Bug 89137 [JFace] - API Review - "temporary" API in AbstractTreeViewer
AbstractTreeViewer contains two methods documented as "temporary" internalRefresh(Widget, Object) internalAdd(Widget, Object, Object [])
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
}
    }
    
    protected void hookControl(Control control) {
        super.hookControl(control);
        addTreeListener(control, new TreeListener() {
            public void treeExpanded(TreeEvent event) {
                handleTreeExpand(event);
            }
            public void treeCollapsed(TreeEvent event) {
                handleTreeCollapse(event);
            }
        });
    }
    /*
     * (non-Javadoc) Method declared on StructuredViewer. Builds the initial
     * tree and handles the automatic expand feature.
     */
    protected void inputChanged(Object input, Object oldInput) {
        preservingSelection(new Runnable() {
            public void run() {
                Control tree = getControl();
                boolean useRedraw = true;
                
                
                if (useRedraw)
                    tree.setRedraw(false);
                removeAll(tree);
                tree.setData(getRoot());
                createChildren(tree);