IosSelect控件

/* eslint-disable */ /*! iScroll v5.2.0 ~ (c) 2008-2016 Matteo Spinelli ~ http://cubiq.org/license */ (function (window, document, Math) { var rAF = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) { window.setTimeout(callback, 1000 / 60); }; var utils = (function () { var me = {}; var _elementStyle = document.createElement('div').style; var _vendor = (function () { var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'], transform, i = 0, l = vendors.length; for ( ; i < l; i++ ) { transform = vendors[i] + 'ransform'; if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1); } return false; })(); function _prefixStyle (style) { if ( _vendor === false ) return false; if ( _vendor === '' ) return style; return _vendor + style.charAt(0).toUpperCase() + style.substr(1); } me.getTime = Date.now || function getTime () { return new Date().getTime(); }; me.extend = function (target, obj) { for ( var i in obj ) { target[i] = obj[i]; } }; me.addEvent = function (el, type, fn, capture) { el.addEventListener(type, fn, !!capture); }; me.removeEvent = function (el, type, fn, capture) { el.removeEventListener(type, fn, !!capture); }; me.prefixPointerEvent = function (pointerEvent) { return window.MSPointerEvent ? 'MSPointer' + pointerEvent.charAt(7).toUpperCase() + pointerEvent.substr(8): pointerEvent; }; me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) { var distance = current - start, speed = Math.abs(distance) / time, destination, duration; deceleration = deceleration === undefined ? 0.0006 : deceleration; destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 ); duration = speed / deceleration; if ( destination < lowerMargin ) { destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin; distance = Math.abs(destination - current); duration = distance / speed; } else if ( destination > 0 ) { destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0; distance = Math.abs(current) + destination; duration = distance / speed; } return { destination: Math.round(destination), duration: duration }; }; var _transform = _prefixStyle('transform'); me.extend(me, { hasTransform: _transform !== false, hasPerspective: _prefixStyle('perspective') in _elementStyle, hasTouch: 'ontouchstart' in window, hasPointer: !!(window.PointerEvent || window.MSPointerEvent), // IE10 is prefixed hasTransition: _prefixStyle('transition') in _elementStyle }); /* This should find all Android browsers lower than build 535.19 (both stock browser and webview) - galaxy S2 is ok - 2.3.6 : `AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1` - 4.0.4 : `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30` - galaxy S3 is badAndroid (stock brower, webview) `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30` - galaxy S4 is badAndroid (stock brower, webview) `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30` - galaxy S5 is OK `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)` - galaxy S6 is OK `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)` */ me.isBadAndroid = (function() { var appVersion = window.navigator.appVersion; // Android browser is not a chrome browser. if (/Android/.test(appVersion) && !(/Chrome\/\d/.test(appVersion))) { var safariVersion = appVersion.match(/Safari\/(\d+.\d)/); if(safariVersion && typeof safariVersion === "object" && safariVersion.length >= 2) { return parseFloat(safariVersion[1]) < 535.19; } else { return true; } } else { return false; } })(); me.extend(me.style = {}, { transform: _transform, transitionTimingFunction: _prefixStyle('transitionTimingFunction'), transitionDuration: _prefixStyle('transitionDuration'), transitionDelay: _prefixStyle('transitionDelay'), transformOrigin: _prefixStyle('transformOrigin') }); me.hasClass = function (e, c) { var re = new RegExp("(^|\\s)" + c + "(\\s|$)"); return re.test(e.className); }; me.addClass = function (e, c) { if ( me.hasClass(e, c) ) { return; } var newclass = e.className.split(' '); newclass.push(c); e.className = newclass.join(' '); }; me.removeClass = function (e, c) { if ( !me.hasClass(e, c) ) { return; } var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g'); e.className = e.className.replace(re, ' '); }; me.offset = function (el) { var left = -el.offsetLeft, top = -el.offsetTop; // jshint -W084 while (el = el.offsetParent) { left -= el.offsetLeft; top -= el.offsetTop; } // jshint +W084 return { left: left, top: top }; }; me.preventDefaultException = function (el, exceptions) { for ( var i in exceptions ) { if ( exceptions[i].test(el[i]) ) { return true; } } return false; }; me.extend(me.eventType = {}, { touchstart: 1, touchmove: 1, touchend: 1, mousedown: 2, mousemove: 2, mouseup: 2, pointerdown: 3, pointermove: 3, pointerup: 3, MSPointerDown: 3, MSPointerMove: 3, MSPointerUp: 3 }); me.extend(me.ease = {}, { quadratic: { style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)', fn: function (k) { return k * ( 2 - k ); } }, circular: { style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1) fn: function (k) { return Math.sqrt( 1 - ( --k * k ) ); } }, back: { style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)', fn: function (k) { var b = 4; return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1; } }, bounce: { style: '', fn: function (k) { if ( ( k /= 1 ) < ( 1 / 2.75 ) ) { return 7.5625 * k * k; } else if ( k < ( 2 / 2.75 ) ) { return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75; } else if ( k < ( 2.5 / 2.75 ) ) { return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375; } else { return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375; } } }, elastic: { style: '', fn: function (k) { var f = 0.22, e = 0.4; if ( k === 0 ) { return 0; } if ( k == 1 ) { return 1; } return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 );