com.googlecode.wickedcharts.wicket7

Class JavaScriptExpressionSendingAjaxBehavior

java.lang.Object

org.apache.wicket.behavior.Behavior

org.apache.wicket.behavior.AbstractAjaxBehavior

org.apache.wicket.ajax.AbstractDefaultAjaxBehavior

com.googlecode.wickedcharts.wicket7.JavaScriptExpressionSendingAjaxBehavior

All Implemented Interfaces:

Serializable, org.apache.wicket.behavior.IBehaviorListener, org.apache.wicket.IComponentAwareEventSink, org.apache.wicket.IRequestListener, org.apache.wicket.markup.html.IComponentAwareHeaderContributor, org.apache.wicket.util.io.IClusterable

Direct Known Subclasses:

InteractionBehavior, LiveDataAjaxBehavior, SelectionBehavior

public abstract class JavaScriptExpressionSendingAjaxBehavior
extends org.apache.wicket.ajax.AbstractDefaultAjaxBehavior

This AJAX behavior passes the values of a set of defined javascript variables to the server via AJAX.

Author:

Tom Hombergs (tom.hombergs@gmail.com)

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior

INDICATOR

Fields inherited from interface org.apache.wicket.behavior.IBehaviorListener

INTERFACE

Constructor Summary

Constructors

Constructor and Description
JavaScriptExpressionSendingAjaxBehavior()

Method Summary

Modifier and Type	Method and Description
void	addJavaScriptValue(String parameterName, String javascriptExpression) Adds a javascript expression whose value to be passed from client to server.
void	addJavaScriptValues(Map<String,String> parameterMap) Adds a set of javascript expressions to be passed from client to server.
CharSequence	getCallbackScript()
protected org.apache.wicket.util.string.StringValue	getVariableValue(String parameterName) Reads the value of the given javascript variable from the AJAX request.
protected void	updateAjaxAttributes(org.apache.wicket.ajax.attributes.AjaxRequestAttributes attributes)

Methods inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior

findIndicatorId, getAttributes, getCallbackFunction, getCallbackFunctionBody, getCallbackScript, onBind, onRequest, postprocessConfiguration, renderAjaxAttributes, renderAjaxAttributes, renderHead, respond

Methods inherited from class org.apache.wicket.behavior.AbstractAjaxBehavior

afterRender, bind, getCallbackUrl, getComponent, onComponentRendered, onComponentTag, onComponentTag, onUnbind, unbind

Methods inherited from class org.apache.wicket.behavior.Behavior

beforeRender, canCallListenerInterface, detach, getStatelessHint, isEnabled, isTemporary, onConfigure, onEvent, onException, onRemove

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JavaScriptExpressionSendingAjaxBehavior

public JavaScriptExpressionSendingAjaxBehavior()

Method Detail

getVariableValue

protected org.apache.wicket.util.string.StringValue getVariableValue(String parameterName)

Reads the value of the given javascript variable from the AJAX request.

Parameters:

parameterName - the parameter name of the javascript expression whose value to read. The parameterName must have been specified earlier when calling addJavaScriptValue(String, String).

Returns:

the string representation of the javascript expression's value

getCallbackScript

public CharSequence getCallbackScript()

Overrides:

getCallbackScript in class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior

addJavaScriptValue

public void addJavaScriptValue(String parameterName,
                               String javascriptExpression)

Adds a javascript expression whose value to be passed from client to server. The result value of this expression is sent to the server via AJAX and can be accessed using the method getVariableValue(String). A javascript variable with the given name must exist within the scope the callback script of this behavior is called on the client side!

Parameters:

parameterName - the name under which the value of the given javascript expression can be accessed later

javascriptExpression - the javascript expression whose value pass from client to server.

addJavaScriptValues

public void addJavaScriptValues(Map<String,String> parameterMap)

Adds a set of javascript expressions to be passed from client to server.

Parameters:

parameterMap - a map containing the name of a parameter as key and a javascript expression as value

See Also:

addJavaScriptValue(String, String)

updateAjaxAttributes

protected void updateAjaxAttributes(org.apache.wicket.ajax.attributes.AjaxRequestAttributes attributes)

Overrides:

updateAjaxAttributes in class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior