Bug 97143 [PropertiesView] status line not updated with keyboard selection
The Properties View does not update the description (in the statusline) of the selected property when properties are selected with the arrowkeys. When the same properties are selected with the mouse, the description is updated. 3.1M7
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheetViewer.java
* 
     * @param item
     *            the selected tree item
     */
    private void activateCellEditor(TreeItem item) {
        
        tree.showSelection();
        
        IPropertySheetEntry activeEntry = (IPropertySheetEntry) item.getData();
        
        
        cellEditor = activeEntry.getEditor(tree);
        if (cellEditor == null)
            
            return;
        
        cellEditor.activate();
        
        Control control = cellEditor.getControl();
        if (control == null) {
            cellEditor.deactivate();
            cellEditor = null;
            return;
        }
        
        cellEditor.addListener(editorListener);
        
        CellEditor.LayoutData layout = cellEditor.getLayoutData();
        treeEditor.horizontalAlignment = layout.horizontalAlignment;
        treeEditor.grabHorizontal = layout.grabHorizontal;