*/
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
if (query.analyzed_query == null) {
query.analyze_subqueries();
}
- manifold.all_queries[query.query_uuid]=query;
+ manifold.all_queries[query.query_uuid]=query;
},
/*!
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_publish_dom_tuples) {
try {
if (manifold.asynchroneous_debug)
messages.debug("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
- jQuery('.need-spin').spin(spin_presets);
+ jQuery('.need-spin').spin(manifold.spin_presets);
} catch (err) { messages.debug("Cannot turn on spins " + err); }
-
- // 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, publish_uuid, domid) {
- return function(data, textStatus) {manifold.asynchroneous_success(data, query, publish_uuid, domid);}};
// Loop through input array, and use publish_uuid to publish back results
jQuery.each(query_publish_dom_tuples, function(index, tuple) {
}
// 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, publish_uuid, tuple.domid));
+ 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) {
+ /* Publish an update announce */
+ var channel="/results/" + query.query_uuid + "/changed";
+ if (manifold.asynchroneous_debug)
+ messages.debug("publishing result on " + channel);
+ if (typeof result === 'undefined')
+ result = [];
+ 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 results under a different uuid
- // e.g. an updater wants to publish its results as if from the original (get) query
- asynchroneous_success : function (data, query, publish_uuid, domid) {
+ // 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/";
jQuery.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
}
// once everything is checked we can use the 'value' part of the manifoldresult
- var value=data.value;
- if (value) {
- if (!!domid) {
- /* Directly inform the requestor */
- if (manifold.asynchroneous_debug) messages.debug("directing results to " + domid);
- jQuery('#' + domid).trigger('results', [value]);
- } else {
- /* Publish an update announce */
- var channel="/results/" + publish_uuid + "/changed";
- if (manifold.asynchroneous_debug) messages.debug("publishing results on " + channel);
- jQuery.publish(channel, [value, query]);
- }
+ 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);
+ //}
}
},
git://git.onelab.eu / myslice.git / blobdiff