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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.FocusWidget
com.google.gwt.user.client.ui.ButtonBase
com.google.gwt.user.client.ui.Button
public class Button
A standard push-button widget.
public class ButtonExample implements EntryPoint { public void onModuleLoad() { // Make a new button that does something when you click it. Button b = new Button("Jump!", new ClickListener() { public void onClick(Widget sender) { Window.alert("How high?"); } }); // Add it to the root panel. RootPanel.get().add(b); } }
Nested Class Summary |
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Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject |
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UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled |
Field Summary |
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Fields inherited from class com.google.gwt.user.client.ui.UIObject |
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DEBUG_ID_PREFIX |
Constructor Summary | |
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Button()
Creates a button with no caption. |
protected |
Button(Element element)
This constructor may be used by subclasses to explicitly use an existing element. |
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Button(java.lang.String html)
Creates a button with the given HTML caption. |
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Button(java.lang.String html,
ClickListener listener)
Creates a button with the given HTML caption and click listener. |
Method Summary | |
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void |
click()
Programmatic equivalent of the user clicking the button. |
static Button |
wrap(Element element)
Creates a Button widget that wraps an existing <button> element. |
Methods inherited from class com.google.gwt.user.client.ui.ButtonBase |
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getHTML, getText, setHTML, setText |
Methods inherited from class com.google.gwt.user.client.ui.FocusWidget |
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addClickListener, addFocusListener, addKeyboardListener, getFocusImpl, getTabIndex, isEnabled, onBrowserEvent, removeClickListener, removeFocusListener, removeKeyboardListener, setAccessKey, setElement, setEnabled, setFocus, setTabIndex |
Methods inherited from class com.google.gwt.user.client.ui.Widget |
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doAttachChildren, doDetachChildren, getParent, isAttached, onAttach, onDetach, onLoad, onUnload, removeFromParent |
Methods inherited from class com.google.gwt.user.client.ui.UIObject |
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addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setHeight, setPixelSize, setSize, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkEvents, toString, unsinkEvents |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Button()
public Button(java.lang.String html)
html
- the HTML captionpublic Button(java.lang.String html, ClickListener listener)
html
- the HTML captionlistener
- the click listenerprotected Button(Element element)
element
- the element to be usedMethod Detail |
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public static Button wrap(Element element)
RootPanel.detachNow(Widget)
.
element
- the element to be wrappedpublic void click()
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