src/OCCViewer/OCCViewer_CreateRestoreViewDlg.cxx

   1 #include "OCCViewer_CreateRestoreViewDlg.h"
   2 #include "OCCViewer_ViewModel.h"
   3 #include "OCCViewer_ViewPort3d.h"
   4
   5 #include <qpushbutton.h>
   6 #include <qlayout.h>
   7 #include <qpainter.h>
   8 #include <qimage.h>
   9
  10 OCCViewer_CreateRestoreViewDlg::OCCViewer_CreateRestoreViewDlg( QWidget* aWin, OCCViewer_Viewer* curModel )
  11 : QDialog( aWin )
  12 {
  13   setCaption( tr( "CAPTION" ) );
  14
  15   myParametersMap = curModel->getViewAspects();
  16
  17   myKeyFlag = 0;
  18
  19   int aQuantityOfItems = myParametersMap.count();
  20
  21   setFixedSize( 400, 300 );
  22
  23   QGridLayout* aGrid = new QGridLayout( this, 2, 1, 5, 10 );
  24
  25   QWidget* aWidget1 = new QWidget( this );
  26   QWidget* aWidget2 = new QWidget( this );
  27
  28   QHBoxLayout* aLayout = new QHBoxLayout( aWidget1 );
  29
  30   myListBox = new QtxListBox( aWidget1 );
  31   myListBox->installEventFilter( this );
  32
  33   myCurViewPort = new OCCViewer_ViewPort3d( aWidget1, curModel->getViewer3d(), V3d_ORTHOGRAPHIC );
  34   myCurViewPort->getView()->SetBackgroundColor( Quantity_NOC_BLACK );
  35
  36   myListBox->setEditEnabled( 1 );
  37
  38   if ( aQuantityOfItems )
  39   {
  40     myListBox->clear();
  41     for( int i = 0; i < aQuantityOfItems; i++ )
  42       myListBox->insertItem( myParametersMap[ i ].name );
  43
  44     changeImage( myListBox->item( 0 ) );
  45   }
  46   else
  47   {
  48     myListBox->clear();
  49     myListBox->insertItem( "No Items", 0 );
  50     myListBox->setEditEnabled( 0 );
  51   }
  52
  53   connect( myListBox, SIGNAL( clicked( QListBoxItem* ) ), this, SLOT( changeImage( QListBoxItem* ) ) );
  54   connect( myListBox, SIGNAL( itemEdited( QListBoxItem* ) ), this, SLOT( editItemText( QListBoxItem* ) ) );
  55
  56   aLayout->addWidget( myListBox );
  57   aLayout->addWidget( myCurViewPort, 30 );
  58
  59   QHBoxLayout* aButtonLayout = new QHBoxLayout( aWidget2, 0, 5 );
  60
  61   QPushButton* theOk     = new QPushButton( tr( "Ok" ), aWidget2 );            theOk->setAutoDefault( false );
  62   QPushButton* theCancel = new QPushButton( tr( "Cancel" ), aWidget2 );          theCancel->setAutoDefault( false );
  63   QPushButton* theDelete = new QPushButton( tr( "Delete" ), aWidget2 );          theDelete->setAutoDefault( false );
  64   QPushButton* theClearAll = new QPushButton( tr( "Clear List" ), aWidget2 );  theClearAll->setAutoDefault( false );
  65
  66   aButtonLayout->addWidget( theOk );
  67   aButtonLayout->addWidget( theCancel );
  68   aButtonLayout->addWidget( theDelete );
  69   aButtonLayout->addWidget( theClearAll );
  70
  71   aGrid->addWidget( aWidget1, 0, 0 );
  72   aGrid->addWidget( aWidget2, 1, 0 );
  73
  74   connect( theOk, SIGNAL( clicked() ), this, SLOT( OKpressed() ) );
  75   connect( theCancel, SIGNAL( clicked() ), this, SLOT( reject() ) );
  76   connect( theDelete, SIGNAL( clicked() ), this, SLOT( deleteSelectedItems() ) );
  77   connect( theClearAll, SIGNAL( clicked() ), this, SLOT( clearList() ) );
  78 }
  79
  80 OCCViewer_CreateRestoreViewDlg::~OCCViewer_CreateRestoreViewDlg()
  81 {
  82 }
  83
  84 void OCCViewer_CreateRestoreViewDlg::changeImage( QListBoxItem* curItem )
  85 {
  86         if( curItem && myListBox->isEditEnabled() )
  87         {
  88                 int lowLevel  = -1;
  89                 int highLevel = -1;
  90                 int index = curItem->listBox()->index( curItem );
  91                 if( myKeyFlag == 2 )
  92                 {
  93                         for( int i = 0; i < myListBox->count(); i++ )
  94                         {
  95                                 if( myListBox->isSelected( i ) && i != index )
  96                                 {
  97                                         myListBox->clearSelection();
  98                                         if( i > index )
  99                                         {
 100                                                 lowLevel  = index;
 101                                                 highLevel = i;
 102                                         }
 103                                         else
 104                                         {
 105                                                 lowLevel  = i;
 106                                                 highLevel = index;
 107                                         }
 108                                         for( int j = lowLevel; j <= highLevel; j++ )
 109                                                 myListBox->setSelected( j, TRUE );
 110                                         break;
 111                                 }
 112                                 if( myListBox->isSelected( i ) && i == index )
 113                                         myListBox->setSelected( i, TRUE );
 114                         }
 115                 }
 116
 117                 Handle(V3d_View) aView3d = myCurViewPort->getView();
 118                 myCurrentItem = myParametersMap[ index ];
 119
 120                 Standard_Boolean prev = aView3d->SetImmediateUpdate( Standard_False );
 121                 aView3d->SetScale( myCurrentItem.scale );
 122                 aView3d->SetCenter( myCurrentItem.centerX, myCurrentItem.centerY );
 123                 aView3d->SetProj( myCurrentItem.projX, myCurrentItem.projY, myCurrentItem.projZ );
 124                 aView3d->SetTwist( myCurrentItem.twist );
 125                 aView3d->SetAt( myCurrentItem.atX, myCurrentItem.atY, myCurrentItem.atZ );
 126                 aView3d->SetImmediateUpdate( prev );
 127                 aView3d->SetEye( myCurrentItem.eyeX, myCurrentItem.eyeY, myCurrentItem.eyeZ );
 128          }
 129 }
 130
 131 viewAspect OCCViewer_CreateRestoreViewDlg::currentItem() const
 132 {
 133         return myCurrentItem;
 134 }
 135
 136 void OCCViewer_CreateRestoreViewDlg::deleteSelectedItems()
 137 {
 138         if( myListBox->count() && myListBox->isEditEnabled() )
 139         {
 140                 int curIndex = -1;
 141                 for( int i = 0; i < myListBox->count(); i++ )
 142                         if( myListBox->isSelected( i ) )
 143                         {
 144                                 myListBox->removeItem( i );
 145                                 for( int j = i; j < myParametersMap.count(); j++ )
 146                                         if( j != myParametersMap.count() - 1 )
 147                                                 myParametersMap[ j ] = myParametersMap[ j + 1 ];
 148                                         else
 149                                                 myParametersMap.remove( myParametersMap.at(j) );
 150                                 if( i != myListBox->count() )
 151                                         curIndex = i;
 152                                 else
 153                                         curIndex = i - 1;
 154                                 i--;
 155                         }
 156                 if( curIndex >= 0 )
 157                 {
 158                         myListBox->setCurrentItem( curIndex );
 159                         changeImage( myListBox->item( curIndex ) );
 160                 }
 161         }
 162         if( !myListBox->count() )
 163         {
 164                 myListBox->clear();
 165                 myListBox->insertItem( "No Items", 0 );
 166                 myListBox->setEditEnabled( 0 );
 167         }
 168 }
 169
 170 void OCCViewer_CreateRestoreViewDlg::clearList()
 171 {
 172         myListBox->clear();
 173         myListBox->insertItem( "No Items", 0 );
 174         myListBox->setEditEnabled( 0 );
 175
 176         myParametersMap.clear();
 177 }
 178
 179 const viewAspectList& OCCViewer_CreateRestoreViewDlg::parameters() const
 180 {
 181         return myParametersMap;
 182 }
 183
 184 void OCCViewer_CreateRestoreViewDlg::editItemText( QListBoxItem* anItem )
 185 {
 186         int index = anItem->listBox()->index( anItem );
 187         myParametersMap[ index ].name = anItem->text().latin1();
 188 }
 189
 190 bool OCCViewer_CreateRestoreViewDlg::eventFilter( QObject* anObj, QEvent* anEv )
 191 {
 192         if( anEv->type() == QEvent::KeyPress )
 193         {
 194                 QKeyEvent* aKeyEv = ( QKeyEvent* )anEv;
 195                 if( aKeyEv->key() == Qt::Key_Control )
 196                 {
 197                         myKeyFlag = 1;
 198                         myListBox->setSelectionMode( QListBox::Multi );
 199                 }
 200                 else if( aKeyEv->key() == Qt::Key_Shift )
 201                 {
 202                         myKeyFlag = 2;
 203                         myListBox->setSelectionMode( QListBox::Multi );
 204                 }
 205                 else
 206                         myListBox->setSelectionMode( QListBox::Single );
 207         }
 208         if( anEv->type() == QEvent::KeyRelease )
 209                 myKeyFlag = 0;
 210
 211         if( !myKeyFlag )
 212         {
 213                 if( anEv->type() == QEvent::KeyPress || anEv->type() == QEvent::MouseButtonPress )
 214                         myListBox->setSelectionMode( QListBox::Single );
 215         }
 216         return QWidget::eventFilter( anObj, anEv );
 217 }
 218
 219 void OCCViewer_CreateRestoreViewDlg::OKpressed()
 220 {
 221         emit dlgOk();
 222         accept();
 223 }
 224