libs/cpPipelineEditor/Canvas.cxx

   1 // -------------------------------------------------------------------------
   2 // @author Leonardo Florez-Valencia (florez-l@javeriana.edu.co)
   3 // -------------------------------------------------------------------------
   4
   5 #include <cpPipelineEditor/Canvas.h>
   6
   7 #include <QDragEnterEvent>
   8 #include <QTreeWidget>
   9
  10 // -------------------------------------------------------------------------
  11 cpPipelineEditor::Canvas::
  12 Canvas( QWidget* parent )
  13   : Superclass( parent )
  14 {
  15   this->m_Scene = new QGraphicsScene( this );
  16   this->setScene( this->m_Scene );
  17   this->setRenderHint( QPainter::Antialiasing );
  18   this->setAcceptDrops( true );
  19 }
  20
  21 // -------------------------------------------------------------------------
  22 cpPipelineEditor::Canvas::
  23 ~Canvas( )
  24 {
  25 }
  26
  27 // -------------------------------------------------------------------------
  28 void cpPipelineEditor::Canvas::
  29 dragEnterEvent( QDragEnterEvent* event )
  30 {
  31   const QMimeData* mime = event->mimeData( );
  32   if( mime->hasFormat( "application/x-qabstractitemmodeldatalist" ) )
  33     event->acceptProposedAction( );
  34 }
  35
  36 // -------------------------------------------------------------------------
  37 void cpPipelineEditor::Canvas::
  38 dragLeaveEvent( QDragLeaveEvent* event )
  39 {
  40 }
  41
  42 // -------------------------------------------------------------------------
  43 void cpPipelineEditor::Canvas::
  44 dragMoveEvent( QDragMoveEvent* event )
  45 {
  46 }
  47
  48 // -------------------------------------------------------------------------
  49 void cpPipelineEditor::Canvas::
  50 dropEvent( QDropEvent* event )
  51 {
  52   // Get dropped data
  53   const QMimeData* mime = event->mimeData( );
  54   if( !( mime->hasFormat( "application/x-qabstractitemmodeldatalist" ) ) )
  55     return;
  56   event->acceptProposedAction( );
  57   QTreeWidget* tree = dynamic_cast< QTreeWidget* >( event->source( ) );
  58   if( tree == NULL )
  59     return;
  60
  61   // Process dropped data
  62   QList< QTreeWidgetItem* > items = tree->selectedItems( );
  63   for(
  64     QList< QTreeWidgetItem* >::const_iterator iIt = items.begin( );
  65     iIt != items.end( );
  66     ++iIt
  67     )
  68   {
  69     /* TODO
  70        auto parent = ( *iIt )->parent( );
  71        if( parent != NULL )
  72        this->addFilter(
  73        parent->text( 0 ).toStdString( ),
  74        ( *iIt )->text( 0 ).toStdString( ),
  75        p
  76        );
  77     */
  78
  79   } // rof
  80 }
  81
  82 // eof - $RCSfile$