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 // http://javascriptweblog.wordpress.com/2011/08/08/fixing-the-javascript-typeof-operator/
21 Object.toType = (function toType(global) {
22 return function(obj) {
26 return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
30 /* ------------------------------------------------------------ */
32 // Constants that should be somehow moved to a plugin.js file
34 var FILTER_REMOVED = 2;
35 var CLEAR_FILTERS = 3;
37 var FIELD_REMOVED = 5;
40 var CLEAR_RECORDS = 8;
41 var FIELD_STATE_CHANGED = 9;
43 var IN_PROGRESS = 101;
46 /* Update requests related to subqueries */
48 var SET_REMOVED = 202;
51 var FIELD_REQUEST_CHANGE = 301;
52 var FIELD_REQUEST_ADD = 302;
53 var FIELD_REQUEST_REMOVE = 303;
54 var FIELD_REQUEST_ADD_RESET = 304;
55 var FIELD_REQUEST_REMOVE_RESET = 305;
57 var FIELD_REQUEST_PENDING = 401;
58 var FIELD_REQUEST_SUCCESS = 402;
59 var FIELD_REQUEST_FAILURE = 403;
62 var STATUS_NONE = 500; // Query has not been started yet
63 var STATUS_GET_IN_PROGRESS = 501; // Query has been sent, no result has been received
64 var STATUS_GET_RECEIVED = 502; // Success
65 var STATUS_GET_ERROR = 503; // Error
66 var STATUS_UPDATE_PENDING = 504;
67 var STATUS_UPDATE_IN_PROGRESS = 505;
68 var STATUS_UPDATE_RECEIVED = 506;
69 var STATUS_UPDATE_ERROR = 507;
71 /* Requests for query cycle */
77 var TYPE_LIST_OF_VALUES = 3;
78 var TYPE_LIST_OF_RECORDS = 4;
81 // A structure for storing queries
83 function QueryExt(query, parent_query_ext, main_query_ext, update_query_ext, disabled) {
86 if (typeof query == "undefined")
87 throw "Must pass a query in QueryExt constructor";
89 this.parent_query_ext = (typeof parent_query_ext == "undefined") ? null : parent_query_ext;
90 this.main_query_ext = (typeof main_query_ext == "undefined") ? null : main_query_ext;
91 this.update_query_ext = (typeof update_query_ext == "undefined") ? null : update_query_ext;
92 this.update_query_orig_ext = (typeof update_query_orig_ext == "undefined") ? null : update_query_orig_ext;
93 this.disabled = (typeof update_query_ext == "undefined") ? false : disabled;
97 // update_query null unless we are a main_query (aka parent_query == null); only main_query_fields can be updated...
100 function QueryStore() {
102 this.main_queries = {};
103 this.analyzed_queries = {};
107 this.insert = function(query)
109 // We expect only main_queries are inserted
111 /* If the query has not been analyzed, then we analyze it */
112 if (query.analyzed_query == null) {
113 query.analyze_subqueries();
116 /* We prepare the update query corresponding to the main query and store both */
117 /* Note: they have the same UUID */
119 // XXX query.change_action() should become deprecated
120 update_query = query.clone();
121 update_query.action = 'update';
122 update_query.analyzed_query.action = 'update';
123 update_query.params = {};
124 update_query_ext = new QueryExt(update_query);
126 /* We remember the original query to be able to reset it */
127 update_query_orig_ext = new QueryExt(update_query.clone());
130 /* We store the main query */
131 query_ext = new QueryExt(query, null, null, update_query_ext, update_query_orig_ext, false);
132 manifold.query_store.main_queries[query.query_uuid] = query_ext;
133 /* Note: the update query does not have an entry! */
136 // The query is disabled; since it is incomplete until we know the content of the set of subqueries
137 // XXX unless we have no subqueries ???
138 // we will complete with params when records are received... this has to be done by the manager
139 // SET_ADD, SET_REMOVE will change the status of the elements of the set
140 // UPDATE will change also, etc.
141 // XXX We need a proper structure to store this information...
143 // We also need to insert all queries and subqueries from the analyzed_query
144 // XXX We need the root of all subqueries
145 query.iter_subqueries(function(sq, data, parent_query) {
147 parent_query_ext = manifold.query_store.find_analyzed_query_ext(parent_query.query_uuid);
149 parent_query_ext = null;
150 // XXX parent_query_ext == false
151 // XXX main.subqueries = {} # Normal, we need analyzed_query
152 sq_ext = new QueryExt(sq, parent_query_ext, query_ext)
153 manifold.query_store.analyzed_queries[sq.query_uuid] = sq_ext;
156 // XXX We have spurious update queries...
161 this.find_query_ext = function(query_uuid)
163 return this.main_queries[query_uuid];
166 this.find_query = function(query_uuid)
168 return this.find_query_ext(query_uuid).query;
171 this.find_analyzed_query_ext = function(query_uuid)
173 return this.analyzed_queries[query_uuid];
176 this.find_analyzed_query = function(query_uuid)
178 return this.find_analyzed_query_ext(query_uuid).query;
183 * This namespace holds functions for globally managing query objects
188 /**************************************************************************
190 **************************************************************************/
196 spin: function(locator, active /*= true */) {
197 active = typeof active !== 'undefined' ? active : true;
200 $(locator).spin(manifold.spin_presets);
202 $(locator).spin(false);
204 } catch (err) { messages.debug("Cannot turn spins on/off " + err); }
207 get_type: function(variable)
209 switch(Object.toType(variable)) {
216 if ((variable.length > 0) && (Object.toType(variable[0]) === 'object'))
217 return TYPE_LIST_OF_RECORDS;
219 return TYPE_LIST_OF_VALUES;
223 /**************************************************************************
224 * Metadata management
225 **************************************************************************/
229 get_table: function(method)
231 var table = MANIFOLD_METADATA[method];
232 return (typeof table === 'undefined') ? null : table;
235 get_columns: function(method)
237 var table = this.get_table(method);
242 return (typeof table.column === 'undefined') ? null : table.column;
245 get_key: function(method)
247 var table = this.get_table(method);
251 return (typeof table.key === 'undefined') ? null : table.key;
255 get_column: function(method, name)
257 var columns = this.get_columns(method);
261 $.each(columns, function(i, c) {
268 get_type: function(method, name)
270 var table = this.get_table(method);
274 return (typeof table.type === 'undefined') ? null : table.type;
279 /**************************************************************************
281 **************************************************************************/
283 query_store: new QueryStore(),
285 // XXX Remaining functions are deprecated since they are replaced by the query store
288 * Associative array storing the set of queries active on the page
294 * Insert a query in the global hash table associating uuids to queries.
295 * If the query has no been analyzed yet, let's do it.
296 * \fn insert_query(query)
298 * \param ManifoldQuery query Query to be added
300 insert_query : function (query) {
302 manifold.query_store.insert(query);
305 if (query.analyzed_query == null) {
306 query.analyze_subqueries();
308 manifold.all_queries[query.query_uuid]=query;
312 * Returns the query associated to a UUID
313 * \fn find_query(query_uuid)
315 * \param string query_uuid The UUID of the query to be returned
317 find_query : function (query_uuid) {
318 return manifold.all_queries[query_uuid];
321 /**************************************************************************
323 **************************************************************************/
325 // trigger a query asynchroneously
326 proxy_url : '/manifold/proxy/json/',
328 asynchroneous_debug : true,
331 * \brief We use js function closure to be able to pass the query (array)
332 * to the callback function used when data is received
334 success_closure: function(query, publish_uuid, callback /*domid*/)
336 return function(data, textStatus) {
337 manifold.asynchroneous_success(data, query, publish_uuid, callback /*domid*/);
341 run_query: function(query, callback)
343 // default value for callback = null
344 if (typeof callback === 'undefined')
347 var query_json = JSON.stringify(query);
349 /* Nothing related to pubsub here... for the moment at least. */
350 //query.iter_subqueries(function (sq) {
351 // manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
354 $.post(manifold.proxy_url, {'json': query_json} , manifold.success_closure(query, null, callback /*domid*/));
357 // Executes all async. queries
358 // input queries are specified as a list of {'query_uuid': <query_uuid>, 'id': <possibly null>}
359 asynchroneous_exec : function (query_publish_dom_tuples) {
362 // in case the spin stuff was not loaded, let's make sure we proceed to the exit
364 // if (manifold.asynchroneous_debug)
365 // messages.debug("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
366 // jQuery('.need-spin').spin(manifold.spin_presets);
367 //} catch (err) { messages.debug("Cannot turn on spins " + err); }
369 // Loop through input array, and use publish_uuid to publish back results
370 jQuery.each(query_publish_dom_tuples, function(index, tuple) {
371 var query=manifold.find_query(tuple.query_uuid);
372 var query_json=JSON.stringify (query);
373 var publish_uuid=tuple.publish_uuid;
374 // by default we publish using the same uuid of course
375 if (publish_uuid==undefined) publish_uuid=query.query_uuid;
376 if (manifold.asynchroneous_debug) {
377 messages.debug("sending POST on " + manifold.proxy_url + " to be published on " + publish_uuid);
378 messages.debug("... ctd... with actual query= " + query.__repr());
381 query.iter_subqueries(function (sq) {
382 manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
385 // not quite sure what happens if we send a string directly, as POST data is named..
386 // this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
387 jQuery.post(manifold.proxy_url, {'json':query_json} , manifold.success_closure(query, publish_uuid, tuple.callback /*domid*/));
392 * \brief Forward a query to the manifold backend
393 * \param query (dict) the query to be executed asynchronously
394 * \param callback (function) the function to be called when the query terminates
396 * \param domid (string) the domid to be notified about the results (null for using the pub/sub system
398 forward: function(query, callback /*domid*/) {
399 var query_json = JSON.stringify(query);
400 $.post(manifold.proxy_url, {'json': query_json} , manifold.success_closure(query, query.query_uuid, callback/*domid*/));
404 * Returns whether a query expects a unique results.
405 * This is the case when the filters contain a key of the object
406 * \fn query_expects_unique_result(query)
408 * \param ManifoldQuery query Query for which we are testing whether it expects a unique result
410 query_expects_unique_result: function(query) {
411 /* XXX we need functions to query metadata */
412 //var keys = MANIFOLD_METADATA[query.object]['keys']; /* array of array of field names */
413 /* TODO requires keys in metadata */
419 * \fn publish_result(query, results)
421 * \param ManifoldQuery query Query which has received results
422 * \param array results results corresponding to query
424 publish_result: function(query, result) {
425 if (typeof result === 'undefined')
429 manifold.raise_record_event(query.query_uuid, CLEAR_RECORDS);
430 $.each(result, function(i, record) {
431 manifold.raise_record_event(query.query_uuid, NEW_RECORD, record);
433 manifold.raise_record_event(query.query_uuid, DONE);
435 // OLD PLUGIN API BELOW
436 /* Publish an update announce */
437 var channel="/results/" + query.query_uuid + "/changed";
438 if (manifold.asynchroneous_debug)
439 messages.debug("publishing result on " + channel);
440 jQuery.publish(channel, [result, query]);
444 * Recursively publish result
445 * \fn publish_result_rec(query, result)
447 * \param ManifoldQuery query Query which has received result
448 * \param array result result corresponding to query
450 publish_result_rec: function(query, result) {
451 /* If the result is not unique, only publish the top query;
452 * otherwise, publish the main object as well as subqueries
453 * XXX how much recursive are we ?
455 if (manifold.query_expects_unique_result(query)) {
456 /* Also publish subqueries */
457 jQuery.each(query.subqueries, function(object, subquery) {
458 manifold.publish_result_rec(subquery, result[0][object]);
459 /* TODO remove object from result */
462 manifold.publish_result(query, result);
465 setup_update_query: function(query, records)
467 // We don't prepare an update query if the result has more than 1 entry
468 if (records.length != 1)
470 var query_ext = manifold.query_store.find_query_ext(query.query_uuid);
472 var record = records[0];
474 var update_query_ext = query_ext.update_query_ext;
475 var update_query = update_query_ext.query;
476 var update_query_ext = query_ext.update_query_ext;
477 var update_query_orig = query_ext.update_query_orig_ext.query;
479 // Testing whether the result has subqueries (one level deep only)
480 // iif the query has subqueries
482 var obj = query.analyzed_query.subqueries;
483 for (method in obj) {
484 if (obj.hasOwnProperty(method)) {
485 var key = manifold.metadata.get_key(method);
492 var subrecords = record[method];
495 $.each(subrecords, function (i, subrecord) {
496 sq_keys.push(subrecord[key]);
498 update_query.params[method] = sq_keys;
499 update_query_orig.params[method] = sq_keys.slice();
505 update_query_ext.disabled = false;
506 update_query_orig_ext.disabled = false;
510 process_get_query_records: function(query, records)
512 this.setup_update_query(query, records);
514 /* Publish full results */
515 tmp_query = manifold.find_query(query.query_uuid);
516 manifold.publish_result_rec(tmp_query.analyzed_query, records);
521 * What we need to do when receiving results from an update query:
522 * - differences between what we had, what we requested, and what we obtained
523 * . what we had : update_query_orig (simple fields and set fields managed differently)
524 * . what we requested : update_query
525 * . what we received : records
526 * - raise appropriate events
528 * The normal process is that results similar to Get will be pushed in the
529 * pubsub mechanism, thus repopulating everything while we only need
530 * diff's. This means we need to move the publish functionalities in the
531 * previous 'process_get_query_records' function.
533 process_update_query_records: function(query, records)
535 // First issue: we request everything, and not only what we modify, so will will have to ignore some fields
536 var query_uuid = query.query_uuid;
537 var query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
538 var update_query = query_ext.main_query_ext.update_query_ext.query;
539 var update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
541 // Since we update objects one at a time, we can get the first record
542 var record = records[0];
544 // Let's iterate over the object properties
545 for (var field in record) {
546 switch (this.get_type(record[field])) {
548 // Did we ask for a change ?
549 var update_value = update_query[field];
551 // Not requested, if it has changed: OUT OF SYNC
553 // We assume it won't have changed
556 var result_value = record[field];
558 throw "Internal error";
561 request: FIELD_REQUEST_CHANGE,
563 value : update_value,
564 status: (update_value == result_value) ? FIELD_REQUEST_SUCCESS : FIELD_REQUEST_FAILURE,
566 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
570 throw "Not implemented";
573 case TYPE_LIST_OF_VALUES:
574 // Same as list of records, but we don't have to extract keys
575 var result_keys = record[field]
577 // The rest of exactly the same (XXX factorize)
578 var update_keys = update_query_orig.params[field];
579 var query_keys = update_query.params[field];
580 var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
581 var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
584 $.each(added_keys, function(i, key) {
585 if ($.inArray(key, result_keys) == -1) {
587 request: FIELD_REQUEST_ADD,
590 status: FIELD_REQUEST_FAILURE,
594 request: FIELD_REQUEST_ADD,
597 status: FIELD_REQUEST_SUCCESS,
600 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
602 $.each(removed_keys, function(i, key) {
603 if ($.inArray(key, result_keys) == -1) {
605 request: FIELD_REQUEST_REMOVE,
608 status: FIELD_REQUEST_SUCCESS,
612 request: FIELD_REQUEST_REMOVE,
615 status: FIELD_REQUEST_FAILURE,
618 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
623 case TYPE_LIST_OF_RECORDS:
624 // example: slice.resource
625 // - update_query_orig.params.resource = resources in slice before update
626 // - update_query.params.resource = resource requested in slice
627 // - keys from field = resources obtained
628 var key = manifold.metadata.get_key(field);
631 if (key.length > 1) {
632 throw "Not implemented";
637 /* XXX should be modified for multiple keys */
638 var result_keys = $.map(record[field], function(x) { return x[key]; });
640 var update_keys = update_query_orig.params[field];
641 var query_keys = update_query.params[field];
642 var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
643 var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
646 $.each(added_keys, function(i, key) {
647 if ($.inArray(key, result_keys) == -1) {
649 request: FIELD_REQUEST_ADD,
652 status: FIELD_REQUEST_FAILURE,
656 request: FIELD_REQUEST_ADD,
659 status: FIELD_REQUEST_SUCCESS,
662 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
664 $.each(removed_keys, function(i, key) {
665 if ($.inArray(key, result_keys) == -1) {
667 request: FIELD_REQUEST_REMOVE,
670 status: FIELD_REQUEST_SUCCESS,
674 request: FIELD_REQUEST_REMOVE,
677 status: FIELD_REQUEST_FAILURE,
680 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
688 // XXX Now we need to adapt 'update' and 'update_orig' queries as if we had done a get
689 this.setup_update_query(query, records);
692 process_query_records: function(query, records)
694 if (query.action == 'get') {
695 this.process_get_query_records(query, records);
696 } else if (query.action == 'update') {
697 this.process_update_query_records(query, records);
701 // if set domid allows the result to be directed to just one plugin
702 // most of the time publish_uuid will be query.query_uuid
703 // however in some cases we wish to publish the result under a different uuid
704 // e.g. an updater wants to publish its result as if from the original (get) query
705 asynchroneous_success : function (data, query, publish_uuid, callback /*domid*/) {
706 // xxx should have a nicer declaration of that enum in sync with the python code somehow
708 /* If a callback has been specified, we redirect results to it */
709 if (!!callback) { callback(data); return; }
711 if (data.code == 2) { // ERROR
712 // We need to make sense of error codes here
713 alert("Your session has expired, please log in again");
714 window.location="/logout/";
717 if (data.code == 1) { // WARNING
718 messages.error("Some errors have been received from the manifold backend at " + MANIFOLD_URL + " [" + data.description + "]");
719 // publish error code and text message on a separate channel for whoever is interested
721 $.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
723 $("#notifications").notify("create", "sticky", {
725 text: data.description
732 // once everything is checked we can use the 'value' part of the manifoldresult
733 var result=data.value;
735 /* Eventually update the content of related queries (update, etc) */
736 this.process_query_records(query, result);
738 /* Publish results: disabled here, done in the previous call */
739 //tmp_query = manifold.find_query(query.query_uuid);
740 //manifold.publish_result_rec(tmp_query.analyzed_query, result);
744 /**************************************************************************
746 **************************************************************************/
748 raise_event_handler: function(type, query_uuid, event_type, value)
750 if ((type != 'query') && (type != 'record'))
751 throw 'Incorrect type for manifold.raise_event()';
753 var channels = [ manifold.get_channel(type, query_uuid), manifold.get_channel(type, '*') ];
755 $.each(channels, function(i, channel) {
756 if (value === undefined)
757 $('.plugin').trigger(channel, [event_type]);
759 $('.plugin').trigger(channel, [event_type, value]);
763 raise_query_event: function(query_uuid, event_type, value)
765 manifold.raise_event_handler('query', query_uuid, event_type, value);
768 raise_record_event: function(query_uuid, event_type, value)
770 manifold.raise_event_handler('record', query_uuid, event_type, value);
774 raise_event: function(query_uuid, event_type, value)
776 // Query uuid has been updated with the key of a new element
777 query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
778 query = query_ext.query;
781 case FIELD_STATE_CHANGED:
782 // value is an object (request, key, value, status)
783 // update is only possible is the query is not pending, etc
784 // SET_ADD is on a subquery, FIELD_STATE_CHANGED on the query itself
785 // we should map SET_ADD on this...
787 // 1. Update internal query store about the change in status
789 // 2. Update the update query
790 update_query = query_ext.main_query_ext.update_query_ext.query;
791 update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
793 switch(value.request) {
794 case FIELD_REQUEST_CHANGE:
795 update_query.params[value.key] = value.value;
797 case FIELD_REQUEST_ADD:
798 if ($.inArray(value.value, update_query_orig.params[value.key]) != -1)
799 value.request = FIELD_REQUEST_ADD_RESET;
800 update_query.params[value.key].push(value.value);
802 case FIELD_REQUEST_REMOVE:
803 if ($.inArray(value.value, update_query_orig.params[value.key]) == -1)
804 value.request = FIELD_REQUEST_REMOVE_RESET;
806 var arr = update_query.params[value.key];
807 arr = $.grep(arr, function(x) { return x != value.value; });
808 update_query.params[value.key] = arr;
811 case FIELD_REQUEST_ADD_RESET:
812 case FIELD_REQUEST_REMOVE_RESET:
813 // XXX We would need to keep track of the original query
814 throw "Not implemented";
818 // 3. Inform others about the change
819 // a) the main query...
820 manifold.raise_record_event(query_uuid, event_type, value);
822 // b) subqueries eventually (dot in the key)
824 var path_array = value.key.split('.');
825 var value_key = value.key.split('.');
827 var cur_query = query;
828 if (cur_query.analyzed_query)
829 cur_query = cur_query.analyzed_query;
830 $.each(path_array, function(i, method) {
831 cur_query = cur_query.subqueries[method];
832 value_key.shift(); // XXX check that method is indeed shifted
834 value.key = value_key;
836 manifold.raise_record_event(cur_query.query_uuid, event_type, value);
838 // XXX make this DOT a global variable... could be '/'
844 // update is only possible is the query is not pending, etc
847 // XXX we can only update subqueries of the main query. Check !
848 // assert query_ext.parent_query == query_ext.main_query
849 // old // update_query = query_ext.main_query_ext.update_query_ext.query;
851 // This SET_ADD is called on a subquery, so we have to
852 // recontruct the path of the key in the main_query
853 // We then call FIELD_STATE_CHANGED which is the equivalent for the main query
857 while (sq.parent_query_ext) {
860 path = sq.query.object + path;
861 sq = sq.parent_query_ext;
864 main_query = query_ext.main_query_ext.query;
866 request: (event_type == SET_ADD) ? FIELD_REQUEST_ADD : FIELD_REQUEST_REMOVE,
869 status: FIELD_REQUEST_PENDING,
871 this.raise_event(main_query.query_uuid, FIELD_STATE_CHANGED, data);
873 // old //update_query.params[path].push(value);
874 // old // console.log('Updated query params', update_query);
875 // NOTE: update might modify the fields in Get
876 // NOTE : we have to modify all child queries
877 // NOTE : parts of a query might not be started (eg slice.measurements, how to handle ?)
879 // if everything is done right, update_query should not be null. It is updated when we received results from the get query
880 // object = the same as get
881 // filter = key : update a single object for now
882 // fields = the same as get
883 manifold.raise_query_event(query_uuid, event_type, value);
888 manifold.run_query(query_ext.main_query_ext.update_query_ext.query);
892 manifold.raise_query_event(query_uuid, event_type, value);
895 manifold.raise_query_event(query_uuid, event_type, value);
898 main_query = query_ext.main_query_ext.query;
899 main_update_query = query_ext.main_query_ext.update_query;
902 // Here we need the full path through all subqueries
904 // XXX We might need the query name in the QueryExt structure
905 main_query.select(value);
907 // XXX When is an update query associated ?
908 // XXX main_update_query.select(value);
910 manifold.raise_query_event(query_uuid, event_type, value);
914 query = query_ext.query;
915 main_query = query_ext.main_query_ext.query;
916 main_update_query = query_ext.main_query_ext.update_query;
917 query.unselect(value);
918 main_query.unselect(value);
920 // We need to inform about changes in these queries to the respective plugins
921 // Note: query & main_query have the same UUID
922 manifold.raise_query_event(query_uuid, event_type, value);
925 // We need to inform about changes in these queries to the respective plugins
926 // Note: query, main_query & update_query have the same UUID
927 manifold.raise_query_event(query_uuid, event_type, value);
928 // We are targeting the same object with get and update
929 // The notion of query is bad, we should have a notion of destination, and issue queries on the destination
930 // NOTE: Editing a subquery == editing a local view on the destination
932 // XXX We might need to run the new query again and manage the plugins in the meantime with spinners...
933 // For the time being, we will collect all columns during the first query
936 /* Publish/subscribe channels for internal use */
937 get_channel: function(type, query_uuid)
939 if ((type !== 'query') && (type != 'record'))
941 return '/' + type + '/' + query_uuid;
944 }; // manifold object
945 /* ------------------------------------------------------------ */
949 // OLD PLUGIN API: extend jQuery/$ with pubsub capabilities
950 // https://gist.github.com/661855
952 $.subscribe = function( channel, selector, data, fn) {
953 /* borrowed from jQuery */
954 if ( data == null && fn == null ) {
957 data = selector = undefined;
958 } else if ( fn == null ) {
959 if ( typeof selector === "string" ) {
960 // ( channel, selector, fn )
964 // ( channel, data, fn )
967 selector = undefined;
972 /* We use an indirection function that will clone the object passed in
973 * parameter to the subscribe callback
975 * FIXME currently we only clone query objects which are the only ones
976 * supported and editable, we might have the same issue with results but
977 * the page load time will be severely affected...
979 o.on.apply(o, [channel, selector, data, function() {
980 for(i = 1; i < arguments.length; i++) {
981 if ( arguments[i].constructor.name == 'ManifoldQuery' )
982 arguments[i] = arguments[i].clone();
984 fn.apply(o, arguments);
988 $.unsubscribe = function() {
989 o.off.apply(o, arguments);
992 $.publish = function() {
993 o.trigger.apply(o, arguments);
998 /* ------------------------------------------------------------ */
1000 //http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request
1001 //make sure to expose csrf in our outcoming ajax/post requests
1003 beforeSend: function(xhr, settings) {
1004 function getCookie(name) {
1005 var cookieValue = null;
1006 if (document.cookie && document.cookie != '') {
1007 var cookies = document.cookie.split(';');
1008 for (var i = 0; i < cookies.length; i++) {
1009 var cookie = jQuery.trim(cookies[i]);
1010 // Does this cookie string begin with the name we want?
1011 if (cookie.substring(0, name.length + 1) == (name + '=')) {
1012 cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
1019 if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
1020 // Only send the token to relative URLs i.e. locally.
1021 xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));