Add om_icons protocol, and use it in PageTemplates to show error status.

lib/python/OFS/dtml/main.dtml

@@ -107,7 +107,15 @@ function toggleSelect() {
   <td align="left" valign="top" width="16">
   <input type="checkbox" name="ids:list" value="&dtml-sequence-key;" />
   </td>
-  <td align="left" valign="top">
+  <td align="left" valign="top" nowrap="1">
+
+  <dtml-if om_icons>
+  <a href="&dtml.url_quote-sequence-key;/manage_workspace">
+  <dtml-in om_icons mapping>
+  <img src="&dtml-BASEPATH1;/&dtml.url_quote-path;" alt="&dtml.missing-alt;" 
+   title="&dtml.missing-title;" border="0" /></dtml-in></a>
+  <dtml-else>
+
   <dtml-if icon>
   <a href="&dtml.url_quote-sequence-key;/manage_workspace">
   <img src="&dtml-BASEPATH1;/&dtml-icon;" alt="&dtml-meta_type;" 
@@ -115,6 +123,9 @@ function toggleSelect() {
   <dtml-else>
   &nbsp;
   </dtml-if>
+
+  </dtml-if>
+
   </td>
   <td align="left" valign="top">
   <div class="list-item">

lib/python/Products/PageTemplates/ZopePageTemplate.py

@@ -87,10 +87,10 @@
 Zope object encapsulating a Page Template.
 """
 
-__version__='$Revision: 1.21 $'[11:-2]
+__version__='$Revision: 1.22 $'[11:-2]
 
 import os, AccessControl, Acquisition, sys
-from Globals import DTMLFile, MessageDialog, package_home
+from Globals import DTMLFile, ImageFile, MessageDialog, package_home
 from zLOG import LOG, ERROR, INFO
 from OFS.SimpleItem import SimpleItem
 from DateTime.DateTime import DateTime
@@ -322,6 +322,16 @@ class ZopePageTemplate(Script, PageTemplate, Historical, Cacheable,
             return self._text
         return self.read()
 
+    def om_icons(self):
+        """Return a list of icon URLs to be displayed by an ObjectManager"""
+        icons = ({'path': 'misc_/PageTemplates/zpt.gif',
+                  'alt': self.meta_type, 'title': self.meta_type},)
+        if self._v_errors:
+            icons = icons + ({'path': 'misc_/PageTemplates/exclamation.gif',
+                              'alt': 'Error',
+                              'title': 'This template has an error'},)
+        return icons
+
     def __setstate__(self, state):
         ZopePageTemplate.inheritedAttribute('__setstate__')(self, state)
         self._cook()
@@ -375,6 +385,9 @@ def manage_addPageTemplate(self, id, title=None, text=None,
         REQUEST.RESPONSE.redirect(u+'/manage_main')
     return ''
 
+from Products.PageTemplates import misc_
+misc_['exclamation.gif'] = ImageFile('www/exclamation.gif', globals())
+
 def initialize(context):
     context.registerClass(
         ZopePageTemplate,

lib/python/Products/PageTemplates/__init__.py

@@ -87,9 +87,13 @@ __doc__='''Package wrapper for Page Templates
 This wrapper allows the Page Template modules to be segregated in a
 separate package.
 
-$Id: __init__.py,v 1.1 2001/03/23 17:19:07 evan Exp $'''
+$Id: __init__.py,v 1.2 2001/10/15 19:52:03 evan Exp $'''
 __version__='$$'[11:-2]
 
+
+# Placeholder for Zope Product data
+misc_ = {}
+
 def initialize(context):
     # Import lazily, and defer initialization to the module
     import ZopePageTemplate