1 line
8 KiB
JavaScript
1 line
8 KiB
JavaScript
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!function(win,dom){function MyScrollBar(o){this.init(o)}function getStyle(obj,name){return win.getComputedStyle?getComputedStyle(obj,null)[name]:obj.currentStyle[name]}function setStyle(obj,oStyle){for(var i in oStyle)obj.style[i]=oStyle[i]}function getOffsetSize(obj){var sDisplay=getStyle(obj,"display"),res={};if("none"!=sDisplay)res.width=obj.offsetWidth,res.height=obj.offsetHeight;else{var oldStyle={position:getStyle(obj,"position"),visibility:getStyle(obj,"visibility"),display:sDisplay},newStyle;setStyle(obj,{position:"absolute",visibility:"hidden",display:"inline-block"}),res.width=obj.offsetWidth,res.height=obj.offsetHeight,setStyle(obj,oldStyle)}return res}function getClientSize(obj){var iTopW=parseInt(getStyle(obj,"borderTopWidth")),iRightW=parseInt(getStyle(obj,"borderRightWidth")),iBottomW=parseInt(getStyle(obj,"borderBottomWidth")),iLeftW=parseInt(getStyle(obj,"borderLeftWidth")),oOffset=getOffsetSize(obj);return{width:oOffset.width<=0?oOffset.width:oOffset.width-iLeftW-iRightW,height:oOffset.height<=0?oOffset.height:oOffset.height-iTopW-iBottomW}}function canSelectText(bCan){bCan?(dom.body.style.mozUserSelect="text",dom.body.style.webkitUserSelect="text",dom.body.style.msUserSelect="text",dom.body.style.khtmlUserSelect="text",dom.body.style.userSelect="text"):(dom.body.style.mozUserSelect="none",dom.body.style.webkitUserSelect="none",dom.body.style.msUserSelect="none",dom.body.style.khtmlUserSelect="none",dom.body.style.userSelect="none")}function getPosition(obj,goal){var oPos={top:obj.offsetTop,left:obj.offsetLeft};if(obj.parentNode==goal)return oPos;var obj=getPosition(obj.parentNode,goal);oPos.top+=obj.top,oPos.left+=obj.left}MyScrollBar.prototype.init=function(o){this.bYBar=!1,this.iScrollTop=0,this.iScrollLeft=0,this.bYShow=!1,this.oWrapper=dom.getElementById(o.selId),this.oScroll=this.oWrapper.firstElementChild,this.setParam(o),this.addScrollBar(),this.initState(),this.initEvent()},MyScrollBar.prototype.initState=function(){var sWPosition;"static"==getStyle(this.oWrapper,"position")&&setStyle(this.oWrapper,{position:"relative"}),setStyle(this.oScroll,{position:"relative"}),this.bYBar&&(setStyle(this.oYBox,{display:this.enterShow?"none":"block",position:"absolute",top:0,right:0,zIndex:10,width:this.width+"px",height:"100%",backgroundColor:this.bgColor}),setStyle(this.oYBar,{position:"absolute",top:0,left:0,width:"100%",backgroundColor:this.barColor,borderRadius:this.borderRadius+"px",transition:"all "+this.time+"ms"})),this.setSize()},MyScrollBar.prototype.initEvent=function(){var _this=this,sUserAgent;-1!=win.navigator.userAgent.toLowerCase().indexOf("firefox")?this.oWrapper.addEventListener("DOMMouseScroll",function(e){_this.bYBar&&_this.bYShow&&(e.preventDefault(),_this.iScrollTop+=e.detail>0?60:-60,_this.iScrollTop=_this.iScrollTop<=0?0:_this.iScrollTop>=_this.iScrollH-_this.iWrapperH?_this.iScrollH-_this.iWrapperH:_this.iScrollTop,_this.setTransLate(),_this.setYTop(_this.iScrollTop/_this.iScrollH*_this.iYBoxH))}):this.oWrapper.onmousewheel=function(evt){if(_this.bYBar&&_this.bYShow){var e=evt||win.event;evt?e.preventDefault():e.returnValue=!1,_this.iScrollTop+=e.wheelDelta<0?60:-60,_this.iScrollTop=_this.iScrollTop<=0?0:_this.iScrollTop>=_this.iScrollH-_this.iWrapperH?_this.iScrollH-_this.iWrapperH:_this.iScrollTop,_this.setTransLate(),_this.setYTop(_this.iScrollTop/_this.iScrollH*_this.iYBoxH)}};var isInWrapper=!1;this.oWrapper.onmouseenter=function(){isInWrapper=!0,_this.enterShow&&_this.bYBar&&_this.bYShow&&setStyle(_this.oYBox,{display:"block"})},this.oWrapper.onmouseleave=function(){isInWrapper=!1,_this.enterShow&&_this.bYBar&&!bYDown&&_this.bYShow&&setStyle(_this.oYBox,{display:"none"})};var bYDown=!1,bYLeave=!0,iDownPageY=0,iYBarTop=0;this.bYBar&&(this.enterColor&&(this.oYBar.onmouseenter=function(){bYLeave=!1,setStyle(this,{backgroundColor:_this.enterColor})},this.oYBar.onmouseleave=function(){bYLeave=!0,bYDown||setStyle(this,{backgroundColor:_this.barColor})}),this.oYBar.onmousedown=function(e){_this.bYShow&&(bYDown=!0,iDownPageY=e.clientY+dom.documentElement.scrollTop||dom.body.scrollTop
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