Thanks for the replies Peter. I tried adding the class attribute to my
component spec, but I still have the same problem. Tapestry still wants
to call the listener of the page containing they border.
Peter Svensson wrote:
No, you're right. I was confused. Now I do think I know why it doesn't work
though.
In your jwc file, you have specified the class which implements your
component, and is the place to go look for methods, etc.
<component-specification class="...
When you define a sub-component, like this;
<component id="editClient" type="DirectLink">
<binding name="listener" value="listener:editClient"/>
</component>
Tapestry will look for the editClient() or editClient(IRequestCycle cycle)
(I think) in the class specified.
what I do when I want dynamic listeners, or what you could call them, is to
let the listener be a parameter to my component, like;
<parameter name="callback"/>
and then in the component class have
public abstract IActionListener getCallback();
public abstract void setCallback(IActionListener l);
And then I use this somwhere in the class like;
IActionListener c = getCallback();
c.actionTriggered(this, cycle);
Or maybe as an parameter to something else, like you have in your component;
<binding name="listener" value="callback"/>
Cheers,
PS
On 4/12/06, matt wear <[EMAIL PROTECTED]> wrote:
Are you referring to the code for the listener? If so, I really have no
idea if it actually works, the listener never gets called. For some
reason tapestry tries to invoke the editClient listener of whatever page
the Border component is contained on, which it doesn't have. I would
like for the editClient listener of the Border component to be called.
Thanks for taking a look though.
- matt
Peter Svensson wrote:
Hmm. I'm no expert, but couldn't it be that you try to use your Border
component as if it were a page?
Remember that a page can contain several components, which in turn can
contain components, but when you call the getPage() method in the
component
it actually correctly returns a reference to the current page, whichever
one
you have for the moment.
Cheers,
PS
On 4/12/06, matt wear <[EMAIL PROTECTED]> wrote:
I have a Border component that has a menu composed of direct
links. For
some reason, tapestry is looking for the listeners of these links in
the
.java file of the page that the border is contained in, and not the
Border object its self. Here is a very simple example of what I am
saying.
Border.jwc
<component-specification allow-informal-parameters="no">
<parameter name="id"/>
<parameter name="title"/>
<parameter name="level"/>
<component id="editClient" type="DirectLink">
<binding name="listener" value="listener:editClient"/>
</component>
</component-specification>
Border.html
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=ISO-8859-1">
<link href="./css/be.css" type="text/css" rel="stylesheet" />
<title><span jwcid="@Insert" value="ognl:title">title</span></title>
</head>
<body jwcid="@Body">
<div id="content">
<span jwcid="@RenderBody">Page Content</span>
</div>
<div id="menu">
<span jwcid="@If" condition="level == 'client'">
<ul>
<li><a jwcid="editClient">Edit Client</a></li>
</ul>
</span><
</div>
</body>
</html>
Border.java
public abstract class Border extends BaseComponent
{
@InjectPage("ClientForm")
public abstract ClientForm getClientForm();
public IPage editClient()
{
ClientForm clientForm = getClientForm();
clientForm.setClientId((Integer)
PropertyUtils.read(getPage(),"clientId"));
return clientForm;
}
}
Now, say for a example I include the Border component on a page
ClientHome. I get an error saying that ClientHome does not implement a
listener editClient, when I really want the editClient listener of the
Border component to be called.
I looked at the virtual library example because the same thing is being
done with the Border component there, however, I can not see what I've
done wrong. Why isn't the listener editClient of the Border component
being called? Thanks in advance for any help.
- Matt Wear
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