refactored <helpArea />

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@7989 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/lib/form/entry.jelly

@@ -28,6 +28,6 @@
     </f:description>
   </j:if>
   <j:if test="${help!=null}">
-    <tr class="help-area"><td></td><td colspan="2"><div class="help">Loading...</div></td><td></td></tr>
+    <f:helpArea />
   </j:if>
 </j:jelly>

core/src/main/resources/lib/form/helpArea.jelly

+<!--
+  Place holder to lazy-load help text via AJAX.
+-->
+<tr class="help-area">
+  <td/>
+  <td colspan="2">
+    <div class="help">Loading...</div>
+  </td>
+  <td/>
+</tr>

core/src/main/resources/lib/form/hetero-list.jelly

@@ -34,7 +34,7 @@
             </j:if>
           </tr>
           <j:if test="${help!=null}">
-            <tr class="help-area"><td></td><td colspan="2"><div class="help">Loading...</div></td><td></td></tr>
+            <f:helpArea />
           </j:if>
         </j:if>
         <st:include from="${descriptor}" page="${descriptor.configPage}" />

core/src/main/resources/lib/form/optionalBlock.jelly

@@ -26,7 +26,7 @@
     </j:if>
   </tr>
   <j:if test="${help!=null}">
-    <tr class="help-area"><td></td><td colspan="2"><div class="help">Loading...</div></td><td></td></tr>
+    <f:helpArea />
   </j:if>
   <d:invokeBody />
   <!-- end marker -->

core/src/main/resources/lib/form/radioBlock.jelly

@@ -25,7 +25,7 @@
     </j:if>
 	</tr>
   <j:if test="${attrs.help!=null}">
-    <tr class="help-area"><td></td><td colspan="2"><div class="help">Loading...</div></td><td></td></tr>
+    <f:helpArea />
   </j:if>
 	<d:invokeBody />
 	<!-- end marker -->