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
* Note that we use a "dummy" item (no user data) to show a "+" icon beside
     * an item which has children before the item is expanded now that it is
     * being expanded we have to create the real child items
     * </p>
     * 
     * @param event
     *            the SWT tree event
     */
    private void handleTreeExpand(TreeEvent event) {
        createChildren(event.item);
    }
    /**
     * Hides the categories.
     */
    
    void hideCategories() {
        isShowingCategories = false;
        categories = null;
        refresh();
    }
    /**
     * Hides the expert properties.
     */
    
    void hideExpert() {
        isShowingExpertProperties = false;
        refresh();
    }
    /**
     * Establish this viewer as a listener on the control