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authorpatdenice <patdenice@piwigo.org>2011-03-30 08:48:20 +0000
committerpatdenice <patdenice@piwigo.org>2011-03-30 08:48:20 +0000
commit220980cc04dc19117f89cb5850692d3641e2d864 (patch)
tree224371c6416eb8e852a5cde2e0e925fb813fdc03 /themes/default/js/plugins
parent1ab138e7317ad80b128ec9d8819a3c70ca0469fd (diff)
Add ajaxmanager plugin.
git-svn-id: http://piwigo.org/svn/trunk@9933 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'themes/default/js/plugins')
-rw-r--r--themes/default/js/plugins/jquery.ajaxmanager.js342
1 files changed, 342 insertions, 0 deletions
diff --git a/themes/default/js/plugins/jquery.ajaxmanager.js b/themes/default/js/plugins/jquery.ajaxmanager.js
new file mode 100644
index 000000000..9c99df670
--- /dev/null
+++ b/themes/default/js/plugins/jquery.ajaxmanager.js
@@ -0,0 +1,342 @@
+/**!
+ * project-site: http://plugins.jquery.com/project/AjaxManager
+ * repository: http://github.com/aFarkas/Ajaxmanager
+ * @author Alexander Farkas
+ * @version 3.12
+ * Copyright 2010, Alexander Farkas
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ */
+
+(function($){
+ "use strict";
+ var managed = {},
+ cache = {}
+ ;
+ $.manageAjax = (function(){
+ function create(name, opts){
+ managed[name] = new $.manageAjax._manager(name, opts);
+ return managed[name];
+ }
+
+ function destroy(name){
+ if(managed[name]){
+ managed[name].clear(true);
+ delete managed[name];
+ }
+ }
+
+
+ var publicFns = {
+ create: create,
+ destroy: destroy
+ };
+
+ return publicFns;
+ })();
+
+ $.manageAjax._manager = function(name, opts){
+ this.requests = {};
+ this.inProgress = 0;
+ this.name = name;
+ this.qName = name;
+
+ this.opts = $.extend({}, $.manageAjax.defaults, opts);
+ if(opts && opts.queue && opts.queue !== true && typeof opts.queue === 'string' && opts.queue !== 'clear'){
+ this.qName = opts.queue;
+ }
+ };
+
+ $.manageAjax._manager.prototype = {
+ add: function(url, o){
+ if(typeof url == 'object'){
+ o = url;
+ } else if(typeof url == 'string'){
+ o = $.extend(o || {}, {url: url});
+ }
+ o = $.extend({}, this.opts, o);
+
+ var origCom = o.complete || $.noop,
+ origSuc = o.success || $.noop,
+ beforeSend = o.beforeSend || $.noop,
+ origError = o.error || $.noop,
+ strData = (typeof o.data == 'string') ? o.data : $.param(o.data || {}),
+ xhrID = o.type + o.url + strData,
+ that = this,
+ ajaxFn = this._createAjax(xhrID, o, origSuc, origCom)
+ ;
+ if(o.preventDoubleRequests && o.queueDuplicateRequests){
+ if(o.preventDoubleRequests){
+ o.queueDuplicateRequests = false;
+ }
+ setTimeout(function(){
+ throw("preventDoubleRequests and queueDuplicateRequests can't be both true");
+ }, 0);
+ }
+ if(this.requests[xhrID] && o.preventDoubleRequests){
+ return;
+ }
+ ajaxFn.xhrID = xhrID;
+ o.xhrID = xhrID;
+
+ o.beforeSend = function(xhr, opts){
+ var ret = beforeSend.call(this, xhr, opts);
+ if(ret === false){
+ that._removeXHR(xhrID);
+ }
+ xhr = null;
+ return ret;
+ };
+ o.complete = function(xhr, status){
+ that._complete.call(that, this, origCom, xhr, status, xhrID, o);
+ xhr = null;
+ };
+
+ o.success = function(data, status, xhr){
+ that._success.call(that, this, origSuc, data, status, xhr, o);
+ xhr = null;
+ };
+
+ //always add some error callback
+ o.error = function(ahr, status, errorStr){
+ var httpStatus = '',
+ content = ''
+ ;
+ if(status !== 'timeout' && ahr){
+ httpStatus = ahr.status;
+ content = ahr.responseXML || ahr.responseText;
+ }
+ if(origError) {
+ origError.call(this, ahr, status, errorStr, o);
+ } else {
+ setTimeout(function(){
+ throw status + '| status: ' + httpStatus + ' | URL: ' + o.url + ' | data: '+ strData + ' | thrown: '+ errorStr + ' | response: '+ content;
+ }, 0);
+ }
+ ahr = null;
+ };
+
+ if(o.queue === 'clear'){
+ $(document).clearQueue(this.qName);
+ }
+
+ if(o.queue || (o.queueDuplicateRequests && this.requests[xhrID])){
+ $.queue(document, this.qName, ajaxFn);
+ if(this.inProgress < o.maxRequests && (!this.requests[xhrID] || !o.queueDuplicateRequests)){
+ $.dequeue(document, this.qName);
+ }
+ return xhrID;
+ }
+ return ajaxFn();
+ },
+ _createAjax: function(id, o, origSuc, origCom){
+ var that = this;
+ return function(){
+ if(o.beforeCreate.call(o.context || that, id, o) === false){return;}
+ that.inProgress++;
+ if(that.inProgress === 1){
+ $.event.trigger(that.name +'AjaxStart');
+ }
+ if(o.cacheResponse && cache[id]){
+ if(!cache[id].cacheTTL || cache[id].cacheTTL < 0 || ((new Date().getTime() - cache[id].timestamp) < cache[id].cacheTTL)){
+ that.requests[id] = {};
+ setTimeout(function(){
+ that._success.call(that, o.context || o, origSuc, cache[id]._successData, 'success', cache[id], o);
+ that._complete.call(that, o.context || o, origCom, cache[id], 'success', id, o);
+ }, 0);
+ } else {
+ delete cache[id];
+ }
+ }
+ if(!o.cacheResponse || !cache[id]) {
+ if (o.async) {
+ that.requests[id] = $.ajax(o);
+ } else {
+ $.ajax(o);
+ }
+ }
+ return id;
+ };
+ },
+ _removeXHR: function(xhrID){
+ if(this.opts.queue || this.opts.queueDuplicateRequests){
+ $.dequeue(document, this.qName);
+ }
+ this.inProgress--;
+ this.requests[xhrID] = null;
+ delete this.requests[xhrID];
+ },
+ clearCache: function () {
+ cache = {};
+ },
+ _isAbort: function(xhr, status, o){
+ if(!o.abortIsNoSuccess || (!xhr && !status)){
+ return false;
+ }
+ var ret = !!( ( !xhr || xhr.readyState === 0 || this.lastAbort === o.xhrID ) );
+ xhr = null;
+ return ret;
+ },
+ _complete: function(context, origFn, xhr, status, xhrID, o){
+ if(this._isAbort(xhr, status, o)){
+ status = 'abort';
+ o.abort.call(context, xhr, status, o);
+ }
+ origFn.call(context, xhr, status, o);
+
+ $.event.trigger(this.name +'AjaxComplete', [xhr, status, o]);
+
+ if(o.domCompleteTrigger){
+ $(o.domCompleteTrigger)
+ .trigger(this.name +'DOMComplete', [xhr, status, o])
+ .trigger('DOMComplete', [xhr, status, o])
+ ;
+ }
+
+ this._removeXHR(xhrID);
+ if(!this.inProgress){
+ $.event.trigger(this.name +'AjaxStop');
+ }
+ xhr = null;
+ },
+ _success: function(context, origFn, data, status, xhr, o){
+ var that = this;
+ if(this._isAbort(xhr, status, o)){
+ xhr = null;
+ return;
+ }
+ if(o.abortOld){
+ $.each(this.requests, function(name){
+ if(name === o.xhrID){
+ return false;
+ }
+ that.abort(name);
+ });
+ }
+ if(o.cacheResponse && !cache[o.xhrID]){
+ if(!xhr){
+ xhr = {};
+ }
+ cache[o.xhrID] = {
+ status: xhr.status,
+ statusText: xhr.statusText,
+ responseText: xhr.responseText,
+ responseXML: xhr.responseXML,
+ _successData: data,
+ cacheTTL: o.cacheTTL,
+ timestamp: new Date().getTime()
+ };
+ if('getAllResponseHeaders' in xhr){
+ var responseHeaders = xhr.getAllResponseHeaders();
+ var parsedHeaders;
+ var parseHeaders = function(){
+ if(parsedHeaders){return;}
+ parsedHeaders = {};
+ $.each(responseHeaders.split("\n"), function(i, headerLine){
+ var delimiter = headerLine.indexOf(":");
+ parsedHeaders[headerLine.substr(0, delimiter)] = headerLine.substr(delimiter + 2);
+ });
+ };
+ $.extend(cache[o.xhrID], {
+ getAllResponseHeaders: function() {return responseHeaders;},
+ getResponseHeader: function(name) {
+ parseHeaders();
+ return (name in parsedHeaders) ? parsedHeaders[name] : null;
+ }
+ });
+ }
+ }
+ origFn.call(context, data, status, xhr, o);
+ $.event.trigger(this.name +'AjaxSuccess', [xhr, o, data]);
+ if(o.domSuccessTrigger){
+ $(o.domSuccessTrigger)
+ .trigger(this.name +'DOMSuccess', [data, o])
+ .trigger('DOMSuccess', [data, o])
+ ;
+ }
+ xhr = null;
+ },
+ getData: function(id){
+ if( id ){
+ var ret = this.requests[id];
+ if(!ret && this.opts.queue) {
+ ret = $.grep($(document).queue(this.qName), function(fn, i){
+ return (fn.xhrID === id);
+ })[0];
+ }
+ return ret;
+ }
+ return {
+ requests: this.requests,
+ queue: (this.opts.queue) ? $(document).queue(this.qName) : [],
+ inProgress: this.inProgress
+ };
+ },
+ abort: function(id){
+ var xhr;
+ if(id){
+ xhr = this.getData(id);
+
+ if(xhr && xhr.abort){
+ this.lastAbort = id;
+ xhr.abort();
+ this.lastAbort = false;
+ } else {
+ $(document).queue(
+ this.qName, $.grep($(document).queue(this.qName), function(fn, i){
+ return (fn !== xhr);
+ })
+ );
+ }
+ xhr = null;
+ return;
+ }
+
+ var that = this,
+ ids = []
+ ;
+ $.each(this.requests, function(id){
+ ids.push(id);
+ });
+ $.each(ids, function(i, id){
+ that.abort(id);
+ });
+ },
+ clear: function(shouldAbort){
+ $(document).clearQueue(this.qName);
+ if(shouldAbort){
+ this.abort();
+ }
+ }
+ };
+ $.manageAjax._manager.prototype.getXHR = $.manageAjax._manager.prototype.getData;
+ $.manageAjax.defaults = {
+ beforeCreate: $.noop,
+ abort: $.noop,
+ abortIsNoSuccess: true,
+ maxRequests: 1,
+ cacheResponse: false,
+ async: true,
+ domCompleteTrigger: false,
+ domSuccessTrigger: false,
+ preventDoubleRequests: true,
+ queueDuplicateRequests: false,
+ cacheTTL: -1,
+ queue: false // true, false, clear
+ };
+
+ $.each($.manageAjax._manager.prototype, function(n, fn){
+ if(n.indexOf('_') === 0 || !$.isFunction(fn)){return;}
+ $.manageAjax[n] = function(name, o){
+ if(!managed[name]){
+ if(n === 'add'){
+ $.manageAjax.create(name, o);
+ } else {
+ return;
+ }
+ }
+ var args = Array.prototype.slice.call(arguments, 1);
+ managed[name][n].apply(managed[name], args);
+ };
+ });
+
+})(jQuery); \ No newline at end of file