1717 lines
58 KiB
JavaScript
1717 lines
58 KiB
JavaScript
/**
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* IosSelect
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* @param {number} level 选择的层级 1 2 3 4 5 6 最多支持6层
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* @param {...Array} data [oneLevelData[, twoLevelData[, threeLevelData[, fourLevelData[, fiveLevelData[, sixLevelData]]]]]] 可以用数组，也可以用方法
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* @param {Object} options
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* @param {string=} options.container 组件插入到该元素下 可选
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* @param {Function} options.callback 选择完毕后的回调函数
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* @param {Function} options.fallback 选择取消后的回调函数
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* @param {Function} options.maskCallback 点击背景层关闭组件时触发的方法
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* @param {string=} options.title 选择框title
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* @param {number=} options.itemHeight 每一项的高度，默认 35
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* @param {number=} options.itemShowCount 组件展示的项数，默认 7，可选3,5,7,9，不过不是3,5,7,9则展示7项
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* @param {number=} options.headerHeight 组件标题栏高度 默认 44
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* @param {css=} options.cssUnit px或者rem 默认是px
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* @param {string=} options.addClassName 组件额外类名 用于自定义样式
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* @param {...Array=} options.relation 数组 [oneTwoRelation, twoThreeRelation, threeFourRelation, fourFiveRelation] 默认值：[0, 0, 0, 0, 0, 0]
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* @param {number=} options.relation.oneTwoRelation 第一列和第二列是否通过parentId关联
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* @param {number=} options.relation.twoThreeRelation 第二列和第三列是否通过parentId关联
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* @param {number=} options.relation.threeFourRelation 第三列和第四列是否通过parentId关联
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* @param {number=} options.relation.fourFiveRelation 第四列和第五列是否通过parentId关联
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* @param {number=} options.relation.fiveSixRelation 第五列和第六列是否通过parentId关联
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* @param {string=} options.oneLevelId 第一级选中id
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* @param {string=} options.twoLevelId 第二级选中id
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* @param {string=} options.threeLevelId 第三级选中id
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* @param {string=} options.fourLevelId 第四级选中id
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* @param {string=} options.fiveLevelId 第五级选中id
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* @param {string=} options.sixLevelId 第六级选中id
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* @param {boolean=} options.showLoading 如果你的数据是异步加载的，可以使用该参数设置为true，下拉菜单会有加载中的效果
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* @param {boolean=} options.showAnimate 是否需要入场动画和退场动画，如需自定义动画效果，请修改css
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*/
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(function() {
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/* modify by zhoushengmufc,based on iScroll v5.2.0 */
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var rAF = window.requestAnimationFrame ||
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window.webkitRequestAnimationFrame ||
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window.mozRequestAnimationFrame ||
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window.oRequestAnimationFrame ||
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window.msRequestAnimationFrame ||
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function (callback) { window.setTimeout(callback, 1000 / 60); };
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var aF = (function () {
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var eleStyle = document.createElement('div').style;
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var verdors = ['a', 'webkitA', 'MozA', 'OA', 'msA'];
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var endEvents = ['animationend', 'webkitAnimationEnd', 'animationend', 'oAnimationEnd', 'MSAnimationEnd'];
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var animation;
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for (var i = 0, len = verdors.length; i < len; i++) {
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animation = verdors[i] + 'nimation';
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if (animation in eleStyle) {
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return endEvents[i];
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}
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}
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return 'animationend';
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}());
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var utils = (function () {
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var me = {};
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var _elementStyle = document.createElement('div').style;
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var _vendor = (function () {
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var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'],
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transform,
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i = 0,
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l = vendors.length;
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for ( ; i < l; i++ ) {
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transform = vendors[i] + 'ransform';
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if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1);
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}
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return false;
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})();
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function _prefixStyle (style) {
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if ( _vendor === false ) return false;
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if ( _vendor === '' ) return style;
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return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
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}
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me.getTime = Date.now || function getTime () { return new Date().getTime(); };
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me.extend = function (target, obj) {
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for ( var i in obj ) {
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target[i] = obj[i];
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}
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};
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me.addEvent = function (el, type, fn, capture) {
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el.addEventListener(type, fn, !!capture);
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};
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me.removeEvent = function (el, type, fn, capture) {
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el.removeEventListener(type, fn, !!capture);
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};
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me.prefixPointerEvent = function (pointerEvent) {
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return window.MSPointerEvent ?
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'MSPointer' + pointerEvent.charAt(7).toUpperCase() + pointerEvent.substr(8):
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pointerEvent;
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};
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me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) {
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var distance = current - start,
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speed = Math.abs(distance) / time,
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destination,
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duration;
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deceleration = deceleration === undefined ? 0.0006 : deceleration;
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destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 );
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duration = speed / deceleration;
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if ( destination < lowerMargin ) {
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destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin;
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distance = Math.abs(destination - current);
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duration = distance / speed;
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} else if ( destination > 0 ) {
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destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0;
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distance = Math.abs(current) + destination;
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duration = distance / speed;
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}
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return {
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destination: Math.round(destination),
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duration: duration
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};
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};
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var _transform = _prefixStyle('transform');
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var isWechatDevTool = navigator.userAgent.toLowerCase().indexOf('wechatdevtools') > -1;
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me.extend(me, {
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hasTransform: _transform !== false,
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hasPerspective: _prefixStyle('perspective') in _elementStyle,
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hasTouch: 'ontouchstart' in window || isWechatDevTool,
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hasPointer: !!(window.PointerEvent || window.MSPointerEvent), // IE10 is prefixed
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hasTransition: _prefixStyle('transition') in _elementStyle
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});
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/*
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This should find all Android browsers lower than build 535.19 (both stock browser and webview)
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- galaxy S2 is ok
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- 2.3.6 : `AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1`
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- 4.0.4 : `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
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- galaxy S3 is badAndroid (stock brower, webview)
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`AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
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- galaxy S4 is badAndroid (stock brower, webview)
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`AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
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- galaxy S5 is OK
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`AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
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- galaxy S6 is OK
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`AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
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*/
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me.isBadAndroid = (function() {
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var appVersion = window.navigator.appVersion;
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// Android browser is not a chrome browser.
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if (/Android/.test(appVersion) && !(/Chrome\/\d/.test(appVersion))) {
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var safariVersion = appVersion.match(/Safari\/(\d+.\d)/);
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if(safariVersion && typeof safariVersion === "object" && safariVersion.length >= 2) {
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return parseFloat(safariVersion[1]) < 535.19;
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} else {
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return true;
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}
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} else {
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return false;
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}
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})();
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me.extend(me.style = {}, {
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transform: _transform,
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transitionTimingFunction: _prefixStyle('transitionTimingFunction'),
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transitionDuration: _prefixStyle('transitionDuration'),
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transitionDelay: _prefixStyle('transitionDelay'),
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transformOrigin: _prefixStyle('transformOrigin')
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});
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me.hasClass = function (e, c) {
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var re = new RegExp("(^|\\s)" + c + "(\\s|$)");
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return re.test(e.className);
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};
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me.addClass = function (e, c) {
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if ( me.hasClass(e, c) ) {
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return;
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}
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var newclass = e.className.split(' ');
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newclass.push(c);
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e.className = newclass.join(' ');
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};
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me.removeClass = function (e, c) {
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if ( !me.hasClass(e, c) ) {
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return;
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}
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var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g');
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e.className = e.className.replace(re, ' ');
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};
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me.offset = function (el) {
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var left = -el.offsetLeft,
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top = -el.offsetTop;
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// jshint -W084
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while (el = el.offsetParent) {
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left -= el.offsetLeft;
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top -= el.offsetTop;
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}
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// jshint +W084
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return {
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left: left,
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top: top
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};
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};
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me.preventDefaultException = function (el, exceptions) {
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for ( var i in exceptions ) {
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if ( exceptions[i].test(el[i]) ) {
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return true;
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}
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}
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return false;
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};
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me.extend(me.eventType = {}, {
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touchstart: 1,
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touchmove: 1,
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touchend: 1,
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mousedown: 2,
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mousemove: 2,
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mouseup: 2,
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pointerdown: 3,
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pointermove: 3,
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pointerup: 3,
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MSPointerDown: 3,
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MSPointerMove: 3,
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MSPointerUp: 3
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});
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me.extend(me.ease = {}, {
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quadratic: {
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style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
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fn: function (k) {
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return k * ( 2 - k );
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}
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},
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circular: {
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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)
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fn: function (k) {
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return Math.sqrt( 1 - ( --k * k ) );
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}
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},
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back: {
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style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)',
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fn: function (k) {
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var b = 4;
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return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1;
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}
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},
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bounce: {
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style: '',
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fn: function (k) {
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if ( ( k /= 1 ) < ( 1 / 2.75 ) ) {
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return 7.5625 * k * k;
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} else if ( k < ( 2 / 2.75 ) ) {
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return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75;
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} else if ( k < ( 2.5 / 2.75 ) ) {
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return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375;
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} else {
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return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375;
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}
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}
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},
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elastic: {
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style: '',
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fn: function (k) {
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var f = 0.22,
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e = 0.4;
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if ( k === 0 ) { return 0; }
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if ( k == 1 ) { return 1; }
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return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 );
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}
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}
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});
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me.tap = function (e, eventName) {
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var ev = document.createEvent('Event');
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ev.initEvent(eventName, true, true);
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ev.pageX = e.pageX;
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ev.pageY = e.pageY;
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e.target.dispatchEvent(ev);
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};
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me.click = function (e) {
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var target = e.target,
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ev;
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if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) {
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// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/initMouseEvent
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// initMouseEvent is deprecated.
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ev = document.createEvent(window.MouseEvent ? 'MouseEvents' : 'Event');
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ev.initEvent('click', true, true);
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ev.view = e.view || window;
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ev.detail = 1;
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ev.screenX = target.screenX || 0;
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ev.screenY = target.screenY || 0;
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ev.clientX = target.clientX || 0;
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||
ev.clientY = target.clientY || 0;
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||
ev.ctrlKey = !!e.ctrlKey;
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||
ev.altKey = !!e.altKey;
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||
ev.shiftKey = !!e.shiftKey;
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||
ev.metaKey = !!e.metaKey;
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ev.button = 0;
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||
ev.relatedTarget = null;
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ev._constructed = true;
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target.dispatchEvent(ev);
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}
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};
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return me;
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||
})();
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function IScrollForIosSelect (el, options) {
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this.wrapper = typeof el == 'string' ? document.querySelector(el) : el;
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this.scroller = this.wrapper.children[0];
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this.scrollerStyle = this.scroller.style; // cache style for better performance
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this.options = {
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disablePointer: true,
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disableTouch: !utils.hasTouch,
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disableMouse: utils.hasTouch,
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startX: 0,
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startY: 0,
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scrollY: true,
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directionLockThreshold: 5,
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momentum: true,
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bounce: true,
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bounceTime: 600,
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bounceEasing: '',
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preventDefault: true,
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preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ },
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HWCompositing: true,
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useTransition: true,
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useTransform: true,
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bindToWrapper: typeof window.onmousedown === "undefined"
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};
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||
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for ( var i in options ) {
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this.options[i] = options[i];
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}
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// Normalize options
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this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : '';
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this.options.useTransition = utils.hasTransition && this.options.useTransition;
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this.options.useTransform = utils.hasTransform && this.options.useTransform;
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this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough;
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this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault;
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// If you want eventPassthrough I have to lock one of the axes
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this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY;
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this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
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||
|
||
// With eventPassthrough we also need lockDirection mechanism
|
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this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
|
||
this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
|
||
|
||
this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
|
||
|
||
this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling;
|
||
|
||
if ( this.options.tap === true ) {
|
||
this.options.tap = 'tap';
|
||
}
|
||
|
||
// https://github.com/cubiq/iscrollForIosSelect/issues/1029
|
||
if (!this.options.useTransition && !this.options.useTransform) {
|
||
if(!(/relative|absolute/i).test(this.scrollerStyle.position)) {
|
||
this.scrollerStyle.position = "relative";
|
||
}
|
||
}
|
||
|
||
if ( this.options.shrinkScrollbars == 'scale' ) {
|
||
this.options.useTransition = false;
|
||
}
|
||
|
||
this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1;
|
||
|
||
if ( this.options.probeType == 3 ) {
|
||
this.options.useTransition = false; }
|
||
this.x = 0;
|
||
this.y = 0;
|
||
this.directionX = 0;
|
||
this.directionY = 0;
|
||
this._events = {};
|
||
this._init();
|
||
this.refresh();
|
||
|
||
this.scrollTo(this.options.startX, this.options.startY);
|
||
this.enable();
|
||
}
|
||
|
||
IScrollForIosSelect.prototype = {
|
||
version: '1.0.0',
|
||
|
||
_init: function () {
|
||
this._initEvents();
|
||
},
|
||
|
||
destroy: function () {
|
||
this._initEvents(true);
|
||
clearTimeout(this.resizeTimeout);
|
||
this.resizeTimeout = null;
|
||
this._execEvent('destroy');
|
||
},
|
||
|
||
_transitionEnd: function (e) {
|
||
if ( e.target != this.scroller || !this.isInTransition ) {
|
||
return;
|
||
}
|
||
|
||
this._transitionTime();
|
||
if ( !this.resetPosition(this.options.bounceTime) ) {
|
||
this.isInTransition = false;
|
||
this._execEvent('scrollEnd');
|
||
}
|
||
},
|
||
|
||
_start: function (e) {
|
||
// React to left mouse button only
|
||
if ( utils.eventType[e.type] != 1 ) {
|
||
// for button property
|
||
// http://unixpapa.com/js/mouse.html
|
||
var button;
|
||
if (!e.which) {
|
||
/* IE case */
|
||
button = (e.button < 2) ? 0 :
|
||
((e.button == 4) ? 1 : 2);
|
||
} else {
|
||
/* All others */
|
||
button = e.button;
|
||
}
|
||
if ( button !== 0 ) {
|
||
return;
|
||
}
|
||
}
|
||
|
||
if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) {
|
||
return;
|
||
}
|
||
|
||
if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) {
|
||
e.preventDefault();
|
||
}
|
||
|
||
var point = e.touches ? e.touches[0] : e,
|
||
pos;
|
||
|
||
this.initiated = utils.eventType[e.type];
|
||
this.moved = false;
|
||
this.distX = 0;
|
||
this.distY = 0;
|
||
this.directionX = 0;
|
||
this.directionY = 0;
|
||
this.directionLocked = 0;
|
||
|
||
this.startTime = utils.getTime();
|
||
|
||
if ( this.options.useTransition && this.isInTransition ) {
|
||
this._transitionTime();
|
||
this.isInTransition = false;
|
||
pos = this.getComputedPosition();
|
||
this._translate(Math.round(pos.x), Math.round(pos.y));
|
||
this._execEvent('scrollEnd');
|
||
} else if ( !this.options.useTransition && this.isAnimating ) {
|
||
this.isAnimating = false;
|
||
this._execEvent('scrollEnd');
|
||
}
|
||
|
||
this.startX = this.x;
|
||
this.startY = this.y;
|
||
this.absStartX = this.x;
|
||
this.absStartY = this.y;
|
||
this.pointX = point.pageX;
|
||
this.pointY = point.pageY;
|
||
|
||
this._execEvent('beforeScrollStart');
|
||
},
|
||
|
||
_move: function (e) {
|
||
if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) {
|
||
return;
|
||
}
|
||
|
||
if ( this.options.preventDefault ) { // increases performance on Android? TODO: check!
|
||
// e.preventDefault();
|
||
}
|
||
|
||
var point = e.touches ? e.touches[0] : e,
|
||
deltaX = point.pageX - this.pointX,
|
||
deltaY = point.pageY - this.pointY,
|
||
timestamp = utils.getTime(),
|
||
newX, newY,
|
||
absDistX, absDistY;
|
||
|
||
this.pointX = point.pageX;
|
||
this.pointY = point.pageY;
|
||
|
||
this.distX += deltaX;
|
||
this.distY += deltaY;
|
||
absDistX = Math.abs(this.distX);
|
||
absDistY = Math.abs(this.distY);
|
||
|
||
// We need to move at least 10 pixels for the scrolling to initiate
|
||
if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) {
|
||
return;
|
||
}
|
||
|
||
// If you are scrolling in one direction lock the other
|
||
if ( !this.directionLocked && !this.options.freeScroll ) {
|
||
if ( absDistX > absDistY + this.options.directionLockThreshold ) {
|
||
this.directionLocked = 'h'; // lock horizontally
|
||
} else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
|
||
this.directionLocked = 'v'; // lock vertically
|
||
} else {
|
||
this.directionLocked = 'n'; // no lock
|
||
}
|
||
}
|
||
|
||
if ( this.directionLocked == 'h' ) {
|
||
if ( this.options.eventPassthrough == 'vertical' ) {
|
||
e.preventDefault();
|
||
} else if ( this.options.eventPassthrough == 'horizontal' ) {
|
||
this.initiated = false;
|
||
return;
|
||
}
|
||
|
||
deltaY = 0;
|
||
} else if ( this.directionLocked == 'v' ) {
|
||
if ( this.options.eventPassthrough == 'horizontal' ) {
|
||
e.preventDefault();
|
||
} else if ( this.options.eventPassthrough == 'vertical' ) {
|
||
this.initiated = false;
|
||
return;
|
||
}
|
||
|
||
deltaX = 0;
|
||
}
|
||
|
||
deltaX = this.hasHorizontalScroll ? deltaX : 0;
|
||
deltaY = this.hasVerticalScroll ? deltaY : 0;
|
||
|
||
newX = this.x + deltaX;
|
||
newY = this.y + deltaY;
|
||
|
||
// Slow down if outside of the boundaries
|
||
if ( newX > 0 || newX < this.maxScrollX ) {
|
||
newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX;
|
||
}
|
||
if ( newY > 0 || newY < this.maxScrollY ) {
|
||
newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY;
|
||
}
|
||
|
||
this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
|
||
this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;
|
||
|
||
if ( !this.moved ) {
|
||
this._execEvent('scrollStart');
|
||
}
|
||
|
||
this.moved = true;
|
||
|
||
this._translate(newX, newY);
|
||
if ( timestamp - this.startTime > 300 ) {
|
||
this.startTime = timestamp;
|
||
this.startX = this.x;
|
||
this.startY = this.y;
|
||
|
||
if ( this.options.probeType == 1 ) {
|
||
this._execEvent('scroll');
|
||
}
|
||
}
|
||
|
||
if ( this.options.probeType > 1 ) {
|
||
this._execEvent('scroll');
|
||
}
|
||
|
||
},
|
||
|
||
_end: function (e) {
|
||
if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) {
|
||
return;
|
||
}
|
||
|
||
if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) {
|
||
e.preventDefault();
|
||
}
|
||
|
||
var point = e.changedTouches ? e.changedTouches[0] : e,
|
||
momentumX,
|
||
momentumY,
|
||
duration = utils.getTime() - this.startTime,
|
||
newX = Math.round(this.x),
|
||
newY = Math.round(this.y),
|
||
distanceX = Math.abs(newX - this.startX),
|
||
distanceY = Math.abs(newY - this.startY),
|
||
time = 0,
|
||
easing = '';
|
||
|
||
this.isInTransition = 0;
|
||
this.initiated = 0;
|
||
this.endTime = utils.getTime();
|
||
|
||
// reset if we are outside of the boundaries
|
||
if ( this.resetPosition(this.options.bounceTime) ) {
|
||
return;
|
||
}
|
||
|
||
this.scrollTo(newX, newY); // ensures that the last position is rounded
|
||
|
||
// we scrolled less than 10 pixels
|
||
if ( !this.moved ) {
|
||
if ( this.options.tap ) {
|
||
utils.tap(e, this.options.tap);
|
||
}
|
||
|
||
if ( this.options.click ) {
|
||
utils.click(e);
|
||
}
|
||
|
||
this._execEvent('scrollCancel');
|
||
return;
|
||
}
|
||
|
||
if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) {
|
||
this._execEvent('flick');
|
||
return;
|
||
}
|
||
|
||
// start momentum animation if needed
|
||
if ( this.options.momentum && duration < 300 ) {
|
||
momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : { destination: newX, duration: 0 };
|
||
momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : { destination: newY, duration: 0 };
|
||
newX = momentumX.destination;
|
||
newY = momentumY.destination;
|
||
time = Math.max(momentumX.duration, momentumY.duration);
|
||
this.isInTransition = 1;
|
||
}
|
||
|
||
|
||
if ( this.options.snap ) {
|
||
var snap = this._nearestSnap(newX, newY);
|
||
this.currentPage = snap;
|
||
time = this.options.snapSpeed || Math.max(
|
||
Math.max(
|
||
Math.min(Math.abs(newX - snap.x), 1000),
|
||
Math.min(Math.abs(newY - snap.y), 1000)
|
||
), 300);
|
||
newX = snap.x;
|
||
newY = snap.y;
|
||
|
||
this.directionX = 0;
|
||
this.directionY = 0;
|
||
easing = this.options.bounceEasing;
|
||
}
|
||
|
||
|
||
if ( newX != this.x || newY != this.y ) {
|
||
// change easing function when scroller goes out of the boundaries
|
||
if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) {
|
||
easing = utils.ease.quadratic;
|
||
}
|
||
|
||
this.scrollTo(newX, newY, time, easing);
|
||
return;
|
||
}
|
||
|
||
this._execEvent('scrollEnd');
|
||
},
|
||
|
||
_resize: function () {
|
||
var that = this;
|
||
|
||
clearTimeout(this.resizeTimeout);
|
||
|
||
this.resizeTimeout = setTimeout(function () {
|
||
that.refresh();
|
||
}, this.options.resizePolling);
|
||
},
|
||
|
||
resetPosition: function (time) {
|
||
var x = this.x,
|
||
y = this.y;
|
||
|
||
time = time || 0;
|
||
|
||
if ( !this.hasHorizontalScroll || this.x > 0 ) {
|
||
x = 0;
|
||
} else if ( this.x < this.maxScrollX ) {
|
||
x = this.maxScrollX;
|
||
}
|
||
|
||
if ( !this.hasVerticalScroll || this.y > 0 ) {
|
||
y = 0;
|
||
} else if ( this.y < this.maxScrollY ) {
|
||
y = this.maxScrollY;
|
||
}
|
||
|
||
if ( x == this.x && y == this.y ) {
|
||
return false;
|
||
}
|
||
|
||
this.scrollTo(x, y, time, this.options.bounceEasing);
|
||
|
||
return true;
|
||
},
|
||
|
||
disable: function () {
|
||
this.enabled = false;
|
||
},
|
||
|
||
enable: function () {
|
||
this.enabled = true;
|
||
},
|
||
|
||
refresh: function () {
|
||
var rf = this.wrapper.offsetHeight; // Force reflow
|
||
|
||
this.wrapperWidth = this.wrapper.clientWidth;
|
||
this.wrapperHeight = this.wrapper.clientHeight;
|
||
|
||
|
||
this.scrollerWidth = this.scroller.offsetWidth;
|
||
this.scrollerHeight = this.scroller.offsetHeight;
|
||
|
||
this.maxScrollX = this.wrapperWidth - this.scrollerWidth;
|
||
this.maxScrollY = this.wrapperHeight - this.scrollerHeight;
|
||
|
||
|
||
this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0;
|
||
this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0;
|
||
|
||
if ( !this.hasHorizontalScroll ) {
|
||
this.maxScrollX = 0;
|
||
this.scrollerWidth = this.wrapperWidth;
|
||
}
|
||
|
||
if ( !this.hasVerticalScroll ) {
|
||
this.maxScrollY = 0;
|
||
this.scrollerHeight = this.wrapperHeight;
|
||
}
|
||
|
||
this.endTime = 0;
|
||
this.directionX = 0;
|
||
this.directionY = 0;
|
||
|
||
this.wrapperOffset = utils.offset(this.wrapper);
|
||
|
||
this._execEvent('refresh');
|
||
|
||
this.resetPosition();
|
||
|
||
|
||
},
|
||
|
||
on: function (type, fn) {
|
||
if ( !this._events[type] ) {
|
||
this._events[type] = [];
|
||
}
|
||
|
||
this._events[type].push(fn);
|
||
},
|
||
|
||
off: function (type, fn) {
|
||
if ( !this._events[type] ) {
|
||
return;
|
||
}
|
||
|
||
var index = this._events[type].indexOf(fn);
|
||
|
||
if ( index > -1 ) {
|
||
this._events[type].splice(index, 1);
|
||
}
|
||
},
|
||
|
||
_execEvent: function (type) {
|
||
if ( !this._events[type] ) {
|
||
return;
|
||
}
|
||
|
||
var i = 0,
|
||
l = this._events[type].length;
|
||
|
||
if ( !l ) {
|
||
return;
|
||
}
|
||
|
||
for ( ; i < l; i++ ) {
|
||
this._events[type][i].apply(this, [].slice.call(arguments, 1));
|
||
}
|
||
},
|
||
|
||
scrollTo: function (x, y, time, easing) {
|
||
easing = easing || utils.ease.circular;
|
||
|
||
this.isInTransition = this.options.useTransition && time > 0;
|
||
var transitionType = this.options.useTransition && easing.style;
|
||
if ( !time || transitionType ) {
|
||
if(transitionType) {
|
||
this._transitionTimingFunction(easing.style);
|
||
this._transitionTime(time);
|
||
}
|
||
this._translate(x, y);
|
||
} else {
|
||
this._animate(x, y, time, easing.fn);
|
||
}
|
||
},
|
||
|
||
scrollToElement: function (el, time, offsetX, offsetY, easing) {
|
||
el = el.nodeType ? el : this.scroller.querySelector(el);
|
||
|
||
if ( !el ) {
|
||
return;
|
||
}
|
||
|
||
var pos = utils.offset(el);
|
||
|
||
pos.left -= this.wrapperOffset.left;
|
||
pos.top -= this.wrapperOffset.top;
|
||
|
||
// if offsetX/Y are true we center the element to the screen
|
||
if ( offsetX === true ) {
|
||
offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2);
|
||
}
|
||
if ( offsetY === true ) {
|
||
offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2);
|
||
}
|
||
|
||
pos.left -= offsetX || 0;
|
||
pos.top -= offsetY || 0;
|
||
|
||
pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left;
|
||
pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top;
|
||
|
||
time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time;
|
||
|
||
this.scrollTo(pos.left, pos.top, time, easing);
|
||
},
|
||
|
||
_transitionTime: function (time) {
|
||
if (!this.options.useTransition) {
|
||
return;
|
||
}
|
||
time = time || 0;
|
||
var durationProp = utils.style.transitionDuration;
|
||
if(!durationProp) {
|
||
return;
|
||
}
|
||
|
||
this.scrollerStyle[durationProp] = time + 'ms';
|
||
|
||
if ( !time && utils.isBadAndroid ) {
|
||
this.scrollerStyle[durationProp] = '0.0001ms';
|
||
// remove 0.0001ms
|
||
var self = this;
|
||
rAF(function() {
|
||
if(self.scrollerStyle[durationProp] === '0.0001ms') {
|
||
self.scrollerStyle[durationProp] = '0s';
|
||
}
|
||
});
|
||
}
|
||
|
||
|
||
|
||
},
|
||
|
||
_transitionTimingFunction: function (easing) {
|
||
this.scrollerStyle[utils.style.transitionTimingFunction] = easing;
|
||
|
||
|
||
|
||
},
|
||
|
||
_translate: function (x, y) {
|
||
if ( this.options.useTransform ) {
|
||
|
||
|
||
this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ;
|
||
|
||
|
||
} else {
|
||
x = Math.round(x);
|
||
y = Math.round(y);
|
||
this.scrollerStyle.left = x + 'px';
|
||
this.scrollerStyle.top = y + 'px';
|
||
}
|
||
|
||
this.x = x;
|
||
this.y = y;
|
||
|
||
|
||
|
||
},
|
||
|
||
_initEvents: function (remove) {
|
||
var eventType = remove ? utils.removeEvent : utils.addEvent,
|
||
target = this.options.bindToWrapper ? this.wrapper : window;
|
||
|
||
eventType(window, 'orientationchange', this);
|
||
eventType(window, 'resize', this);
|
||
|
||
if ( this.options.click ) {
|
||
eventType(this.wrapper, 'click', this, true);
|
||
}
|
||
|
||
if ( !this.options.disableMouse ) {
|
||
eventType(this.wrapper, 'mousedown', this);
|
||
eventType(target, 'mousemove', this);
|
||
eventType(target, 'mousecancel', this);
|
||
eventType(target, 'mouseup', this);
|
||
}
|
||
|
||
if ( utils.hasPointer && !this.options.disablePointer ) {
|
||
eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this);
|
||
eventType(target, utils.prefixPointerEvent('pointermove'), this);
|
||
eventType(target, utils.prefixPointerEvent('pointercancel'), this);
|
||
eventType(target, utils.prefixPointerEvent('pointerup'), this);
|
||
}
|
||
|
||
if ( utils.hasTouch && !this.options.disableTouch ) {
|
||
eventType(this.wrapper, 'touchstart', this);
|
||
eventType(target, 'touchmove', this);
|
||
eventType(target, 'touchcancel', this);
|
||
eventType(target, 'touchend', this);
|
||
}
|
||
|
||
eventType(this.scroller, 'transitionend', this);
|
||
eventType(this.scroller, 'webkitTransitionEnd', this);
|
||
eventType(this.scroller, 'oTransitionEnd', this);
|
||
eventType(this.scroller, 'MSTransitionEnd', this);
|
||
},
|
||
|
||
getComputedPosition: function () {
|
||
var matrix = window.getComputedStyle(this.scroller, null),
|
||
x, y;
|
||
|
||
if ( this.options.useTransform ) {
|
||
matrix = matrix[utils.style.transform].split(')')[0].split(', ');
|
||
x = +(matrix[12] || matrix[4]);
|
||
y = +(matrix[13] || matrix[5]);
|
||
} else {
|
||
x = +matrix.left.replace(/[^-\d.]/g, '');
|
||
y = +matrix.top.replace(/[^-\d.]/g, '');
|
||
}
|
||
|
||
return { x: x, y: y };
|
||
},
|
||
|
||
_animate: function (destX, destY, duration, easingFn) {
|
||
var that = this,
|
||
startX = this.x,
|
||
startY = this.y,
|
||
startTime = utils.getTime(),
|
||
destTime = startTime + duration;
|
||
|
||
function step () {
|
||
var now = utils.getTime(),
|
||
newX, newY,
|
||
easing;
|
||
|
||
if ( now >= destTime ) {
|
||
that.isAnimating = false;
|
||
that._translate(destX, destY);
|
||
|
||
if ( !that.resetPosition(that.options.bounceTime) ) {
|
||
that._execEvent('scrollEnd');
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
now = ( now - startTime ) / duration;
|
||
easing = easingFn(now);
|
||
newX = ( destX - startX ) * easing + startX;
|
||
newY = ( destY - startY ) * easing + startY;
|
||
that._translate(newX, newY);
|
||
|
||
if ( that.isAnimating ) {
|
||
rAF(step);
|
||
}
|
||
|
||
if ( that.options.probeType == 3 ) {
|
||
that._execEvent('scroll');
|
||
}
|
||
}
|
||
|
||
this.isAnimating = true;
|
||
step();
|
||
},
|
||
|
||
handleEvent: function (e) {
|
||
switch ( e.type ) {
|
||
case 'touchstart':
|
||
case 'pointerdown':
|
||
case 'MSPointerDown':
|
||
case 'mousedown':
|
||
this._start(e);
|
||
break;
|
||
case 'touchmove':
|
||
case 'pointermove':
|
||
case 'MSPointerMove':
|
||
case 'mousemove':
|
||
this._move(e);
|
||
break;
|
||
case 'touchend':
|
||
case 'pointerup':
|
||
case 'MSPointerUp':
|
||
case 'mouseup':
|
||
case 'touchcancel':
|
||
case 'pointercancel':
|
||
case 'MSPointerCancel':
|
||
case 'mousecancel':
|
||
this._end(e);
|
||
break;
|
||
case 'orientationchange':
|
||
case 'resize':
|
||
this._resize();
|
||
break;
|
||
case 'transitionend':
|
||
case 'webkitTransitionEnd':
|
||
case 'oTransitionEnd':
|
||
case 'MSTransitionEnd':
|
||
this._transitionEnd(e);
|
||
break;
|
||
case 'click':
|
||
if ( this.enabled && !e._constructed ) {
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
};
|
||
IScrollForIosSelect.utils = utils;
|
||
|
||
var iosSelectUtil = {
|
||
isArray: function (arg1) {
|
||
return Object.prototype.toString.call(arg1) === '[object Array]';
|
||
},
|
||
isFunction: function (arg1) {
|
||
return typeof arg1 === 'function';
|
||
},
|
||
attrToData: function (dom, index) {
|
||
var obj = {};
|
||
for (var p in dom.dataset) {
|
||
obj[p] = dom.dataset[p];
|
||
}
|
||
obj['dom'] = dom;
|
||
obj['atindex'] = index;
|
||
return obj;
|
||
},
|
||
attrToHtml: function (obj) {
|
||
var html = '';
|
||
for (var p in obj) {
|
||
html += 'data-' + p + '="' + obj[p] + '"';
|
||
}
|
||
return html;
|
||
}
|
||
};
|
||
/*function preventEventFun(e) {
|
||
e.preventDefault();
|
||
}*/
|
||
// Layer
|
||
function Layer(html, opts) {
|
||
if (!(this instanceof Layer)) {
|
||
return new Layer(html, opts);
|
||
}
|
||
this.html = html;
|
||
this.opts = opts;
|
||
var el = document.createElement('div');
|
||
el.className = 'olay';
|
||
var layer_el = document.createElement('div');
|
||
layer_el.className = 'layer';
|
||
this.el = el;
|
||
this.layer_el = layer_el;
|
||
this.init();
|
||
}
|
||
Layer.prototype = {
|
||
init: function () {
|
||
this.layer_el.innerHTML = this.html;
|
||
if (this.opts.container && document.querySelector(this.opts.container)) {
|
||
document.querySelector(this.opts.container).appendChild(this.el);
|
||
}
|
||
else {
|
||
document.body.appendChild(this.el);
|
||
}
|
||
this.el.appendChild(this.layer_el);
|
||
this.el.style.height = Math.max(document.documentElement.getBoundingClientRect().height, window.innerHeight);
|
||
if (this.opts.className) {
|
||
this.el.className += ' ' + this.opts.className;
|
||
}
|
||
this.bindEvent();
|
||
var evt = document.createEvent('HTMLEvents');
|
||
evt.initEvent('IosSelectCreated', true, false);
|
||
this.el.dispatchEvent(evt);
|
||
},
|
||
bindEvent: function () {
|
||
var sureDom = this.el.querySelectorAll('.sure');
|
||
var closeDom = this.el.querySelectorAll('.close');
|
||
var self = this;
|
||
this.el.addEventListener('click', function(e) {
|
||
self.close();
|
||
self.opts.maskCallback && self.opts.maskCallback(e);
|
||
});
|
||
this.layer_el.addEventListener('click', function(e) {
|
||
e.stopPropagation();
|
||
});
|
||
Array.prototype.slice.call(sureDom).forEach(function (item, index) {
|
||
item.addEventListener('click', function () {
|
||
self.close();
|
||
});
|
||
});
|
||
Array.prototype.slice.call(closeDom).forEach(function (item, index) {
|
||
item.addEventListener('click', function (e) {
|
||
self.close();
|
||
self.opts.fallback && self.opts.fallback(e);
|
||
});
|
||
});
|
||
},
|
||
close: function () {
|
||
var self=this;
|
||
if (self.el) {
|
||
if (self.opts.showAnimate) {
|
||
self.el.className += ' fadeOutDown';
|
||
self.el.addEventListener(aF, function () {
|
||
self.removeDom();
|
||
});
|
||
}
|
||
else {
|
||
self.removeDom();
|
||
}
|
||
}
|
||
},
|
||
removeDom: function (){
|
||
var evt = document.createEvent('HTMLEvents');
|
||
evt.initEvent('IosSelectDestroyed', true, false);
|
||
this.el.dispatchEvent(evt);
|
||
this.el.parentNode.removeChild(this.el);
|
||
this.el = null;
|
||
if (document.documentElement.classList.contains('ios-select-body-class')) {
|
||
document.documentElement.classList.remove('ios-select-body-class');
|
||
/*document.body.removeEventListener('touchmove', preventEventFun, {
|
||
passive: false
|
||
});*/
|
||
}
|
||
}
|
||
}
|
||
function IosSelect(level, data, options) {
|
||
if (!iosSelectUtil.isArray(data) || data.length === 0) {
|
||
throw new TypeError('the data must be a non-empty array!');
|
||
return;
|
||
}
|
||
if ([1, 2, 3, 4, 5, 6].indexOf(level) == -1) {
|
||
throw new RangeError('the level parameter must be one of 1,2,3,4,5,6!');
|
||
return;
|
||
}
|
||
this.data = data;
|
||
this.level = level || 1;
|
||
this.options = options;
|
||
this.typeBox = 'one-level-box';
|
||
var boxClass = ['one', 'two', 'three', 'four', 'five', 'six'];
|
||
if (this.level <= 6 && this.level >= 1) {
|
||
this.typeBox = boxClass[parseInt(this.level) - 1] + '-level-box';
|
||
}
|
||
this.title = options.title || '';
|
||
this.options.itemHeight = options.itemHeight || 35;
|
||
this.options.itemShowCount = [3, 5, 7, 9].indexOf(options.itemShowCount) !== -1? options.itemShowCount: 7;
|
||
this.options.coverArea1Top = Math.floor(this.options.itemShowCount / 2);
|
||
this.options.coverArea2Top = Math.ceil(this.options.itemShowCount / 2);
|
||
this.options.headerHeight = options.headerHeight || 44;
|
||
this.options.relation = iosSelectUtil.isArray(this.options.relation)? this.options.relation: [];
|
||
this.options.oneTwoRelation = this.options.relation[0];
|
||
this.options.twoThreeRelation = this.options.relation[1];
|
||
this.options.threeFourRelation = this.options.relation[2];
|
||
this.options.fourFiveRelation = this.options.relation[3];
|
||
this.options.fiveSixRelation = this.options.relation[4];
|
||
if (this.options.cssUnit !== 'px' && this.options.cssUnit !== 'rem') {
|
||
this.options.cssUnit = 'px';
|
||
}
|
||
var self = this;
|
||
// 选中元素的信息
|
||
this.selectOneObj = {
|
||
id: self.options.oneLevelId
|
||
};
|
||
this.selectTwoObj = {
|
||
id: self.options.twoLevelId
|
||
};
|
||
this.selectThreeObj = {
|
||
id: self.options.threeLevelId
|
||
};
|
||
this.selectFourObj = {
|
||
id: self.options.fourLevelId
|
||
};
|
||
this.selectFiveObj = {
|
||
id: self.options.fiveLevelId
|
||
};
|
||
this.selectSixObj = {
|
||
id: self.options.sixLevelId
|
||
};
|
||
this.setBase();
|
||
this.init();
|
||
};
|
||
|
||
IosSelect.prototype = {
|
||
init: function () {
|
||
this.initLayer();
|
||
this.setLevelData(1, this.options.oneLevelId, this.options.twoLevelId, this.options.threeLevelId, this.options.fourLevelId, this.options.fiveLevelId, this.options.sixLevelId);
|
||
},
|
||
initLayer: function () {
|
||
var self = this;
|
||
var sureText = this.options.sureText || '确定';
|
||
var closeText = this.options.closeText || '取消';
|
||
var headerHeightCss = this.options.headerHeight + this.options.cssUnit;
|
||
var all_html = [
|
||
'<header style="height: ' + headerHeightCss + '; line-height: ' + headerHeightCss + '" class="iosselect-header">',
|
||
'<a style="height: ' + headerHeightCss + '; line-height: ' + headerHeightCss + '" href="javascript:void(0)" class="close">' + closeText + '</a>',
|
||
'<a style="height: ' + headerHeightCss + '; line-height: ' + headerHeightCss + '" href="javascript:void(0)" class="sure">' + sureText + '</a>',
|
||
'<h2 id="iosSelectTitle"></h2>',
|
||
'</header>',
|
||
'<section class="iosselect-box">',
|
||
'<div class="one-level-contain" id="oneLevelContain">',
|
||
'<ul class="select-one-level">',
|
||
'</ul>',
|
||
'</div>',
|
||
'<div class="two-level-contain" id="twoLevelContain">',
|
||
'<ul class="select-two-level">',
|
||
'</ul>',
|
||
'</div>',
|
||
'<div class="three-level-contain" id="threeLevelContain">',
|
||
'<ul class="select-three-level">',
|
||
'</ul>',
|
||
'</div>',
|
||
'<div class="four-level-contain" id="fourLevelContain">',
|
||
'<ul class="select-four-level">',
|
||
'</ul>',
|
||
'</div>',
|
||
'<div class="five-level-contain" id="fiveLevelContain">',
|
||
'<ul class="select-five-level">',
|
||
'</ul>',
|
||
'</div>',
|
||
'<div class="six-level-contain" id="sixLevelContain">',
|
||
'<ul class="select-six-level">',
|
||
'</ul>',
|
||
'</div>',
|
||
'</section>',
|
||
'<hr class="cover-area1"/>',
|
||
'<hr class="cover-area2"/>',
|
||
'<div class="ios-select-loading-box" id="iosSelectLoadingBox">',
|
||
'<div class="ios-select-loading"></div>',
|
||
'</div>'
|
||
].join('\r\n');
|
||
this.iosSelectLayer = new Layer(all_html, {
|
||
className: 'ios-select-widget-box ' + this.typeBox + (this.options.addClassName? ' ' + this.options.addClassName: '') + (this.options.showAnimate? ' fadeInUp': ''),
|
||
container: this.options.container || '',
|
||
showAnimate: this.options.showAnimate,
|
||
fallback: this.options.fallback,
|
||
maskCallback: this.options.maskCallback
|
||
});
|
||
|
||
this.iosSelectTitleDom = this.iosSelectLayer.el.querySelector('#iosSelectTitle');
|
||
this.iosSelectLoadingBoxDom = this.iosSelectLayer.el.querySelector('#iosSelectLoadingBox');
|
||
this.iosSelectTitleDom.innerHTML = this.title;
|
||
if (this.options.headerHeight && this.options.itemHeight) {
|
||
this.coverArea1Dom = this.iosSelectLayer.el.querySelector('.cover-area1');
|
||
this.coverArea1Dom.style.top = this.options.headerHeight + this.options.itemHeight * this.options.coverArea1Top + this.options.cssUnit;
|
||
this.coverArea2Dom = this.iosSelectLayer.el.querySelector('.cover-area2');
|
||
this.coverArea2Dom.style.top = this.options.headerHeight + this.options.itemHeight * this.options.coverArea2Top + this.options.cssUnit;
|
||
}
|
||
|
||
this.oneLevelContainDom = this.iosSelectLayer.el.querySelector('#oneLevelContain');
|
||
this.twoLevelContainDom = this.iosSelectLayer.el.querySelector('#twoLevelContain');
|
||
this.threeLevelContainDom = this.iosSelectLayer.el.querySelector('#threeLevelContain');
|
||
this.fourLevelContainDom = this.iosSelectLayer.el.querySelector('#fourLevelContain');
|
||
this.fiveLevelContainDom = this.iosSelectLayer.el.querySelector('#fiveLevelContain');
|
||
this.sixLevelContainDom = this.iosSelectLayer.el.querySelector('#sixLevelContain');
|
||
|
||
this.oneLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-one-level');
|
||
this.twoLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-two-level');
|
||
this.threeLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-three-level');
|
||
this.fourLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-four-level');
|
||
this.fiveLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-five-level');
|
||
this.sixLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-six-level');
|
||
|
||
this.iosSelectLayer.el.querySelector('.layer').style.height = this.options.itemHeight * this.options.itemShowCount + this.options.headerHeight + this.options.cssUnit;
|
||
|
||
this.oneLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
|
||
document.documentElement.classList.add('ios-select-body-class');
|
||
/*document.body.addEventListener('touchmove', preventEventFun, {
|
||
passive: false
|
||
});*/
|
||
|
||
this.scrollOne = new IScrollForIosSelect('#oneLevelContain', {
|
||
probeType: 3,
|
||
bounce: false
|
||
});
|
||
this.setScorllEvent(this.scrollOne, 1);
|
||
|
||
if (this.level >= 2) {
|
||
this.twoLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
|
||
this.scrollTwo = new IScrollForIosSelect('#twoLevelContain', {
|
||
probeType: 3,
|
||
bounce: false
|
||
});
|
||
this.setScorllEvent(this.scrollTwo, 2);
|
||
}
|
||
if (this.level >= 3) {
|
||
this.threeLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
|
||
this.scrollThree = new IScrollForIosSelect('#threeLevelContain', {
|
||
probeType: 3,
|
||
bounce: false
|
||
});
|
||
this.setScorllEvent(this.scrollThree, 3);
|
||
}
|
||
if (this.level >= 4) {
|
||
this.fourLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
|
||
this.scrollFour = new IScrollForIosSelect('#fourLevelContain', {
|
||
probeType: 3,
|
||
bounce: false
|
||
});
|
||
this.setScorllEvent(this.scrollFour, 4);
|
||
}
|
||
if (this.level >= 5) {
|
||
this.fiveLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
|
||
this.scrollFive = new IScrollForIosSelect('#fiveLevelContain', {
|
||
probeType: 3,
|
||
bounce: false
|
||
});
|
||
this.setScorllEvent(this.scrollFive, 5);
|
||
}
|
||
if (this.level >= 6) {
|
||
this.sixLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
|
||
this.scrollSix = new IScrollForIosSelect('#sixLevelContain', {
|
||
probeType: 3,
|
||
bounce: false
|
||
});
|
||
this.setScorllEvent(this.scrollSix, 6);
|
||
}
|
||
|
||
// 确认
|
||
this.selectBtnDom = this.iosSelectLayer.el.querySelector('.sure');
|
||
this.selectBtnDom.addEventListener('click', function (e) {
|
||
self.options.callback && self.options.callback(self.selectOneObj, self.selectTwoObj, self.selectThreeObj, self.selectFourObj, self.selectFiveObj, self.selectSixObj);
|
||
});
|
||
},
|
||
close: function() {
|
||
this.options.callback && this.options.callback(this.selectOneObj, this.selectTwoObj, this.selectThreeObj, this.selectFourObj, this.selectFiveObj, this.selectSixObj);
|
||
this.iosSelectLayer.close();
|
||
},
|
||
mapKeyByIndex: function (index) {
|
||
var self = this;
|
||
var map = {
|
||
index: 1,
|
||
levelContain: self.oneLevelContainDom,
|
||
relation: self.options.oneTwoRelation
|
||
};
|
||
if (index === 2) {
|
||
map = {
|
||
index: 2,
|
||
levelContain: self.twoLevelContainDom,
|
||
relation: self.options.twoThreeRelation
|
||
};
|
||
}
|
||
else if (index === 3) {
|
||
map = {
|
||
index: 3,
|
||
levelContain: self.threeLevelContainDom,
|
||
relation: self.options.threeFourRelation
|
||
};
|
||
}
|
||
else if (index === 4) {
|
||
map = {
|
||
index: 4,
|
||
levelContain: self.fourLevelContainDom,
|
||
relation: self.options.fourFiveRelation
|
||
};
|
||
}
|
||
else if (index === 5) {
|
||
map = {
|
||
index: 5,
|
||
levelContain: self.fiveLevelContainDom,
|
||
relation: self.options.fiveSixRelation
|
||
};
|
||
}
|
||
else if (index === 6) {
|
||
map = {
|
||
index: 6,
|
||
levelContain: self.sixLevelContainDom,
|
||
relation: 0
|
||
};
|
||
}
|
||
return map;
|
||
},
|
||
setScorllEvent: function (scrollInstance, index) {
|
||
var self = this;
|
||
var mapKey = self.mapKeyByIndex(index);
|
||
scrollInstance.on('scrollStart', function () {
|
||
self.toggleClassList(mapKey.levelContain);
|
||
});
|
||
scrollInstance.on('scroll', function () {
|
||
if (isNaN(this.y)) {
|
||
return;
|
||
}
|
||
var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
|
||
var plast = 1;
|
||
plast = Math.round(pa) + 1;
|
||
self.toggleClassList(mapKey.levelContain);
|
||
self.changeClassName(mapKey.levelContain, plast);
|
||
});
|
||
scrollInstance.on('scrollEnd', function () {
|
||
var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
|
||
var plast = 1;
|
||
var to = 0;
|
||
if (Math.ceil(pa) === Math.round(pa)) {
|
||
to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
|
||
plast = Math.ceil(pa) + 1;
|
||
} else {
|
||
to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
|
||
plast = Math.floor(pa) + 1;
|
||
}
|
||
scrollInstance.scrollTo(0, -to, 0);
|
||
|
||
self.toggleClassList(mapKey.levelContain);
|
||
|
||
var pdom = self.changeClassName(mapKey.levelContain, plast);
|
||
var obj = iosSelectUtil.attrToData(pdom, plast);
|
||
self.setSelectObj(index, obj);
|
||
|
||
if (self.level > index) {
|
||
if ((mapKey.relation === 1 && iosSelectUtil.isArray(self.data[index])) || iosSelectUtil.isFunction(self.data[index])) {
|
||
self.setLevelData(index + 1, self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id, self.selectSixObj.id);
|
||
}
|
||
}
|
||
});
|
||
scrollInstance.on('scrollCancel', function () {
|
||
var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
|
||
var plast = 1;
|
||
var to = 0;
|
||
if (Math.ceil(pa) === Math.round(pa)) {
|
||
to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
|
||
plast = Math.ceil(pa) + 1;
|
||
} else {
|
||
to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
|
||
plast = Math.floor(pa) + 1;
|
||
}
|
||
scrollInstance.scrollTo(0, -to, 0);
|
||
|
||
self.toggleClassList(mapKey.levelContain);
|
||
|
||
var pdom = self.changeClassName(mapKey.levelContain, plast);
|
||
var obj = iosSelectUtil.attrToData(pdom, plast);
|
||
self.setSelectObj(index, obj);
|
||
|
||
if (self.level > index) {
|
||
if ((mapKey.relation === 1 && iosSelectUtil.isArray(self.data[index])) || iosSelectUtil.isFunction(self.data[index])) {
|
||
self.setLevelData(index + 1, self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id, self.selectSixObj.id);
|
||
}
|
||
|
||
}
|
||
});
|
||
},
|
||
loadingShow: function () {
|
||
this.options.showLoading && (this.iosSelectLoadingBoxDom.style.display = 'block');
|
||
},
|
||
loadingHide: function () {
|
||
this.iosSelectLoadingBoxDom.style.display = 'none';
|
||
},
|
||
mapRenderByIndex: function (index) {
|
||
var self = this;
|
||
var map = {
|
||
index: 1,
|
||
relation: 0,
|
||
levelUlContainDom: self.oneLevelUlContainDom,
|
||
scrollInstance: self.scrollOne,
|
||
levelContainDom: self.oneLevelContainDom
|
||
};
|
||
if (index === 2) {
|
||
map = {
|
||
index: 2,
|
||
relation: self.options.oneTwoRelation,
|
||
levelUlContainDom: self.twoLevelUlContainDom,
|
||
scrollInstance: self.scrollTwo,
|
||
levelContainDom: self.twoLevelContainDom
|
||
};
|
||
}
|
||
else if (index === 3) {
|
||
map = {
|
||
index: 3,
|
||
relation: self.options.twoThreeRelation,
|
||
levelUlContainDom: self.threeLevelUlContainDom,
|
||
scrollInstance: self.scrollThree,
|
||
levelContainDom: self.threeLevelContainDom
|
||
};
|
||
}
|
||
else if (index === 4) {
|
||
map = {
|
||
index: 4,
|
||
relation: self.options.threeFourRelation,
|
||
levelUlContainDom: self.fourLevelUlContainDom,
|
||
scrollInstance: self.scrollFour,
|
||
levelContainDom: self.fourLevelContainDom
|
||
};
|
||
}
|
||
else if (index === 5) {
|
||
map = {
|
||
index: 5,
|
||
relation: self.options.fourFiveRelation,
|
||
levelUlContainDom: self.fiveLevelUlContainDom,
|
||
scrollInstance: self.scrollFive,
|
||
levelContainDom: self.fiveLevelContainDom
|
||
};
|
||
}
|
||
else if (index === 6) {
|
||
map = {
|
||
index: 6,
|
||
relation: self.options.fiveSixRelation,
|
||
levelUlContainDom: self.sixLevelUlContainDom,
|
||
scrollInstance: self.scrollSix,
|
||
levelContainDom: self.sixLevelContainDom
|
||
};
|
||
}
|
||
return map;
|
||
},
|
||
getLevelData: function (index, oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId) {
|
||
var levelData = [];
|
||
var renderMap = this.mapRenderByIndex(index);
|
||
if (index === 1) {
|
||
levelData = this.data[0];
|
||
}
|
||
else if (renderMap.relation === 1) {
|
||
var pid = arguments[index - 1];
|
||
this.data[index - 1].forEach(function (v, i, o) {
|
||
if (v['parentId'] == pid) {
|
||
levelData.push(v);
|
||
}
|
||
});
|
||
}
|
||
else {
|
||
levelData = this.data[index - 1];
|
||
}
|
||
return levelData;
|
||
},
|
||
setLevelData: function (index, oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, sixLevelId) {
|
||
if (iosSelectUtil.isArray(this.data[index - 1])) {
|
||
var levelData = this.getLevelData(index, oneLevelId, twoLevelId, threeLevelId, fourLevelId);
|
||
this.renderLevel(index, oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, sixLevelId, levelData);
|
||
}
|
||
else if (iosSelectUtil.isFunction(this.data[index - 1])) {
|
||
this.loadingShow();
|
||
this.data[index - 1].apply(this, [oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId].slice(0, index - 1).concat(function (levelData) {
|
||
this.loadingHide();
|
||
this.renderLevel(index, oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, sixLevelId, levelData);
|
||
}.bind(this)));
|
||
}
|
||
else {
|
||
throw new Error('data format error');
|
||
}
|
||
},
|
||
renderLevel: function (index, oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, sixLevelId, levelData) {
|
||
var plast = 0;
|
||
var curLevelId = arguments[index];
|
||
var hasAtId = levelData.some(function (v, i, o) {
|
||
return v.id == curLevelId;
|
||
});
|
||
if (!hasAtId) {
|
||
curLevelId = levelData[0]['id'];
|
||
}
|
||
var tmpHtml = '';
|
||
var itemHeightStyle = this.options.itemHeight + this.options.cssUnit;
|
||
tmpHtml += this.getWhiteItem();
|
||
levelData.forEach(function (v, i, o) {
|
||
if (v.id == curLevelId) {
|
||
tmpHtml += '<li style="height: ' + itemHeightStyle + '; line-height: ' + itemHeightStyle +';"' + iosSelectUtil.attrToHtml(v) + ' class="at">' + v.value + '</li>';
|
||
plast = i + 1;
|
||
}
|
||
else {
|
||
tmpHtml += '<li style="height: ' + itemHeightStyle + '; line-height: ' + itemHeightStyle +';"' + iosSelectUtil.attrToHtml(v) + '>' + v.value + '</li>';
|
||
}
|
||
});
|
||
tmpHtml += this.getWhiteItem();
|
||
var renderMap = this.mapRenderByIndex(index);
|
||
renderMap.levelUlContainDom.innerHTML = tmpHtml;
|
||
renderMap.scrollInstance.refresh();
|
||
renderMap.scrollInstance.scrollToElement(':nth-child(' + plast + ')', 0);
|
||
var pdom = this.changeClassName(renderMap.levelContainDom, plast);
|
||
var obj = iosSelectUtil.attrToData(pdom, plast);
|
||
this.setSelectObj(index, obj);
|
||
if (this.level > index) {
|
||
this.setLevelData(index + 1, this.selectOneObj.id, this.selectTwoObj.id, this.selectThreeObj.id, this.selectFourObj.id, this.selectFiveObj.id, this.selectSixObj.id);
|
||
}
|
||
},
|
||
setSelectObj: function (index, obj) {
|
||
if (index === 1) {
|
||
this.selectOneObj = obj;
|
||
}
|
||
else if (index === 2) {
|
||
this.selectTwoObj = obj;
|
||
}
|
||
else if (index === 3) {
|
||
this.selectThreeObj = obj;
|
||
}
|
||
else if (index === 4) {
|
||
this.selectFourObj = obj;
|
||
}
|
||
else if (index === 5) {
|
||
this.selectFiveObj = obj;
|
||
}
|
||
else if (index === 6) {
|
||
this.selectSixObj = obj;
|
||
}
|
||
},
|
||
getWhiteItem: function () {
|
||
var whiteItemHtml = '';
|
||
var itemHeightStyle = this.options.itemHeight + this.options.cssUnit;
|
||
var itemLi = '<li style="height: ' + itemHeightStyle + '; line-height: ' + itemHeightStyle + '"></li>';
|
||
whiteItemHtml += itemLi;
|
||
if (this.options.itemShowCount > 3) {
|
||
whiteItemHtml += itemLi;
|
||
}
|
||
if (this.options.itemShowCount > 5) {
|
||
whiteItemHtml += itemLi;
|
||
}
|
||
if (this.options.itemShowCount > 7) {
|
||
whiteItemHtml += itemLi;
|
||
}
|
||
return whiteItemHtml;
|
||
},
|
||
changeClassName: function (levelContainDom, plast) {
|
||
var pdom;
|
||
if (this.options.itemShowCount === 3) {
|
||
pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 1) + ')');
|
||
pdom.classList.add('at');
|
||
}
|
||
else if (this.options.itemShowCount === 5) {
|
||
pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 2) + ')');
|
||
pdom.classList.add('at');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 1) + ')').classList.add('side1');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 3) + ')').classList.add('side1');
|
||
}
|
||
else if (this.options.itemShowCount === 7) {
|
||
pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 3) + ')');
|
||
pdom.classList.add('at');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 2) + ')').classList.add('side1');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 1) + ')').classList.add('side2');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 4) + ')').classList.add('side1');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 5) + ')').classList.add('side2');
|
||
}
|
||
else if (this.options.itemShowCount === 9) {
|
||
pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 4) + ')');
|
||
pdom.classList.add('at');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 3) + ')').classList.add('side1');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 2) + ')').classList.add('side2');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 5) + ')').classList.add('side1');
|
||
levelContainDom.querySelector('li:nth-child(' + (plast + 6) + ')').classList.add('side2');
|
||
}
|
||
return pdom;
|
||
},
|
||
setBase: function () {
|
||
if (this.options.cssUnit === 'rem') {
|
||
var dltDom = document.documentElement;
|
||
var dltStyle = window.getComputedStyle(dltDom, null);
|
||
var dltFontSize = dltStyle.fontSize;
|
||
try {
|
||
this.baseSize = /\d+(?:\.\d+)?/.exec(dltFontSize)[0];
|
||
}
|
||
catch(e) {
|
||
this.baseSize = 1;
|
||
}
|
||
}
|
||
else {
|
||
this.baseSize = 1;
|
||
}
|
||
},
|
||
toggleClassList: function (dom) {
|
||
Array.prototype.slice.call(dom.querySelectorAll('li')).forEach(function (v) {
|
||
if (v.classList.contains('at')) {
|
||
v.classList.remove('at');
|
||
}
|
||
else if (v.classList.contains('side1')) {
|
||
v.classList.remove('side1');
|
||
}
|
||
else if (v.classList.contains('side2')) {
|
||
v.classList.remove('side2');
|
||
}
|
||
})
|
||
}
|
||
}
|
||
if (typeof module != 'undefined' && module.exports) {
|
||
module.exports = IosSelect;
|
||
}
|
||
else if (typeof define == 'function' && define.amd) {
|
||
define(function () {
|
||
return IosSelect;
|
||
});
|
||
}
|
||
else {
|
||
window.IosSelect = IosSelect;
|
||
}
|
||
})();
|