Examples of org.eclipse.swt.dnd.DragSource

org.eclipse.swt.dnd.DragSource
le a label as a Drag Source Label label = new Label(shell, SWT.NONE); // This example will allow text to be dragged Transfer[] types = new Transfer[] {TextTransfer.getInstance()}; // This example will allow the text to be copied or moved to the drop target int operations = DND.DROP_MOVE | DND.DROP_COPY; DragSource source = new DragSource(label, operations); source.setTransfer(types); source.addDragListener(new DragSourceListener() { public void dragStart(DragSourceEvent e) { // Only start the drag if there is actually text in the // label - this text will be what is dropped on the target. if (label.getText().length() == 0) { event.doit = false; } }; public void dragSetData(DragSourceEvent event) { // A drop has been performed, so provide the data of the // requested type. // (Checking the type of the requested data is only // necessary if the drag source supports more than // one data type but is shown here as an example). if (TextTransfer.getInstance().isSupportedType(event.dataType)){ event.data = label.getText(); } } public void dragFinished(DragSourceEvent event) { // A Move operation has been performed so remove the data // from the source if (event.detail == DND.DROP_MOVE) label.setText(""); } });

Styles

DND.DROP_NONE, DND.DROP_COPY, DND.DROP_MOVE, DND.DROP_LINK

Events

DND.DragStart, DND.DragSetData, DND.DragEnd

@see Drag and Drop snippets @see SWT Example: DNDExample @see Sample code and further information @noextend This class is not intended to be subclassed by clients.

        // not needed
      }


    });


    DragSource dragSource = new DragSource(getSourceViewer().getTextWidget(), DND.DROP_COPY);


    Transfer[] types = new Transfer[] { FeatureStructureTransfer.getInstance() };


    dragSource.setTransfer(types);


    dragSource.addDragListener(new FeatureStructureDragListener(getSourceViewer().getTextWidget()));


    getSite().getPage().addSelectionListener(this);


    getSourceViewer().getTextWidget().setEditable(false);
    getSourceViewer().setEditable(false);

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    //installTextDragAndDrop(getSourceViewer());
    CFEDragDropListener ddListener = new CFEDragDropListener(this,
        (ProjectionViewer) this.getSourceViewer(), SelectionCursorListener);
    IDragAndDropService dtSvc = (IDragAndDropService) getSite().getService(IDragAndDropService.class);
    dtSvc.addMergedDropTarget(tw, operations, transfers, ddListener);
    final DragSource source= new DragSource(tw, DND.DROP_COPY | DND.DROP_MOVE);
    source.setTransfer(new Transfer[] {TextTransfer.getInstance()});
    source.addDragListener(ddListener);      
  }

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    StyledText st= getSourceViewer().getTextWidget();
    if(st != null) {      
      dndService.removeMergedDropTarget(st);
      
      DragSource dragSource= (DragSource)st.getData(DND.DRAG_SOURCE_KEY);
      if (dragSource != null) {
        dragSource.dispose();
        st.setData(DND.DRAG_SOURCE_KEY, null);
      }
    }
    //Remove the listener
    if(SelectionCursorListener!=null){

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        }
        return null;
      }


    });
    final DragSource dragSource = new DragSource(gallery, DND.DROP_COPY);
    dragSource.setTransfer(new Transfer[] { FileTransfer.getInstance() });
    dragSource.addDragListener(new DragSourceListener() {


      private String[] dataX;


      public void dragFinished(DragSourceEvent event) {
        this.dataX = null;

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   * @see org.eclipse.swt.dnd.DND
   */
  public void addDragSupport(int operations, Transfer[] transferTypes, DragSourceListener listener) {


    Control myControl = getControl();
    final DragSource dragSource = new DragSource(myControl, operations);
    dragSource.setTransfer(transferTypes);
    dragSource.addDragListener(listener);
  }

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    {
        if ( ConnectionTransfer.getInstance().isSupportedType( event.dataType ) )
        {
            if ( event.widget instanceof DragSource )
            {
                DragSource dragSource = ( DragSource ) event.widget;
                if ( dragSource.getControl() instanceof Table )
                {
                    Table table = ( Table ) dragSource.getControl();
                    TableItem[] items = table.getSelection();
                    List<IConnection> connectionList = new ArrayList<IConnection>();
                    for ( int i = 0; i < items.length; i++ )
                    {
                        if ( items[i].getData() instanceof IConnection )

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    {
        if ( ConnectionTransfer.getInstance().isSupportedType( event.dataType ) )
        {
            if ( event.widget instanceof DragSource )
            {
                DragSource dragSource = ( DragSource ) event.widget;
                if ( dragSource.getControl() instanceof Table )
                {
                    Table table = ( Table ) dragSource.getControl();
                    TableItem[] items = table.getSelection();
                    List connectionList = new ArrayList();
                    for ( int i = 0; i < items.length; i++ )
                    {
                        if ( items[i].getData() instanceof IConnection )

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