The layout component that passes in the 'breadCrumb' model to the 'heading' component which should render the breadcrumbs...
<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";> <html xmlns="http://www.w3.org/1999/xhtml"; xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <link rel="shortcut icon" href="favicon.ico" /> <title>${title}</title> </head> <body> <div id="container"> <t:branding t:id="branding" /> <t:heading t:id="heading" t:breadCrumbs="${basePage.breadCrumbHolder.model}" /> <t:body /> <t:copyright t:id="copyright" /> </div> </body> </html> On Fri, 2008-04-18 at 16:43 +0200, Chris Lewis wrote: > And that is the part I want to see, from the template code which you > still haven't shared ;-). What I'm referring to is your .tml file where > you use this component. > > Jan Vissers wrote: > > In the snippet below if I change: > > public List<BreadcrumbBean> getBreadCrumbs() > > > > and let it return a freshly created list. The loop construct works. > > However via the @Parameter (passing it it) doesn't. > > > > -J. > > > > > > On Fri, 2008-04-18 at 16:27 +0200, Jan Vissers wrote: > > > >> Here it is: > >> > >> import java.util.List; > >> > >> import org.apache.log4j.Logger; > >> import org.apache.tapestry.annotations.Parameter; > >> > >> import com.philips.lighting.guidecontrol.view.BreadcrumbBean; > >> > >> /** > >> * The heading component holds the following pieces of Heading > >> information. > >> * > >> * <pre> > >> * <div id="heading"> > >> * <ul id="breadcrumbs"> > >> * <li > >> id="prefix">[ &aposyou-are-here&apos ]>/li> > >> * { when loginPage } > >> * <li>&aposlogin-page&apos</li> > >> * { when not loginPage } > >> * { for all crumbs } > >> * { if crumb is last } > >> * <li>[ crumb text ]</li> > >> * { if crumb is not last } > >> * <li><a href="[ crumb > >> link ]">[ crumb text ]</a> > </li> > >> * </ul> > >> * </div> > >> * </pre> > >> * > >> * @author Cumquat Information Technology > >> * > >> */ > >> public class Heading { > >> private static final Logger logger = > >> Logger.getLogger(Heading.class); > >> > >> @Parameter > >> private boolean loginPage = false; > >> > >> @Parameter > >> private List<BreadcrumbBean> breadCrumbs; > >> > >> private int index; > >> > >> private BreadcrumbBean crumb; > >> > >> public boolean isLoginPage() { > >> return loginPage; > >> } > >> > >> public List<BreadcrumbBean> getBreadCrumbs() { > >> return breadCrumbs; > >> } > >> > >> public void setBreadCrumbs(List<BreadcrumbBean> breadCrumbs) { > >> logger.debug("Setting breadcrumbs: "+breadCrumbs); > >> this.breadCrumbs = breadCrumbs; > >> } > >> > >> public int getIndex() { > >> return index; > >> } > >> > >> public void setIndex(int index) { > >> this.index = index; > >> } > >> > >> public BreadcrumbBean getCrumb() { > >> return crumb; > >> } > >> > >> public void setCrumb(BreadcrumbBean crumb) { > >> this.crumb = crumb; > >> } > >> > >> public boolean isLastCrumb() { > >> return (index == breadCrumbs.size() - 1); > >> } > >> > >> } > >> > >> On Fri, 2008-04-18 at 16:22 +0200, Chris Lewis wrote: > >> > >>> We still haven't seen your template code, where you declare this > >>> component and pass it the model. I can't be sure but perhaps it will > >>> shed some light... > >>> > >>> Jan Vissers wrote: > >>> > >>>> The problem is somehow related to the way my page and component are > >>>> hooked up/working. > >>>> > >>>> For testing purposes I now create the Breadcrumb list in the component > >>>> itself, simply returning a created list on the fly whenever > >>>> getBreadCrumbs() is called. This works as expected!!! > >>>> > >>>> Strange thing is that via passing the 'model' to the component via a > >>>> page binding the same thing doesn't work. This must be a bug?! > >>>> > >>>> -J. > >>>> > >>>> On Fri, 2008-04-18 at 15:59 +0200, Chris Lewis wrote: > >>>> > >>>> > >>>>> That looks good to me. I don't have an example I can look at with a > >>>>> loop, but I do have one with a t:grid in which I reference a bean > >>>>> property of a custom class. It's possible that the two are vastly > >>>>> different, but I wouldn't think that. > >>>>> > >>>>> Jan Vissers wrote: > >>>>> > >>>>> > >>>>>> On the component I have: > >>>>>> > >>>>>> @Parameter > >>>>>> private List<BreadcrumbBean> breadCrumbs; > >>>>>> > >>>>>> This is passed in via the containg (base)page. > >>>>>> And in the same component class I have: > >>>>>> > >>>>>> private BreadcrumbBean crumb; > >>>>>> > >>>>>> public BreadcrumbBean getCrumb() { > >>>>>> return crumb; > >>>>>> } > >>>>>> > >>>>>> public void setCrumb(BreadcrumbBean crumb) { > >>>>>> this.crumb = crumb; > >>>>>> } > >>>>>> > >>>>>> This should be right, right? > >>>>>> > >>>>>> -J. > >>>>>> > >>>>>> On Fri, 2008-04-18 at 14:00 +0100, nicholas Krul wrote: > >>>>>> > >>>>>> > >>>>>> > >>>>>>> ? is your crumb property of type BreadCrumbBean, or is it type String? > >>>>>>> should be same as breadCrumbs<?TYPE> > >>>>>>> > >>>>>>> On Fri, Apr 18, 2008 at 1:56 PM, Chris Lewis <[EMAIL PROTECTED]> > >>>>>>> wrote: > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>>> I can't speak about your t:if bit because I don't know what > >>>>>>>> "LastCrumb" > >>>>>>>> would be, but assuming that your page class has getters/setters (or > >>>>>>>> the > >>>>>>>> property is annotated with @Property) for the "crumb" property, a > >>>>>>>> getter > >>>>>>>> for your "breadCrumbs," and your crumb bean defines a "getName" > >>>>>>>> method, > >>>>>>>> you *should* be good. > >>>>>>>> > >>>>>>>> It would be helpful if you can include the exception, specifically > >>>>>>>> the > >>>>>>>> line it references, etc. > >>>>>>>> > >>>>>>>> chris > >>>>>>>> > >>>>>>>> PS the list is good, the IRC channel (irc.freenode.net #tapestry) is > >>>>>>>> better ;-) > >>>>>>>> > >>>>>>>> Jan Vissers wrote: > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>>> Yep, sure, I may I add - This mailing list is great and Tapestry > >>>>>>>>> rocks! > >>>>>>>>> > >>>>>>>>> <t:loop source="breadCrumbs" value="crumb" index="index"> > >>>>>>>>> <t:if test="LastCrumb"> > >>>>>>>>> ${crumb.name} > >>>>>>>>> <t:parameter name="else"> > >>>>>>>>> <a href="#" > >>>>>>>>> t:type="pageLink" ....>${crumb.name}</a> > >>>>>>>>> > > >>>>>>>>> </t:parameter> > >>>>>>>>> </t:if> > >>>>>>>>> </t:loop> > >>>>>>>>> > >>>>>>>>> -J. > >>>>>>>>> > >>>>>>>>> On Fri, 2008-04-18 at 14:34 +0200, Chris Lewis wrote: > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>>> Can you share some code? At least the relevant part from template > >>>>>>>>>> would > >>>>>>>>>> be helpful. > >>>>>>>>>> > >>>>>>>>>> chris > >>>>>>>>>> > >>>>>>>>>> Jan Vissers wrote: > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>>> Hi, > >>>>>>>>>>> > >>>>>>>>>>> Just to make sure I'm not missing something. > >>>>>>>>>>> > >>>>>>>>>>> In T4 when I wrote a @For construct I could use value="..." as > >>>>>>>>>>> long as > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>> I > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>>>>> provided a setter|getter pair for the class involved - in this > >>>>>>>>>>> case > >>>>>>>>>>> BreadcrumbBean. I want to iterate over a list of beans and use > >>>>>>>>>>> each > >>>>>>>>>>> instance individually. Now T5 throws up on me with this nice > >>>>>>>>>>> coercion > >>>>>>>>>>> message. Does this mean I need to contribute my own coercion - or > >>>>>>>>>>> is > >>>>>>>>>>> there a more simple way? In my case BreadcrumbBean is a simple > >>>>>>>>>>> class > >>>>>>>>>>> holding three String members. > >>>>>>>>>>> > >>>>>>>>>>> Thanks (again :-)) > >>>>>>>>>>> -J. > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> --------------------------------------------------------------------- > >>>>>>>>>>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>>>>>>>>> For additional commands, e-mail: [EMAIL PROTECTED] > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>> --------------------------------------------------------------------- > >>>>>>>>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>>>>>>> For additional commands, e-mail: [EMAIL PROTECTED] > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>> -- > >>>>>>>> http://thegodcode.net > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>> --------------------------------------------------------------------- > >>>>>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>>>> For additional commands, e-mail: [EMAIL PROTECTED] > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>> --------------------------------------------------------------------- > >>>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>> For additional commands, e-mail: [EMAIL PROTECTED] > >>>> > >>>> > >>>> > >>>> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [EMAIL PROTECTED] > >> For additional commands, e-mail: [EMAIL PROTECTED] > >> > >> > >> > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
