For Tomahawk? Alex Brown-4 wrote: > > FYI, there is a link to it (src) on the download page next to the binary. > It is a zip file. > > ________________________________ > > From: monkeyden [mailto:[EMAIL PROTECTED] > Sent: Mon 10/23/2006 6:55 PM > To: users@myfaces.apache.org > Subject: Re: Getting a reference to my backing bean in TabChangeListener > > > > > I wouldn't say it's "very accessible" unless: > > [1] There is a link to it on the download page (right next to the link to > the binaries, I might add) > [2] I can download it as a zip file, to allow me to step through it in my > debugger. > > and I don't have to: > [3] View Java code from my browser (icky!) > [4] Rebuild the source tree myself, to step through it. > > Disclaimer: Square brackets ([]) provided not for sarcasm, but > readability. > :) > > > Jeff Bischoff wrote: >> >> Oh please don't waste your time decompiling! The source is very >> accessible. :) >> >> [1] Is the project website >> [2] Is the download page, with source code for *some* of the releases >> [3] Is the SVN repository (online access) for getting the source code >> directly >> >> Now you can see what's at line 82! :D >> >> [1] http://myfaces.apache.org/ >> [2] http://myfaces.apache.org/download.html >> [3] http://svn.apache.org/repos/asf/myfaces/ >> >> Regards, >> >> Jeff Bischoff >> Kenneth L Kurz & Associates >> >> monkeyden wrote: >>> I decompiled the class file for this tag (tomahawk v1.1.3) and found >>> that >>> there are only two places where casting is done (don't know the line >>> numbers >>> as it's decompiled code). >>> >>> 1. TabChangeListener listener = >>> (TabChangeListener)ClassUtils.newInstance(className); >>> 2. ((HtmlPanelTabbedPane)component).addTabChangeListener(listener); >>> >>> Clearly my tab listener won't result in a ClassCastException, because it >>> implements TabChangeListener, which leaves the HtmlPanelTabbedPane cast. >>> This doesn't appear possible either since the following code is being >>> used: >>> >>> <t:panelTabbedPane id="tabbedPane" width="650" >>> serverSideTabSwitch="true" >>> selectedIndex="#{editProfileAction.selectedTab}" > >>> ... >>> <t:tabChangeListener >>> type="com.nemoves.pipeline.util.EditUserRecordTabListener"/> >>> </t:panelTabbedPane> >>> >>> >>> >>> >>> monkeyden wrote: >>>> Thanks for the reply Jeff. >>>> >>>> I am currently trying this but getting a ClassCastException when the >>>> tabChangeListener tag is encountered. Does anyone know where I can >>>> find >>>> the source for tomahawk, so I can step through int he debugger? Only >>>> bin >>>> is available here: http://www.wmwweb.com/apache/myfaces/ >>>> http://www.wmwweb.com/apache/myfaces/ >>>> >>>> java.lang.ClassCastException: com.site.util.EditUserRecordTabListener >>>> at >>>> org.apache.myfaces.custom.tabbedpane.TabChangeListenerTag.doStartTag(TabChangeListenerTag.java:82) >>>> >>>> Here is the code: >>>> >>>> package com.site.util; >>>> >>>> import javax.faces.context.FacesContext; >>>> import javax.faces.el.ValueBinding; >>>> import javax.faces.event.AbortProcessingException; >>>> >>>> import org.apache.myfaces.custom.tabbedpane.TabChangeEvent; >>>> import org.apache.myfaces.custom.tabbedpane.TabChangeListener; >>>> >>>> import com.site.actions.EditUserRecordAction; >>>> >>>> public class EditUserRecordTabListener implements TabChangeListener { >>>> >>>> public void processTabChange(TabChangeEvent event) throws >>>> AbortProcessingException { >>>> int newIndex = event.getNewTabIndex(); >>>> int oldIndex = event.getNewTabIndex(); >>>> EditUserRecordAction action = >>>> (EditUserRecordAction)getManagedBean("editProfileAction"); >>>> action.setSelectedTab(newIndex); >>>> } >>>> >>>> public static Object getManagedBean(String ref) { >>>> // Find or create the web-tier data object >>>> // ref like "#{myBean}" >>>> FacesContext context = FacesContext.getCurrentInstance(); >>>> ValueBinding binding = >>>> context.getApplication().createValueBinding(ref); >>>> Object result = binding.getValue(context); >>>> return result; >>>> } >>>> >>>> } >>>> >>>> >>>> Jeff Bischoff wrote: >>>>> Monkeyden, >>>>> >>>>> See [1]. This is from the front page of the wiki. >>>>> >>>>> Alternatively, all managed beans can be accessed directly from the >>>>> appropriate scope (i.e. request, session). >>>>> >>>>> I found the following utility method (based on the wiki page) useful >>>>> in >>>>> my application: >>>>> >>>>> /** >>>>> * Look up a managed bean by JSP-EL value-binding expression >>>>> * @param ref a value-binding expression to lookup >>>>> * @return the managed bean referenced by the expression >>>>> */ >>>>> public static Object getManagedBean(String ref) { >>>>> // Find or create the web-tier data object >>>>> // ref like "#{myBean}" >>>>> FacesContext context = FacesContext.getCurrentInstance(); >>>>> ValueBinding binding = >>>>> context.getApplication().createValueBinding(ref); >>>>> return binding.getValue(context); >>>>> } >>>>> >>>>> [1] http://wiki.apache.org/myfaces/AccessingOneManagedBeanFromAnother >>>>> >>>>> Regards, >>>>> >>>>> Jeff Bischoff >>>>> Kenneth L Kurz & Associates, Inc. >>>>> >>>>> monkeyden wrote: >>>>>> Im using a Tomahawk tabbedPane in my JSP >>>>>> >>>>>> <t:panelTabbedPane id="tabbedPane" bgcolor="#ffffff" width="650" >>>>>> serverSideTabSwitch="true" >>>>>> selectedIndex="#{myBackingBean.selectedTab}"> >>>>>> >>>>>> I want to implement a TabChangeListener, to set the "selectedTab" >>>>>> value >>>>>> of >>>>>> the backing bean. I don't need to change the view of the component >>>>>> at >>>>>> all, >>>>>> since that's handled automatically. I just need to know what the >>>>>> currently >>>>>> selected tab is. Looking at the hierarchy, there doesn't seem to be >>>>>> a >>>>>> way >>>>>> to get my backing bean instance from session to set the value. This >>>>>> is >>>>>> how >>>>>> I would expect this to be done. Please tell me if I'm way off base >>>>>> or >>>>>> not. >>>>>> >>>>>> processTabChange(TabChangeEvent tabChangeEvent){ >>>>>> MyBackingBean myBean = [get the bean somehow]; >>>>>> myBean.setSelectedTab(tabChangeEvent.getNewTabIndex()); >>>>>> } >>>>> >>>>> >>>>> >>>> >>> >> >> >> >> > > -- > View this message in context: > http://www.nabble.com/Getting-a-reference-to-my-backing-bean-in-TabChangeListener-tf2495151.html#a6963901 > Sent from the MyFaces - Users mailing list archive at Nabble.com. > > > > > >
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