* License: GPLv3
*/
+// xxx this is ongoing work, very rough, and not working at all yet
+
( function ( $ ) {
- $.fn.Updater = function( method ) {
+ var debug=false;
+// debug=true
+
+ $.fn.Updater = function ( method ) {
/* Method calling logic */
if ( methods[method] ) {
return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ));
return methods.init.apply( this, arguments );
} else {
$.error( 'Method ' + method + ' does not exist on $.Updater' );
- }
-
+ }
};
var methods = {
-
init : function( options ) {
return this.each(function(){
var $this = $(this);
var updater = new Updater (options);
$this.data('Updater',updater);
- /* Subscribe to query updates */
+ // xxx not tested yet
var results_channel = '/results/' + options.query_uuid + '/changed';
- $.subscribe(results_channel, function (e,rows) { updater.update_slice (e,rows); } );
-
-
- // xxx - here -- here -- xxx
-
- $('#updater-' + options.plugin_uuid).click({instance: $this}, function (e) {
- var data = e.data.instance.data().Slices;
- tophat_async_exec([{'query': data.update_query, 'id': null}]);
- //$('#updateslice-' + options.plugin_uuid).prop('disabled', true);
- });
-
- /* End of plugin initialization */
-
- $(this).data('Slices', {
- options: options,
- target : $this,
- update_query : null,
- child_subscribe: false, /* Are we listening for children updates */
- Slices : Slices
+ $.subscribe(results_channel, function (e,rows) { updater.query_completed (e,rows); } );
+ // under test..
+ var failed_channel = '/results/' + options.query_uuid + '/failed';
+ $.subscribe(failed_channel, $this, function (e,code,output) { updater.query_failed (e, code, output); } );
+ });
+ },
+ destroy : function( ) {
+ return this.each(function(){
+ var $this = $(this);
+ $(window).unbind('Updater');
+ data.Updater.remove();
+ $this.removeData('Updater');
});
+ },
- }
- });
- },
- destroy : function( ) {
-
- return this.each(function(){
- var $this = $(this), data = $this.data('Slices');
- $(window).unbind('Slices');
- data.Slices.remove();
- $this.removeData('Slices');
- })
-
- },
-
- show : function( content ) { }
- };
-
- /* Private methods */
-
- function update_resources(e, resources, change)
- {
- data = e.data.instance.data().Slices;
-
- data.update_query.params['resource'] = resources
- $.publish('/update/' + data.options.query_uuid, [data.update_query, true]);
- }
-
- function update_leases(e, leases, change)
- {
- data = e.data.instance.data().Slices;
-
- data.update_query.params['lease'] = leases
- $.publish('/update/' + data.options.query_uuid, [data.update_query, true]);
- }
-
- function update_slice(e, rows, query) {
- /* This function is called twice : get and update */
-
- var data = e.data.instance.data().Slices;
-
- /* Update placeholders and trigger subqueries updates */
- if (rows.length == 0) {
- alert("no result");
- return;
- }
- var slice = rows[0];
-
- /* for get */
- if (data.update_query == null) {
- data.update_query = new Query('update','slice', 'now', query.filter, {"resource": null, "lease": null}, query.fields, 0, data.options.query_uuid);
- }
- /* In case of update the list of resources and leases should be updated accordingly */
-
- /* only for get ? */
- $.each(slice, function(key, value) {
- if (typeof value == 'string') {
- $('#myslice__' + key).html(value);
+ show : function( content ) { }
+ };
+
+ function Updater (options) {
+ this.options=options;
+ // xxx should try to locate update_query first, in case we have several Updaters
+ // on the same query
+ // however the mental model behind the global manifold object for now is
+ // to unambiguously find a query based on its query_uuid, which in the joomla
+ // implementation wouldn't fly
+ // we keep this for a later improvement
+ var query=manifold.find_query (options.query_uuid);
+ // very rough way of filling this for now
+ this.update_query =
+ new ManifoldQuery ("update", query.subject, null, query.filters,
+ {}, // params
+ query.fields,
+ undefined, /* unique */
+ Math.uuid(32,16),
+ undefined, undefined /* maybe some day I'll get that one */);
+ manifold.insert_query (this.update_query);
+ // arm button once document is loaded
+ (function(updater) {$(document).ready(function(){updater.arm_button()})})(this);
+
+ this.arm_button = function () {
+ $('#updater-' + this.options.plugin_uuid).click(this, this.submit_update_request);
+ },
+ this.submit_update_request = function (e) {
+ var query_uuid = e.data.options.query_uuid;
+ var update_query = e.data.update_query;
+ if (debug) messages.debug("Updater.submit_update_request " + update_query.__repr());
+ // actually send the Update query, but publish results as if coming from the original query
+ manifold.asynchroneous_exec ( [ {'query_uuid': update_query.query_uuid, 'publish_uuid' : query_uuid} ], false);
+ // disable button while the query is flying
+ $('#updater-' + e.data.options.plugin_uuid).attr('disabled', 'disabled');
+ },
+
+ this.query_failed = function (e, code, output) {
+ var plugindiv=e.data;
+ var updater=plugindiv.data('Updater');
+ $('#updater-' + updater.options.plugin_uuid).removeAttr('disabled');
+ // just as a means to deom how to retrieve the stuff passed on the channel
+ if (debug) messages.debug("retrieved error code " + code + " and output " + output);
+ }
+
+ update_resources = function (e, resources, change) {
+ data = e.data.instance.data().Slices;
+
+ data.update_query.params['resource'] = resources
+ $.publish('/update/' + data.options.query_uuid, [data.update_query, true]);
+ },
+
+ update_leases = function (e, leases, change) {
+ data = e.data.instance.data().Slices;
+
+ data.update_query.params['lease'] = leases
+ $.publish('/update/' + data.options.query_uuid, [data.update_query, true]);
+ },
+
+
+
+ query_completed = function (e, rows, query) {
+
+ /* This function is called twice : get and update */
+ messages.info("updater.query_completed - not implemented yet");
+
+ var data = e.data.instance.data().Slices;
+
+ /* Update placeholders and trigger subqueries updates */
+ if (rows.length == 0) {
+ alert("no result");
+ return;
+ }
+ var slice = rows[0];
+
+ /* for get */
+ if (data.update_query == null) {
+ data.update_query = new Query('update','slice', 'now', query.filter, {"resource": null, "lease": null}, query.fields, 0, data.options.query_uuid);
+ }
+ /* In case of update the list of resources and leases should be updated accordingly */
+
+ /* only for get ? */
+ $.each(slice, function(key, value) {
+ if (typeof value == 'string') {
+ $('#myslice__' + key).html(value);
+ }
+ });
+
+ /* TODO avoid repetitions + made this code generic and plugin-independent */
+
+ if (query.method == 'update') {
+ // XXX NON, les uuid doivent etre les memes que dans la query Get, cet appel devrait etre fait avant.
+ query.analyzed_subqueries();
+ }
+
+ /* NOTE: Dans le cadre d'un update, on n'a pas besoin de refaire tout
+ * le query plan et obtenir toutes les infos, par contre on ne peut pas
+ * savoir d'avance quels parametres ont été accordés, changés, etc.
+ * Dans le cas général, ca pourrait affecter le query plan...
+ * Par contre on n'a pas d'information sur toutes les resources, mais
+ * uniquement celles dans la liste. Comment gérer ?
+ */
+
+ /* Inform child plugins about their respective parts of the results */
+ /* Only for get */
+ var r_subq = query.analyzed_query.subqueries['resource'];
+ var l_subq = query.analyzed_query.subqueries['lease'];
+ $.publish('/results/' + r_subq.uuid + '/changed', [slice['resource'], r_subq]);
+ $.publish('/results/' + l_subq.uuid + '/changed', [slice['lease'], l_subq]);
+
+ /* Subscribe to get notifications from child plugins */
+ if (!data.child_subscribe) {
+ $.subscribe('/update-set/' + r_subq.uuid, {instance: e.data.instance}, update_resources);
+ $.subscribe('/update-set/' + l_subq.uuid, {instance: e.data.instance}, update_leases);
+ data.child_subscribe = true
}
- });
-
- /* TODO avoid repetitions + made this code generic and plugin-independent */
-
- if (query.method == 'update') {
- // XXX NON, les uuid doivent etre les memes que dans la query Get, cet appel devrait etre fait avant.
- query.analyzed_subqueries();
- }
-
- /* NOTE: Dans le cadre d'un update, on n'a pas besoin de refaire tout
- * le query plan et obtenir toutes les infos, par contre on ne peut pas
- * savoir d'avance quels parametres ont été accordés, changés, etc.
- * Dans le cas général, ca pourrait affecter le query plan...
- * Par contre on n'a pas d'information sur toutes les resources, mais
- * uniquement celles dans la liste. Comment gérer ?
- */
-
- /* Inform child plugins about their respective parts of the results */
- /* Only for get */
- var r_subq = query.analyzed_query.subqueries['resource'];
- var l_subq = query.analyzed_query.subqueries['lease'];
- $.publish('/results/' + r_subq.uuid + '/changed', [slice['resource'], r_subq]);
- $.publish('/results/' + l_subq.uuid + '/changed', [slice['lease'], l_subq]);
-
- /* Subscribe to get notifications from child plugins */
- if (!data.child_subscribe) {
- $.subscribe('/update-set/' + r_subq.uuid, {instance: e.data.instance}, update_resources);
- $.subscribe('/update-set/' + l_subq.uuid, {instance: e.data.instance}, update_leases);
- data.child_subscribe = true
- }
-
+
+ }
}
-
})( jQuery );
git://git.onelab.eu / myslice.git / blobdiff