Examples with TreeDragListener com.twinsoft.convertigo.eclipse.dnd.TreeDragListener used on opensource projects

Example 1 with TreeDragListener

use of com.twinsoft.convertigo.eclipse.dnd.TreeDragListener in project convertigo by convertigo.

the class ProjectExplorerView method createPartControl.

/**
 * This is a callback that will allow us
 * to create the viewer and initialize it.
 */
@SuppressWarnings("deprecation")
public void createPartControl(Composite parent) {
    viewContentProvider = new ViewContentProvider(this);
    viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION) {

        @Override
        public void refresh(Object element) {
            if (Engine.objectsProvider != null) {
                viewer.getTree().getDisplay().asyncExec(() -> {
                    try {
                        super.refresh(element);
                    } catch (Exception e) {
                        ConvertigoPlugin.logDebug3("Failed to refresh: " + e);
                    }
                });
                packColumns();
            }
        }

        @Override
        public void update(Object element, String[] properties) {
            super.update(element, properties);
            packColumns();
        }
    };
    viewer.setContentProvider(viewContentProvider);
    // DND support
    int ops = DND.DROP_COPY | DND.DROP_MOVE;
    Transfer[] dragtfs = new Transfer[] { TextTransfer.getInstance() };
    Transfer[] droptfs = new Transfer[] { TextTransfer.getInstance(), StepSourceTransfer.getInstance(), PaletteSourceTransfer.getInstance(), MobileSourceTransfer.getInstance() };
    viewer.addDragSupport(ops, dragtfs, new TreeDragListener(viewer));
    viewer.addDropSupport(ops, droptfs, new TreeDropAdapter(viewer));
    viewer.addTreeListener(new ITreeViewerListener() {

        @Override
        public void treeExpanded(TreeExpansionEvent event) {
            packColumns();
        }

        @Override
        public void treeCollapsed(TreeExpansionEvent event) {
            packColumns();
        }
    });
    viewer.setSorter(new TreeObjectSorter());
    viewer.setInput(getViewSite());
    TreeViewerColumn treeViewerColumn = new TreeViewerColumn(viewer, SWT.LEFT);
    ILabelProvider lp = new ViewLabelProvider();
    ILabelDecorator ld = PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator();
    treeViewerColumn.setLabelProvider(new DecoratingColumnLabelProvider(lp, ld));
    treeViewerColumn = new TreeViewerColumn(viewer, SWT.LEFT);
    treeViewerColumn.setLabelProvider(new CommentColumnLabelProvider());
    treeViewerColumn.setEditingSupport(new CommentEditingSupport(viewer));
    // drillDownAdapter = new DrillDownAdapter(viewer);
    makeActions();
    hookContextMenu();
    hookSelectionChangedEvent();
    hookDoubleClickAction();
    hookGlobalActions();
    hookKeyboardActions();
    contributeToActionBars();
    getSite().setSelectionProvider(viewer);
    ConvertigoPlugin.runAtStartup(() -> initialize());
}