com.vaadin.terminal.gwt.client.ui
Class VAbsoluteLayout

java.lang.Object
  com.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.vaadin.terminal.gwt.client.ui.VAbsoluteLayout

All Implemented Interfaces:

com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.HasWidgets, com.google.gwt.user.client.ui.IndexedPanel, Container, Paintable, Iterable<com.google.gwt.user.client.ui.Widget>

public class VAbsoluteLayout
extends com.google.gwt.user.client.ui.ComplexPanel
implements Container

Nested Class Summary

class

VAbsoluteLayout.AbsoluteWrapper

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

Field Summary

protected com.google.gwt.user.client.Element	canvas
static String	CLASSNAME Class name, prefix in styling
static String	CLICK_EVENT_IDENTIFIER
protected ApplicationConnection	client
static String	TAGNAME Tag name for widget creation

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Constructor Summary

VAbsoluteLayout()

Method Summary

void	add(com.google.gwt.user.client.ui.Widget child)
RenderSpace	getAllocatedSpace(com.google.gwt.user.client.ui.Widget child) Returns the size currently allocated for the child component.
boolean	hasChildComponent(com.google.gwt.user.client.ui.Widget component) Is a given component child of this layout.
void	replaceChildComponent(com.google.gwt.user.client.ui.Widget oldComponent, com.google.gwt.user.client.ui.Widget newComponent) Replace child of this layout with another component.
boolean	requestLayout(Set<Paintable> children) Called when a child components size has been updated in the rendering phase.
void	setHeight(String height)
void	setStyleName(String style)
void	setWidth(String width)
void	updateCaption(Paintable component, UIDL uidl) Update child components caption, description and error message.
void	updateFromUIDL(UIDL uidl, ApplicationConnection client)

Methods inherited from class com.google.gwt.user.client.ui.ComplexPanel

add, adjustIndex, checkIndexBoundsForAccess, checkIndexBoundsForInsertion, getChildren, getWidget, getWidgetCount, getWidgetIndex, insert, insert, iterator, remove, remove

Methods inherited from class com.google.gwt.user.client.ui.Panel

adopt, adopt, clear, disown, doAttachChildren, doDetachChildren, onLoad, onUnload, orphan

Methods inherited from class com.google.gwt.user.client.ui.Widget

addDomHandler, addHandler, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, removeFromParent, setLayoutData, sinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setElement, setPixelSize, setSize, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, toString, unsinkEvents

Methods inherited from class java.lang.Object

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

Field Detail

TAGNAME

public static final String TAGNAME

Tag name for widget creation

See Also:

Constant Field Values

CLASSNAME

public static final String CLASSNAME

Class name, prefix in styling

See Also:

Constant Field Values

CLICK_EVENT_IDENTIFIER

public static final String CLICK_EVENT_IDENTIFIER

See Also:

Constant Field Values

canvas

protected final com.google.gwt.user.client.Element canvas

client

protected ApplicationConnection client

Constructor Detail

VAbsoluteLayout

public VAbsoluteLayout()

Method Detail

getAllocatedSpace

public RenderSpace getAllocatedSpace(com.google.gwt.user.client.ui.Widget child)

Description copied from interface: Container

Returns the size currently allocated for the child component.

Specified by:

getAllocatedSpace in interface Container

Returns:

hasChildComponent

public boolean hasChildComponent(com.google.gwt.user.client.ui.Widget component)

Description copied from interface: Container

Is a given component child of this layout.

Specified by:

hasChildComponent in interface Container

Parameters:

component - Component to test.

Returns:

true iff component is a child of this layout.

replaceChildComponent

public void replaceChildComponent(com.google.gwt.user.client.ui.Widget oldComponent,
                                  com.google.gwt.user.client.ui.Widget newComponent)

Description copied from interface: Container

Replace child of this layout with another component. Each layout must be able to switch children. To to this, one must just give references to a current and new child.

Specified by:

replaceChildComponent in interface Container

Parameters:

oldComponent - Child to be replaced

newComponent - Child that replaces the oldComponent

requestLayout

public boolean requestLayout(Set<Paintable> children)

Description copied from interface: Container

Called when a child components size has been updated in the rendering phase.

Specified by:

requestLayout in interface Container

Parameters:

children - Set of child widgets whose size have changed

Returns:

true if the size of the Container remains the same, false if the event need to be propagated to the Containers parent

updateCaption

public void updateCaption(Paintable component,
                          UIDL uidl)

Description copied from interface: Container

Update child components caption, description and error message.

Each component is responsible for maintaining its caption, description and error message. In most cases components doesn't want to do that and those elements reside outside of the component. Because of this layouts must provide service for it's childen to show those elements for them.

Specified by:

updateCaption in interface Container

Parameters:

component - Child component for which service is requested.

uidl - UIDL of the child component.

updateFromUIDL

public void updateFromUIDL(UIDL uidl,
                           ApplicationConnection client)

Specified by:

updateFromUIDL in interface Paintable

add

public void add(com.google.gwt.user.client.ui.Widget child)

Specified by:

add in interface com.google.gwt.user.client.ui.HasWidgets

Overrides:

add in class com.google.gwt.user.client.ui.Panel

setStyleName

public void setStyleName(String style)

Overrides:

setStyleName in class com.google.gwt.user.client.ui.UIObject

setWidth

public void setWidth(String width)

Overrides:

setWidth in class com.google.gwt.user.client.ui.UIObject

setHeight

public void setHeight(String height)

Overrides:

setHeight in class com.google.gwt.user.client.ui.UIObject