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'); - } - }); - - //给textarea同步内容 - $(textArea).parents('form').on('submit', function(){ - var html = body.html(); - //IE8下将标签处理成小写 - if(device.ie == 8){ - html = html.replace(/<.+>/g, function(str){ - return str.toLowerCase(); - }); - } - textArea.value = html; - }); - - //处理粘贴 - body.on('paste', function(e){ - iframeDOM.execCommand('formatBlock', false, '
'); - setTimeout(function(){ - filter.call(iframeWin, body); - textArea.value = body.html(); - }, 100); - }); - } - - //标签过滤 - ,filter = function(body){ - var iframeWin = this - ,iframeDOM = iframeWin.document; - - //清除影响版面的css属性 - body.find('*[style]').each(function(){ - var textAlign = this.style.textAlign; - this.removeAttribute('style'); - $(this).css({ - 'text-align': textAlign || '' - }) - }); - - //修饰表格 - body.find('table').addClass('layui-table'); - - //移除不安全的标签 - body.find('script,link').remove(); - } - - //Range对象兼容性处理 - ,Range = function(iframeDOM){ - return iframeDOM.selection - ? iframeDOM.selection.createRange() - : iframeDOM.getSelection().getRangeAt(0); - } - - //当前Range对象的endContainer兼容性处理 - ,getContainer = function(range){ - return range.endContainer || range.parentElement().childNodes[0] - } - - //在选区插入内联元素 - ,insertInline = function(tagName, attr, range){ - var iframeDOM = this.document - ,elem = document.createElement(tagName) - for(var key in attr){ - elem.setAttribute(key, attr[key]); - } - elem.removeAttribute('text'); - - if(iframeDOM.selection){ //IE - var text = range.text || attr.text; - if(tagName === 'a' && !text) return; - if(text){ - elem.innerHTML = text; - } - range.pasteHTML($(elem).prop('outerHTML')); - range.select(); - } else { //非IE - var text = range.toString() || attr.text; - if(tagName === 'a' && !text) return; - if(text){ - elem.innerHTML = text; - } - range.deleteContents(); - range.insertNode(elem); - } - } - - //工具选中 - ,toolCheck = function(tools, othis){ - var iframeDOM = this.document - ,CHECK = 'layedit-tool-active' - ,container = getContainer(Range(iframeDOM)) - ,item = function(type){ - return tools.find('.layedit-tool-'+type) - } - - if(othis){ - othis[othis.hasClass(CHECK) ? 'removeClass' : 'addClass'](CHECK); - } - - tools.find('>i').removeClass(CHECK); - item('unlink').addClass(ABLED); - - $(container).parents().each(function(){ - var tagName = this.tagName.toLowerCase() - ,textAlign = this.style.textAlign; - - //文字 - if(tagName === 'b' || tagName === 'strong'){ - item('b').addClass(CHECK) - } - if(tagName === 'i' || tagName === 'em'){ - item('i').addClass(CHECK) - } - if(tagName === 'u'){ - item('u').addClass(CHECK) - } - if(tagName === 'strike'){ - item('d').addClass(CHECK) - } - - //对齐 - if(tagName === 'p'){ - if(textAlign === 'center'){ - item('center').addClass(CHECK); - } else if(textAlign === 'right'){ - item('right').addClass(CHECK); - } else { - item('left').addClass(CHECK); - } - } - - //超链接 - if(tagName === 'a'){ - item('link').addClass(CHECK); - item('unlink').removeClass(ABLED); - } - }); - } - - //触发工具 - ,toolActive = function(iframeWin, editor, set){ - var iframeDOM = iframeWin.document - ,body = $(iframeDOM.body) - ,toolEvent = { - //超链接 - link: function(range){ - var container = getContainer(range) - ,parentNode = $(container).parent(); - - link.call(body, { - href: parentNode.attr('href') - ,target: parentNode.attr('target') - }, function(field){ - var parent = parentNode[0]; - if(parent.tagName === 'A'){ - parent.href = field.url; - } else { - insertInline.call(iframeWin, 'a', { - target: field.target - ,href: field.url - ,text: field.url - }, range); - } - }); - } - //清除超链接 - ,unlink: function(range){ - iframeDOM.execCommand('unlink'); - } - //表情 - ,face: function(range){ - face.call(this, function(img){ - insertInline.call(iframeWin, 'img', { - src: img.src - ,alt: img.alt - }, range); - }); - } - //图片 - ,image: function(range){ - var that = this; - layui.use('upload', function(upload){ - var uploadImage = set.uploadImage || {}; - upload.render({ - url: uploadImage.url - ,method: uploadImage.type - ,elem: $(that).find('input')[0] - ,done: function(res){ - if(res.code == 0){ - res.data = res.data || {}; - insertInline.call(iframeWin, 'img', { - src: res.data.src - ,alt: res.data.title - }, range); - } else { - layer.msg(res.msg||'上传失败'); - } - } - }); - }); - } - //插入代码 - ,code: function(range){ - code.call(body, function(pre){ - insertInline.call(iframeWin, 'pre', { - text: pre.code - ,'lay-lang': pre.lang - }, range); - }); - } - //帮助 - ,help: function(){ - layer.open({ - type: 2 - ,title: '帮助' - ,area: ['600px', '380px'] - ,shadeClose: true - ,shade: 0.1 - ,skin: 'layui-layer-msg' - ,content: ['', 'no'] - }); - } - } - ,tools = editor.find('.layui-layedit-tool') - - ,click = function(){ - var othis = $(this) - ,events = othis.attr('layedit-event') - ,command = othis.attr('lay-command'); - - if(othis.hasClass(ABLED)) return; - - body.focus(); - - var range = Range(iframeDOM) - ,container = range.commonAncestorContainer - - if(command){ - iframeDOM.execCommand(command); - if(/justifyLeft|justifyCenter|justifyRight/.test(command)){ - iframeDOM.execCommand('formatBlock', false, '
'); - } - setTimeout(function(){ - body.focus(); - }, 10); - } else { - toolEvent[events] && toolEvent[events].call(this, range); - } - toolCheck.call(iframeWin, tools, othis); - } - - ,isClick = /image/ - - tools.find('>i').on('mousedown', function(){ - var othis = $(this) - ,events = othis.attr('layedit-event'); - if(isClick.test(events)) return; - click.call(this) - }).on('click', function(){ - var othis = $(this) - ,events = othis.attr('layedit-event'); - if(!isClick.test(events)) return; - click.call(this) - }); - - //触发内容区域 - body.on('click', function(){ - toolCheck.call(iframeWin, tools); - layer.close(face.index); - }); - } - - //超链接面板 - ,link = function(options, callback){ - var body = this, index = layer.open({ - type: 1 - ,id: 'LAY_layedit_link' - ,area: '350px' - ,shade: 0.05 - ,shadeClose: true - ,moveType: 1 - ,title: '超链接' - ,skin: 'layui-layer-msg' - ,content: ['
'+ (text || '') +'