ptolemy.vergil.tree
Class PTreeMenuCreator

java.lang.Object
  java.awt.event.MouseAdapter
      ptolemy.vergil.tree.PTreeMenuCreator

All Implemented Interfaces:

java.awt.event.MouseListener, java.util.EventListener

public class PTreeMenuCreator
extends java.awt.event.MouseAdapter

A mouse listener that creates context menus for a PTree using menu item factories. When asked to create a context menu, This class determines the ptolemy object associated with the point in the tree that was clicked on. Then it passes the ptolemy object to each menu item factory that it contains to add the menu items. Lastly, it pops up the resulting menu.

Since:

Ptolemy II 4.0

Version:

$Id: PTreeMenuCreator.java 59166 2010-09-21 17:05:27Z cxh $

Author:

Steve Neuendorffer

Accepted Rating:

Red (johnr)

Proposed Rating:

Red (eal)

Field Summary

private java.util.List

_factoryList The menu item factories.

Constructor Summary

PTreeMenuCreator()
Create a new menu factory that contains no menu item factories.

Method Summary

private void	_doEvent(java.awt.event.MouseEvent e) Process a mousePressed or mouseReleased event.
void	addMenuItemFactory(MenuItemFactory factory) Add a menu item factory to this creator.
java.util.List	menuItemFactoryList() Return the list of menu item factories.
void	mousePressed(java.awt.event.MouseEvent e) Create an instance of the menu associated with this factory.
void	mouseReleased(java.awt.event.MouseEvent e) Create an instance of the menu associated with this factory.
void	removeMenuItemFactory(MenuItemFactory factory) Remove the given menu item factory from the factory list.

Methods inherited from class java.awt.event.MouseAdapter

mouseClicked, mouseEntered, mouseExited

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_factoryList

private java.util.List _factoryList

The menu item factories.

Constructor Detail

PTreeMenuCreator

public PTreeMenuCreator()

Create a new menu factory that contains no menu item factories.

Method Detail

addMenuItemFactory

public void addMenuItemFactory(MenuItemFactory factory)

Add a menu item factory to this creator.

Parameters:

factory - The menu item factory to add.

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Create an instance of the menu associated with this factory.

Specified by:

mousePressed in interface java.awt.event.MouseListener

Overrides:

mousePressed in class java.awt.event.MouseAdapter

Parameters:

e - The mouse event. If the mouse event is a popup event, then menu is created and shown.

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Create an instance of the menu associated with this factory.

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Overrides:

mouseReleased in class java.awt.event.MouseAdapter

Parameters:

e - The mouse event. If the mouse event is a popup event, then menu is created and shown.

menuItemFactoryList

public java.util.List menuItemFactoryList()

Return the list of menu item factories.

Returns:

An unmodifiable list.

removeMenuItemFactory

public void removeMenuItemFactory(MenuItemFactory factory)

Remove the given menu item factory from the factory list.

Parameters:

factory - The factory to be removed.

_doEvent

private void _doEvent(java.awt.event.MouseEvent e)

Process a mousePressed or mouseReleased event.