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动态下拉框

    博客分类:
  • Ajax
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<html>
<head>
<title> 动态下拉框 </title>
<head>

<style>
body,div {
font-family:verdana;
line-height:100%;
font-size:9pt;
}
input {
width:300px;
}
h1 {
text-align:center;
font-size:2.2em;
}
#divf {
margin:10px;
font-size:0.8em;
text-align:center;
}
#divc {
border:1px solid #333333;
}
.des {
width:500px;
background-color:lightyellow;
border:1px solid #333;
padding:20px;
margin-top:20px;
}
.mouseover {
color:#ffffff;
background-color:highlight;
width:100%;
cursor:default;
}
.mouseout {
color:#000000;
width:100%;
background-color:#ffffff;
cursor:default;
}
</style>

<script language="JavaScript">
<!--
function jsAuto(instanceName,objID){
this._msg = [];
this._x = null;
this._o = document.getElementById( objID );
if (!this._o) return;
this._f = null;
this._i = instanceName;
this._r = null;
this._c = 0;
this._s = false;
this._v = null;
this._o.style.visibility = "hidden";
this._o.style.position = "absolute";
this._o.style.zIndex = "9999";
return this;
};

jsAuto.prototype.directionKey=function(){
with (this){
var e = _e.keyCode ? _e.keyCode : _e.which;
var l = _o.childNodes.length;
(_c>l-1 || _c<0) ? _s=false : "";

if(e==40 && _s){
_o.childNodes[_c].className="mouseout";
(_c >= l-1) ? _c=0 : _c ++;
_o.childNodes[_c].className="mouseover";
}
if(e==38 && _s){
_o.childNodes[_c].className="mouseout";
_c--<=0 ? _c = _o.childNodes.length-1 : "";
_o.childNodes[_c].className="mouseover";
}
if(e==13){
if(_o.childNodes[_c] && _o.style.visibility=="visible"){
_r.value = _x[_c];
_o.style.visibility = "hidden";
}
}
if(!_s){
_c = 0;
_o.childNodes[_c].className="mouseover";
_s = true;
}
}
};

// mouseEvent.
jsAuto.prototype.domouseover=function(obj){
with (this){
_o.childNodes[_c].className = "mouseout";
_c = 0;
obj.tagName=="DIV" ? obj.className="mouseover" : obj.parentElement.className="mouseover";
}
};

jsAuto.prototype.domouseout=function(obj){
obj.tagName=="DIV" ? obj.className="mouseout" : obj.parentElement.className="mouseout";
};

jsAuto.prototype.doclick=function(msg){
with (this){
if(_r){
_r.value = msg;
_o.style.visibility = "hidden";
}else{
alert("javascript autocomplete ERROR :\n\n can not get return object.");
return;
}
}
};

// object method;
jsAuto.prototype.item=function(msg){
if( msg.indexOf(",")>0 ){
var arrMsg=msg.split(",");
for(var i=0; i<arrMsg.length; i++){
arrMsg[i] ? this._msg.push(arrMsg[i]) : "";
}
}else{
this._msg.push(msg);
}
this._msg.sort();
};

jsAuto.prototype.append=function(msg){
with (this){
_i ? "" : _i = eval(_i);
_x.push(msg);
var div = document.createElement("DIV");
div.onmouseover = function(){_i.domouseover(this)};
div.onmouseout = function(){_i.domouseout(this)};
div.onclick = function(){_i.doclick(msg)};
var re  = new RegExp("(" + _v + ")","i");
div.style.lineHeight="140%";
div.className = "mouseout";
if (_v) div.innerHTML = msg.replace(re , "<strong>$1</strong>");
div.style.fontFamily = "verdana";
_o.appendChild(div);
}
};

jsAuto.prototype.display=function(){
with(this){
if(_f&&_v!=""){
_o.style.left = _r.offsetLeft;
_o.style.width = _r.offsetWidth;
_o.style.top = _r.offsetTop + _r.offsetHeight;
_o.style.visibility = "visible";
}else{
_o.style.visibility="hidden";
}
}
};

jsAuto.prototype.handleEvent=function(fValue,fID,event){
with (this){
var re;
_e = event;
var e = _e.keyCode ? _e.keyCode : _e.which;
_x = [];
_f = false;
_r = document.getElementById(fID);
_v = fValue;
_i = eval(_i);
re = new RegExp("^" + fValue + "", "i");
_o.innerHTML="";

for(var i=0; i<_msg.length; i++){
if(re.test(_msg[i])){
_i.append(_msg[i]);
_f = true;
}
}
_i ? _i.display() : alert("can not get instance");
if(_f){
if((e==38 || e==40 || e==13)){
_i.directionKey();
}else{
_c=0;
_o.childNodes[_c].className = "mouseover";
_s=true;
}
}
}
};
window.onerror=new Function("return true;");
//-->
</script>

<body>
<div align="center">
<table border="1" width="300" height="100">
<tr>
<td>
<div id="divc"><!--this is the autocomplete container.--></div>
<h1>动态下拉框</h1>
<div align="center"><input onkeyup="jsAutoInstance.handleEvent(this.value,'auto',event)" id="auto"></div>
<div id="divf">Power By wiiln</div>
</td>
</tr>
</table>
</div>
</body>
</html>


<script language="JavaScript">
<!--
var jsAutoInstance = new jsAuto("jsAutoInstance","divc");
jsAutoInstance.item("a-start,b-start,c-start,d-start,e-start,f-start,g-start,h-start,i-start,j-start,k-start,l-start,m-start,n-start,o-start,p-start,q-start,r-start,s-start,t-start,u-start,v-start,w-start,x-start,y-start,z-start,z-start");

jsAutoInstance.item("blueDestiny");
jsAutoInstance.item("BlueMiracle,Blue");
jsAutoInstance.item("angela,geniuslau");
jsAutoInstance.item("never-online");
//-->
</script>

Java软件工程师推荐书籍:
开发者突击:Struts 2核心技术与Java EE框架整合开发实战
轻量级Java EE企业应用实战——Struts 2+Spring+Hibernate
JAVA核心技术卷II:高级特性
全新正版《Java程序设计应用基础教程》石号仓
Java编程思想(第4版)

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评论
1 楼 elvishehai 2009-03-09  
不是我想要的

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