Mmm... I think there is some misunderstanding in your use of Tiles.
If I understood, maybe you want to have an effect of "panel and
subpanels". If you want to do such a thing, you can use what I call as
"definitions of definitions".
If I understood (again :-P ) you want to have a main page, divided into
three pieces (left, top and body) and the body is changin depending on
your needs.
1) Prepare the base definition:
<definition name="main" path="/WEB-INF/jsp/layouts/main.jsp">
<put name="top" value="/WEB-INF/jsp/common/top.jsp" />
<put name="leftNav" value="/WEB-INF/jsp/common/leftNav.jsp" />
</definition>
2) Prepare the body layout. Suppose that you want to put only two
attributes, one for your tabs and one for the list.
bodyLayout.jsp:
<tiles:insert attribute="first" />
<tiles:insert attribute="second" />
3) Prepare the body definition:
<definition name="myBody" path="/WEB-INF/jsp/layouts/bodyLayout.jsp">
<put name="first" value="/WEB-INF/jsp/common/first.jsp" />
<put name="second" value="/WEB-INF/jsp/common/second.jsp" />
</definition>
4) Make a "definition of definition":
<definition name="main.usable" extends="main">
<put name="top" value="myBody" />
</definition>
This is all you need (again, if I undestood :-P ). Anyway I wish to put a
note aboud the "extends" attribute.
The attribute "extends" is used to put all the missing attributes that you
left in a definition. For example, take this layout:
/layout/layout.jsp:
<html:html>
<body>
<tiles:insert attribute="one" />
<tiles:insert attribute="two" />
<tiles:insert attribute="three" />
</body>
</html:html>
And take these definitions:
<definition name="defOne" path="/layouts/layout.jsp">
<put name="one" value="/tiles/one.jsp" />
<put name="two" value="/tiles/two.jsp" />
</definition>
<definition name="defTwo" extends="defOne">
<put name="three" value="/tiles/three.jsp" />
</definition>
The "defOne" definition is unusable, because it misses the "three"
attribute, but it can be used to be a base for "defTwo" definition.
bill curtis wrote:
>hello!!
>
>I have been looking high and low for an answer to this problem.
>
>I am trying to define a layout, one component of which is another layout:
>
>
> <definition name="main" path="/WEB-INF/jsp/layouts/main.jsp">
> <put name="top" value="/WEB-INF/jsp/common/top.jsp" />
> <put name="leftNav" value="/WEB-INF/jsp/common/leftNav.jsp" />
> </definition>
>
>
> <definition name="tabs" extends="main">
> <put name="body" value="/WEB-INF/jsp/foo/tabs.jsp" />
> </definition>
>
> <definition name="list" extends="tabs" >
> <put name="view" value="/WEB-INF/jsp/foo/list.jsp" />
> </definition>
>
>
> main.jsp:
>
> <html:html>
> <body>
> <tiles:insert attribute="top" />
> <tiles:insert attribute="leftNav" />
> <tiles:insert attribute="body" />
> </body>
> </html:html>
>
>
> tabs.jsp:
>
> <tiles:insert attribute="view" />
>
>
>When I forward to "list", main loads, it's children, including tabs,
>but when tabs tries to load list as a child, I get this error:
>
> [ServletException in:/WEB-INF/jsp/foo/tabs.jsp]
> Error - Tag Insert : No value found for attribute 'view'.'
>
>
>I have tried numerous variants of my tiles defs and tiles tags, but I
>can't get it to work.
>
>Is there a way to do this? If not, are there any recommended
>workarounds that can be used to acheive the same effect? Ideally,
>tabs.jsp would not have it's component hard coded, I would like to be
>able to select on the basis of the original forwards (which will come
>from different action mappings and use different forms).
>
>thanks & regards,
>--bill
>
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