Add RADICALE:displayname property for raw displayname

Remove workaround from the web interface.

radicale/web/fn.js

@@ -221,10 +221,6 @@ function get_collections(user, password, collection, callback) {
                         description = calendardesc_element ? calendardesc_element.textContent : "";
                     }
                 }
-                // Quirks
-                if (href === (displayname ? "/" + displayname + "/" : "/")) {
-                    displayname = "";
-                }
                 var sane_color = color.trim();
                 if (sane_color) {
                     var color_match = COLOR_RE.exec(sane_color);
@@ -249,10 +245,14 @@ function get_collections(user, password, collection, callback) {
         }
     };
     request.send('<?xml version="1.0" encoding="utf-8" ?>' +
-                 '<propfind xmlns="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav" xmlns:CR="urn:ietf:params:xml:ns:carddav" xmlns:I="http://apple.com/ns/ical/" xmlns:INF="http://inf-it.com/ns/ab/">' +
+                 '<propfind xmlns="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav" ' +
+                         'xmlns:CR="urn:ietf:params:xml:ns:carddav" ' +
+                         'xmlns:I="http://apple.com/ns/ical/" ' +
+                         'xmlns:INF="http://inf-it.com/ns/ab/" ' +
+                         'xmlns:RADICALE="http://radicale.org/ns/">' +
                      '<prop>' +
                          '<resourcetype />' +
-                         '<displayname />' +
+                         '<RADICALE:displayname />' +
                          '<I:calendar-color />' +
                          '<INF:addressbook-color />' +
                          '<C:calendar-description />' +

radicale/xmlutils.py

@@ -53,7 +53,8 @@ NAMESPACES = {
     "D": "DAV:",
     "CS": "http://calendarserver.org/ns/",
     "ICAL": "http://apple.com/ns/ical/",
-    "ME": "http://me.com/_namespace/"}
+    "ME": "http://me.com/_namespace/",
+    "RADICALE": "http://radicale.org/ns/"}
 
 NAMESPACES_REV = {}
 for short, url in NAMESPACES.items():
@@ -986,6 +987,13 @@ def _propfind_response(base_prefix, path, item, props, user, write=False,
                     tag = ET.Element(_tag("D", "href"))
                     tag.text = _href(base_prefix, "/%s/" % collection.owner)
                     element.append(tag)
+            elif tag == _tag("RADICALE", "displayname"):
+                # Only for internal use by the web interface
+                displayname = item.get_meta("D:displayname")
+                if is_leaf and displayname is not None:
+                    element.text = displayname
+                else:
+                    is404 = True
             elif tag == _tag("D", "displayname"):
                 if is_leaf:
                     element.text = item.get_meta("D:displayname") or item.path