function debug_dict_keys (msg, o) {
var keys=[];
for (var k in o) keys.push(k);
- console.log ("debug_dict_keys: " + msg + " keys= " + keys);
+ messages.debug ("debug_dict_keys: " + msg + " keys= " + keys);
}
function debug_dict (msg, o) {
- for (var k in o) console.log ("debug_dict: " + msg + " [" + k + "]=" + o[k]);
+ for (var k in o) messages.debug ("debug_dict: " + msg + " [" + k + "]=" + o[k]);
}
function debug_value (msg, value) {
- console.log ("debug_value: " + msg + " " + value);
+ messages.debug ("debug_value: " + msg + " " + value);
}
function debug_query (msg, query) {
- if (query === undefined) console.log ("debug_query: " + msg + " -> undefined");
- else if (query == null) console.log ("debug_query: " + msg + " -> null");
- else if ('query_uuid' in query) console.log ("debug_query: " + msg + query.__repr());
- else console.log ("debug_query: " + msg + " query= " + 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);
}
/* ------------------------------------------------------------ */
-// this namespace holds functions for globally managing query objects
+
+// 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 IN_PROGRESS = 101;
+var DONE = 102;
+
+/*!
+ * This namespace holds functions for globally managing query objects
+ * \Class Manifold
+ */
var manifold = {
+ 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); }
+ },
+
+ /*!
+ * 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) {
- manifold.all_queries[query.query_uuid]=query;
+ 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];
- },
- debug_all_queries : function (msg) {
- for (var query_uuid in manifold.all_queries) {
- $.publish("messages:debug","manifold.debug " + msg + " " + query_uuid + " -> " + manifold.all_queries[query_uuid]);
- }
+ return manifold.all_queries[query_uuid];
},
// trigger a query asynchroneously
asynchroneous_debug : true,
+ /**
+ * \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*/);
+ }
+ },
+
// Executes all async. queries
// input queries are specified as a list of {'query_uuid': <query_uuid>, 'id': <possibly null>}
- asynchroneous_exec : function (query_uuid_domids) {
- // start spinners
-
- if (manifold.asynchroneous_debug)
- $.publish("messages.debug","Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
- jQuery('.need-spin').spin(spin_presets);
-
- // We use js function closure to be able to pass the query (array) to the
- // callback function used when data is received
- var success_closure = function(query, id) {
- return function(data, textStatus) {manifold.asynchroneous_success(data, query, id);}};
-
- // Loop through query array and use ajax to send back query_uuid_domids (to frontend) with json
- jQuery.each(query_uuid_domids, function(index, tuple) {
- var query=manifold.find_query(tuple.query_uuid);
- var query_json=JSON.stringify (query);
- if (manifold.asynchroneous_debug) {
- $.publish("messages:debug","sending POST on " + manifold.proxy_url + " with query= " + query.__repr());
- }
- // 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} , success_closure(query, tuple.id));
- })
- },
-
- asynchroneous_success : function (data, query, id) {
- if (manifold.asynchroneous_debug)
- $.publish("messages:debug","received manifold result with code " + data.code);
- // xxx should have a nicer declaration of that enum in sync with the python code somehow
- if (data.code == 1) {
- alert("Your session has expired, please log in again");
- window.location="/logout/";
- return;
- } else if (data.code != 0) {
- alert("Error received from manifold backend at " + MANIFOLD_URL + " [" + data.output + "]");
- return;
- }
- // once everything is checked we can use the 'value' part of the manifoldresult
- data=data.value;
- if (data) {
- if (!!id) {
- /* Directly inform the requestor */
- jQuery('#' + id).trigger('results', [data]);
- } else {
- /* Publish an update announce */
- jQuery.publish("/results/" + query.query_uuid + "/changed", [data, query]);
+ 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) {
+ $('.plugin').trigger(manifold.get_record_channel(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
+ var channel = manifold.get_record_channel(query.query_uuid);
+ $('.plugin').trigger(channel, [CLEAR_RECORDS]);
+ $.each(result, function(i, record) {
+ $('.plugin').trigger(channel, [NEW_RECORD, record]);
+ });
+ $('.plugin').trigger(channel, [DONE]);
+
+ // OLD PLUGIN API BELOW
+ /* Publish an update announce */
+ var channel="/results/" + query.query_uuid + "/changed";
+ if (manifold.asynchroneous_debug)
+ messages.debug("publishing result on " + channel);
+ jQuery.publish(channel, [result, query]);
+ },
+
+ /*!
+ * 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.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 */
+ });
+ }
+ manifold.publish_result(query, result);
+ },
+
+ // 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
+
+ /* If a callback has been specified, we redirect results to it */
+ if (!!callback) { callback(data); return; }
+
+ if (data.code == 2) { // ERROR
+ alert("Your session has expired, please log in again");
+ window.location="/logout/";
+ 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
+ jQuery.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
+ }
+ // once everything is checked we can use the 'value' part of the manifoldresult
+ var result=data.value;
+ if (result) {
+ //if (!!callback /* domid */) {
+ // /* Directly inform the requestor */
+ // if (manifold.asynchroneous_debug) messages.debug("directing result to callback");
+ // callback(result);
+ // //if (manifold.asynchroneous_debug) messages.debug("directing result to " + domid);
+ // //jQuery('#' + domid).trigger('results', [result]);
+ //} else {
+ /* XXX Jordan XXX I don't need publish_uuid here... What is it used for ? */
+ /* query is the query we sent to the backend; we need to find the
+ * corresponding analyezd_query in manifold.all_queries
+ */
+ tmp_query = manifold.find_query(query.query_uuid);
+ manifold.publish_result_rec(tmp_query.analyzed_query, result);
+ //}
+
+ }
},
+ /* Publish/subscribe channels for internal use */
+ get_query_channel: function(uuid) { return '/query/' + uuid },
+ get_record_channel: function(uuid) { return '/record/' + uuid },
+
}; // manifold object
/* ------------------------------------------------------------ */
-// extend jQuery/$ with pubsub capabilities
-/* https://gist.github.com/661855 */
(function($) {
- var o = $({});
-
- $.subscribe = function( types, selector, data, fn) {
- /* borrowed from jQuery */
- if ( data == null && fn == null ) {
- // ( types, fn )
- fn = selector;
- data = selector = undefined;
- } else if ( fn == null ) {
- if ( typeof selector === "string" ) {
- // ( types, selector, fn )
- fn = data;
- data = undefined;
- } else {
- // ( types, 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
+ /* NEW PLUGIN API
*
- * 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...
+ * NOTE: Since we don't have a plugin class, we are extending all jQuery
+ * plugins...
*/
- o.on.apply(o, [types, selector, data, function() {
- for(i = 1; i < arguments.length; i++) {
- if ( arguments[i].constructor.name == 'Query' )
- arguments[i] = arguments[i].clone();
- }
- fn.apply(o, arguments);
- }]);
- };
- $.unsubscribe = function() {
- o.off.apply(o, arguments);
- };
+ /*!
+ * \brief Associates a query handler to the current plugin
+ * \param uuid (string) query uuid
+ * \param handler (function) handler callback
+ */
+ $.fn.set_query_handler = function(uuid, handler)
+ {
+ this.on(manifold.get_query_channel(uuid), handler);
+ }
- $.publish = function() {
- o.trigger.apply(o, arguments);
- };
+ $.fn.set_record_handler = function(uuid, handler)
+ {
+ this.on(manifold.get_record_channel(uuid), handler);
+ }
+ // OLD PLUGIN API: extend jQuery/$ 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));
/* ------------------------------------------------------------ */