template: custom themes for agenda

For agenda a custom theme can be configured in locations/theme.
Templates are read from the subdirectory "templates/<theme>/".  The
default theme is "default".  All Templates are moved to
templates/default.

website/agenda/templates/default/event.json-p

@@ -0,0 +1,66 @@
+<TMPL_IF use_client_cache>Cache-Control: max-age=600, must-revalidate
+</TMPL_IF>Content-type:application/json; charset=UTF-8
+Access-Control-Allow-Origin: *
+
+if(typeof(Feed) == 'undefined') Feed = {};
+Feed = {
+"version" : "1.0",
+"encoding" : "UTF-8",
+"feed" : { 
+  "xmlns" : "http://www.w3.org/2005/Atom",
+  "xmlns$openSearch" : "http://a9.com/-/spec/opensearchrss/1.0/",
+  "id" : { "$t" : "<TMPL_VAR source_base_url>" },
+  "updated" : { "$t" : "<TMPL_VAR modified_at>" },
+  "title" : {
+    "type" : "text",
+    "$t" : "<TMPL_VAR project_title> Sendeplan>" 
+   },
+  "subtitle" : {
+    "type" : "text",
+    "$t" : "<TMPL_VAR project_subtitle>"
+  },
+  "author" : [ {
+    "name": { "$t" : "<TMPL_VAR project>" },
+    "email" : { "$t" : "<TMPL_VAR project_email>" }
+  } ],
+  "link" : [ {
+    "rel" : "alternate",
+    "type" : "text/html",
+    "href" : "<TMPL_VAR <TMPL_VAR source_base_url>"
+  } ],
+  "generator" : {
+    "version" : "0.1",
+    "uri" : "<TMPL_VAR <TMPL_VAR source_base_url>>",
+    "$t" : "calcms"
+  },
+  "openSearch$totalResults" : { "$t" : "<TMPL_VAR event_count>" },
+<TMPL_LOOP events>
+  "entry" : [ {
+    "id" : { "$t" : "<TMPL_VAR cache_base_url>/<TMPL_VAR .controllers.event>/<TMPL_VAR event_id>.html/" },
+    "published" : { "$t": "<TMPL_VAR created_at>" },
+    "updated" : { "$t": "<TMPL_VAR modified_at>" },
+    "category" : [ {
+      "scheme" : "http://www.blogger.com/atom/ns#",
+      "term" : "Sendung"
+    } ],
+    "title" : {
+      "type" : "text",
+      "$t" : "<TMPL_VAR weekday_short_name>, <TMPL_VAR start_date_name> - <TMPL_VAR start_time_name> - <TMPL_VAR end_time_name> | <TMPL_VAR full_title>"
+    },
+    "link" : [ {
+      "rel" : "alternate",
+      "type" : "text/html",
+      "href" : "<TMPL_VAR cache_base_url>/<TMPL_VAR .controllers.event>/<TMPL_VAR event_id>.html#<TMPL_VAR event_uri>"
+      },{
+      "rel" : "self",
+      "type" : "application/atom+xml",
+      "href" : "<TMPL_VAR cache_base_url>/<TMPL_VAR .controllers.event>/<TMPL_VAR event_id>.html#<TMPL_VAR event_uri>"
+    } ],
+    "author" : [ {
+      "name" : { "$t" : "<TMPL_VAR project_email>" },
+      "email" : { "$t" : "<TMPL_VAR project_email>" }
+    } ]
+  } ]
+  <TMPL_UNLESS NAME="__last__">,</TMPL_UNLESS>
+</TMPL_LOOP>
+}}