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

java.lang.Object
  extended by com.google.gwt.user.client.ui.UIObject
      extended by com.google.gwt.user.client.ui.Widget
          extended by com.google.gwt.user.client.ui.Panel
              extended by com.google.gwt.user.client.ui.SimplePanel
                  extended by com.vaadin.terminal.gwt.client.ui.VGridLayout
All Implemented Interfaces:
com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.AcceptsOneWidget, com.google.gwt.user.client.ui.HasOneWidget, com.google.gwt.user.client.ui.HasWidgets, com.google.gwt.user.client.ui.HasWidgets.ForIsWidget, com.google.gwt.user.client.ui.IsWidget, Container, Paintable, Iterable<com.google.gwt.user.client.ui.Widget>

public class VGridLayout
extends com.google.gwt.user.client.ui.SimplePanel
implements Paintable, Container


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.HasWidgets
com.google.gwt.user.client.ui.HasWidgets.ForIsWidget
 
Field Summary
static String CLASSNAME
           
protected  HashMap<com.google.gwt.user.client.ui.Widget,ChildComponentContainer> widgetToComponentContainer
           
 
Fields inherited from class com.google.gwt.user.client.ui.UIObject
DEBUG_ID_PREFIX
 
Constructor Summary
VGridLayout()
           
 
Method Summary
 RenderSpace getAllocatedSpace(com.google.gwt.user.client.ui.Widget child)
          Returns the size currently allocated for the child component.
protected  int[] getColumnWidths()
          Returns the column widths measured in pixels
protected  com.google.gwt.user.client.Element getContainerElement()
           
protected  int getHorizontalSpacing()
          Returns the spacing between the cells horizontally in pixels
protected  int[] getRowHeights()
          Returns the row heights measured in pixels
protected  int getVerticalSpacing()
          Returns the spacing between the cells vertically in pixels
 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> changedChildren)
          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)
           
 
Methods inherited from class com.google.gwt.user.client.ui.SimplePanel
add, getWidget, iterator, remove, setWidget, setWidget
 
Methods inherited from class com.google.gwt.user.client.ui.Panel
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

CLASSNAME

public static final String CLASSNAME
See Also:
Constant Field Values

widgetToComponentContainer

protected HashMap<com.google.gwt.user.client.ui.Widget,ChildComponentContainer> widgetToComponentContainer
Constructor Detail

VGridLayout

public VGridLayout()
Method Detail

getContainerElement

protected com.google.gwt.user.client.Element getContainerElement()
Overrides:
getContainerElement in class com.google.gwt.user.client.ui.SimplePanel

getColumnWidths

protected int[] getColumnWidths()
Returns the column widths measured in pixels

Returns:

getRowHeights

protected int[] getRowHeights()
Returns the row heights measured in pixels

Returns:

getHorizontalSpacing

protected int getHorizontalSpacing()
Returns the spacing between the cells horizontally in pixels

Returns:

getVerticalSpacing

protected int getVerticalSpacing()
Returns the spacing between the cells vertically in pixels

Returns:

updateFromUIDL

public void updateFromUIDL(UIDL uidl,
                           ApplicationConnection client)
Specified by:
updateFromUIDL in interface Paintable

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

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

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.

requestLayout

public boolean requestLayout(Set<Paintable> changedChildren)
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:
changedChildren - 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

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:


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