+++ /dev/null
-// utilities
-function debug_dict_keys (msg, o) {
- var keys=[];
- for (var k in o) keys.push(k);
- messages.debug ("debug_dict_keys: " + msg + " keys= " + keys);
-}
-function debug_dict (msg, o) {
- for (var k in o) messages.debug ("debug_dict: " + msg + " [" + k + "]=" + o[k]);
-}
-function debug_value (msg, value) {
- messages.debug ("debug_value: " + msg + " " + value);
-}
-function debug_query (msg, query) {
- if (query === undefined) messages.debug ("debug_query: " + msg + " -> undefined");
- else if (query == null) messages.debug ("debug_query: " + msg + " -> null");
- else if ('query_uuid' in query) messages.debug ("debug_query: " + msg + query.__repr());
- else messages.debug ("debug_query: " + msg + " query= " + query);
-}
-
-// http://javascriptweblog.wordpress.com/2011/08/08/fixing-the-javascript-typeof-operator/
-Object.toType = (function toType(global) {
- return function(obj) {
- if (obj === global) {
- return "global";
- }
- return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
- }
-})(this);
-
-/* ------------------------------------------------------------ */
-
-// Constants that should be somehow moved to a plugin.js file
-var FILTER_ADDED = 1;
-var FILTER_REMOVED = 2;
-var CLEAR_FILTERS = 3;
-var FIELD_ADDED = 4;
-var FIELD_REMOVED = 5;
-var CLEAR_FIELDS = 6;
-var NEW_RECORD = 7;
-var CLEAR_RECORDS = 8;
-var FIELD_STATE_CHANGED = 9;
-
-var IN_PROGRESS = 101;
-var DONE = 102;
-
-/* Update requests related to subqueries */
-var SET_ADD = 201;
-var SET_REMOVED = 202;
-
-// request
-var FIELD_REQUEST_CHANGE = 301;
-var FIELD_REQUEST_ADD = 302;
-var FIELD_REQUEST_REMOVE = 303;
-var FIELD_REQUEST_ADD_RESET = 304;
-var FIELD_REQUEST_REMOVE_RESET = 305;
-// status
-var FIELD_REQUEST_PENDING = 401;
-var FIELD_REQUEST_SUCCESS = 402;
-var FIELD_REQUEST_FAILURE = 403;
-
-/* Query status */
-var STATUS_NONE = 500; // Query has not been started yet
-var STATUS_GET_IN_PROGRESS = 501; // Query has been sent, no result has been received
-var STATUS_GET_RECEIVED = 502; // Success
-var STATUS_GET_ERROR = 503; // Error
-var STATUS_UPDATE_PENDING = 504;
-var STATUS_UPDATE_IN_PROGRESS = 505;
-var STATUS_UPDATE_RECEIVED = 506;
-var STATUS_UPDATE_ERROR = 507;
-
-/* Requests for query cycle */
-var RUN_UPDATE = 601;
-
-/* MANIFOLD types */
-var TYPE_VALUE = 1;
-var TYPE_RECORD = 2;
-var TYPE_LIST_OF_VALUES = 3;
-var TYPE_LIST_OF_RECORDS = 4;
-
-
-// A structure for storing queries
-
-function QueryExt(query, parent_query_ext, main_query_ext, update_query_ext, disabled) {
-
- /* Constructor */
- if (typeof query == "undefined")
- throw "Must pass a query in QueryExt constructor";
- this.query = query;
- this.parent_query_ext = (typeof parent_query_ext == "undefined") ? null : parent_query_ext;
- this.main_query_ext = (typeof main_query_ext == "undefined") ? null : main_query_ext;
- this.update_query_ext = (typeof update_query_ext == "undefined") ? null : update_query_ext;
- this.update_query_orig_ext = (typeof update_query_orig_ext == "undefined") ? null : update_query_orig_ext;
- this.disabled = (typeof update_query_ext == "undefined") ? false : disabled;
-
- this.status = null;
- this.results = null;
- // update_query null unless we are a main_query (aka parent_query == null); only main_query_fields can be updated...
-}
-
-function QueryStore() {
-
- this.main_queries = {};
- this.analyzed_queries = {};
-
- /* Insertion */
-
- this.insert = function(query) {
- // We expect only main_queries are inserted
-
- /* If the query has not been analyzed, then we analyze it */
- if (query.analyzed_query == null) {
- query.analyze_subqueries();
- }
-
- /* We prepare the update query corresponding to the main query and store both */
- /* Note: they have the same UUID */
-
- // XXX query.change_action() should become deprecated
- update_query = query.clone();
- update_query.action = 'update';
- update_query.analyzed_query.action = 'update';
- update_query.params = {};
- update_query_ext = new QueryExt(update_query);
-
- /* We remember the original query to be able to reset it */
- update_query_orig_ext = new QueryExt(update_query.clone());
-
-
- /* We store the main query */
- query_ext = new QueryExt(query, null, null, update_query_ext, update_query_orig_ext, false);
- manifold.query_store.main_queries[query.query_uuid] = query_ext;
- /* Note: the update query does not have an entry! */
-
-
- // The query is disabled; since it is incomplete until we know the content of the set of subqueries
- // XXX unless we have no subqueries ???
- // we will complete with params when records are received... this has to be done by the manager
- // SET_ADD, SET_REMOVE will change the status of the elements of the set
- // UPDATE will change also, etc.
- // XXX We need a proper structure to store this information...
-
- // We also need to insert all queries and subqueries from the analyzed_query
- // XXX We need the root of all subqueries
- query.iter_subqueries(function(sq, data, parent_query) {
- if (parent_query)
- parent_query_ext = manifold.query_store.find_analyzed_query_ext(parent_query.query_uuid);
- else
- parent_query_ext = null;
- // XXX parent_query_ext == false
- // XXX main.subqueries = {} # Normal, we need analyzed_query
- sq_ext = new QueryExt(sq, parent_query_ext, query_ext)
- manifold.query_store.analyzed_queries[sq.query_uuid] = sq_ext;
- });
-
- // XXX We have spurious update queries...
- }
-
- /* Searching */
-
- this.find_query_ext = function(query_uuid) {
- return this.main_queries[query_uuid];
- }
-
- this.find_query = function(query_uuid) {
- return this.find_query_ext(query_uuid).query;
- }
-
- this.find_analyzed_query_ext = function(query_uuid) {
- return this.analyzed_queries[query_uuid];
- }
-
- this.find_analyzed_query = function(query_uuid) {
- return this.find_analyzed_query_ext(query_uuid).query;
- }
-}
-
-/*!
- * This namespace holds functions for globally managing query objects
- * \Class Manifold
- */
-var manifold = {
-
- /**************************************************************************
- * Helper functions
- **************************************************************************/
-
- separator: '__',
-
- spin_presets: {},
-
- spin: function(locator, active /*= true */) {
- active = typeof active !== 'undefined' ? active : true;
- try {
- if (active) {
- $(locator).spin(manifold.spin_presets);
- } else {
- $(locator).spin(false);
- }
- } catch (err) { messages.debug("Cannot turn spins on/off " + err); }
- },
-
- get_type: function(variable) {
- switch(Object.toType(variable)) {
- case 'number':
- case 'string':
- return TYPE_VALUE;
- case 'object':
- return TYPE_RECORD;
- case 'array':
- if ((variable.length > 0) && (Object.toType(variable[0]) === 'object'))
- return TYPE_LIST_OF_RECORDS;
- else
- return TYPE_LIST_OF_VALUES;
- }
- },
-
- /**************************************************************************
- * Metadata management
- **************************************************************************/
-
- metadata: {
-
- get_table: function(method) {
- var table = MANIFOLD_METADATA[method];
- return (typeof table === 'undefined') ? null : table;
- },
-
- get_columns: function(method) {
- var table = this.get_table(method);
- if (!table) {
- return null;
- }
-
- return (typeof table.column === 'undefined') ? null : table.column;
- },
-
- get_key: function(method) {
- var table = this.get_table(method);
- if (!table)
- return null;
-
- return (typeof table.key === 'undefined') ? null : table.key;
- },
-
-
- get_column: function(method, name) {
- var columns = this.get_columns(method);
- if (!columns)
- return null;
-
- $.each(columns, function(i, c) {
- if (c.name == name)
- return c
- });
- return null;
- },
-
- get_type: function(method, name) {
- var table = this.get_table(method);
- if (!table)
- return null;
-
- return (typeof table.type === 'undefined') ? null : table.type;
- }
-
- },
-
- /**************************************************************************
- * Query management
- **************************************************************************/
-
- query_store: new QueryStore(),
-
- // XXX Remaining functions are deprecated since they are replaced by the query store
-
- /*!
- * Associative array storing the set of queries active on the page
- * \memberof Manifold
- */
- all_queries: {},
-
- /*!
- * Insert a query in the global hash table associating uuids to queries.
- * If the query has no been analyzed yet, let's do it.
- * \fn insert_query(query)
- * \memberof Manifold
- * \param ManifoldQuery query Query to be added
- */
- insert_query : function (query) {
- // NEW API
- manifold.query_store.insert(query);
-
- // FORMER API
- if (query.analyzed_query == null) {
- query.analyze_subqueries();
- }
- manifold.all_queries[query.query_uuid]=query;
- },
-
- /*!
- * Returns the query associated to a UUID
- * \fn find_query(query_uuid)
- * \memberof Manifold
- * \param string query_uuid The UUID of the query to be returned
- */
- find_query : function (query_uuid) {
- return manifold.all_queries[query_uuid];
- },
-
- /**************************************************************************
- * Query execution
- **************************************************************************/
-
- // trigger a query asynchroneously
- proxy_url : '/manifold/proxy/json/',
-
- // reasonably low-noise, shows manifold requests coming in and out
- asynchroneous_debug : true,
- // print our more details on result publication and related callbacks
- publish_result_debug : false,
-
- /**
- * \brief We use js function closure to be able to pass the query (array)
- * to the callback function used when data is received
- */
- success_closure: function(query, publish_uuid, callback /*domid*/) {
- return function(data, textStatus) {
- manifold.asynchroneous_success(data, query, publish_uuid, callback /*domid*/);
- }
- },
-
- run_query: function(query, callback) {
- // default value for callback = null
- if (typeof callback === 'undefined')
- callback = null;
-
- var query_json = JSON.stringify(query);
-
- /* Nothing related to pubsub here... for the moment at least. */
- //query.iter_subqueries(function (sq) {
- // manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
- //});
-
- $.post(manifold.proxy_url, {'json': query_json} , manifold.success_closure(query, null, callback /*domid*/));
- },
-
- // Executes all async. queries
- // input queries are specified as a list of {'query_uuid': <query_uuid>, 'id': <possibly null>}
- asynchroneous_exec : function (query_publish_dom_tuples) {
- // start spinners
-
- // in case the spin stuff was not loaded, let's make sure we proceed to the exit
- //try {
- // if (manifold.asynchroneous_debug)
- // messages.debug("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
- // jQuery('.need-spin').spin(manifold.spin_presets);
- //} catch (err) { messages.debug("Cannot turn on spins " + err); }
-
- // Loop through input array, and use publish_uuid to publish back results
- jQuery.each(query_publish_dom_tuples, function(index, tuple) {
- var query=manifold.find_query(tuple.query_uuid);
- var query_json=JSON.stringify (query);
- var publish_uuid=tuple.publish_uuid;
- // by default we publish using the same uuid of course
- if (publish_uuid==undefined) publish_uuid=query.query_uuid;
- if (manifold.asynchroneous_debug) {
- messages.debug("sending POST on " + manifold.proxy_url + " to be published on " + publish_uuid);
- messages.debug("... ctd... with actual query= " + query.__repr());
- }
-
- query.iter_subqueries(function (sq) {
- manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
- });
-
- // not quite sure what happens if we send a string directly, as POST data is named..
- // this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
- jQuery.post(manifold.proxy_url, {'json':query_json},
- manifold.success_closure(query, publish_uuid, tuple.callback /*domid*/));
- })
- },
-
- /**
- * \brief Forward a query to the manifold backend
- * \param query (dict) the query to be executed asynchronously
- * \param callback (function) the function to be called when the query terminates
- * Deprecated:
- * \param domid (string) the domid to be notified about the results (null for using the pub/sub system
- */
- forward: function(query, callback /*domid*/) {
- var query_json = JSON.stringify(query);
- $.post(manifold.proxy_url, {'json': query_json} ,
- manifold.success_closure(query, query.query_uuid, callback/*domid*/));
- },
-
- /*!
- * Returns whether a query expects a unique results.
- * This is the case when the filters contain a key of the object
- * \fn query_expects_unique_result(query)
- * \memberof Manifold
- * \param ManifoldQuery query Query for which we are testing whether it expects a unique result
- */
- query_expects_unique_result: function(query) {
- /* XXX we need functions to query metadata */
- //var keys = MANIFOLD_METADATA[query.object]['keys']; /* array of array of field names */
- /* TODO requires keys in metadata */
- return true;
- },
-
- /*!
- * Publish result
- * \fn publish_result(query, results)
- * \memberof Manifold
- * \param ManifoldQuery query Query which has received results
- * \param array results results corresponding to query
- */
- publish_result: function(query, result) {
- if (typeof result === 'undefined')
- result = [];
-
- // NEW PLUGIN API
- manifold.raise_record_event(query.query_uuid, CLEAR_RECORDS);
- if (manifold.publish_result_debug) messages.debug(".. publish_result (1) ");
- var count=0;
- $.each(result, function(i, record) {
- manifold.raise_record_event(query.query_uuid, NEW_RECORD, record);
- count += 1;
- });
- if (manifold.publish_result_debug) messages.debug(".. publish_result NEW API (2) count=" + count);
- manifold.raise_record_event(query.query_uuid, DONE);
-
- // OLD PLUGIN API BELOW
- /* Publish an update announce */
- var channel="/results/" + query.query_uuid + "/changed";
- if (manifold.publish_result_debug) messages.debug(".. publish_result OLD API (3) " + channel);
- jQuery.publish(channel, [result, query]);
-
- if (manifold.publish_result_debug) messages.debug(".. publish_result - END (4) q=" + query.__repr());
- },
-
- /*!
- * Recursively publish result
- * \fn publish_result_rec(query, result)
- * \memberof Manifold
- * \param ManifoldQuery query Query which has received result
- * \param array result result corresponding to query
- */
- publish_result_rec: function(query, result) {
- /* If the result is not unique, only publish the top query;
- * otherwise, publish the main object as well as subqueries
- * XXX how much recursive are we ?
- */
- if (manifold.publish_result_debug) messages.debug (">>>>> publish_result_rec " + query.object);
- if (manifold.query_expects_unique_result(query)) {
- /* Also publish subqueries */
- jQuery.each(query.subqueries, function(object, subquery) {
- manifold.publish_result_rec(subquery, result[0][object]);
- /* TODO remove object from result */
- });
- }
- if (manifold.publish_result_debug) messages.debug ("===== publish_result_rec " + query.object);
- manifold.publish_result(query, result);
- if (manifold.publish_result_debug) messages.debug ("<<<<< publish_result_rec " + query.object);
- },
-
- setup_update_query: function(query, records) {
- // We don't prepare an update query if the result has more than 1 entry
- if (records.length != 1)
- return;
- var query_ext = manifold.query_store.find_query_ext(query.query_uuid);
-
- var record = records[0];
-
- var update_query_ext = query_ext.update_query_ext;
- var update_query = update_query_ext.query;
- var update_query_ext = query_ext.update_query_ext;
- var update_query_orig = query_ext.update_query_orig_ext.query;
-
- // Testing whether the result has subqueries (one level deep only)
- // iif the query has subqueries
- var count = 0;
- var obj = query.analyzed_query.subqueries;
- for (method in obj) {
- if (obj.hasOwnProperty(method)) {
- var key = manifold.metadata.get_key(method);
- if (!key)
- continue;
- if (key.length > 1)
- continue;
- key = key[0];
- var sq_keys = [];
- var subrecords = record[method];
- if (!subrecords)
- continue
- $.each(subrecords, function (i, subrecord) {
- sq_keys.push(subrecord[key]);
- });
- update_query.params[method] = sq_keys;
- update_query_orig.params[method] = sq_keys.slice();
- count++;
- }
- }
-
- if (count > 0) {
- update_query_ext.disabled = false;
- update_query_orig_ext.disabled = false;
- }
- },
-
- process_get_query_records: function(query, records) {
- this.setup_update_query(query, records);
-
- /* Publish full results */
- tmp_query = manifold.find_query(query.query_uuid);
- manifold.publish_result_rec(tmp_query.analyzed_query, records);
- },
-
- /**
- *
- * What we need to do when receiving results from an update query:
- * - differences between what we had, what we requested, and what we obtained
- * . what we had : update_query_orig (simple fields and set fields managed differently)
- * . what we requested : update_query
- * . what we received : records
- * - raise appropriate events
- *
- * The normal process is that results similar to Get will be pushed in the
- * pubsub mechanism, thus repopulating everything while we only need
- * diff's. This means we need to move the publish functionalities in the
- * previous 'process_get_query_records' function.
- */
- process_update_query_records: function(query, records) {
- // First issue: we request everything, and not only what we modify, so will will have to ignore some fields
- var query_uuid = query.query_uuid;
- var query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
- var update_query = query_ext.main_query_ext.update_query_ext.query;
- var update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
-
- // Since we update objects one at a time, we can get the first record
- var record = records[0];
-
- // Let's iterate over the object properties
- for (var field in record) {
- switch (this.get_type(record[field])) {
- case TYPE_VALUE:
- // Did we ask for a change ?
- var update_value = update_query[field];
- if (!update_value)
- // Not requested, if it has changed: OUT OF SYNC
- // How we can know ?
- // We assume it won't have changed
- continue;
-
- var result_value = record[field];
- if (!result_value)
- throw "Internal error";
-
- data = {
- request: FIELD_REQUEST_CHANGE,
- key : field,
- value : update_value,
- status: (update_value == result_value) ? FIELD_REQUEST_SUCCESS : FIELD_REQUEST_FAILURE,
- }
- manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
-
- break;
- case TYPE_RECORD:
- throw "Not implemented";
- break;
-
- case TYPE_LIST_OF_VALUES:
- // Same as list of records, but we don't have to extract keys
- var result_keys = record[field]
-
- // The rest of exactly the same (XXX factorize)
- var update_keys = update_query_orig.params[field];
- var query_keys = update_query.params[field];
- var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
- var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
-
-
- $.each(added_keys, function(i, key) {
- if ($.inArray(key, result_keys) == -1) {
- data = {
- request: FIELD_REQUEST_ADD,
- key : field,
- value : key,
- status: FIELD_REQUEST_FAILURE,
- }
- } else {
- data = {
- request: FIELD_REQUEST_ADD,
- key : field,
- value : key,
- status: FIELD_REQUEST_SUCCESS,
- }
- }
- manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
- });
- $.each(removed_keys, function(i, key) {
- if ($.inArray(key, result_keys) == -1) {
- data = {
- request: FIELD_REQUEST_REMOVE,
- key : field,
- value : key,
- status: FIELD_REQUEST_SUCCESS,
- }
- } else {
- data = {
- request: FIELD_REQUEST_REMOVE,
- key : field,
- value : key,
- status: FIELD_REQUEST_FAILURE,
- }
- }
- manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
- });
-
-
- break;
- case TYPE_LIST_OF_RECORDS:
- // example: slice.resource
- // - update_query_orig.params.resource = resources in slice before update
- // - update_query.params.resource = resource requested in slice
- // - keys from field = resources obtained
- var key = manifold.metadata.get_key(field);
- if (!key)
- continue;
- if (key.length > 1) {
- throw "Not implemented";
- continue;
- }
- key = key[0];
-
- /* XXX should be modified for multiple keys */
- var result_keys = $.map(record[field], function(x) { return x[key]; });
-
- var update_keys = update_query_orig.params[field];
- var query_keys = update_query.params[field];
- var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
- var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
-
-
- $.each(added_keys, function(i, key) {
- if ($.inArray(key, result_keys) == -1) {
- data = {
- request: FIELD_REQUEST_ADD,
- key : field,
- value : key,
- status: FIELD_REQUEST_FAILURE,
- }
- } else {
- data = {
- request: FIELD_REQUEST_ADD,
- key : field,
- value : key,
- status: FIELD_REQUEST_SUCCESS,
- }
- }
- manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
- });
- $.each(removed_keys, function(i, key) {
- if ($.inArray(key, result_keys) == -1) {
- data = {
- request: FIELD_REQUEST_REMOVE,
- key : field,
- value : key,
- status: FIELD_REQUEST_SUCCESS,
- }
- } else {
- data = {
- request: FIELD_REQUEST_REMOVE,
- key : field,
- value : key,
- status: FIELD_REQUEST_FAILURE,
- }
- }
- manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
- });
-
-
- break;
- }
- }
-
- // XXX Now we need to adapt 'update' and 'update_orig' queries as if we had done a get
- this.setup_update_query(query, records);
- },
-
- process_query_records: function(query, records) {
- if (query.action == 'get') {
- this.process_get_query_records(query, records);
- } else if (query.action == 'update') {
- this.process_update_query_records(query, records);
- }
- },
-
- // if set domid allows the result to be directed to just one plugin
- // most of the time publish_uuid will be query.query_uuid
- // however in some cases we wish to publish the result under a different uuid
- // e.g. an updater wants to publish its result as if from the original (get) query
- asynchroneous_success : function (data, query, publish_uuid, callback /*domid*/) {
- // xxx should have a nicer declaration of that enum in sync with the python code somehow
-
- var start = new Date();
- if (manifold.asynchroneous_debug)
- messages.debug(">>>>>>>>>> asynchroneous_success query.object=" + query.object);
-
- /* If a callback has been specified, we redirect results to it */
- if (!!callback) {
- callback(data);
- if (manifold.asynchroneous_debug) {
- duration=new Date()-start;
- messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- callback ended " + duration + " ms");
- }
- return;
- }
-
- if (data.code == 2) { // ERROR
- // We need to make sense of error codes here
- alert("Your session has expired, please log in again");
- window.location="/logout/";
- if (manifold.asynchroneous_debug) {
- duration=new Date()-start;
- messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- error returned - logging out " + duration + " ms");
- }
- return;
- }
- if (data.code == 1) { // WARNING
- messages.error("Some errors have been received from the manifold backend at " + MANIFOLD_URL + " [" + data.description + "]");
- // publish error code and text message on a separate channel for whoever is interested
- if (publish_uuid)
- $.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
-
- $("#notifications").notify("create", "sticky", {
- title: 'Warning',
- text: data.description
- },{
- expires: false,
- speed: 1000
- });
-
- }
- if (manifold.asynchroneous_debug)
- messages.debug ("========== asynchroneous_success " + query.object + " -- before process_query_records");
-
- // once everything is checked we can use the 'value' part of the manifoldresult
- var result=data.value;
- if (result) {
- /* Eventually update the content of related queries (update, etc) */
- this.process_query_records(query, result);
-
- /* Publish results: disabled here, done in the previous call */
- //tmp_query = manifold.find_query(query.query_uuid);
- //manifold.publish_result_rec(tmp_query.analyzed_query, result);
- }
- if (manifold.asynchroneous_debug) {
- duration=new Date()-start;
- messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- done " + duration + " ms");
- }
-
- },
-
- /**************************************************************************
- * Plugin API helpers
- **************************************************************************/
-
- raise_event_handler: function(type, query_uuid, event_type, value) {
- if ((type != 'query') && (type != 'record'))
- throw 'Incorrect type for manifold.raise_event()';
-
- var channels = [ manifold.get_channel(type, query_uuid), manifold.get_channel(type, '*') ];
-
- $.each(channels, function(i, channel) {
- if (value === undefined) {
- $('.plugin').trigger(channel, [event_type]);
- } else {
- $('.plugin').trigger(channel, [event_type, value]);
- }
- });
- },
-
- raise_query_event: function(query_uuid, event_type, value) {
- manifold.raise_event_handler('query', query_uuid, event_type, value);
- },
-
- raise_record_event: function(query_uuid, event_type, value) {
- manifold.raise_event_handler('record', query_uuid, event_type, value);
- },
-
-
- raise_event: function(query_uuid, event_type, value) {
- // Query uuid has been updated with the key of a new element
- query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
- query = query_ext.query;
-
- switch(event_type) {
- case FIELD_STATE_CHANGED:
- // value is an object (request, key, value, status)
- // update is only possible is the query is not pending, etc
- // SET_ADD is on a subquery, FIELD_STATE_CHANGED on the query itself
- // we should map SET_ADD on this...
-
- // 1. Update internal query store about the change in status
-
- // 2. Update the update query
- update_query = query_ext.main_query_ext.update_query_ext.query;
- update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
-
- switch(value.request) {
- case FIELD_REQUEST_CHANGE:
- update_query.params[value.key] = value.value;
- break;
- case FIELD_REQUEST_ADD:
- if ($.inArray(value.value, update_query_orig.params[value.key]) != -1)
- value.request = FIELD_REQUEST_ADD_RESET;
- update_query.params[value.key].push(value.value);
- break;
- case FIELD_REQUEST_REMOVE:
- if ($.inArray(value.value, update_query_orig.params[value.key]) == -1)
- value.request = FIELD_REQUEST_REMOVE_RESET;
-
- var arr = update_query.params[value.key];
- arr = $.grep(arr, function(x) { return x != value.value; });
- update_query.params[value.key] = arr;
-
- break;
- case FIELD_REQUEST_ADD_RESET:
- case FIELD_REQUEST_REMOVE_RESET:
- // XXX We would need to keep track of the original query
- throw "Not implemented";
- break;
- }
-
- // 3. Inform others about the change
- // a) the main query...
- manifold.raise_record_event(query_uuid, event_type, value);
-
- // b) subqueries eventually (dot in the key)
- // Let's unfold
- var path_array = value.key.split('.');
- var value_key = value.key.split('.');
-
- var cur_query = query;
- if (cur_query.analyzed_query)
- cur_query = cur_query.analyzed_query;
- $.each(path_array, function(i, method) {
- cur_query = cur_query.subqueries[method];
- value_key.shift(); // XXX check that method is indeed shifted
- });
- value.key = value_key;
-
- manifold.raise_record_event(cur_query.query_uuid, event_type, value);
-
- // XXX make this DOT a global variable... could be '/'
- break;
-
- case SET_ADD:
- case SET_REMOVED:
-
- // update is only possible is the query is not pending, etc
- // CHECK status !
-
- // XXX we can only update subqueries of the main query. Check !
- // assert query_ext.parent_query == query_ext.main_query
- // old // update_query = query_ext.main_query_ext.update_query_ext.query;
-
- // This SET_ADD is called on a subquery, so we have to
- // recontruct the path of the key in the main_query
- // We then call FIELD_STATE_CHANGED which is the equivalent for the main query
-
- var path = "";
- var sq = query_ext;
- while (sq.parent_query_ext) {
- if (path != "")
- path = '.' + path;
- path = sq.query.object + path;
- sq = sq.parent_query_ext;
- }
-
- main_query = query_ext.main_query_ext.query;
- data = {
- request: (event_type == SET_ADD) ? FIELD_REQUEST_ADD : FIELD_REQUEST_REMOVE,
- key : path,
- value : value,
- status: FIELD_REQUEST_PENDING,
- };
- this.raise_event(main_query.query_uuid, FIELD_STATE_CHANGED, data);
-
- // old //update_query.params[path].push(value);
- // old // console.log('Updated query params', update_query);
- // NOTE: update might modify the fields in Get
- // NOTE : we have to modify all child queries
- // NOTE : parts of a query might not be started (eg slice.measurements, how to handle ?)
-
- // if everything is done right, update_query should not be null.
- // It is updated when we received results from the get query
- // object = the same as get
- // filter = key : update a single object for now
- // fields = the same as get
- manifold.raise_query_event(query_uuid, event_type, value);
-
- break;
-
- case RUN_UPDATE:
- manifold.run_query(query_ext.main_query_ext.update_query_ext.query);
- break;
-
- case FILTER_ADDED:
- manifold.raise_query_event(query_uuid, event_type, value);
- break;
- case FILTER_REMOVED:
- manifold.raise_query_event(query_uuid, event_type, value);
- break;
- case FIELD_ADDED:
- main_query = query_ext.main_query_ext.query;
- main_update_query = query_ext.main_query_ext.update_query;
- query.select(value);
-
- // Here we need the full path through all subqueries
- path = ""
- // XXX We might need the query name in the QueryExt structure
- main_query.select(value);
-
- // XXX When is an update query associated ?
- // XXX main_update_query.select(value);
-
- manifold.raise_query_event(query_uuid, event_type, value);
- break;
-
- case FIELD_REMOVED:
- query = query_ext.query;
- main_query = query_ext.main_query_ext.query;
- main_update_query = query_ext.main_query_ext.update_query;
- query.unselect(value);
- main_query.unselect(value);
-
- // We need to inform about changes in these queries to the respective plugins
- // Note: query & main_query have the same UUID
- manifold.raise_query_event(query_uuid, event_type, value);
- break;
- }
- // We need to inform about changes in these queries to the respective plugins
- // Note: query, main_query & update_query have the same UUID
- manifold.raise_query_event(query_uuid, event_type, value);
- // We are targeting the same object with get and update
- // The notion of query is bad, we should have a notion of destination, and issue queries on the destination
- // NOTE: Editing a subquery == editing a local view on the destination
-
- // XXX We might need to run the new query again and manage the plugins in the meantime with spinners...
- // For the time being, we will collect all columns during the first query
- },
-
- /* Publish/subscribe channels for internal use */
- get_channel: function(type, query_uuid) {
- if ((type !== 'query') && (type != 'record'))
- return null;
- return '/' + type + '/' + query_uuid;
- },
-
-}; // manifold object
-/* ------------------------------------------------------------ */
-
-(function($) {
-
- // OLD PLUGIN API: extend jQuery/$ with pubsub capabilities
- // https://gist.github.com/661855
- var o = $({});
- $.subscribe = function( channel, selector, data, fn) {
- /* borrowed from jQuery */
- if ( data == null && fn == null ) {
- // ( channel, fn )
- fn = selector;
- data = selector = undefined;
- } else if ( fn == null ) {
- if ( typeof selector === "string" ) {
- // ( channel, selector, fn )
- fn = data;
- data = undefined;
- } else {
- // ( channel, data, fn )
- fn = data;
- data = selector;
- selector = undefined;
- }
- }
- /* </ugly> */
-
- /* We use an indirection function that will clone the object passed in
- * parameter to the subscribe callback
- *
- * FIXME currently we only clone query objects which are the only ones
- * supported and editable, we might have the same issue with results but
- * the page load time will be severely affected...
- */
- o.on.apply(o, [channel, selector, data, function() {
- for(i = 1; i < arguments.length; i++) {
- if ( arguments[i].constructor.name == 'ManifoldQuery' )
- arguments[i] = arguments[i].clone();
- }
- fn.apply(o, arguments);
- }]);
- };
-
- $.unsubscribe = function() {
- o.off.apply(o, arguments);
- };
-
- $.publish = function() {
- o.trigger.apply(o, arguments);
- };
-
-}(jQuery));
-
-/* ------------------------------------------------------------ */
-
-//http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request
-//make sure to expose csrf in our outcoming ajax/post requests
-$.ajaxSetup({
- beforeSend: function(xhr, settings) {
- function getCookie(name) {
- var cookieValue = null;
- if (document.cookie && document.cookie != '') {
- var cookies = document.cookie.split(';');
- for (var i = 0; i < cookies.length; i++) {
- var cookie = jQuery.trim(cookies[i]);
- // Does this cookie string begin with the name we want?
- if (cookie.substring(0, name.length + 1) == (name + '=')) {
- cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
- break;
- }
- }
- }
- return cookieValue;
- }
- if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
- // Only send the token to relative URLs i.e. locally.
- xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
- }
- }
-});
git://git.onelab.eu / myslice.git / blobdiff