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

java.lang.Object
  com.vaadin.terminal.gwt.client.ui.AbstractConnector
      com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector
          com.vaadin.terminal.gwt.client.ui.AbstractComponentContainerConnector
              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

Constructor Summary

PanelConnector()

Method Summary

protected com.google.gwt.user.client.ui.Widget	createWidget() Creates and returns the widget for this VPaintableWidget.
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, getChildren, setChildren, setWidgetEnabled

Methods inherited from class com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector

getLayoutManager, getParent, getStyleNames, hasEventListener, isEnabled, isReadOnly, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onStateChanged, setParent, setState

Methods inherited from class com.vaadin.terminal.gwt.client.ui.AbstractConnector

addStateChangeHandler, doInit, ensureHandlerManager, fireEvent, getConnection, getConnectorId, getRpcImplementations, isConnectorEnabled, registerRpc, 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.ComponentContainerConnector

addConnectorHierarchyChangeHandler, getChildren, setChildren

Methods inherited from interface com.vaadin.terminal.gwt.client.ComponentConnector

getLayoutManager, getParent, hasEventListener, isReadOnly, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, setParent, setWidgetEnabled

Methods inherited from interface com.vaadin.terminal.gwt.client.ServerConnector

addStateChangeHandler, doInit, fireEvent, getConnection, getRpcImplementations, isEnabled, setState

Methods inherited from interface com.vaadin.terminal.gwt.client.Connector

getConnectorId

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 AbstractConnector

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

createWidget

protected com.google.gwt.user.client.ui.Widget createWidget()

Description copied from class: AbstractComponentConnector

Creates and returns the widget for this VPaintableWidget. This method should only be called once when initializing the paintable.

Specified by:

createWidget in class AbstractComponentConnector

Returns:

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: AbstractComponentConnector

Returns the shared state object for this connector. If overriding this method to return a more specific type, also #createState() must be overridden.

Specified by:

getState in interface ComponentConnector

Specified by:

getState in interface Connector

Overrides:

getState in class AbstractComponentConnector

Returns:

current shared state (not null)

onConnectorHierarchyChange

public void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent event)

Specified by:

onConnectorHierarchyChange in interface ConnectorHierarchyChangeEvent.ConnectorHierarchyChangeHandler

Overrides:

onConnectorHierarchyChange in class AbstractComponentContainerConnector