annotate media/js/jquery-autocomplete/lib/jquery.ajaxQueue.js @ 45:a5b4c5ce0658

Breaking down and controlling all media files, including javascript libraries.
author Brian Neal <bgneal@gmail.com>
date Fri, 19 Jun 2009 03:16:03 +0000
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bgneal@45 1 /**
bgneal@45 2 * Ajax Queue Plugin
bgneal@45 3 *
bgneal@45 4 * Homepage: http://jquery.com/plugins/project/ajaxqueue
bgneal@45 5 * Documentation: http://docs.jquery.com/AjaxQueue
bgneal@45 6 */
bgneal@45 7
bgneal@45 8 /**
bgneal@45 9
bgneal@45 10 <script>
bgneal@45 11 $(function(){
bgneal@45 12 jQuery.ajaxQueue({
bgneal@45 13 url: "test.php",
bgneal@45 14 success: function(html){ jQuery("ul").append(html); }
bgneal@45 15 });
bgneal@45 16 jQuery.ajaxQueue({
bgneal@45 17 url: "test.php",
bgneal@45 18 success: function(html){ jQuery("ul").append(html); }
bgneal@45 19 });
bgneal@45 20 jQuery.ajaxSync({
bgneal@45 21 url: "test.php",
bgneal@45 22 success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
bgneal@45 23 });
bgneal@45 24 jQuery.ajaxSync({
bgneal@45 25 url: "test.php",
bgneal@45 26 success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
bgneal@45 27 });
bgneal@45 28 });
bgneal@45 29 </script>
bgneal@45 30 <ul style="position: absolute; top: 5px; right: 5px;"></ul>
bgneal@45 31
bgneal@45 32 */
bgneal@45 33 /*
bgneal@45 34 * Queued Ajax requests.
bgneal@45 35 * A new Ajax request won't be started until the previous queued
bgneal@45 36 * request has finished.
bgneal@45 37 */
bgneal@45 38
bgneal@45 39 /*
bgneal@45 40 * Synced Ajax requests.
bgneal@45 41 * The Ajax request will happen as soon as you call this method, but
bgneal@45 42 * the callbacks (success/error/complete) won't fire until all previous
bgneal@45 43 * synced requests have been completed.
bgneal@45 44 */
bgneal@45 45
bgneal@45 46
bgneal@45 47 (function($) {
bgneal@45 48
bgneal@45 49 var ajax = $.ajax;
bgneal@45 50
bgneal@45 51 var pendingRequests = {};
bgneal@45 52
bgneal@45 53 var synced = [];
bgneal@45 54 var syncedData = [];
bgneal@45 55
bgneal@45 56 $.ajax = function(settings) {
bgneal@45 57 // create settings for compatibility with ajaxSetup
bgneal@45 58 settings = jQuery.extend(settings, jQuery.extend({}, jQuery.ajaxSettings, settings));
bgneal@45 59
bgneal@45 60 var port = settings.port;
bgneal@45 61
bgneal@45 62 switch(settings.mode) {
bgneal@45 63 case "abort":
bgneal@45 64 if ( pendingRequests[port] ) {
bgneal@45 65 pendingRequests[port].abort();
bgneal@45 66 }
bgneal@45 67 return pendingRequests[port] = ajax.apply(this, arguments);
bgneal@45 68 case "queue":
bgneal@45 69 var _old = settings.complete;
bgneal@45 70 settings.complete = function(){
bgneal@45 71 if ( _old )
bgneal@45 72 _old.apply( this, arguments );
bgneal@45 73 jQuery([ajax]).dequeue("ajax" + port );;
bgneal@45 74 };
bgneal@45 75
bgneal@45 76 jQuery([ ajax ]).queue("ajax" + port, function(){
bgneal@45 77 ajax( settings );
bgneal@45 78 });
bgneal@45 79 return;
bgneal@45 80 case "sync":
bgneal@45 81 var pos = synced.length;
bgneal@45 82
bgneal@45 83 synced[ pos ] = {
bgneal@45 84 error: settings.error,
bgneal@45 85 success: settings.success,
bgneal@45 86 complete: settings.complete,
bgneal@45 87 done: false
bgneal@45 88 };
bgneal@45 89
bgneal@45 90 syncedData[ pos ] = {
bgneal@45 91 error: [],
bgneal@45 92 success: [],
bgneal@45 93 complete: []
bgneal@45 94 };
bgneal@45 95
bgneal@45 96 settings.error = function(){ syncedData[ pos ].error = arguments; };
bgneal@45 97 settings.success = function(){ syncedData[ pos ].success = arguments; };
bgneal@45 98 settings.complete = function(){
bgneal@45 99 syncedData[ pos ].complete = arguments;
bgneal@45 100 synced[ pos ].done = true;
bgneal@45 101
bgneal@45 102 if ( pos == 0 || !synced[ pos-1 ] )
bgneal@45 103 for ( var i = pos; i < synced.length && synced[i].done; i++ ) {
bgneal@45 104 if ( synced[i].error ) synced[i].error.apply( jQuery, syncedData[i].error );
bgneal@45 105 if ( synced[i].success ) synced[i].success.apply( jQuery, syncedData[i].success );
bgneal@45 106 if ( synced[i].complete ) synced[i].complete.apply( jQuery, syncedData[i].complete );
bgneal@45 107
bgneal@45 108 synced[i] = null;
bgneal@45 109 syncedData[i] = null;
bgneal@45 110 }
bgneal@45 111 };
bgneal@45 112 }
bgneal@45 113 return ajax.apply(this, arguments);
bgneal@45 114 };
bgneal@45 115
bgneal@45 116 })(jQuery);