Diffstat (limited to 'frontend/gamma/js/Zepto/ajax.js') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | frontend/gamma/js/Zepto/ajax.js | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/frontend/gamma/js/Zepto/ajax.js b/frontend/gamma/js/Zepto/ajax.js new file mode 100644 index 0000000..f4da150 --- a/dev/null +++ b/frontend/gamma/js/Zepto/ajax.js @@ -0,0 +1,285 @@ +// Zepto.js +// (c) 2010-2012 Thomas Fuchs +// Zepto.js may be freely distributed under the MIT license. + +;(function($){ + var jsonpID = 0, + isObject = $.isObject, + document = window.document, + key, + name, + rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi, + scriptTypeRE = /^(?:text|application)\/javascript/i, + xmlTypeRE = /^(?:text|application)\/xml/i, + jsonType = 'application/json', + htmlType = 'text/html', + blankRE = /^\s*$/ + + // trigger a custom event and return false if it was cancelled + function triggerAndReturn(context, eventName, data) { + var event = $.Event(eventName) + $(context).trigger(event, data) + return !event.defaultPrevented + } + + // trigger an Ajax "global" event + function triggerGlobal(settings, context, eventName, data) { + if (settings.global) return triggerAndReturn(context || document, eventName, data) + } + + // Number of active Ajax requests + $.active = 0 + + function ajaxStart(settings) { + if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart') + } + function ajaxStop(settings) { + if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop') + } + + // triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable + function ajaxBeforeSend(xhr, settings) { + var context = settings.context + if (settings.beforeSend.call(context, xhr, settings) === false || + triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false) + return false + + triggerGlobal(settings, context, 'ajaxSend', [xhr, settings]) + } + function ajaxSuccess(data, xhr, settings) { + var context = settings.context, status = 'success' + settings.success.call(context, data, status, xhr) + triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data]) + ajaxComplete(status, xhr, settings) + } + // type: "timeout", "error", "abort", "parsererror" + function ajaxError(error, type, xhr, settings) { + var context = settings.context + settings.error.call(context, xhr, type, error) + triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error]) + ajaxComplete(type, xhr, settings) + } + // status: "success", "notmodified", "error", "timeout", "abort", "parsererror" + function ajaxComplete(status, xhr, settings) { + var context = settings.context + settings.complete.call(context, xhr, status) + triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings]) + ajaxStop(settings) + } + + // Empty function, used as default callback + function empty() {} + + $.ajaxJSONP = function(options){ + if (!('type' in options)) return $.ajax(options) + + var callbackName = 'jsonp' + (++jsonpID), + script = document.createElement('script'), + abort = function(){ + $(script).remove() + if (callbackName in window) window[callbackName] = empty + ajaxComplete('abort', xhr, options) + }, + xhr = { abort: abort }, abortTimeout + + if (options.error) script.onerror = function() { + xhr.abort() + options.error() + } + + window[callbackName] = function(data){ + clearTimeout(abortTimeout) + $(script).remove() + delete window[callbackName] + ajaxSuccess(data, xhr, options) + } + + serializeData(options) + script.src = options.url.replace(/=\?/, '=' + callbackName) + $('head').append(script) + + if (options.timeout > 0) abortTimeout = setTimeout(function(){ + xhr.abort() + ajaxComplete('timeout', xhr, options) + }, options.timeout) + + return xhr + } + + $.ajaxSettings = { + // Default type of request + type: 'GET', + // Callback that is executed before request + beforeSend: empty, + // Callback that is executed if the request succeeds + success: empty, + // Callback that is executed the the server drops error + error: empty, + // Callback that is executed on request complete (both: error and success) + complete: empty, + // The context for the callbacks + context: null, + // Whether to trigger "global" Ajax events + global: true, + // Transport + xhr: function () { + return new window.XMLHttpRequest() + }, + // MIME types mapping + accepts: { + script: 'text/javascript, application/javascript', + json: jsonType, + xml: 'application/xml, text/xml', + html: htmlType, + text: 'text/plain' + }, + // Whether the request is to another domain + crossDomain: false, + // Default timeout + timeout: 0, + // Whether data should be serialized to string + processData: true + } + + function mimeToDataType(mime) { + return mime && ( mime == htmlType ? 'html' : + mime == jsonType ? 'json' : + scriptTypeRE.test(mime) ? 'script' : + xmlTypeRE.test(mime) && 'xml' ) || 'text' + } + + function appendQuery(url, query) { + return (url + '&' + query).replace(/[&?]{1,2}/, '?') + } + + // serialize payload and append it to the URL for GET requests + function serializeData(options) { + if (options.processData && isObject(options.data)) + options.data = $.param(options.data, options.traditional) + if (options.data && (!options.type || options.type.toUpperCase() == 'GET')) + options.url = appendQuery(options.url, options.data) + } + + $.ajax = function(options){ + var settings = $.extend({}, options || {}) + for (key in $.ajaxSettings) if (settings[key] === undefined) settings[key] = $.ajaxSettings[key] + + ajaxStart(settings) + + if (!settings.crossDomain) settings.crossDomain = /^([\w-]+:)?\/\/([^\/]+)/.test(settings.url) && + RegExp.$2 != window.location.host + + var dataType = settings.dataType, hasPlaceholder = /=\?/.test(settings.url) + if (dataType == 'jsonp' || hasPlaceholder) { + if (!hasPlaceholder) settings.url = appendQuery(settings.url, 'callback=?') + return $.ajaxJSONP(settings) + } + + if (!settings.url) settings.url = window.location.toString() + serializeData(settings) + + var mime = settings.accepts[dataType], + baseHeaders = { }, + protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1 : window.location.protocol, + xhr = $.ajaxSettings.xhr(), abortTimeout + + if (!settings.crossDomain) baseHeaders['X-Requested-With'] = 'XMLHttpRequest' + if (mime) { + baseHeaders['Accept'] = mime + if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0] + xhr.overrideMimeType && xhr.overrideMimeType(mime) + } + if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET')) + baseHeaders['Content-Type'] = (settings.contentType || 'application/x-www-form-urlencoded') + settings.headers = $.extend(baseHeaders, settings.headers || {}) + + xhr.onreadystatechange = function(){ + if (xhr.readyState == 4) { + xhr.onreadystatechange = empty; + clearTimeout(abortTimeout) + var result, error = false + if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) { + dataType = dataType || mimeToDataType(xhr.getResponseHeader('content-type')) + result = xhr.responseText + + try { + if (dataType == 'script') (1,eval)(result) + else if (dataType == 'xml') result = xhr.responseXML + else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result) + } catch (e) { error = e } + + if (error) ajaxError(error, 'parsererror', xhr, settings) + else ajaxSuccess(result, xhr, settings) + } else { + ajaxError(null, xhr.status ? 'error' : 'abort', xhr, settings) + } + } + } + + var async = 'async' in settings ? settings.async : true + xhr.open(settings.type, settings.url, async) + + for (name in settings.headers) xhr.setRequestHeader(name, settings.headers[name]) + + if (ajaxBeforeSend(xhr, settings) === false) { + xhr.abort() + return false + } + + if (settings.timeout > 0) abortTimeout = setTimeout(function(){ + xhr.onreadystatechange = empty + xhr.abort() + ajaxError(null, 'timeout', xhr, settings) + }, settings.timeout) + + // avoid sending empty string (#319) + xhr.send(settings.data ? settings.data : null) + return xhr + } + + $.get = function(url, success){ return $.ajax({ url: url, success: success }) } + + $.post = function(url, data, success, dataType){ + if ($.isFunction(data)) dataType = dataType || success, success = data, data = null + return $.ajax({ type: 'POST', url: url, data: data, success: success, dataType: dataType }) + } + + $.getJSON = function(url, success){ + return $.ajax({ url: url, success: success, dataType: 'json' }) + } + + $.fn.load = function(url, success){ + if (!this.length) return this + var self = this, parts = url.split(/\s/), selector + if (parts.length > 1) url = parts[0], selector = parts[1] + $.get(url, function(response){ + self.html(selector ? + $('<div>').html(response.replace(rscript, "")).find(selector) + : response) + success && success.apply(self, arguments) + }) + return this + } + + var escape = encodeURIComponent + + function serialize(params, obj, traditional, scope){ + var array = $.isArray(obj) + $.each(obj, function(key, value) { + if (scope) key = traditional ? scope : scope + '[' + (array ? '' : key) + ']' + // handle data in serializeArray() format + if (!scope && array) params.add(value.name, value.value) + // recurse into nested objects + else if (traditional ? $.isArray(value) : isObject(value)) + serialize(params, value, traditional, key) + else params.add(key, value) + }) + } + + $.param = function(obj, traditional){ + var params = [] + params.add = function(k, v){ this.push(escape(k) + '=' + escape(v)) } + serialize(params, obj, traditional) + return params.join('&').replace(/%20/g, '+') + } +})(Zepto) |