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