2 function debug_dict_keys (msg, o) {
4 for (var k in o) keys.push(k);
5 messages.debug ("debug_dict_keys: " + msg + " keys= " + keys);
7 function debug_dict (msg, o) {
8 for (var k in o) messages.debug ("debug_dict: " + msg + " [" + k + "]=" + o[k]);
10 function debug_value (msg, value) {
11 messages.debug ("debug_value: " + msg + " " + value);
13 function debug_query (msg, query) {
14 if (query === undefined) messages.debug ("debug_query: " + msg + " -> undefined");
15 else if (query == null) messages.debug ("debug_query: " + msg + " -> null");
16 else if ('query_uuid' in query) messages.debug ("debug_query: " + msg + query.__repr());
17 else messages.debug ("debug_query: " + msg + " query= " + query);
20 /* ------------------------------------------------------------ */
21 // this namespace holds functions for globally managing query objects
26 insert_query : function (query) {
27 manifold.all_queries[query.query_uuid]=query;
29 find_query : function (query_uuid) {
30 return manifold.all_queries[query_uuid];
32 debug_all_queries : function (msg) {
33 for (var query_uuid in manifold.all_queries) {
34 messages.debug("manifold.debug " + msg + " " + query_uuid + " -> " + manifold.all_queries[query_uuid]);
38 // trigger a query asynchroneously
39 proxy_url : '/manifold/proxy/json/',
41 asynchroneous_debug : true,
43 // Executes all async. queries
44 // input queries are specified as a list of {'query_uuid': <query_uuid>, 'id': <possibly null>}
45 asynchroneous_exec : function (query_publish_dom_tuples) {
48 // in case the spin stuff was not loaded, let's make sure we proceed to the exit
50 if (manifold.asynchroneous_debug)
51 messages.debug("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
52 jQuery('.need-spin').spin(spin_presets);
53 } catch (err) { messages.debug("Cannot turn on spins " + err); }
55 // We use js function closure to be able to pass the query (array) to the
56 // callback function used when data is received
57 var success_closure = function(query, publish_uuid, domid) {
58 return function(data, textStatus) {manifold.asynchroneous_success(data, query, publish_uuid, domid);}};
60 // Loop through input array, and use publish_uuid to publish back results
61 jQuery.each(query_publish_dom_tuples, function(index, tuple) {
62 var query=manifold.find_query(tuple.query_uuid);
63 var query_json=JSON.stringify (query);
64 var publish_uuid=tuple.publish_uuid;
65 // by default we publish using the same uuid of course
66 if (publish_uuid==undefined) publish_uuid=query.query_uuid;
67 if (manifold.asynchroneous_debug) {
68 messages.debug("sending POST on " + manifold.proxy_url + " to be published on " + publish_uuid);
69 messages.debug("... ctd... with actual query= " + query.__repr());
71 // not quite sure what happens if we send a string directly, as POST data is named..
72 // this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
73 jQuery.post(manifold.proxy_url, {'json':query_json} , success_closure(query, publish_uuid, tuple.domid));
77 // if set domid allows the result to be directed to just one plugin
78 // most of the time publish_uuid will be query.query_uuid
79 // however in some cases we wish to publish the results under a different uuid
80 // e.g. an updater wants to publish its results as if from the original (get) query
81 asynchroneous_success : function (data, query, publish_uuid, domid) {
82 if (manifold.asynchroneous_debug) messages.debug("received manifold result with code " + data.code);
83 // xxx should have a nicer declaration of that enum in sync with the python code somehow
85 alert("Your session has expired, please log in again");
86 window.location="/logout/";
88 } else if (data.code != 0) {
89 alert("Error received from manifold backend at " + MANIFOLD_URL + " [" + data.output + "]");
92 // once everything is checked we can use the 'value' part of the manifoldresult
96 /* Directly inform the requestor */
97 if (manifold.asynchroneous_debug) messages.debug("directing results to " + domid);
98 jQuery('#' + domid).trigger('results', [data]);
100 /* Publish an update announce */
101 if (manifold.asynchroneous_debug) messages.debug("publishing results on " + publish_uuid);
102 jQuery.publish("/results/" + publish_uuid + "/changed", [data, query]);
108 }; // manifold object
109 /* ------------------------------------------------------------ */
111 // extend jQuery/$ with pubsub capabilities
112 /* https://gist.github.com/661855 */
117 $.subscribe = function( types, selector, data, fn) {
118 /* borrowed from jQuery */
119 if ( data == null && fn == null ) {
122 data = selector = undefined;
123 } else if ( fn == null ) {
124 if ( typeof selector === "string" ) {
125 // ( types, selector, fn )
129 // ( types, data, fn )
132 selector = undefined;
137 /* We use an indirection function that will clone the object passed in
138 * parameter to the subscribe callback
140 * FIXME currently we only clone query objects which are the only ones
141 * supported and editable, we might have the same issue with results but
142 * the page load time will be severely affected...
144 o.on.apply(o, [types, selector, data, function() {
145 for(i = 1; i < arguments.length; i++) {
146 if ( arguments[i].constructor.name == 'Query' )
147 arguments[i] = arguments[i].clone();
149 fn.apply(o, arguments);
153 $.unsubscribe = function() {
154 o.off.apply(o, arguments);
157 $.publish = function() {
158 o.trigger.apply(o, arguments);
163 /* ------------------------------------------------------------ */
165 //http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request
166 //make sure to expose csrf in our outcoming ajax/post requests
168 beforeSend: function(xhr, settings) {
169 function getCookie(name) {
170 var cookieValue = null;
171 if (document.cookie && document.cookie != '') {
172 var cookies = document.cookie.split(';');
173 for (var i = 0; i < cookies.length; i++) {
174 var cookie = jQuery.trim(cookies[i]);
175 // Does this cookie string begin with the name we want?
176 if (cookie.substring(0, name.length + 1) == (name + '=')) {
177 cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
184 if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
185 // Only send the token to relative URLs i.e. locally.
186 xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));