Bug 103747 [Viewers] calling refresh on treeviewer in treeExpanded function, but it mess
I tried calling refresh on treeviewer in treeExpanded function. The result is it mess up the tree, there is only one children without a label. Code to reproduce: public void createPartControl(Composite parent) { viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL); drillDownAdapter = new DrillDownAdapter(viewer); viewer.setContentProvider(new ViewContentProvider()); viewer.setLabelProvider(new ViewLabelProvider()); viewer.setSorter(new NameSorter()); viewer.setInput(getViewSite()); viewer.addTreeListener(new ITreeViewerListener() { public void treeCollapsed(TreeExpansionEvent event) { } public void treeExpanded(TreeExpansionEvent event) { viewer.refresh(event.getElement()); }}); }
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
min = mid + 1;
			} else {
				max = mid - 1;
			}
		}
		return min;
	}
	/**
	 * Return the tree path that should be used as the parent path for the given
	 * widget and sorter. A <code>null</code> is returned if either the sorter
	 * is not a {@link TreePathViewerSorter} or if the parent widget is not an
	 * {@link Item} (i.e. is the root of the tree).
	 * 
	 * @param parent
	 *            the parent widget
	 * @param comparator
	 *            the sorter
	 * @return the tree path that should be used as the parent path for the
	 *         given widget and sorter
	 */
	private TreePath internalGetSorterParentPath(Widget parent,
			ViewerComparator comparator) {
		TreePath path;
		if (comparator instanceof TreePathViewerSorter
				&& parent instanceof Item) {
			Item item = (Item) parent;
			path = getTreePathFromItem(item);
		} else {
			path = null;
		}