Examples of org.eclipse.swt.dnd.DropTarget

org.eclipse.swt.dnd.DropTarget
op has occurred, copy over the data if (event.data == null) { // no data to copy, indicate failure in event.detail event.detail = DND.DROP_NONE; return; } label.setText ((String) event.data); // data copied to label text } });

Styles

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

Events

DND.DragEnter, DND.DragLeave, DND.DragOver, DND.DragOperationChanged, DND.DropAccept, DND.Drop

@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.

    }


    @Override
    public void dragEnter( DropTargetEvent event ) {
        if (UiPlugin.isDebugging(Trace.DND)) {
            DropTarget target = (DropTarget) event.getSource();
            Control control = target.getControl();
            
            System.out.println("UDIGDropHandler.dragEnter "+control.toString()+": Setting event.detail to COPY"); //$NON-NLS-1$
        }
        event.detail = DND.DROP_COPY;
    }

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                || isProcessingRows || isProcessingXres || isProcessingYres;
    }


    private void addDrop() {
        int operations = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT;
        DropTarget target = new DropTarget(text, operations);


        final TextTransfer textTransfer = TextTransfer.getInstance();
        final FileTransfer fileTransfer = FileTransfer.getInstance();
        final URLTransfer urlTransfer = URLTransfer.getInstance();
        final UDigByteAndLocalTransfer omsboxTransfer = UDigByteAndLocalTransfer.getInstance();
        Transfer[] types = new Transfer[]{fileTransfer, textTransfer, urlTransfer, omsboxTransfer};
        target.setTransfer(types);
        target.addDropListener(new DropTargetListener(){
            public void drop( DropTargetEvent event ) {
                if (textTransfer.isSupportedType(event.currentDataType)) {
                    String text = (String) event.data;
                    System.out.println(text);
                }

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    }


    private void addDrop() {
        int operations = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT;
        Control control = tableViewer.getControl();
        DropTarget target = new DropTarget(control, operations);


        final TextTransfer textTransfer = TextTransfer.getInstance();
        final FileTransfer fileTransfer = FileTransfer.getInstance();
        final URLTransfer urlTransfer = URLTransfer.getInstance();
        final UDigByteAndLocalTransfer omsboxTransfer = UDigByteAndLocalTransfer.getInstance();
        Transfer[] types = new Transfer[]{fileTransfer, textTransfer, urlTransfer, omsboxTransfer};
        target.setTransfer(types);
        target.addDropListener(new DropTargetListener(){
            @SuppressWarnings("nls")
            public void drop( DropTargetEvent event ) {
                if (textTransfer.isSupportedType(event.currentDataType)) {
                    String text = (String) event.data;
                    System.out.println(text);

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    setupDataManagerViewForDragAndDropInto(parent);
    setupDataManagerViewForDragAndDropOutOf(parent);
  }


  private void setupDataManagerViewForDragAndDropInto(Composite parent) {
    DropTarget dropTarget =
        new DropTarget(parent.getParent(), DND.DROP_DEFAULT | DND.DROP_MOVE);
      dropTarget.setTransfer(new Transfer[] { FileTransfer.getInstance() });
      dropTarget.addDropListener(new DropTargetAdapter() {
        @Override
        public void drop(DropTargetEvent event) {
          String fileNames[] = null;
          FileTransfer fileTransfer = FileTransfer.getInstance();

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    final DragSource source = new DragSource(tree, operations);
    source.setTransfer(types);
    treeItems = new TreeItem[1];
    source.addDragListener(this);


    DropTarget target = new DropTarget(tree, operations);
    target.setDropTargetEffect(new MyDropTargetEffect(tree));
    target.setTransfer(types);
    target.addDropListener(this);
  }

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                participantsViewer.setInput(this);


                // setup drop target
                Transfer[] types = new Transfer[] { LocalSelectionTransfer.getTransfer() };
                DropTarget target = new DropTarget(table, DND.DROP_COPY);
                target.setTransfer(types);
                target.addDropListener(new DropTargetAdapter() {
                    @Override
                    public void dragEnter(DropTargetEvent event) {
                        logger.debug("drag enter: " + event);
                        event.operations = DND.DROP_COPY;
                        event.feedback = DND.FEEDBACK_INSERT_BEFORE;

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                addSelectionListener(dndListener, filter);


        int operations = DND.DROP_COPY | DND.DROP_MOVE;


        DragSource source = new DragSource(formatComposite, operations);
        DropTarget target = new DropTarget(formatComposite, operations);


        source.addDragListener(
            new LayoutDragSourceListener(transfer[0], actionDetails));
        source.setTransfer(transfer);
        target.addDropListener(new LayoutDropTargetListener(
                actionDetails, context.getODOMSelectionManager(),
            ((LayoutODOMEditorContext) context).getLayoutEditorContext()) {


            protected ODOMElement getCurrentTarget(DropTargetEvent event) {
                return formatComposite.getElement();
            }
        });


        target.setTransfer(transfer);
    }

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        } else {
            leftDragSource = new DragSource(leftListController.list,
                    DND.DROP_MOVE);


            // Since move is allowed we need a drop target for the left list
            DropTarget leftDropTarget = new DropTarget(leftListController.list,
                    DND.DROP_MOVE);
            leftDropTarget.setTransfer(types);
            leftDropTarget.addDropListener(new DropTargetAdapter() {
                public void dragOver(DropTargetEvent event) {
                    event.feedback = DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL;
                }


                public void drop(DropTargetEvent event) {

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            });
        }


        // Creates the controller for the selected items list. This controller
        // adds and removes items from the list in the usual way.
        DropTarget rightDropTarget = new DropTarget(selectedItemsList,
                DND.DROP_COPY | DND.DROP_MOVE);


        rightDropTarget.setTransfer(types);


        rightDropTarget.addDropListener(new DropTargetAdapter() {


            public void dragOver(DropTargetEvent event) {
                event.feedback = DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL;
            }

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      public void doubleClick(DoubleClickEvent event) {
        startEdit(((Element)((IStructuredSelection)event.getSelection()).getFirstElement()));
      }
    });
    
     DropTarget dt = new DropTarget(tv.getTree(), DND.DROP_LINK);
     dt.setTransfer(new Transfer[] { TextTransfer.getInstance() });
     dt.addDropListener(new DropTargetAdapter() {
       public void drop(DropTargetEvent event) {
         try{
           String uriStr = String.valueOf(event.data).trim();
           URI uri = URI.create(uriStr);
           HFiles.getInstance().add(new File(uri).getAbsolutePath());

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