|
| 1 | +/** |
| 2 | + * Ajax Queue Plugin |
| 3 | + * |
| 4 | + * Homepage: http://jquery.com/plugins/project/ajaxqueue |
| 5 | + * Documentation: http://docs.jquery.com/AjaxQueue |
| 6 | + */ |
| 7 | + |
| 8 | +/** |
| 9 | +
|
| 10 | +<script> |
| 11 | +$(function(){ |
| 12 | + jQuery.ajaxQueue({ |
| 13 | + url: "test.php", |
| 14 | + success: function(html){ jQuery("ul").append(html); } |
| 15 | + }); |
| 16 | + jQuery.ajaxQueue({ |
| 17 | + url: "test.php", |
| 18 | + success: function(html){ jQuery("ul").append(html); } |
| 19 | + }); |
| 20 | + jQuery.ajaxSync({ |
| 21 | + url: "test.php", |
| 22 | + success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); } |
| 23 | + }); |
| 24 | + jQuery.ajaxSync({ |
| 25 | + url: "test.php", |
| 26 | + success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); } |
| 27 | + }); |
| 28 | +}); |
| 29 | +</script> |
| 30 | +<ul style="position: absolute; top: 5px; right: 5px;"></ul> |
| 31 | +
|
| 32 | + */ |
| 33 | +/* |
| 34 | + * Queued Ajax requests. |
| 35 | + * A new Ajax request won't be started until the previous queued |
| 36 | + * request has finished. |
| 37 | + */ |
| 38 | + |
| 39 | +/* |
| 40 | + * Synced Ajax requests. |
| 41 | + * The Ajax request will happen as soon as you call this method, but |
| 42 | + * the callbacks (success/error/complete) won't fire until all previous |
| 43 | + * synced requests have been completed. |
| 44 | + */ |
| 45 | + |
| 46 | + |
| 47 | +(function(jQuery) { |
| 48 | + |
| 49 | + var ajax = jQuery.ajax; |
| 50 | + |
| 51 | + var pendingRequests = {}; |
| 52 | + |
| 53 | + var synced = []; |
| 54 | + var syncedData = []; |
| 55 | + |
| 56 | + jQuery.ajax = function(settings) { |
| 57 | + // create settings for compatibility with ajaxSetup |
| 58 | + settings = jQuery.extend(settings, jQuery.extend({}, jQuery.ajaxSettings, settings)); |
| 59 | + |
| 60 | + var port = settings.port; |
| 61 | + |
| 62 | + switch(settings.mode) { |
| 63 | + case "abort": |
| 64 | + if ( pendingRequests[port] ) { |
| 65 | + pendingRequests[port].abort(); |
| 66 | + } |
| 67 | + return pendingRequests[port] = ajax.apply(this, arguments); |
| 68 | + case "queue": |
| 69 | + var _old = settings.complete; |
| 70 | + settings.complete = function(){ |
| 71 | + if ( _old ) |
| 72 | + _old.apply( this, arguments ); |
| 73 | + jQuery([ajax]).dequeue("ajax" + port );; |
| 74 | + }; |
| 75 | + |
| 76 | + jQuery([ ajax ]).queue("ajax" + port, function(){ |
| 77 | + ajax( settings ); |
| 78 | + }); |
| 79 | + return; |
| 80 | + case "sync": |
| 81 | + var pos = synced.length; |
| 82 | + |
| 83 | + synced[ pos ] = { |
| 84 | + error: settings.error, |
| 85 | + success: settings.success, |
| 86 | + complete: settings.complete, |
| 87 | + done: false |
| 88 | + }; |
| 89 | + |
| 90 | + syncedData[ pos ] = { |
| 91 | + error: [], |
| 92 | + success: [], |
| 93 | + complete: [] |
| 94 | + }; |
| 95 | + |
| 96 | + settings.error = function(){ syncedData[ pos ].error = arguments; }; |
| 97 | + settings.success = function(){ syncedData[ pos ].success = arguments; }; |
| 98 | + settings.complete = function(){ |
| 99 | + syncedData[ pos ].complete = arguments; |
| 100 | + synced[ pos ].done = true; |
| 101 | + |
| 102 | + if ( pos == 0 || !synced[ pos-1 ] ) |
| 103 | + for ( var i = pos; i < synced.length && synced[i].done; i++ ) { |
| 104 | + if ( synced[i].error ) synced[i].error.apply( jQuery, syncedData[i].error ); |
| 105 | + if ( synced[i].success ) synced[i].success.apply( jQuery, syncedData[i].success ); |
| 106 | + if ( synced[i].complete ) synced[i].complete.apply( jQuery, syncedData[i].complete ); |
| 107 | + |
| 108 | + synced[i] = null; |
| 109 | + syncedData[i] = null; |
| 110 | + } |
| 111 | + }; |
| 112 | + } |
| 113 | + return ajax.apply(this, arguments); |
| 114 | + }; |
| 115 | + |
| 116 | +})((typeof window.jQuery == 'undefined' && typeof window.django != 'undefined') |
| 117 | + ? django.jQuery |
| 118 | + : jQuery |
| 119 | +); |
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