mirror of https://github.com/layui/layui
979 lines
29 KiB
JavaScript
979 lines
29 KiB
JavaScript
import layui from '../core.js';
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var document = window.document;
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/**
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* 元素查找
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* @param {string | HTMLElement | JQuery} selector
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*/
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var lay = function(selector){
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return new Class(selector);
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};
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// 构造器
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var Class = function(selector){
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var that = this;
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var elem = typeof selector === 'object' ? function(){
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// 仅适配简单元素对象
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return layui.isArray(selector) ? selector : [selector];
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}() : (
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this.selector = selector,
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document.querySelectorAll(selector || null)
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);
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lay.each(elem, function(index, item){
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that.push(elem[index]);
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});
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};
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/*
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* API 兼容
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*/
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Array.prototype.indexOf = Array.prototype.indexOf || function(searchElement, fromIndex) {
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var rst = -1;
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fromIndex = fromIndex || 0;
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layui.each(this, function(index, val){
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if (searchElement === val && index >= fromIndex) {
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rst = index;
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return true;
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}
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});
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return rst;
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};
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/*
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lay 对象操作
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*/
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Class.fn = Class.prototype = [];
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Class.fn.constructor = Class;
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/**
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* 将两个或多个对象的内容深度合并到第一个对象中
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* @callback ExtendFunc
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* @param {*} target - 一个对象
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* @param {...*} objectN - 包含额外的属性合并到第一个参数
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* @returns {*} 返回合并后的对象
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*/
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/** @type ExtendFunc*/
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lay.extend = function(){
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var ai = 1;
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var length;
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var args = arguments;
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var clone = function(target, obj){
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target = target || (layui.type(obj) === 'array' ? [] : {}); // 目标对象
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for(var i in obj){
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// 若值为普通对象，则进入递归，继续深度合并
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target[i] = (obj[i] && obj[i].constructor === Object)
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? clone(target[i], obj[i])
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: obj[i];
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}
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return target;
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};
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args[0] = typeof args[0] === 'object' ? args[0] : {};
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length = args.length;
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for(; ai < length; ai++){
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if(typeof args[ai] === 'object'){
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clone(args[0], args[ai]);
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}
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}
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return args[0];
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};
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/**
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* IE 版本
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* @type {string | boolean} - 如果是 IE 返回版本字符串，否则返回 false
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*/
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lay.ie = function(){
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var agent = navigator.userAgent.toLowerCase();
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return (!!window.ActiveXObject || "ActiveXObject" in window) ? (
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(agent.match(/msie\s(\d+)/) || [])[1] || '11' // 由于 ie11 并没有 msie 的标识
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) : false;
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}();
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/**
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* 获取 layui 常见方法，以便用于组件单独版
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*/
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lay.layui = layui || {};
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lay.getPath = layui.cache.dir; // 获取当前 JS 所在目录
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lay.stope = layui.stope; // 中止冒泡
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lay.each = function(){ // 遍历
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layui.each.apply(layui, arguments);
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return this;
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};
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/**
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* 数字前置补零
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* @param {number | string} num - 原始数字
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* @param {number} [length=2] - 数字长度，如果原始数字长度小于 length，则前面补零
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* @returns {string} 返回补 0 后的数字
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* @example
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* ```js
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* lay.digit(6, 2); // "06"
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* lay.digit('7', 3); // "007"
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* ```
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*/
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lay.digit = function(num, length){
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if(!(typeof num === 'string' || typeof num === 'number')) return '';
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var str = '';
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num = String(num);
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length = length || 2;
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for(var i = num.length; i < length; i++){
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str += '0';
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}
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return num < Math.pow(10, length) ? str + num : num;
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};
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/**
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* 创建元素
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* @param {string} elemName - 元素的标签名
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* @param {Object.<string, string>} [attr] - 添加到元素上的属性
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* @returns {HTMLElement} 返回创建的 HTML 元素
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* @example
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* ```js
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* lay.elem('div', {id: 'test'}) // <div id="test"></div>
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* ```
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*/
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lay.elem = function(elemName, attr){
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var elem = document.createElement(elemName);
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lay.each(attr || {}, function(key, value){
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elem.setAttribute(key, value);
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});
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return elem;
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};
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/**
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* 当前页面是否存在滚动条
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* @returns {boolean} 是否存在滚动条
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* @example
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* ```
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* lay.hasScrollbar() // true 或 false
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* ```
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*/
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lay.hasScrollbar = function(){
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return document.body.scrollHeight > (window.innerHeight || document.documentElement.clientHeight);
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};
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/**
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* 获取 style rules
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* @param {HTMLStyleElement} style - HTMLStyle 元素
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* @param {(ruleItem: CSSStyleRule, index: number) => boolean} [callback] - 用来返回 style 元素中的每个 `style rule` 的函数，返回 true 终止遍历
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* @returns {CSSRuleList } 返回 `style rules`
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* @example
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* ```
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* <style id="test">
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* .lay-card{
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* color: #000;
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* }
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* .lay-btn-success{
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* color: green;
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* }
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* </style>
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*
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* lay.getStyleRules($('#test')[0], function(rule, index){
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* if(rule.selectorText === '.lay-card'){
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* console.log(index, rule.cssText) // 0 '.lay-card{color: #000}'
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* rule.style.color = '#EEE';
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* return true; // 终止遍历
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* }
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* }) // RuleList
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* ```
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*/
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lay.getStyleRules = function(style, callback) {
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if (!style) return;
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var sheet = style.sheet || style.styleSheet || {};
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var rules = sheet.cssRules || sheet.rules;
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if (typeof callback === 'function') {
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layui.each(rules, function(i, item){
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if (callback(item, i)) return true;
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});
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}
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return rules;
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};
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/**
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* 创建 style 样式
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* @param {Object} options - 可配置的选项
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* @param {string | HTMLElement | JQuery} [options.target] - 目标容器，指定后会将样式追加到目标容器
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* @param {string} [options.id] - 样式元素的 id，默认自增
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* @param {string} options.text - 样式内容
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* @returns {HTMLStyleElement} 返回创建的样式元素
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* @example
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* ```html
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* <div id="targetEl">
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* <!-- 样式追加到目标容器 -->
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* <style id="LAY-STYLE-DF-0">.card{color: #000}</style>
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* </div>
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*
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* lay.style({
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* target: '#targetEl',
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* text: '.card{color: #000}'
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* }) // <style id="LAY-STYLE-DF-0">.card{color: #000}</style>
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* ```
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*/
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lay.style = function(options){
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options = options || {};
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var style = lay.elem('style');
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var styleText = options.text || '';
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var target = options.target;
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if (!styleText) return;
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// 添加样式
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if ('styleSheet' in style) {
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style.setAttribute('type', 'text/css');
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style.styleSheet.cssText = styleText;
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} else {
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style.innerHTML = styleText;
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}
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// ID
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style.id = 'LAY-STYLE-'+ (options.id || function(index) {
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lay.style.index++;
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return 'DF-'+ index;
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}(lay.style.index || 0));
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// 是否向目标容器中追加 style 元素
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if (target) {
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var styleElem = lay(target).find('#'+ style.id);
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styleElem[0] && styleElem.remove();
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lay(target).append(style);
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}
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return style;
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};
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/**
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* 将元素定位到指定目标元素附近
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* @param {HTMLElement} target - 目标元素
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* @param {HTMLElement} elem - 定位元素
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* @param {Object} [opts] - 可配置的选项
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* @param {'absolute' | 'fixed'} [opts.position] - 元素的定位类型
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* @param {'left' | 'right'} [opts.clickType="left"] - 点击类型，默认为 'left'，如果 {@link target} 是 document 或 body 元素，则为 'right'
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* @param {'left' | 'right' | 'center'} [opts.align="left"] - 对齐方式
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* @param {boolean} [opts.allowBottomOut=false] - 顶部没有足够区域显示时，是否允许底部溢出
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* @param {string | number} [opts.margin=5] - 边距
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* @param {Event} [opts.e] - 事件对象，仅右键生效
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* @param {boolean} [opts.SYSTEM_RELOAD] - 是否重载，用于出现滚动条时重新计算位置
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* @param {[offsetX:number, offsetY:number]} [opts.offset] - 相对于触发元素的额外偏移量[x,y]
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* @example
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* ```js
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* <button id="targetEl">dropdown</button>
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* <ul id="contentEl" class="dropdown-menu">
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* <li>菜单1</li>
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* <li>菜单2</li>
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* </ul>
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*
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* // 下拉菜单将被定位到按钮附近
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* lay.position(
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* $('#targetEl')[0],
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* $('#contentEl')[0],
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* {
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* position: 'fixed',
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* align: 'center'
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* }
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* )
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* ```
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*/
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lay.position = function(target, elem, opts){
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if(!elem) return;
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opts = opts || {};
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// 如果绑定的是 document 或 body 元素，则直接获取鼠标坐标
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if(target === document || target === lay('body')[0]){
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opts.clickType = 'right';
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}
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// 绑定绑定元素的坐标
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var rect = opts.clickType === 'right' ? function(){
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var e = opts.e || window.event || {};
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return {
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left: e.clientX,
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top: e.clientY,
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right: e.clientX,
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bottom: e.clientY
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}
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}() : target.getBoundingClientRect();
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var elemWidth = elem.offsetWidth; // 控件的宽度
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var elemHeight = elem.offsetHeight; // 控件的高度
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// 滚动条高度
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var scrollArea = function(type){
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type = type ? 'scrollLeft' : 'scrollTop';
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return document.body[type] | document.documentElement[type];
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};
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// 窗口宽高
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var winArea = function(type){
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return document.documentElement[type ? 'clientWidth' : 'clientHeight']
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};
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var margin = 'margin' in opts ? opts.margin : 5;
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var left = rect.left;
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var top = rect.bottom;
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// 相对元素居中
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if(opts.align === 'center'){
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left = left - (elemWidth - target.offsetWidth) / 2;
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} else if(opts.align === 'right'){
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left = left - elemWidth + target.offsetWidth;
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}
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// 判断右侧是否超出边界
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if(left + elemWidth + margin > winArea('width')){
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left = winArea('width') - elemWidth - margin; // 如果超出右侧，则将面板向右靠齐
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}
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// 左侧是否超出边界
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if(left < margin) left = margin;
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// 判断底部和顶部是否超出边界
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if(rect.bottom + elemHeight + margin > winArea()){ // 底部超出边界
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// 优先判断顶部是否有足够区域显示完全，且底部不能超出边界
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if(rect.top > elemHeight + margin && rect.top <= winArea() ){
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top = rect.top - elemHeight - margin*2; // 顶部有足够的区域显示
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} else if(!opts.allowBottomOut){ // 顶部没有足够区域显示时，是否允许底部溢出
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top = winArea() - elemHeight - margin*2; // 面板向底部靠齐
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if(top < 0) top = 0; // 如果面板底部靠齐时，又溢出窗口顶部，则只能将顶部靠齐
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}
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}
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/*
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if(top + elemHeight + margin > winArea()){
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// 优先顶部是否有足够区域显示完全
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if(rect.top > elemHeight + margin){
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top = rect.top - elemHeight - margin*2; // 顶部有足够的区域显示
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} else {
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// 如果面板是鼠标右键弹出，且顶部没有足够区域显示，则将面板向底部靠齐
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if(obj.clickType === 'right'){
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top = winArea() - elemHeight - margin*2;
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if(top < 0) top = 0; // 不能溢出窗口顶部
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} else {
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top = margin; // 位置计算逻辑完备性处理
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}
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}
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}
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*/
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// 定位类型
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var position = opts.position;
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if(position) elem.style.position = position;
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var offsetX = opts.offset ? opts.offset[0] : 0;
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var offsetY = opts.offset ? opts.offset[1] : 0;
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// 设置坐标
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elem.style.left = left + (position === 'fixed' ? 0 : scrollArea(1)) + offsetX + 'px';
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elem.style.top = top + (position === 'fixed' ? 0 : scrollArea()) + offsetY + 'px';
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// 防止页面无滚动条时，又因为弹出面板而出现滚动条导致的坐标计算偏差
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if(!lay.hasScrollbar()){
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var rect1 = elem.getBoundingClientRect();
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// 如果弹出面板的溢出窗口底部，则表示将出现滚动条，此时需要重新计算坐标
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if(!opts.SYSTEM_RELOAD && (rect1.bottom + margin) > winArea()){
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opts.SYSTEM_RELOAD = true;
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setTimeout(function(){
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lay.position(target, elem, opts);
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}, 50);
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}
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}
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};
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/**
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* 获取元素上的属性配置项
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* @param {string | HTMLElement | JQuery} elem - HTML 元素
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* @param {{attr: string} | string} [opts="lay-options"] - 可配置的选项，string 类型指定属性名
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* @returns {Object.<string, any>} 返回元素上的属性配置项
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* @example
|
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* ```js
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* <div id="testEl" lay-options="{color:red}" lay-toc="{hot: true}"></div>
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*
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* var elem = $('#testEl')
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* lay.options(elem) // {color:red}
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* lay.options(elem[0]) // {color:red}
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* lay.options('#testEl') // {color:red}
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* lay.options('#testEl', {attr: 'lay-toc'}) // {hot: true}
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* lay.options('#testEl', 'lay-toc') // {hot: true}
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*
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* $('#testEl').attr('lay-toc') // '{hot: true}'
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* ```
|
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*/
|
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lay.options = function(elem, opts){
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opts = typeof opts === 'object' ? opts : {attr: opts};
|
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if(elem === document) return {};
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var othis = lay(elem);
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var attrName = opts.attr || 'lay-options';
|
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var attrValue = othis.attr(attrName);
|
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try {
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/**
|
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* 请注意: 开发者在使用 lay-options="{}" 配置组件选项时，需确保属性值不来自于网页用户,
|
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* 即属性值必须在网页开发者自身的可控范围内，否则请勿在 HTML 标签属性中获取组件选项。
|
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*/
|
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return new Function('return '+ (attrValue || '{}'))();
|
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} catch(ev) {
|
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layui.hint().error(opts.errorText || [
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attrName + '="'+ attrValue + '"',
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'\n parseerror: '+ ev
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].join('\n'), 'error');
|
||
return {};
|
||
}
|
||
};
|
||
|
||
|
||
/**
|
||
* 元素是否属于顶级元素（document 或 body）
|
||
* @param {HTMLElement} elem - HTML 元素
|
||
* @returns {boolean} 是否属于顶级元素
|
||
* @example
|
||
* ```js
|
||
* lay.isTopElem(document) // true
|
||
* ```
|
||
*/
|
||
lay.isTopElem = function(elem){
|
||
var topElems = [document, lay('body')[0]]
|
||
,matched = false;
|
||
lay.each(topElems, function(index, item){
|
||
if(item === elem){
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||
return matched = true
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}
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});
|
||
return matched;
|
||
};
|
||
|
||
// 剪切板
|
||
lay.clipboard = {
|
||
/**
|
||
* 写入文本
|
||
* @param {Object} options - 可配置的选项
|
||
* @param {string} options.text - 写入剪贴板的文本
|
||
* @param {() => void} [options.done] - 写入成功/完成回调
|
||
* @param {(err?: any) => void} [options.error] - 写入失败回调
|
||
* @example
|
||
* ```js
|
||
* lay.clipboard.writeText({
|
||
* text: '测试文本',
|
||
* done: function(){ layer.msg('copied')},
|
||
* error: function(){ layer.msg('error')}
|
||
* })
|
||
* ```
|
||
*/
|
||
writeText: function(options) {
|
||
var text = String(options.text);
|
||
|
||
if(navigator && 'clipboard' in navigator){
|
||
navigator.clipboard.writeText(text)
|
||
.then(options.done, function(){
|
||
legacyCopy();
|
||
});
|
||
}else {
|
||
legacyCopy();
|
||
}
|
||
|
||
function legacyCopy(){
|
||
var elem = document.createElement('textarea');
|
||
|
||
elem.value = text;
|
||
elem.style.position = 'fixed';
|
||
elem.style.opacity = '0';
|
||
elem.style.top = '0px';
|
||
elem.style.left = '0px';
|
||
|
||
document.body.appendChild(elem);
|
||
elem.select();
|
||
|
||
try {
|
||
document.execCommand('copy');
|
||
typeof options.done === 'function' && options.done();
|
||
} catch(err) {
|
||
typeof options.error === 'function' && options.error(err);
|
||
} finally {
|
||
elem.remove ? elem.remove() : document.body.removeChild(elem);
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* 检测是否支持 Passive Event Listeners
|
||
* 引用自 https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md
|
||
* @type {boolean}
|
||
*/
|
||
lay.passiveSupported = function(){
|
||
var passiveSupported = false;
|
||
try {
|
||
var opts = Object.defineProperty({}, 'passive', {
|
||
get: function() {
|
||
passiveSupported = true;
|
||
}
|
||
});
|
||
window.addEventListener('test', null, opts);
|
||
window.removeEventListener('test', null, opts);
|
||
} catch (err) {}
|
||
return passiveSupported;
|
||
}();
|
||
|
||
/**
|
||
* 是否支持 touch 事件
|
||
*/
|
||
lay.touchEventsSupported = function(){
|
||
return 'ontouchstart' in window;
|
||
};
|
||
|
||
/**
|
||
* @typedef touchSwipeState
|
||
* @prop {{x: number,y: number}} pointerStart - 初始坐标
|
||
* @prop {{x: number,y: number}} pointerEnd - 结束坐标
|
||
* @prop {number} distanceX - X 轴移动距离
|
||
* @prop {number} distanceY - Y 轴移动距离
|
||
* @prop {'none'|'right'|'left'|'up'|'down'} direction - 滑动方向
|
||
* @prop {Date} timeStart 开始时间
|
||
*/
|
||
/**
|
||
* @callback touchSwipeCallback
|
||
* @param {TouchEvent} e 滑动事件
|
||
* @param {touchSwipeState} state 滑动相关的状态
|
||
*/
|
||
/**
|
||
* 基于 touch 事件的触摸滑动
|
||
* @param {string | HTMLElement | JQuery} elem - HTML 元素
|
||
* @param {{onTouchStart?: touchSwipeCallback; onTouchMove?: touchSwipeCallback; onTouchEnd?: touchSwipeCallback; preventDefault?: boolean}} opts - 配置项
|
||
*/
|
||
lay.touchSwipe = function(elem, opts){
|
||
var options = opts;
|
||
var targetElem = lay(elem)[0];
|
||
var preventDefault = 'preventDefault' in options ? options.preventDefault : true;
|
||
|
||
if(!targetElem || !lay.touchEventsSupported()) return;
|
||
|
||
var state = {
|
||
pointerStart: {x:0, y:0},
|
||
pointerEnd: {x:0, y:0},
|
||
distanceX: 0,
|
||
distanceY: 0,
|
||
direction:'none', // 'up','down','left','right','none
|
||
timeStart: null
|
||
};
|
||
|
||
var onStart = function(e){
|
||
if(e.touches.length !== 1) return;
|
||
bindEvents();
|
||
// 重置状态
|
||
state.timeStart = Date.now();
|
||
state.pointerStart.x = state.pointerEnd.x = e.touches[0].clientX;
|
||
state.pointerStart.y = state.pointerEnd.y = e.touches[0].clientY;
|
||
state.distanceX = state.distanceY = 0;
|
||
state.direction = 'none';
|
||
|
||
options.onTouchStart && options.onTouchStart(e, state);
|
||
};
|
||
|
||
var onMove = function(e){
|
||
if(preventDefault){
|
||
e.preventDefault();
|
||
}
|
||
state.pointerEnd.x = e.touches[0].clientX;
|
||
state.pointerEnd.y = e.touches[0].clientY;
|
||
state.distanceX = state.pointerStart.x - state.pointerEnd.x;
|
||
state.distanceY = state.pointerStart.y - state.pointerEnd.y;
|
||
if(Math.abs(state.distanceX) > Math.abs(state.distanceY)){
|
||
state.direction = state.distanceX > 0 ? 'left' : 'right';
|
||
}else {
|
||
state.direction = state.distanceY > 0 ? 'up' : 'down';
|
||
}
|
||
options.onTouchMove && options.onTouchMove(e, state);
|
||
};
|
||
|
||
var onEnd = function(e){
|
||
options.onTouchEnd && options.onTouchEnd(e, state);
|
||
unbindEvents();
|
||
};
|
||
|
||
var bindEvents = function(){
|
||
targetElem.addEventListener('touchmove', onMove, lay.passiveSupported ? { passive: false} : false);
|
||
targetElem.addEventListener('touchend', onEnd);
|
||
targetElem.addEventListener('touchcancel', onEnd);
|
||
};
|
||
|
||
var unbindEvents = function(){
|
||
targetElem.removeEventListener('touchmove', onMove);
|
||
targetElem.removeEventListener('touchend', onEnd, lay.passiveSupported ? { passive: false} : false);
|
||
targetElem.removeEventListener('touchcancel', onEnd);
|
||
};
|
||
|
||
// 防止事件重复绑定
|
||
if(targetElem.__lay_touchswipe_cb_){
|
||
targetElem.removeEventListener('touchstart', targetElem.__lay_touchswipe_cb_);
|
||
}
|
||
targetElem.__lay_touchswipe_cb_ = onStart;
|
||
targetElem.addEventListener('touchstart', onStart);
|
||
};
|
||
|
||
/** @type {(elem: Element|Document|Window,eventName: string,fn:EventListenerOrEventListenerObject,options: boolean | AddEventListenerOptions) => any}*/
|
||
lay.addEvent = function(){
|
||
if(document.addEventListener){
|
||
return function(elem, eventName, fn, options){
|
||
elem.addEventListener(eventName, fn, options);
|
||
}
|
||
}else {
|
||
return function(elem, eventName, fn){
|
||
var prefix = '_lay_on_';
|
||
var eventsCacheName = prefix + eventName;
|
||
var listener = function(e){
|
||
e.target = e.srcElement;
|
||
fn.call(elem, e);
|
||
};
|
||
listener._rawFn = fn;
|
||
if(!elem[eventsCacheName]){
|
||
elem[eventsCacheName] = [];
|
||
}
|
||
var include = false;
|
||
lay.each(elem[eventsCacheName], function(_, listener){
|
||
if(listener._rawFn === fn){
|
||
include = true;
|
||
return true;
|
||
}
|
||
});
|
||
if(!include){
|
||
elem[eventsCacheName].push(listener);
|
||
elem.attachEvent('on' + eventName, listener);
|
||
}
|
||
}
|
||
}
|
||
}();
|
||
|
||
/** @type {(elem: Element|Document|Window,eventName: string,fn:EventListenerOrEventListenerObject,options: boolean | EventListenerOptions) => any}*/
|
||
lay.removeEvent = function(){
|
||
if(document.removeEventListener){
|
||
return function(elem, eventName, fn, options){
|
||
elem.removeEventListener(eventName, fn, options);
|
||
}
|
||
}else {
|
||
return function(elem, eventName, fn){
|
||
var prefix = '_lay_on_';
|
||
var eventsCacheName = prefix + eventName;
|
||
var events = elem[eventsCacheName];
|
||
if(layui.isArray(events)){
|
||
var newEvents = [];
|
||
lay.each(events, function(_, listener){
|
||
if(listener._rawFn === fn){
|
||
elem.detachEvent('on'+ eventName, listener);
|
||
}else {
|
||
newEvents.push(listener);
|
||
}
|
||
});
|
||
elem[eventsCacheName] = newEvents;
|
||
}
|
||
}
|
||
}
|
||
}();
|
||
|
||
/**
|
||
* 绑定指定元素外部的点击事件
|
||
* @param {HTMLElement} target - 响应事件的元素
|
||
* @param {(e: Event) => void} handler - 事件触发时执行的函数
|
||
* @param {object} [options] - 选项
|
||
* @param {string} [options.event="pointerdown"] - 事件类型
|
||
* @param {HTMLElement | Window} [options.scope=document] - 事件范围
|
||
* @param {Array<HTMLElement | string>} [options.ignore] - 忽略触发事件的元素或选择器字符串
|
||
* @param {boolean} [options.capture=true] - 对内部事件 listener 使用捕获阶段
|
||
* @param {boolean} [options.detectIframe] - 是否检测 iframe
|
||
* @returns {() => void} - 返回一个停止事件响应的函数
|
||
*/
|
||
lay.onClickOutside = function(target, handler, options){
|
||
options = options || {};
|
||
var eventType = options.event || ('onpointerdown' in window ? 'pointerdown' : 'mousedown');
|
||
var scopeTarget = options.scope || document;
|
||
var ignore = options.ignore || [];
|
||
var useCapture = 'capture' in options ? options.capture : true;
|
||
var detectIframe = options.detectIframe;
|
||
|
||
var listener = function(event){
|
||
var el = target;
|
||
var eventTarget = event.target || event.srcElement;
|
||
var eventPath = getEventPath(event);
|
||
|
||
if (!el || el === eventTarget || eventPath.indexOf(el) !== -1){
|
||
return;
|
||
}
|
||
if(shouldIgnore(event, eventPath)){
|
||
return;
|
||
}
|
||
|
||
handler(event);
|
||
};
|
||
|
||
function shouldIgnore(event, eventPath){
|
||
var eventTarget = event.target || event.srcElement;
|
||
for(var i = 0; i < ignore.length; i++){
|
||
var target = ignore[i];
|
||
if(typeof target === 'string'){
|
||
var targetElements = document.querySelectorAll(target);
|
||
for(var j = 0; j < targetElements.length; j++){
|
||
var targetEl = targetElements[i];
|
||
if(targetEl === eventTarget || eventPath.indexOf(targetEl) !== -1){
|
||
return true;
|
||
}
|
||
}
|
||
}else {
|
||
if(target && (target === eventTarget || eventPath.indexOf(target) !== -1)){
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
function getEventPath(event){
|
||
var path = (event.composedPath && event.composedPath()) || event.path;
|
||
var eventTarget = event.target || event.srcElement;
|
||
|
||
if (path !== null && path !== undefined){
|
||
return path;
|
||
}
|
||
|
||
function getParents(node, memo){
|
||
memo = memo || [];
|
||
var parentNode = node.parentNode;
|
||
|
||
return parentNode
|
||
? getParents(parentNode, memo.concat([parentNode]))
|
||
: memo;
|
||
}
|
||
|
||
return [eventTarget].concat(getParents(eventTarget));
|
||
}
|
||
|
||
function bindEventListener(elem, eventName, handler, opts){
|
||
elem.addEventListener
|
||
? elem.addEventListener(eventName, handler, opts)
|
||
: elem.attachEvent('on' + eventName, handler);
|
||
|
||
return function(){
|
||
elem.removeEventListener
|
||
? elem.removeEventListener(eventName, handler, opts)
|
||
: elem.detachEvent('on' + eventName, handler);
|
||
}
|
||
}
|
||
|
||
var cleanup = [
|
||
bindEventListener(
|
||
scopeTarget,
|
||
eventType,
|
||
listener,
|
||
lay.passiveSupported ? { passive: true, capture: useCapture } : useCapture
|
||
),
|
||
detectIframe && bindEventListener(window, 'blur', function(event){
|
||
setTimeout(function(){
|
||
if(document.activeElement && document.activeElement.tagName === 'IFRAME'
|
||
&& target.contains && !target.contains(document.activeElement)
|
||
){
|
||
handler(event);
|
||
}
|
||
}, 0);
|
||
})
|
||
];
|
||
|
||
return function(){
|
||
for(var i=0; i < cleanup.length; i++){
|
||
cleanup[i] && cleanup[i]();
|
||
}
|
||
cleanup = null;
|
||
}
|
||
};
|
||
|
||
var hasOwnProperty = Object.prototype.hasOwnProperty;
|
||
lay.hasOwn = function(obj, prop){
|
||
return hasOwnProperty.call(obj, prop);
|
||
};
|
||
|
||
|
||
/*
|
||
* lay 元素操作
|
||
*/
|
||
|
||
|
||
// 追加字符
|
||
Class.addStr = function(str, new_str){
|
||
str = str.replace(/\s+/, ' ');
|
||
new_str = new_str.replace(/\s+/, ' ').split(' ');
|
||
lay.each(new_str, function(ii, item){
|
||
if(!new RegExp('\\b'+ item + '\\b').test(str)){
|
||
str = str + ' ' + item;
|
||
}
|
||
});
|
||
return str.replace(/^\s|\s$/, '');
|
||
};
|
||
|
||
// 移除值
|
||
Class.removeStr = function(str, new_str){
|
||
str = str.replace(/\s+/, ' ');
|
||
new_str = new_str.replace(/\s+/, ' ').split(' ');
|
||
lay.each(new_str, function(ii, item){
|
||
var exp = new RegExp('\\b'+ item + '\\b');
|
||
if(exp.test(str)){
|
||
str = str.replace(exp, '');
|
||
}
|
||
});
|
||
return str.replace(/\s+/, ' ').replace(/^\s|\s$/, '');
|
||
};
|
||
|
||
// 查找子元素
|
||
Class.fn.find = function(selector){
|
||
var elem = [];
|
||
var isObject = typeof selector === 'object';
|
||
|
||
this.each(function(i, item){
|
||
var children = isObject && item.contains(selector)
|
||
? selector
|
||
: item.querySelectorAll(selector || null);
|
||
|
||
lay.each(children, function(index, child){
|
||
elem.push(child);
|
||
});
|
||
});
|
||
|
||
return lay(elem);
|
||
};
|
||
|
||
// 元素遍历
|
||
Class.fn.each = function(fn){
|
||
return lay.each.call(this, this, fn);
|
||
};
|
||
|
||
// 添加 className
|
||
Class.fn.addClass = function(className, type){
|
||
return this.each(function(index, item){
|
||
item.className = Class[type ? 'removeStr' : 'addStr'](item.className, className);
|
||
});
|
||
};
|
||
|
||
// 移除 className
|
||
Class.fn.removeClass = function(className){
|
||
return this.addClass(className, true);
|
||
};
|
||
|
||
// 是否包含 css 类
|
||
Class.fn.hasClass = function(className){
|
||
var has = false;
|
||
this.each(function(index, item){
|
||
if(new RegExp('\\b'+ className +'\\b').test(item.className)){
|
||
has = true;
|
||
}
|
||
});
|
||
return has;
|
||
};
|
||
|
||
// 添加或获取 css style
|
||
Class.fn.css = function(key, value){
|
||
var that = this;
|
||
var parseValue = function(v){
|
||
return isNaN(v) ? v : (v +'px');
|
||
};
|
||
return (typeof key === 'string' && value === undefined) ? function(){
|
||
if(that.length > 0) return that[0].style[key];
|
||
}() : that.each(function(index, item){
|
||
typeof key === 'object' ? lay.each(key, function(thisKey, thisValue){
|
||
item.style[thisKey] = parseValue(thisValue);
|
||
}) : item.style[key] = parseValue(value);
|
||
});
|
||
};
|
||
|
||
// 添加或获取宽度
|
||
Class.fn.width = function(value){
|
||
var that = this;
|
||
return value === undefined ? function(){
|
||
if(that.length > 0) return that[0].offsetWidth; // 此处还需做兼容
|
||
}() : that.each(function(index, item){
|
||
that.css('width', value);
|
||
});
|
||
};
|
||
|
||
// 添加或获取高度
|
||
Class.fn.height = function(value){
|
||
var that = this;
|
||
return value === undefined ? function(){
|
||
if(that.length > 0) return that[0].offsetHeight; // 此处还需做兼容
|
||
}() : that.each(function(index, item){
|
||
that.css('height', value);
|
||
});
|
||
};
|
||
|
||
// 添加或获取属性
|
||
Class.fn.attr = function(key, value){
|
||
var that = this;
|
||
return value === undefined ? function(){
|
||
if(that.length > 0) return that[0].getAttribute(key);
|
||
}() : that.each(function(index, item){
|
||
item.setAttribute(key, value);
|
||
});
|
||
};
|
||
|
||
// 移除属性
|
||
Class.fn.removeAttr = function(key){
|
||
return this.each(function(index, item){
|
||
item.removeAttribute(key);
|
||
});
|
||
};
|
||
|
||
// 设置或获取 HTML 内容
|
||
Class.fn.html = function(html){
|
||
var that = this;
|
||
return html === undefined ? function(){
|
||
if(that.length > 0) return that[0].innerHTML;
|
||
}() : this.each(function(index, item){
|
||
item.innerHTML = html;
|
||
});
|
||
};
|
||
|
||
// 设置或获取值
|
||
Class.fn.val = function(value){
|
||
var that = this;
|
||
return value === undefined ? function(){
|
||
if(that.length > 0) return that[0].value;
|
||
}() : this.each(function(index, item){
|
||
item.value = value;
|
||
});
|
||
};
|
||
|
||
// 追加内容
|
||
Class.fn.append = function(elem){
|
||
return this.each(function(index, item){
|
||
typeof elem === 'object'
|
||
? item.appendChild(elem)
|
||
: item.innerHTML = item.innerHTML + elem;
|
||
});
|
||
};
|
||
|
||
// 移除内容
|
||
Class.fn.remove = function(elem){
|
||
return this.each(function(index, item){
|
||
elem ? item.removeChild(elem) : item.parentNode.removeChild(item);
|
||
});
|
||
};
|
||
|
||
// 事件绑定
|
||
Class.fn.on = function(eventName, fn, options){
|
||
return this.each(function(index, item){
|
||
lay.addEvent(item, eventName, fn, options);
|
||
});
|
||
};
|
||
|
||
// 解除事件
|
||
Class.fn.off = function(eventName, fn, options){
|
||
return this.each(function(index, item){
|
||
lay.removeEvent(item, eventName, fn, options);
|
||
});
|
||
};
|
||
|
||
export { lay as default, lay };
|
||
//# sourceMappingURL=lay.js.map
|