Scripts/jquery-easyui-1.4.5/src/jquery.form.js

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/**
 * jQuery EasyUI 1.4.5
 * 
 * Copyright (c) 2009-2016 www.jeasyui.com. All rights reserved.
 *
 * Licensed under the freeware license: http://www.jeasyui.com/license_freeware.php
 * To use it on other terms please contact us: info@jeasyui.com
 *
 */
/**
 * form - jQuery EasyUI
 * 
 */
(function($){
	/**
	 * submit the form
	 */
	function ajaxSubmit(target, options){
		var opts = $.data(target, 'form').options;
		$.extend(opts, options||{});
		
		var param = $.extend({}, opts.queryParams);
		if (opts.onSubmit.call(target, param) == false){return;}

		// $(target).find('.textbox-text:focus').blur();
		var input = $(target).find('.textbox-text:focus');
		input.triggerHandler('blur');
		input.focus();

		if (opts.iframe){
			submitIframe(target, param);
		} else {
			if (window.FormData !== undefined){
				submitXhr(target, param);
			} else {
				submitIframe(target, param);
			}
		}		
	}

	function submitIframe(target, param){
		var opts = $.data(target, 'form').options;
		var frameId = 'easyui_frame_' + (new Date().getTime());
		var frame = $('<iframe id='+frameId+' name='+frameId+'></iframe>').appendTo('body')
		frame.attr('src', window.ActiveXObject ? 'javascript:false' : 'about:blank');
		frame.css({
			position:'absolute',
			top:-1000,
			left:-1000
		});
		frame.bind('load', cb);
		
		submit(param);
		
		function submit(param){
			var form = $(target);
			if (opts.url){
				form.attr('action', opts.url);
			}
			var t = form.attr('target'), a = form.attr('action');