CSS之拖拽库2

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>拖拽库</title>

<style type="text/css">

div,h2,p{margin:;padding:;}

body{font:14px/1.5 arial;}

#box{

    width:100px;

    height:100px;

    padding:5px;

    margin:50px;

    border:1px solid #f60;

    background-color:#;

}

#box .title{height:25px;}

#tool{margin-bottom:10px; color:#}

</style>

<script type="text/javascript">

function Drag()

{

 //初始化

 this.initialize.apply(this, arguments)

}

Drag.prototype = {

 //初始化

 initialize : function (drag, options)

 {

  this.drag = this.$(drag);

  this._x = this._y = ;

  this._moveDrag = this.bind(this, this.moveDrag);

  this._stopDrag = this.bind(this, this.stopDrag);

  this.setOptions(options);

  this.handle = this.$(this.options.handle);

  this.maxContainer = this.$(this.options.maxContainer);

  this.maxTop = Math.max(this.maxContainer.clientHeight, this.maxContainer.scrollHeight) - this.drag.offsetHeight;

  this.maxLeft = Math.max(this.maxContainer.clientWidth, this.maxContainer.scrollWidth) - this.drag.offsetWidth;

  this.limit = this.options.limit;

  this.lockX = this.options.lockX;

  this.lockY = this.options.lockY;

  this.lock = this.options.lock;

  this.onStart = this.options.onStart;

  this.onMove = this.options.onMove;

  this.onStop = this.options.onStop;

  this.handle.style.cursor = "move";

  this.changeLayout();

  this.addHandler(this.handle, "mousedown", this.bind(this, this.startDrag))

 },

 changeLayout : function ()

 {

  this.drag.style.top = this.drag.offsetTop + "px";

  this.drag.style.left = this.drag.offsetLeft + "px";

  this.drag.style.position = "absolute";

  this.drag.style.margin = ""

 },

 startDrag : function (event)

 {

  var event = event || window.event;

  this._x = event.clientX - this.drag.offsetLeft;

  this._y = event.clientY - this.drag.offsetTop;

  this.addHandler(document, "mousemove", this._moveDrag);

  this.addHandler(document, "mouseup", this._stopDrag);

  event.preventDefault && event.preventDefault();

  this.handle.setCapture && this.handle.setCapture();

  this.onStart()

 },

 moveDrag : function (event)

 {

  var event = event || window.event;

  var iTop = event.clientY - this._y;

  var iLeft = event.clientX - this._x;

  if (this.lock) return;

  this.limit && (iTop <  && (iTop = ), iLeft <  && (iLeft = ), iTop > this.maxTop && (iTop = this.maxTop), iLeft > this.maxLeft && (iLeft = this.maxLeft));

  this.lockY || (this.drag.style.top = iTop + "px");

  this.lockX || (this.drag.style.left = iLeft + "px");

  event.preventDefault && event.preventDefault();

  this.onMove()

 },

 stopDrag : function ()

 {

  this.removeHandler(document, "mousemove", this._moveDrag);

  this.removeHandler(document, "mouseup", this._stopDrag);

  this.handle.releaseCapture && this.handle.releaseCapture();

  this.onStop()

 },

 //参数设置

 setOptions : function (options)

 {

  this.options =

  {

   handle:   this.drag, //事件对象

   limit:   true, //锁定范围

   lock:   false, //锁定位置

   lockX:   false, //锁定水平位置

   lockY:   false, //锁定垂直位置

   maxContainer: document.documentElement || document.body, //指定限制容器

   onStart:  function () {}, //开始时回调函数

   onMove:   function () {}, //拖拽时回调函数

   onStop:   function () {} //停止时回调函数

  };

  for (var p in options) this.options[p] = options[p]

 },

 //获取id

 $ : function (id)

 {

  return typeof id === "string" ? document.getElementById(id) : id

 },

 //添加绑定事件

 addHandler : function (oElement, sEventType, fnHandler)

 {

  return oElement.addEventListener ? oElement.addEventListener(sEventType, fnHandler, false) : oElement.attachEvent("on" + sEventType, fnHandler)

 },

 //删除绑定事件

 removeHandler : function (oElement, sEventType, fnHandler)

 {

  return oElement.removeEventListener ? oElement.removeEventListener(sEventType, fnHandler, false) : oElement.detachEvent("on" + sEventType, fnHandler)

 },

 //绑定事件到对象

 bind : function (object, fnHandler)

 {

  return function ()

  {

   return fnHandler.apply(object, arguments)

  }

 }

};

//应用

window.onload = function ()

{

 var oBox = document.getElementById("box");

 var oTitle = oBox.getElementsByTagName("h2")[];

 var oSpan = document.getElementsByTagName("span")[];

 var oDrag = new Drag(oBox, {handle:oTitle, limit:false});

 var aInput = document.getElementsByTagName("input");

 //锁定范围接口

 aInput[].onclick = function ()

 {

  oDrag.limit = !oDrag.limit;

  this.value = oDrag.limit ? "取消锁定范围" : "锁定范围"

 };

 //水平锁定接口

 aInput[].onclick = function ()

 {

  oDrag.lockX = !oDrag.lockX;

  this.value = oDrag.lockX ? "取消水平锁定" : "水平锁定"

 };

 //垂直锁定接口

 aInput[].onclick = function ()

 {

  oDrag.lockY = !oDrag.lockY;

  this.value = oDrag.lockY ? "取消垂直锁定" : "垂直锁定"

 };

 //锁定位置接口

 aInput[].onclick = function ()

 {

  oDrag.lock = !oDrag.lock;

  this.value = oDrag.lock ? "取消锁定位置" : "锁定位置"

 };

 //开始拖拽时方法

 oDrag.onStart = function ()

 {

  oSpan.innerHTML = "开始拖拽"

 };

 //开始拖拽时方法

 oDrag.onMove = function ()

 {

  oSpan.innerHTML = "left:" + this.drag.offsetLeft + ", top:" + this.drag.offsetTop

 };

 //开始拖拽时方法

 oDrag.onStop = function ()

 {

  oSpan.innerHTML = "结束拖拽"

 };

};

</script>

</head>

<body>

<div id="tool">

<input type="button" value="锁定范围" />

 <input type="button" value="水平锁定" />

 <input type="button" value="垂直锁定" />

 <input type="button" value="锁定位置" />

</div>

<p>拖放状态：<span>未开始</span></p>

<div id="box">

 <h2 class="title"></h2>

</div>

</body>

</html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>拖拽库</title>
<style type="text/css">
div,h2,p{margin:0;padding:0;}
body{font:14px/1.5 arial;}
#box{
width:100px;
height:100px;
padding:5px;
margin:50px;
border:1px solid #f60;
background-color:#000;
}
#box .title{height:25px;}
#tool{margin-bottom:10px; color:#000}
</style>
<script type="text/javascript">
function Drag()
{
//初始化
this.initialize.apply(this, arguments)
}
Drag.prototype = {
//初始化
initialize : function (drag, options)
{
this.drag = this.$(drag);
this._x = this._y = 0;
this._moveDrag = this.bind(this, this.moveDrag);
this._stopDrag = this.bind(this, this.stopDrag);

this.setOptions(options);

this.handle = this.$(this.options.handle);
this.maxContainer = this.$(this.options.maxContainer);

this.maxTop = Math.max(this.maxContainer.clientHeight, this.maxContainer.scrollHeight) - this.drag.offsetHeight;
this.maxLeft = Math.max(this.maxContainer.clientWidth, this.maxContainer.scrollWidth) - this.drag.offsetWidth;
this.limit = this.options.limit;
this.lockX = this.options.lockX;
this.lockY = this.options.lockY;
this.lock = this.options.lock;
this.onStart = this.options.onStart;
this.onMove = this.options.onMove;
this.onStop = this.options.onStop;
this.handle.style.cursor = "move";
this.changeLayout();
this.addHandler(this.handle, "mousedown", this.bind(this, this.startDrag))
},
changeLayout : function ()
{
this.drag.style.top = this.drag.offsetTop + "px";
this.drag.style.left = this.drag.offsetLeft + "px";
this.drag.style.position = "absolute";
this.drag.style.margin = "0"
},
startDrag : function (event)
{
var event = event || window.event;
this._x = event.clientX - this.drag.offsetLeft;
this._y = event.clientY - this.drag.offsetTop;
this.addHandler(document, "mousemove", this._moveDrag);
this.addHandler(document, "mouseup", this._stopDrag);
event.preventDefault && event.preventDefault();
this.handle.setCapture && this.handle.setCapture();
this.onStart()
},
moveDrag : function (event)
{
var event = event || window.event;
var iTop = event.clientY - this._y;
var iLeft = event.clientX - this._x;
if (this.lock) return;
this.limit && (iTop < 0 && (iTop = 0), iLeft < 0 && (iLeft = 0), iTop > this.maxTop && (iTop = this.maxTop), iLeft > this.maxLeft && (iLeft = this.maxLeft));
this.lockY || (this.drag.style.top = iTop + "px");
this.lockX || (this.drag.style.left = iLeft + "px");
event.preventDefault && event.preventDefault();
this.onMove()
},
stopDrag : function ()
{
this.removeHandler(document, "mousemove", this._moveDrag);
this.removeHandler(document, "mouseup", this._stopDrag);
this.handle.releaseCapture && this.handle.releaseCapture();
this.onStop()
},
//参数设置
setOptions : function (options)
{
this.options =
{
handle: this.drag, //事件对象
limit: true, //锁定范围
lock: false, //锁定位置
lockX: false, //锁定水平位置
lockY: false, //锁定垂直位置
maxContainer: document.documentElement || document.body, //指定限制容器
onStart: function () {}, //开始时回调函数
onMove: function () {}, //拖拽时回调函数
onStop: function () {} //停止时回调函数
};
for (var p in options) this.options[p] = options[p]
},
//获取id
$ : function (id)
{
return typeof id === "string" ? document.getElementById(id) : id
},
//添加绑定事件
addHandler : function (oElement, sEventType, fnHandler)
{
return oElement.addEventListener ? oElement.addEventListener(sEventType, fnHandler, false) : oElement.attachEvent("on" + sEventType, fnHandler)
},
//删除绑定事件
removeHandler : function (oElement, sEventType, fnHandler)
{
return oElement.removeEventListener ? oElement.removeEventListener(sEventType, fnHandler, false) : oElement.detachEvent("on" + sEventType, fnHandler)
},
//绑定事件到对象
bind : function (object, fnHandler)
{
return function ()
{
return fnHandler.apply(object, arguments)
}
}
};
//应用
window.onload = function ()
{
var oBox = document.getElementById("box");
var oTitle = oBox.getElementsByTagName("h2")[0];
var oSpan = document.getElementsByTagName("span")[0];
var oDrag = new Drag(oBox, {handle:oTitle, limit:false});
var aInput = document.getElementsByTagName("input");
//锁定范围接口
aInput[0].onclick = function ()
{
oDrag.limit = !oDrag.limit;
this.value = oDrag.limit ? "取消锁定范围" : "锁定范围"
};

//水平锁定接口
aInput[1].onclick = function ()
{
oDrag.lockX = !oDrag.lockX;
this.value = oDrag.lockX ? "取消水平锁定" : "水平锁定"
};

//垂直锁定接口
aInput[2].onclick = function ()
{
oDrag.lockY = !oDrag.lockY;
this.value = oDrag.lockY ? "取消垂直锁定" : "垂直锁定"
};

//锁定位置接口
aInput[3].onclick = function ()
{
oDrag.lock = !oDrag.lock;
this.value = oDrag.lock ? "取消锁定位置" : "锁定位置"
};

//开始拖拽时方法
oDrag.onStart = function ()
{
oSpan.innerHTML = "开始拖拽"
};

//开始拖拽时方法
oDrag.onMove = function ()
{
oSpan.innerHTML = "left:" + this.drag.offsetLeft + ", top:" + this.drag.offsetTop
};
//开始拖拽时方法
oDrag.onStop = function ()
{
oSpan.innerHTML = "结束拖拽"
};
};
</script>
</head>
<body>
<div id="tool">
<input type="button" value="锁定范围" />
<input type="button" value="水平锁定" />
<input type="button" value="垂直锁定" />
<input type="button" value="锁定位置" />
</div>
<p>拖放状态：<span>未开始</span></p>
<div id="box">
<h2 class="title"></h2>
</div>
</body>

CSS之拖拽库2的更多相关文章

CSS之拖拽1
PageX:鼠标在页面上的位置,从页面左上角开始,即是以页面为参考点,不随滑动条移动而变化. clientX:鼠标在页面上可视区域的位置,从浏览器可视区域左上角开始,即是以浏览器滑动条此刻的滑动到的 ...
开源自己写的一个拖拽库，兼容到IE8+
github地址:https://github.com/qiangzi7723/draggable 目前这个库的兼容做到了兼容IE8,所以如果需要兼容IE8的朋友不妨试试.库里面写了很多的注释,对于想 ...
Javascript之拖拽库
在手机上运行触屏拖动时,我发现页面并没有反应,服务器端执行javascript在手机端与电脑端不能“相同式”实现(电脑端运行正常,而手机端不一样),这是为甚么呢? 首先,我们都知道javascript ...
css 可拖拽列表
<!DOCTYPE HTML> <html><head> <meta charset="UTF-8"> <title>d ...
Hammer.js 实现移动端元素的拖拽库
1. Pan事件:在指定的dom区域内,一个手指放下并移动事件,即触屏中的拖动事件.这个事件在屏触开发中比较常用,如:左拖动.右拖动等,如手要上使用QQ时向右滑动出现功能菜单的效果.该事件还可以分别对 ...
JS实现多Div模块拖拽功能
空闲时间,同事让帮忙整个JS拖拽div模块功能.于是便在网上搜索,总结如下一个可实现多div模块拖拽的功能.一下是整体的HTML代码, 里边可以控制到拖拽开始(onStart),拖拽时候(onMov ...
Jquery 可拖拽的Ztree
比较懒,就只贴关键代码吧,自己把有用的属性全部打印出来了,也加了不少注释. 保存后涉及到的排序问题,刷新问题还未考虑到,后面有的话再加. $.fn.zTree.init($("#ztree& ...
DropzoneJS 可以拖拽上传的js库
介绍可以拖拽上传的 js库网址 http://www.dropzonejs.com/ 同类类库 1.jquery.fileupload http://blueimp.github.io/jQu ...
第一百三十五节，JavaScript，封装库--拖拽
JavaScript,封装库--拖拽封装库新增1个拖拽方法 /** tuo_zhuai()方法,将一个弹窗元素实现拖拽功能 * 注意:一般需要在css文件将元素里的某一个区块光标设置成提示可以拖拽, ...

随机推荐

Science上发表的超赞聚类算法（转）
作者(Alex Rodriguez, Alessandro Laio)提出了一种很简洁优美的聚类算法, 可以识别各种形状的类簇, 并且其超参数很容易确定. 算法思想该算法的假设是类簇的中心由一些局部 ...
【MyLocations】标记位置App开发体会
实现功能: 1.能通过Cora Location获取地址信息 2.用户获取地址信息后能编辑相关信息 3.使用Core Data保存数据 4.使用MapKit,在Map上显示标记的位置,并可以编辑位置信 ...
C++ Brush
关键点实现过程 void CCreateBrushView::OnDraw(CDC* pDC) { CCreateBrushDoc* pDoc = GetDocument(); AS ...
使用安卓读取sqlite数据库方法记录
最近要实现android读取sqlite数据库文件,在这里先做一个英汉字典的例子.主要是输入英语到数据库中查询相应的汉语意思,将其答案输出.数据库采用sqlite3. 如图: 实现过程完全是按照参考文 ...
Java log code example
Java log example Logrecord filter import java.util.logging.Filter; import java.util.logging.Level; i ...
[AngularJS] Build Your Own ng-controller Directive
/** * Created by Answer1215 on 12/21/2014. */ angular.module('app', []) .controller('FirstCtrl' , fu ...
as3中使用stage ,root ,this 区别详解
stage:最顶层舞台root:stage的下一级舞台,属于第二层舞台(继承自DisplayObject)this:当前的对象(如果是主时间轴上的this,那它就是root) 继承方面:Stage - ...
怎样用通用pe工具箱制作U盘启动盘
U盘启动盘制作过程,随着网络的普及,电脑已经成为我们日常生活中的重要一环,最近自己重装了下电脑系统,无意中发现一个傻瓜式的U盘装系统方法,就把怎么制作通用pe工具箱u盘启动盘的经验拿出来跟大家分享下. ...
使用Java编写并运行Spark应用程序
我们首先提出这样一个简单的需求: 现在要分析某网站的访问日志信息,统计来自不同IP的用户访问的次数,从而通过Geo信息来获得来访用户所在国家地区分布状况.这里我拿我网站的日志记录行示例,如下所示: 1 ...
c#_表单处理方式
阅读目录开始简单的表单,简单的处理方式表单提交,成功控件多提交按钮的表单上传文件的表单 MVC Controller中多个自定义类型的传入参数 F5刷新问题并不是WebForms的错以Aj ...

CSS之拖拽库2

CSS之拖拽库2的更多相关文章

随机推荐

热门专题