Cool! looks good ;)
regards, Martin On 10/7/05, Udo Schnurpfeil <[EMAIL PROTECTED]> wrote: > I've found a way to combine components to new tags. > > There was already some discussion on a similar topic: > http://www.mail-archive.com/[email protected]/msg06438.html > http://www.mail-archive.com/[email protected]/msg06369.html > > My first approach was to write a tag file (JSP 2.0) like > (this is a non-working short-sample): > > file: inWithLabel.tag > > <%@ attribute name="label" %> > <%@ attribute name="value" %> > <%@ attribute name="binding" %> > > <t:panel> > <t:label value="${label}"> > <t:in value="${value}" binding="${binding}"> > </t:panel> > > The first tests with "label" and "value" run well. > But I found a big problem: If I want more advanced features like > "binding" I have a problem: If the binding is not set the container will > call setBinding("") with an empty string, which is not allowed. > > So I write the Tag by hand: > int doStartTag() { > PanelTag panel = new PanelTag(); > panel.setPageContext(pageContext); > panel.doStartTag(); > ... > } > You can see a real sample here: > http://www.atanion.net/repos/asf/tobago/trunk/core/src/main/org/apache/myfaces/tobago/taglib/extension/InExtensionTag.java > > advantage of tag as java class: > * Works with JSP 1.2 > * not need rtexpression (JSP EL) inside of JSF tags, which is in > common not allowed. > * setter only will be called, if the value != null > > advantage of tag file: > * the tag file looks much more tidy > > Regards, > > Udo > -- http://www.irian.at Your JSF powerhouse - JSF Trainings in English and German
