Bug 67890 [PropertiesView] Exception when entries added to properties view
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheetViewer.java
return;
            
            childItems[0].dispose();
        }
        
        Object node = widget.getData();
        List children = getChildren(node);
        if (children.isEmpty())
            
            return;
        for (int i = 0; i < children.size(); i++) {
            
            createItem(children.get(i), widget, i);
        }
    }
    /**
     * Creates a new cell editor listener.
     */
    private void createEditorListener() {
        editorListener = new ICellEditorListener() {
            public void cancelEditor() {
                deactivateCellEditor();
            }
            public void editorValueChanged(boolean oldValidState,
                    boolean newValidState) {
                
            }
            public void applyEditorValue() {