easyUI 笔记2

/**
* 包含easyui的扩展和常用的方法
*
* @author 孙宇
*/

var sy = $.extend({}, sy);/* 全局对象 */

$.parser.auto = false;
$(function() {
$.messager.progress({
text : '页面加载中....',
interval : 100
});
$.parser.parse(window.document);
window.setTimeout(function() {
$.messager.progress('close');
if (self != parent) {
window.setTimeout(function() {
parent.$.messager.progress('close');
}, 500);
}
}, 1);
$.parser.auto = true;
});

$.fn.panel.defaults.onBeforeDestroy = function() {/* tab关闭时回收内存 */
var frame = $('iframe', this);
try {
if (frame.length > 0) {
frame[0].contentWindow.document.write('');
frame[0].contentWindow.close();
frame.remove();
if ($.browser.msie) {
CollectGarbage();
}
} else {
$(this).find('.combo-f').each(function() {
var panel = $(this).data().combo.panel;
panel.panel('destroy');
});
}
} catch (e) {
}
};

$.fn.panel.defaults.loadingMessage = '数据加载中，请稍候....';
$.fn.datagrid.defaults.loadMsg = '数据加载中，请稍候....';

var easyuiErrorFunction = function(XMLHttpRequest) {
/* $.messager.progress('close'); */
/* alert(XMLHttpRequest.responseText.split('<script')[0]); */
$.messager.alert('错误', XMLHttpRequest.responseText.split('<script')[0]);
};
$.fn.datagrid.defaults.onLoadError = easyuiErrorFunction;
$.fn.treegrid.defaults.onLoadError = easyuiErrorFunction;
$.fn.combogrid.defaults.onLoadError = easyuiErrorFunction;
$.fn.combobox.defaults.onLoadError = easyuiErrorFunction;
$.fn.form.defaults.onLoadError = easyuiErrorFunction;

var easyuiPanelOnMove = function(left, top) {/* 防止超出浏览器边界 */
if (left < 0) {
$(this).window('move', {
left : 1
});
}
if (top < 0) {
$(this).window('move', {
top : 1
});
}
};
$.fn.panel.defaults.onMove = easyuiPanelOnMove;
$.fn.window.defaults.onMove = easyuiPanelOnMove;
$.fn.dialog.defaults.onMove = easyuiPanelOnMove;

$.extend($.fn.validatebox.defaults.rules, {
eqPassword : {/* 扩展验证两次密码 */
validator : function(value, param) {
return value == $(param[0]).val();
},
message : '密码不一致！'
}
});

$.extend($.fn.datagrid.defaults.editors, {
combocheckboxtree : {
init : function(container, options) {
var editor = $('<input/>').appendTo(container);
options.multiple = true;
editor.combotree(options);
return editor;
},
destroy : function(target) {
$(target).combotree('destroy');
},
getValue : function(target) {
return $(target).combotree('getValues').join(',');
},
setValue : function(target, value) {
$(target).combotree('setValues', sy.getList(value));
},
resize : function(target, width) {
$(target).combotree('resize', width);
}
}
});

/**
* 获得项目根路径
*
* 使用方法：sy.bp();
*/
sy.bp = function() {
var curWwwPath = window.document.location.href;
var pathName = window.document.location.pathname;
var pos = curWwwPath.indexOf(pathName);
var localhostPaht = curWwwPath.substring(0, pos);
var projectName = pathName.substring(0, pathName.substr(1).indexOf('/') + 1);
return (localhostPaht + projectName);
};

/**
* 增加formatString功能
*
* 使用方法：sy.fs('字符串{0}字符串{1}字符串','第一个变量','第二个变量');
*/
sy.fs = function(str) {
for ( var i = 0; i < arguments.length - 1; i++) {
str = str.replace("{" + i + "}", arguments[i + 1]);
}
return str;
};

/**
* 增加命名空间功能
*
* 使用方法：sy.ns('jQuery.bbb.ccc','jQuery.eee.fff');
*/
sy.ns = function() {
var o = {}, d;
for ( var i = 0; i < arguments.length; i++) {
d = arguments[i].split(".");
o = window[d[0]] = window[d[0]] || {};
for ( var k = 0; k < d.slice(1).length; k++) {
o = o[d[k + 1]] = o[d[k + 1]] || {};
}
}
return o;
};

/**
* 生成UUID
*/
sy.random4 = function() {
return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
};
sy.UUID = function() {
return (sy.random4() + sy.random4() + "-" + sy.random4() + "-" + sy.random4() + "-" + sy.random4() + "-" + sy.random4() + sy.random4() + sy.random4());
};

/**
* 获得URL参数
*/
sy.getUrlParam = function(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if (r != null)
return unescape(r[2]);
return null;
};

sy.getList = function(value) {
if (value) {
var values = [];
var t = value.split(',');
for ( var i = 0; i < t.length; i++) {
values.push('' + t[i]);/* 避免他将ID当成数字 */
}
return values;
} else {
return [];
}
};

sy.serializeObject = function(form)/*将表单序列化成一个对象*/
｛
var o = {};
$.each(form.serializeArray(),function(index){
if(o[this['name']]){
o[this['name']] = o[this['name']]+ "," + this['value'];
}else{
o[this['name']] = this['value'];
}
});
return o;
｝

sy.png = function() {
var imgArr = document.getElementsByTagName("IMG");
for ( var i = 0; i < imgArr.length; i++) {
if (imgArr[i].src.toLowerCase().lastIndexOf(".png") != -1) {
imgArr[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + imgArr[i].src + "', sizingMethod='auto')";
imgArr[i].src = "images/blank.gif";
}
if (imgArr[i].currentStyle.backgroundImage.lastIndexOf(".png") != -1) {
var img = imgArr[i].currentStyle.backgroundImage.substring(5, imgArr[i].currentStyle.backgroundImage.length - 2);
imgArr[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img + "', sizingMethod='crop')";
imgArr[i].style.backgroundImage = "url('images/blank.gif')";
}
}
};
sy.bgPng = function(bgElements) {
for ( var i = 0; i < bgElements.length; i++) {
if (bgElements[i].currentStyle.backgroundImage.lastIndexOf(".png") != -1) {
var img = bgElements[i].currentStyle.backgroundImage.substring(5, bgElements[i].currentStyle.backgroundImage.length - 2);
bgElements[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img + "', sizingMethod='crop')";
bgElements[i].style.backgroundImage = "url('images/blank.gif')";
}
}
};

sy.isLessThanIe8 = function() {/* 判断浏览器是否是IE并且版本小于8 */
return ($.browser.msie && $.browser.version <;
};

$.ajaxSetup({
type : 'POST',
error : function(XMLHttpRequest, textStatus, errorThrown) {/* 扩展AJAX出现错误的提示 */
$.messager.progress('close');
$.messager.alert('错误', XMLHttpRequest.responseText.split('<script')[0]);
}
});