diff --git a/base/templatetags/seahub_tags.py b/base/templatetags/seahub_tags.py
index 922727e43c..d625b0192b 100644
--- a/base/templatetags/seahub_tags.py
+++ b/base/templatetags/seahub_tags.py
@@ -1,6 +1,8 @@
 from datetime import datetime
 from django import template
 
+from seahub.settings import SUPPORTED_FILE_EXT
+
 register = template.Library()
 
 @register.filter(name='tsstr_sec')
@@ -11,3 +13,15 @@ def tsstr_sec(value):
     except:
         return datetime.fromtimestamp(value/1000000).strftime("%Y-%m-%d %H:%M:%S")
 
+@register.filter(name='file_icon_filter')
+def file_icon_filter(value):
+    """Get file icon according to the file postfix"""
+    if value.rfind('.') > 0:
+        file_ext = value.split('.')[-1]
+    else:
+        file_ext = None
+
+    if file_ext and SUPPORTED_FILE_EXT.has_key(file_ext):
+        return SUPPORTED_FILE_EXT.get(file_ext)
+    else:
+        return SUPPORTED_FILE_EXT.get('default')
diff --git a/settings.py b/settings.py
index aade832304..ee596ecff5 100644
--- a/settings.py
+++ b/settings.py
@@ -129,6 +129,14 @@ CCNET_APPLET_ROOT = "http://localhost:8081"
 
 SEAFILE_VERSION = '0.9.2'
 
+# Add supported file extensions and file icon name.
+# Icons will show in repo page.
+SUPPORTED_FILE_EXT = {
+    'txt' : 'foo.jpg',
+    'pdf' : '',
+    'default' : '',
+}
+
 try:
     import local_settings
 except ImportError: