view release on metacpan or  search on metacpan

share/public/js/base/jquery.form.js  view on Meta::CPAN

		url:  url,
		type: this[0].getAttribute('method') || 'GET', // IE7 massage (see issue 57)
		iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank'
	}, options);

	// hook for manipulating the form data before it is extracted;
	// convenient for use with rich editors like tinyMCE or FCKEditor
	var veto = {};
	this.trigger('form-pre-serialize', [this, options, veto]);
	if (veto.veto) {
		log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');
		return this;
	}

	// provide opportunity to alter form data before it is serialized
	if (options.beforeSerialize && options.beforeSerialize(this, options) === false) {
		log('ajaxSubmit: submit aborted via beforeSerialize callback');
		return this;
	}

	var n,v,a = this.formToArray(options.semantic);
	if (options.data) {
		options.extraData = options.data;
		for (n in options.data) {
			if(options.data[n] instanceof Array) {
				for (var k in options.data[n]) {
					a.push( { name: n, value: options.data[n][k] } );
				}
			}
			else {
				v = options.data[n];
				v = $.isFunction(v) ? v() : v; // if value is fn, invoke it
				a.push( { name: n, value: v } );
			}
		}
	}

	// give pre-submit callback an opportunity to abort the submit
	if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) {
		log('ajaxSubmit: submit aborted via beforeSubmit callback');
		return this;
	}

	// fire vetoable 'validate' event
	this.trigger('form-submit-validate', [a, this, options, veto]);
	if (veto.veto) {
		log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
		return this;
	}

	var q = $.param(a);

	if (options.type.toUpperCase() == 'GET') {
		options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;
		options.data = null;  // data is null for 'get'
	}
	else {
		options.data = q; // data is the query string for 'post'
	}

	var $form = this, callbacks = [];
	if (options.resetForm) {
		callbacks.push(function() { $form.resetForm(); });
	}
	if (options.clearForm) {
		callbacks.push(function() { $form.clearForm(); });
	}

	// perform a load on the target only if dataType is not provided
	if (!options.dataType && options.target) {
		var oldSuccess = options.success || function(){};
		callbacks.push(function(data) {
			var fn = options.replaceTarget ? 'replaceWith' : 'html';
			$(options.target)[fn](data).each(oldSuccess, arguments);
		});
	}
	else if (options.success) {
		callbacks.push(options.success);
	}

	options.success = function(data, status, xhr) { // jQuery 1.4+ passes xhr as 3rd arg
		var context = options.context || options;   // jQuery 1.4+ supports scope context 
		for (var i=0, max=callbacks.length; i < max; i++) {
			callbacks[i].apply(context, [data, status, xhr || $form, $form]);
		}
	};

	// are there files to upload?
	var fileInputs = $('input:file', this).length > 0;
	var mp = 'multipart/form-data';
	var multipart = ($form.attr('enctype') == mp || $form.attr('encoding') == mp);

	// options.iframe allows user to force iframe mode
	// 06-NOV-09: now defaulting to iframe mode if file input is detected
   if (options.iframe !== false && (fileInputs || options.iframe || multipart)) {
	   // hack to fix Safari hang (thanks to Tim Molendijk for this)
	   // see:  http://groups.google.com/group/jquery-dev/browse_thread/thread/36395b7ab510dd5d
	   if (options.closeKeepAlive) {
		   $.get(options.closeKeepAlive, fileUpload);
		}
	   else {
		   fileUpload();
		}
   }
   else {
		$.ajax(options);
   }

	// fire 'notify' event
	this.trigger('form-submit-notify', [this, options]);
	return this;


	// private function for handling file uploads (hat tip to YAHOO!)
	function fileUpload() {
		var form = $form[0];

		if ($(':input[name=submit],:input[id=submit]', form).length) {
			// if there is an input with a name or id of 'submit' then we won't be
			// able to invoke the submit fn on the form (at least not x-browser)
			alert('Error: Form elements must not have name or id of "submit".');
			return;
		}
		
		var s = $.extend(true, {}, $.ajaxSettings, options);
		s.context = s.context || s;
		var id = 'jqFormIO' + (new Date().getTime()), fn = '_'+id;
		var $io = $('<iframe id="' + id + '" name="' + id + '" src="'+ s.iframeSrc +'" />');
		var io = $io[0];

		$io.css({ position: 'absolute', top: '-1000px', left: '-1000px' });

		var xhr = { // mock object
			aborted: 0,
			responseText: null,
			responseXML: null,
			status: 0,
			statusText: 'n/a',
			getAllResponseHeaders: function() {},
			getResponseHeader: function() {},
			setRequestHeader: function() {},
			abort: function() {
				this.aborted = 1;
				$io.attr('src', s.iframeSrc); // abort op in progress

share/public/js/base/jquery.form.js  view on Meta::CPAN

				log('isXml='+isXml);
				if (!isXml && window.opera && (doc.body == null || doc.body.innerHTML == '')) {
					if (--domCheckCount) {
						// in some browsers (Opera) the iframe DOM is not always traversable when
						// the onload callback fires, so we loop a bit to accommodate
						log('requeing onLoad callback, DOM not available');
						setTimeout(cb, 250);
						return;
					}
					// let this fall through because server response could be an empty document
					//log('Could not access iframe DOM after mutiple tries.');
					//throw 'DOMException: not available';
				}

				//log('response detected');
				xhr.responseText = doc.body ? doc.body.innerHTML : doc.documentElement ? doc.documentElement.innerHTML : null; 
				xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
				xhr.getResponseHeader = function(header){
					var headers = {'content-type': s.dataType};
					return headers[header];
				};

				var scr = /(json|script)/.test(s.dataType);
				if (scr || s.textarea) {
					// see if user embedded response in textarea
					var ta = doc.getElementsByTagName('textarea')[0];
					if (ta) {
						xhr.responseText = ta.value;
					}
					else if (scr) {
						// account for browsers injecting pre around json response
						var pre = doc.getElementsByTagName('pre')[0];
						var b = doc.getElementsByTagName('body')[0];
						if (pre) {
							xhr.responseText = pre.textContent;
						}
						else if (b) {
							xhr.responseText = b.innerHTML;
						}
					}			  
				}
				else if (s.dataType == 'xml' && !xhr.responseXML && xhr.responseText != null) {
					xhr.responseXML = toXml(xhr.responseText);
				}
				
				data = httpData(xhr, s.dataType, s);
			}
			catch(e){
				log('error caught:',e);
				ok = false;
				xhr.error = e;
				s.error.call(s.context, xhr, 'error', e);
				g && $.event.trigger("ajaxError", [xhr, s, e]);
			}
			
			if (xhr.aborted) {
				log('upload aborted');
				ok = false;
			}

			// ordering of these callbacks/triggers is odd, but that's how $.ajax does it
			if (ok) {
				s.success.call(s.context, data, 'success', xhr);
				g && $.event.trigger("ajaxSuccess", [xhr, s]);
			}
			
			g && $.event.trigger("ajaxComplete", [xhr, s]);

			if (g && ! --$.active) {
				$.event.trigger("ajaxStop");
			}
			
			s.complete && s.complete.call(s.context, xhr, ok ? 'success' : 'error');

			// clean up
			setTimeout(function() {
				$io.removeData('form-plugin-onload');
				$io.remove();
				xhr.responseXML = null;
			}, 100);
		}

		var toXml = $.parseXML || function(s, doc) { // use parseXML if available (jQuery 1.5+)
			if (window.ActiveXObject) {
				doc = new ActiveXObject('Microsoft.XMLDOM');
				doc.async = 'false';
				doc.loadXML(s);
			}
			else {
				doc = (new DOMParser()).parseFromString(s, 'text/xml');
			}
			return (doc && doc.documentElement && doc.documentElement.nodeName != 'parsererror') ? doc : null;
		};
		var parseJSON = $.parseJSON || function(s) {
			return window['eval']('(' + s + ')');
		};
		
		var httpData = function( xhr, type, s ) { // mostly lifted from jq1.4.4
			var ct = xhr.getResponseHeader('content-type') || '',
				xml = type === 'xml' || !type && ct.indexOf('xml') >= 0,
				data = xml ? xhr.responseXML : xhr.responseText;

			if (xml && data.documentElement.nodeName === 'parsererror') {
				$.error && $.error('parsererror');
			}
			if (s && s.dataFilter) {
				data = s.dataFilter(data, type);
			}
			if (typeof data === 'string') {
				if (type === 'json' || !type && ct.indexOf('json') >= 0) {
					data = parseJSON(data);
				} else if (type === "script" || !type && ct.indexOf("javascript") >= 0) {
					$.globalEval(data);
				}
			}
			return data;
		};
	}
};

/**