Examples of DragSourceListener

java.awt.dnd.DragSourceListener
The DragSourceListener defines the event interface for originators of Drag and Drop operations to track the state of the user's gesture, and to provide appropriate "drag over" feedback to the user throughout the Drag and Drop operation.
The drop site is associated with the previous dragEnter() invocation if the latest invocation of dragEnter() on this listener:
- corresponds to that drop site and
- is not followed by a dragExit() invocation on this listener.
@since 1.2
org.eclipse.swt.dnd.DragSourceListener
The DragSourceListener class provides event notification to the application for DragSource events.
When the user drops data on a DropTarget, the application which defines the DragSource must provide the dropped data by implementing dragSetData. In the dragSetData, the application must support all the data types that were specified in the DragSource#setTransfer method.

After the drop has completed successfully or has been aborted, the application which defines the DragSource is required to take the appropriate cleanup action. In the case of a successful move operation, the application must remove the data that was transferred.

Examples of org.eclipse.swt.dnd.DragSourceListener

  private void initDragAndDrop() {
    int ops = DND.DROP_COPY | DND.DROP_MOVE;
    Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer(), TextTransfer.getInstance(), URLTransfer.getInstance() };


    /* Drag Support */
    fViewer.addDragSupport(ops, transfers, new DragSourceListener() {
      public void dragStart(final DragSourceEvent event) {
        SafeRunner.run(new LoggingSafeRunnable() {
          public void run() throws Exception {
            LocalSelectionTransfer.getTransfer().setSelection(fViewer.getSelection());
            LocalSelectionTransfer.getTransfer().setSelectionSetTime(event.time & 0xFFFFFFFFL);

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Examples of org.eclipse.swt.dnd.DragSourceListener

  private void initDragAndDrop() {
    int ops = DND.DROP_COPY | DND.DROP_MOVE;
    Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer(), TextTransfer.getInstance(), URLTransfer.getInstance() };


    /* Drag Support */
    fResultViewer.addDragSupport(ops, transfers, new DragSourceListener() {
      public void dragStart(final DragSourceEvent event) {
        SafeRunner.run(new LoggingSafeRunnable() {
          public void run() throws Exception {
            LocalSelectionTransfer.getTransfer().setSelection(fResultViewer.getSelection());
            LocalSelectionTransfer.getTransfer().setSelectionSetTime(event.time & 0xFFFFFFFFL);

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Examples of org.eclipse.swt.dnd.DragSourceListener


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


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


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


      public void dragStart(DragSourceEvent event) {
        TreeItem[] selection = mTableViewer.getTree().getSelection();

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Examples of org.eclipse.swt.dnd.DragSourceListener


    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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Examples of org.eclipse.swt.dnd.DragSourceListener

    }


    private void addDragDropSupport() {
        // TODO: Support drag and drop of directories
        Transfer[] transfers = new Transfer[] { FileTransfer.getInstance()};
        viewer.addDragSupport(DND.DROP_COPY, transfers, new DragSourceListener() {
            private TreeObject[] target;


            public void dragFinished(DragSourceEvent event) {
                target = null;
                event.doit = true;

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Examples of org.eclipse.swt.dnd.DragSourceListener

  /**
   * Configures DND in {@link #m_viewer}.
   */
  private void configureDND() {
    Transfer[] transfers = new Transfer[]{EmptyTransfer.INSTANCE};
    m_viewer.addDragSupport(DND.DROP_MOVE, transfers, new DragSourceListener() {
      public void dragStart(DragSourceEvent event) {
        m_dragElements = getSelectedElements();
        m_dragCategory = m_dragElements.get(0) instanceof CategoryInfo;
        // check that we drag only categories or only entries
        for (Object element : m_dragElements) {

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Examples of org.eclipse.swt.dnd.DragSourceListener

            hideSelfImportsFilter
        });


        viewer.addDragSupport(DND.DROP_MOVE | DND.DROP_COPY, new Transfer[] {
            LocalSelectionTransfer.getTransfer()
        }, new DragSourceListener() {
            public void dragStart(DragSourceEvent event) {}


            public void dragSetData(DragSourceEvent event) {
                LocalSelectionTransfer transfer = LocalSelectionTransfer.getTransfer();
                if (transfer.isSupportedType(event.dataType))

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Examples of org.eclipse.swt.dnd.DragSourceListener


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


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


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


      public void dragStart(DragSourceEvent event) {
        TreeItem[] selection = mTableViewer.getTree().getSelection();

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Examples of org.eclipse.swt.dnd.DragSourceListener


    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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Examples of org.eclipse.swt.dnd.DragSourceListener


  private void setupDataManagerViewForDragAndDropOutOf(Composite parent) {
    Transfer[] types = new Transfer[] { new CIShellDataTransfer(Activator.context) };
    DragSource dragSource = new DragSource(parent, DND.DROP_DEFAULT | DND.DROP_MOVE);
    dragSource.setTransfer(types);
    dragSource.addDragListener(new DragSourceListener() {
      private Data[] selectedData;


      public void dragStart(DragSourceEvent event) {
        System.err.println("dragStart");
        Data[] selectedData = AbstractDataManagerView.this.manager.getSelectedData();

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