1.0.0
This commit is contained in:
sentsin
524
src/lay/modules/layedit.js
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524
src/lay/modules/layedit.js
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/**
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@Name：layui.layedit 富文本编辑器
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@Author：贤心
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@License：LGPL
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*/
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layui.define(['layer', 'form'], function(exports){
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"use strict";
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var $ = layui.jquery
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,layer = layui.layer
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,form = layui.form()
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,hint = layui.hint()
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,device = layui.device()
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,MOD_NAME = 'layedit', THIS = 'layui-this', SHOW = 'layui-show', ABLED = 'layui-disabled'
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,Edit = function(){
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var that = this;
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that.index = 0;
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//全局配置
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that.config = {
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//默认工具bar
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tool: [
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'strong', 'italic', 'underline', 'del'
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,'|'
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,'left', 'center', 'right'
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,'|'
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, 'link', 'unlink', 'face', 'image'
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]
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,hideTool: []
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,height: 280 //默认高
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};
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};
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//全局设置
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Edit.prototype.set = function(options){
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var that = this;
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$.extend(true, that.config, options);
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return that;
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};
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//事件监听
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Edit.prototype.on = function(events, callback){
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return layui.onevent(MOD_NAME, events, callback);
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};
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//建立编辑器
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Edit.prototype.build = function(id, settings){
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settings = settings || {};
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var that = this
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,config = that.config
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,ELEM = 'layui-layedit', textArea = $('#'+id)
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,name = 'LAY_layedit_'+ (++that.index)
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,haveBuild = textArea.next('.'+ELEM)
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,set = $.extend({}, config, settings)
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,tool = function(){
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var node = [], hideTools = {};
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layui.each(set.hideTool, function(_, item){
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hideTools[item] = true;
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});
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layui.each(set.tool, function(_, item){
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if(tools[item] && !hideTools[item]){
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node.push(tools[item]);
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}
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});
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return node.join('');
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}()
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,editor = $(['<div class="'+ ELEM +'">'
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,'<div class="layui-unselect layui-layedit-tool">'+ tool +'</div>'
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,'<div class="layui-layedit-iframe">'
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,'<iframe id="'+ name +'" name="'+ name +'" frameborder="0"></iframe>'
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,'</div>'
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,'</div>'].join(''))
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//编辑器不兼容ie8以下
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if(device.ie && device.ie < 8){
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return textArea.removeClass('layui-hide').addClass(SHOW);
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}
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haveBuild[0] && (haveBuild.remove());
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setIframe.call(that, editor, textArea[0], set)
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textArea.addClass('layui-hide').after(editor);
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return that.index;
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};
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//获得编辑器中内容
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Edit.prototype.getContent = function(index){
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var iframeWin = $('#LAY_layedit_'+ index).prop('contentWindow');
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if(!iframeWin) return;
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return iframeWin.document.body.innerHTML;
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};
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//获得编辑器中纯文本内容
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Edit.prototype.getText = function(index){
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var iframeWin = $('#LAY_layedit_'+ index).prop('contentWindow');
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if(!iframeWin) return;
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return $(iframeWin.document.body).text();
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};
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//iframe初始化
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var setIframe = function(editor, textArea, set){
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var that = this, iframe = editor.find('iframe');
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iframe.css({
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height: set.height
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}).on('load', function(){
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var conts = iframe.contents()
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,iframeWin = iframe.prop('contentWindow')
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,head = conts.find('head')
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,style = $(['<style>'
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,'*{margin: 0; padding: 0;}'
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,'body{padding: 10px; line-height: 20px; overflow-x: hidden; word-wrap: break-word; font: 14px Helvetica Neue,Helvetica,PingFang SC,Microsoft YaHei,Tahoma,Arial,sans-serif; -webkit-box-sizing: border-box !important; -moz-box-sizing: border-box !important; box-sizing: border-box !important;}'
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,'a{color:#01AAED; text-decoration:none;}a:hover{color:#c00}'
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,'p{margin-bottom: 10px;}'
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,'img{display: inline-block; border: none; vertical-align: middle;}'
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,'</style>'].join(''))
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,body = conts.find('body');
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head.append(style);
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body.attr('contenteditable', 'true').css({
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'min-height': set.height
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}).html(textArea.value||'');
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hotkey.apply(that, [iframeWin, iframe, textArea, set]); //快捷键处理
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toolActive.call(that, iframeWin, editor, set); //触发工具
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});
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}
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//快捷键处理
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,hotkey = function(iframeWin, iframe, textArea, set){
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var iframeDOM = iframeWin.document, body = $(iframeDOM.body);
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body.on('keydown', function(e){
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var keycode = e.keyCode;
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//处理回车
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if(keycode === 13){
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//此处后续还要处理列表等情况
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iframeDOM.execCommand('formatBlock', false, '<p>');
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}
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//给textarea同步内容
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textArea.value = body.html();
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});
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//处理粘贴
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body.on('paste', function(e){
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iframeDOM.execCommand('formatBlock', false, '<p>');
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setTimeout(function(){
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filter.call(iframeWin, body);
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textArea.value = body.html();
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}, 100);
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});
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}
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//标签过滤
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,filter = function(body){
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var iframeWin = this
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,iframeDOM = iframeWin.document;
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//清除影响版面的css属性
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body.find('*[style]').each(function(){
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var textAlign = this.style.textAlign;
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this.removeAttribute('style');
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$(this).css({
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'text-align': textAlign || ''
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})
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});
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//修饰表格
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body.find('table').addClass('layui-table');
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//移除不安全的标签
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body.find('script,link').remove();
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}
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//Range对象兼容性处理
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,Range = function(iframeDOM){
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return iframeDOM.selection
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? iframeDOM.selection.createRange()
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: iframeDOM.getSelection().getRangeAt(0);
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}
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//当前Range对象的endContainer兼容性处理
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,getContainer = function(range){
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return range.endContainer || range.parentElement().childNodes[0]
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}
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//在选区插入内联元素
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,insertInline = function(tagName, attr, range){
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var iframeDOM = this.document
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,elem = document.createElement(tagName)
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for(var key in attr){
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elem.setAttribute(key, attr[key]);
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}
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elem.removeAttribute('text');
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if(iframeDOM.selection){ //IE
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var text = range.text || attr.text;
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if(tagName === 'a' && !text) return;
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if(text){
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elem.innerHTML = text;
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}
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range.pasteHTML($(elem).prop('outerHTML'));
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range.select();
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} else { //非IE
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var text = range.toString() || attr.text;
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if(tagName === 'a' && !text) return;
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if(text){
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elem.innerHTML = text;
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}
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range.deleteContents();
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range.insertNode(elem);
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}
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}
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//工具选中
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,toolCheck = function(tools, othis){
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var iframeDOM = this.document
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,CHECK = 'layedit-tool-active'
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,container = getContainer(Range(iframeDOM))
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,item = function(type){
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return tools.find('.layedit-tool-'+type)
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}
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if(othis){
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othis[othis.hasClass(CHECK) ? 'removeClass' : 'addClass'](CHECK);
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}
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tools.find('>i').removeClass(CHECK);
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item('unlink').addClass(ABLED);
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$(container).parents().each(function(){
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var tagName = this.tagName.toLowerCase()
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,textAlign = this.style.textAlign;
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//文字
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if(tagName === 'b' || tagName === 'strong'){
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item('b').addClass(CHECK)
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}
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if(tagName === 'i' || tagName === 'em'){
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item('i').addClass(CHECK)
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}
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if(tagName === 'u'){
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item('u').addClass(CHECK)
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}
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if(tagName === 'strike'){
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item('d').addClass(CHECK)
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}
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//对齐
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if(tagName === 'p'){
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if(textAlign === 'center'){
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item('center').addClass(CHECK);
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} else if(textAlign === 'right'){
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item('right').addClass(CHECK);
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} else {
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item('left').addClass(CHECK);
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}
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}
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//超链接
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if(tagName === 'a'){
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item('link').addClass(CHECK);
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item('unlink').removeClass(ABLED);
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}
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});
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}
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//触发工具
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,toolActive = function(iframeWin, editor, set){
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var iframeDOM = iframeWin.document
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,body = $(iframeDOM.body)
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,toolEvent = {
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//超链接
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link: function(range){
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var container = getContainer(range)
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,parentNode = $(container).parent();
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link.call(body, {
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href: parentNode.attr('href')
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,target: parentNode.attr('target')
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}, function(field){
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var parent = parentNode[0];
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if(parent.tagName === 'A'){
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parent.href = field.url;
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} else {
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insertInline.call(iframeWin, 'a', {
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target: field.target
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,href: field.url
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,text: field.url
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}, range);
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}
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});
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}
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//清除超链接
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,unlink: function(range){
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iframeDOM.execCommand('unlink');
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}
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//表情
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,face: function(range){
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face.call(this, function(img){
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insertInline.call(iframeWin, 'img', {
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src: img.src
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,alt: img.alt
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}, range);
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});
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}
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//图片
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,image: function(range){
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var that = this;
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layui.use('upload', function(upload){
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var uploadImage = set.uploadImage || {};
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upload({
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url: uploadImage.url
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,method: uploadImage.type
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,elem: $(that).find('input')[0]
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,unwrap: true
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,success: function(res){
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if(res.code == 0){
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res.data = res.data || {};
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insertInline.call(iframeWin, 'img', {
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src: res.data.src
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,alt: res.data.title
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}, range);
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} else {
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layer.msg(res.msg||'上传失败');
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}
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}
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});
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});
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}
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//插入代码
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,code: function(range){
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layer.msg('Next Version');
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}
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//帮助
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,help: function(){
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layer.open({
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type: 2
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,title: '帮助'
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,area: ['600px', '380px']
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,shadeClose: true
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,shade: 0.1
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,skin: 'layui-layer-msg'
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,content: ['http://www.layui.com/about/layedit/help.html', 'no']
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});
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}
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}
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,tools = editor.find('.layui-layedit-tool')
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,click = function(){
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var othis = $(this)
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,events = othis.attr('layedit-event')
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,command = othis.attr('lay-command');
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if(othis.hasClass(ABLED)) return;
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body.focus();
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var range = Range(iframeDOM)
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,container = range.commonAncestorContainer
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if(command){
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iframeDOM.execCommand(command);
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if(/justifyLeft|justifyCenter|justifyRight/.test(command)){
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iframeDOM.execCommand('formatBlock', false, '<p>');
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}
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setTimeout(function(){
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body.focus();
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}, 10);
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} else {
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toolEvent[events] && toolEvent[events].call(this, range);
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}
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toolCheck.call(iframeWin, tools, othis);
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}
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,isClick = /image/
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tools.find('>i').on('mousedown', function(){
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var othis = $(this)
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,events = othis.attr('layedit-event');
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if(isClick.test(events)) return;
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click.call(this)
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}).on('click', function(){
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var othis = $(this)
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,events = othis.attr('layedit-event');
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if(!isClick.test(events)) return;
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click.call(this)
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});
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//触发内容区域
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body.on('click', function(){
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toolCheck.call(iframeWin, tools);
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});
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}
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//超链接面板
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,link = function(options, callback){
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var body = this, index = layer.open({
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type: 1
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,id: 'LAY_layedit_link'
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,area: '350px'
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,shade: 0.05
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,shadeClose: true
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,moveType: 1
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,title: '超链接'
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,skin: 'layui-layer-msg'
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,content: ['<ul class="layui-form" style="margin: 15px;">'
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,'<li class="layui-form-item">'
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,'<label class="layui-form-label" style="width: 60px;">URL</label>'
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||||
,'<div class="layui-input-block" style="margin-left: 90px">'
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||||
,'<input name="url" lay-verify="url" value="'+ (options.href||'') +'" autofocus="true" autocomplete="off" class="layui-input">'
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,'</div>'
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||||
,'</li>'
|
||||
,'<li class="layui-form-item">'
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||||
,'<label class="layui-form-label" style="width: 60px;">打开方式</label>'
|
||||
,'<div class="layui-input-block" style="margin-left: 90px">'
|
||||
,'<input type="radio" name="target" value="_self" class="layui-input" title="当前窗口"'
|
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+ ((options.target==='_self' || !options.target) ? 'checked' : '') +'>'
|
||||
,'<input type="radio" name="target" value="_blank" class="layui-input" title="新窗口" '
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||||
+ (options.target==='_blank' ? 'checked' : '') +'>'
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||||
,'</div>'
|
||||
,'</li>'
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||||
,'<li class="layui-form-item" style="text-align: center;">'
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||||
,'<button type="button" lay-submit lay-filter="layedit-link-yes" class="layui-btn"> 确定 </button>'
|
||||
,'<button style="margin-left: 20px;" type="button" class="layui-btn layui-btn-primary"> 取消 </button>'
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||||
,'</li>'
|
||||
,'</ul>'].join('')
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,success: function(layero, index){
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var eventFilter = 'submit(layedit-link-yes)';
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form.render('radio');
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layero.find('.layui-btn-primary').on('click', function(){
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layer.close(index);
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body.focus();
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||||
});
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delete layui.cache.event['form.'+eventFilter];
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||||
form.on(eventFilter, function(data){
|
||||
layer.close(link.index);
|
||||
callback && callback(data.field);
|
||||
});
|
||||
}
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||||
});
|
||||
link.index = index;
|
||||
}
|
||||
|
||||
//表情面板
|
||||
,face = function(callback){
|
||||
//表情库
|
||||
var faces = function(){
|
||||
var alt = ["[微笑]", "[嘻嘻]", "[哈哈]", "[可爱]", "[可怜]", "[挖鼻]", "[吃惊]", "[害羞]", "[挤眼]", "[闭嘴]", "[鄙视]", "[爱你]", "[泪]", "[偷笑]", "[亲亲]", "[生病]", "[太开心]", "[白眼]", "[右哼哼]", "[左哼哼]", "[嘘]", "[衰]", "[委屈]", "[吐]", "[哈欠]", "[抱抱]", "[怒]", "[疑问]", "[馋嘴]", "[拜拜]", "[思考]", "[汗]", "[困]", "[睡]", "[钱]", "[失望]", "[酷]", "[色]", "[哼]", "[鼓掌]", "[晕]", "[悲伤]", "[抓狂]", "[黑线]", "[阴险]", "[怒骂]", "[互粉]", "[心]", "[伤心]", "[猪头]", "[熊猫]", "[兔子]", "[ok]", "[耶]", "[good]", "[NO]", "[赞]", "[来]", "[弱]", "[草泥马]", "[神马]", "[囧]", "[浮云]", "[给力]", "[围观]", "[威武]", "[奥特曼]", "[礼物]", "[钟]", "[话筒]", "[蜡烛]", "[蛋糕]"], arr = {};
|
||||
layui.each(alt, function(index, item){
|
||||
arr[item] = layui.cache.dir + 'images/face/'+ index + '.gif';
|
||||
});
|
||||
return arr;
|
||||
}();
|
||||
face.hide = face.hide || function(e){
|
||||
if($(e.target).attr('layedit-event') !== 'face'){
|
||||
layer.close(face.index);
|
||||
}
|
||||
}
|
||||
return face.index = layer.tips(function(){
|
||||
var content = [];
|
||||
layui.each(faces, function(key, item){
|
||||
content.push('<li title="'+ key +'"><img src="'+ item +'" alt="'+ key +'"></li>');
|
||||
});
|
||||
return '<ul class="layui-clear">' + content.join('') + '</ul>';
|
||||
}(), this, {
|
||||
tips: 1
|
||||
,time: 0
|
||||
,skin: 'layui-box layui-util-face'
|
||||
,maxWidth: 500
|
||||
,success: function(layero, index){
|
||||
layero.css({
|
||||
marginTop: -4
|
||||
,marginLeft: -10
|
||||
}).find('.layui-clear>li').on('click', function(){
|
||||
callback && callback({
|
||||
src: faces[this.title]
|
||||
,alt: this.title
|
||||
});
|
||||
layer.close(index);
|
||||
});
|
||||
$(document).off('click', face.hide).on('click', face.hide);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
//全部工具
|
||||
,tools = {
|
||||
html: '<i class="layui-icon layedit-tool-html" title="HTML源代码" lay-command="html" layedit-event="html""></i><span class="layedit-tool-mid"></span>'
|
||||
,strong: '<i class="layui-icon layedit-tool-b" title="加粗" lay-command="Bold" layedit-event="b""></i>'
|
||||
,italic: '<i class="layui-icon layedit-tool-i" title="斜体" lay-command="italic" layedit-event="i""></i>'
|
||||
,underline: '<i class="layui-icon layedit-tool-u" title="下划线" lay-command="underline" layedit-event="u""></i>'
|
||||
,del: '<i class="layui-icon layedit-tool-d" title="删除线" lay-command="strikeThrough" layedit-event="d""></i>'
|
||||
|
||||
,'|': '<span class="layedit-tool-mid"></span>'
|
||||
|
||||
,left: '<i class="layui-icon layedit-tool-left" title="左对齐" lay-command="justifyLeft" layedit-event="left""></i>'
|
||||
,center: '<i class="layui-icon layedit-tool-center" title="居中对齐" lay-command="justifyCenter" layedit-event="center""></i>'
|
||||
,right: '<i class="layui-icon layedit-tool-right" title="右对齐" lay-command="justifyRight" layedit-event="right""></i>'
|
||||
,link: '<i class="layui-icon layedit-tool-link" title="插入链接" layedit-event="link""></i>'
|
||||
,unlink: '<i class="layui-icon layedit-tool-unlink layui-disabled" title="清除链接" lay-command="unlink" layedit-event="unlink""></i>'
|
||||
,face: '<i class="layui-icon layedit-tool-face" title="表情" layedit-event="face""></i>'
|
||||
,image: '<i class="layui-icon layedit-tool-image" title="图片" layedit-event="image"><input type="file" name="file"></i>'
|
||||
,code: '<i class="layui-icon layedit-tool-code" title="插入代码" layedit-event="code"></i>'
|
||||
|
||||
,help: '<i class="layui-icon layedit-tool-help" title="帮助" layedit-event="help"></i>'
|
||||
}
|
||||
|
||||
,edit = new Edit();
|
||||
|
||||
exports(MOD_NAME, edit);
|
||||
});
|
||||
Reference in New Issue
Block a user