The css attributes control most of the formatting, but you are kind of on your own if you're going to go pre-tapestry4. (unless other people here can help you) .
I'm using the tree component within forms, with checkboxes as well. They are displayed to the right of the tree nodes though, it seemed cleaner. This is of course with tacos4 only though. jesse On 11/9/05, Inge Solvoll <[EMAIL PROTECTED]> wrote: > Thanks for the help, it seems that my problem was caused by stupidity > and a lazy developer who didn't want to face the fact that his > contentProvider could be null. > > One complaint: Isn't it possible to keep up with the excellent line > precise error reporting in Tapestry, and let the Tree component return a > more precise error message on these errors? > > As of now, I'm up to speed with my tree structure, and now I proceed > with the visual layout. I have one more question: > > I want to have a checkbox to the far left of the page for each node, > with functionality like: "Check this node if you want to delete it". > Until now I haven't been able to make this happen, the checkbox appears > between the plus-icon and the node name. Is there any way to achieve > this behaviour, to put parts of the node rendering "outside" of the tree > iteration? > > I would also like to use something like ListEdit to get > selected-properties out of the checkbox for each tree node, but I guess > this isn't possible without some custom code from me. > > Thanks again for all the great help from the mailing list, this is one > of the biggest pros to this great framework! > > Inge > > > Jesse Kuhnert wrote: > > This usually means either an IContentProvider or IKeyProvider wasn't > > available during render. You can also try setting nodeLinkAjax > > parameter to false to see if I've introduced a new bug. Let me know. > > > > jesse > > On 11/8/05, Inge Solvoll <[EMAIL PROTECTED]> wrote: > > > >>I'm trying to use a tacos:Tree component in my page, without luck. I get > >>the following error when clicking on the plus image, expanding a node: > >> > >>Unable to invoke method expansion on > >>[EMAIL PROTECTED]/$DivisionSelectionTree.tree]: > >>null > >> > >>I've tried switching to the excact same jar-files as the demo > >>application uses, no difference. > >> > >>As you've probably understood, the tree renders correctly at first > >>showing the root node with a plus-icon next to it. When clicking on the > >>plus-icon, there is one child node of the root node that should be made > >>visible. > >> > >>I've tried setting breakpoints in my content provider, as well as in the > >>component containing the tree component, but the page crashes before > >>these are called. I've also tried to put breakpoints in all methods in > >>Tree and TreeManager, but none are reached. This usually works for me in > >>other classes. > >> > >>Any ideas? > >> > >>Here's the rest of the stack trace: > >> > >> > >> > >>java.lang.IllegalArgumentException > >>Stack Trace: > >> > >> * net.sf.tacos.tree.TreeManager.<init>(Unknown Source) > >> * net.sf.tacos.tree.Tree.getManager(Unknown Source) > >> * net.sf.tacos.tree.Tree.expansion(Unknown Source) > >> * sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > >> * > >>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > >> * > >>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > >> * java.lang.reflect.Method.invoke(Method.java:324) > >> * > >>org.apache.tapestry.listener.ListenerMap.invokeTargetMethod(ListenerMap.java:257) > >> * > >>org.apache.tapestry.listener.ListenerMap.access$100(ListenerMap.java:46) > >> * > >>org.apache.tapestry.listener.ListenerMap$SyntheticListener.invoke(ListenerMap.java:97) > >> * > >>org.apache.tapestry.listener.ListenerMap$SyntheticListener.actionTriggered(ListenerMap.java:102) > >> * org.apache.tapestry.link.DirectLink.trigger(DirectLink.java:119) > >> * > >>org.apache.tapestry.engine.DirectService.service(DirectService.java:169) > >> * > >>org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:889) > >> * > >>org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:198) > >> * > >>org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:159) > >> * javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > >> * javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > >> * > >>org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) > >> * > >>org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > >> * > >>com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118) > >> * > >>com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52) > >> * > >>org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) > >> * > >>org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > >> * > >>no.dossier.moby.frontend.common.filters.BasicFilter.doFilter(BasicFilter.java:161) > >> * > >>org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) > >> * > >>org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > >> * > >>org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) > >> * > >>org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) > >> * > >>org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) > >> * > >>org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) > >> * > >>org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) > >> * > >>org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) > >> * > >>org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) > >> * > >>org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) > >> * > >>org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) > >> * > >>org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) > >> * > >>org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) > >> * java.lang.Thread.run(Thread.java:534) > >> > >> > >>--------------------------------------------------------------------- > >>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]
