* @since 3.0
*/
protected void updateSlaveDocuments(IDocument masterDocument) {
ISlaveDocumentManager manager= getSlaveDocumentManager();
if (manager instanceof ISlaveDocumentManagerExtension) {
ISlaveDocumentManagerExtension extension= (ISlaveDocumentManagerExtension) manager;
IDocument[] slaves= extension.getSlaveDocuments(masterDocument);
if (slaves != null) {
for (int i= 0; i < slaves.length; i++) {
if (slaves[i] instanceof ChildDocument) {
ChildDocument child= (ChildDocument) slaves[i];
Position p= child.getParentDocumentRange();