com.vaadin.terminal.gwt.client.ui.


Class VForm

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.VForm

All Implemented Interfaces:

com.google.gwt.event.dom.client.KeyDownHandler, com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.shared.EventHandler, 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.HasWidgets.ForIsWidget, com.google.gwt.user.client.ui.IndexedPanel, com.google.gwt.user.client.ui.IndexedPanel.ForIsWidget, com.google.gwt.user.client.ui.IsWidget, Container, Paintable, Iterable<com.google.gwt.user.client.ui.Widget>

public class VForm
extends com.google.gwt.user.client.ui.ComplexPanel
implements Container, com.google.gwt.event.dom.client.KeyDownHandler

Nested Class Summary
 
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
 
Nested classes/interfaces inherited from interface com.google.gwt.user.client.ui.IndexedPanel
com.google.gwt.user.client.ui.IndexedPanel.ForIsWidget
 
Nested classes/interfaces inherited from interface com.google.gwt.user.client.ui.HasWidgets
com.google.gwt.user.client.ui.HasWidgets.ForIsWidget
 
Field Summary
static String CLASSNAME
           
protected  String id
           
 
Fields inherited from class com.google.gwt.user.client.ui.UIObject
DEBUG_ID_PREFIX
 
Constructor Summary
VForm()
           
 
Method Summary
 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 onKeyDown(com.google.gwt.event.dom.client.KeyDownEvent event)
           
 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> child)
          Called when a child components size has been updated in the rendering phase.
 void setHeight(String height)
           
 void setWidth(String width)
           
 void updateCaption(Paintable component, UIDL uidl)
          Update child components caption, description and error message.
 void updateFromUIDL(UIDL uidl, ApplicationConnection client)
           
 void updateSize()
           
 
Methods inherited from class com.google.gwt.user.client.ui.ComplexPanel
add, adjustIndex, checkIndexBoundsForAccess, checkIndexBoundsForInsertion, getChildren, getWidget, getWidgetCount, getWidgetIndex, getWidgetIndex, insert, insert, iterator, remove, remove
 
Methods inherited from class com.google.gwt.user.client.ui.Panel
add, add, adopt, adopt, clear, disown, doAttachChildren, doDetachChildren, orphan, remove
 
Methods inherited from class com.google.gwt.user.client.ui.Widget
addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, onLoad, onUnload, 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, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, sinkBitlessEvent, toString, unsinkEvents
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

id

protected String id

CLASSNAME

public static final String CLASSNAME

See Also:

Constant Field Values

Constructor Detail

VForm

public VForm()
Method Detail

updateFromUIDL

public void updateFromUIDL(UIDL uidl,
                           ApplicationConnection client)

Specified by:
updateFromUIDL in interface Paintable

updateSize

public void updateSize()

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> child)

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:
child - 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.

setHeight

public void setHeight(String height)

Overrides:
setHeight 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

onKeyDown

public void onKeyDown(com.google.gwt.event.dom.client.KeyDownEvent event)

Specified by:
onKeyDown in interface com.google.gwt.event.dom.client.KeyDownHandler