Java Code Examples for org.eclipse.jface.viewers.TreePath#EMPTY

The following examples show how to use org.eclipse.jface.viewers.TreePath#EMPTY . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CTreeComboViewer.java    From nebula with Eclipse Public License 2.0 6 votes vote down vote up 
/**
 * Update the widget at index.
 * 
 * @param widget
 * @param index
 */
private void virtualLazyUpdateWidget(Widget widget, int index) {
	boolean oldBusy = isBusy();
	setBusy(false);
	try {
		if (contentProviderIsTreeBased) {
			TreePath treePath;
			if (widget instanceof Item) {
				if (widget.getData() == null) {
					return;
				}
				treePath = getTreePathFromItem((Item) widget);
			} else {
				treePath = TreePath.EMPTY;
			}
			((ILazyTreePathContentProvider) getContentProvider()).updateElement(treePath, index);
		} else {
			((ILazyTreeContentProvider) getContentProvider()).updateElement(widget.getData(), index);
		}
	} finally {
		setBusy(oldBusy);
	}
}
Example 2
Source File: CTreeComboViewer.java    From nebula with Eclipse Public License 2.0 6 votes vote down vote up 
/**
 * Update the child count
 * 
 * @param widget
 * @param currentChildCount
 */
private void virtualLazyUpdateChildCount(Widget widget, int currentChildCount) {
	boolean oldBusy = isBusy();
	setBusy(false);
	try {
		if (contentProviderIsTreeBased) {
			TreePath treePath;
			if (widget instanceof Item) {
				treePath = getTreePathFromItem((Item) widget);
			} else {
				treePath = TreePath.EMPTY;
			}
			((ILazyTreePathContentProvider) getContentProvider()).updateChildCount(treePath, currentChildCount);
		} else {
			((ILazyTreeContentProvider) getContentProvider()).updateChildCount(widget.getData(), currentChildCount);
		}
	} finally {
		setBusy(oldBusy);
	}
}