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];
33 // trigger a query asynchroneously
34 proxy_url : '/manifold/proxy/json/',
36 asynchroneous_debug : true,
38 // Executes all async. queries
39 // input queries are specified as a list of {'query_uuid': <query_uuid>, 'id': <possibly null>}
40 asynchroneous_exec : function (query_publish_dom_tuples) {
43 // in case the spin stuff was not loaded, let's make sure we proceed to the exit
45 if (manifold.asynchroneous_debug)
46 messages.debug("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
47 jQuery('.need-spin').spin(spin_presets);
48 } catch (err) { messages.debug("Cannot turn on spins " + err); }
50 // We use js function closure to be able to pass the query (array) to the
51 // callback function used when data is received
52 var success_closure = function(query, publish_uuid, domid) {
53 return function(data, textStatus) {manifold.asynchroneous_success(data, query, publish_uuid, domid);}};
55 // Loop through input array, and use publish_uuid to publish back results
56 jQuery.each(query_publish_dom_tuples, function(index, tuple) {
57 var query=manifold.find_query(tuple.query_uuid);
58 var query_json=JSON.stringify (query);
59 var publish_uuid=tuple.publish_uuid;
60 // by default we publish using the same uuid of course
61 if (publish_uuid==undefined) publish_uuid=query.query_uuid;
62 if (manifold.asynchroneous_debug) {
63 messages.debug("sending POST on " + manifold.proxy_url + " to be published on " + publish_uuid);
64 messages.debug("... ctd... with actual query= " + query.__repr());
66 // not quite sure what happens if we send a string directly, as POST data is named..
67 // this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
68 jQuery.post(manifold.proxy_url, {'json':query_json} , success_closure(query, publish_uuid, tuple.domid));
72 // if set domid allows the result to be directed to just one plugin
73 // most of the time publish_uuid will be query.query_uuid
74 // however in some cases we wish to publish the results under a different uuid
75 // e.g. an updater wants to publish its results as if from the original (get) query
76 asynchroneous_success : function (data, query, publish_uuid, domid) {
77 // xxx should have a nicer declaration of that enum in sync with the python code somehow
79 alert("Your session has expired, please log in again");
80 window.location="/logout/";
82 } else if (data.code != 0) {
83 messages.error("Error received from manifold backend at " + MANIFOLD_URL + " [" + data.output + "]");
84 // publish error code and text message on a separate channel for whoever is interested
85 jQuery.publish("/results/" + publish_uuid + "/failed", [data.code, data.output] );
88 // once everything is checked we can use the 'value' part of the manifoldresult
92 /* Directly inform the requestor */
93 if (manifold.asynchroneous_debug) messages.debug("directing results to " + domid);
94 jQuery('#' + domid).trigger('results', [value]);
96 /* Publish an update announce */
97 var channel="/results/" + publish_uuid + "/changed";
98 if (manifold.asynchroneous_debug) messages.debug("publishing results on " + channel);
99 jQuery.publish(channel, [value, query]);
105 }; // manifold object
106 /* ------------------------------------------------------------ */
108 // extend jQuery/$ with pubsub capabilities
109 /* https://gist.github.com/661855 */
114 $.subscribe = function( types, selector, data, fn) {
115 /* borrowed from jQuery */
116 if ( data == null && fn == null ) {
119 data = selector = undefined;
120 } else if ( fn == null ) {
121 if ( typeof selector === "string" ) {
122 // ( types, selector, fn )
126 // ( types, data, fn )
129 selector = undefined;
134 /* We use an indirection function that will clone the object passed in
135 * parameter to the subscribe callback
137 * FIXME currently we only clone query objects which are the only ones
138 * supported and editable, we might have the same issue with results but
139 * the page load time will be severely affected...
141 o.on.apply(o, [types, selector, data, function() {
142 for(i = 1; i < arguments.length; i++) {
143 if ( arguments[i].constructor.name == 'ManifoldQuery' )
144 arguments[i] = arguments[i].clone();
146 fn.apply(o, arguments);
150 $.unsubscribe = function() {
151 o.off.apply(o, arguments);
154 $.publish = function() {
155 o.trigger.apply(o, arguments);
160 /* ------------------------------------------------------------ */
162 //http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request
163 //make sure to expose csrf in our outcoming ajax/post requests
165 beforeSend: function(xhr, settings) {
166 function getCookie(name) {
167 var cookieValue = null;
168 if (document.cookie && document.cookie != '') {
169 var cookies = document.cookie.split(';');
170 for (var i = 0; i < cookies.length; i++) {
171 var cookie = jQuery.trim(cookies[i]);
172 // Does this cookie string begin with the name we want?
173 if (cookie.substring(0, name.length + 1) == (name + '=')) {
174 cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
181 if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
182 // Only send the token to relative URLs i.e. locally.
183 xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));