Examples with DragSourceEvent org.eclipse.swt.dnd.DragSourceEvent used on opensource projects

Example 11 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project nebula.widgets.nattable by eclipse.

the class NatTable method addDragSupport.

// DND /////////////////////////////////////////////////////////////////
/**
 * Adds support for dragging items out of this control via a user
 * drag-and-drop operation.
 *
 * @param operations
 *            a bitwise OR of the supported drag and drop operation types (
 *            <code>DROP_COPY</code>,<code>DROP_LINK</code>, and
 *            <code>DROP_MOVE</code>)
 * @param transferTypes
 *            the transfer types that are supported by the drag operation
 * @param listener
 *            the callback that will be invoked to set the drag data and to
 *            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);
}

Example 12 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project tdq-studio-se by Talend.

the class AnalysisColumnNominalIntervalTreeViewer method addSourceDND.

/**
 * DOC bZhou Comment method "addSourceDND".
 *
 * @param newTree
 */
private void addSourceDND(final Tree newTree) {
    final LocalSelectionTransfer transfer = LocalSelectionTransfer.getTransfer();
    Transfer[] types = new Transfer[] { transfer };
    int operations = DND.DROP_COPY | DND.DROP_MOVE;
    final DragSource source = new DragSource(newTree, operations);
    source.setTransfer(types);
    final TreeItem[] dragSourceItem = new TreeItem[1];
    source.addDragListener(new DragSourceListener() {

        public void dragStart(DragSourceEvent event) {
            TreeItem[] selection = newTree.getSelection();
            dragSourceItem[0] = selection[0];
            if (selection.length > 0) {
                event.doit = true;
                transfer.setSelection(new StructuredSelection(selection[0].getData(COLUMN_INDICATOR_KEY)));
                getColumnSetMultiValueList().remove(selection[0].getData(COLUMN_INDICATOR_KEY));
            } else {
                event.doit = false;
            }
        }

        public void dragSetData(DragSourceEvent event) {
            event.data = dragSourceItem[0];
        }

        public void dragFinished(DragSourceEvent event) {
            if (event.detail == DND.DROP_MOVE) {
                removeItemBranch(dragSourceItem[0]);
                tree.forceFocus();
            }
            dragSourceItem[0] = null;
        }
    });
}

Example 13 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project InformationSystem by ObeoNetwork.

the class TreeMapper method bindTreeForDND.

/**
 * @param sourceTreeViewer
 * @param targetTreeViewer
 * @param direction
 */
private void bindTreeForDND(final TreeViewer sourceTreeViewer, final TreeViewer targetTreeViewer, final int direction) {
    final LocalSelectionTransfer sourceTransfer = LocalSelectionTransfer.getTransfer();
    final LocalSelectionTransfer targetTransfer = LocalSelectionTransfer.getTransfer();
    sourceTreeViewer.addDragSupport(DND.DROP_LINK, new Transfer[] { sourceTransfer }, new TreeDragSourceEffect(sourceTreeViewer.getTree()) {

        @Override
        public void dragStart(DragSourceEvent event) {
            event.doit = !sourceTreeViewer.getSelection().isEmpty();
        }
    });
    targetTreeViewer.addDropSupport(DND.DROP_LINK, new Transfer[] { targetTransfer }, new TreeDropTargetEffect(targetTreeViewer.getTree()) {

        @Override
        public void dragEnter(DropTargetEvent event) {
            event.feedback = DND.FEEDBACK_EXPAND | DND.FEEDBACK_SCROLL | DND.FEEDBACK_SELECT;
            event.detail = DND.DROP_LINK;
            super.dragEnter(event);
        }

        @Override
        public void drop(DropTargetEvent event) {
            performMappingByDrop(sourceTreeViewer, sourceTreeViewer.getSelection(), targetTreeViewer, (TreeItem) getItem(event.x, event.y), direction);
        }
    });
}

Example 14 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project netxms by netxms.

the class AgentFileManager method enableDragSupport.

/**
 * Enable drag support in object tree
 */
public void enableDragSupport() {
    Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer() };
    viewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, transfers, new DragSourceAdapter() {

        @Override
        public void dragStart(DragSourceEvent event) {
            LocalSelectionTransfer.getTransfer().setSelection(viewer.getSelection());
            event.doit = true;
        }

        @Override
        public void dragSetData(DragSourceEvent event) {
            event.data = LocalSelectionTransfer.getTransfer().getSelection();
        }
    });
}

Example 15 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project netxms by netxms.

the class ObjectTree method enableDragSupport.

/**
 * Enable drag support in object tree
 */
public void enableDragSupport() {
    Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer() };
    objectTree.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, transfers, new DragSourceAdapter() {

        @Override
        public void dragStart(DragSourceEvent event) {
            LocalSelectionTransfer.getTransfer().setSelection(objectTree.getSelection());
            event.doit = true;
        }

        @Override
        public void dragSetData(DragSourceEvent event) {
            event.data = LocalSelectionTransfer.getTransfer().getSelection();
        }
    });
}