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java.lang.Objectcom.google.gwt.user.client.ui.UIObject
com.google.gwt.user.client.ui.Widget
com.google.gwt.user.client.ui.MenuBar
A standard menu bar widget. A menu bar can contain any number of menu items,
each of which can either fire a Command or
open a cascaded menu bar.
public class MenuBarExample implements EntryPoint {
public void onModuleLoad() {
// Make a command that we will execute from all leaves.
Command cmd = new Command() {
public void execute() {
Window.alert("You selected a menu item!");
}
};
// Make some sub-menus that we will cascade from the top menu.
MenuBar fooMenu = new MenuBar(true);
fooMenu.addItem("the", cmd);
fooMenu.addItem("foo", cmd);
fooMenu.addItem("menu", cmd);
MenuBar barMenu = new MenuBar(true);
barMenu.addItem("the", cmd);
barMenu.addItem("bar", cmd);
barMenu.addItem("menu", cmd);
MenuBar bazMenu = new MenuBar(true);
bazMenu.addItem("the", cmd);
bazMenu.addItem("baz", cmd);
bazMenu.addItem("menu", cmd);
// Make a new menu bar, adding a few cascading menus to it.
MenuBar menu = new MenuBar();
menu.addItem("foo", fooMenu);
menu.addItem("bar", barMenu);
menu.addItem("baz", bazMenu);
// Add it to the root panel.
RootPanel.get().add(menu);
}
}
| Constructor Summary | |
MenuBar()
Creates an empty horizontal menu bar. |
|
MenuBar(boolean vertical)
Creates an empty menu bar. |
|
| Method Summary | |
void |
addItem(MenuItem item)
Adds a menu item to the bar. |
MenuItem |
addItem(java.lang.String text,
boolean asHTML,
Command cmd)
Adds a menu item to the bar, that will fire the given command when it is selected. |
MenuItem |
addItem(java.lang.String text,
boolean asHTML,
MenuBar popup)
Adds a menu item to the bar, that will open the specified menu when it is selected. |
MenuItem |
addItem(java.lang.String text,
Command cmd)
Adds a menu item to the bar, that will fire the given command when it is selected. |
MenuItem |
addItem(java.lang.String text,
MenuBar popup)
Adds a menu item to the bar, that will open the specified menu when it is selected. |
void |
clearItems()
Removes all menu items from this menu bar. |
boolean |
getAutoOpen()
Gets whether this menu bar's child menus will open when the mouse is moved over it. |
void |
onBrowserEvent(Event event)
Fired whenever a browser event is received. |
protected void |
onDetach()
This method is called when a widget is detached from the browser's document. |
void |
onPopupClosed(PopupPanel sender,
boolean autoClosed)
Fired when the popup is closed. |
void |
removeItem(MenuItem item)
Removes the specified menu item from the bar. |
void |
setAutoOpen(boolean autoOpen)
Sets whether this menu bar's child menus will open when the mouse is moved over it. |
| Methods inherited from class com.google.gwt.user.client.ui.Widget |
getParent, isAttached, onAttach, onLoad, removeFromParent |
| Methods inherited from class com.google.gwt.user.client.ui.UIObject |
addStyleName, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleName, getTitle, isVisible, isVisible, removeStyleName, setElement, setHeight, setPixelSize, setSize, setStyleName, setStyleName, setTitle, setVisible, setVisible, setWidth, sinkEvents, toString, unsinkEvents |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
public MenuBar()
public MenuBar(boolean vertical)
vertical - true to orient the menu bar vertically| Method Detail |
public void addItem(MenuItem item)
item - the item to be added
public MenuItem addItem(java.lang.String text,
boolean asHTML,
Command cmd)
text - the item's textasHTML - true to treat the specified text as htmlcmd - the command to be fired
MenuItem object created
public MenuItem addItem(java.lang.String text,
boolean asHTML,
MenuBar popup)
text - the item's textasHTML - true to treat the specified text as htmlpopup - the menu to be cascaded from it
MenuItem object created
public MenuItem addItem(java.lang.String text,
Command cmd)
text - the item's textcmd - the command to be fired
MenuItem object created
public MenuItem addItem(java.lang.String text,
MenuBar popup)
text - the item's textpopup - the menu to be cascaded from it
MenuItem object createdpublic void clearItems()
public boolean getAutoOpen()
true if child menus will auto-openpublic void onBrowserEvent(Event event)
EventListener
onBrowserEvent in interface EventListeneronBrowserEvent in class Widget
public void onPopupClosed(PopupPanel sender,
boolean autoClosed)
PopupListener
onPopupClosed in interface PopupListenersender - popup being closed.autoClosed - true if the popup was automatically
closed; false if it was closed programmatically.public void removeItem(MenuItem item)
item - the item to be removedpublic void setAutoOpen(boolean autoOpen)
autoOpen - true to cause child menus to auto-openprotected void onDetach()
WidgetPanel.
onDetach in class Widget
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