<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>提未窗口</title>
<link rel="stylesheet" type="text/css" href="../css/ext-all.css" />
<style type=text/css>
#msg-div {
position:absolute;
right:10px;
bottom:10px;
width:250px;
z-index:20000;
}
</style>
<script type="text/javascript" src="ext-base.js"></script>
<script type="text/javascript" src="ext-all.js"></script>
<script>
Ext.ns('MyLib');
/**
* 右下角的小贴士窗口
* @author tipx.javaeye.com
* @params conf 参考Ext.Window
* conf中添加autoHide配置项, 默认3秒自动隐藏, 设置自动隐藏的时间(单位:秒), 不需要自动隐藏时设置为false
* @注: 使用独立的window管理组(manager:new Ext.WindowGroup()), 达到总是显示在最前的效果
*/
; (function($)
{
//新建window组，避免被其它window影响显示在最前的效果
var tipsGroupMgr = new Ext.WindowGroup();
tipsGroupMgr.zseed = 99999; //将小贴士窗口前置
$.TipsWindow = Ext.extend(Ext.Window,
{
width: 200,
height: 150,
layout: 'fit',
modal: false,
plain: true,
shadow: false,
//去除阴影
draggable: false,
//默认不可拖拽
resizable: false,
closable: true,
closeAction: 'hide',
//默认关闭为隐藏
autoHide: 3,
//n秒后自动隐藏，为false时,不自动隐藏
manager: tipsGroupMgr,
//设置window所属的组
constructor: function(conf)
{
$.TipsWindow.superclass.constructor.call(this, conf);
this.initPosition(true);
},
initEvents: function()
{
$.TipsWindow.superclass.initEvents.call(this);
//自动隐藏
if (false !== this.autoHide)
{
var task = new Ext.util.DelayedTask(this.hide, this),
second = (parseInt(this.autoHide) || 3) * 1000;
this.on('beforeshow',
function(self)
{
task.delay(second);
});
}
this.on('beforeshow', this.showTips);
this.on('beforehide', this.hideTips);
Ext.EventManager.onWindowResize(this.initPosition, this); //window大小改变时，重新设置坐标
Ext.EventManager.on(window, 'scroll', this.initPosition, this); //window移动滚动条时，重新设置坐标
},
//参数: flag - true时强制更新位置
initPosition: function(flag)
{
if (true !== flag && this.hidden)
{ //不可见时，不调整坐标
return false;
}
var doc = document,
bd = (doc.body || doc.documentElement);
//ext取可视范围宽高(与上面方法取的值相同), 加上滚动坐标
var left = bd.scrollLeft + Ext.lib.Dom.getViewWidth() - 4 - this.width;
var top = bd.scrollTop + Ext.lib.Dom.getViewHeight() - 4 - this.height;
this.setPosition(left, top);
},
showTips: function()
{
var self = this;
if (!self.hidden)
{
return false;
}
self.initPosition(true); //初始化坐标
self.el.slideIn('b',
{
callback: function()
{
//显示完成后,手动触发show事件,并将hidden属性设置false,否则将不能触发hide事件
self.fireEvent('show', self);
self.hidden = false;
}
});
return false; //不执行默认的show
},
hideTips: function()
{
var self = this;
if (self.hidden)
{
return false;
}
self.el.slideOut('b',
{
callback: function()
{
//渐隐动作执行完成时,手动触发hide事件,并将hidden属性设置true
self.fireEvent('hide', self);
self.hidden = true;
}
});
return false; //不执行默认的hide
}
});
})(MyLib);
</script>
</head>
<body>
<script>
Ext.onReady(function()
{
var tipw = new MyLib.TipsWindow(
{
title: "小贴士",
autoHide: 5,
//5秒自动关闭
html: "这是提示 点击试试 <a href='http://www.cnblogs.com/szyicol'>博客园</a>"
});
tipw.show();
})
</script>
</body>
</html>
原文:http://tipx.javaeye.com/blog/703746
