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  51 随笔 :: 17 文章 :: 1151 评论 :: 28 引用

公告

V0.1(2006-11-10)

  • 纯JS,无须再加CSS
  • 支持键盘鼠标
  • 仅IE6+

V0.2(2006-11-16)

  • 修复了多个控件的下拉不隐藏的BUG
  • 修改下拉背景的透明问题

V0.3(2006-12-22)

  • 修复了键盘和鼠标选择的BUG
  • 增加了JS代码添加选项的功能

 V0.31(2006-12-25)

  • 修复了无匹配时下拉后的BUG

 

<HTML>
 
<HEAD>
  
<TITLE>AutoComplete</TITLE>
  
<META NAME="Generator" CONTENT="EditPlus">
  
<META NAME="Author" CONTENT="">
  
<META NAME="Keywords" CONTENT="">
  
<META NAME="Description" CONTENT="">
 
</HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!--

/**  
**    ==================================================================================================  
**    ClassName    :CLASS_AUTOCOMPLETE  
**    Intro        :a control similar IE Address Bar 
**    Example    :  
      Ver        : 0.31
    ---------------------------------------------------------------------------------------------------  
  
     nick:<INPUT size=30 name=q autolist='ba|ttyp|"|tt|typ|中国上海市|www.baidu.com|www.google.con|jimao8|中国|中|中国上海'>

     <SCRIPT LANGUAGE="JavaScript">
     <!--
        var acbar = new CLASS_AUOTCOMPLETE();
            acbar.setup(document.all.q);
     //-->

    < /SCRIPT>
  
    ---------------------------------------------------------------------------------------------------  
**    Author    :ttyp  
**    Email     :ttyp@21cn.com  
**    Date      :2006-12-25
**    ==================================================================================================  
*
*/  
  
    
function CLASS_AUOTCOMPLETE(ID){
        
        
var me = this;

        
this.contain = document.getElementById("__auto_complete_contain");
        
this.handle = null;
        
this.dropdown = false;
        
this.stopChange = false;
        
this.line = 0;
        
this.selectIndex = -1;
        
this.id = "";

        
if(ID!=null&&typeof(ID)!=undefined){
            
this.id = ID;
        }
else{
            
this.id = getNewId();
        }

        
function getNewId(){
            
return "ID_" + Math.random().toString().substring(2)
        }

        
this.add = function(s){
            
this.list[this.list.length] = s;
        }

        
this.sort = function(){
            
//sort
            shellSort(this.list);
        }

        
this.show = function(flag){

            
var contain = me.contain;                        
            
if(contain==null||typeof(contain)=="undefined"){
                contain 
= document.createElement("div");
                
var body = document.body;
                
if(typeof(body)!="undefined"){
                    body.appendChild(contain);
                }
                me.contain 
= contain;
            }
            
if(flag==undefined||flag==null){
                flag 
= true;
            }

            
if(flag){                
                
var w=1000,h=50,l,t;
                me.line 
= 0;
                
if(me.handle!=null&&typeof(me.handle)!="undefined"){
                    
var v = me.handle.value;
                    
if(me.list!=null&&typeof(me.list)!="undefined"){
                        
for(var i=contain.childNodes.length-1;i>=0;i--){
                            contain.removeChild(contain.childNodes[i]);
                        }
                        
var index = 0;
                        
for(var i=0;i<me.list.length;i++){
                            
if(me.list[i].indexOf(v)==0){
                                
var oo = document.createElement("div");
                                contain.appendChild(oo);
                                oo.innerText 
= me.list[i];
                                oo.style.height 
= "16px";
                                oo.style.width 
= "100%";
                                oo.style.overflow
="hidden";
                                oo.style.lineHeight
="120%";
                                oo.style.cursor 
= "hand";
                                oo.style.fontSize 
= "9pt";
                                oo.style.padding 
= "0 2 0 2";
                                oo.setAttribute(
"accoc",me.id + "__auto_complete_contain");
                                oo.setAttribute(
"sIndex",index);
                                oo.onmouseover 
= function(){
                                    
this.style.background = "highlight";
                                    
this.style.color = "highlighttext";
                                    
if(me.selectIndex>=0&&me.selectIndex!=this.getAttribute("sIndex")*1){
                                        
var oc = me.contain.childNodes[me.selectIndex];
                                            oc.style.background 
= "#ffffff";
                                            oc.style.color 
= "#000000";
                                    }
                                    me.selectIndex 
= this.getAttribute("sIndex")*1;
                                }
                                oo.onmouseout 
= function(){
                                    
this.style.background = "#ffffff";
                                    
this.style.color = "#000000";
                                }
                                oo.onclick
=function(){
                                    me.stopChange 
= true;
                                    me.handle.value 
= this.innerText;
                                    me.stopChange 
= false;
                                    me.show(
false);                                     
                                    
var r =me.handle.createTextRange(); 
                                    r.moveStart('character',me.handle.value.length); 
                                    r.collapse(
true); 
                                    r.select();
                                    me.handle.focus();
                                    me.selectIndex 
= -1;
                                }
                                oo.onfocus 
= function(){ me.handle.focus();}
                                oo.onblur 
= me.handle.onblur;
                                oo.onselectstart  
= function(){return false;};
                                me.line
++;
                                index
++;
                            }
                        }

                    }
                    w 
= me.handle.getBoundingClientRect().right - me.handle.getBoundingClientRect().left;
                    l 
= me.handle.getBoundingClientRect().left-2;
                    t 
= me.handle.getBoundingClientRect().bottom-2;
                }

                h 
= (me.line>6?6*16:me.line*16)+2;

                contain.style.position 
= "absolute";
                contain.style.top 
= t;
                contain.style.left 
= l;
                contain.style.width 
= w;
                contain.style.height 
= h;
                contain.style.overflowY  
= "auto";
                contain.style.overflowX 
= "hidden";      
                contain.style.backgroundColor 
= "#ffffff";
                contain.style.border 
= "1px solid black";
                contain.setAttribute(
"accoc",me.id + "__auto_complete_contain");
                contain.onblur 
= me.handle.onblur;
                contain.onselectstart  
= function(){return false;}
                contain.onfocus 
= function(){ me.handle.focus();}

                
if(me.line<=0){
                    contain.style.display 
= "none";
                }
else{
                    contain.style.display 
= "";
                }

            }
else{
                contain.style.display 
= "none";
            }
            
this.dropdown = flag;
        }

        
this.filter = function(){
            
this.show();
        }

        
this.getText = function(){
            
if(me.selectIndex>=0){
                me.handle.value 
= me.contain.childNodes[me.selectIndex].innerText;
                me.show(
false);
                
var r =me.handle.createTextRange(); 
                r.moveStart('character',me.handle.value.length); 
                r.collapse(
true); 
                r.select();
                me.handle.focus();
                me.selectIndex 
= -1;
            }
        }    

        
this.move = function(flag){
            
var osid = me.selectIndex;

            
if(me.dropdown==false){
                me.show(
true);
            }
            
if(flag){
                me.selectIndex
++;
            }
else{
                me.selectIndex
--;
            }
            
if(me.selectIndex>me.contain.childNodes.length-1){
                me.selectIndex 
= 0;
            }
            
if(me.selectIndex<0){
                me.selectIndex 
= me.contain.childNodes.length-1;
            }

            
if(osid>=0){
                
var d = me.contain.childNodes[osid];
                
if(d!=null&&typeof(d)!="undefined"){
                    d.style.background 
= "#ffffff";
                    d.style.color 
= "#000000";
                }
            }
            
            
if(me.selectIndex>=0){
                
var c = me.contain.childNodes[me.selectIndex];
                
if(c!=null&&typeof(c)!="undefined"){
                    c.style.background 
= "highlight";
                    c.style.color 
= "highlighttext";
                    c.scrollIntoView(
false);
                }
            }
        }

        
this.setup = function(o){
            
            
this.list = o.getAttribute("autolist").split("|");
            
//sort
            shellSort(this.list);
            o.setAttribute(
"accoc",me.id + "__auto_complete_contain");
            
this.handle = o;
            o.onpropertychange 
= function(){
                
if(event.propertyName=="value"){
                    
if(me.stopChange==false){
                        me.filter();
                    }
                }
            }
            o.ondblclick 
= function(){
                me.filter();
            }
            o.onkeydown
= function(){
                
switch(event.keyCode){
                    
case 38://up
                        me.move(false);
                        
break;
                    
case 40://down
                        me.move(true);
                        
break;
                    
case 13:
                        me.getText();
                        
break;
                    
default:
                        
//alert(event.keyCode);
                }
            }
            o.onblur
=function(){
                
var active = document.activeElement;
                
var stopHide = false;

                
if(active!=null){
                    
var ac = active.getAttribute("accoc");
                    
if(ac!=null&&typeof(ac)!="undefined"&&ac==me.id + "__auto_complete_contain"){    
                        stopHide 
= true;
                    }
                }
                
if(stopHide==false){
                    me.show(
false);
                }
            }
        }

        
function shellSort(arr){
            
for (var step = arr.length >> 1; step > 0; step >>= 1){
                
for (var i = 0; i < step; ++i){
                    
for (var j = i + step; j < arr.length; j += step){
                        
var k = j, value = arr[j];
                        
while (k >= step && arr[k - step] > value){
                            arr[k] 
= arr[k - step];
                            k 
-= step;
                        }
                        arr[k] 
= value;
                    }
                }
            }
        }
    }
//-->
</SCRIPT>
 
<BODY>
 nick:
<INPUT size=30 name=q autolist='ba|ttyp|"|tt|typ|中国上海市|jimao8|中国|中|中国上海'>
 addr:
<INPUT size=30 name=p autolist='www.baidu.com|www.google.con|www.cnblogs.com/ttyp'>
 
<SCRIPT LANGUAGE="JavaScript">
 
<!--
    
var acbar1 = new CLASS_AUOTCOMPLETE();
        acbar1.setup(document.all.q);
        acbar1.add(
"hello");
        acbar1.sort();

    
var acbar2 = new CLASS_AUOTCOMPLETE();
        acbar2.setup(document.all.p);
 
//-->
 </SCRIPT>
 
</BODY>
</HTML>
posted on 2006-11-10 17:26 ttyp 阅读(...) 评论(...) 编辑 收藏