Update hidden tag to support being disabled per WW-2566. Thanks to Jelmer Kuperus for the patch.

I added a unit test as well.

git-svn-id: https://svn.apache.org/repos/asf/struts/struts2/trunk@660539 13f79535-47bb-0310-9956-ffa450edef68

core/src/main/resources/template/simple/hidden.ftl

@@ -34,5 +34,8 @@
 <#if parameters.cssStyle?exists>
  style="${parameters.cssStyle?html}"<#rt/>
 </#if>
+<#if parameters.disabled?default(false)>
+ disabled="disabled"<#rt/>
+</#if>
 <#include "/${parameters.templateDir}/simple/dynamic-attributes.ftl" />
 />

core/src/site/resources/tags/hidden.html

@@ -113,7 +113,7 @@ Please do not edit it directly.
 					<td align="left" valign="top">:</td>
 					<td align="left" valign="top">false</td>
 					<td align="left" valign="top">String</td>
-					<td align="left" valign="top">String that will be appended to the labe</td>
+					<td align="left" valign="top">String that will be appended to the label</td>
 				</tr>
 				<tr>
 					<td align="left" valign="top">labelposition</td>

core/src/test/java/org/apache/struts2/views/jsp/ui/HiddenTest.java

@@ -48,6 +48,23 @@ public class HiddenTest extends AbstractUITagTest {
         verify(TextFieldTag.class.getResource("Hidden-1.txt"));
     }
 
+    public void testDisabled() throws Exception {
+        TestAction testAction = (TestAction) action;
+        testAction.setFoo("bar");
+
+        HiddenTag tag = new HiddenTag();
+        tag.setPageContext(pageContext);
+        tag.setLabel("mylabel");
+        tag.setName("myname");
+        tag.setValue("%{foo}");
+        tag.setDisabled("true");
+
+        tag.doStartTag();
+        tag.doEndTag();
+
+        verify(TextFieldTag.class.getResource("Hidden-2.txt"));
+    }
+
     /**
      * Initialize a map of {@link org.apache.struts2.views.jsp.AbstractUITagTest.PropertyHolder} for generic tag
      * property testing. Will be used when calling {@link #verifyGenericProperties(org.apache.struts2.views.jsp.ui.AbstractUITag,

core/src/test/resources/org/apache/struts2/views/jsp/ui/Hidden-2.txt

@@ -0,0 +1 @@
+<input type="hidden" name="myname" value="bar" id="myname" disabled="disabled"/>