462 lines
15 KiB
JavaScript
462 lines
15 KiB
JavaScript
(function($) {
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$.fn.ajaxSubmit = function(options) {
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if (!this.length) {
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log('ajaxSubmit: skipping submit process - no element selected');
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return this;
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}
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if (typeof options == 'function')
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options = { success: options };
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options = $.extend({
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url: this.attr('action') || window.location.toString(),
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type: this.attr('method') || 'GET'
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}, options || {});
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var veto = {};
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this.trigger('form-pre-serialize', [this, options, veto]);
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if (veto.veto) {
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log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');
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return this;
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}
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if (options.beforeSerialize && options.beforeSerialize(this, options) === false) {
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log('ajaxSubmit: submit aborted via beforeSerialize callback');
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return this;
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}
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var a = this.formToArray(options.semantic);
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if (options.data) {
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options.extraData = options.data;
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for (var n in options.data) {
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if(options.data[n] instanceof Array) {
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for (var k in options.data[n])
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a.push( { name: n, value: options.data[n][k] } )
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}
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else
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a.push( { name: n, value: options.data[n] } );
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}
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}
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if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) {
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log('ajaxSubmit: submit aborted via beforeSubmit callback');
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return this;
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}
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this.trigger('form-submit-validate', [a, this, options, veto]);
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if (veto.veto) {
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log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
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return this;
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}
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var q = $.param(a);
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if (options.type.toUpperCase() == 'GET') {
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options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;
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options.data = null;
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}
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else
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options.data = q;
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var $form = this, callbacks = [];
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if (options.resetForm) callbacks.push(function() { $form.resetForm(); });
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if (options.clearForm) callbacks.push(function() { $form.clearForm(); });
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if (!options.dataType && options.target) {
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var oldSuccess = options.success || function(){};
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callbacks.push(function(data) {
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$(options.target).html(data).each(oldSuccess, arguments);
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});
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}
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else if (options.success)
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callbacks.push(options.success);
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options.success = function(data, status) {
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for (var i=0, max=callbacks.length; i < max; i++)
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callbacks[i].apply(options, [data, status, $form]);
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};
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var files = $('input:file', this).fieldValue();
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var found = false;
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for (var j=0; j < files.length; j++)
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if (files[j])
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found = true;
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if (options.iframe || found) {
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if ($.browser.safari && options.closeKeepAlive)
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$.get(options.closeKeepAlive, fileUpload);
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else
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fileUpload();
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}
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else
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$.ajax(options);
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this.trigger('form-submit-notify', [this, options]);
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return this;
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function fileUpload() {
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var form = $form[0];
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if ($(':input[@name=submit]', form).length) {
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alert('Error: Form elements must not be named "submit".');
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return;
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}
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var opts = $.extend({}, $.ajaxSettings, options);
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var s = jQuery.extend(true, {}, $.extend(true, {}, $.ajaxSettings), opts);
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var id = 'jqFormIO' + (new Date().getTime());
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var $io = $('<iframe id="' + id + '" name="' + id + '" />');
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var io = $io[0];
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if ($.browser.msie || $.browser.opera)
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io.src = 'javascript:false;document.write("");';
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$io.css({ position: 'absolute', top: '-1000px', left: '-1000px' });
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var xhr = {
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aborted: 0,
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responseText: null,
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responseXML: null,
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status: 0,
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statusText: 'n/a',
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getAllResponseHeaders: function() {},
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getResponseHeader: function() {},
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setRequestHeader: function() {},
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abort: function() {
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this.aborted = 1;
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$io.attr('src','about:blank');
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}
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};
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var g = opts.global;
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if (g && ! $.active++) $.event.trigger("ajaxStart");
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if (g) $.event.trigger("ajaxSend", [xhr, opts]);
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if (s.beforeSend && s.beforeSend(xhr, s) === false) {
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s.global && jQuery.active--;
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return;
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}
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if (xhr.aborted)
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return;
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var cbInvoked = 0;
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var timedOut = 0;
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var sub = form.clk;
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if (sub) {
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var n = sub.name;
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if (n && !sub.disabled) {
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options.extraData = options.extraData || {};
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options.extraData[n] = sub.value;
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if (sub.type == "image") {
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options.extraData[name+'.x'] = form.clk_x;
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options.extraData[name+'.y'] = form.clk_y;
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}
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}
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}
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setTimeout(function() {
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var t = $form.attr('target'), a = $form.attr('action');
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$form.attr({
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target: id,
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method: 'POST',
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action: opts.url
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});
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if (! options.skipEncodingOverride) {
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$form.attr({
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encoding: 'multipart/form-data',
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enctype: 'multipart/form-data'
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});
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}
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if (opts.timeout)
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setTimeout(function() { timedOut = true; cb(); }, opts.timeout);
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var extraInputs = [];
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try {
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if (options.extraData)
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for (var n in options.extraData)
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extraInputs.push(
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$('<input type="hidden" name="'+n+'" value="'+options.extraData[n]+'" />')
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.appendTo(form)[0]);
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$io.appendTo('body');
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io.attachEvent ? io.attachEvent('onload', cb) : io.addEventListener('load', cb, false);
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form.submit();
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}
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finally {
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$form.attr('action', a);
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t ? $form.attr('target', t) : $form.removeAttr('target');
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$(extraInputs).remove();
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}
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}, 10);
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function cb() {
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if (cbInvoked++) return;
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io.detachEvent ? io.detachEvent('onload', cb) : io.removeEventListener('load', cb, false);
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var operaHack = 0;
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var ok = true;
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try {
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if (timedOut) throw 'timeout';
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var data, doc;
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doc = io.contentWindow ? io.contentWindow.document : io.contentDocument ? io.contentDocument : io.document;
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if (doc.body == null && !operaHack && $.browser.opera) {
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operaHack = 1;
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cbInvoked--;
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setTimeout(cb, 100);
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return;
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}
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xhr.responseText = doc.body ? doc.body.innerHTML : null;
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xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
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xhr.getResponseHeader = function(header){
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var headers = {'content-type': opts.dataType};
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return headers[header];
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};
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if (opts.dataType == 'json' || opts.dataType == 'script') {
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var ta = doc.getElementsByTagName('textarea')[0];
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xhr.responseText = ta ? ta.value : xhr.responseText;
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}
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else if (opts.dataType == 'xml' && !xhr.responseXML && xhr.responseText != null) {
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xhr.responseXML = toXml(xhr.responseText);
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}
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data = $.httpData(xhr, opts.dataType);
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}
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catch(e){
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ok = false;
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$.handleError(opts, xhr, 'error', e);
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}
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if (ok) {
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opts.success(data, 'success');
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if (g) $.event.trigger("ajaxSuccess", [xhr, opts]);
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}
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if (g) $.event.trigger("ajaxComplete", [xhr, opts]);
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if (g && ! --$.active) $.event.trigger("ajaxStop");
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if (opts.complete) opts.complete(xhr, ok ? 'success' : 'error');
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// clean up
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setTimeout(function() {
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$io.remove();
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xhr.responseXML = null;
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}, 100);
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};
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function toXml(s, doc) {
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if (window.ActiveXObject) {
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doc = new ActiveXObject('Microsoft.XMLDOM');
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doc.async = 'false';
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doc.loadXML(s);
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}
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else
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doc = (new DOMParser()).parseFromString(s, 'text/xml');
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return (doc && doc.documentElement && doc.documentElement.tagName != 'parsererror') ? doc : null;
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};
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};
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};
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$.fn.ajaxForm = function(options) {
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return this.ajaxFormUnbind().bind('submit.form-plugin',function() {
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$(this).ajaxSubmit(options);
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return false;
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}).each(function() {
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$(":submit,input:image", this).bind('click.form-plugin',function(e) {
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var form = this.form;
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form.clk = this;
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if (this.type == 'image') {
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if (e.offsetX != undefined) {
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form.clk_x = e.offsetX;
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form.clk_y = e.offsetY;
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} else if (typeof $.fn.offset == 'function') { // try to use dimensions plugin
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var offset = $(this).offset();
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form.clk_x = e.pageX - offset.left;
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form.clk_y = e.pageY - offset.top;
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} else {
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form.clk_x = e.pageX - this.offsetLeft;
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form.clk_y = e.pageY - this.offsetTop;
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}
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}
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// clear form vars
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setTimeout(function() { form.clk = form.clk_x = form.clk_y = null; }, 10);
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});
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});
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};
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$.fn.ajaxFormUnbind = function() {
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this.unbind('submit.form-plugin');
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return this.each(function() {
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$(":submit,input:image", this).unbind('click.form-plugin');
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});
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};
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$.fn.formToArray = function(semantic) {
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var a = [];
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if (this.length == 0) return a;
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var form = this[0];
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var els = semantic ? form.getElementsByTagName('*') : form.elements;
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if (!els) return a;
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for(var i=0, max=els.length; i < max; i++) {
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var el = els[i];
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var n = el.name;
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if (!n) continue;
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if (semantic && form.clk && el.type == "image") {
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// handle image inputs on the fly when semantic == true
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if(!el.disabled && form.clk == el)
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a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
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continue;
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}
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var v = $.fieldValue(el, true);
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if (v && v.constructor == Array) {
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for(var j=0, jmax=v.length; j < jmax; j++)
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a.push({name: n, value: v[j]});
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}
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else if (v !== null && typeof v != 'undefined')
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a.push({name: n, value: v});
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}
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if (!semantic && form.clk) {
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// input type=='image' are not found in elements array! handle them here
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var inputs = form.getElementsByTagName("input");
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for(var i=0, max=inputs.length; i < max; i++) {
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var input = inputs[i];
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var n = input.name;
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if(n && !input.disabled && input.type == "image" && form.clk == input)
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a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
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}
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}
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return a;
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};
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$.fn.formSerialize = function(semantic) {
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return $.param(this.formToArray(semantic));
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};
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$.fn.fieldSerialize = function(successful) {
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var a = [];
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this.each(function() {
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var n = this.name;
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if (!n) return;
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var v = $.fieldValue(this, successful);
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if (v && v.constructor == Array) {
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for (var i=0,max=v.length; i < max; i++)
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a.push({name: n, value: v[i]});
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}
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else if (v !== null && typeof v != 'undefined')
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a.push({name: this.name, value: v});
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});
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return $.param(a);
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};
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$.fn.fieldValue = function(successful) {
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for (var val=[], i=0, max=this.length; i < max; i++) {
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var el = this[i];
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var v = $.fieldValue(el, successful);
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if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length))
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continue;
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v.constructor == Array ? $.merge(val, v) : val.push(v);
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}
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return val;
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};
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$.fieldValue = function(el, successful) {
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var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
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if (typeof successful == 'undefined') successful = true;
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if (successful && (!n || el.disabled || t == 'reset' || t == 'button' ||
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(t == 'checkbox' || t == 'radio') && !el.checked ||
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(t == 'submit' || t == 'image') && el.form && el.form.clk != el ||
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tag == 'select' && el.selectedIndex == -1))
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return null;
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if (tag == 'select') {
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var index = el.selectedIndex;
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if (index < 0) return null;
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var a = [], ops = el.options;
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var one = (t == 'select-one');
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var max = (one ? index+1 : ops.length);
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for(var i=(one ? index : 0); i < max; i++) {
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var op = ops[i];
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if (op.selected) {
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var v = $.browser.msie && !(op.attributes['value'].specified) ? op.text : op.value;
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if (one) return v;
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a.push(v);
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}
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}
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return a;
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}
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return el.value;
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};
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$.fn.clearForm = function() {
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return this.each(function() {
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$('input,select,textarea', this).clearFields();
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});
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};
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$.fn.clearFields = $.fn.clearInputs = function() {
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return this.each(function() {
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var t = this.type, tag = this.tagName.toLowerCase();
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if (t == 'text' || t == 'password' || tag == 'textarea')
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this.value = '';
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else if (t == 'checkbox' || t == 'radio')
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this.checked = false;
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else if (tag == 'select')
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this.selectedIndex = -1;
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});
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};
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$.fn.resetForm = function() {
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return this.each(function() {
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if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType))
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this.reset();
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});
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};
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$.fn.enable = function(b) {
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if (b == undefined) b = true;
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return this.each(function() {
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this.disabled = !b
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});
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};
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$.fn.selected = function(select) {
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if (select == undefined) select = true;
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return this.each(function() {
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var t = this.type;
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if (t == 'checkbox' || t == 'radio')
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this.checked = select;
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else if (this.tagName.toLowerCase() == 'option') {
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var $sel = $(this).parent('select');
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if (select && $sel[0] && $sel[0].type == 'select-one') {
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// deselect all other options
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$sel.find('option').selected(false);
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}
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this.selected = select;
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}
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});
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};
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function log() {
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if ($.fn.ajaxSubmit.debug && window.console && window.console.log)
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window.console.log('[jquery.form] ' + Array.prototype.join.call(arguments,''));
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};
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})(jQuery);
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