本文介绍了一个基于浏览器的富文本编辑器实现细节，包括DOM操作API的封装、事件绑定、命令执行等关键技术点。
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.wangEditor = factory());
}(this, (function () { 'use strict';
/*
poly-fill
*/
var polyfill = function () {
// Object.assign
if (typeof Object.assign != 'function') {
Object.assign = function (target, varArgs) {
// .length of function is 2
if (target == null) {
// TypeError if undefined or null
throw new TypeError('Cannot convert undefined or null to object');
}
var to = Object(target);
for (var index = 1; index < arguments.length; index++) {
var nextSource = arguments[index];
if (nextSource != null) {
// Skip over if undefined or null
for (var nextKey in nextSource) {
// Avoid bugs when hasOwnProperty is shadowed
if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
to[nextKey] = nextSource[nextKey];
}
}
}
}
return to;
};
}
// IE 中兼容 Element.prototype.matches
if (!Element.prototype.matches) {
Element.prototype.matches = Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector || function (s) {
var matches = (this.document || this.ownerDocument).querySelectorAll(s),
i = matches.length;
while (--i >= 0 && matches.item(i) !== this) {}
return i > -1;
};
}
};
/*
DOM 操作 API
*/
// 根据 html 代码片段创建 dom 对象
function createElemByHTML(html) {
var div = void 0;
div = document.createElement('div');
div.innerHTML = html;
return div.children;
}
// 是否是 DOM List
function isDOMList(selector) {
if (!selector) {
return false;
}
if (selector instanceof HTMLCollection || selector instanceof NodeList) {
return true;
}
return false;
}
// 封装 document.querySelectorAll
function querySelectorAll(selector) {
var result = document.querySelectorAll(selector);
if (isDOMList(result)) {
return result;
} else {
return [result];
}
}
// 记录所有的事件绑定
var eventList = [];
// 创建构造函数
function DomElement(selector) {
if (!selector) {
return;
}
// selector 本来就是 DomElement 对象，直接返回
if (selector instanceof DomElement) {
return selector;
}
this.selector = selector;
var nodeType = selector.nodeType;
// 根据 selector 得出的结果（如 DOM，DOM List）
var selectorResult = [];
if (nodeType === 9) {
// document 节点
selectorResult = [selector];
} else if (nodeType === 1) {
// 单个 DOM 节点
selectorResult = [selector];
} else if (isDOMList(selector) || selector instanceof Array) {
// DOM List 或者数组
selectorResult = selector;
} else if (typeof selector === 'string') {
// 字符串
selector = selector.replace('/\n/mg', '').trim();
if (selector.indexOf('<') === 0) {
// 如 <div>
selectorResult = createElemByHTML(selector);
} else {
// 如 #id .class
selectorResult = querySelectorAll(selector);
}
}
var length = selectorResult.length;
if (!length) {
// 空数组
return this;
}
// 加入 DOM 节点
var i = void 0;
for (i = 0; i < length; i++) {
this[i] = selectorResult[i];
}
this.length = length;
}
// 修改原型
DomElement.prototype = {
constructor: DomElement,
// 类数组，forEach
forEach: function forEach(fn) {
var i = void 0;
for (i = 0; i < this.length; i++) {
var elem = this[i];
var result = fn.call(elem, elem, i);
if (result === false) {
break;
}
}
return this;
},
// clone
clone: function clone(deep) {
var cloneList = [];
this.forEach(function (elem) {
cloneList.push(elem.cloneNode(!!deep));
});
return $(cloneList);
},
// 获取第几个元素
get: function get(index) {
var length = this.length;
if (index >= length) {
index = index % length;
}
return $(this[index]);
},
// 第一个
first: function first() {
return this.get(0);
},
// 最后一个
last: function last() {
var length = this.length;
return this.get(length - 1);
},
// 绑定事件
on: function on(type, selector, fn) {
// selector 不为空，证明绑定事件要加代理
if (!fn) {
fn = selector;
selector = null;
}
// type 是否有多个
var types = [];
types = type.split(/\s+/);
return this.forEach(function (elem) {
types.forEach(function (type) {
if (!type) {
return;
}
// 记录下，方便后面解绑
eventList.push({
elem: elem,
type: type,
fn: fn
});
if (!selector) {
// 无代理
elem.addEventListener(type, fn);
return;
}
// 有代理
elem.addEventListener(type, function (e) {
var target = e.target;
if (target.matches(selector)) {
fn.call(target, e);
}
});
});
});
},
// 取消事件绑定
off: function off(type, fn) {
return this.forEach(function (elem) {
elem.removeEventListener(type, fn);
});
},
// 获取/设置 属性
attr: function attr(key, val) {
if (val == null) {
// 获取值
return this[0].getAttribute(key);
} else {
// 设置值
return this.forEach(function (elem) {
elem.setAttribute(key, val);
});
}
},
// 添加 class
addClass: function addClass(className) {
if (!className) {
return this;
}
return this.forEach(function (elem) {
var arr = void 0;
if (elem.className) {
// 解析当前 className 转换为数组
arr = elem.className.split(/\s/);
arr = arr.filter(function (item) {
return !!item.trim();
});
// 添加 class
if (arr.indexOf(className) < 0) {
arr.push(className);
}
// 修改 elem.class
elem.className = arr.join(' ');
} else {
elem.className = className;
}
});
},
// 删除 class
removeClass: function removeClass(className) {
if (!className) {
return this;
}
return this.forEach(function (elem) {
var arr = void 0;
if (elem.className) {
// 解析当前 className 转换为数组
arr = elem.className.split(/\s/);
arr = arr.filter(function (item) {
item = item.trim();
// 删除 class
if (!item || item === className) {
return false;
}
return true;
});
// 修改 elem.class
elem.className = arr.join(' ');
}
});
},
// 修改 css
css: function css(key, val) {
var currentStyle = key + ':' + val + ';';
return this.forEach(function (elem) {
var style = (elem.getAttribute('style') || '').trim();
var styleArr = void 0,
resultArr = [];
if (style) {
// 将 style 按照 ; 拆分为数组
styleArr = style.split(';');
styleArr.forEach(function (item) {
// 对每项样式，按照 : 拆分为 key 和 value
var arr = item.split(':').map(function (i) {
return i.trim();
});
if (arr.length === 2) {
resultArr.push(arr[0] + ':' + arr[1]);
}
});
// 替换或者新增
resultArr = resultArr.map(function (item) {
if (item.indexOf(key) === 0) {
return currentStyle;
} else {
return item;
}
});
if (resultArr.indexOf(currentStyle) < 0) {
resultArr.push(currentStyle);
}
// 结果
elem.setAttribute('style', resultArr.join('; '));
} else {
// style 无值
elem.setAttribute('style', currentStyle);
}
});
},
// 显示
show: function show() {
return this.css('display', 'block');
},
// 隐藏
hide: function hide() {
return this.css('display', 'none');
},
// 获取子节点
children: function children() {
var elem = this[0];
if (!elem) {
return null;
}
return $(elem.children);
},
// 获取子节点（包括文本节点）
childNodes: function childNodes() {
var elem = this[0];
if (!elem) {
return null;
}
return $(elem.childNodes);
},
// 增加子节点
append: function append($children) {
return this.forEach(function (elem) {
$children.forEach(function (child) {
elem.appendChild(child);
});
});
},
// 移除当前节点
remove: function remove() {
return this.forEach(function (elem) {
if (elem.remove) {
elem.remove();
} else {
var parent = elem.parentElement;
parent && parent.removeChild(elem);
}
});
},
// 是否包含某个子节点
isContain: function isContain($child) {
var elem = this[0];
var child = $child[0];
return elem.contains(child);
},
// 尺寸数据
getSizeData: function getSizeData() {
var elem = this[0];
return elem.getBoundingClientRect(); // 可得到 bottom height left right top width 的数据
},
// 封装 nodeName
getNodeName: function getNodeName() {
var elem = this[0];
return elem.nodeName;
},
// 从当前元素查找
find: function find(selector) {
var elem = this[0];
return $(elem.querySelectorAll(selector));
},
// 获取当前元素的 text
text: function text(val) {
if (!val) {
// 获取 text
var elem = this[0];
return elem.innerHTML.replace(/<.*?>/g, function () {
return '';
});
} else {
// 设置 text
return this.forEach(function (elem) {
elem.innerHTML = val;
});
}
},
// 获取 html
html: function html(value) {
var elem = this[0];
if (value == null) {
return elem.innerHTML;
} else {
elem.innerHTML = value;
return this;
}
},
// 获取 value
val: function val() {
var elem = this[0];
return elem.value.trim();
},
// focus
focus: function focus() {
return this.forEach(function (elem) {
elem.focus();
});
},
// parent
parent: function parent() {
var elem = this[0];
return $(elem.parentElement);
},
// parentUntil 找到符合 selector 的父节点
parentUntil: function parentUntil(selector, _currentElem) {
var results = document.querySelectorAll(selector);
var length = results.length;
if (!length) {
// 传入的 selector 无效
return null;
}
var elem = _currentElem || this[0];
if (elem.nodeName === 'BODY') {
return null;
}
var parent = elem.parentElement;
var i = void 0;
for (i = 0; i < length; i++) {
if (parent === results[i]) {
// 找到，并返回
return $(parent);
}
}
// 继续查找
return this.parentUntil(selector, parent);
},
// 判断两个 elem 是否相等
equal: function equal($elem) {
if ($elem.nodeType === 1) {
return this[0] === $elem;
} else {
return this[0] === $elem[0];
}
},
// 将该元素插入到某个元素前面
insertBefore: function insertBefore(selector) {
var $referenceNode = $(selector);
var referenceNode = $referenceNode[0];
if (!referenceNode) {
return this;
}
return this.forEach(function (elem) {
var parent = referenceNode.parentNode;
parent.insertBefore(elem, referenceNode);
});
},
// 将该元素插入到某个元素后面
insertAfter: function insertAfter(selector) {
var $referenceNode = $(selector);
var referenceNode = $referenceNode[0];
if (!referenceNode) {
return this;
}
return this.forEach(function (elem) {
var parent = referenceNode.parentNode;
if (parent.lastChild === referenceNode) {
// 最后一个元素
parent.appendChild(elem);
} else {
// 不是最后一个元素
parent.insertBefore(elem, referenceNode.nextSibling);
}
});
}
};
// new 一个对象
function $(selector) {
return new DomElement(selector);
}
// 解绑所有事件，用于销毁编辑器
$.offAll = function () {
eventList.forEach(function (item) {
var elem = item.elem;
var type = item.type;
var fn = item.fn;
// 解绑
elem.removeEventListener(type, fn);
});
};
/*
配置信息
*/
var config = {
// 默认菜单配置
menus: ['head', 'bold', 'italic', 'underline', 'strikeThrough', 'foreColor', 'backColor', 'link', 'list', 'justify', 'quote', 'emoticon', 'image', 'table', 'video', 'code', 'undo', 'redo'],
colors: ['#000000', '#eeece0', '#1c487f', '#4d80bf', '#c24f4a', '#8baa4a', '#7b5ba1', '#46acc8', '#f9963b', '#ffffff'],
// // 语言配置
// lang: {
// '设置标题': 'title',
// '正文': 'p',
// '链接文字': 'link text',
// '链接': 'link',
// '插入': 'insert',
// '创建': 'init'
// },
// 表情
emotions: [{
// tab 的标题
title: '默认',
// type -> 'emoji' / 'image'
type: 'image',
// content -> 数组
content: [{
alt: '[坏笑]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/50/pcmoren_huaixiao_org.png'
}, {
alt: '[舔屏]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/40/pcmoren_tian_org.png'
}, {
alt: '[污]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/3c/pcmoren_wu_org.png'
}, {
alt: '[允悲]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/2c/moren_yunbei_org.png'
}, {
alt: '[笑而不语]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/3a/moren_xiaoerbuyu_org.png'
}, {
alt: '[费解]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/3c/moren_feijie_org.png'
}, {
alt: '[憧憬]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/37/moren_chongjing_org.png'
}, {
alt: '[并不简单]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/fc/moren_bbjdnew_org.png'
}, {
alt: '[微笑]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/5c/huanglianwx_org.gif'
}, {
alt: '[酷]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/8a/pcmoren_cool2017_org.png'
}, {
alt: '[嘻嘻]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/0b/tootha_org.gif'
}, {
alt: '[哈哈]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/6a/laugh.gif'
}, {
alt: '[可爱]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/14/tza_org.gif'
}, {
alt: '[可怜]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/af/kl_org.gif'
}, {
alt: '[挖鼻]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/0b/wabi_org.gif'
}, {
alt: '[吃惊]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/f4/cj_org.gif'
}, {
alt: '[害羞]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/6e/shamea_org.gif'
}, {
alt: '[挤眼]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/c3/zy_org.gif'
}, {
alt: '[闭嘴]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/29/bz_org.gif'
}, {
alt: '[鄙视]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/71/bs2_org.gif'
}, {
alt: '[爱你]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/6d/lovea_org.gif'
}, {
alt: '[泪]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/9d/sada_org.gif'
}, {
alt: '[偷笑]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/19/heia_org.gif'
}, {
alt: '[亲亲]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/8f/qq_org.gif'
}, {
alt: '[生病]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/b6/sb_org.gif'
}, {
alt: '[太开心]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/58/mb_org.gif'
}, {
alt: '[白眼]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/d9/landeln_org.gif'
}, {
alt: '[右哼哼]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/98/yhh_org.gif'
}, {
alt: '[左哼哼]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/6d/zhh_org.gif'
}, {
alt: '[嘘]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/a6/x_org.gif'
}, {
alt: '[衰]',
src: 'http://img.t.sinajs.cn/t4/appstyle/expression/ext/normal/af/cry.gif'
}]
}
// , {
// // tab 的标题
// title: '新浪',
// // type -> 'emoji' / 'image'
// type: 'image',
// // content -> 数组
// content: [{
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/7a/shenshou_thumb.gif',
// alt: '[草泥马]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/60/horse2_thumb.gif',
// alt: '[神马]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/bc/fuyun_thumb.gif',
// alt: '[浮云]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/c9/geili_thumb.gif',
// alt: '[给力]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/f2/wg_thumb.gif',
// alt: '[围观]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/70/vw_thumb.gif',
// alt: '[威武]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/6e/panda_thumb.gif',
// alt: '[熊猫]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/81/rabbit_thumb.gif',
// alt: '[兔子]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/bc/otm_thumb.gif',
// alt: '[奥特曼]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/15/j_thumb.gif',
// alt: '[囧]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/89/hufen_thumb.gif',
// alt: '[互粉]'
// }, {
// src: 'http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/c4/liwu_thumb.gif',
// alt: '[礼物]'
// }]
// }, {
// // tab 的标题
// title: 'emoji',
// // type -> 'emoji' / 'image'
// type: 'emoji',
// // content -> 数组
// content: '\ud83d\ude05 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?'.split(/\s/)
// }
],
// 编辑区域的 z-index
zIndex: 10000,
// 是否开启 debug 模式（debug 模式下错误会 throw error 形式抛出）
debug: false,
// 插入链接时候的格式校验
linkCheck: function linkCheck(text, link) {
// text 是插入的文字
// link 是插入的链接
return true; // 返回 true 即表示成功
// return '校验失败' // 返回字符串即表示失败的提示信息
},
// 插入网络图片的校验
linkImgCheck: function linkImgCheck(src) {
// src 即图片的地址
return true; // 返回 true 即表示成功
// return '校验失败' // 返回字符串即表示失败的提示信息
},
// 粘贴过滤样式，默认开启
pasteFilterStyle: true,
// 对粘贴的文字进行自定义处理，返回处理后的结果。编辑器会将处理后的结果粘贴到编辑区域中。
// IE 暂时不支持
pasteTextHandle: function pasteTextHandle(content) {
// content 即粘贴过来的内容（html 或 纯文本），可进行自定义处理然后返回
return content;
},
// onchange 事件
// onchange: function (html) {
// // html 即变化之后的内容
// console.log(html)
// },
// 是否显示添加网络图片的 tab
showLinkImg: true,
// 插入网络图片的回调
linkImgCallback: function linkImgCallback(url) {
// console.log(url) // url 即插入图片的地址
},
// 默认上传图片 max size: 5M
uploadImgMaxSize: 100 * 1024 * 1024,
// 配置一次最多上传几个图片
// uploadImgMaxLength: 5,
// 上传图片，是否显示 base64 格式
uploadImgShowBase64: false,
// 上传图片，server 地址（如果有值，则 base64 格式的配置则失效）
// uploadImgServer: '/upload',
// 自定义配置 filename
uploadFileName: '',
// 上传图片的自定义参数
uploadImgParams: {
// token: 'abcdef12345'
},
// 上传图片的自定义header
uploadImgHeaders: {
// 'Accept': 'text/x-json'
},
// 配置 XHR withCredentials
withCredentials: false,
// 自定义上传图片超时时间 ms
uploadImgTimeout: 5*60*1000,
// 上传图片 hook
uploadImgHooks: {
// customInsert: function (insertLinkImg, result, editor) {
// console.log('customInsert')
// // 图片上传并返回结果，自定义插入图片的事件，而不是编辑器自动插入图片
// const data = result.data1 || []
// data.forEach(link => {
// insertLinkImg(link)
// })
// },
before: function before(xhr, editor, files) {
// 图片上传之前触发
// 如果返回的结果是 {prevent: true, msg: 'xxxx'} 则表示用户放弃上传
// return {
// prevent: true,
// msg: '放弃上传'
// }
},
success: function success(xhr, editor, result) {
// 图片上传并返回结果，图片插入成功之后触发
},
fail: function fail(xhr, editor, result) {
// 图片上传并返回结果，但图片插入错误时触发
},
error: function error(xhr, editor) {
// 图片上传出错时触发
},
timeout: function timeout(xhr, editor) {
// 图片上传超时时触发
}
},
// 是否上传七牛云，默认为 false
qiniu: false
};
/*
工具
*/
// 和 UA 相关的属性
var UA = {
_ua: navigator.userAgent,
// 是否 webkit
isWebkit: function isWebkit() {
var reg = /webkit/i;
return reg.test(this._ua);
},
// 是否 IE
isIE: function isIE() {
return 'ActiveXObject' in window;
}
};
// 遍历对象
function objForEach(obj, fn) {
var key = void 0,
result = void 0;
for (key in obj) {
if (obj.hasOwnProperty(key)) {
result = fn.call(obj, key, obj[key]);
if (result === false) {
break;
}
}
}
}
// 遍历类数组
function arrForEach(fakeArr, fn) {
var i = void 0,
item = void 0,
result = void 0;
var length = fakeArr.length || 0;
for (i = 0; i < length; i++) {
item = fakeArr[i];
result = fn.call(fakeArr, item, i);
if (result === false) {
break;
}
}
}
// 获取随机数
function getRandom(prefix) {
return prefix + Math.random().toString().slice(2);
}
// 替换 html 特殊字符
function replaceHtmlSymbol(html) {
if (html == null) {
return '';
}
return html.replace(/</gm, '<').replace(/>/gm, '>').replace(/"/gm, '"');
}
// 返回百分比的格式
/*
bold-menu
*/
// 构造函数
function Bold(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-bold"><i/>\n </div>');
this.type = 'click';
// 当前是否 active 状态
this._active = false;
}
// 原型
Bold.prototype = {
constructor: Bold,
// 点击事件
onClick: function onClick(e) {
// 点击菜单将触发这里
var editor = this.editor;
var isSeleEmpty = editor.selection.isSelectionEmpty();
if (isSeleEmpty) {
// 选区是空的，插入并选中一个“空白”
editor.selection.createEmptyRange();
}
// 执行 bold 命令
editor.cmd.do('bold');
if (isSeleEmpty) {
// 需要将选取折叠起来
editor.selection.collapseRange();
editor.selection.restoreSelection();
}
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
if (editor.cmd.queryCommandState('bold')) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
替换多语言
*/
var replaceLang = function (editor, str) {
var langArgs = editor.config.langArgs || [];
var result = str;
langArgs.forEach(function (item) {
var reg = item.reg;
var val = item.val;
if (reg.test(result)) {
result = result.replace(reg, function () {
return val;
});
}
});
return result;
};
/*
droplist
*/
var _emptyFn = function _emptyFn() {};
// 构造函数
function DropList(menu, opt) {
var _this = this;
// droplist 所依附的菜单
var editor = menu.editor;
this.menu = menu;
this.opt = opt;
// 容器
var $container = $('<div class="w-e-droplist"></div>');
// 标题
var $title = opt.$title;
var titleHtml = void 0;
if ($title) {
// 替换多语言
titleHtml = $title.html();
titleHtml = replaceLang(editor, titleHtml);
$title.html(titleHtml);
$title.addClass('w-e-dp-title');
$container.append($title);
}
var list = opt.list || [];
var type = opt.type || 'list'; // 'list' 列表形式（如“标题”菜单） / 'inline-block' 块状形式（如“颜色”菜单）
var onClick = opt.onClick || _emptyFn;
// 加入 DOM 并绑定事件
var $list = $('<ul class="' + (type === 'list' ? 'w-e-list' : 'w-e-block') + '"></ul>');
$container.append($list);
list.forEach(function (item) {
var $elem = item.$elem;
// 替换多语言
var elemHtml = $elem.html();
elemHtml = replaceLang(editor, elemHtml);
$elem.html(elemHtml);
var value = item.value;
var $li = $('<li class="w-e-item"></li>');
if ($elem) {
$li.append($elem);
$list.append($li);
$elem.on('click', function (e) {
onClick(value);
// 隐藏
_this.hideTimeoutId = setTimeout(function () {
_this.hide();
}, 0);
});
}
});
// 绑定隐藏事件
$container.on('mouseleave', function (e) {
_this.hideTimeoutId = setTimeout(function () {
_this.hide();
}, 0);
});
// 记录属性
this.$container = $container;
// 基本属性
this._rendered = false;
this._show = false;
}
// 原型
DropList.prototype = {
constructor: DropList,
// 显示（插入DOM）
show: function show() {
if (this.hideTimeoutId) {
// 清除之前的定时隐藏
clearTimeout(this.hideTimeoutId);
}
var menu = this.menu;
var $menuELem = menu.$elem;
var $container = this.$container;
if (this._show) {
return;
}
if (this._rendered) {
// 显示
$container.show();
} else {
// 加入 DOM 之前先定位位置
var menuHeight = $menuELem.getSizeData().height || 0;
var width = this.opt.width || 100; // 默认为 100
$container.css('margin-top', menuHeight + 'px').css('width', width + 'px');
// 加入到 DOM
$menuELem.append($container);
this._rendered = true;
}
// 修改属性
this._show = true;
},
// 隐藏（移除DOM）
hide: function hide() {
if (this.showTimeoutId) {
// 清除之前的定时显示
clearTimeout(this.showTimeoutId);
}
var $container = this.$container;
if (!this._show) {
return;
}
// 隐藏并需改属性
$container.hide();
this._show = false;
}
};
/*
menu - header
*/
// 构造函数
function Head(editor) {
var _this = this;
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-header"><i/></div>');
this.type = 'droplist';
// 当前是否 active 状态
this._active = false;
// 初始化 droplist
this.droplist = new DropList(this, {
width: 100,
$title: $('<p>设置标题</p>'),
type: 'list', // droplist 以列表形式展示
list: [{ $elem: $('<h1>H1</h1>'), value: '<h1>' }, { $elem: $('<h2>H2</h2>'), value: '<h2>' }, { $elem: $('<h3>H3</h3>'), value: '<h3>' }, { $elem: $('<h4>H4</h4>'), value: '<h4>' }, { $elem: $('<h5>H5</h5>'), value: '<h5>' }, { $elem: $('<p>正文</p>'), value: '<p>' }],
onClick: function onClick(value) {
// 注意 this 是指向当前的 Head 对象
_this._command(value);
}
});
}
// 原型
Head.prototype = {
constructor: Head,
// 执行命令
_command: function _command(value) {
var editor = this.editor;
var $selectionElem = editor.selection.getSelectionContainerElem();
if (editor.$textElem.equal($selectionElem)) {
// 不能选中多行来设置标题，否则会出现问题
// 例如选中的是 <p>xxx</p><p>yyy</p> 来设置标题，设置之后会成为 <h1>xxx<br>yyy</h1> 不符合预期
return;
}
editor.cmd.do('formatBlock', value);
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
var reg = /^h/i;
var cmdValue = editor.cmd.queryCommandValue('formatBlock');
if (reg.test(cmdValue)) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
panel
*/
var emptyFn = function emptyFn() {};
// 记录已经显示 panel 的菜单
var _isCreatedPanelMenus = [];
// 构造函数
function Panel(menu, opt) {
this.menu = menu;
this.opt = opt;
}
// 原型
Panel.prototype = {
constructor: Panel,
// 显示（插入DOM）
show: function show() {
var _this = this;
var menu = this.menu;
if (_isCreatedPanelMenus.indexOf(menu) >= 0) {
// 该菜单已经创建了 panel 不能再创建
return;
}
var editor = menu.editor;
var $body = $('body');
var $textContainerElem = editor.$textContainerElem;
var opt = this.opt;
// panel 的容器
var $container = $('<div class="w-e-panel-container"></div>');
var width = opt.width || 300; // 默认 300px
$container.css('width', width + 'px').css('margin-left', (0 - width) / 2 + 'px');
// 添加关闭按钮
var $closeBtn = $('<i class="w-e-icon-close w-e-panel-close"></i>');
$container.append($closeBtn);
$closeBtn.on('click', function () {
_this.hide();
});
// 准备 tabs 容器
var $tabTitleContainer = $('<ul class="w-e-panel-tab-title"></ul>');
var $tabContentContainer = $('<div class="w-e-panel-tab-content"></div>');
$container.append($tabTitleContainer).append($tabContentContainer);
// 设置高度
var height = opt.height;
if (height) {
$tabContentContainer.css('height', height + 'px').css('overflow-y', 'auto');
}
// tabs
var tabs = opt.tabs || [];
var tabTitleArr = [];
var tabContentArr = [];
tabs.forEach(function (tab, tabIndex) {
if (!tab) {
return;
}
var title = tab.title || '';
var tpl = tab.tpl || '';
// 替换多语言
title = replaceLang(editor, title);
tpl = replaceLang(editor, tpl);
// 添加到 DOM
var $title = $('<li class="w-e-item">' + title + '</li>');
$tabTitleContainer.append($title);
var $content = $(tpl);
$tabContentContainer.append($content);
// 记录到内存
$title._index = tabIndex;
tabTitleArr.push($title);
tabContentArr.push($content);
// 设置 active 项
if (tabIndex === 0) {
$title._active = true;
$title.addClass('w-e-active');
} else {
$content.hide();
}
// 绑定 tab 的事件
$title.on('click', function (e) {
if ($title._active) {
return;
}
// 隐藏所有的 tab
tabTitleArr.forEach(function ($title) {
$title._active = false;
$title.removeClass('w-e-active');
});
tabContentArr.forEach(function ($content) {
$content.hide();
});
// 显示当前的 tab
$title._active = true;
$title.addClass('w-e-active');
$content.show();
});
});
// 绑定关闭事件
$container.on('click', function (e) {
// 点击时阻止冒泡
e.stopPropagation();
});
$body.on('click', function (e) {
_this.hide();
});
// 添加到 DOM
$textContainerElem.append($container);
// 绑定 opt 的事件，只有添加到 DOM 之后才能绑定成功
tabs.forEach(function (tab, index) {
if (!tab) {
return;
}
var events = tab.events || [];
events.forEach(function (event) {
var selector = event.selector;
var type = event.type;
var fn = event.fn || emptyFn;
var $content = tabContentArr[index];
$content.find(selector).on(type, function (e) {
e.stopPropagation();
var needToHide = fn(e);
// 执行完事件之后，是否要关闭 panel
if (needToHide) {
_this.hide();
}
});
});
});
// focus 第一个 elem
var $inputs = $container.find('input[type=text],textarea');
if ($inputs.length) {
$inputs.get(0).focus();
}
// 添加到属性
this.$container = $container;
// 隐藏其他 panel
this._hideOtherPanels();
// 记录该 menu 已经创建了 panel
_isCreatedPanelMenus.push(menu);
},
// 隐藏（移除DOM）
hide: function hide() {
var menu = this.menu;
var $container = this.$container;
if ($container) {
$container.remove();
}
// 将该 menu 记录中移除
_isCreatedPanelMenus = _isCreatedPanelMenus.filter(function (item) {
if (item === menu) {
return false;
} else {
return true;
}
});
},
// 一个 panel 展示时，隐藏其他 panel
_hideOtherPanels: function _hideOtherPanels() {
if (!_isCreatedPanelMenus.length) {
return;
}
_isCreatedPanelMenus.forEach(function (menu) {
var panel = menu.panel || {};
if (panel.hide) {
panel.hide();
}
});
}
};
/*
menu - link
*/
// 构造函数
function Link(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-link"><i/></div>');
this.type = 'panel';
// 当前是否 active 状态
this._active = false;
}
// 原型
Link.prototype = {
constructor: Link,
// 点击事件
onClick: function onClick(e) {
var editor = this.editor;
var $linkelem = void 0;
if (this._active) {
// 当前选区在链接里面
$linkelem = editor.selection.getSelectionContainerElem();
if (!$linkelem) {
return;
}
// 将该元素都包含在选取之内，以便后面整体替换
editor.selection.createRangeByElem($linkelem);
editor.selection.restoreSelection();
// 显示 panel
this._createPanel($linkelem.text(), $linkelem.attr('href'));
} else {
// 当前选区不在链接里面
if (editor.selection.isSelectionEmpty()) {
// 选区是空的，未选中内容
this._createPanel('', '');
} else {
// 选中内容了
this._createPanel(editor.selection.getSelectionText(), '');
}
}
},
// 创建 panel
_createPanel: function _createPanel(text, link) {
var _this = this;
// panel 中需要用到的id
var inputLinkId = getRandom('input-link');
var inputTextId = getRandom('input-text');
var btnOkId = getRandom('btn-ok');
var btnDelId = getRandom('btn-del');
// 是否显示“删除链接”
var delBtnDisplay = this._active ? 'inline-block' : 'none';
// 初始化并显示 panel
var panel = new Panel(this, {
width: 300,
// panel 中可包含多个 tab
tabs: [{
// tab 的标题
title: '链接',
// 模板
tpl: '<div>\n <input id="' + inputTextId + '" type="text" class="block" value="' + text + '" placeholder="\u94FE\u63A5\u6587\u5B57"/></td>\n <input id="' + inputLinkId + '" type="text" class="block" value="' + link + '" placeholder="http://..."/></td>\n <div class="w-e-button-container">\n <button id="' + btnOkId + '" class="right">\u63D2\u5165</button>\n <button id="' + btnDelId + '" class="gray right" style="display:' + delBtnDisplay + '">\u5220\u9664\u94FE\u63A5</button>\n </div>\n </div>',
// 事件绑定
events: [
// 插入链接
{
selector: '#' + btnOkId,
type: 'click',
fn: function fn() {
// 执行插入链接
var $link = $('#' + inputLinkId);
var $text = $('#' + inputTextId);
var link = $link.val();
var text = $text.val();
_this._insertLink(text, link);
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
},
// 删除链接
{
selector: '#' + btnDelId,
type: 'click',
fn: function fn() {
// 执行删除链接
_this._delLink();
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}]
} // tab end
] // tabs end
});
// 显示 panel
panel.show();
// 记录属性
this.panel = panel;
},
// 删除当前链接
_delLink: function _delLink() {
if (!this._active) {
return;
}
var editor = this.editor;
var $selectionELem = editor.selection.getSelectionContainerElem();
if (!$selectionELem) {
return;
}
var selectionText = editor.selection.getSelectionText();
editor.cmd.do('insertHTML', '<span>' + selectionText + '</span>');
},
// 插入链接
_insertLink: function _insertLink(text, link) {
if (!text || !link) {
return;
}
var editor = this.editor;
var config = editor.config;
var linkCheck = config.linkCheck;
var checkResult = true; // 默认为 true
if (linkCheck && typeof linkCheck === 'function') {
checkResult = linkCheck(text, link);
}
if (checkResult === true) {
editor.cmd.do('insertHTML', '<a href="' + link + '" target="_blank">' + text + '</a>');
} else {
alert(checkResult);
}
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
var $selectionELem = editor.selection.getSelectionContainerElem();
if (!$selectionELem) {
return;
}
if ($selectionELem.getNodeName() === 'A') {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
italic-menu
*/
// 构造函数
function Italic(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-italic"><i/>\n </div>');
this.type = 'click';
// 当前是否 active 状态
this._active = false;
}
// 原型
Italic.prototype = {
constructor: Italic,
// 点击事件
onClick: function onClick(e) {
// 点击菜单将触发这里
var editor = this.editor;
var isSeleEmpty = editor.selection.isSelectionEmpty();
if (isSeleEmpty) {
// 选区是空的，插入并选中一个“空白”
editor.selection.createEmptyRange();
}
// 执行 italic 命令
editor.cmd.do('italic');
if (isSeleEmpty) {
// 需要将选取折叠起来
editor.selection.collapseRange();
editor.selection.restoreSelection();
}
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
if (editor.cmd.queryCommandState('italic')) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
redo-menu
*/
// 构造函数
function Redo(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-redo"><i/>\n </div>');
this.type = 'click';
// 当前是否 active 状态
this._active = false;
}
// 原型
Redo.prototype = {
constructor: Redo,
// 点击事件
onClick: function onClick(e) {
// 点击菜单将触发这里
var editor = this.editor;
// 执行 redo 命令
editor.cmd.do('redo');
}
};
/*
strikeThrough-menu
*/
// 构造函数
function StrikeThrough(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-strikethrough"><i/>\n </div>');
this.type = 'click';
// 当前是否 active 状态
this._active = false;
}
// 原型
StrikeThrough.prototype = {
constructor: StrikeThrough,
// 点击事件
onClick: function onClick(e) {
// 点击菜单将触发这里
var editor = this.editor;
var isSeleEmpty = editor.selection.isSelectionEmpty();
if (isSeleEmpty) {
// 选区是空的，插入并选中一个“空白”
editor.selection.createEmptyRange();
}
// 执行 strikeThrough 命令
editor.cmd.do('strikeThrough');
if (isSeleEmpty) {
// 需要将选取折叠起来
editor.selection.collapseRange();
editor.selection.restoreSelection();
}
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
if (editor.cmd.queryCommandState('strikeThrough')) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
underline-menu
*/
// 构造函数
function Underline(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-underline"><i/>\n </div>');
this.type = 'click';
// 当前是否 active 状态
this._active = false;
}
// 原型
Underline.prototype = {
constructor: Underline,
// 点击事件
onClick: function onClick(e) {
// 点击菜单将触发这里
var editor = this.editor;
var isSeleEmpty = editor.selection.isSelectionEmpty();
if (isSeleEmpty) {
// 选区是空的，插入并选中一个“空白”
editor.selection.createEmptyRange();
}
// 执行 underline 命令
editor.cmd.do('underline');
if (isSeleEmpty) {
// 需要将选取折叠起来
editor.selection.collapseRange();
editor.selection.restoreSelection();
}
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
if (editor.cmd.queryCommandState('underline')) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
undo-menu
*/
// 构造函数
function Undo(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-undo"><i/>\n </div>');
this.type = 'click';
// 当前是否 active 状态
this._active = false;
}
// 原型
Undo.prototype = {
constructor: Undo,
// 点击事件
onClick: function onClick(e) {
// 点击菜单将触发这里
var editor = this.editor;
// 执行 undo 命令
editor.cmd.do('undo');
}
};
/*
menu - list
*/
// 构造函数
function List(editor) {
var _this = this;
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-list2"><i/></div>');
this.type = 'droplist';
// 当前是否 active 状态
this._active = false;
// 初始化 droplist
this.droplist = new DropList(this, {
width: 120,
$title: $('<p>设置列表</p>'),
type: 'list', // droplist 以列表形式展示
list: [{ $elem: $('<span><i class="w-e-icon-list-numbered"></i> 有序列表</span>'), value: 'insertOrderedList' }, { $elem: $('<span><i class="w-e-icon-list2"></i> 无序列表</span>'), value: 'insertUnorderedList' }],
onClick: function onClick(value) {
// 注意 this 是指向当前的 List 对象
_this._command(value);
}
});
}
// 原型
List.prototype = {
constructor: List,
// 执行命令
_command: function _command(value) {
var editor = this.editor;
var $textElem = editor.$textElem;
editor.selection.restoreSelection();
if (editor.cmd.queryCommandState(value)) {
return;
}
editor.cmd.do(value);
// 验证列表是否被包裹在 <p> 之内
var $selectionElem = editor.selection.getSelectionContainerElem();
if ($selectionElem.getNodeName() === 'LI') {
$selectionElem = $selectionElem.parent();
}
if (/^ol|ul$/i.test($selectionElem.getNodeName()) === false) {
return;
}
if ($selectionElem.equal($textElem)) {
// 证明是顶级标签，没有被 <p> 包裹
return;
}
var $parent = $selectionElem.parent();
if ($parent.equal($textElem)) {
// $parent 是顶级标签，不能删除
return;
}
$selectionElem.insertAfter($parent);
$parent.remove();
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
if (editor.cmd.queryCommandState('insertUnOrderedList') || editor.cmd.queryCommandState('insertOrderedList')) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
menu - justify
*/
// 构造函数
function Justify(editor) {
var _this = this;
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-paragraph-left"><i/></div>');
this.type = 'droplist';
// 当前是否 active 状态
this._active = false;
// 初始化 droplist
this.droplist = new DropList(this, {
width: 100,
$title: $('<p>对齐方式</p>'),
type: 'list', // droplist 以列表形式展示
list: [{ $elem: $('<span><i class="w-e-icon-paragraph-left"></i> 靠左</span>'), value: 'justifyLeft' }, { $elem: $('<span><i class="w-e-icon-paragraph-center"></i> 居中</span>'), value: 'justifyCenter' }, { $elem: $('<span><i class="w-e-icon-paragraph-right"></i> 靠右</span>'), value: 'justifyRight' }],
onClick: function onClick(value) {
// 注意 this 是指向当前的 List 对象
_this._command(value);
}
});
}
// 原型
Justify.prototype = {
constructor: Justify,
// 执行命令
_command: function _command(value) {
var editor = this.editor;
editor.cmd.do(value);
}
};
/*
menu - Forecolor
*/
// 构造函数
function ForeColor(editor) {
var _this = this;
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-pencil2"><i/></div>');
this.type = 'droplist';
// 获取配置的颜色
var config = editor.config;
var colors = config.colors || [];
// 当前是否 active 状态
this._active = false;
// 初始化 droplist
this.droplist = new DropList(this, {
width: 120,
$title: $('<p>文字颜色</p>'),
type: 'inline-block', // droplist 内容以 block 形式展示
list: colors.map(function (color) {
return { $elem: $('<i style="color:' + color + ';" class="w-e-icon-pencil2"></i>'), value: color };
}),
onClick: function onClick(value) {
// 注意 this 是指向当前的 ForeColor 对象
_this._command(value);
}
});
}
// 原型
ForeColor.prototype = {
constructor: ForeColor,
// 执行命令
_command: function _command(value) {
var editor = this.editor;
editor.cmd.do('foreColor', value);
}
};
/*
menu - BackColor
*/
// 构造函数
function BackColor(editor) {
var _this = this;
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-paint-brush"><i/></div>');
this.type = 'droplist';
// 获取配置的颜色
var config = editor.config;
var colors = config.colors || [];
// 当前是否 active 状态
this._active = false;
// 初始化 droplist
this.droplist = new DropList(this, {
width: 120,
$title: $('<p>背景色</p>'),
type: 'inline-block', // droplist 内容以 block 形式展示
list: colors.map(function (color) {
return { $elem: $('<i style="color:' + color + ';" class="w-e-icon-paint-brush"></i>'), value: color };
}),
onClick: function onClick(value) {
// 注意 this 是指向当前的 BackColor 对象
_this._command(value);
}
});
}
// 原型
BackColor.prototype = {
constructor: BackColor,
// 执行命令
_command: function _command(value) {
var editor = this.editor;
editor.cmd.do('backColor', value);
}
};
/*
menu - quote
*/
// 构造函数
function Quote(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-quotes-left"><i/>\n </div>');
this.type = 'click';
// 当前是否 active 状态
this._active = false;
}
// 原型
Quote.prototype = {
constructor: Quote,
onClick: function onClick(e) {
var editor = this.editor;
var $selectionElem = editor.selection.getSelectionContainerElem();
var nodeName = $selectionElem.getNodeName();
if (!UA.isIE()) {
if (nodeName === 'BLOCKQUOTE') {
// 撤销 quote
editor.cmd.do('formatBlock', '<P>');
} else {
// 转换为 quote
editor.cmd.do('formatBlock', '<BLOCKQUOTE>');
}
return;
}
// IE 中不支持 formatBlock <BLOCKQUOTE> ，要用其他方式兼容
var content = void 0,
$targetELem = void 0;
if (nodeName === 'P') {
// 将 P 转换为 quote
content = $selectionElem.text();
$targetELem = $('<blockquote>' + content + '</blockquote>');
$targetELem.insertAfter($selectionElem);
$selectionElem.remove();
return;
}
if (nodeName === 'BLOCKQUOTE') {
// 撤销 quote
content = $selectionElem.text();
$targetELem = $('<p>' + content + '</p>');
$targetELem.insertAfter($selectionElem);
$selectionElem.remove();
}
},
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
var reg = /^BLOCKQUOTE$/i;
var cmdValue = editor.cmd.queryCommandValue('formatBlock');
if (reg.test(cmdValue)) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
menu - code
*/
// 构造函数
function Code(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-terminal"><i/>\n </div>');
this.type = 'panel';
// 当前是否 active 状态
this._active = false;
}
// 原型
Code.prototype = {
constructor: Code,
onClick: function onClick(e) {
var editor = this.editor;
var $startElem = editor.selection.getSelectionStartElem();
var $endElem = editor.selection.getSelectionEndElem();
var isSeleEmpty = editor.selection.isSelectionEmpty();
var selectionText = editor.selection.getSelectionText();
var $code = void 0;
if (!$startElem.equal($endElem)) {
// 跨元素选择，不做处理
editor.selection.restoreSelection();
return;
}
if (!isSeleEmpty) {
// 选取不是空，用 <code> 包裹即可
$code = $('<code>' + selectionText + '</code>');
editor.cmd.do('insertElem', $code);
editor.selection.createRangeByElem($code, false);
editor.selection.restoreSelection();
return;
}
// 选取是空，且没有夸元素选择，则插入 <pre><code></code></prev>
if (this._active) {
// 选中状态，将编辑内容
this._createPanel($startElem.html());
} else {
// 未选中状态，将创建内容
this._createPanel();
}
},
_createPanel: function _createPanel(value) {
var _this = this;
// value - 要编辑的内容
value = value || '';
var type = !value ? 'new' : 'edit';
var textId = getRandom('texxt');
var btnId = getRandom('btn');
var panel = new Panel(this, {
width: 500,
// 一个 Panel 包含多个 tab
tabs: [{
// 标题
title: '插入代码',
// 模板
tpl: '<div>\n <textarea id="' + textId + '" style="height:145px;;">' + value + '</textarea>\n <div class="w-e-button-container">\n <button id="' + btnId + '" class="right">\u63D2\u5165</button>\n </div>\n <div>',
// 事件绑定
events: [
// 插入代码
{
selector: '#' + btnId,
type: 'click',
fn: function fn() {
var $text = $('#' + textId);
var text = $text.val() || $text.html();
text = replaceHtmlSymbol(text);
if (type === 'new') {
// 新插入
_this._insertCode(text);
} else {
// 编辑更新
_this._updateCode(text);
}
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}]
} // first tab end
] // tabs end
}); // new Panel end
// 显示 panel
panel.show();
// 记录属性
this.panel = panel;
},
// 插入代码
_insertCode: function _insertCode(value) {
var editor = this.editor;
editor.cmd.do('insertHTML', '<pre><code>' + value + '</code></pre><p><br></p>');
},
// 更新代码
_updateCode: function _updateCode(value) {
var editor = this.editor;
var $selectionELem = editor.selection.getSelectionContainerElem();
if (!$selectionELem) {
return;
}
$selectionELem.html(value);
editor.selection.restoreSelection();
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
var $selectionELem = editor.selection.getSelectionContainerElem();
if (!$selectionELem) {
return;
}
var $parentElem = $selectionELem.parent();
if ($selectionELem.getNodeName() === 'CODE' && $parentElem.getNodeName() === 'PRE') {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
menu - emoticon
*/
// 构造函数
function Emoticon(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu">\n <i class="w-e-icon-happy"><i/>\n </div>');
this.type = 'panel';
// 当前是否 active 状态
this._active = false;
}
// 原型
Emoticon.prototype = {
constructor: Emoticon,
onClick: function onClick() {
this._createPanel();
},
_createPanel: function _createPanel() {
var _this = this;
var editor = this.editor;
var config = editor.config;
// 获取表情配置
var emotions = config.emotions || [];
// 创建表情 dropPanel 的配置
var tabConfig = [];
emotions.forEach(function (emotData) {
var emotType = emotData.type;
var content = emotData.content || [];
// 这一组表情最终拼接出来的 html
var faceHtml = '';
// emoji 表情
if (emotType === 'emoji') {
content.forEach(function (item) {
if (item) {
faceHtml += '<span class="w-e-item">' + item + '</span>';
}
});
}
// 图片表情
if (emotType === 'image') {
content.forEach(function (item) {
var src = item.src;
var alt = item.alt;
if (src) {
// 加一个 data-w-e 属性，点击图片的时候不再提示编辑图片
faceHtml += '<span class="w-e-item"><img src="' + src + '" alt="' + alt + '" data-w-e="1"/></span>';
}
});
}
tabConfig.push({
title: emotData.title,
tpl: '<div class="w-e-emoticon-container">' + faceHtml + '</div>',
events: [{
selector: 'span.w-e-item',
type: 'click',
fn: function fn(e) {
var target = e.target;
var $target = $(target);
var nodeName = $target.getNodeName();
var insertHtml = void 0;
if (nodeName === 'IMG') {
// 插入图片
insertHtml = $target.parent().html();
} else {
// 插入 emoji
insertHtml = '<span>' + $target.html() + '</span>';
}
_this._insert(insertHtml);
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}]
});
});
var panel = new Panel(this, {
width: 300,
height: 200,
// 一个 Panel 包含多个 tab
tabs: tabConfig
});
// 显示 panel
panel.show();
// 记录属性
this.panel = panel;
},
// 插入表情
_insert: function _insert(emotHtml) {
var editor = this.editor;
editor.cmd.do('insertHTML', emotHtml);
}
};
/*
menu - table
*/
// 构造函数
function Table(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-table2"><i/></div>');
this.type = 'panel';
// 当前是否 active 状态
this._active = false;
}
// 原型
Table.prototype = {
constructor: Table,
onClick: function onClick() {
if (this._active) {
// 编辑现有表格
this._createEditPanel();
} else {
// 插入新表格
this._createInsertPanel();
}
},
// 创建插入新表格的 panel
_createInsertPanel: function _createInsertPanel() {
var _this = this;
// 用到的 id
var btnInsertId = getRandom('btn');
var textRowNum = getRandom('row');
var textColNum = getRandom('col');
var panel = new Panel(this, {
width: 250,
// panel 包含多个 tab
tabs: [{
// 标题
title: '插入表格',
// 模板
tpl: '<div>\n <p style="text-align:left; padding:5px 0;">\n \u521B\u5EFA\n <input id="' + textRowNum + '" type="text" value="5" style="width:40px;text-align:center;"/>\n \u884C\n <input id="' + textColNum + '" type="text" value="5" style="width:40px;text-align:center;"/>\n \u5217\u7684\u8868\u683C\n </p>\n <div class="w-e-button-container">\n <button id="' + btnInsertId + '" class="right">\u63D2\u5165</button>\n </div>\n </div>',
// 事件绑定
events: [{
// 点击按钮，插入表格
selector: '#' + btnInsertId,
type: 'click',
fn: function fn() {
var rowNum = parseInt($('#' + textRowNum).val());
var colNum = parseInt($('#' + textColNum).val());
if (rowNum && colNum && rowNum > 0 && colNum > 0) {
// form 数据有效
_this._insert(rowNum, colNum);
}
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}]
} // first tab end
] // tabs end
}); // panel end
// 展示 panel
panel.show();
// 记录属性
this.panel = panel;
},
// 插入表格
_insert: function _insert(rowNum, colNum) {
// 拼接 table 模板
var r = void 0,
c = void 0;
var html = '<table border="0" width="100%" cellpadding="0" cellspacing="0">';
for (r = 0; r < rowNum; r++) {
html += '<tr>';
if (r === 0) {
for (c = 0; c < colNum; c++) {
html += '<th> </th>';
}
} else {
for (c = 0; c < colNum; c++) {
html += '<td> </td>';
}
}
html += '</tr>';
}
html += '</table><p><br></p>';
// 执行命令
var editor = this.editor;
editor.cmd.do('insertHTML', html);
// 防止 firefox 下出现 resize 的控制点
editor.cmd.do('enableObjectResizing', false);
editor.cmd.do('enableInlineTableEditing', false);
},
// 创建编辑表格的 panel
_createEditPanel: function _createEditPanel() {
var _this2 = this;
// 可用的 id
var addRowBtnId = getRandom('add-row');
var addColBtnId = getRandom('add-col');
var delRowBtnId = getRandom('del-row');
var delColBtnId = getRandom('del-col');
var delTableBtnId = getRandom('del-table');
// 创建 panel 对象
var panel = new Panel(this, {
width: 320,
// panel 包含多个 tab
tabs: [{
// 标题
title: '编辑表格',
// 模板
tpl: '<div>\n <div class="w-e-button-container" style="border-bottom:1px solid #f1f1f1;padding-bottom:5px;margin-bottom:5px;">\n <button id="' + addRowBtnId + '" class="left">\u589E\u52A0\u884C</button>\n <button id="' + delRowBtnId + '" class="red left">\u5220\u9664\u884C</button>\n <button id="' + addColBtnId + '" class="left">\u589E\u52A0\u5217</button>\n <button id="' + delColBtnId + '" class="red left">\u5220\u9664\u5217</button>\n </div>\n <div class="w-e-button-container">\n <button id="' + delTableBtnId + '" class="gray left">\u5220\u9664\u8868\u683C</button>\n </dv>\n </div>',
// 事件绑定
events: [{
// 增加行
selector: '#' + addRowBtnId,
type: 'click',
fn: function fn() {
_this2._addRow();
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}, {
// 增加列
selector: '#' + addColBtnId,
type: 'click',
fn: function fn() {
_this2._addCol();
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}, {
// 删除行
selector: '#' + delRowBtnId,
type: 'click',
fn: function fn() {
_this2._delRow();
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}, {
// 删除列
selector: '#' + delColBtnId,
type: 'click',
fn: function fn() {
_this2._delCol();
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}, {
// 删除表格
selector: '#' + delTableBtnId,
type: 'click',
fn: function fn() {
_this2._delTable();
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}]
}]
});
// 显示 panel
panel.show();
},
// 获取选中的单元格的位置信息
_getLocationData: function _getLocationData() {
var result = {};
var editor = this.editor;
var $selectionELem = editor.selection.getSelectionContainerElem();
if (!$selectionELem) {
return;
}
var nodeName = $selectionELem.getNodeName();
if (nodeName !== 'TD' && nodeName !== 'TH') {
return;
}
// 获取 td index
var $tr = $selectionELem.parent();
var $tds = $tr.children();
var tdLength = $tds.length;
$tds.forEach(function (td, index) {
if (td === $selectionELem[0]) {
// 记录并跳出循环
result.td = {
index: index,
elem: td,
length: tdLength
};
return false;
}
});
// 获取 tr index
var $tbody = $tr.parent();
var $trs = $tbody.children();
var trLength = $trs.length;
$trs.forEach(function (tr, index) {
if (tr === $tr[0]) {
// 记录并跳出循环
result.tr = {
index: index,
elem: tr,
length: trLength
};
return false;
}
});
// 返回结果
return result;
},
// 增加行
_addRow: function _addRow() {
// 获取当前单元格的位置信息
var locationData = this._getLocationData();
if (!locationData) {
return;
}
var trData = locationData.tr;
var $currentTr = $(trData.elem);
var tdData = locationData.td;
var tdLength = tdData.length;
// 拼接即将插入的字符串
var newTr = document.createElement('tr');
var tpl = '',
i = void 0;
for (i = 0; i < tdLength; i++) {
tpl += '<td> </td>';
}
newTr.innerHTML = tpl;
// 插入
$(newTr).insertAfter($currentTr);
},
// 增加列
_addCol: function _addCol() {
// 获取当前单元格的位置信息
var locationData = this._getLocationData();
if (!locationData) {
return;
}
var trData = locationData.tr;
var tdData = locationData.td;
var tdIndex = tdData.index;
var $currentTr = $(trData.elem);
var $trParent = $currentTr.parent();
var $trs = $trParent.children();
// 遍历所有行
$trs.forEach(function (tr) {
var $tr = $(tr);
var $tds = $tr.children();
var $currentTd = $tds.get(tdIndex);
var name = $currentTd.getNodeName().toLowerCase();
// new 一个 td，并插入
var newTd = document.createElement(name);
$(newTd).insertAfter($currentTd);
});
},
// 删除行
_delRow: function _delRow() {
// 获取当前单元格的位置信息
var locationData = this._getLocationData();
if (!locationData) {
return;
}
var trData = locationData.tr;
var $currentTr = $(trData.elem);
$currentTr.remove();
},
// 删除列
_delCol: function _delCol() {
// 获取当前单元格的位置信息
var locationData = this._getLocationData();
if (!locationData) {
return;
}
var trData = locationData.tr;
var tdData = locationData.td;
var tdIndex = tdData.index;
var $currentTr = $(trData.elem);
var $trParent = $currentTr.parent();
var $trs = $trParent.children();
// 遍历所有行
$trs.forEach(function (tr) {
var $tr = $(tr);
var $tds = $tr.children();
var $currentTd = $tds.get(tdIndex);
// 删除
$currentTd.remove();
});
},
// 删除表格
_delTable: function _delTable() {
var editor = this.editor;
var $selectionELem = editor.selection.getSelectionContainerElem();
if (!$selectionELem) {
return;
}
var $table = $selectionELem.parentUntil('table');
if (!$table) {
return;
}
$table.remove();
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
var $selectionELem = editor.selection.getSelectionContainerElem();
if (!$selectionELem) {
return;
}
var nodeName = $selectionELem.getNodeName();
if (nodeName === 'TD' || nodeName === 'TH') {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
menu - video
*/
// 构造函数
function Video(editor) {
this.editor = editor;
this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-play"><i/></div>');
this.type = 'panel';
// 当前是否 active 状态
this._active = false;
}
// 原型
Video.prototype = {
constructor: Video,
onClick: function onClick() {
this._createInsertPanel();
},
_createInsertPanel: function _createInsertPanel() {
var editor = this.editor;
var uploadVideo = editor.uploadVideo;
var config = editor.config;
// id
var upTriggerId = getRandom('up-trigger');
var upFileId = getRandom('up-file');
// tabs 的配置
var tabsConfig = [{
title: '上传 video',
tpl: '<div class="w-e-up-img-container">\n ' +
'<div id="' + upTriggerId + '" class="w-e-up-btn">\n ' +
'<i class="w-e-icon-upload2"></i>\n </div>\n ' +
'<div style="display:none;">\n <input id="' + upFileId + '" type="file" multiple="multiple" accept="audio/mp4, video/mp4"/>\n ' +
'</div>\n </div>',
events: [{
// 触发选择视频
selector: '#' + upTriggerId,
type: 'click',
fn: function fn() {
var $file = $('#' + upFileId);
var fileElem = $file[0];
if (fileElem) {
fileElem.click();
} else {
// 返回 true 可关闭 panel
return true;
}
}
}, {
// 选择视频完毕
selector: '#' + upFileId,
type: 'change',
fn: function fn() {
var $file = $('#' + upFileId);
var fileElem = $file[0];
if (!fileElem) {
// 返回 true 可关闭 panel
return true;
}
// 获取选中的 file 对象列表
var fileList = fileElem.files;
if (fileList.length) {
uploadVideo.uploadVideo(fileList);
}
// 返回 true 可关闭 panel
return true;
}
}]
}
]; // tabs end
// 判断 tabs 的显示
var tabsConfigResult = [];
tabsConfigResult.push(tabsConfig[0]);
// 创建 panel 并显示
var panel = new Panel(this, {
width: 300,
tabs: tabsConfigResult
});
panel.show();
// 记录属性
this.panel = panel;
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
if (editor._selectedImg) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
// constructor: Video,
//
// onClick: function onClick() {
// this._createPanel();
// },
//
// _createPanel: function _createPanel() {
// var _this = this;
//
// // 创建 id
// var textValId = getRandom('text-val');
// var btnId = getRandom('btn');
//
// // 创建 panel
// var panel = new Panel(this, {
// width: 350,
// // 一个 panel 多个 tab
// tabs: [{
// // 标题
// title: '插入视频',
// // 模板
// tpl: '<div>\n <input id="' + textValId + '" type="text" class="block" placeholder="\u683C\u5F0F\u5982\uFF1A<iframe src=... ></iframe>"/>\n <div class="w-e-button-container">\n <button id="' + btnId + '" class="right">\u63D2\u5165</button>\n </div>\n </div>',
// // 事件绑定
// events: [{
// selector: '#' + btnId,
// type: 'click',
// fn: function fn() {
// var $text = $('#' + textValId);
// var val = $text.val().trim();
//
// // 测试用视频地址
// // <iframe height=498 width=510 src='http://player.youku.com/embed/XMjcwMzc3MzM3Mg==' frameborder=0 'allowfullscreen'></iframe>
//
// if (val) {
// // 插入视频
// _this._insert(val);
// }
//
// // 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
// return true;
// }
// }]
// } // first tab end
// ] // tabs end
// }); // panel end
//
// // 显示 panel
// panel.show();
//
// // 记录属性
// this.panel = panel;
// },
//
// // 插入视频
// _insert: function _insert(val) {
// var editor = this.editor;
// editor.cmd.do('insertHTML', val + '<p><br></p>');
// }
};
/*
menu - img
*/
// 构造函数
function Image(editor) {
this.editor = editor;
var imgMenuId = getRandom('w-e-img');
this.$elem = $('<div class="w-e-menu" id="' + imgMenuId + '"><i class="w-e-icon-image"><i/></div>');
editor.imgMenuId = imgMenuId;
this.type = 'panel';
// 当前是否 active 状态
this._active = false;
}
// 原型
Image.prototype = {
constructor: Image,
onClick: function onClick() {
var editor = this.editor;
var config = editor.config;
if (config.qiniu) {
return;
}
if (this._active) {
this._createEditPanel();
} else {
this._createInsertPanel();
}
},
_createEditPanel: function _createEditPanel() {
var editor = this.editor;
// id
var width30 = getRandom('width-30');
var width50 = getRandom('width-50');
var width100 = getRandom('width-100');
var delBtn = getRandom('del-btn');
// tab 配置
var tabsConfig = [{
title: '编辑图片',
tpl: '<div>\n <div class="w-e-button-container" style="border-bottom:1px solid #f1f1f1;padding-bottom:5px;margin-bottom:5px;">\n <span style="float:left;font-size:14px;margin:4px 5px 0 5px;color:#333;">\u6700\u5927\u5BBD\u5EA6\uFF1A</span>\n <button id="' + width30 + '" class="left">30%</button>\n <button id="' + width50 + '" class="left">50%</button>\n <button id="' + width100 + '" class="left">100%</button>\n </div>\n <div class="w-e-button-container">\n <button id="' + delBtn + '" class="gray left">\u5220\u9664\u56FE\u7247</button>\n </dv>\n </div>',
events: [{
selector: '#' + width30,
type: 'click',
fn: function fn() {
var $img = editor._selectedImg;
if ($img) {
$img.css('max-width', '30%');
}
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}, {
selector: '#' + width50,
type: 'click',
fn: function fn() {
var $img = editor._selectedImg;
if ($img) {
$img.css('max-width', '50%');
}
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}, {
selector: '#' + width100,
type: 'click',
fn: function fn() {
var $img = editor._selectedImg;
if ($img) {
$img.css('max-width', '100%');
}
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}, {
selector: '#' + delBtn,
type: 'click',
fn: function fn() {
var $img = editor._selectedImg;
if ($img) {
$img.remove();
}
// 返回 true，表示该事件执行完之后，panel 要关闭。否则 panel 不会关闭
return true;
}
}]
}];
// 创建 panel 并显示
var panel = new Panel(this, {
width: 300,
tabs: tabsConfig
});
panel.show();
// 记录属性
this.panel = panel;
},
_createInsertPanel: function _createInsertPanel() {
var editor = this.editor;
var uploadImg = editor.uploadImg;
var config = editor.config;
// id
var upTriggerId = getRandom('up-trigger');
var upFileId = getRandom('up-file');
var linkUrlId = getRandom('link-url');
var linkBtnId = getRandom('link-btn');
// tabs 的配置
var tabsConfig = [{
title: '上传图片',
tpl: '<div class="w-e-up-img-container">\n <div id="' + upTriggerId + '" class="w-e-up-btn">\n <i class="w-e-icon-upload2"></i>\n </div>\n <div style="display:none;">\n <input id="' + upFileId + '" type="file" multiple="multiple" accept="image/jpg,image/jpeg,image/png,image/gif,image/bmp"/>\n </div>\n </div>',
events: [{
// 触发选择图片
selector: '#' + upTriggerId,
type: 'click',
fn: function fn() {
var $file = $('#' + upFileId);
var fileElem = $file[0];
if (fileElem) {
fileElem.click();
} else {
// 返回 true 可关闭 panel
return true;
}
}
}, {
// 选择图片完毕
selector: '#' + upFileId,
type: 'change',
fn: function fn() {
var $file = $('#' + upFileId);
var fileElem = $file[0];
if (!fileElem) {
// 返回 true 可关闭 panel
return true;
}
// 获取选中的 file 对象列表
var fileList = fileElem.files;
if (fileList.length) {
uploadImg.uploadImg(fileList);
}
// 返回 true 可关闭 panel
return true;
}
}]
}, // first tab end
{
title: '网络图片',
tpl: '<div>\n <input id="' + linkUrlId + '" type="text" class="block" placeholder="\u56FE\u7247\u94FE\u63A5"/></td>\n <div class="w-e-button-container">\n <button id="' + linkBtnId + '" class="right">\u63D2\u5165</button>\n </div>\n </div>',
events: [{
selector: '#' + linkBtnId,
type: 'click',
fn: function fn() {
var $linkUrl = $('#' + linkUrlId);
var url = $linkUrl.val().trim();
if (url) {
uploadImg.insertLinkImg(url);
}
// 返回 true 表示函数执行结束之后关闭 panel
return true;
}
}]
} // second tab end
]; // tabs end
// 判断 tabs 的显示
var tabsConfigResult = [];
if ((config.uploadImgShowBase64 || config.uploadImgServer || config.customUploadImg) && window.FileReader) {
// 显示“上传图片”
tabsConfigResult.push(tabsConfig[0]);
}
if (config.showLinkImg) {
// 显示“网络图片”
tabsConfigResult.push(tabsConfig[1]);
}
// 创建 panel 并显示
var panel = new Panel(this, {
width: 300,
tabs: tabsConfigResult
});
panel.show();
// 记录属性
this.panel = panel;
},
// 试图改变 active 状态
tryChangeActive: function tryChangeActive(e) {
var editor = this.editor;
var $elem = this.$elem;
if (editor._selectedImg) {
this._active = true;
$elem.addClass('w-e-active');
} else {
this._active = false;
$elem.removeClass('w-e-active');
}
}
};
/*
所有菜单的汇总
*/
// 存储菜单的构造函数
var MenuConstructors = {};
MenuConstructors.bold = Bold;
MenuConstructors.head = Head;
MenuConstructors.link = Link;
MenuConstructors.italic = Italic;
MenuConstructors.redo = Redo;
MenuConstructors.strikeThrough = StrikeThrough;
MenuConstructors.underline = Underline;
MenuConstructors.undo = Undo;
MenuConstructors.list = List;
MenuConstructors.justify = Justify;
MenuConstructors.foreColor = ForeColor;
MenuConstructors.backColor = BackColor;
MenuConstructors.quote = Quote;
MenuConstructors.code = Code;
MenuConstructors.emoticon = Emoticon;
MenuConstructors.table = Table;
MenuConstructors.video = Video;
MenuConstructors.image = Image;
/*
菜单集合
*/
// 构造函数
function Menus(editor) {
this.editor = editor;
this.menus = {};
}
// 修改原型
Menus.prototype = {
constructor: Menus,
// 初始化菜单
init: function init() {
var _this = this;
var editor = this.editor;
var config = editor.config || {};
var configMenus = config.menus || []; // 获取配置中的菜单
// 根据配置信息，创建菜单
configMenus.forEach(function (menuKey) {
var MenuConstructor = MenuConstructors[menuKey];
if (MenuConstructor && typeof MenuConstructor === 'function') {
// 创建单个菜单
_this.menus[menuKey] = new MenuConstructor(editor);
}
});
// 添加到菜单栏
this._addToToolbar();
// 绑定事件
this._bindEvent();
},
// 添加到菜单栏
_addToToolbar: function _addToToolbar() {
var editor = this.editor;
var $toolbarElem = editor.$toolbarElem;
var menus = this.menus;
var config = editor.config;
// config.zIndex 是配置的编辑区域的 z-index，菜单的 z-index 得在其基础上 +1
var zIndex = config.zIndex + 1;
objForEach(menus, function (key, menu) {
var $elem = menu.$elem;
if ($elem) {
// 设置 z-index
$elem.css('z-index', zIndex);
$toolbarElem.append($elem);
}
});
},
// 绑定菜单 click mouseenter 事件
_bindEvent: function _bindEvent() {
var menus = this.menus;
var editor = this.editor;
objForEach(menus, function (key, menu) {
var type = menu.type;
if (!type) {
return;
}
var $elem = menu.$elem;
var droplist = menu.droplist;
var panel = menu.panel;
// 点击类型，例如 bold
if (type === 'click' && menu.onClick) {
$elem.on('click', function (e) {
if (editor.selection.getRange() == null) {
return;
}
menu.onClick(e);
});
}
// 下拉框，例如 head
if (type === 'droplist' && droplist) {
$elem.on('mouseenter', function (e) {
if (editor.selection.getRange() == null) {
return;
}
// 显示
droplist.showTimeoutId = setTimeout(function () {
droplist.show();
}, 200);
}).on('mouseleave', function (e) {
// 隐藏
droplist.hideTimeoutId = setTimeout(function () {
droplist.hide();
}, 0);
});
}
// 弹框类型，例如 link
if (type === 'panel' && menu.onClick) {
$elem.on('click', function (e) {
e.stopPropagation();
if (editor.selection.getRange() == null) {
return;
}
// 在自定义事件中显示 panel
menu.onClick(e);
});
}
});
},
// 尝试修改菜单状态
changeActive: function changeActive() {
var menus = this.menus;
objForEach(menus, function (key, menu) {
if (menu.tryChangeActive) {
setTimeout(function () {
menu.tryChangeActive();
}, 100);
}
});
}
};
/*
粘贴信息的处理
*/
// 获取粘贴的纯文本
function getPasteText(e) {
var clipboardData = e.clipboardData || e.originalEvent && e.originalEvent.clipboardData;
var pasteText = void 0;
if (clipboardData == null) {
pasteText = window.clipboardData && window.clipboardData.getData('text');
} else {
pasteText = clipboardData.getData('text/plain');
}
return replaceHtmlSymbol(pasteText);
}
// 获取粘贴的html
function getPasteHtml(e, filterStyle) {
var clipboardData = e.clipboardData || e.originalEvent && e.originalEvent.clipboardData;
var pasteText = void 0,
pasteHtml = void 0;
if (clipboardData == null) {
pasteText = window.clipboardData && window.clipboardData.getData('text');
} else {
pasteText = clipboardData.getData('text/plain');
pasteHtml = clipboardData.getData('text/html');
}
if (!pasteHtml && pasteText) {
pasteHtml = '<p>' + replaceHtmlSymbol(pasteText) + '</p>';
}
if (!pasteHtml) {
return;
}
// 过滤word中状态过来的无用字符
var docSplitHtml = pasteHtml.split('</html>');
if (docSplitHtml.length === 2) {
pasteHtml = docSplitHtml[0];
}
// 过滤无用标签
pasteHtml = pasteHtml.replace(/<(meta|script|link).+?>/igm, '');
// 去掉注释
pasteHtml = pasteHtml.replace(/<!--.*?-->/mg, '');
if (filterStyle) {
// 过滤样式
pasteHtml = pasteHtml.replace(/\s?(class|style)=('|").+?('|")/igm, '');
} else {
// 保留样式
pasteHtml = pasteHtml.replace(/\s?class=('|").+?('|")/igm, '');
}
return pasteHtml;
}
// 获取粘贴的图片文件
function getPasteImgs(e) {
var result = [];
var txt = getPasteText(e);
if (txt) {
// 有文字，就忽略图片
return result;
}
var clipboardData = e.clipboardData || e.originalEvent && e.originalEvent.clipboardData || {};
var items = clipboardData.items;
if (!items) {
return result;
}
objForEach(items, function (key, value) {
var type = value.type;
if (/image/i.test(type)) {
result.push(value.getAsFile());
}
});
return result;
}
/*
编辑区域
*/
// 获取一个 elem.childNodes 的 JSON 数据
function getChildrenJSON($elem) {
var result = [];
var $children = $elem.childNodes() || []; // 注意 childNodes() 可以获取文本节点
$children.forEach(function (curElem) {
var elemResult = void 0;
var nodeType = curElem.nodeType;
// 文本节点
if (nodeType === 3) {
elemResult = curElem.textContent;
}
// 普通 DOM 节点
if (nodeType === 1) {
elemResult = {};
// tag
elemResult.tag = curElem.nodeName.toLowerCase();
// attr
var attrData = [];
var attrList = curElem.attributes || {};
var attrListLength = attrList.length || 0;
for (var i = 0; i < attrListLength; i++) {
var attr = attrList[i];
attrData.push({
name: attr.name,
value: attr.value
});
}
elemResult.attrs = attrData;
// children（递归）
elemResult.children = getChildrenJSON($(curElem));
}
result.push(elemResult);
});
return result;
}
// 构造函数
function Text(editor) {
this.editor = editor;
}
// 修改原型
Text.prototype = {
constructor: Text,
// 初始化
init: function init() {
// 绑定事件
this._bindEvent();
},
// 清空内容
clear: function clear() {
this.html('<p><br></p>');
},
// 获取 设置 html
html: function html(val) {
var editor = this.editor;
var $textElem = editor.$textElem;
if (val == null) {
return $textElem.html();
} else {
$textElem.html(val);
// 初始化选取，将光标定位到内容尾部
editor.initSelection();
}
},
// 获取 JSON
getJSON: function getJSON() {
var editor = this.editor;
var $textElem = editor.$textElem;
return getChildrenJSON($textElem);
},
// 获取 设置 text
text: function text(val) {
var editor = this.editor;
var $textElem = editor.$textElem;
if (val == null) {
return $textElem.text();
} else {
$textElem.text('<p>' + val + '</p>');
// 初始化选取，将光标定位到内容尾部
editor.initSelection();
}
},
// 追加内容
append: function append(html) {
var editor = this.editor;
var $textElem = editor.$textElem;
$textElem.append($(html));
// 初始化选取，将光标定位到内容尾部
editor.initSelection();
},
// 绑定事件
_bindEvent: function _bindEvent() {
// 实时保存选取
this._saveRangeRealTime();
// 按回车建时的特殊处理
this._enterKeyHandle();
// 清空时保留 <p><br></p>
this._clearHandle();
// 粘贴事件（粘贴文字，粘贴图片）
this._pasteHandle();
// tab 特殊处理
this._tabHandle();
// img 点击
this._imgHandle();
// 拖拽事件
this._dragHandle();
},
// 实时保存选取
_saveRangeRealTime: function _saveRangeRealTime() {
var editor = this.editor;
var $textElem = editor.$textElem;
// 保存当前的选区
function saveRange(e) {
// 随时保存选区
editor.selection.saveRange();
// 更新按钮 ative 状态
editor.menus.changeActive();
}
// 按键后保存
$textElem.on('keyup', saveRange);
$textElem.on('mousedown', function (e) {
// mousedown 状态下，鼠标滑动到编辑区域外面，也需要保存选区
$textElem.on('mouseleave', saveRange);
});
$textElem.on('mouseup', function (e) {
saveRange();
// 在编辑器区域之内完成点击，取消鼠标滑动到编辑区外面的事件
$textElem.off('mouseleave', saveRange);
});
},
// 按回车键时的特殊处理
_enterKeyHandle: function _enterKeyHandle() {
var editor = this.editor;
var $textElem = editor.$textElem;
function insertEmptyP($selectionElem) {
var $p = $('<p><br></p>');
$p.insertBefore($selectionElem);
editor.selection.createRangeByElem($p, true);
editor.selection.restoreSelection();
$selectionElem.remove();
}
// 将回车之后生成的非 <p> 的顶级标签，改为 <p>
function pHandle(e) {
var $selectionElem = editor.selection.getSelectionContainerElem();
var $parentElem = $selectionElem.parent();
if ($parentElem.html() === '<code><br></code>') {
// 回车之前光标所在一个 <p><code>.....</code></p> ，忽然回车生成一个空的 <p><code><br></code></p>
// 而且继续回车跳不出去，因此只能特殊处理
insertEmptyP($selectionElem);
return;
}
if (!$parentElem.equal($textElem)) {
// 不是顶级标签
return;
}
var nodeName = $selectionElem.getNodeName();
if (nodeName === 'P') {
// 当前的标签是 P ，不用做处理
return;
}
if ($selectionElem.text()) {
// 有内容，不做处理
return;
}
// 插入 <p> ，并将选取定位到 <p>，删除当前标签
insertEmptyP($selectionElem);
}
$textElem.on('keyup', function (e) {
if (e.keyCode !== 13) {
// 不是回车键
return;
}
// 将回车之后生成的非 <p> 的顶级标签，改为 <p>
pHandle(e);
});
// <pre><code></code></pre> 回车时 特殊处理
function codeHandle(e) {
var $selectionElem = editor.selection.getSelectionContainerElem();
if (!$selectionElem) {
return;
}
var $parentElem = $selectionElem.parent();
var selectionNodeName = $selectionElem.getNodeName();
var parentNodeName = $parentElem.getNodeName();
if (selectionNodeName !== 'CODE' || parentNodeName !== 'PRE') {
// 不符合要求 忽略
return;
}
if (!editor.cmd.queryCommandSupported('insertHTML')) {
// 必须原生支持 insertHTML 命令
return;
}
// 处理：光标定位到代码末尾，联系点击两次回车，即跳出代码块
if (editor._willBreakCode === true) {
// 此时可以跳出代码块
// 插入 <p> ，并将选取定位到 <p>
var $p = $('<p><br></p>');
$p.insertAfter($parentElem);
editor.selection.createRangeByElem($p, true);
editor.selection.restoreSelection();
// 修改状态
editor._willBreakCode = false;
e.preventDefault();
return;
}
var _startOffset = editor.selection.getRange().startOffset;
// 处理：回车时，不能插入 <br> 而是插入 \n ，因为是在 pre 标签里面
editor.cmd.do('insertHTML', '\n');
editor.selection.saveRange();
if (editor.selection.getRange().startOffset === _startOffset) {
// 没起作用，再来一遍
editor.cmd.do('insertHTML', '\n');
}
var codeLength = $selectionElem.html().length;
if (editor.selection.getRange().startOffset + 1 === codeLength) {
// 说明光标在代码最后的位置，执行了回车操作
// 记录下来，以便下次回车时候跳出 code
editor._willBreakCode = true;
}
// 阻止默认行为
e.preventDefault();
}
$textElem.on('keydown', function (e) {
if (e.keyCode !== 13) {
// 不是回车键
// 取消即将跳转代码块的记录
editor._willBreakCode = false;
return;
}
// <pre><code></code></pre> 回车时 特殊处理
codeHandle(e);
});
},
// 清空时保留 <p><br></p>
_clearHandle: function _clearHandle() {
var editor = this.editor;
var $textElem = editor.$textElem;
$textElem.on('keydown', function (e) {
if (e.keyCode !== 8) {
return;
}
var txtHtml = $textElem.html().toLowerCase().trim();
if (txtHtml === '<p><br></p>') {
// 最后剩下一个空行，就不再删除了
e.preventDefault();
return;
}
});
$textElem.on('keyup', function (e) {
if (e.keyCode !== 8) {
return;
}
var $p = void 0;
var txtHtml = $textElem.html().toLowerCase().trim();
// firefox 时用 txtHtml === '<br>' 判断，其他用 !txtHtml 判断
if (!txtHtml || txtHtml === '<br>') {
// 内容空了
$p = $('<p><br/></p>');
$textElem.html(''); // 一定要先清空，否则在 firefox 下有问题
$textElem.append($p);
editor.selection.createRangeByElem($p, false, true);
editor.selection.restoreSelection();
}
});
},
// 粘贴事件（粘贴文字 粘贴图片）
_pasteHandle: function _pasteHandle() {
var editor = this.editor;
var config = editor.config;
var pasteFilterStyle = config.pasteFilterStyle;
var pasteTextHandle = config.pasteTextHandle;
var $textElem = editor.$textElem;
// 粘贴图片、文本的事件，每次只能执行一个
// 判断该次粘贴事件是否可以执行
var pasteTime = 0;
function canDo() {
var now = Date.now();
var flag = false;
if (now - pasteTime >= 500) {
// 间隔大于 500 ms ，可以执行
flag = true;
}
pasteTime = now;
return flag;
}
// 粘贴文字
$textElem.on('paste', function (e) {
if (UA.isIE()) {
return;
} else {
// 阻止默认行为，使用 execCommand 的粘贴命令
e.preventDefault();
}
// 粘贴图片和文本，只能同时使用一个
if (!canDo()) {
return;
}
// 获取粘贴的文字
var pasteHtml = getPasteHtml(e, pasteFilterStyle);
var pasteText = getPasteText(e);
pasteText = pasteText.replace(/\n/gm, '<br>');
// 自定义处理粘贴的内容
if (pasteTextHandle && typeof pasteTextHandle === 'function') {
pasteHtml = '' + (pasteTextHandle(pasteHtml) || '');
pasteText = '' + (pasteTextHandle(pasteText) || '');
}
var $selectionElem = editor.selection.getSelectionContainerElem();
if (!$selectionElem) {
return;
}
var nodeName = $selectionElem.getNodeName();
// code 中只能粘贴纯文本
if (nodeName === 'CODE' || nodeName === 'PRE') {
editor.cmd.do('insertHTML', '<p>' + pasteText + '</p>');
return;
}
// 先放开注释，有问题再追查 ————
// // 表格中忽略，可能会出现异常问题
// if (nodeName === 'TD' || nodeName === 'TH') {
// return
// }
if (!pasteHtml) {
return;
}
try {
// firefox 中，获取的 pasteHtml 可能是没有 <ul> 包裹的 <li>
// 因此执行 insertHTML 会报错
editor.cmd.do('insertHTML', pasteHtml);
} catch (ex) {
// 此时使用 pasteText 来兼容一下
editor.cmd.do('insertHTML', '<p>' + pasteText + '</p>');
}
});
// 粘贴图片
$textElem.on('paste', function (e) {
if (UA.isIE()) {
return;
} else {
e.preventDefault();
}
// 粘贴图片和文本，只能同时使用一个
if (!canDo()) {
return;
}
// 获取粘贴的图片
var pasteFiles = getPasteImgs(e);
if (!pasteFiles || !pasteFiles.length) {
return;
}
// 获取当前的元素
var $selectionElem = editor.selection.getSelectionContainerElem();
if (!$selectionElem) {
return;
}
var nodeName = $selectionElem.getNodeName();
// code 中粘贴忽略
if (nodeName === 'CODE' || nodeName === 'PRE') {
return;
}
// 上传图片
var uploadImg = editor.uploadImg;
uploadImg.uploadImg(pasteFiles);
});
},
// tab 特殊处理
_tabHandle: function _tabHandle() {
var editor = this.editor;
var $textElem = editor.$textElem;
$textElem.on('keydown', function (e) {
if (e.keyCode !== 9) {
return;
}
if (!editor.cmd.queryCommandSupported('insertHTML')) {
// 必须原生支持 insertHTML 命令
return;
}
var $selectionElem = editor.selection.getSelectionContainerElem();
if (!$selectionElem) {
return;
}
var $parentElem = $selectionElem.parent();
var selectionNodeName = $selectionElem.getNodeName();
var parentNodeName = $parentElem.getNodeName();
if (selectionNodeName === 'CODE' && parentNodeName === 'PRE') {
// <pre><code> 里面
editor.cmd.do('insertHTML', ' ');
} else {
// 普通文字
editor.cmd.do('insertHTML', ' ');
}
e.preventDefault();
});
},
// img 点击
_imgHandle: function _imgHandle() {
var editor = this.editor;
var $textElem = editor.$textElem;
// 为图片增加 selected 样式
$textElem.on('click', 'img', function (e) {
var img = this;
var $img = $(img);
if ($img.attr('data-w-e') === '1') {
// 是表情图片，忽略
return;
}
// 记录当前点击过的图片
editor._selectedImg = $img;
// 修改选区并 restore ，防止用户此时点击退格键，会删除其他内容
editor.selection.createRangeByElem($img);
editor.selection.restoreSelection();
});
// 去掉图片的 selected 样式
$textElem.on('click keyup', function (e) {
if (e.target.matches('img')) {
// 点击的是图片，忽略
return;
}
// 删除记录
editor._selectedImg = null;
});
},
// 拖拽事件
_dragHandle: function _dragHandle() {
var editor = this.editor;
// 禁用 document 拖拽事件
var $document = $(document);
$document.on('dragleave drop dragenter dragover', function (e) {
e.preventDefault();
});
// 添加编辑区域拖拽事件
var $textElem = editor.$textElem;
$textElem.on('drop', function (e) {
e.preventDefault();
var files = e.dataTransfer && e.dataTransfer.files;
if (!files || !files.length) {
return;
}
// 上传图片
var uploadImg = editor.uploadImg;
uploadImg.uploadImg(files);
});
}
};
/*
命令，封装 document.execCommand
*/
// 构造函数
function Command(editor) {
this.editor = editor;
}
// 修改原型
Command.prototype = {
constructor: Command,
// 执行命令
do: function _do(name, value) {
var editor = this.editor;
// 如果无选区，忽略
if (!editor.selection.getRange()) {
return;
}
// 恢复选取
editor.selection.restoreSelection();
// 执行
var _name = '_' + name;
if (this[_name]) {
// 有自定义事件
this[_name](value);
} else {
// 默认 command
this._execCommand(name, value);
}
// 修改菜单状态
editor.menus.changeActive();
// 最后，恢复选取保证光标在原来的位置闪烁
editor.selection.saveRange();
editor.selection.restoreSelection();
// 触发 onchange
editor.change && editor.change();
},
// 自定义 insertHTML 事件
_insertHTML: function _insertHTML(html) {
var editor = this.editor;
var range = editor.selection.getRange();
if (this.queryCommandSupported('insertHTML')) {
// W3C
this._execCommand('insertHTML', html);
} else if (range.insertNode) {
// IE
range.deleteContents();
range.insertNode($(html)[0]);
} else if (range.pasteHTML) {
// IE <= 10
range.pasteHTML(html);
}
},
// 插入 elem
_insertElem: function _insertElem($elem) {
var editor = this.editor;
var range = editor.selection.getRange();
if (range.insertNode) {
range.deleteContents();
range.insertNode($elem[0]);
}
},
// 封装 execCommand
_execCommand: function _execCommand(name, value) {
document.execCommand(name, false, value);
},
// 封装 document.queryCommandValue
queryCommandValue: function queryCommandValue(name) {
return document.queryCommandValue(name);
},
// 封装 document.queryCommandState
queryCommandState: function queryCommandState(name) {
return document.queryCommandState(name);
},
// 封装 document.queryCommandSupported
queryCommandSupported: function queryCommandSupported(name) {
return document.queryCommandSupported(name);
}
};
/*
selection range API
*/
// 构造函数
function API(editor) {
this.editor = editor;
this._currentRange = null;
}
// 修改原型
API.prototype = {
constructor: API,
// 获取 range 对象
getRange: function getRange() {
return this._currentRange;
},
// 保存选区
saveRange: function saveRange(_range) {
if (_range) {
// 保存已有选区
this._currentRange = _range;
return;
}
// 获取当前的选区
var selection = window.getSelection();
if (selection.rangeCount === 0) {
return;
}
var range = selection.getRangeAt(0);
// 判断选区内容是否在编辑内容之内
var $containerElem = this.getSelectionContainerElem(range);
if (!$containerElem) {
return;
}
var editor = this.editor;
var $textElem = editor.$textElem;
if ($textElem.isContain($containerElem)) {
// 是编辑内容之内的
this._currentRange = range;
}
},
// 折叠选区
collapseRange: function collapseRange(toStart) {
if (toStart == null) {
// 默认为 false
toStart = false;
}
var range = this._currentRange;
if (range) {
range.collapse(toStart);
}
},
// 选中区域的文字
getSelectionText: function getSelectionText() {
var range = this._currentRange;
if (range) {
return this._currentRange.toString();
} else {
return '';
}
},
// 选区的 $Elem
getSelectionContainerElem: function getSelectionContainerElem(range) {
range = range || this._currentRange;
var elem = void 0;
if (range) {
elem = range.commonAncestorContainer;
return $(elem.nodeType === 1 ? elem : elem.parentNode);
}
},
getSelectionStartElem: function getSelectionStartElem(range) {
range = range || this._currentRange;
var elem = void 0;
if (range) {
elem = range.startContainer;
return $(elem.nodeType === 1 ? elem : elem.parentNode);
}
},
getSelectionEndElem: function getSelectionEndElem(range) {
range = range || this._currentRange;
var elem = void 0;
if (range) {
elem = range.endContainer;
return $(elem.nodeType === 1 ? elem : elem.parentNode);
}
},
// 选区是否为空
isSelectionEmpty: function isSelectionEmpty() {
var range = this._currentRange;
if (range && range.startContainer) {
if (range.startContainer === range.endContainer) {
if (range.startOffset === range.endOffset) {
return true;
}
}
}
return false;
},
// 恢复选区
restoreSelection: function restoreSelection() {
var selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(this._currentRange);
},
// 创建一个空白（即 ​ 字符）选区
createEmptyRange: function createEmptyRange() {
var editor = this.editor;
var range = this.getRange();
var $elem = void 0;
if (!range) {
// 当前无 range
return;
}
if (!this.isSelectionEmpty()) {
// 当前选区必须没有内容才可以
return;
}
try {
// 目前只支持 webkit 内核
if (UA.isWebkit()) {
// 插入 ​
editor.cmd.do('insertHTML', '​');
// 修改 offset 位置
range.setEnd(range.endContainer, range.endOffset + 1);
// 存储
this.saveRange(range);
} else {
$elem = $('<strong>​</strong>');
editor.cmd.do('insertElem', $elem);
this.createRangeByElem($elem, true);
}
} catch (ex) {
// 部分情况下会报错，兼容一下
}
},
// 根据 $Elem 设置选区
createRangeByElem: function createRangeByElem($elem, toStart, isContent) {
// $elem - 经过封装的 elem
// toStart - true 开始位置，false 结束位置
// isContent - 是否选中Elem的内容
if (!$elem.length) {
return;
}
var elem = $elem[0];
var range = document.createRange();
if (isContent) {
range.selectNodeContents(elem);
} else {
range.selectNode(elem);
}
if (typeof toStart === 'boolean') {
range.collapse(toStart);
}
// 存储 range
this.saveRange(range);
}
};
/*
上传进度条
*/
function Progress(editor) {
this.editor = editor;
this._time = 0;
this._isShow = false;
this._isRender = false;
this._timeoutId = 0;
this.$textContainer = editor.$textContainerElem;
this.$bar = $('<div class="w-e-progress"></div>');
}
Progress.prototype = {
constructor: Progress,
show: function show(progress) {
var _this = this;
// 状态处理
if (this._isShow) {
return;
}
this._isShow = true;
// 渲染
var $bar = this.$bar;
if (!this._isRender) {
var $textContainer = this.$textContainer;
$textContainer.append($bar);
} else {
this._isRender = true;
}
// 改变进度（节流，100ms 渲染一次）
if (Date.now() - this._time > 100) {
if (progress <= 1) {
$bar.css('width', progress * 100 + '%');
this._time = Date.now();
}
}
// 隐藏
var timeoutId = this._timeoutId;
if (timeoutId) {
clearTimeout(timeoutId);
}
timeoutId = setTimeout(function () {
_this._hide();
}, 500);
},
_hide: function _hide() {
var $bar = this.$bar;
$bar.remove();
// 修改状态
this._time = 0;
this._isShow = false;
this._isRender = false;
}
};
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
/*
上传视频
*/
// 构造函数
function UploadVideo(editor) {
this.editor = editor;
}
// 原型
UploadVideo.prototype = {
constructor: UploadVideo,
// 根据 debug 弹出不同的信息
_alert: function _alert(alertInfo, debugInfo) {
var editor = this.editor;
var debug = editor.config.debug;
// var debug = true;
var customAlert = editor.config.customAlert;
if (debug) {
throw new Error('wangEditor: ' + (debugInfo || alertInfo));
} else {
if (customAlert && typeof customAlert === 'function') {
customAlert(alertInfo);
} else {
alert(alertInfo);
}
}
},
// 上传视频
uploadVideo: function uploadVideo(files) {
var _this3 = this;
if (!files || !files.length) {
return;
}
// ------------------------------ 获取配置信息 ------------------------------
var editor = this.editor;
var config = editor.config;
var uploadImgServer = "/file/upload";
// var uploadImgShowBase64 = config.uploadImgShowBase64;
var maxSize = 100 * 1024 * 1024; //100M
var maxSizeM = maxSize / 1000 / 1000;
var maxLength = 1;
var uploadFileName = "file";
var uploadImgParams = config.uploadImgParams || {};
// var uploadImgParamsWithUrl = config.uploadImgParamsWithUrl;
var uploadImgHeaders = {};
var hooks = config.uploadImgHooks || {};
var timeout = 5 * 60 * 1000; //5 min
var withCredentials = config.withCredentials;
if (withCredentials == null) {
withCredentials = false;
}
// ------------------------------ 验证文件信息 ------------------------------
var resultFiles = [];
var errInfo = [];
arrForEach(files, function (file) {
var name = file.name;
var size = file.size;
// chrome 低版本 name === undefined
if (!name || !size) {
return;
}
if (/\.(mp4)$/i.test(name) === false) {
// 后缀名不合法，不是图片
errInfo.push('\u3010' + name + '\u3011\u4E0D\u662F\u56FE\u7247');
return;
}
if (maxSize < size) {
// 上传图片过大
errInfo.push('\u3010' + name + '\u3011\u5927\u4E8E ' + maxSizeM + 'M');
return;
}
// 验证通过的加入结果列表
resultFiles.push(file);
});
// 抛出验证信息
if (errInfo.length) {
this._alert('视频验证未通过: \n' + errInfo.join('\n'));
return;
}
if (resultFiles.length > maxLength) {
this._alert('一次最多上传' + maxLength + '个视频');
return;
}
// ------------------------------ 自定义上传 ------------------------------
// 添加视频数据
var formdata = new FormData();
arrForEach(resultFiles, function (file) {
var name = uploadFileName || file.name;
formdata.append(name, file);
});
// ------------------------------ 上传视频 ------------------------------
if (uploadImgServer && typeof uploadImgServer === 'string') {
// 添加参数
var uploadImgServerArr = uploadImgServer.split('#');
uploadImgServer = uploadImgServerArr[0];
var uploadImgServerHash = uploadImgServerArr[1] || '';
objForEach(uploadImgParams, function (key, val) {
val = encodeURIComponent(val);
// 第一，将参数拼接到 url 中
if (uploadImgParamsWithUrl) {
if (uploadImgServer.indexOf('?') > 0) {
uploadImgServer += '&';
} else {
uploadImgServer += '?';
}
uploadImgServer = uploadImgServer + key + '=' + val;
}
// 第二，将参数添加到 formdata 中
formdata.append(key, val);
});
if (uploadImgServerHash) {
uploadImgServer += '#' + uploadImgServerHash;
}
// 定义 xhr
var xhr = new XMLHttpRequest();
xhr.open('POST', uploadImgServer);
// 设置超时
xhr.timeout = timeout;
xhr.ontimeout = function () {
// hook - timeout
if (hooks.timeout && typeof hooks.timeout === 'function') {
hooks.timeout(xhr, editor);
}
_this3._alert('上传图片超时');
};
// 监控 progress
if (xhr.upload) {
xhr.upload.onprogress = function (e) {
var percent = void 0;
// 进度条
var progressBar = new Progress(editor);
if (e.lengthComputable) {
percent = e.loaded / e.total;
progressBar.show(percent);
}
};
}
// 返回数据
xhr.onreadystatechange = function () {
var result = void 0;
if (xhr.readyState === 4) {
if (xhr.status < 200 || xhr.status >= 300) {
// hook - error
if (hooks.error && typeof hooks.error === 'function') {
hooks.error(xhr, editor);
}
// xhr 返回状态错误
_this3._alert('上传视频发生错误', '\u4E0A\u4F20\u56FE\u7247\u53D1\u751F\u9519\u8BEF\uFF0C\u670D\u52A1\u5668\u8FD4\u56DE\u72B6\u6001\u662F ' + xhr.status);
return;
}
result = xhr.responseText;
if ((typeof result === 'undefined' ? 'undefined' : _typeof(result)) !== 'object') {
try {
result = JSON.parse(result);
} catch (ex) {
// hook - fail
if (hooks.fail && typeof hooks.fail === 'function') {
hooks.fail(xhr, editor, result);
}
_this3._alert('上传视频失败', '上传视频返回结果错误，返回结果是: ' + result);
return;
}
}
if (!hooks.customInsert && result.errno != '0') {
// hook - fail
if (hooks.fail && typeof hooks.fail === 'function') {
hooks.fail(xhr, editor, result);
}
// 数据错误
_this3._alert('上传视频失败', '上传视频返回结果错误，返回结果 errno=' + result.errno);
} else {
if (hooks.customInsert && typeof hooks.customInsert === 'function') {
// 使用者自定义插入方法
// var _video_src = ' <video class="video-js" controls preload="auto" data-setup="{}"><source src="' + result.obj + '" type="video/mp4"></video>'
editor.cmd.do('insertHTML', '<video src="' + result.obj + '" style="max-width: 50%;max-height:50%;" controls autobuffer />');
_this3._alert("upload successfully")
// hooks.customInsert(_this3.insertLinkImg.bind(_this3), result, editor);
} else {
// 将图片插入编辑器
var data = result.data || [];
data.forEach(function (link) {
_this3.insertLinkImg(link);
});
}
// hook - success
if (hooks.success && typeof hooks.success === 'function') {
hooks.success(xhr, editor, result);
}
}
}
};
// hook - before
if (hooks.before && typeof hooks.before === 'function') {
var beforeResult = hooks.before(xhr, editor, resultFiles);
if (beforeResult && (typeof beforeResult === 'undefined' ? 'undefined' : _typeof(beforeResult)) === 'object') {
if (beforeResult.prevent) {
// 如果返回的结果是 {prevent: true, msg: 'xxxx'} 则表示用户放弃上传
this._alert(beforeResult.msg);
return;
}
}
}
// 自定义 headers
objForEach(uploadImgHeaders, function (key, val) {
xhr.setRequestHeader(key, val);
});
// 跨域传 cookie
xhr.withCredentials = withCredentials;
// 发送请求
xhr.send(formdata);
// 注意，要 return 。不去操作接下来的 base64 显示方式
return;
}
}
};
/*
上传图片
*/
// 构造函数
function UploadImg(editor) {
this.editor = editor;
}
// 原型
UploadImg.prototype = {
constructor: UploadImg,
// 根据 debug 弹出不同的信息
_alert: function _alert(alertInfo, debugInfo) {
var editor = this.editor;
var debug = editor.config.debug;
var customAlert = editor.config.customAlert;
if (debug) {
throw new Error('wangEditor: ' + (debugInfo || alertInfo));
} else {
if (customAlert && typeof customAlert === 'function') {
customAlert(alertInfo);
} else {
alert(alertInfo);
}
}
},
// 根据链接插入图片
insertLinkImg: function insertLinkImg(link) {
var _this2 = this;
if (!link) {
return;
}
var editor = this.editor;
var config = editor.config;
// 校验格式
var linkImgCheck = config.linkImgCheck;
var checkResult = void 0;
if (linkImgCheck && typeof linkImgCheck === 'function') {
checkResult = linkImgCheck(link);
if (typeof checkResult === 'string') {
// 校验失败，提示信息
alert(checkResult);
return;
}
}
editor.cmd.do('insertHTML', '<img src="' + link + '" style="max-width:100%;"/>');
// 验证图片 url 是否有效，无效的话给出提示
var img = document.createElement('img');
img.onload = function () {
var callback = config.linkImgCallback;
if (callback && typeof callback === 'function') {
callback(link);
}
img = null;
};
img.onerror = function () {
img = null;
// 无法成功下载图片
_this2._alert('插入图片错误', 'wangEditor: \u63D2\u5165\u56FE\u7247\u51FA\u9519\uFF0C\u56FE\u7247\u94FE\u63A5\u662F "' + link + '"\uFF0C\u4E0B\u8F7D\u8BE5\u94FE\u63A5\u5931\u8D25');
return;
};
img.onabort = function () {
img = null;
};
img.src = link;
},
// 上传图片
uploadImg: function uploadImg(files) {
var _this3 = this;
if (!files || !files.length) {
return;
}
// ------------------------------ 获取配置信息 ------------------------------
var editor = this.editor;
var config = editor.config;
var uploadImgServer = config.uploadImgServer;
var uploadImgShowBase64 = config.uploadImgShowBase64;
var maxSize = config.uploadImgMaxSize;
var maxSizeM = maxSize / 1000 / 1000;
var maxLength = config.uploadImgMaxLength || 10000;
var uploadFileName = config.uploadFileName || '';
var uploadImgParams = config.uploadImgParams || {};
var uploadImgParamsWithUrl = config.uploadImgParamsWithUrl;
var uploadImgHeaders = config.uploadImgHeaders || {};
var hooks = config.uploadImgHooks || {};
var timeout = config.uploadImgTimeout || 3000;
var withCredentials = config.withCredentials;
if (withCredentials == null) {
withCredentials = false;
}
var customUploadImg = config.customUploadImg;
if (!customUploadImg) {
// 没有 customUploadImg 的情况下，需要如下两个配置才能继续进行图片上传
if (!uploadImgServer && !uploadImgShowBase64) {
return;
}
}
// ------------------------------ 验证文件信息 ------------------------------
var resultFiles = [];
var errInfo = [];
arrForEach(files, function (file) {
var name = file.name;
var size = file.size;
// chrome 低版本 name === undefined
if (!name || !size) {
return;
}
if (/\.(jpg|jpeg|png|bmp|gif)$/i.test(name) === false) {
// 后缀名不合法，不是图片
errInfo.push('\u3010' + name + '\u3011\u4E0D\u662F\u56FE\u7247');
return;
}
if (maxSize < size) {
// 上传图片过大
errInfo.push('\u3010' + name + '\u3011\u5927\u4E8E ' + maxSizeM + 'M');
return;
}
// 验证通过的加入结果列表
resultFiles.push(file);
});
// 抛出验证信息
if (errInfo.length) {
this._alert('图片验证未通过: \n' + errInfo.join('\n'));
return;
}
if (resultFiles.length > maxLength) {
this._alert('一次最多上传' + maxLength + '张图片');
return;
}
// ------------------------------ 自定义上传 ------------------------------
if (customUploadImg && typeof customUploadImg === 'function') {
customUploadImg(resultFiles, this.insertLinkImg.bind(this));
// 阻止以下代码执行
return;
}
// 添加图片数据
var formdata = new FormData();
arrForEach(resultFiles, function (file) {
var name = uploadFileName || file.name;
formdata.append(name, file);
});
// ------------------------------ 上传图片 ------------------------------
if (uploadImgServer && typeof uploadImgServer === 'string') {
// 添加参数
var uploadImgServerArr = uploadImgServer.split('#');
uploadImgServer = uploadImgServerArr[0];
var uploadImgServerHash = uploadImgServerArr[1] || '';
objForEach(uploadImgParams, function (key, val) {
val = encodeURIComponent(val);
// 第一，将参数拼接到 url 中
if (uploadImgParamsWithUrl) {
if (uploadImgServer.indexOf('?') > 0) {
uploadImgServer += '&';
} else {
uploadImgServer += '?';
}
uploadImgServer = uploadImgServer + key + '=' + val;
}
// 第二，将参数添加到 formdata 中
formdata.append(key, val);
});
if (uploadImgServerHash) {
uploadImgServer += '#' + uploadImgServerHash;
}
// 定义 xhr
var xhr = new XMLHttpRequest();
xhr.open('POST', uploadImgServer);
// 设置超时
xhr.timeout = timeout;
xhr.ontimeout = function () {
// hook - timeout
if (hooks.timeout && typeof hooks.timeout === 'function') {
hooks.timeout(xhr, editor);
}
_this3._alert('上传图片超时');
};
// 监控 progress
if (xhr.upload) {
xhr.upload.onprogress = function (e) {
var percent = void 0;
// 进度条
var progressBar = new Progress(editor);
if (e.lengthComputable) {
percent = e.loaded / e.total;
progressBar.show(percent);
}
};
}
// 返回数据
xhr.onreadystatechange = function () {
var result = void 0;
if (xhr.readyState === 4) {
if (xhr.status < 200 || xhr.status >= 300) {
// hook - error
if (hooks.error && typeof hooks.error === 'function') {
hooks.error(xhr, editor);
}
// xhr 返回状态错误
_this3._alert('上传图片发生错误', '\u4E0A\u4F20\u56FE\u7247\u53D1\u751F\u9519\u8BEF\uFF0C\u670D\u52A1\u5668\u8FD4\u56DE\u72B6\u6001\u662F ' + xhr.status);
return;
}
result = xhr.responseText;
if ((typeof result === 'undefined' ? 'undefined' : _typeof(result)) !== 'object') {
try {
result = JSON.parse(result);
} catch (ex) {
// hook - fail
if (hooks.fail && typeof hooks.fail === 'function') {
hooks.fail(xhr, editor, result);
}
_this3._alert('上传图片失败', '上传图片返回结果错误，返回结果是: ' + result);
return;
}
}
if (!hooks.customInsert && result.errno != '0') {
// hook - fail
if (hooks.fail && typeof hooks.fail === 'function') {
hooks.fail(xhr, editor, result);
}
// 数据错误
_this3._alert('上传图片失败', '上传图片返回结果错误，返回结果 errno=' + result.errno);
} else {
if (hooks.customInsert && typeof hooks.customInsert === 'function') {
// 使用者自定义插入方法
hooks.customInsert(_this3.insertLinkImg.bind(_this3), result, editor);
} else {
// 将图片插入编辑器
var data = result.data || [];
data.forEach(function (link) {
_this3.insertLinkImg(link);
});
}
// hook - success
if (hooks.success && typeof hooks.success === 'function') {
hooks.success(xhr, editor, result);
}
}
}
};
// hook - before
if (hooks.before && typeof hooks.before === 'function') {
var beforeResult = hooks.before(xhr, editor, resultFiles);
if (beforeResult && (typeof beforeResult === 'undefined' ? 'undefined' : _typeof(beforeResult)) === 'object') {
if (beforeResult.prevent) {
// 如果返回的结果是 {prevent: true, msg: 'xxxx'} 则表示用户放弃上传
this._alert(beforeResult.msg);
return;
}
}
}
// 自定义 headers
objForEach(uploadImgHeaders, function (key, val) {
xhr.setRequestHeader(key, val);
});
// 跨域传 cookie
xhr.withCredentials = withCredentials;
// 发送请求
xhr.send(formdata);
// 注意，要 return 。不去操作接下来的 base64 显示方式
return;
}
// ------------------------------ 显示 base64 格式 ------------------------------
if (uploadImgShowBase64) {
arrForEach(files, function (file) {
var _this = _this3;
var reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = function () {
_this.insertLinkImg(this.result);
};
});
}
}
};
/*
编辑器构造函数
*/
// id，累加
var editorId = 1;
// 构造函数
function Editor(toolbarSelector, textSelector) {
if (toolbarSelector == null) {
// 没有传入任何参数，报错
throw new Error('错误：初始化编辑器时候未传入任何参数，请查阅文档');
}
// id，用以区分单个页面不同的编辑器对象
this.id = 'wangEditor-' + editorId++;
this.toolbarSelector = toolbarSelector;
this.textSelector = textSelector;
// 自定义配置
this.customConfig = {};
}
// 修改原型
Editor.prototype = {
constructor: Editor,
// 初始化配置
_initConfig: function _initConfig() {
// _config 是默认配置，this.customConfig 是用户自定义配置，将它们 merge 之后再赋值
var target = {};
this.config = Object.assign(target, config, this.customConfig);
// 将语言配置，生成正则表达式
var langConfig = this.config.lang || {};
var langArgs = [];
objForEach(langConfig, function (key, val) {
// key 即需要生成正则表达式的规则，如“插入链接”
// val 即需要被替换成的语言，如“insert link”
langArgs.push({
reg: new RegExp(key, 'img'),
val: val
});
});
this.config.langArgs = langArgs;
},
// 初始化 DOM
_initDom: function _initDom() {
var _this = this;
var toolbarSelector = this.toolbarSelector;
var $toolbarSelector = $(toolbarSelector);
var textSelector = this.textSelector;
var config$$1 = this.config;
var zIndex = config$$1.zIndex;
// 定义变量
var $toolbarElem = void 0,
$textContainerElem = void 0,
$textElem = void 0,
$children = void 0;
if (textSelector == null) {
// 只传入一个参数，即是容器的选择器或元素，toolbar 和 text 的元素自行创建
$toolbarElem = $('<div></div>');
$textContainerElem = $('<div></div>');
// 将编辑器区域原有的内容，暂存起来
$children = $toolbarSelector.children();
// 添加到 DOM 结构中
$toolbarSelector.append($toolbarElem).append($textContainerElem);
// 自行创建的，需要配置默认的样式
$toolbarElem.css('background-color', '#f1f1f1').css('border', '1px solid #ccc');
$textContainerElem.css('border', '1px solid #ccc').css('border-top', 'none').css('height', '300px');
} else {
// toolbar 和 text 的选择器都有值，记录属性
$toolbarElem = $toolbarSelector;
$textContainerElem = $(textSelector);
// 将编辑器区域原有的内容，暂存起来
$children = $textContainerElem.children();
}
// 编辑区域
$textElem = $('<div></div>');
$textElem.attr('contenteditable', 'true').css('width', '100%').css('height', '100%');
// 初始化编辑区域内容
if ($children && $children.length) {
$textElem.append($children);
} else {
$textElem.append($('<p><br></p>'));
}
// 编辑区域加入DOM
$textContainerElem.append($textElem);
// 设置通用的 class
$toolbarElem.addClass('w-e-toolbar');
$textContainerElem.addClass('w-e-text-container');
$textContainerElem.css('z-index', zIndex);
$textElem.addClass('w-e-text');
// 添加 ID
var toolbarElemId = getRandom('toolbar-elem');
$toolbarElem.attr('id', toolbarElemId);
var textElemId = getRandom('text-elem');
$textElem.attr('id', textElemId);
// 记录属性
this.$toolbarElem = $toolbarElem;
this.$textContainerElem = $textContainerElem;
this.$textElem = $textElem;
this.toolbarElemId = toolbarElemId;
this.textElemId = textElemId;
// 绑定 onchange
$textContainerElem.on('click keyup', function () {
_this.change && _this.change();
});
$toolbarElem.on('click', function () {
this.change && this.change();
});
//绑定 onfocus 与 onblur 事件
if (config$$1.onfocus || config$$1.onblur) {
// 当前编辑器是否是焦点状态
this.isFocus = false;
$(document).on('click', function (e) {
//判断当前点击元素是否在编辑器内
var isChild = $toolbarSelector.isContain($(e.target));
if (!isChild) {
if (_this.isFocus) {
_this.onblur && _this.onblur();
}
_this.isFocus = false;
} else {
if (!_this.isFocus) {
_this.onfocus && _this.onfocus();
}
_this.isFocus = true;
}
});
}
},
// 封装 command
_initCommand: function _initCommand() {
this.cmd = new Command(this);
},
// 封装 selection range API
_initSelectionAPI: function _initSelectionAPI() {
this.selection = new API(this);
},
// 添加图片上传
_initUploadImg: function _initUploadImg() {
this.uploadImg = new UploadImg(this);
},
// 添加视频上传
_initUploadVideo: function _initUploadVideo() {
this.uploadVideo = new UploadVideo(this);
},
// 初始化菜单
_initMenus: function _initMenus() {
this.menus = new Menus(this);
this.menus.init();
},
// 添加 text 区域
_initText: function _initText() {
this.txt = new Text(this);
this.txt.init();
},
// 初始化选区，将光标定位到内容尾部
initSelection: function initSelection(newLine) {
var $textElem = this.$textElem;
var $children = $textElem.children();
if (!$children.length) {
// 如果编辑器区域无内容，添加一个空行，重新设置选区
$textElem.append($('<p><br></p>'));
this.initSelection();
return;
}
var $last = $children.last();
if (newLine) {
// 新增一个空行
var html = $last.html().toLowerCase();
var nodeName = $last.getNodeName();
if (html !== '<br>' && html !== '<br\/>' || nodeName !== 'P') {
// 最后一个元素不是 <p><br></p>，添加一个空行，重新设置选区
$textElem.append($('<p><br></p>'));
this.initSelection();
return;
}
}
this.selection.createRangeByElem($last, false, true);
this.selection.restoreSelection();
},
// 绑定事件
_bindEvent: function _bindEvent() {
// -------- 绑定 onchange 事件 --------
var onChangeTimeoutId = 0;
var beforeChangeHtml = this.txt.html();
var config$$1 = this.config;
// onchange 触发延迟时间
var onchangeTimeout = config$$1.onchangeTimeout;
onchangeTimeout = parseInt(onchangeTimeout, 10);
if (!onchangeTimeout || onchangeTimeout <= 0) {
onchangeTimeout = 200;
}
var onchange = config$$1.onchange;
if (onchange && typeof onchange === 'function') {
// 触发 change 的有三个场景：
// 1. $textContainerElem.on('click keyup')
// 2. $toolbarElem.on('click')
// 3. editor.cmd.do()
this.change = function () {
// 判断是否有变化
var currentHtml = this.txt.html();
if (currentHtml.length === beforeChangeHtml.length) {
// 需要比较每一个字符
if (currentHtml === beforeChangeHtml) {
return;
}
}
// 执行，使用节流
if (onChangeTimeoutId) {
clearTimeout(onChangeTimeoutId);
}
onChangeTimeoutId = setTimeout(function () {
// 触发配置的 onchange 函数
onchange(currentHtml);
beforeChangeHtml = currentHtml;
}, onchangeTimeout);
};
}
// -------- 绑定 onblur 事件 --------
var onblur = config$$1.onblur;
if (onblur && typeof onblur === 'function') {
this.onblur = function () {
var currentHtml = this.txt.html();
onblur(currentHtml);
};
}
// -------- 绑定 onfocus 事件 --------
var onfocus = config$$1.onfocus;
if (onfocus && typeof onfocus === 'function') {
this.onfocus = function () {
onfocus();
};
}
},
// 创建编辑器
create: function create() {
// 初始化配置信息
this._initConfig();
// 初始化 DOM
this._initDom();
// 封装 command API
this._initCommand();
// 封装 selection range API
this._initSelectionAPI();
// 添加 text
this._initText();
// 初始化菜单
this._initMenus();
// 添加 图片上传
this._initUploadImg();
// 添加 视频上传
this._initUploadVideo();
// 初始化选区，将光标定位到内容尾部
this.initSelection(true);
// 绑定事件
this._bindEvent();
},
// 解绑所有事件（暂时不对外开放）
_offAllEvent: function _offAllEvent() {
$.offAll();
}
};
// 检验是否浏览器环境
try {
document;
} catch (ex) {
throw new Error('请在浏览器环境下运行');
}
// polyfill
polyfill();
// 这里的 `inlinecss` 将被替换成 css 代码的内容，详情可去 ./gulpfile.js 中搜索 `inlinecss` 关键字
var inlinecss = '.w-e-toolbar,.w-e-text-container,.w-e-menu-panel { padding: 0; margin: 0; box-sizing: border-box;}.w-e-toolbar *,.w-e-text-container *,.w-e-menu-panel * { padding: 0; margin: 0; box-sizing: border-box;}.w-e-clear-fix:after { content: ""; display: table; clear: both;}.w-e-toolbar .w-e-droplist { position: absolute; left: 0; top: 0; background-color: #fff; border: 1px solid #f1f1f1; border-right-color: #ccc; border-bottom-color: #ccc;}.w-e-toolbar .w-e-droplist .w-e-dp-title { text-align: center; color: #999; line-height: 2; border-bottom: 1px solid #f1f1f1; font-size: 13px;}.w-e-toolbar .w-e-droplist ul.w-e-list { list-style: none; line-height: 1;}.w-e-toolbar .w-e-droplist ul.w-e-list li.w-e-item { color: #333; padding: 5px 0;}.w-e-toolbar .w-e-droplist ul.w-e-list li.w-e-item:hover { background-color: #f1f1f1;}.w-e-toolbar .w-e-droplist ul.w-e-block { list-style: none; text-align: left; padding: 5px;}.w-e-toolbar .w-e-droplist ul.w-e-block li.w-e-item { display: inline-block; *display: inline; *zoom: 1; padding: 3px 5px;}.w-e-toolbar .w-e-droplist ul.w-e-block li.w-e-item:hover { background-color: #f1f1f1;}@font-face { font-family: \'w-e-icon\'; src: 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format(\'truetype\'); font-weight: normal; font-style: normal;}[class^="w-e-icon-"],[class*=" w-e-icon-"] { /* use !important to prevent issues with browser extensions that change fonts */ font-family: \'w-e-icon\' !important; speak: none; font-style: normal; font-weight: normal; font-variant: normal; text-transform: none; line-height: 1; /* Better Font Rendering =========== */ -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;}.w-e-icon-close:before { content: "\\f00d";}.w-e-icon-upload2:before { content: "\\e9c6";}.w-e-icon-trash-o:before { content: "\\f014";}.w-e-icon-header:before { content: "\\f1dc";}.w-e-icon-pencil2:before { content: "\\e906";}.w-e-icon-paint-brush:before { content: "\\f1fc";}.w-e-icon-image:before { content: "\\e90d";}.w-e-icon-play:before { content: "\\e912";}.w-e-icon-location:before { content: "\\e947";}.w-e-icon-undo:before { content: "\\e965";}.w-e-icon-redo:before { content: "\\e966";}.w-e-icon-quotes-left:before { content: "\\e977";}.w-e-icon-list-numbered:before { content: "\\e9b9";}.w-e-icon-list2:before { content: "\\e9bb";}.w-e-icon-link:before { content: "\\e9cb";}.w-e-icon-happy:before { content: "\\e9df";}.w-e-icon-bold:before { content: "\\ea62";}.w-e-icon-underline:before { content: "\\ea63";}.w-e-icon-italic:before { content: "\\ea64";}.w-e-icon-strikethrough:before { content: "\\ea65";}.w-e-icon-table2:before { content: "\\ea71";}.w-e-icon-paragraph-left:before { content: "\\ea77";}.w-e-icon-paragraph-center:before { content: "\\ea78";}.w-e-icon-paragraph-right:before { content: "\\ea79";}.w-e-icon-terminal:before { content: "\\f120";}.w-e-icon-page-break:before { content: "\\ea68";}.w-e-icon-cancel-circle:before { content: "\\ea0d";}.w-e-toolbar { display: -webkit-box; display: -ms-flexbox; display: flex; padding: 0 5px; /* 单个菜单 */}.w-e-toolbar .w-e-menu { position: relative; text-align: center; padding: 5px 10px; cursor: pointer;}.w-e-toolbar .w-e-menu i { color: #999;}.w-e-toolbar .w-e-menu:hover i { color: #333;}.w-e-toolbar .w-e-active i { color: #1e88e5;}.w-e-toolbar .w-e-active:hover i { color: #1e88e5;}.w-e-text-container .w-e-panel-container { position: absolute; top: 0; left: 50%; border: 1px solid #ccc; border-top: 0; box-shadow: 1px 1px 2px #ccc; color: #333; background-color: #fff; /* 为 emotion panel 定制的样式 */ /* 上传图片的 panel 定制样式 */}.w-e-text-container .w-e-panel-container .w-e-panel-close { position: absolute; right: 0; top: 0; padding: 5px; margin: 2px 5px 0 0; cursor: pointer; color: #999;}.w-e-text-container .w-e-panel-container .w-e-panel-close:hover { color: #333;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-title { list-style: none; display: -webkit-box; display: -ms-flexbox; display: flex; font-size: 14px; margin: 2px 10px 0 10px; border-bottom: 1px solid #f1f1f1;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-title .w-e-item { padding: 3px 5px; color: #999; cursor: pointer; margin: 0 3px; position: relative; top: 1px;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-title .w-e-active { color: #333; border-bottom: 1px solid #333; cursor: default; font-weight: 700;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content { padding: 10px 15px 10px 15px; font-size: 16px; /* 输入框的样式 */ /* 按钮的样式 */}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content input:focus,.w-e-text-container .w-e-panel-container .w-e-panel-tab-content textarea:focus,.w-e-text-container .w-e-panel-container .w-e-panel-tab-content button:focus { outline: none;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content textarea { width: 100%; border: 1px solid #ccc; padding: 5px;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content textarea:focus { border-color: #1e88e5;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content input[type=text] { border: none; border-bottom: 1px solid #ccc; font-size: 14px; height: 20px; color: #333; text-align: left;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content input[type=text].small { width: 30px; text-align: center;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content input[type=text].block { display: block; width: 100%; margin: 10px 0;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content input[type=text]:focus { border-bottom: 2px solid #1e88e5;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content .w-e-button-container button { font-size: 14px; color: #1e88e5; border: none; padding: 5px 10px; background-color: #fff; cursor: pointer; border-radius: 3px;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content .w-e-button-container button.left { float: left; margin-right: 10px;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content .w-e-button-container button.right { float: right; margin-left: 10px;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content .w-e-button-container button.gray { color: #999;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content .w-e-button-container button.red { color: #c24f4a;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content .w-e-button-container button:hover { background-color: #f1f1f1;}.w-e-text-container .w-e-panel-container .w-e-panel-tab-content .w-e-button-container:after { content: ""; display: table; clear: both;}.w-e-text-container .w-e-panel-container .w-e-emoticon-container .w-e-item { cursor: pointer; font-size: 18px; padding: 0 3px; display: inline-block; *display: inline; *zoom: 1;}.w-e-text-container .w-e-panel-container .w-e-up-img-container { text-align: center;}.w-e-text-container .w-e-panel-container .w-e-up-img-container .w-e-up-btn { display: inline-block; *display: inline; *zoom: 1; color: #999; cursor: pointer; font-size: 60px; line-height: 1;}.w-e-text-container .w-e-panel-container .w-e-up-img-container .w-e-up-btn:hover { color: #333;}.w-e-text-container { position: relative;}.w-e-text-container .w-e-progress { position: absolute; background-color: #1e88e5; bottom: 0; left: 0; height: 1px;}.w-e-text { padding: 0 10px; overflow-y: scroll;}.w-e-text p,.w-e-text h1,.w-e-text h2,.w-e-text h3,.w-e-text h4,.w-e-text h5,.w-e-text table,.w-e-text pre { margin: 10px 0; line-height: 1.5;}.w-e-text ul,.w-e-text ol { margin: 10px 0 10px 20px;}.w-e-text blockquote { display: block; border-left: 8px solid #d0e5f2; padding: 5px 10px; margin: 10px 0; line-height: 1.4; font-size: 100%; background-color: #f1f1f1;}.w-e-text code { display: inline-block; *display: inline; *zoom: 1; background-color: #f1f1f1; border-radius: 3px; padding: 3px 5px; margin: 0 3px;}.w-e-text pre code { display: block;}.w-e-text table { border-top: 1px solid #ccc; border-left: 1px solid #ccc;}.w-e-text table td,.w-e-text table th { border-bottom: 1px solid #ccc; border-right: 1px solid #ccc; padding: 3px 5px;}.w-e-text table th { border-bottom: 2px solid #ccc; text-align: center;}.w-e-text:focus { outline: none;}.w-e-text img { cursor: pointer;}.w-e-text img:hover { box-shadow: 0 0 5px #333;}';
// 将 css 代码添加到 <style> 中
var style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = inlinecss;
document.getElementsByTagName('HEAD').item(0).appendChild(style);
// 返回
var index = window.wangEditor || Editor;
return index;
})));
wangEditor 修改 “视频”菜单 的实现方式，达到上传视频的功能---完整版
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