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

Example 1 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project cogtool by cogtool.

the class ZoomableUI method setUpDropImage.

protected void setUpDropImage(Canvas editorSubstrate, ExternalImageDropTarget dropTarget) {
    DropTarget editorAsTarget = new DropTarget(editorSubstrate, DND.DROP_MOVE | DND.DROP_COPY);
    editorAsTarget.setTransfer(ClipboardUtil.IMAGE_TRANFERS);
    editorAsTarget.addDropListener(dropTarget);
}

Example 2 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdi-studio-se by Talend.

the class SchemasTreeDnD method addDragAndDrop.

public void addDragAndDrop() {
    // drag
    DragSource source = new DragSource(getTree(), operations);
    source.setTransfer(transferTypes);
    source.addDragListener(new TreeDragSourceEffect(getTree()));
    // drop
    DropTarget target = new DropTarget(getTree(), operations);
    target.setTransfer(transferTypes);
    target.addDropListener(new TreeDropTargetEffect(getTree()) {

        private SchemasKeyData source;

        @Override
        public void dragEnter(DropTargetEvent event) {
            super.dragEnter(event);
            Widget item = event.item;
            if (item != null) {
                TreeItem treeItem = (TreeItem) event.item;
                Object data = treeItem.getData();
                if (data != null && data instanceof SchemasKeyData) {
                    this.source = (SchemasKeyData) data;
                    event.feedback = DND.FEEDBACK_EXPAND;
                    return;
                }
            }
            event.detail = DND.DROP_NONE;
        }

        @Override
        public void drop(DropTargetEvent event) {
            super.drop(event);
            if (event.item != null && source != null) {
                TreeItem item = (TreeItem) event.item;
                Object data = item.getData();
                if (data != null && data instanceof SchemasKeyData) {
                    SchemasKeyData target = (SchemasKeyData) data;
                    target.addChild(source);
                    schemaTreeViewer.refresh();
                }
            }
            source = null;
        }
    });
}

Example 3 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdi-studio-se by Talend.

the class DragAndDropForWebService method createDropTarget.

/**
     * 
     * create DropTarget.
     */
private void createDropTarget(DropTargetListener targetListener) {
    if (dropTarget != null) {
        dropTarget.dispose();
    }
    dropTarget = new DropTarget(draggableControl, DND.DROP_DEFAULT | DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK);
    dropTarget.setTransfer(new Transfer[] { TableEntriesTransfer.getInstance() });
    dropTarget.addDropListener(targetListener);
}

Example 4 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdi-studio-se by Talend.

the class DropContextAnalyzer method init.

/**
     * DOC amaumont Comment method "init".
     */
private void init() {
    DropTarget dropTarget = (DropTarget) event.widget;
    Control controlTarget = dropTarget.getControl();
    dataMapTableViewTarget = mapperManager.retrieveDataMapTableView(controlTarget);
    if (controlTarget instanceof Table) {
        currentTableTarget = (Table) dropTarget.getControl();
    } else if (controlTarget instanceof StyledText) {
        currentStyledTextTarget = (StyledText) dropTarget.getControl();
    } else {
        //$NON-NLS-1$
        throw new IllegalArgumentException(Messages.getString("DropContextAnalyzer.0", controlTarget.toString()));
    }
    zoneTarget = dataMapTableViewTarget.getZone();
    draggedData = TableEntriesTransfer.getInstance().getDraggedData();
    dataMapTableViewSource = (DataMapTableView) draggedData.getDataMapTableViewSource();
    tableItemSource = draggedData.getTableItemSource();
    zoneSource = dataMapTableViewSource.getZone();
    if (currentTableTarget != null) {
        analyzeCursorOverExpressionCell();
    }
    invalidKeyPressed = hasInvalidKeyPressed();
    isDropValid = checkDropIsValid();
    analyzeForFeedback();
    analyzeForDetail();
// System.out.println("isCursorOverExpressionCell="+isCursorOverExpressionCell);
}

Example 5 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdi-studio-se by Talend.

the class DragNDrop method createDropTarget.

/**
     * 
     * create DropTarget.
     */
private void createDropTarget(DropTargetListener targetListener) {
    if (dropTarget != null) {
        dropTarget.dispose();
    }
    dropTarget = new DropTarget(draggableControl, DND.DROP_DEFAULT | DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK);
    dropTarget.setTransfer(new Transfer[] { TableEntriesTransfer.getInstance() });
    dropTarget.addDropListener(targetListener);
}