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From Brice Ruth <br...@fiskars.com>
Subject Re: [Tiles] Populating Tiles definition attribute at runtime
Date Mon, 29 Dec 2003 19:20:31 GMT
Wow, that's pretty cool ... I'll have to check out the controllerClass 
stuff sometime :)

Domingo A. Rodriguez S. wrote:

>Hi Robert..
>
>I guess you could achieve the same using the controllerClass attribute and
>building your class.. For instance, I have this definition in the
>tiles-defs.xml file:
>---
>   <definition name=".layout" 
>               path="/common/layout.jsp"
>    controllerClass='com.dars.XTileAction'>
>     <put name="title"       value="Encabezado primario"/>
>     <put name="leftside"    value="/common/leftside.jsp"/>
>     <put name="rightside"   value="/common/rightside.jsp"/>
>     <put name="header"      value="/common/header.jsp"/>
>     <put name="footer"      value="/common/footer.jsp"/>
>     <put name="body"        value="/common/body.jsp"/>
>   </definition>
>---
>  And I have this controllerClass
>---
>package com.dars;
>import org.apache.struts.tiles.actions.TilesAction;
>import org.apache.struts.tiles.ComponentContext;
>import org.apache.struts.tiles.Controller;
>import javax.servlet.http.HttpServletRequest;
>import javax.servlet.http.HttpServletResponse;
>import javax.servlet.ServletContext;
>import javax.servlet.ServletException;
>import java.io.IOException;
>
>public class XTileAction extends TilesAction implements Controller{
>    public void perform(ComponentContext tilesctx,
>                        HttpServletRequest request,
>                        HttpServletResponse response,
>                        ServletContext servctx) 
>                        throws ServletException, IOException{
> /* GetAttributes */
>             String titulo= (String)tilesctx.getAttribute("title");
>             String derecha= (String)tilesctx.getAttribute("rightside");
> /* GetAttributes */ 
>             System.out.println("  Titulo: "+titulo);
>             System.out.println(" Derecha: "+derecha);
> /* SetAttributes */
>           tilesctx.putAttribute("title", "Titulo nuevo de esta vaina..");
>           tilesctx.putAttribute("rightside", "/common/footer.jsp");
> /* SetAttributes */
>    }
>}
>---
>You can change the values of those attributes at runtime. I prefer to do
>it using this method.
>
>Atte.
>Domingo A. Rodriguez S.
>
>
> --- Robert Taylor <rtaylor@mulework.com> escribió: > Greetings, I have a
>tiles definition in my tiles-defs.xml similar to
>  
>
>>below:
>>
>> <definition name="search" extends="layout">
>>    <put name="heading" value="{0}Search" type="string" />
>>    <put name="content" value="/search.jsp" type="page" />
>>  </definition>
>>
>>which I would like to be able to modify the "heading" value such that
>>at runtime I could substitute a value for {0}. 
>>
>>For example, it would be ideal to use a JSTL type of syntax such as:
>>
>><definition name="search" extends="layout">
>>    <put name="heading" value="${param.myValue}Search" type="string" />
>>    <put name="content" value="/search.jsp" type="page" />
>>  </definition>
>>
>>but this does not work.
>>
>>
>>
>>robert
>>
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>>    
>>
>
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>  
>

-- 
Brice D. Ruth
Sr. IT Analyst
Fiskars Brands, Inc.


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