jquery.slimscroll.min.js

/*! Copyright (c) 2011 Piotr Rochala (http://rocha.la)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Version: 1.3.2
 *
 */
(function(e){jQuery.fn.extend({slimScroll:function(n){var r={width:"auto",height:"250px",size:"7px",color:"#000",position:"right",distance:"1px",start:"top",opacity:.4,alwaysVisible:false,disableFadeOut:false,railVisible:false,railColor:"#333",railOpacity:.2,railDraggable:true,railClass:"slimScrollRail",barClass:"slimScrollBar",wrapperClass:"slimScrollDiv",allowPageScroll:false,wheelStep:20,touchScrollStep:200,borderRadius:"7px",railBorderRadius:"7px"};var i=e.extend(r,n);this.each(function(){function x(t){if(!r){return}var t=t||window.event;var n=0;if(t.wheelDelta){n=-t.wheelDelta/120}if(t.detail){n=t.detail/3}var s=t.target||t.srcTarget||t.srcElement;if(e(s).closest("."+i.wrapperClass).is(m.parent())){T(n,true)}if(t.preventDefault&&!v){t.preventDefault()}if(!v){t.returnValue=false}}function T(e,t,n){v=false;var r=e;var s=m.outerHeight()-E.outerHeight();if(t){r=parseInt(E.css("top"))+e*parseInt(i.wheelStep)/100*E.outerHeight();r=Math.min(Math.max(r,0),s);r=e>0?Math.ceil(r):Math.floor(r);E.css({top:r+"px"})}c=parseInt(E.css("top"))/(m.outerHeight()-E.outerHeight());r=c*(m[0].scrollHeight-m.outerHeight());if(n){r=e;var u=r/m[0].scrollHeight*m.outerHeight();u=Math.min(Math.max(u,0),s);E.css({top:u+"px"})}m.scrollTop(r);m.trigger("slimscrolling",~~r);k();L()}function N(){if(window.addEventListener){window.addEventListener("DOMMouseScroll",x,false);window.addEventListener("mousewheel",x,false)}else{document.attachEvent("onmousewheel",x)}}function C(){l=Math.max(m.outerHeight()/m[0].scrollHeight*m.outerHeight(),d);E.css({height:l+"px"});var e=l==m.outerHeight()?"none":"block";E.css({display:e})}function k(){C();clearTimeout(a);if(c==~~c){v=i.allowPageScroll;if(h!=c){var e=~~c==0?"top":"bottom";m.trigger("slimscroll",e)}}else{v=false}h=c;if(l>=m.outerHeight()){v=true;return}E.stop(true,true).fadeIn("fast");if(i.railVisible){w.stop(true,true).fadeIn("fast")}}function L(){if(!i.alwaysVisible){a=setTimeout(function(){if(!(i.disableFadeOut&&r)&&!s&&!u){E.fadeOut("slow");w.fadeOut("slow")}},1e3)}}var r,s,u,a,f,l,c,h,p="<div></div>",d=30,v=false;var m=e(this);if(m.parent().hasClass(i.wrapperClass)){var g=m.scrollTop();E=m.parent().find("."+i.barClass);w=m.parent().find("."+i.railClass);C();if(e.isPlainObject(n)){if("height"in n&&n.height=="auto"){m.parent().css("height","auto");m.css("height","auto");var y=m.parent().parent().height();m.parent().css("height",y);m.css("height",y)}if("scrollTo"in n){g=parseInt(i.scrollTo)}else if("scrollBy"in n){g+=parseInt(i.scrollBy)}else if("destroy"in n){E.remove();w.remove();m.unwrap();return}T(g,false,true)}return}i.height=n.height=="auto"?m.parent().height():n.height;var b=e(p).addClass(i.wrapperClass).css({position:"relative",overflow:"hidden",width:i.width,height:i.height});m.css({overflow:"hidden",width:i.width,height:i.height});var w=e(p).addClass(i.railClass).css({width:i.size,height:"100%",position:"absolute",top:0,display:i.alwaysVisible&&i.railVisible?"block":"none","border-radius":i.railBorderRadius,background:i.railColor,opacity:i.railOpacity,zIndex:90});var E=e(p).addClass(i.barClass).css({background:i.color,width:i.size,position:"absolute",top:0,opacity:i.opacity,display:i.alwaysVisible?"block":"none","border-radius":i.borderRadius,BorderRadius:i.borderRadius,MozBorderRadius:i.borderRadius,WebkitBorderRadius:i.borderRadius,zIndex:99});var S=i.position=="right"?{right:i.distance}:{left:i.distance};w.css(S);E.css(S);m.wrap(b);m.parent().append(E);m.parent().append(w);if(i.railDraggable){E.bind("mousedown",function(n){var r=e(document);u=true;t=parseFloat(E.css("top"));pageY=n.pageY;r.bind("mousemove.slimscroll",function(e){currTop=t+e.pageY-pageY;E.css("top",currTop);T(0,E.position().top,false)});r.bind("mouseup.slimscroll",function(e){u=false;L();r.unbind(".slimscroll")});return false}).bind("selectstart.slimscroll",function(e){e.stopPropagation();e.preventDefault();return false})}w.hover(function(){k()},function(){L()});E.hover(function(){s=true},function(){s=false});m.hover(function(){r=true;k();L()},function(){r=false;L()});m.bind("touchstart",function(e,t){if(e.originalEvent.touches.length){f=e.originalEvent.touches[0].pageY}});m.bind("touchmove",function(t){if(!v){t.originalEvent.preventDefault()}if(t.originalEvent.touches.length){var n=(f-t.originalEvent.touches[0].pageY)/i.touchScrollStep;var r=t.target||t.srcTarget||t.srcElement;if(e(r).closest("."+i.wrapperClass).is(m.parent())){T(n,true)}f=t.originalEvent.touches[0].pageY}});C();if(i.start==="bottom"){E.css({top:m.outerHeight()-E.outerHeight()});T(0,true)}else if(i.start!=="top"){T(e(i.start).position().top,null,true);if(!i.alwaysVisible){E.hide()}}N()});return this}});jQuery.fn.extend({slimscroll:jQuery.fn.slimScroll})})(jQuery)