4 lines
8.8 KiB
JavaScript
4 lines
8.8 KiB
JavaScript
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/*! perfect-scrollbar - v0.5.7
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* http://noraesae.github.com/perfect-scrollbar/
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* Copyright (c) 2014 Hyunje Alex 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";function t(e){return"string"==typeof e?parseInt(e,10):~~e}var o={wheelSpeed:1,wheelPropagation:!1,minScrollbarLength:null,maxScrollbarLength:null,useBothWheelAxes:!1,useKeyboard:!0,suppressScrollX:!1,suppressScrollY:!1,scrollXMarginOffset:0,scrollYMarginOffset:0,includePadding:!1},n=0,r=function(){var e=n++;return function(t){var o=".perfect-scrollbar-"+e;return t===void 0?o:t+o}};e.fn.perfectScrollbar=function(n,l){return this.each(function(){function i(e,o){var n=e+o,r=E-W;I=0>n?0:n>r?r:n;var l=t(I*(D-E)/(E-W));S.scrollTop(l)}function a(e,o){var n=e+o,r=x-Y;X=0>n?0:n>r?r:n;var l=t(X*(M-x)/(x-Y));S.scrollLeft(l)}function c(e){return L.minScrollbarLength&&(e=Math.max(e,L.minScrollbarLength)),L.maxScrollbarLength&&(e=Math.min(e,L.maxScrollbarLength)),e}function s(){var e={width:x};e.left=O?S.scrollLeft()+x-M:S.scrollLeft(),B?e.bottom=q-S.scrollTop():e.top=H+S.scrollTop(),A.css(e);var t={top:S.scrollTop(),height:E};z?t.right=O?M-S.scrollLeft()-Q-N.outerWidth():Q-S.scrollLeft():t.left=O?S.scrollLeft()+2*x-M-F-N.outerWidth():F+S.scrollLeft(),_.css(t),K.css({left:X,width:Y-U}),N.css({top:I,height:W-G})}function d(){S.removeClass("ps-active-x"),S.removeClass("ps-active-y"),x=L.includePadding?S.innerWidth():S.width(),E=L.includePadding?S.innerHeight():S.height(),M=S.prop("scrollWidth"),D=S.prop("scrollHeight"),!L.suppressScrollX&&M>x+L.scrollXMarginOffset?(C=!0,Y=c(t(x*x/M)),X=t(S.scrollLeft()*(x-Y)/(M-x))):(C=!1,Y=0,X=0,S.scrollLeft(0)),!L.suppressScrollY&&D>E+L.scrollYMarginOffset?(k=!0,W=c(t(E*E/D)),I=t(S.scrollTop()*(E-W)/(D-E))):(k=!1,W=0,I=0,S.scrollTop(0)),X>=x-Y&&(X=x-Y),I>=E-W&&(I=E-W),s(),C&&S.addClass("ps-active-x"),k&&S.addClass("ps-active-y")}function u(){var t,o,n=!1;K.bind(j("mousedown"),function(e){o=e.pageX,t=K.position().left,A.addClass("in-scrolling"),n=!0,e.stopPropagation(),e.preventDefault()}),e(R).bind(j("mousemove"),function(e){n&&(a(t,e.pageX-o),d(),e.stopPropagation(),e.preventDefault())}),e(R).bind(j("mouseup"),function(){n&&(n=!1,A.removeClass("in-scrolling"))}),t=o=null}function p(){var t,o,n=!1;N.bind(j("mousedown"),function(e){o=e.pageY,t=N.position().top,n=!0,_.addClass("in-scrolling"),e.stopPropagation(),e.preventDefault()}),e(R).bind(j("mousemove"),function(e){n&&(i(t,e.pageY-o),d(),e.stopPropagation(),e.preventDefault())}),e(R).bind(j("mouseup"),function(){n&&(n=!1,_.removeClass("in-scrolling"))}),t=o=null}function f(e,t){var o=S.scrollTop();if(0===e){if(!k)return!1;if(0===o&&t>0||o>=D-E&&0>t)return!L.wheelPropagation}var n=S.scrollLeft();if(0===t){if(!C)return!1;if(0===n&&0>e||n>=M-x&&e>0)return!L.wheelPropagation}return!0}function v(){function e(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=e.originalEvent.wheelDeltaY/6),e.originalEvent.deltaMode&&1===e.originalEvent.deltaMode&&(t*=10,o*=10),t!==t&&o!==o&&(t=0,o=e.originalEvent.wheelDelta),[t,o]}function t(t){var n=e(t),r=n[0],l=n[1];o=!1,L.useBothWheelAxes?k&&!C?(l?S.scrollTop(S.scrollTop()-l*L.wheelSpeed):S.scrollTop(S.scrollTop()+r*L.wheelSpeed),o=!0):C&&!k&&(r?S.scrollLeft(S.scrollLeft()+r*L.wheelSpeed):S.scrollLeft(S.scrollLeft()-l*L.wheelSpeed),o=!0):(S.scrollTop(S.scrollTop()-l*L.wheelSpeed),S.scrollLeft(S.scrollLeft()+r*L.wheelSpeed)),d(),o=o||f(r,l),o&&(t.stopPropagation(),t.preventDefault())}var o=!1;window.onwheel!==void 0?S.bind(j("wheel"),t):window.onmousewheel!==void 0&&S.bind(j("mousewheel"),t)}function g(){var t=!1;S.bind(j("mouseenter"),function(){t=!0}),S.bind(j("mouseleave"),function(){t=!1});var o=!1;e(R).bind(j("keydown"),function(n){if((!n.isDefaultPrevented||!n.isDefaultPrevented())&&t){for(var r=document.activeElement?document.activeElement:R.activeElement;r.shadowRoot;)r=r.shadowRoot.activeElement;if(!e(r).is(":input,[contenteditable]")){var l=0,i=0;switch(n.which){case 37:l=-30;break;case 38:i=30;break;case 39:l=30;break;case 40:i=-30;break;case 33:i=90;break;case 32:
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