js版sliderBar(滑动条)控件 - 王朝网络宽屏版

支持实时监控sliderbar的数据，允许有callback回调的函数，有示例

1、可自定样式SetStyle()

2、带有onSroll功能

3、有setSldPoint（设置位置)接口

4、有getSldPoint(取得位置）接口

5、可自己设置sliderBar的最大值（不是sliderbar的长度，而是值）

6、自定义微调功能（setIncrement(10))，默认为5；

代码有点乱，接口不能清晰的看出来，不好意思了，先用着吧

运行代码框

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>

<HEAD>

<TITLE> never Slider Bar </TITLE>

<style>

body { background-color:#fff; text-align:center; font-family:verdana; font-size:9pt; }

.sliderObj { width:350px; height:25px; background-color:#fff; border:1px solid #666666; }

.sliderBar { width:20px; background-color:#666666; border:1px solid #333; }

.sliderBtn { width:30px; background-color:#666666; color:#fff; border:1px solid #000000; }

.r-sliderObj { width:300px; height:25px; background-color:#fff; border:1px solid #CC0000; }

.r-sliderBar { width:20px; background-color:#CC0000; border:1px solid #333; }

.r-sliderBtn { width:20px; background-color:#CC0000; color:#fff; border:1px solid #000000; }

.g-sliderObj { width:300px; height:25px; background-color:#fff; border:1px solid #006600; }

.g-sliderBar { width:20px; background-color:#006600; border:1px solid #333; }

.g-sliderBtn { width:20px; background-color:#006600; color:#fff; border:1px solid #000000; }

.b-sliderObj { width:300px; height:25px; background-color:#fff; border:1px solid #003399; }

.b-sliderBar { width:20px; background-color:#003399; border:1px solid #333; }

.b-sliderBtn { width:20px; background-color:#003399; color:#fff; border:1px solid #000000; }

</style>

</HEAD>

<BODY>

<p>

<p>

<p>

<p>

<p>

<p>

<p>

<!--

/*===============================================================

// Module : never SliderBar

// Script by : never-online, blueDestiny

// Updated : 2006-5-12

// Copyright : Miracle technology all reserved

// Website : http://www.never-online.net

// Email : blueDestiny@126.com

// Blog : http://blog.csdn.net/blueDestiny

// Comment : if you using never SliderBar please hold

// these copyrights.

// compatible : only for IE

// History : none

================================================================*/

function neverSliderBar(id,callback) { with(this) {

this.$ = document.getElementById || document.all;

this.sldID = id;

this.sldObj = null;

this.instance = this;

this.barStyle = "sliderBar";

this.objStyle = "sliderObj";

this.btnStyle = "sliderBtn";

this.sldBar = null;

this.sldBtnL = null;

this.sldBtnR = null;

this.sldPoint = null;

this.sldMoved = false;

this.sldClicked = false;

this.callback = callback;

this.sldObjOffset = null;

this.sldBarOffset = null;

this.callbackArg = Array.prototype.slice.call(arguments,2);

this.sldMax = 100;

this.sldIncrement = 5;

this.sldPoint = 0;

//instance.init.call(this,id);

}};

neverSliderBar.prototype.setObjStyle=function(classname) { with(this)

{

objStyle=classname;

}};

neverSliderBar.prototype.setMaxPoint=function(maxpoint) { with(this)

{

sldMax=maxpoint;

}};

neverSliderBar.prototype.setBtnStyle=function(classname) { with(this)

{

btnStyle=classname;

}};

neverSliderBar.prototype.setBarStyle=function(classname) { with(this)

{

barStyle=classname;

}};

neverSliderBar.prototype.setStyle=function() { with(this)

{

if (arguments[0]) barStyle=arguments[0];

if (arguments[1]) btnStyle=arguments[1];

if (arguments[2]) objStyle=arguments[2];

}};

neverSliderBar.prototype.setIncrement=function(increment) { with(this)

{

if (isNaN(parseInt(increment))) return;

sldIncrement = parseInt(increment);

}};

neverSliderBar.prototype.getSldPoint=function() { with(this)

{

sldBarOffset = Offset(sldBar);

sldObjOffset = Offset(sldObj);

var sldObjwidth = sldObjOffset.w-sldBarOffset.w;

var sldBarwidth = sldBarOffset.l-sldObjOffset.l;

var sldLocation = parseInt(sldBarwidth/sldObjwidth*sldMax);

return sldLocation;

}};

neverSliderBar.prototype.setSldPoint=function(point) { with(this)

{

if (isNaN(parseInt(point))) return;

if (point<0) point=0;

if (point>sldMax) point=sldMax;

var sldObjwidth = sldObjOffset.w-sldBarOffset.w;

var sldBarwidth = sldBarOffset.l-sldObjOffset.l;

sldPoint = parseInt(point);

var p = parseInt(sldPoint*sldObjwidth/sldMax)+sldObjOffset.l+1;

sldBar.style.left = p;

instance.getSldPoint();

}};

neverSliderBar.prototype.init=function() { with(this)

{

if ($(sldID + '__BtnL') && $(sldID + '__BtnR') && $(sldID + '__Bar')) {

sldBtnL = $(sldID + '__BtnL');

sldBar = $(sldID + '__Bar');

sldBtnR = $(sldID + '__BtnR');

}

else {

sldBtnL = document.createElement("BUTTON");

sldBtnL.id = sldID + '__BtnL';

sldBar = document.createElement("DIV");

sldBar.id = sldID + '__Bar';

sldBtnR = document.createElement("BUTTON");

sldBtnR.id = sldID + '__BtnR';

document.body.appendChild(sldBtnL);

document.body.appendChild(sldBar);

document.body.appendChild(sldBtnR);

}

//-------------------------------------------------------------------

sldObj = $(sldID);

sldObj.className = objStyle;

sldBarOffset = Offset(sldBar);

sldObjOffset = Offset(sldObj);

//-------------------------------------------------------------------

sldBtnL.value = "<<";

sldBtnL.className = btnStyle;

sldBtnL.style.position = "absolute";

//-------------------------------------------------------------------

sldBtnR.value = ">";

sldBtnR.className = btnStyle;

sldBtnR.style.position = "absolute";

//-------------------------------------------------------------------

sldBar.className = barStyle;

sldBar.style.position = "absolute";

sldBar.style.top = sldObjOffset.t;

sldBar.style.height = sldObjOffset.h;

sldBar.style.left = sldObjOffset.l;

instance.fixed();

//-------------------------------------------------------------------

sldObj.onmousedown = function() {instance.handleObjBefore()};

sldObj.onmouseup = function() {instance.handleObjAfter()};

//-------------------------------------------------------------------

sldBtnL.onmousedown = function() {instance.handleBtnClick('l')};

sldBtnR.onmousedown = function() {instance.handleBtnClick('r')};

sldBtnL.onfocus = function() {this.blur()};

sldBtnR.onfocus = function() {this.blur()};

//-------------------------------------------------------------------

sldBar.onmousedown = function() {instance.handleSldDragStart()};

sldBar.onmousemove = function() {instance.handleSldDrag()};

sldBar.onmouseup = function() {instance.handleSldDragEnd()};

}};

neverSliderBar.prototype.fixed=function() { with(this)

{

sldBarOffset = Offset(sldBar);

sldObjOffset = Off

[1] [2] 下一页