+++ /dev/null
-/**
- * Description: associate with a Get query, maintains the 'Update' query that records pending changes
- * Copyright (c) 2012 UPMC Sorbonne Universite - INRIA
- * License: GPLv3
- */
-
-// xxx this is ongoing work, very rough, and not working at all yet
-
-( function ( $ ) {
-
- 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 ));
- } else if ( typeof method === 'object' || ! method ) {
- 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);
- // xxx not tested yet
- var results_channel = '/results/' + options.query_uuid + '/changed';
- $.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();
- $this.removeData('Updater');
- });
- },
-
- show : function( content ) { }
- };
-
- function Updater (options) {
- this.options=options;
- // xxx should try to locate update_query first, in case we have several Updaters
- // on the same query
- // however the mental model behind the global manifold object for now is
- // to unambiguously find a query based on its query_uuid, which in the joomla
- // implementation wouldn't fly
- // we keep this for a later improvement
- var query=manifold.find_query (options.query_uuid);
- // very rough way of filling this for now
- this.update_query =
- new ManifoldQuery ("update", query.object, null, query.filters,
- {}, // params
- query.fields,
- undefined, /* unique */
- Math.uuid(32,16),
- undefined, undefined /* maybe some day I'll get that one */);
- manifold.insert_query (this.update_query);
- // arm button once document is loaded
- (function(updater) {$(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);
- }
-
- this.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]);
- },
-
- this.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]);
- },
-
- this.query_completed = function (e, rows, query) {
-
- /* This function is called twice : get and update */
- messages.info("updater.query_completed - not implemented yet");
- return;
-
- 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
- }
-
- }
- }
-})( jQuery );
-
git://git.onelab.eu / unfold.git / blobdiff