116 lines
2.8 KiB
JavaScript
116 lines
2.8 KiB
JavaScript
/**
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* Ajax Queue Plugin
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*
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* Homepage: http://jquery.com/plugins/project/ajaxqueue
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* Documentation: http://docs.jquery.com/AjaxQueue
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*/
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/**
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<script>
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$(function(){
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jQuery.ajaxQueue({
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url: "test.php",
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success: function(html){ jQuery("ul").append(html); }
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});
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jQuery.ajaxQueue({
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url: "test.php",
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success: function(html){ jQuery("ul").append(html); }
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});
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jQuery.ajaxSync({
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url: "test.php",
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success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
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});
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jQuery.ajaxSync({
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url: "test.php",
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success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
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});
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});
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</script>
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<ul style="position: absolute; top: 5px; right: 5px;"></ul>
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*/
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/*
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* Queued Ajax requests.
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* A new Ajax request won't be started until the previous queued
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* request has finished.
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*/
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/*
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* Synced Ajax requests.
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* The Ajax request will happen as soon as you call this method, but
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* the callbacks (success/error/complete) won't fire until all previous
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* synced requests have been completed.
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*/
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(function($) {
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var ajax = $.ajax;
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var pendingRequests = {};
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var synced = [];
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var syncedData = [];
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$.ajax = function(settings) {
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// create settings for compatibility with ajaxSetup
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settings = jQuery.extend(settings, jQuery.extend({}, jQuery.ajaxSettings, settings));
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var port = settings.port;
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switch(settings.mode) {
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case "abort":
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if ( pendingRequests[port] ) {
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pendingRequests[port].abort();
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}
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return pendingRequests[port] = ajax.apply(this, arguments);
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case "queue":
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var _old = settings.complete;
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settings.complete = function(){
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if ( _old )
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_old.apply( this, arguments );
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jQuery([ajax]).dequeue("ajax" + port );;
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};
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jQuery([ ajax ]).queue("ajax" + port, function(){
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ajax( settings );
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});
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return;
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case "sync":
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var pos = synced.length;
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synced[ pos ] = {
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error: settings.error,
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success: settings.success,
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complete: settings.complete,
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done: false
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};
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syncedData[ pos ] = {
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error: [],
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success: [],
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complete: []
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};
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settings.error = function(){ syncedData[ pos ].error = arguments; };
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settings.success = function(){ syncedData[ pos ].success = arguments; };
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settings.complete = function(){
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syncedData[ pos ].complete = arguments;
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synced[ pos ].done = true;
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if ( pos == 0 || !synced[ pos-1 ] )
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for ( var i = pos; i < synced.length && synced[i].done; i++ ) {
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if ( synced[i].error ) synced[i].error.apply( jQuery, syncedData[i].error );
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if ( synced[i].success ) synced[i].success.apply( jQuery, syncedData[i].success );
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if ( synced[i].complete ) synced[i].complete.apply( jQuery, syncedData[i].complete );
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synced[i] = null;
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syncedData[i] = null;
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}
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};
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}
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return ajax.apply(this, arguments);
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};
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})(jQuery); |