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JS+CSS制作可拖动聊天窗口

添加时间:2010-1-5
    相关阅读: HTML CSS 制作

一个可以拖动的聊天窗口层,兼容IE和FF:

 
<!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">
  <meta http-equiv="content-script-type" content="text/javascript">
  <meta http-equiv="content-style-type" content="text/css">
  <title>DoDi Chat v1.0 Beta</title>
  <style rel="stylesheet" type="text/css" media="all" />
  <!--
  body {
    text-align:left;
    margin:0;
    font:normal 12px Verdana, Arial;
    background:#FFEEFF
  }
  form {
    margin:0;
    font:normal 12px Verdana, Arial;
  }
  table,input {
    font:normal 12px Verdana, Arial;
  }
  a:link,a:visited{
    text-decoration:none;
    color:#333333;
  }
  a:hover{
    text-decoration:none;
    color:#FF6600
  }
  #main {
    width:400px;
    position:absolute;
    left:600px;
    top:100px;
    background:#EFEFFF;
    text-align:left;
    filter:Alpha(opacity=90)
  }
  #ChatHead {
    text-align:right;
    padding:3px;
    border:1px solid #003399;
    background:#DCDCFF;
    font-size:11px;
    color:#3366FF;
    cursor:move;
  }
  #ChatHead a:link,#ChatHead a:visited, {
    font-size:14px;
    font-weight:bold;
    padding:0 3px
  }
  #ChatBody {
    border:1px solid #003399;
    border-top:none;
    padding:2px;
  }
  #ChatContent {
    height:200px;
    padding:6px;
    overflow-y:scroll;
    word-break: break-all
  }
  #ChatBtn {
    border-top:1px solid #003399;
    padding:2px
  }
  -->
  </style>
  <script language="javascript" type="text/javascript">
  <!--
  function $(d){return document.getElementById(d);}
  function gs(d){var t=$(d);if (t){return t.style;}else{return null;}}
  function gs2(d,a){
    if (d.currentStyle){
      var curVal=d.currentStyle[a]
    }else{
      var curVal=document.defaultView.getComputedStyle(d, null)[a]
    }
    return curVal;
  }
  function ChatHidden(){gs("ChatBody").display = "none";}
  function ChatShow(){gs("ChatBody").display = "";}
  function ChatClose(){gs("main").display = "none";}
  function ChatSend(obj){
    var o = obj.ChatValue;
    if (o.value.length>0){
      $("ChatContent").innerHTML += "<strong>Akon说:</strong>"+o.value+"<br/>";
      o.value='';
    }
  }

  if  (document.getElementById){
    (
      function(){
        if (window.opera){ document.write("<input type='hidden' id='Q' value=' '>"); }
     
        var n = 500;
        var dragok = false;
        var y,x,d,dy,dx;
       
        function move(e)
        {
          if (!e) e = window.event;
          if (dragok){
            d.style.left = dx + e.clientX - x + "px";
            d.style.top  = dy + e.clientY - y + "px";
            return false;
          }
        }
       
        function down(e){
          if (!e) e = window.event;
          var temp = (typeof e.target != "undefined")?e.target:e.srcElement;
          if (temp.tagName != "HTML"|"BODY" && temp.className != "dragclass"){
            temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
          }
          if('TR'==temp.tagName){
            temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
            temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
            temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
          }
       
          if (temp.className == "dragclass"){
            if (window.opera){ document.getElementById("Q").focus(); }
            dragok = true;
            temp.style.zIndex = n++;
            d = temp;
            dx = parseInt(gs2(temp,"left"))|0;
            dy = parseInt(gs2(temp,"top"))|0;
            x = e.clientX;
            y = e.clientY;
            document.onmousemove = move;
            return false;
          }
        }
       
        function up(){
          dragok = false;
          document.onmousemove = null;
        }
       
        document.onmousedown = down;
        document.onmouseup = up;
     
      }
    )();
  }
  -->
  </script>
</head>

<body>
<div id="main" class="dragclass" style="left:600px;top:300px;">
  <div id="ChatHead">
    <a href="#" onclick="ChatHidden();">-</a>
    <a href="#" onclick="ChatShow();">+</a>
    <a href="#" onclick="ChatClose();">x</a>
  </div>
  <div id="ChatBody">
    <div id="ChatContent"></div>
    <div id="ChatBtn">
      <form action="" name="chat" method="post">
      <textarea name="ChatValue" rows="3" style="width:350px"></textarea>
      <input name="Submit" type="button" value="Chat" onclick="ChatSend(this.form);" />
      </form>
    </div>
  </div>
</div>

</body>
</html>

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