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) {
108 // We expect only main_queries are inserted
110 /* If the query has not been analyzed, then we analyze it */
111 if (query.analyzed_query == null) {
112 query.analyze_subqueries();
115 /* We prepare the update query corresponding to the main query and store both */
116 /* Note: they have the same UUID */
118 // XXX query.change_action() should become deprecated
119 update_query = query.clone();
120 update_query.action = 'update';
121 update_query.analyzed_query.action = 'update';
122 update_query.params = {};
123 update_query_ext = new QueryExt(update_query);
125 /* We remember the original query to be able to reset it */
126 update_query_orig_ext = new QueryExt(update_query.clone());
129 /* We store the main query */
130 query_ext = new QueryExt(query, null, null, update_query_ext, update_query_orig_ext, false);
131 manifold.query_store.main_queries[query.query_uuid] = query_ext;
132 /* Note: the update query does not have an entry! */
135 // The query is disabled; since it is incomplete until we know the content of the set of subqueries
136 // XXX unless we have no subqueries ???
137 // we will complete with params when records are received... this has to be done by the manager
138 // SET_ADD, SET_REMOVE will change the status of the elements of the set
139 // UPDATE will change also, etc.
140 // XXX We need a proper structure to store this information...
142 // We also need to insert all queries and subqueries from the analyzed_query
143 // XXX We need the root of all subqueries
144 query.iter_subqueries(function(sq, data, parent_query) {
146 parent_query_ext = manifold.query_store.find_analyzed_query_ext(parent_query.query_uuid);
148 parent_query_ext = null;
149 // XXX parent_query_ext == false
150 // XXX main.subqueries = {} # Normal, we need analyzed_query
151 sq_ext = new QueryExt(sq, parent_query_ext, query_ext)
152 manifold.query_store.analyzed_queries[sq.query_uuid] = sq_ext;
155 // XXX We have spurious update queries...
160 this.find_query_ext = function(query_uuid) {
161 return this.main_queries[query_uuid];
164 this.find_query = function(query_uuid) {
165 return this.find_query_ext(query_uuid).query;
168 this.find_analyzed_query_ext = function(query_uuid) {
169 return this.analyzed_queries[query_uuid];
172 this.find_analyzed_query = function(query_uuid) {
173 return this.find_analyzed_query_ext(query_uuid).query;
178 * This namespace holds functions for globally managing query objects
183 /**************************************************************************
185 **************************************************************************/
191 spin: function(locator, active /*= true */) {
192 active = typeof active !== 'undefined' ? active : true;
195 $(locator).spin(manifold.spin_presets);
197 $(locator).spin(false);
199 } catch (err) { messages.debug("Cannot turn spins on/off " + err); }
202 get_type: function(variable) {
203 switch(Object.toType(variable)) {
210 if ((variable.length > 0) && (Object.toType(variable[0]) === 'object'))
211 return TYPE_LIST_OF_RECORDS;
213 return TYPE_LIST_OF_VALUES;
217 /**************************************************************************
218 * Metadata management
219 **************************************************************************/
223 get_table: function(method) {
224 var table = MANIFOLD_METADATA[method];
225 return (typeof table === 'undefined') ? null : table;
228 get_columns: function(method) {
229 var table = this.get_table(method);
234 return (typeof table.column === 'undefined') ? null : table.column;
237 get_key: function(method) {
238 var table = this.get_table(method);
242 return (typeof table.key === 'undefined') ? null : table.key;
246 get_column: function(method, name) {
247 var columns = this.get_columns(method);
251 $.each(columns, function(i, c) {
258 get_type: function(method, name) {
259 var table = this.get_table(method);
263 return (typeof table.type === 'undefined') ? null : table.type;
268 /**************************************************************************
270 **************************************************************************/
272 query_store: new QueryStore(),
274 // XXX Remaining functions are deprecated since they are replaced by the query store
277 * Associative array storing the set of queries active on the page
283 * Insert a query in the global hash table associating uuids to queries.
284 * If the query has no been analyzed yet, let's do it.
285 * \fn insert_query(query)
287 * \param ManifoldQuery query Query to be added
289 insert_query : function (query) {
291 manifold.query_store.insert(query);
294 if (query.analyzed_query == null) {
295 query.analyze_subqueries();
297 manifold.all_queries[query.query_uuid]=query;
301 * Returns the query associated to a UUID
302 * \fn find_query(query_uuid)
304 * \param string query_uuid The UUID of the query to be returned
306 find_query : function (query_uuid) {
307 return manifold.all_queries[query_uuid];
310 /**************************************************************************
312 **************************************************************************/
314 // trigger a query asynchroneously
315 proxy_url : '/manifold/proxy/json/',
317 // reasonably low-noise, shows manifold requests coming in and out
318 asynchroneous_debug : true,
319 // print our more details on result publication and related callbacks
320 publish_result_debug : false,
323 * \brief We use js function closure to be able to pass the query (array)
324 * to the callback function used when data is received
326 success_closure: function(query, publish_uuid, callback) {
327 return function(data, textStatus) {
328 manifold.asynchroneous_success(data, query, publish_uuid, callback);
332 run_query: function(query, callback) {
333 // default value for callback = null
334 if (typeof callback === 'undefined')
337 var query_json = JSON.stringify(query);
339 /* Nothing related to pubsub here... for the moment at least. */
340 //query.iter_subqueries(function (sq) {
341 // manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
344 $.post(manifold.proxy_url, {'json': query_json} , manifold.success_closure(query, null, callback));
347 // Executes all async. queries - intended for the javascript header to initialize queries
348 // input queries are specified as a list of {'query_uuid': <query_uuid> }
349 // each plugin is responsible for managing its spinner through on_query_in_progress
350 asynchroneous_exec : function (query_exec_tuples) {
352 // Loop through input array, and use publish_uuid to publish back results
353 $.each(query_exec_tuples, function(index, tuple) {
354 var query=manifold.find_query(tuple.query_uuid);
355 var query_json=JSON.stringify (query);
356 var publish_uuid=tuple.publish_uuid;
357 // by default we publish using the same uuid of course
358 if (publish_uuid==undefined) publish_uuid=query.query_uuid;
359 if (manifold.asynchroneous_debug) {
360 messages.debug("sending POST on " + manifold.proxy_url + query.__repr());
363 query.iter_subqueries(function (sq) {
364 manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
367 // not quite sure what happens if we send a string directly, as POST data is named..
368 // this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
369 $.post(manifold.proxy_url, {'json':query_json},
370 manifold.success_closure(query, publish_uuid, tuple.callback));
375 * \brief Forward a query to the manifold backend
376 * \param query (dict) the query to be executed asynchronously
377 * \param callback (function) the function to be called when the query terminates
379 forward: function(query, callback) {
380 var query_json = JSON.stringify(query);
381 $.post(manifold.proxy_url, {'json': query_json} ,
382 manifold.success_closure(query, query.query_uuid, callback));
386 * Returns whether a query expects a unique results.
387 * This is the case when the filters contain a key of the object
388 * \fn query_expects_unique_result(query)
390 * \param ManifoldQuery query Query for which we are testing whether it expects a unique result
392 query_expects_unique_result: function(query) {
393 /* XXX we need functions to query metadata */
394 //var keys = MANIFOLD_METADATA[query.object]['keys']; /* array of array of field names */
395 /* TODO requires keys in metadata */
401 * \fn publish_result(query, results)
403 * \param ManifoldQuery query Query which has received results
404 * \param array results results corresponding to query
406 publish_result: function(query, result) {
407 if (typeof result === 'undefined')
411 manifold.raise_record_event(query.query_uuid, CLEAR_RECORDS);
412 if (manifold.publish_result_debug)
413 messages.debug(".. publish_result (1) ");
415 $.each(result, function(i, record) {
416 manifold.raise_record_event(query.query_uuid, NEW_RECORD, record);
419 if (manifold.publish_result_debug)
420 messages.debug(".. publish_result NEW API (2) count=" + count);
421 manifold.raise_record_event(query.query_uuid, DONE);
423 // OLD PLUGIN API BELOW
424 /* Publish an update announce */
425 var channel="/results/" + query.query_uuid + "/changed";
426 if (manifold.publish_result_debug)
427 messages.debug(".. publish_result OLD API (3) " + channel);
429 $.publish(channel, [result, query]);
431 if (manifold.publish_result_debug)
432 messages.debug(".. publish_result - END (4) q=" + query.__repr());
436 * Recursively publish result
437 * \fn publish_result_rec(query, result)
439 * \param ManifoldQuery query Query which has received result
440 * \param array result result corresponding to query
442 * Note: this function works on the analyzed query
444 publish_result_rec: function(query, result) {
445 /* If the result is not unique, only publish the top query;
446 * otherwise, publish the main object as well as subqueries
447 * XXX how much recursive are we ?
449 if (manifold.publish_result_debug)
450 messages.debug (">>>>> publish_result_rec " + query.object);
451 if (manifold.query_expects_unique_result(query)) {
452 /* Also publish subqueries */
453 $.each(query.subqueries, function(object, subquery) {
454 manifold.publish_result_rec(subquery, result[0][object]);
455 /* TODO remove object from result */
458 if (manifold.publish_result_debug)
459 messages.debug ("===== publish_result_rec " + query.object);
461 manifold.publish_result(query, result);
463 if (manifold.publish_result_debug)
464 messages.debug ("<<<<< publish_result_rec " + query.object);
467 setup_update_query: function(query, records) {
468 // We don't prepare an update query if the result has more than 1 entry
469 if (records.length != 1)
471 var query_ext = manifold.query_store.find_query_ext(query.query_uuid);
473 var record = records[0];
475 var update_query_ext = query_ext.update_query_ext;
476 var update_query = update_query_ext.query;
477 var update_query_ext = query_ext.update_query_ext;
478 var update_query_orig = query_ext.update_query_orig_ext.query;
480 // Testing whether the result has subqueries (one level deep only)
481 // iif the query has subqueries
483 var obj = query.analyzed_query.subqueries;
484 for (method in obj) {
485 if (obj.hasOwnProperty(method)) {
486 var key = manifold.metadata.get_key(method);
493 var subrecords = record[method];
496 $.each(subrecords, function (i, subrecord) {
497 sq_keys.push(subrecord[key]);
499 update_query.params[method] = sq_keys;
500 update_query_orig.params[method] = sq_keys.slice();
506 update_query_ext.disabled = false;
507 update_query_orig_ext.disabled = false;
511 process_get_query_records: function(query, records) {
512 this.setup_update_query(query, records);
514 /* Publish full results */
515 var 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) {
534 // First issue: we request everything, and not only what we modify, so will will have to ignore some fields
535 var query_uuid = query.query_uuid;
536 var query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
537 var update_query = query_ext.main_query_ext.update_query_ext.query;
538 var update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
540 // Since we update objects one at a time, we can get the first record
541 var record = records[0];
543 // Let's iterate over the object properties
544 for (var field in record) {
545 switch (this.get_type(record[field])) {
547 // Did we ask for a change ?
548 var update_value = update_query[field];
550 // Not requested, if it has changed: OUT OF SYNC
552 // We assume it won't have changed
555 var result_value = record[field];
557 throw "Internal error";
560 request: FIELD_REQUEST_CHANGE,
562 value : update_value,
563 status: (update_value == result_value) ? FIELD_REQUEST_SUCCESS : FIELD_REQUEST_FAILURE,
565 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
569 throw "Not implemented";
572 case TYPE_LIST_OF_VALUES:
573 // Same as list of records, but we don't have to extract keys
574 var result_keys = record[field]
576 // The rest of exactly the same (XXX factorize)
577 var update_keys = update_query_orig.params[field];
578 var query_keys = update_query.params[field];
579 var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
580 var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
583 $.each(added_keys, function(i, key) {
584 if ($.inArray(key, result_keys) == -1) {
586 request: FIELD_REQUEST_ADD,
589 status: FIELD_REQUEST_FAILURE,
593 request: FIELD_REQUEST_ADD,
596 status: FIELD_REQUEST_SUCCESS,
599 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
601 $.each(removed_keys, function(i, key) {
602 if ($.inArray(key, result_keys) == -1) {
604 request: FIELD_REQUEST_REMOVE,
607 status: FIELD_REQUEST_SUCCESS,
611 request: FIELD_REQUEST_REMOVE,
614 status: FIELD_REQUEST_FAILURE,
617 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
622 case TYPE_LIST_OF_RECORDS:
623 // example: slice.resource
624 // - update_query_orig.params.resource = resources in slice before update
625 // - update_query.params.resource = resource requested in slice
626 // - keys from field = resources obtained
627 var key = manifold.metadata.get_key(field);
630 if (key.length > 1) {
631 throw "Not implemented";
636 /* XXX should be modified for multiple keys */
637 var result_keys = $.map(record[field], function(x) { return x[key]; });
639 var update_keys = update_query_orig.params[field];
640 var query_keys = update_query.params[field];
641 var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
642 var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
645 $.each(added_keys, function(i, key) {
646 if ($.inArray(key, result_keys) == -1) {
648 request: FIELD_REQUEST_ADD,
651 status: FIELD_REQUEST_FAILURE,
655 request: FIELD_REQUEST_ADD,
658 status: FIELD_REQUEST_SUCCESS,
661 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
663 $.each(removed_keys, function(i, key) {
664 if ($.inArray(key, result_keys) == -1) {
666 request: FIELD_REQUEST_REMOVE,
669 status: FIELD_REQUEST_SUCCESS,
673 request: FIELD_REQUEST_REMOVE,
676 status: FIELD_REQUEST_FAILURE,
679 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
687 // XXX Now we need to adapt 'update' and 'update_orig' queries as if we had done a get
688 this.setup_update_query(query, records);
691 process_query_records: function(query, records) {
692 if (query.action == 'get') {
693 this.process_get_query_records(query, records);
694 } else if (query.action == 'update') {
695 this.process_update_query_records(query, records);
699 // if set callback is provided it is called
700 // most of the time publish_uuid will be query.query_uuid
701 // however in some cases we wish to publish the result under a different uuid
702 // e.g. an updater wants to publish its result as if from the original (get) query
703 asynchroneous_success : function (data, query, publish_uuid, callback) {
704 // xxx should have a nicer declaration of that enum in sync with the python code somehow
706 var start = new Date();
707 if (manifold.asynchroneous_debug)
708 messages.debug(">>>>>>>>>> asynchroneous_success query.object=" + query.object);
710 if (data.code == 2) { // ERROR
711 // We need to make sense of error codes here
712 alert("Your session has expired, please log in again");
713 window.location="/logout/";
714 if (manifold.asynchroneous_debug) {
715 duration=new Date()-start;
716 messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- error returned - logging out " + duration + " ms");
720 if (data.code == 1) { // WARNING
721 messages.error("Some errors have been received from the manifold backend at " + MANIFOLD_URL + " [" + data.description + "]");
722 // publish error code and text message on a separate channel for whoever is interested
724 $.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
728 // If a callback has been specified, we redirect results to it
731 if (manifold.asynchroneous_debug) {
732 duration=new Date()-start;
733 messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- callback ended " + duration + " ms");
738 if (manifold.asynchroneous_debug)
739 messages.debug ("========== asynchroneous_success " + query.object + " -- before process_query_records");
741 // once everything is checked we can use the 'value' part of the manifoldresult
742 var result=data.value;
744 /* Eventually update the content of related queries (update, etc) */
745 this.process_query_records(query, result);
747 /* Publish results: disabled here, done in the previous call */
748 //tmp_query = manifold.find_query(query.query_uuid);
749 //manifold.publish_result_rec(tmp_query.analyzed_query, result);
751 if (manifold.asynchroneous_debug) {
752 duration=new Date()-start;
753 messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- done " + duration + " ms");
758 /**************************************************************************
760 **************************************************************************/
762 raise_event_handler: function(type, query_uuid, event_type, value) {
763 if ((type != 'query') && (type != 'record'))
764 throw 'Incorrect type for manifold.raise_event()';
765 // xxx we observe quite a lot of incoming calls with an undefined query_uuid
766 // this should be fixed upstream
767 if (query_uuid === undefined) {
768 messages.warning("undefined query in raise_event_handler");
772 // notify the change to objects that either listen to this channel specifically,
773 // or to the wildcard channel
774 var channels = [ manifold.get_channel(type, query_uuid), manifold.get_channel(type, '*') ];
776 $.each(channels, function(i, channel) {
777 if (value === undefined) {
778 $('.plugin').trigger(channel, [event_type]);
780 $('.plugin').trigger(channel, [event_type, value]);
785 raise_query_event: function(query_uuid, event_type, value) {
786 manifold.raise_event_handler('query', query_uuid, event_type, value);
789 raise_record_event: function(query_uuid, event_type, value) {
790 manifold.raise_event_handler('record', query_uuid, event_type, value);
794 raise_event: function(query_uuid, event_type, value) {
795 // Query uuid has been updated with the key of a new element
796 query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
797 query = query_ext.query;
800 case FIELD_STATE_CHANGED:
801 // value is an object (request, key, value, status)
802 // update is only possible is the query is not pending, etc
803 // SET_ADD is on a subquery, FIELD_STATE_CHANGED on the query itself
804 // we should map SET_ADD on this...
806 // 1. Update internal query store about the change in status
808 // 2. Update the update query
809 update_query = query_ext.main_query_ext.update_query_ext.query;
810 update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
812 switch(value.request) {
813 case FIELD_REQUEST_CHANGE:
814 if (update_query.params[value.key] === undefined)
815 update_query.params[value.key] = Array();
816 update_query.params[value.key] = value.value;
818 case FIELD_REQUEST_ADD:
819 if ($.inArray(value.value, update_query_orig.params[value.key]) != -1)
820 value.request = FIELD_REQUEST_ADD_RESET;
821 if (update_query.params[value.key] === undefined)
822 update_query.params[value.key] = Array();
823 update_query.params[value.key].push(value.value);
825 case FIELD_REQUEST_REMOVE:
826 if ($.inArray(value.value, update_query_orig.params[value.key]) == -1)
827 value.request = FIELD_REQUEST_REMOVE_RESET;
829 var arr = update_query.params[value.key];
830 arr = $.grep(arr, function(x) { return x != value.value; });
831 if (update_query.params[value.key] === undefined)
832 update_query.params[value.key] = Array();
833 update_query.params[value.key] = arr;
836 case FIELD_REQUEST_ADD_RESET:
837 case FIELD_REQUEST_REMOVE_RESET:
838 // XXX We would need to keep track of the original query
839 throw "Not implemented";
843 // 3. Inform others about the change
844 // a) the main query...
845 manifold.raise_record_event(query_uuid, event_type, value);
847 // b) subqueries eventually (dot in the key)
849 var path_array = value.key.split('.');
850 var value_key = value.key.split('.');
852 var cur_query = query;
853 if (cur_query.analyzed_query)
854 cur_query = cur_query.analyzed_query;
855 $.each(path_array, function(i, method) {
856 cur_query = cur_query.subqueries[method];
857 value_key.shift(); // XXX check that method is indeed shifted
859 value.key = value_key;
861 manifold.raise_record_event(cur_query.query_uuid, event_type, value);
863 // XXX make this DOT a global variable... could be '/'
869 // update is only possible is the query is not pending, etc
872 // XXX we can only update subqueries of the main query. Check !
873 // assert query_ext.parent_query == query_ext.main_query
874 // old // update_query = query_ext.main_query_ext.update_query_ext.query;
876 // This SET_ADD is called on a subquery, so we have to
877 // recontruct the path of the key in the main_query
878 // We then call FIELD_STATE_CHANGED which is the equivalent for the main query
882 while (sq.parent_query_ext) {
885 path = sq.query.object + path;
886 sq = sq.parent_query_ext;
889 main_query = query_ext.main_query_ext.query;
891 request: (event_type == SET_ADD) ? FIELD_REQUEST_ADD : FIELD_REQUEST_REMOVE,
894 status: FIELD_REQUEST_PENDING,
896 this.raise_event(main_query.query_uuid, FIELD_STATE_CHANGED, data);
898 // old //update_query.params[path].push(value);
899 // old // console.log('Updated query params', update_query);
900 // NOTE: update might modify the fields in Get
901 // NOTE : we have to modify all child queries
902 // NOTE : parts of a query might not be started (eg slice.measurements, how to handle ?)
904 // if everything is done right, update_query should not be null.
905 // It is updated when we received results from the get query
906 // object = the same as get
907 // filter = key : update a single object for now
908 // fields = the same as get
909 manifold.raise_query_event(query_uuid, event_type, value);
914 manifold.run_query(query_ext.main_query_ext.update_query_ext.query);
918 // Thierry - this is probably wrong but intended as a hotfix
919 // http://trac.myslice.info/ticket/32
920 // manifold.raise_query_event(query_uuid, event_type, value);
923 manifold.raise_query_event(query_uuid, event_type, value);
926 main_query = query_ext.main_query_ext.query;
927 main_update_query = query_ext.main_query_ext.update_query;
930 // Here we need the full path through all subqueries
932 // XXX We might need the query name in the QueryExt structure
933 main_query.select(value);
935 // XXX When is an update query associated ?
936 // XXX main_update_query.select(value);
938 manifold.raise_query_event(query_uuid, event_type, value);
942 query = query_ext.query;
943 main_query = query_ext.main_query_ext.query;
944 main_update_query = query_ext.main_query_ext.update_query;
945 query.unselect(value);
946 main_query.unselect(value);
948 // We need to inform about changes in these queries to the respective plugins
949 // Note: query & main_query have the same UUID
950 manifold.raise_query_event(query_uuid, event_type, value);
953 // We need to inform about changes in these queries to the respective plugins
954 // Note: query, main_query & update_query have the same UUID
955 manifold.raise_query_event(query_uuid, event_type, value);
956 // We are targeting the same object with get and update
957 // The notion of query is bad, we should have a notion of destination, and issue queries on the destination
958 // NOTE: Editing a subquery == editing a local view on the destination
960 // XXX We might need to run the new query again and manage the plugins in the meantime with spinners...
961 // For the time being, we will collect all columns during the first query
964 /* Publish/subscribe channels for internal use */
965 get_channel: function(type, query_uuid) {
966 if ((type !== 'query') && (type != 'record'))
968 return '/' + type + '/' + query_uuid;
971 }; // manifold object
972 /* ------------------------------------------------------------ */
976 // OLD PLUGIN API: extend jQuery/$ with pubsub capabilities
977 // https://gist.github.com/661855
979 $.subscribe = function( channel, selector, data, fn) {
980 /* borrowed from jQuery */
981 if ( data == null && fn == null ) {
984 data = selector = undefined;
985 } else if ( fn == null ) {
986 if ( typeof selector === "string" ) {
987 // ( channel, selector, fn )
991 // ( channel, data, fn )
994 selector = undefined;
999 /* We use an indirection function that will clone the object passed in
1000 * parameter to the subscribe callback
1002 * FIXME currently we only clone query objects which are the only ones
1003 * supported and editable, we might have the same issue with results but
1004 * the page load time will be severely affected...
1006 o.on.apply(o, [channel, selector, data, function() {
1007 for(i = 1; i < arguments.length; i++) {
1008 if ( arguments[i].constructor.name == 'ManifoldQuery' )
1009 arguments[i] = arguments[i].clone();
1011 fn.apply(o, arguments);
1015 $.unsubscribe = function() {
1016 o.off.apply(o, arguments);
1019 $.publish = function() {
1020 o.trigger.apply(o, arguments);
1025 /* ------------------------------------------------------------ */
1027 //http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request
1028 //make sure to expose csrf in our outcoming ajax/post requests
1030 beforeSend: function(xhr, settings) {
1031 function getCookie(name) {
1032 var cookieValue = null;
1033 if (document.cookie && document.cookie != '') {
1034 var cookies = document.cookie.split(';');
1035 for (var i = 0; i < cookies.length; i++) {
1036 var cookie = jQuery.trim(cookies[i]);
1037 // Does this cookie string begin with the name we want?
1038 if (cookie.substring(0, name.length + 1) == (name + '=')) {
1039 cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
1046 if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
1047 // Only send the token to relative URLs i.e. locally.
1048 xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));