 aView3d->SetTwist( myCurrentItem.twist );
 143                 aView3d->SetAt( myCurrentItem.atX, myCurrentItem.atY, myCurrentItem.atZ );
 144                 aView3d->SetImmediateUpdate( prev );
 145                 aView3d->SetEye( myCurrentItem.eyeX, myCurrentItem.eyeY, myCurrentItem.eyeZ );
 146          }
 147 }
 148
 149 viewAspect OCCViewer_CreateRestoreViewDlg::currentItem() const
 150 {
 151         return myCurrentItem;
 152 }
 153
 154 void OCCViewer_CreateRestoreViewDlg::deleteSelectedItems()
 155 {
 156         if( myListBox->count() && myListBox->isEditEnabled() )
 157         {
 158                 int curIndex = -1;
 159                 for( int i = 0; i < myListBox->count(); i++ )
 160                         if( myListBox->isSelected( i ) )
 161                         {
 162                                 myListBox->removeItem( i );
 163                                 for( int j = i; j < myParametersMap.count(); j++ )
 164                                         if( j != myParametersMap.count() - 1 )
 165                                                 myParametersMap[ j ] = myParametersMap[ j + 1 ];
 166                                         else
 167                                                 myParametersMap.remove( myParametersMap.at(j) );
 168                                 if( i != myListBox->count() )
 169                                         curIndex = i;
 170                                 else
 171                                         curIndex = i - 1;
 172                                 i--;
 173                         }
 174                 if( curIndex >= 0 )
 175                 {
 176                         myListBox->setCurrentItem( curIndex );
 177                         changeImage( myListBox->item( curIndex ) );
 178                 }
 179         }
 180         if( !myListBox->count() )
 181         {
 182                 myListBox->clear();
 183                 myListBox->insertItem( "No Items", 0 );
 184                 myListBox->setEditEnabled( 0 );
 185         }
 186 }
 187
 188 void OCCViewer_CreateRestoreViewDlg::clearList()
 189 {
 190         myListBox->clear();
 191         myListBox->insertItem( "No Items", 0 );
 192         myListBox->setEditEnabled( 0 );
 193
 194         myParametersMap.clear();
 195 }
 196
 197 const viewAspectList& OCCViewer_CreateRestoreViewDlg::parameters() const
 198 {
 199         return myParametersMap;
 200 }
 201
 202 void OCCViewer_CreateRestoreViewDlg::editItemText( QListBoxItem* anItem )
 203 {
 204         int index = anItem->listBox()->index( anItem );
 205         myParametersMap[ index ].name = anItem->text().latin1();
 206 }
 207
 208 bool OCCViewer_CreateRestoreViewDlg::eventFilter( QObject* anObj, QEvent* anEv )
 209 {
 210         if( anEv->type() == QEvent::KeyPress )
 211         {
 212                 QKeyEvent* aKeyEv = ( QKeyEvent* )anEv;
 213                 if( aKeyEv->key() == Qt::Key_Control )
 214                 {
 215                         myKeyFlag = 1;
 216                         myListBox->setSelectionMode( QListBox::Multi );
 217                 }
 218                 else if( aKeyEv->key() == Qt::Key_Shift )
 219                 {
 220                         myKeyFlag = 2;
 221                         myListBox->setSelectionMode( QListBox::Multi );
 222                 }
 223                 else
 224                         myListBox->setSelectionMode( QListBox::Single );
 225         }
 226         if( anEv->type() == QEvent::KeyRelease )
 227                 myKeyFlag = 0;
 228
 229         if( !myKeyFlag )
 230         {
 231                 if( anEv->type() == QEvent::KeyPress || anEv->type() == QEvent::MouseButtonPress )
 232                         myListBox->setSelectionMode( QListBox::Single );
 233         }
 234         return QWidget::eventFilter( anObj, anEv );
 235 }
 236
 237 void OCCViewer_CreateRestoreViewDlg::OKpressed()
 238 {
 239         emit dlgOk();
 240         accept();
 241 }
 242