Merge pull request #19 from plone/plip1734thumbs

Plip1734thumbs

CHANGES.rst

@@ -10,7 +10,9 @@ Breaking changes:
 
 New features:
 
-- *add item here*
+- provide Mimetype icon path for file types in contentlisting object
+  https://github.com/plone/Products.CMFPlone/issues/1734
+  [fgrcon]
 
 Bug fixes:
 

README.rst

@@ -156,11 +156,6 @@ uuid() -
   point of it is to be unique. It can for example look like this
   `b0e80776-d41d-4f48-bf9e-7cb1aebabad5`.
 
-getIcon() -
-  Icon for the object. Returns an icon object from plone.app.layout.
-  If printed as a string, it will produce an HTML tag for the icon. Check
-  plone.app.layout for more info.
-
 getSize() -
   Size in bytes for example `24`.
 
@@ -254,3 +249,7 @@ Rights() -
 
 isVisibleInNav() -
   Return whether this object will be visible in a navigation view.
+
+MimeTypeIcon():
+  Return mimetype icon from mimetype registry if contenttype is
+        File else None.

plone/app/contentlisting/contentlisting.py

@@ -1,13 +1,20 @@
 # -*- coding: utf-8 -*-
+
+from Acquisition import aq_base
 from plone.app.contentlisting.interfaces import IContentListing
 from plone.app.contentlisting.interfaces import IContentListingObject
+from plone.app.layout.navigation.root import getNavigationRoot
 from plone.i18n.normalizer.interfaces import IIDNormalizer
 from plone.registry.interfaces import IRegistry
+from Products.CMFCore.utils import getToolByName
 from Products.CMFPlone.interfaces import INavigationSchema
+from Products.MimetypesRegistry.MimeTypeItem import guess_icon_path
 from zope.component import getUtility
 from zope.component import queryUtility
 from zope.interface import implementer
 
+import os
+
 
 @implementer(IContentListing)
 class ContentListing(object):
@@ -141,3 +148,18 @@ def isVisibleInNav(self):
             return False
 
         return True
+
+    def MimeTypeIcon(self):
+        mimeicon = None
+        navroot = getNavigationRoot(self._brain)
+        contenttype = aq_base(
+            getattr(self._brain, 'mime_type', None))
+        if contenttype:
+            mtt = getToolByName(
+                self._brain, 'mimetypes_registry')
+            ctype = mtt.lookup(contenttype)
+            mimeicon = os.path.join(
+                navroot,
+                guess_icon_path(ctype[0]))
+
+        return mimeicon

plone/app/contentlisting/interfaces.py

@@ -86,3 +86,8 @@ def ContentTypeClass():
         """The contenttype suitable as a css class name, matching Plone
         conventions.
         """
+
+    def MimeTypeIcon():
+        """ return mimetype icon from mimetype registry if contenttype is
+        File else None
+        """