com.vaadin.terminal.gwt.client.ui.panel
Class PanelConnector

java.lang.Object
  extended by com.vaadin.terminal.gwt.client.ui.AbstractConnector
      extended by com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector
          extended by com.vaadin.terminal.gwt.client.ui.AbstractComponentContainerConnector
              extended by com.vaadin.terminal.gwt.client.ui.panel.PanelConnector
All Implemented Interfaces:
com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, ComponentConnector, ComponentContainerConnector, Connector, ConnectorHierarchyChangeEvent.ConnectorHierarchyChangeHandler, Paintable, ServerConnector, MayScrollChildren, ManagedLayout, PostLayoutListener, SimpleManagedLayout, Serializable

public class PanelConnector
extends AbstractComponentContainerConnector
implements Paintable, SimpleManagedLayout, PostLayoutListener, MayScrollChildren

See Also:
Serialized Form

Field Summary
 
Fields inherited from class com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector
styleNames
 
Constructor Summary
PanelConnector()
           
 
Method Summary
 boolean delegateCaptionHandling()
          Return true if parent handles caption, false if the paintable handles the caption itself.
 PanelState getState()
          Returns the shared state object for this connector.
 VPanel getWidget()
          Returns the widget associated with this paintable.
 void init()
          Called when the connector has been initialized.
 void layout()
           
 void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent event)
           
 void onUnregister()
          Event called when connector has been unregistered.
 void postLayout()
           
 void updateCaption(ComponentConnector component)
          Update child components caption, description and error message.
 void updateFromUIDL(UIDL uidl, ApplicationConnection client)
           
 
Methods inherited from class com.vaadin.terminal.gwt.client.ui.AbstractComponentContainerConnector
addConnectorHierarchyChangeHandler, getChildComponents, setChildComponents
 
Methods inherited from class com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector
createWidget, getLayoutManager, getTooltipInfo, hasEventListener, isReadOnly, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onStateChanged, setWidgetEnabled, setWidgetStyleName, setWidgetStyleNameWithPrefix, updateEnabledState, updateWidgetStyleNames
 
Methods inherited from class com.vaadin.terminal.gwt.client.ui.AbstractConnector
addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, getChildren, getConnection, getConnectorId, getParent, getRpcImplementations, isEnabled, registerRpc, setChildren, setParent, unregisterRpc
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface com.vaadin.terminal.gwt.client.ComponentConnector
getLayoutManager, getTooltipInfo, hasEventListener, isReadOnly, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, setWidgetEnabled
 
Methods inherited from interface com.vaadin.terminal.gwt.client.ServerConnector
addStateChangeHandler, doInit, fireEvent, getChildren, getConnection, getParent, getRpcImplementations, isEnabled, setChildren, setParent, updateEnabledState
 
Methods inherited from interface com.vaadin.terminal.gwt.client.Connector
getConnectorId
 
Methods inherited from interface com.vaadin.terminal.gwt.client.ComponentContainerConnector
addConnectorHierarchyChangeHandler, getChildComponents, setChildComponents
 

Constructor Detail

PanelConnector

public PanelConnector()
Method Detail

init

public void init()
Description copied from class: AbstractConnector
Called when the connector has been initialized. Override this method to perform initialization of the connector.

Overrides:
init in class AbstractComponentConnector

onUnregister

public void onUnregister()
Description copied from interface: ServerConnector
Event called when connector has been unregistered.

Specified by:
onUnregister in interface ServerConnector
Overrides:
onUnregister in class AbstractComponentConnector

delegateCaptionHandling

public boolean delegateCaptionHandling()
Description copied from interface: ComponentConnector
Return true if parent handles caption, false if the paintable handles the caption itself.

This should always return true and all components should let the parent handle the caption and use other attributes for internal texts in the component

Specified by:
delegateCaptionHandling in interface ComponentConnector
Overrides:
delegateCaptionHandling in class AbstractComponentConnector
Returns:
true if caption handling is delegated to the parent, false if parent should not be allowed to render caption

updateFromUIDL

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

updateCaption

public void updateCaption(ComponentConnector component)
Description copied from interface: ComponentContainerConnector
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 ComponentContainerConnector
Parameters:
component - Child component for which service is requested.

getWidget

public VPanel getWidget()
Description copied from class: AbstractComponentConnector
Returns the widget associated with this paintable. The widget returned by this method must not changed during the life time of the paintable.

Specified by:
getWidget in interface ComponentConnector
Overrides:
getWidget in class AbstractComponentConnector
Returns:
The widget associated with this paintable

layout

public void layout()
Specified by:
layout in interface SimpleManagedLayout

postLayout

public void postLayout()
Specified by:
postLayout in interface PostLayoutListener

getState

public PanelState getState()
Description copied from class: AbstractConnector
Returns the shared state object for this connector. Override this method to define the shared state type for your connector.

Specified by:
getState in interface ComponentConnector
Specified by:
getState in interface Connector
Overrides:
getState in class AbstractComponentConnector
Returns:
the current shared state (never null)

onConnectorHierarchyChange

public void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent event)
Specified by:
onConnectorHierarchyChange in interface ConnectorHierarchyChangeEvent.ConnectorHierarchyChangeHandler
Overrides:
onConnectorHierarchyChange in class AbstractComponentContainerConnector


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