The inherited binding is the way to pass through a parameter
unmodified. I'm not sure why your previous code didn't work though.
There may be a difference in the processing sequence between an
inherited binding and a regular one. (In 4.0 there is just
"binding".) I don't have my 3.0 source code open and at hand, or I'd
go diving to look at it.
Jamie
On Aug 2, 2005, at 2:31 PM, Dan wrote:
thanks for reply Jamie ... ok i just fig out the prob...
heres the change i made to my jwc:
<component id="tableStudentList" type="contrib:Table">
<inherited-binding name="source" parameter-name="ticketList"/>
<static-binding name="columns" value="student:Name:name" />
</component>
basically this ties in the passed params into the comp...i guess
BUT, i have a ques," is this how u ALWAYS bind parameters passed to
a jwc with the jwc's components? "
bascially i googled around and got over my error... but what is the
logic/explanation behind the inherited-binding / parameter-name
properties?
yaay..finally i can submit my HW ;-)
From: Jamie Orchard-Hays <[EMAIL PROTECTED]>
Reply-To: "Tapestry users" <[email protected]>
To: "Tapestry users" <[email protected]>
Subject: Re: creating jwc:101
Date: Tue, 2 Aug 2005 14:19:19 -0400
pageBeginRender() is called before the components are rendered,
so that shouldn't be your problem.
can you paste up the code in your page's pageBeginRender() method?
On Aug 2, 2005, at 1:29 PM, Dan wrote:
Hi,
I am trying to create a component using the contrib:Table
component. Basically in my application, there is a student
resultSet that I display many number of times. Only the source
of the contrib:Table keeps changing and so I decided to make a
StudentTable component, accepting a list of students as a
parameter. But I keep getting a runtime error:
org.apache.tapestry.ApplicationRuntimeException
Either the tableModel parameter or both source and columns
parameters must be specified by component StartPage/
stuentsRegisteredForCourses.tableStudentList.tableView
.jwc:
<parameter name="studentList" type="java.util.List" required="yes"/>
<property-specification name="student" type="edu.reg.hb.Student"/>
<component id="tableStudentList" type="contrib:Table">
<binding name="source" expression="studentList"/>
<static-binding name="columns" value="student:Name:name" />
</component>
.java has the respecitive getter/setter for studentList and student
-----
now trying to use this comp in a page:
.page:
<property-specification name="students" type="java.util.List"
persistent="yes"/>
<component id="stuentsRegisteredForCourses" type="TableStudentList">
<binding name="studentList" expression="students"/>
</component>
.html:
<table jwcid="stuentsRegisteredForCourses" />
---
i dont know when the component gets loaded, but i suspect that
it gets called before the pageBeginRender(), which actually sets
the students list with some value.
i cant fig out what am i doing wrong :(
Thanks,
-Dan
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