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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.Panel
com.google.gwt.user.client.ui.ComplexPanel
com.google.gwt.user.client.ui.DeckPanel
A panel that displays all of its child widgets in a 'deck', where only one
can be visible at a time. It is used by
TabPanel
.
Once a widget has been added to a DeckPanel, its visibility, width, and height attributes will be manipulated. When the widget is removed from the DeckPanel, it will be visible, and its width and height attributes will be cleared.
Constructor Summary | |
DeckPanel()
Creates an empty deck panel. |
Method Summary | |
void |
add(Widget w)
Adds the specified widget to the deck. |
protected void |
disown(Widget w)
Calls the superclass' disown(Widget) method, makes the widget
visible, and clears the widget's width and height attributes. |
int |
getVisibleWidget()
Gets the index of the currently-visible widget. |
void |
insert(Widget w,
int beforeIndex)
Inserts a widget before the specified index. |
boolean |
remove(Widget w)
Removes a child widget. |
void |
showWidget(int index)
Shows the widget at the specified index. |
Methods inherited from class com.google.gwt.user.client.ui.ComplexPanel |
add, getChildren, getWidget, getWidgetCount, getWidgetIndex, insert, iterator, remove |
Methods inherited from class com.google.gwt.user.client.ui.Panel |
adopt, clear, onAttach, onDetach |
Methods inherited from class com.google.gwt.user.client.ui.Widget |
getParent, isAttached, onBrowserEvent, onLoad, onUnload, removeFromParent, setElement |
Methods inherited from class com.google.gwt.user.client.ui.UIObject |
addStyleName, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getTitle, isVisible, isVisible, removeStyleName, resetStyleName, 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 DeckPanel()
Method Detail |
public void add(Widget w)
add
in interface HasWidgets
add
in class Panel
w
- the widget to be addedpublic int getVisibleWidget()
public void insert(Widget w, int beforeIndex)
w
- the widget to be insertedbeforeIndex
- the index before which it will be inserted
java.lang.IndexOutOfBoundsException
- if beforeIndex
is out of
rangepublic boolean remove(Widget w)
HasWidgets
remove
in interface HasWidgets
remove
in class ComplexPanel
public void showWidget(int index)
index
- the index of the widget to be shownprotected void disown(Widget w)
disown(Widget)
method, makes the widget
visible, and clears the widget's width and height attributes. This is done
so that any changes to the visibility, height, or width of the widget
that were done by the panel are undone when the widget is disowned from
the panel.
disown
in class Panel
w
- the widget to be disowned
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