首页
所有分类
TAGS
文字工具 EMOJI BIBLE
编程 Javascript

JavaScript模块随意拖动示例代码

Posted in Javascript onMay 27, 2014 
<!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=gb2312" /> 
<title>JavaScript模块随意拖动</title> 
<style type="text/css"> 
html{ 
width:100%; 
overflow-x:hidden; 
} 
body{ 
font-family: Trebuchet MS, Lucida Sans Unicode, Arial, sans-serif; 
width:100%; 
margin:0px; 
padding:0px; 
text-align:center; 
background-color:#E2EBED; 
font-size:0.7em; 
overflow-x:hidden; 
} #mainContainer{ 
width:600px; 
margin:0 auto; 
text-align:left; 
background-color:#FFF; 
} 
h4{ 
margin:0px; 
} 
p{ 
margin-top:5px; 
} 
#dragableElementsParentBox{ 
padding:10px; 
} 
.smallArticle,.bigArticle{ 
float:left; 
border:1px solid #000; 
background-color:#DDD; 
padding:2px; 
margin-right:10px; 
margin-bottom:5px; 
} 
.smallArticle img,.bigArticle img{ 
float:left; 
padding:5px; 
} 
.smallArticle .rightImage,.bigArticle .rightImage{ 
float:right; 
} 
.smallArticle{ 
width:274px; 
} 
.bigArticle{ 
width:564px; 
} 
.clear{ 
clear:both; 
} 
#rectangle{ 
float:left; 
border:1px dotted #F00; 
background-color:#FFF; 
} 
#insertionMarker{ 
width:6px; 
position:absolute; 
display:none; 
} 
#insertionMarker img{ 
float:left; 
} 
#dragDropMoveLayer{ 
position:absolute; 
display:none; 
border:1px solid #000; 
filter:alpha(opacity=50); 
opacity:0.5; 
} 
</style> 
<script type="text/javascript"> 
var rectangleBorderWidth = 2; 
var useRectangle = false; 
var autoScrollSpeed = 4; 
function saveData() 
{ 
var saveString = ""; 
for(var no=0;no<dragableObjectArray.length;no++){ 
if(saveString.length>0)saveString = saveString + ';'; 
ref = dragableObjectArray[no]; 
saveString = saveString + ref['obj'].id; 
} 
alert(saveString); 
} 
var dragableElementsParentBox; 
var opera = navigator.appVersion.indexOf('Opera')>=0?true:false; 
var rectangleDiv = false; 
var insertionMarkerDiv = false; 
var mouse_x; 
var mouse_y; 
var el_x; 
var el_y; 
var dragDropTimer = -1; 
var dragObject = false; 
var dragObjectNextObj = false; 
var dragableObjectArray = new Array(); 
var destinationObj = false; 
var currentDest = false; 
var allowRectangleMove = true; 
var insertionMarkerLine; 
var dragDropMoveLayer; 
var autoScrollActive = false; 
var documentHeight = false; 
var documentScrollHeight = false; 
var dragableAreaWidth = false; 
function getTopPos(inputObj) 
{ 
var returnValue = inputObj.offsetTop; 
while((inputObj = inputObj.offsetParent) != null){ 
if(inputObj.tagName!='HTML')returnValue += inputObj.offsetTop; 
} 
return returnValue; 
} 
function getLeftPos(inputObj) 
{ 
var returnValue = inputObj.offsetLeft; 
while((inputObj = inputObj.offsetParent) != null){ 
if(inputObj.tagName!='HTML')returnValue += inputObj.offsetLeft; 
} 
return returnValue; 
} 
function cancelSelectionEvent() 
{ 
if(dragDropTimer>=0)return false; 
return true; 
} 
function getObjectFromPosition(x,y) 
{ 
var height = dragObject.offsetHeight; 
var width = dragObject.offsetWidth; 
var indexCurrentDragObject=-5; 
for(var no=0;no<dragableObjectArray.length;no++){ 
ref = dragableObjectArray[no]; 
if(ref['obj']==dragObject)indexCurrentDragObject=no; 
if(no<dragableObjectArray.length-1 && dragableObjectArray[no+1]['obj']==dragObject)indexCurrentDragObject=no+1; 
if(ref['obj']==dragObject && useRectangle)continue; 
if(x > ref['left'] && y>ref['top'] && x<(ref['left'] + (ref['width']/2)) && y<(ref['top'] + ref['height'])){ 
if(!useRectangle && dragableObjectArray[no]['obj']==dragObject)return 'self'; 
if(indexCurrentDragObject==(no-1))return 'self'; 
return Array(dragableObjectArray[no],no); 
} 
if(x > (ref['left'] + (ref['width']/2)) && y>ref['top'] && x<(ref['left'] + ref['width']) && y<(ref['top'] + ref['height'])){ 
if(no<dragableObjectArray.length-1){ 
if(no==indexCurrentDragObject || (no==indexCurrentDragObject-1)){ 
return 'self'; 
} 
if(dragableObjectArray[no]['obj']!=dragObject){ 
return Array(dragableObjectArray[no+1],no+1); 
}else{ 
if(!useRectangle)return 'self'; 
if(no<dragableObjectArray.length-2)return Array(dragableObjectArray[no+2],no+2); 
} 
}else{ 
if(dragableObjectArray[dragableObjectArray.length-1]['obj']!=dragObject)return 'append'; 
} 
} 
if(no<dragableObjectArray.length-1){ 
if(x > (ref['left'] + ref['width']) && y>ref['top'] && y<(ref['top'] + ref['height']) && y<dragableObjectArray[no+1]['top']){ 
return Array(dragableObjectArray[no+1],no+1); 
} 
} 
} 
if(x>ref['left'] && y>(ref['top'] + ref['height']))return 'append'; 
return false; 
} 
function initDrag(e) 
{ 
if(document.all)e = event; 
mouse_x = e.clientX; 
mouse_y = e.clientY; 
if(!documentScrollHeight)documentScrollHeight = document.documentElement.scrollHeight + 100; 
el_x = getLeftPos(this)/1; 
el_y = getTopPos(this)/1; 
dragObject = this; 
if(useRectangle){ 
rectangleDiv.style.width = this.clientWidth - (rectangleBorderWidth*2) +'px'; 
rectangleDiv.style.height = this.clientHeight - (rectangleBorderWidth*2) +'px'; 
rectangleDiv.className = this.className; 
}else{ 
insertionMarkerLine.style.width = '6px'; 
} 
dragDropTimer = 0; 
dragObjectNextObj = false; 
if(this.nextSibling){ 
dragObjectNextObj = this.nextSibling; 
if(!dragObjectNextObj.tagName)dragObjectNextObj = dragObjectNextObj.nextSibling; 
} 
initDragTimer(); 
return false; 
} 
function initDragTimer() 
{ 
if(dragDropTimer>=0 && dragDropTimer<10){ 
dragDropTimer++; 
setTimeout('initDragTimer()',5); 
return; 
} 
if(dragDropTimer==10){ 
if(useRectangle){ 
dragObject.style.opacity = 0.5; 
dragObject.style.filter = 'alpha(opacity=50)'; 
dragObject.style.cursor = 'default'; 
}else{ 
var newObject = dragObject.cloneNode(true); 
dragDropMoveLayer.appendChild(newObject); 
} 
} 
} 
function autoScroll(direction,yPos) 
{ 
if(document.documentElement.scrollHeight>documentScrollHeight && direction>0)return; 
window.scrollBy(0,direction); 
if(direction<0){ 
if(document.documentElement.scrollTop>0){ 
mouse_y = mouse_y - direction; 
if(useRectangle){ 
dragObject.style.top = (el_y - mouse_y + yPos) + 'px'; 
}else{ 
dragDropMoveLayer.style.top = (el_y - mouse_y + yPos) + 'px'; 
} 
}else{ 
autoScrollActive = false; 
} 
}else{ 
if(yPos>(documentHeight-50)){ 
mouse_y = mouse_y - direction; 
if(useRectangle){ 
dragObject.style.top = (el_y - mouse_y + yPos) + 'px'; 
}else{ 
dragDropMoveLayer.style.top = (el_y - mouse_y + yPos) + 'px'; 
} 
}else{ 
autoScrollActive = false; 
} 
} 
if(autoScrollActive)setTimeout('autoScroll('+direction+',' + yPos + ')',5); 
} 
function moveDragableElement(e) 
{ 
if(document.all)e = event; 
if(dragDropTimer<10)return; 
if(!allowRectangleMove)return false; 

if(e.clientY<50 || e.clientY>(documentHeight-50)){ 
if(e.clientY<50 && !autoScrollActive){ 
autoScrollActive = true; 
autoScroll((autoScrollSpeed*-1),e.clientY); 
} 
if(e.clientY>(documentHeight-50) && document.documentElement.scrollHeight<=documentScrollHeight && !autoScrollActive){ 
autoScrollActive = true; 
autoScroll(autoScrollSpeed,e.clientY); 
} 
}else{ 
autoScrollActive = false; 
} 
if(useRectangle){ 
if(dragObject.style.position!='absolute'){ 
dragObject.style.position = 'absolute'; 
setTimeout('repositionDragObjectArray()',50); 
} 
} 
if(useRectangle){ 
rectangleDiv.style.display='block'; 
}else{ 
insertionMarkerDiv.style.display='block'; 
dragDropMoveLayer.style.display='block'; 
} 
if(useRectangle){ 
dragObject.style.left = (el_x - mouse_x + e.clientX + Math.max(document.body.scrollLeft,document.documentElement.scrollLeft)) + 'px'; 
dragObject.style.top = (el_y - mouse_y + e.clientY) + 'px'; 
}else{ 
dragDropMoveLayer.style.left = (el_x - mouse_x + e.clientX + Math.max(document.body.scrollLeft,document.documentElement.scrollLeft)) + 'px'; 
dragDropMoveLayer.style.top = (el_y - mouse_y + e.clientY) + 'px'; 
} 
dest = getObjectFromPosition(e.clientX+Math.max(document.body.scrollLeft,document.documentElement.scrollLeft),e.clientY+Math.max(document.body.scrollTop,document.documentElement.scrollTop)); 
if(dest!==false && dest!='append' && dest!='self'){ 
destinationObj = dest[0]; 
if(currentDest!==destinationObj){ 
currentDest = destinationObj; 
if(useRectangle){ 
destinationObj['obj'].parentNode.insertBefore(rectangleDiv,destinationObj['obj']); 
repositionDragObjectArray(); 
}else{ 
if(dest[1]>0 && (dragableObjectArray[dest[1]-1]['obj'].offsetLeft + dragableObjectArray[dest[1]-1]['width'] + dragObject.offsetWidth) < dragableAreaWidth){ 
insertionMarkerDiv.style.left = (getLeftPos(dragableObjectArray[dest[1]-1]['obj']) + dragableObjectArray[dest[1]-1]['width'] + 2) + 'px'; 
insertionMarkerDiv.style.top = (getTopPos(dragableObjectArray[dest[1]-1]['obj']) - 2) + 'px'; 
insertionMarkerLine.style.height = dragableObjectArray[dest[1]-1]['height'] + 'px'; 
}else{ 
insertionMarkerDiv.style.left = (getLeftPos(destinationObj['obj']) - 8) + 'px'; 
insertionMarkerDiv.style.top = (getTopPos(destinationObj['obj']) - 2) + 'px'; 
insertionMarkerLine.style.height = destinationObj['height'] + 'px'; 
} 

} 
} 
} 
if(dest=='self' || !dest){ 
insertionMarkerDiv.style.display='none'; 
destinationObj = dest; 
} 
if(dest=='append'){ 
if(useRectangle){ 
dragableElementsParentBox.appendChild(rectangleDiv); 
dragableElementsParentBox.appendChild(document.getElementById('clear')); 
}else{ 
var tmpRef = dragableObjectArray[dragableObjectArray.length-1]; 
insertionMarkerDiv.style.left = (getLeftPos(tmpRef['obj']) + 2) + tmpRef['width'] + 'px'; 
insertionMarkerDiv.style.top = (getTopPos(tmpRef['obj']) - 2) + 'px'; 
insertionMarkerLine.style.height = tmpRef['height'] + 'px'; 
} 
destinationObj = dest; 
repositionDragObjectArray(); 
} 
if(useRectangle && !dest){ 
destinationObj = currentDest; 
} 
allowRectangleMove = false; 
setTimeout('allowRectangleMove=true',50); 
} 
function stop_dragDropElement() 
{ 
dragDropTimer = -1; 
if(destinationObj && destinationObj!='append' && destinationObj!='self'){ 
destinationObj['obj'].parentNode.insertBefore(dragObject,destinationObj['obj']); 
} 
if(destinationObj=='append'){ 
dragableElementsParentBox.appendChild(dragObject); 
dragableElementsParentBox.appendChild(document.getElementById('clear')); 
} 
if(dragObject && useRectangle){ 
dragObject.style.opacity = 1; 
dragObject.style.filter = 'alpha(opacity=100)'; 
dragObject.style.cursor = 'move'; 
dragObject.style.position='static'; 
} 
rectangleDiv.style.display='none'; 
insertionMarkerDiv.style.display='none'; 
dragObject = false; 
currentDest = false; 
resetObjectArray(); 
destinationObj = false; 
if(dragDropMoveLayer){ 
dragDropMoveLayer.style.display='none'; 
dragDropMoveLayer.innerHTML=''; 
} 
autoScrollActive = false; 
documentScrollHeight = document.documentElement.scrollHeight + 100; 
} 
function cancelEvent() 
{ 
return false; 
} 
function repositionDragObjectArray() 
{ 
for(var no=0;no<dragableObjectArray.length;no++){ 
ref = dragableObjectArray[no]; 
ref['left'] = getLeftPos(ref['obj']); 
ref['top'] = getTopPos(ref['obj']); 
} 
documentScrollHeight = document.documentElement.scrollHeight + 100; 
documentHeight = document.documentElement.clientHeight; 
} 
function resetObjectArray() 
{ 
dragableObjectArray.length=0; 
var subDivs = dragableElementsParentBox.getElementsByTagName('*'); 
var countEl = 0; 
for(var no=0;no<subDivs.length;no++){ 
var attr = subDivs[no].getAttribute('dragableBox'); 
if(opera)attr = subDivs[no].dragableBox; 
if(attr=='true'){ 
var index = dragableObjectArray.length; 
dragableObjectArray[index] = new Array(); 
ref = dragableObjectArray[index]; 
ref['obj'] = subDivs[no]; 
ref['width'] = subDivs[no].offsetWidth; 
ref['height'] = subDivs[no].offsetHeight; 
ref['left'] = getLeftPos(subDivs[no]); 
ref['top'] = getTopPos(subDivs[no]); 
ref['index'] = countEl; 
countEl++; 
} 
} 
} 
function initdragableElements() 
{ 
dragableElementsParentBox = document.getElementById('dragableElementsParentBox'); 
insertionMarkerDiv = document.getElementById('insertionMarker'); 
insertionMarkerLine = document.getElementById('insertionMarkerLine'); 
dragableAreaWidth = dragableElementsParentBox.offsetWidth; 
if(!useRectangle){ 
dragDropMoveLayer = document.createElement('DIV'); 
dragDropMoveLayer.id = 'dragDropMoveLayer'; 
document.body.appendChild(dragDropMoveLayer); 
} 
var subDivs = dragableElementsParentBox.getElementsByTagName('*'); 
var countEl = 0; 
for(var no=0;no<subDivs.length;no++){ 
var attr = subDivs[no].getAttribute('dragableBox'); 
if(opera)attr = subDivs[no].dragableBox; 
if(attr=='true'){ 
subDivs[no].style.cursor='move'; 
subDivs[no].onmousedown = initDrag; 
var index = dragableObjectArray.length; 
dragableObjectArray[index] = new Array(); 
ref = dragableObjectArray[index]; 
ref['obj'] = subDivs[no]; 
ref['width'] = subDivs[no].offsetWidth; 
ref['height'] = subDivs[no].offsetHeight; 
ref['left'] = getLeftPos(subDivs[no]); 
ref['top'] = getTopPos(subDivs[no]); 
ref['index'] = countEl; 
countEl++; 
} 
} 
rectangleDiv = document.createElement('DIV'); 
rectangleDiv.id='rectangle'; 
rectangleDiv.style.display='none'; 
dragableElementsParentBox.appendChild(rectangleDiv); 
document.body.onmousemove = moveDragableElement; 
document.body.onmouseup = stop_dragDropElement; 
document.body.onselectstart = cancelSelectionEvent; 
document.body.ondragstart = cancelEvent; 
window.onresize = repositionDragObjectArray; 
documentHeight = document.documentElement.clientHeight; 
} 
window.onload = initdragableElements; 
</script> 
<div id="mainContainer"> 
<!-- START DRAGABLE CONTENT --> 
<div id="dragableElementsParentBox"> 
<div class="bigArticle" dragableBox="true" id="article1"> 
<h4>Heading 1</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.</p> 
</div> 
<div class="smallArticle" dragableBox="true" id="article2"> 
<h4>Heading 2</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.</p> 
</div> 
<div class="smallArticle" dragableBox="true" id="article3"> 
<h4>Heading 3</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.</p> 
</div> 
<div class="bigArticle" dragableBox="true" id="article4"> 
<h4>Heading 4</h4> 
<p> Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.</p> 
</div> 
<div class="smallArticle" dragableBox="true" id="article5"> 
<h4>Heading 5</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.</p> 
</div> 
<div class="smallArticle" dragableBox="true" id="article6"> 
<h4>Heading 6</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.</p> 
</div> 
<div class="bigArticle" dragableBox="true" id="article7"> 
<h4>Heading 7</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.</p> 
</div> 
<div class="bigArticle" dragableBox="true" id="article8"> 
<h4>Heading 8</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.</p> 
</div> 
<div class="bigArticle" dragableBox="true" id="article9"> 
<h4>Heading 9</h4> 
<p>Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.</p> 
</div> 
<div class="clear" id="clear"></div> 
</div> 
<!-- END DRAGABLE CONTENT --> 
<input type="button" value="Save" onclick="saveData()"> 
</div> 
<!-- REQUIRED DIVS --> 
<div id="insertionMarker"> 
<img src="/jscss/demoimg/200906/marker_top.gif"> 
<img src="/jscss/demoimg/200906/marker_middle.gif" id="insertionMarkerLine"> 
<img src="/jscss/demoimg/200906/marker_bottom.gif"> 
</div> 
<!-- END REQUIRED DIVS --> 
</head> 
<body> 
</body> 
</html>

JavaScript模块随意拖动示例代码

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

Javascript 相关文章推荐
在一个form用一个SUBMIT(或button)分别提交到两个处理表单页面的代码
Feb 15 Javascript
浅谈JavaScript数据类型及转换
Feb 28 Javascript
jQuery position() 函数详解以及jQuery中position函数的应用
Dec 14 Javascript
再谈javascript注入 黑客必备！
Sep 14 Javascript
JavaScript登录记住密码操作(超简单代码)
Mar 22 Javascript
js移动端事件基础及常用事件库详解
Aug 15 Javascript
详解weex默认webpack.config.js改造
Jan 08 Javascript
浅谈vuepress 踩坑记
Apr 18 Javascript
JavaScript 下载svg图片为png格式
Jun 21 Javascript
Vue 之孙组件向爷组件通信的实现
Apr 23 Javascript
Vue发布项目实例讲解
Jul 17 Javascript
解决Vue动态加载本地图片问题
Oct 09 Javascript
javascript中不提供sleep功能如何实现这个功能
May 27 #Javascript
js实现网页自动刷新可制作节日倒计时效果
May 27 #Javascript
纯js实现遮罩层效果原理分析
May 27 #Javascript
使用jquery animate创建平滑滚动效果（可以是到顶部、到底部或指定地方）
May 27 #Javascript
JQuery获取表格数据示例代码
May 26 #Javascript
chrome下img加载对height()的影响示例探讨
May 26 #Javascript
chrome下jq width()方法取值为0的解决方法
May 26 #Javascript
小喇叭开始广播了(1) IC-R9500(1) 内存泄露(1) 微信(2) Spring(9) S-2000(1) 小喇叭(1) Lifecycle(1) PostMapping(1) 温控(1)
You might like
PHP header()函数使用详细(301、404等错误设置)
2013/04/17 PHP
C#静态方法与非静态方法实例分析
2014/09/22 PHP
PHP上传图片到数据库并显示的实例代码
2019/12/20 PHP
js常用函数 不错
2006/09/08 Javascript
JavaScript Accessor实现说明
2010/12/06 Javascript
jQuery - css() 方法示例详解
2014/01/16 Javascript
JS父页面与子页面相互传值方法
2014/03/05 Javascript
javascript创建动态表单的方法
2015/07/25 Javascript
使用jQuery实现WordPress中的Ctrl+Enter和@评论回复
2016/05/21 Javascript
VUEJS实战之利用laypage插件实现分页（3）
2016/06/13 Javascript
Json对象和字符串互相转换json数据拼接和JSON使用方式详细介绍(小结)
2016/10/25 Javascript
详解angularjs结合pagination插件实现分页功能
2017/02/10 Javascript
Js利用prototype自定义数组方法示例
2017/10/20 Javascript
把vue-router和express项目部署到服务器的方法
2018/02/21 Javascript
vue实现直播间点赞飘心效果的示例代码
2019/09/20 Javascript
vue  elementUI 表单嵌套验证的实例代码
2019/11/06 Javascript
jquery实现简单自动轮播图效果
2020/07/29 jQuery
scrapy自定义pipeline类实现将采集数据保存到mongodb的方法
2015/04/16 Python
深入理解Python 关于supper 的 用法和原理
2018/02/28 Python
python 爬虫一键爬取 淘宝天猫宝贝页面主图颜色图和详情图的教程
2018/05/22 Python
python遍历文件夹找出文件夹后缀为py的文件方法
2018/10/21 Python
深入浅析Python中的迭代器
2019/06/04 Python
Python基础学习之函数方法实例详解
2019/06/18 Python
python求平均数、方差、中位数的例子
2019/08/22 Python
HTML5之多线程(Web Worker)
2019/01/02 HTML / CSS
What's the difference between Debug and Trace class? (Debug类与Trace类有什么区别)
2013/09/10 面试题
一百多行代码实现react拖拽hooks
2021/03/23 Javascript
客服专员岗位职责范本
2013/11/29 职场文书
早读迟到检讨书
2014/01/24 职场文书
优秀大专毕业生求职信
2014/08/04 职场文书
公司周年庆活动方案
2014/08/25 职场文书
践行三严三实心得体会
2014/10/13 职场文书
服务员岗位职责范本
2015/04/09 职场文书
隐形的翅膀观后感
2015/06/10 职场文书
社区低保工作总结2015
2015/07/23 职场文书
Python函数式编程中itertools模块详解
2021/09/15 Python