Class ComponentRefTag

  extended by javax.servlet.jsp.tagext.TagSupport
      extended by javax.servlet.jsp.tagext.BodyTagSupport
          extended by nl.imsystems.atag.tags.ATagBase
              extended by nl.imsystems.atag.tags.ContainerBase
                  extended by nl.imsystems.atag.tags.ReferenceBase
                      extended by nl.imsystems.atag.tags.ComponentRefTag
All Implemented Interfaces:
Serializable, BodyTag, IterationTag, JspTag, Tag

public class ComponentRefTag
extends ReferenceBase

Tag handler for <a:componentRef/> tag.

A <a:componentRef/> is used to refer to a component definition from within a <a:panle/> tag.


Name Required Default Description
id Yes   Unique (to jsp page) id for this reference
viewUrl Yes   Location of the jsp page containing the component definition referenced by this reference
contollerUrl No Current url Url to which events generated by the target component should be posted.
bind No   Path to the object that will be made available via the value variable during the scope of the target component definition. This attribute is also exposed as a String via the variable bindPath
paramName No Value assigned to id attribute This attribute is available to the target component definition via the variable name
dependents No   A comma separated list of ids identifing components that should be refreshed after the target of this reference fires a server event
render No true Set false in order to prevent the target component from being rendered.
refresh No true Set false in order to prevent the target component from being refreshed after firing an event (often only the dependets need to be refreshed)
text No false Set true if the target component will render text as opposed to html
cssClass No   Pass through to html
style No   Pass through to html

Supported By

A <a:componentRef/> is used from within a <a:panel/> to refer to a component definition.


Actions are added to <a:componentRef/> in order to propagate client events to the server.
Params are used to pass custom values into the target component definition.


See Also:
Serialized Form

Field Summary
Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport
Fields inherited from class javax.servlet.jsp.tagext.TagSupport
id, pageContext
Fields inherited from interface javax.servlet.jsp.tagext.BodyTag
Fields inherited from interface javax.servlet.jsp.tagext.IterationTag
Fields inherited from interface javax.servlet.jsp.tagext.Tag
Constructor Summary
Method Summary
Methods inherited from class nl.imsystems.atag.tags.ReferenceBase
doEndTag, doStartTag, getBind, getCssClass, getDependents, getParamName, getRefresh, getRender, getStyle, getText, getType, release, setBind, setCssClass, setDependents, setParamName, setRefresh, setRender, setStyle, setText
Methods inherited from class nl.imsystems.atag.tags.ContainerBase
addAction, addDependent, addParam, addReference, compileActions, getActions, getActions, getContollerUrl, getDependentsList, getParams, getParamsCSV, getViewUrl, isParentDependent, setControllerUrl, setViewUrl
Methods inherited from class nl.imsystems.atag.tags.ATagBase
getAlias, getATagContext, getContextPath, getNamingContext, getParentTag, getRefererId, getRequest, getResponse, getTagId, popContext, pushContext, resolveRelativeName
Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport
doAfterBody, doInitBody, getBodyContent, getPreviousOut, setBodyContent
Methods inherited from class javax.servlet.jsp.tagext.TagSupport
findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface javax.servlet.jsp.tagext.Tag
getParent, setPageContext, setParent

Constructor Detail


public ComponentRefTag()