com.vaadin.client.ui

Class UnknownComponentConnector

java.lang.Object

com.vaadin.client.ui.AbstractConnector

com.vaadin.client.ui.AbstractComponentConnector

com.vaadin.client.ui.UnknownComponentConnector

All Implemented Interfaces:

com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, ComponentConnector, HasWidget, ServerConnector, HasErrorIndicator, Connector, Serializable

public class UnknownComponentConnector
extends AbstractComponentConnector

A placeholder connector class for when a component's connector cannot be determined.

Author:

Vaadin Ltd

See Also:

Serialized Form

Field Summary

Fields inherited from class com.vaadin.client.ui.AbstractComponentConnector

SIGNIFICANT_MOVE_THRESHOLD

Constructor Summary

Constructors

Constructor and Description
UnknownComponentConnector()

Method Summary

Modifier and Type	Method and Description
static String	createMessage(String serverClassName) Creates a message that warns about the issue with the named component and gives debugging hints.
boolean	delegateCaptionHandling() Return true if parent handles caption, false if the paintable handles the caption itself.
VUnknownComponent	getWidget() Returns the widget associated with this paintable.
void	setServerSideClassName(String serverClassName) Updates the placeholder widget's caption to mention the component whose connector cannot be determined.

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

createWidget, flush, getIcon, getIconUri, getLayoutManager, getState, getTooltipInfo, hasTooltip, isErrorIndicatorVisible, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onDragSourceAttached, onDragSourceDetached, onDropTargetAttached, onDropTargetDetached, onStateChanged, onUnregister, registerTouchHandlers, sendContextClickEvent, setWidgetEnabled, setWidgetStyleName, setWidgetStyleNameWithPrefix, shouldHandleLongTap, unregisterTouchHandlers, updateComponentSize, updateComponentSize, updateEnabledState, updateWidgetSize, updateWidgetStyleNames

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

addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, getTag, hasEventListener, init, isEnabled, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag, 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.client.ServerConnector

addStateChangeHandler, addStateChangeHandler, doInit, fireEvent, getChildren, getConnection, getParent, getRpcImplementations, getTag, hasEventListener, isEnabled, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Constructor Detail

UnknownComponentConnector

public UnknownComponentConnector()

Method Detail

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

getWidget

public VUnknownComponent 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 HasWidget

Overrides:

getWidget in class AbstractComponentConnector

Returns:

The widget associated with this paintable

setServerSideClassName

public void setServerSideClassName(String serverClassName)

Updates the placeholder widget's caption to mention the component whose connector cannot be determined.

Parameters:

serverClassName - the class name of the component

createMessage

public static String createMessage(String serverClassName)

Creates a message that warns about the issue with the named component and gives debugging hints.

Parameters:

serverClassName - the class name of the component whose connector cannot be determined.

Returns:

the warning message