2 function debug_dict_keys (msg, o) {
4 for (var k in o) keys.push(k);
5 console.log ("debug_dict_keys: " + msg + " keys= " + keys);
7 function debug_dict (msg, o) {
8 for (var k in o) console.log ("debug_dict: " + msg + " [" + k + "]=" + o[k]);
10 function debug_value (msg, value) {
11 console.log ("debug_value: " + msg + " " + value);
13 function debug_query (msg, query) {
14 if (query === undefined) console.log ("debug_query: " + msg + " -> undefined");
15 else if (query == null) console.log ("debug_query: " + msg + " -> null");
16 else if ('query_uuid' in query) console.log ("debug_query: " + msg + query.__repr());
17 else console.log ("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 console.log("manifold.debug " + msg + " " + query_uuid + " -> " + manifold.all_queries[query_uuid]);
38 // trigger a query asynchroneously
39 proxy_url : '/manifold/proxy/json/',
41 asynchroneous_debug : false,
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_uuid_domids) {
48 if (manifold.asynchroneous_debug) console.log("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
49 jQuery('.need-spin').spin(spin_presets);
51 // We use js function closure to be able to pass the query (array) to the
52 // callback function used when data is received
53 var success_closure = function(query, id) {
54 return function(data, textStatus) {manifold.asynchroneous_success(data, query, id);}};
56 // Loop through query array and use ajax to send back query_uuid_domids (to frontend) with json
57 jQuery.each(query_uuid_domids, function(index, tuple) {
58 var query=manifold.find_query(tuple.query_uuid);
59 var query_json=JSON.stringify (query);
60 if (manifold.asynchroneous_debug) {
61 console.log ("sending POST on " + manifold.proxy_url + " with query= " + query.__repr());
63 // not quite sure what happens if we send a string directly, as POST data is named..
64 // this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
65 jQuery.post(manifold.proxy_url, {'json':query_json} , success_closure(query, tuple.id));
69 asynchroneous_success : function (data, query, id) {
70 if (manifold.asynchroneous_debug) console.log ("received manifold result with code " + data.code);
71 // xxx should have a nicer declaration of that enum in sync with the python code somehow
73 alert("Your session has expired, please log in again");
74 window.location="/logout/";
76 } elif (data.code != 0) {
77 alert("Error received from manifold backend at " + MANIFOLD_URL + " [" + data.output + "]");
83 /* Directly inform the requestor */
84 jQuery('#' + id).trigger('results', [data]);
86 /* Publish an update announce */
87 jQuery.publish("/results/" + query.query_uuid + "/changed", [data, query]);
94 /* ------------------------------------------------------------ */
96 // extend jQuery/$ with pubsub capabilities
97 /* https://gist.github.com/661855 */
102 $.subscribe = function( types, selector, data, fn) {
103 /* borrowed from jQuery */
104 if ( data == null && fn == null ) {
107 data = selector = undefined;
108 } else if ( fn == null ) {
109 if ( typeof selector === "string" ) {
110 // ( types, selector, fn )
114 // ( types, data, fn )
117 selector = undefined;
122 /* We use an indirection function that will clone the object passed in
123 * parameter to the subscribe callback
125 * FIXME currently we only clone query objects which are the only ones
126 * supported and editable, we might have the same issue with results but
127 * the page load time will be severely affected...
129 o.on.apply(o, [types, selector, data, function() {
130 for(i = 1; i < arguments.length; i++) {
131 if ( arguments[i].constructor.name == 'Query' )
132 arguments[i] = arguments[i].clone();
134 fn.apply(o, arguments);
138 $.unsubscribe = function() {
139 o.off.apply(o, arguments);
142 $.publish = function() {
143 o.trigger.apply(o, arguments);
148 /* ------------------------------------------------------------ */
150 //http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request
151 //make sure to expose csrf in our outcoming ajax/post requests
153 beforeSend: function(xhr, settings) {
154 function getCookie(name) {
155 var cookieValue = null;
156 if (document.cookie && document.cookie != '') {
157 var cookies = document.cookie.split(';');
158 for (var i = 0; i < cookies.length; i++) {
159 var cookie = jQuery.trim(cookies[i]);
160 // Does this cookie string begin with the name we want?
161 if (cookie.substring(0, name.length + 1) == (name + '=')) {
162 cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
169 if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
170 // Only send the token to relative URLs i.e. locally.
171 xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));