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.

     *            cleanup after the drag and drop operation finishes
     * @see org.eclipse.swt.dnd.DND
     */
    public void addDragSupport(final int operations,
            final Transfer[] transferTypes, final DragSourceListener listener) {
        final DragSource dragSource = new DragSource(this, operations);
        dragSource.setTransfer(transferTypes);


        DragSourceListener wrapper = new DragSourceListener() {


            @Override
            public void dragStart(DragSourceEvent event) {
                listener.dragStart(event);
            }


            @Override
            public void dragSetData(DragSourceEvent event) {
                listener.dragSetData(event);
            }


            @Override
            public void dragFinished(DragSourceEvent event) {
                listener.dragFinished(event);
                // ensure to stop any current active internal drag mode
                NatTable.this.modeSupport.switchMode(Mode.NORMAL_MODE);
            }
        };


        dragSource.addDragListener(wrapper);
    }

View Full Code Here

                moveDownAction.attach( moveActionHandlerListener );
                
                final ElementsTransfer transfer = new ElementsTransfer( element().type().getModelElementClass().getClassLoader() );
                final Transfer[] transfers = new Transfer[] { transfer };
                
                final DragSource dragSource = new DragSource( this.table, DND.DROP_COPY | DND.DROP_MOVE );
                dragSource.setTransfer( transfers );


                final List<Element> dragElements = new ArrayList<Element>();
                
                dragSource.addDragListener
                (
                    new DragSourceListener()
                    {
                        public void dragStart( final DragSourceEvent event )
                        {

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    {
        if ( ConnectionTransfer.getInstance().isSupportedType( event.dataType ) )
        {
            if ( event.widget instanceof DragSource )
            {
                DragSource dragSource = ( DragSource ) event.widget;
                if ( dragSource.getControl() instanceof Tree )
                {
                    List<Object> objectList = new ArrayList<Object>();
                    if ( selection != null )
                    {
                        for ( Iterator<?> iterator = selection.iterator(); iterator.hasNext(); )

View Full Code Here

  }


  private void createDragSource() {
    if (dragSource != null)
      dragSource.dispose();
    dragSource = new DragSource(dragControl, dragOperation);
    dragSource.setTransfer(dragTypes);
    dragSource.addDragListener(new DragSourceListener() {
      public void dragFinished(org.eclipse.swt.dnd.DragSourceEvent event) {
        dragConsole.append(">>dragFinished\n");
        printEvent(event);

View Full Code Here

   * Creates the Drag & Drop DragSource for items being dragged from the table.
   * 
   * @return the DragSource for the table
   */
  private DragSource createTableDragSource(final Table table) {
    DragSource dragSource = new DragSource(table, DND.DROP_MOVE | DND.DROP_COPY);
    dragSource.setTransfer(new Transfer[] { FileTransfer.getInstance() });
    dragSource.addDragListener(new DragSourceListener() {
      TableItem[]  dndSelection  = null;
      String[]  sourceNames    = null;


      public void dragFinished(DragSourceEvent event) {
        dragSourceHandleDragFinished(event, sourceNames);

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   * Creates the Drag & Drop DragSource for items being dragged from the tree.
   * 
   * @return the DragSource for the tree
   */
  private DragSource createTreeDragSource(final Tree tree) {
    DragSource dragSource = new DragSource(tree, DND.DROP_MOVE | DND.DROP_COPY);
    dragSource.setTransfer(new Transfer[] { FileTransfer.getInstance() });
    dragSource.addDragListener(new DragSourceListener() {
      TreeItem[]  dndSelection  = null;
      String[]  sourceNames    = null;


      public void dragFinished(DragSourceEvent event) {
        dragSourceHandleDragFinished(event, sourceNames);

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            handleDeletePreviousWord = new HandleDeletePreviousWord();
            handleLineStartAction = new HandleLineStartAction();
        }


        private void initDragDrop() {
            DragSource dragSource = new DragSource(this, DND.DROP_COPY | DND.DROP_MOVE);
            dragSource.addDragListener(new DragSourceAdapter());
            dragSource.setTransfer(new Transfer[] { org.eclipse.swt.dnd.TextTransfer.getInstance() });


            DropTarget dropTarget = new DropTarget(this, DND.DROP_COPY | DND.DROP_MOVE);
            dropTarget.setTransfer(new Transfer[] { LocalSelectionTransfer.getTransfer(),
                    org.eclipse.swt.dnd.TextTransfer.getInstance() });
            dropTarget.addDropListener(new DragTargetAdapter());

View Full Code Here

      addDragSupport(menuHyperlink, operations, transferTypes, listener);
  }


  private DragSource addDragSupport(Control control, int operations,
      Transfer[] transferTypes, DragSourceListener listener) {
    DragSource source = new DragSource(control, operations);
    source.setTransfer(transferTypes);
    source.addDragListener(listener);
    source.setDragSourceEffect(new DragSourceEffect(control) {
      public void dragStart(DragSourceEvent event) {
        event.image = createDragEffectImage();
      }
    });
    return source;

View Full Code Here

        filteredTree.changeFilterText( outline.getFilterText() );
        
        final ElementsTransfer transfer = new ElementsTransfer( getModelElement().type().getModelElementClass().getClassLoader() );
        final Transfer[] transfers = new Transfer[] { transfer };
        
        final DragSource dragSource = new DragSource( tree, DND.DROP_COPY | DND.DROP_MOVE );
        dragSource.setTransfer( transfers );


        final List<Element> dragElements = new ArrayList<Element>();
        
        dragSource.addDragListener
        (
            new DragSourceListener()
            {
                public void dragStart( final DragSourceEvent event )
                {

View Full Code Here

      public void dropAccept(DropTargetEvent event) {
      }
    });




    DragSource source = new DragSource(viewer.getTree(), DND.DROP_COPY);


    source.setTransfer(new Transfer[] { FeatureStructureTransfer.getInstance() });


    source.addDragListener(new DragSourceListener() {
      TreeItem dragSourceItem = null;


      public void dragStart(DragSourceEvent event) {


        event.doit = false;

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