org.uberfire.workbench.model.menu.impl

Class BaseMenuVisitor

java.lang.Object

org.uberfire.workbench.model.menu.impl.BaseMenuVisitor

All Implemented Interfaces:

MenuVisitor

public abstract class BaseMenuVisitor
extends Object
implements MenuVisitor

Constructor Summary

Constructors

Constructor and Description
BaseMenuVisitor()

Method Summary

Modifier and Type	Method and Description
void	visit(MenuCustom<?> menuCustom) Visits a custom menu item in the menu tree.
void	visit(MenuItemCommand menuItemCommand) Visits a menu item that has an associated command.
void	visit(MenuItemPerspective menuItemPerspective) Visits a menu item that has an associated perspective.
void	visit(MenuItemPlain menuItemPlain) Visits a plain menu item in the tree.
boolean	visitEnter(MenuGroup menuGroup) Visits a menu group in the tree of menus.
boolean	visitEnter(Menus menus) Visits the top-level menu container.
void	visitLeave(MenuGroup menuGroup) Visits a menu group in the tree of menus.
void	visitLeave(Menus menus) Ends the visit of the top-level menu container.

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseMenuVisitor

public BaseMenuVisitor()

Method Detail

visitEnter

public boolean visitEnter(Menus menus)

Description copied from interface: MenuVisitor

Visits the top-level menu container. This is the first method invoked when visiting a complete menu tree.

Specified by:

visitEnter in interface MenuVisitor

Parameters:

menus - the top-level container of the menus that will be visited.

Returns:

true if the visitor would like to continue down the tree and visit all children; false if it wants to skip this node. Since this is the root node, returning false from this call will result in no more calls to the visitor.

visitLeave

public void visitLeave(Menus menus)

Description copied from interface: MenuVisitor

Ends the visit of the top-level menu container. This is the last method invoked when visiting a complete menu tree.

Note that this method is not called if MenuVisitor.visitEnter(Menus) returns false.

Specified by:

visitLeave in interface MenuVisitor

Parameters:

menus - the top-level container of the menus that will be visited.

visitEnter

public boolean visitEnter(MenuGroup menuGroup)

Description copied from interface: MenuVisitor

Visits a menu group in the tree of menus. A menu group has zero or more MenuItem children.

Specified by:

visitEnter in interface MenuVisitor

Parameters:

menuGroup - the menu group to visit.

Returns:

true if the visitor would like to visit all children of this node; false if it wants to skip this node. A visitor that returns false from this node will not receive any further calls for this node or its descendants. In particular, there will be no corresponding MenuVisitor.visitLeave(MenuGroup) call for this node.

visitLeave

public void visitLeave(MenuGroup menuGroup)

Description copied from interface: MenuVisitor

Visits a menu group in the tree of menus. All descendants of the given menu group have been visited before this method is called.

Note that this method is not called for a MenuGroup where the MenuVisitor.visitEnter(MenuGroup) method returned false.

Specified by:

visitLeave in interface MenuVisitor

Parameters:

menuGroup - the menu group to leave.

visit

public void visit(MenuItemPlain menuItemPlain)

Description copied from interface: MenuVisitor

Visits a plain menu item in the tree.

Specified by:

visit in interface MenuVisitor

Parameters:

menuItemPlain - the plain menu item to visit.

visit

public void visit(MenuItemCommand menuItemCommand)

Description copied from interface: MenuVisitor

Visits a menu item that has an associated command.

Specified by:

visit in interface MenuVisitor

Parameters:

menuItemCommand - the command menu item to visit.

visit

public void visit(MenuItemPerspective menuItemPerspective)

Description copied from interface: MenuVisitor

Visits a menu item that has an associated perspective.

Specified by:

visit in interface MenuVisitor

Parameters:

menuItemPerspective - the command menu item to visit.

visit

public void visit(MenuCustom<?> menuCustom)

Description copied from interface: MenuVisitor

Visits a custom menu item in the menu tree.

Specified by:

visit in interface MenuVisitor

Parameters:

menuCustom - the custom (application provides the widget) menu item to visit.