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From "Steven James (JIRA)" <j...@apache.org>
Subject [jira] [Created] (WW-4319) struts2-jquery-plugin custom tag templates broken
Date Wed, 09 Apr 2014 14:24:15 GMT
Steven James created WW-4319:
--------------------------------

             Summary: struts2-jquery-plugin custom tag templates broken
                 Key: WW-4319
                 URL: https://issues.apache.org/jira/browse/WW-4319
             Project: Struts 2
          Issue Type: Bug
    Affects Versions: 2.3.16.1
         Environment: Struts 2.3.16.1, struts2-jquery-plugin 3.7.0, tomcat v7.0
            Reporter: Steven James


Hi,
I am developing an application which has been predominantly written with Struts2 version 2.3.15.3
and the struts2-jquery-plugin version 3.6.1.
I have recently upgraded to Struts2 version 2.3.16.1 and struts2-jquery-plugin version 3.7.0.
The application has used the css_xhtml theme throughout, defined in struts.xml.
Since the upgrade, the HTML markup of the struts2-jquery-plugin ( sj: ) components has been
adversly affected.
I have debugged the application and found that the issue is caused by the changes made to
themes under WW-4145.
The situation appears to be this:
The struts2-jquery-plugin has implemented custom tags for their components and these classes
will return the value of 'jquery' in response to the getTheme() method. They do appear to
correctly store a 'parentTheme' parameter with the correct value (in my case from the parent
form element) of 'css_xhtml'.
The struts2-jquery-plugin custom templates are successfully found on the templates/jquery
path, but some of them contain 'include' statements, for example, the datepicker.ftl contains
the following snippet:
 {code:xml}
<#if parameters.parentTheme == 'css_xhtml'>
<#include "/${parameters.templateDir}/css_xhtml/controlheader.ftl" />
</#if>
{code}
So, at this point, all is well, the correct controlheader.ftl template for the css_xhtml theme
is found and included, however this template (now) contains the following include:
{code:xml} 
<#include "/${parameters.templateDir}/${parameters.expandTheme}/controlheader-core.ftl">
{code}
And this is where it starts to go wrong. The {noformat}${parameters.expandTheme}{noformat}
resolves to '~~~jquery' and, after reading the WW-4145 change info, I understand that this
will cause the ThemeManager to load the template from the parent theme as defined in the theme.properties
file. This, in the case of the struts2-jquery-plugin, is defiend as 'xhtml' and NOT 'css_xhtml'
as discovered from the parent form component. Consequently, the wrong controlheader-core.ftl
template is included, and the resulting HTML includes incorrect <tr> and <td>
tags which ultimately break the page.
 
Other than hacking the templates, I cannot see a satisfactory way of resolving this problem,
so any assistance would be gratefully received.
 
Thanks
Steve



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