If MyFaces ever delivers facelets support "built-in", it would be something that MyFaces supplies. UpdateActionListener is not a component tag, so there's nothing to "rewrite" on the MyFaces side. It has to be handled with an equivalent facelets TagHandler.
On 10/3/05, Dave Brondsema <[EMAIL PROTECTED]> wrote: > Is this class something that MyFaces should provide and its not? > > http://wiki.apache.org/myfaces/Use_Facelets_with_Tomahawk says > <quote> > If the Tag class does anything other than providing pass-through getters > and setters, you will need to write a facelets TagHandler or submit > patches to MyFaces to "standardize" the tag handler. > </quote> > > Do we need to "standardize" UpdateActionListener? Or is it up to > Facelets/3rd-party to provide the tag handler? > > Andrew robinson wrote: > > There is no way to do this out of the box. You need to create a tag > > handler that fills the resposibility of the UpdateActionListenerTag. I > > have created one. The code is attached. Just change the packages for > > your needs > > > > The XML to register this is: > > <tag> > > <tag-name>updateActionListener</tag-name> > > > > <handler-class>org.bethanyefree.taghandlers.TomahawkUpdateActionListenerHandler</handler-class> > > </tag> > > > > Just add that to your facelet configuration file for the tomahawk > > components. > > > > On 10/3/05, *Denis Parhomenko* <[EMAIL PROTECTED] > > <mailto:[EMAIL PROTECTED]>> wrote: > > > > Hi > > > > I want use UpdateActionListener with facelets, but facelets told me > > that > > > > com.sun.facelets.tag.TagException: /pages/admin/locations/edit.jsp > > @59,116 <t:updateActionListener> Tag Library supports namespace: > > http://myfaces.apache.org/tomahawk, but no tag was defined for name: > > updateActionListener > > at > > > > com.sun.facelets.compiler.CompilationManager.pushTag(CompilationManager.java:155) > > at > > > > com.sun.facelets.compiler.SAXCompiler$CompilationHandler.startElement(SAXCompiler.java:175) > > > > As I understand i need add somthing to tomahawk.taglib.xml, but i > > don't know what > > > > Deniss > > > > > > > > ------------------------------------------------------------------------ > > > > /** > > * > > */ > > package org.bethanyefree.taghandlers; > > > > import java.io.IOException; > > > > import javax.el.ELException; > > import javax.faces.FacesException; > > import javax.faces.application.Application; > > import javax.faces.component.ActionSource; > > import javax.faces.component.UIComponent; > > import javax.faces.convert.Converter; > > import javax.faces.el.ValueBinding; > > import javax.faces.event.ActionListener; > > > > import org.apache.commons.logging.Log; > > import org.apache.commons.logging.LogFactory; > > import org.apache.myfaces.custom.updateactionlistener.UpdateActionListener; > > > > import com.sun.facelets.FaceletContext; > > import com.sun.facelets.FaceletException; > > import com.sun.facelets.tag.TagAttribute; > > import com.sun.facelets.tag.TagConfig; > > import com.sun.facelets.tag.TagHandler; > > import com.sun.facelets.tag.jsf.ComponentConfig; > > > > /** > > * @author andrew > > * > > */ > > public class TomahawkUpdateActionListenerHandler > > extends TagHandler > > { > > private static Log logger = > > LogFactory.getLog(TomahawkUpdateActionListenerHandler.class); > > > > private TagAttribute converterAttr; > > private TagAttribute propertyAttr; > > private TagAttribute valueAttr; > > > > /** > > * @param config > > */ > > public TomahawkUpdateActionListenerHandler(ComponentConfig config) > > { > > this((TagConfig)config); > > } > > > > /** > > * @param config > > */ > > public TomahawkUpdateActionListenerHandler(TagConfig config) > > { > > super(config); > > valueAttr = getRequiredAttribute("value"); > > propertyAttr = getRequiredAttribute("property"); > > converterAttr = getAttribute("converter"); > > } > > > > /** > > * @see > > com.sun.facelets.FaceletHandler#apply(com.sun.facelets.FaceletContext, > > javax.faces.component.UIComponent) > > */ > > public void apply(FaceletContext ctx, UIComponent parent) > > throws IOException, FacesException, FaceletException, > > ELException > > { > > logger.error("Apply called. Component: " + parent); > > ActionSource actionSource = (ActionSource)parent; > > > > if (sourceHasProperty(actionSource)) > > return; > > > > UpdateActionListener al = new UpdateActionListener(); > > > > if (converterAttr != null) > > > > al.setConverter((Converter)converterAttr.getObject(ctx)); > > > > Application app = ctx.getFacesContext().getApplication(); > > ValueBinding vb = > > app.createValueBinding(valueAttr.getValue()); > > al.setValueBinding(vb); > > vb = app.createValueBinding(propertyAttr.getValue()); > > al.setPropertyBinding(vb); > > actionSource.addActionListener(al); > > } > > > > private boolean sourceHasProperty(ActionSource source) > > { > > for (ActionListener listener : source.getActionListeners()) > > { > > if (listener instanceof UpdateActionListener == > > false) continue; > > UpdateActionListener al = > > (UpdateActionListener)listener; > > if > > (al.getPropertyBinding().getExpressionString().equals( > > this.propertyAttr.getValue())) > > { > > logger.debug("Action listener already has a > > listener for " + > > this.propertyAttr.getValue()); > > return true; > > } > > } > > logger.debug("Action listener for property is not present. > > Property: " + > > this.propertyAttr.getValue()); > > return false; > > } > > } > > > -- > Dave Brondsema > Software Developer > Cornerstone University > > >
