2014-09-28 08:30:58 +08:00
|
|
|
(function(e){"use strict";"function"==typeof define&&define.amd?define(["jquery"],e):"object"==typeof exports?e(require("jquery")):e(jQuery)})(function(e){"use strict";var t={wheelSpeed:1,wheelPropagation:!1,minScrollbarLength:null,maxScrollbarLength:null,useBothWheelAxes:!1,useKeyboard:!0,suppressScrollX:!1,suppressScrollY:!1,scrollXMarginOffset:0,scrollYMarginOffset:0,includePadding:!1},o=function(){var e=0;return function(){var t=e;return e+=1,".perfect-scrollbar-"+t}}();e.fn.perfectScrollbar=function(n,r){return this.each(function(){var l=e.extend(!0,{},t),a=e(this);if("object"==typeof n?e.extend(!0,l,n):r=n,"update"===r)return a.data("perfect-scrollbar-update")&&a.data("perfect-scrollbar-update")(),a;if("destroy"===r)return a.data("perfect-scrollbar-destroy")&&a.data("perfect-scrollbar-destroy")(),a;if(a.data("perfect-scrollbar"))return a.data("perfect-scrollbar");a.addClass("ps-container");var s,i,c,d,u,p,f,v,h,b,g=e("<div class='ps-scrollbar-x-rail'></div>").appendTo(a),m=e("<div class='ps-scrollbar-y-rail'></div>").appendTo(a),w=e("<div class='ps-scrollbar-x'></div>").appendTo(g),T=e("<div class='ps-scrollbar-y'></div>").appendTo(m),L=parseInt(g.css("bottom"),10),y=L===L,I=y?null:parseInt(g.css("top"),10),S=parseInt(m.css("right"),10),C=S===S,x=C?null:parseInt(m.css("left"),10),D="rtl"===a.css("direction"),X=o(),Y=parseInt(g.css("borderLeftWidth"),10)+parseInt(g.css("borderRightWidth"),10),P=parseInt(g.css("borderTopWidth"),10)+parseInt(g.css("borderBottomWidth"),10),k=function(e,t){var o=e+t,n=d-h;b=0>o?0:o>n?n:o;var r=parseInt(b*(p-d)/(d-h),10);a.scrollTop(r)},E=function(e,t){var o=e+t,n=c-f;v=0>o?0:o>n?n:o;var r=parseInt(v*(u-c)/(c-f),10);a.scrollLeft(r)},M=function(e){return l.minScrollbarLength&&(e=Math.max(e,l.minScrollbarLength)),l.maxScrollbarLength&&(e=Math.min(e,l.maxScrollbarLength)),e},W=function(){var e={width:c,display:s?"inherit":"none"};e.left=D?a.scrollLeft()+c-u:a.scrollLeft(),y?e.bottom=L-a.scrollTop():e.top=I+a.scrollTop(),g.css(e);var t={top:a.scrollTop(),height:d,display:i?"inherit":"none"};C?t.right=D?u-a.scrollLeft()-S-T.outerWidth():S-a.scrollLeft():t.left=D?a.scrollLeft()+2*c-u-x-T.outerWidth():x+a.scrollLeft(),m.css(t),w.css({left:v,width:f-Y}),T.css({top:b,height:h-P}),s?a.addClass("ps-active-x"):a.removeClass("ps-active-x"),i?a.addClass("ps-active-y"):a.removeClass("ps-active-y")},j=function(){g.hide(),m.hide(),c=l.includePadding?a.innerWidth():a.width(),d=l.includePadding?a.innerHeight():a.height(),u=a.prop("scrollWidth"),p=a.prop("scrollHeight"),!l.suppressScrollX&&u>c+l.scrollXMarginOffset?(s=!0,f=M(parseInt(c*c/u,10)),v=parseInt(a.scrollLeft()*(c-f)/(u-c),10)):(s=!1,f=0,v=0,a.scrollLeft(0)),!l.suppressScrollY&&p>d+l.scrollYMarginOffset?(i=!0,h=M(parseInt(d*d/p,10)),b=parseInt(a.scrollTop()*(d-h)/(p-d),10)):(i=!1,h=0,b=0,a.scrollTop(0)),b>=d-h&&(b=d-h),v>=c-f&&(v=c-f),W(),l.suppressScrollX||g.show(),l.suppressScrollY||m.show()},O=function(){var t,o;w.bind("mousedown"+X,function(e){o=e.pageX,t=w.position().left,g.addClass("in-scrolling"),e.stopPropagation(),e.preventDefault()}),e(document).bind("mousemove"+X,function(e){g.hasClass("in-scrolling")&&(E(t,e.pageX-o),j(),e.stopPropagation(),e.preventDefault())}),e(document).bind("mouseup"+X,function(){g.hasClass("in-scrolling")&&g.removeClass("in-scrolling")}),t=o=null},q=function(){var t,o;T.bind("mousedown"+X,function(e){o=e.pageY,t=T.position().top,m.addClass("in-scrolling"),e.stopPropagation(),e.preventDefault()}),e(document).bind("mousemove"+X,function(e){m.hasClass("in-scrolling")&&(k(t,e.pageY-o),j(),e.stopPropagation(),e.preventDefault())}),e(document).bind("mouseup"+X,function(){m.hasClass("in-scrolling")&&m.removeClass("in-scrolling")}),t=o=null},A=function(e,t){var o=a.scrollTop();if(0===e){if(!i)return!1;if(0===o&&t>0||o>=p-d&&0>t)return!l.wheelPropagation}var n=a.scrollLeft();if(0===t){if(!s)return!1;if(0===n&&0>e||n>=u-c&&e>0)return!l.wheelPropagation}return!0},B=function(){var e=!1,t=function(e){var t=e.originalEvent.deltaX,o=-1*e.originalEvent.deltaY;return(t===void 0||o===void 0)&&(t=-1*e.originalEvent.wheelDeltaX/6,o=
|