Examples of org.sbml.jsbml.util.TreeNodeRemovedEvent

org.sbml.jsbml.util.TreeNodeRemovedEvent

A special {@link EventObject} to notify a {@link TreeNodeChangeListener}about a removed node and its previous position within the tree. To this end, this {@link TreeNodeRemovedEvent} contains a pointer to both the actualremoved node and its previous parent node. Note that when removing an element from the SBML tree, its pointer to its parent is set to {@code null}. To give an example why information about the previous parent is necessary: Imagine, an instance of {@code speciesReference} has been removed fromthe SBML tree. After removing it, the model does no longer point to an element with its id. Many {@code reaction}s might have been the origin of this removed node. If a {@link TreeNodeChangeListener} wants to, e.g., undo this change,it is necessary to identify the previous position of the node within the tree. That's why this class has two important methods, namely {@link #getSource()} and {@link #getPreviousParent()}. @author Andreas Dräger @version $Rev: 1524 $ @since 0.8 @date 02.06.2012

      List<TreeNodeChangeListener> listOfTreeNodeChangeListeners = new LinkedList<TreeNodeChangeListener>(listOfListeners);
      // remove all changeListeners
      removeAllTreeNodeChangeListeners();


      for (TreeNodeChangeListener listener : listOfTreeNodeChangeListeners) {
        listener.nodeRemoved(new TreeNodeRemovedEvent(this, previousParent));
      }
    }
  }

   */
  public void fireNodeRemovedEvent() {
    TreeNode previousParent = getParent();
    parent = null;
    for (TreeNodeChangeListener listener : listOfListeners) {
      listener.nodeRemoved(new TreeNodeRemovedEvent(this, previousParent));
    }
  }

Examples of org.sbml.jsbml.util.TreeNodeRemovedEvent

Related Classes of org.sbml.jsbml.util.TreeNodeRemovedEvent