4 lines
6.8 KiB
JavaScript
Executable file
4 lines
6.8 KiB
JavaScript
Executable file
/*! perfect-scrollbar - v0.4.9
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* http://noraesae.github.com/perfect-scrollbar/
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* Copyright (c) 2014 Hyeonje Jun; Licensed MIT */
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(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:10,wheelPropagation:!1,minScrollbarLength:null,useBothWheelAxes:!1,useKeyboard:!0,suppressScrollX:!1,suppressScrollY:!1,scrollXMarginOffset:0,scrollYMarginOffset:0,includePadding:!1},n=function(){var e=0;return function(){var t=e;return e+=1,".perfect-scrollbar-"+t}}();e.fn.perfectScrollbar=function(o,r){return this.each(function(){var l=e.extend(!0,{},t),a=e(this);if("object"==typeof o?e.extend(!0,l,o):r=o,"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,u,d,p,f,h,b,v,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),y=parseInt(g.css("bottom"),10),L=parseInt(m.css("right"),10),S=n(),I=function(e,t){var n=e+t,o=u-b;v=0>n?0:n>o?o:n;var r=parseInt(v*(p-u)/(u-b),10);a.scrollTop(r),g.css({bottom:y-r})},C=function(e,t){var n=e+t,o=c-f;h=0>n?0:n>o?o:n;var r=parseInt(h*(d-c)/(c-f),10);a.scrollLeft(r),m.css({right:L-r})},P=function(e){return l.minScrollbarLength&&(e=Math.max(e,l.minScrollbarLength)),e},X=function(){g.css({left:a.scrollLeft(),bottom:y-a.scrollTop(),width:c,display:s?"inherit":"none"}),m.css({top:a.scrollTop(),right:L-a.scrollLeft(),height:u,display:i?"inherit":"none"}),w.css({left:h,width:f}),T.css({top:v,height:b})},Y=function(){c=l.includePadding?a.innerWidth():a.width(),u=l.includePadding?a.innerHeight():a.height(),d=a.prop("scrollWidth"),p=a.prop("scrollHeight"),!l.suppressScrollX&&d>c+l.scrollXMarginOffset?(s=!0,f=P(parseInt(c*c/d,10)),h=parseInt(a.scrollLeft()*(c-f)/(d-c),10)):(s=!1,f=0,h=0,a.scrollLeft(0)),!l.suppressScrollY&&p>u+l.scrollYMarginOffset?(i=!0,b=P(parseInt(u*u/p,10)),v=parseInt(a.scrollTop()*(u-b)/(p-u),10)):(i=!1,b=0,v=0,a.scrollTop(0)),v>=u-b&&(v=u-b),h>=c-f&&(h=c-f),X()},k=function(){var t,n;w.bind("mousedown"+S,function(e){n=e.pageX,t=w.position().left,g.addClass("in-scrolling"),e.stopPropagation(),e.preventDefault()}),e(document).bind("mousemove"+S,function(e){g.hasClass("in-scrolling")&&(C(t,e.pageX-n),e.stopPropagation(),e.preventDefault())}),e(document).bind("mouseup"+S,function(){g.hasClass("in-scrolling")&&g.removeClass("in-scrolling")}),t=n=null},x=function(){var t,n;T.bind("mousedown"+S,function(e){n=e.pageY,t=T.position().top,m.addClass("in-scrolling"),e.stopPropagation(),e.preventDefault()}),e(document).bind("mousemove"+S,function(e){m.hasClass("in-scrolling")&&(I(t,e.pageY-n),e.stopPropagation(),e.preventDefault())}),e(document).bind("mouseup"+S,function(){m.hasClass("in-scrolling")&&m.removeClass("in-scrolling")}),t=n=null},D=function(e,t){var n=a.scrollTop();if(0===e){if(!i)return!1;if(0===n&&t>0||n>=p-u&&0>t)return!l.wheelPropagation}var o=a.scrollLeft();if(0===t){if(!s)return!1;if(0===o&&0>e||o>=d-c&&e>0)return!l.wheelPropagation}return!0},M=function(){l.wheelSpeed/=10;var e=!1;a.bind("mousewheel"+S,function(t,n,o,r){var c=t.deltaX*t.deltaFactor||o,u=t.deltaY*t.deltaFactor||r;e=!1,l.useBothWheelAxes?i&&!s?(u?a.scrollTop(a.scrollTop()-u*l.wheelSpeed):a.scrollTop(a.scrollTop()+c*l.wheelSpeed),e=!0):s&&!i&&(c?a.scrollLeft(a.scrollLeft()+c*l.wheelSpeed):a.scrollLeft(a.scrollLeft()-u*l.wheelSpeed),e=!0):(a.scrollTop(a.scrollTop()-u*l.wheelSpeed),a.scrollLeft(a.scrollLeft()+c*l.wheelSpeed)),Y(),e=e||D(c,u),e&&(t.stopPropagation(),t.preventDefault())}),a.bind("MozMousePixelScroll"+S,function(t){e&&t.preventDefault()})},j=function(){var t=!1;a.bind("mouseenter"+S,function(){t=!0}),a.bind("mouseleave"+S,function(){t=!1});var n=!1;e(document).bind("keydown"+S,function(o){if(t&&!e(document.activeElement).is(":input,[contenteditable]")){var r=0,l=0;switch(o.which){case 37:r=-30;break;case 38:l=30;break;case 39:r=30;break;case 40:l=-30;break;case 33:l=90;break;case 32:case 34:l=-90;break;case 35:l=-u;break;case 36:l=u;break;default:return}a.scrollTop(a.scrollTop()-l),a.scrollLeft(a.scrollLeft()+r),n=D(r,l),n&&o.preventDefault()}})},E=function(){var e=function(e){e.stopPropagation()};T.bind("click"+S,e),m.bind("click"+S,function(e){var t=parseInt(b/2,10),n=e.pageY-m.offset().top-t,o=u-b,r=n/o;0>r?r=0:r>1&&(r=1),a.scrollTop((p-u)*r)}),w.bind("click"+S,e),g.bind("click"+S,function(e){var t=parseInt(f/2,10),n=e.pageX-g.offset().left-t,o=c-f,r=n/o;0>r?r=0:r>1&&(r=1),a.scrollLeft((d-c)*r)})},O=function(){var t=function(e,t){a.scrollTop(a.scrollTop()-t),a.scrollLeft(a.scrollLeft()-e),Y()},n={},o=0,r={},l=null,s=!1;e(window).bind("touchstart"+S,function(){s=!0}),e(window).bind("touchend"+S,function(){s=!1}),a.bind("touchstart"+S,function(e){var t=e.originalEvent.targetTouches[0];n.pageX=t.pageX,n.pageY=t.pageY,o=(new Date).getTime(),null!==l&&clearInterval(l),e.stopPropagation()}),a.bind("touchmove"+S,function(e){if(!s&&1===e.originalEvent.targetTouches.length){var l=e.originalEvent.targetTouches[0],a={};a.pageX=l.pageX,a.pageY=l.pageY;var i=a.pageX-n.pageX,c=a.pageY-n.pageY;t(i,c),n=a;var u=(new Date).getTime(),d=u-o;d>0&&(r.x=i/d,r.y=c/d,o=u),e.preventDefault()}}),a.bind("touchend"+S,function(){clearInterval(l),l=setInterval(function(){return.01>Math.abs(r.x)&&.01>Math.abs(r.y)?(clearInterval(l),void 0):(t(30*r.x,30*r.y),r.x*=.8,r.y*=.8,void 0)},10)})},W=function(){a.bind("scroll"+S,function(){Y()})},q=function(){a.unbind(S),e(window).unbind(S),e(document).unbind(S),a.data("perfect-scrollbar",null),a.data("perfect-scrollbar-update",null),a.data("perfect-scrollbar-destroy",null),w.remove(),T.remove(),g.remove(),m.remove(),w=T=c=u=d=p=f=h=y=b=v=L=null},A=function(t){a.addClass("ie").addClass("ie"+t);var n=function(){var t=function(){e(this).addClass("hover")},n=function(){e(this).removeClass("hover")};a.bind("mouseenter"+S,t).bind("mouseleave"+S,n),g.bind("mouseenter"+S,t).bind("mouseleave"+S,n),m.bind("mouseenter"+S,t).bind("mouseleave"+S,n),w.bind("mouseenter"+S,t).bind("mouseleave"+S,n),T.bind("mouseenter"+S,t).bind("mouseleave"+S,n)},o=function(){X=function(){w.css({left:h+a.scrollLeft(),bottom:y,width:f}),T.css({top:v+a.scrollTop(),right:L,height:b}),w.hide().show(),T.hide().show()}};6===t&&(n(),o())},B="ontouchstart"in window||window.DocumentTouch&&document instanceof window.DocumentTouch,F=function(){var e=navigator.userAgent.toLowerCase().match(/(msie) ([\w.]+)/);e&&"msie"===e[1]&&A(parseInt(e[2],10)),Y(),W(),k(),x(),E(),B&&O(),a.mousewheel&&M(),l.useKeyboard&&j(),a.data("perfect-scrollbar",a),a.data("perfect-scrollbar-update",Y),a.data("perfect-scrollbar-destroy",q)};return F(),a})}}); |