2018-08-23 15:11:31 +08:00
|
|
|
import hljs from 'highlight.js';
|
|
|
|
import marked from 'marked';
|
|
|
|
import range from './js/range';
|
|
|
|
import Print from './js/print';
|
|
|
|
|
|
|
|
hljs.initHighlightingOnLoad();
|
|
|
|
|
|
|
|
marked.setOptions({
|
|
|
|
renderer : new marked.Renderer(),
|
|
|
|
gfm : true,
|
|
|
|
tables : true,
|
|
|
|
breaks : false,
|
|
|
|
pedantic : false,
|
|
|
|
sanitize : true,
|
|
|
|
smartLists : true,
|
|
|
|
highlight : function (code) {
|
|
|
|
return hljs.highlightAuto(code).value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
export default {
|
|
|
|
name : 'markdown',
|
|
|
|
props : {
|
|
|
|
title : { // 标题
|
|
|
|
type : String,
|
|
|
|
default : ''
|
|
|
|
},
|
2018-08-24 09:52:19 +08:00
|
|
|
titleStyle : {// 标题样式
|
2018-08-23 16:24:03 +08:00
|
|
|
type : Object,
|
|
|
|
default() {
|
2018-08-23 15:11:31 +08:00
|
|
|
return {}
|
|
|
|
}
|
|
|
|
},
|
|
|
|
theme : { // 默认主题
|
|
|
|
type : String,
|
|
|
|
default : 'Light'
|
|
|
|
},
|
|
|
|
width : {// 宽度
|
2018-08-23 16:24:03 +08:00
|
|
|
type : [Number, String],
|
|
|
|
default : 'auto'
|
2018-08-23 15:11:31 +08:00
|
|
|
},
|
|
|
|
height : { // 高度
|
|
|
|
type : Number,
|
|
|
|
default : 600
|
|
|
|
}, // 宽度
|
|
|
|
toolbars : { // 工具栏
|
|
|
|
type : Object,
|
|
|
|
default() {
|
|
|
|
return {};
|
|
|
|
}
|
|
|
|
},
|
|
|
|
autoSave : {// 是否自动保存
|
|
|
|
type : Boolean,
|
|
|
|
default : true
|
|
|
|
},
|
|
|
|
interval : { // 自动保存频率 单位:毫秒
|
|
|
|
type : Number,
|
|
|
|
default : 10000
|
|
|
|
},
|
2018-08-23 16:24:03 +08:00
|
|
|
initialValue : { // 初始化值
|
|
|
|
type : String,
|
|
|
|
default : ''
|
2018-08-24 09:52:19 +08:00
|
|
|
},
|
|
|
|
mode : { // 模式 1 分屏显示 2 预览详情 3 全屏编辑
|
|
|
|
type : [Number, String],
|
|
|
|
default : 1
|
2018-08-23 15:11:31 +08:00
|
|
|
}
|
|
|
|
},
|
|
|
|
data() {
|
|
|
|
return {
|
|
|
|
value : '', // 输入框内容
|
|
|
|
timeoutId : null,
|
|
|
|
hljsInit : null,
|
|
|
|
indexLenth : 1,
|
|
|
|
previewMarkdown : '',
|
|
|
|
preview : 1, // 是否是预览状态
|
|
|
|
isFullscreen : false,
|
|
|
|
scrollHeight : null,
|
|
|
|
scroll : 'markdown',// 哪个半栏在滑动
|
|
|
|
allTools : { // 显示隐藏的工具栏
|
|
|
|
strong : true,
|
|
|
|
italic : true,
|
|
|
|
overline : true,
|
|
|
|
h1 : true,
|
|
|
|
h2 : true,
|
|
|
|
h3 : true,
|
|
|
|
h4 : false,
|
|
|
|
h5 : false,
|
|
|
|
h6 : false,
|
|
|
|
hr : true,
|
|
|
|
quote : true,
|
|
|
|
ul : true,
|
|
|
|
ol : true,
|
|
|
|
code : true,
|
|
|
|
link : true,
|
|
|
|
image : true,
|
|
|
|
table : true,
|
|
|
|
checked : true,
|
|
|
|
notChecked : true,
|
|
|
|
shift : true,
|
|
|
|
fullscreen : true,
|
|
|
|
print : true,
|
2018-08-23 16:24:03 +08:00
|
|
|
theme : true
|
2018-08-23 15:11:31 +08:00
|
|
|
},
|
|
|
|
slideDown : false,
|
|
|
|
themeName : 'Light',// 主题名称
|
|
|
|
lastInsert : '',
|
|
|
|
timerId : null,// 定时器id
|
|
|
|
|
|
|
|
};
|
|
|
|
},
|
|
|
|
computed : {
|
|
|
|
editorHeight() {
|
|
|
|
if (this.isFullscreen) {
|
|
|
|
return window.innerHeight;
|
|
|
|
} else {
|
|
|
|
return this.height;
|
|
|
|
}
|
|
|
|
},
|
|
|
|
tools() {
|
2018-08-23 16:24:03 +08:00
|
|
|
const {allTools, toolbars} = this;
|
|
|
|
return Object.assign(allTools, toolbars)
|
2018-08-23 15:11:31 +08:00
|
|
|
}
|
|
|
|
},
|
|
|
|
mounted() {
|
2018-08-23 16:24:03 +08:00
|
|
|
this.$nextTick(() => {
|
2018-08-23 15:11:31 +08:00
|
|
|
this.$refs.textarea.focus();
|
|
|
|
})
|
|
|
|
this.init();
|
2018-08-24 09:52:19 +08:00
|
|
|
//this.addListener();
|
2018-08-23 15:11:31 +08:00
|
|
|
},
|
|
|
|
methods : {
|
|
|
|
init() {
|
|
|
|
this.themeName = this.theme;
|
2018-08-24 09:52:19 +08:00
|
|
|
const {autoSave, interval, theme, initialValue, mode} = this;
|
2018-08-23 16:24:03 +08:00
|
|
|
this.value = initialValue;
|
2018-08-24 09:52:19 +08:00
|
|
|
this.preview = mode;
|
2018-08-23 15:11:31 +08:00
|
|
|
this.previewMarkdown = marked(initialValue, {
|
|
|
|
sanitize : true
|
|
|
|
});
|
|
|
|
if (autoSave) {
|
|
|
|
this.timerId = setInterval(() => {
|
2018-08-23 16:24:03 +08:00
|
|
|
this.handleSave();
|
2018-08-23 15:11:31 +08:00
|
|
|
}, interval)
|
|
|
|
}
|
|
|
|
|
|
|
|
},
|
|
|
|
markdownScroll() {
|
|
|
|
if (this.scroll === 'markdown') {
|
|
|
|
const markdownContent = this.$refs.markdownContent;
|
|
|
|
const preview = this.$refs.preview;
|
|
|
|
const markdownScrollHeight = markdownContent.scrollHeight;
|
|
|
|
const markdownScrollTop = markdownContent.scrollTop;
|
|
|
|
const previewScrollHeight = preview.scrollHeight;
|
|
|
|
preview.scrollTop = parseInt((markdownScrollTop / markdownScrollHeight) * previewScrollHeight);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
previewScroll() {
|
|
|
|
if (this.scroll === 'preview') {
|
|
|
|
const markdownContent = this.$refs.markdownContent;
|
|
|
|
const preview = this.$refs.preview;
|
|
|
|
const markdownScrollHeight = markdownContent.scrollHeight;
|
|
|
|
const previewScrollHeight = preview.scrollHeight;
|
|
|
|
const previewScrollTop = preview.scrollTop;
|
|
|
|
markdownContent.scrollTop = parseInt((previewScrollTop / previewScrollHeight) * markdownScrollHeight);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
mousescrollSide(side) {// 设置究竟是哪个半边在主动滑动
|
|
|
|
this.scroll = side;
|
|
|
|
},
|
|
|
|
insertContent(str) { // 插入文本
|
2018-08-23 16:24:03 +08:00
|
|
|
const {preview} = this;
|
|
|
|
if (preview === 2) {
|
|
|
|
return;
|
2018-08-23 15:11:31 +08:00
|
|
|
}
|
|
|
|
this.lastInsert = str;
|
|
|
|
const textareaDom = this.$refs.textarea;
|
|
|
|
const point = this.getCursortPosition();
|
|
|
|
const lastChart = this.value.substring(point - 1, point);
|
|
|
|
const lastFourCharts = this.value.substring(point - 4, point);
|
|
|
|
if (lastChart != '\n' && this.value != '' && lastFourCharts != ' ') {
|
|
|
|
str = '\n' + str;
|
|
|
|
this.insertAfterText(str);
|
|
|
|
} else {
|
|
|
|
this.insertAfterText(str);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
getCursortPosition() { // 获取光标位置
|
|
|
|
const textDom = this.$refs.textarea;
|
|
|
|
let cursorPos = 0;
|
|
|
|
if (document.selection) {
|
|
|
|
textDom.focus();
|
|
|
|
let selectRange = document.selection.createRange();
|
|
|
|
selectRange.moveStart('character', - this.value.length);
|
|
|
|
cursorPos = selectRange.text.length;
|
|
|
|
} else if (textDom.selectionStart || textDom.selectionStart == '0') {
|
|
|
|
cursorPos = textDom.selectionStart;
|
|
|
|
}
|
|
|
|
return cursorPos;
|
|
|
|
},
|
|
|
|
insertAfterText(value) { // 插入文本
|
|
|
|
const textDom = this.$refs.textarea;
|
|
|
|
let selectRange;
|
|
|
|
if (document.selection) {
|
|
|
|
textDom.focus();
|
|
|
|
selectRange = document.selection.createRange();
|
|
|
|
selectRange.text = value;
|
|
|
|
textDom.focus();
|
|
|
|
} else if (textDom.selectionStart || textDom.selectionStart == '0') {
|
|
|
|
const startPos = textDom.selectionStart;
|
|
|
|
const endPos = textDom.selectionEnd;
|
|
|
|
const scrollTop = textDom.scrollTop;
|
|
|
|
textDom.value = textDom.value.substring(0, startPos) + value + textDom.value.substring(endPos, textDom.value.length);
|
|
|
|
textDom.focus();
|
|
|
|
textDom.selectionStart = startPos + value.length;
|
|
|
|
textDom.selectionEnd = startPos + value.length;
|
|
|
|
textDom.scrollTop = scrollTop;
|
|
|
|
} else {
|
|
|
|
textDom.value += value;
|
|
|
|
textDom.focus();
|
|
|
|
}
|
|
|
|
this.$set(this, 'value', textDom.value);
|
|
|
|
},
|
|
|
|
setCaretPosition(position) { // 设置光标位置
|
|
|
|
const textDom = this.$refs.textarea;
|
|
|
|
if (textDom.setSelectionRange) {
|
|
|
|
textDom.focus();
|
|
|
|
textDom.setSelectionRange(position, position);
|
|
|
|
} else if (textDom.createTextRange) {
|
|
|
|
var range = textDom.createTextRange();
|
|
|
|
range.collapse(true);
|
|
|
|
range.moveEnd('character', position);
|
|
|
|
range.moveStart('character', position);
|
|
|
|
range.select();
|
|
|
|
}
|
|
|
|
},
|
|
|
|
insertLine() { // 插入分割线
|
|
|
|
this.insertContent(`\n----\n`);
|
|
|
|
},
|
|
|
|
insertTitle(level) { // 插入标题
|
|
|
|
const titleLevel = {
|
|
|
|
1 : '\n# ',
|
|
|
|
2 : '\n## ',
|
|
|
|
3 : '\n### ',
|
|
|
|
4 : '\n#### ',
|
|
|
|
5 : '\n##### ',
|
|
|
|
6 : '\n###### '
|
|
|
|
};
|
|
|
|
this.insertContent(titleLevel[level]);
|
|
|
|
},
|
2018-08-24 09:52:19 +08:00
|
|
|
insertQuote() { // 引用
|
|
|
|
this.insertContent('\n> ');
|
|
|
|
},
|
|
|
|
insertUl() { // 无需列表
|
|
|
|
this.insertContent('- ');
|
|
|
|
},
|
|
|
|
insertOl() { // 有序列表
|
|
|
|
this.insertContent('1. ');
|
|
|
|
},
|
|
|
|
insertFinished() { // 已完成列表
|
|
|
|
this.insertContent('- [x] ');
|
|
|
|
},
|
|
|
|
insertNotFinished() { // 未完成列表
|
|
|
|
this.insertContent('- [ ] ');
|
|
|
|
},
|
|
|
|
insertLink() { // 插入链接
|
|
|
|
this.insertContent('\n[插入链接](https://github.com/coinsuper)');
|
|
|
|
},
|
|
|
|
insertImage() { // 插入图片
|
|
|
|
this.insertContent('\n![image](https://noticejs.oss-cn-hangzhou.aliyuncs.com/%E6%9C%AA%E6%A0%87%E9%A2%98-3.jpg)');
|
|
|
|
},
|
|
|
|
insertTable() { // 插入表格
|
|
|
|
this.insertContent(`\nheader 1 | header 2\n---|---\nrow 1 col 1 | row 1 col 2\nrow 2 col 1 | row 2 col 2\n\n`);
|
|
|
|
},
|
2018-08-23 15:11:31 +08:00
|
|
|
insertCode() { // 插入code
|
|
|
|
const textareaDom = this.$refs.textarea;
|
|
|
|
const point = this.getCursortPosition();
|
|
|
|
const lastChart = this.value.substring(point - 1, point);
|
|
|
|
this.insertContent('\n```\n\n```');
|
|
|
|
if (lastChart != '\n' && this.value != '') {
|
|
|
|
this.setCaretPosition(point + 5);
|
|
|
|
} else {
|
|
|
|
this.setCaretPosition(point + 5);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
insertStrong() { // 粗体
|
|
|
|
const textareaDom = this.$refs.textarea;
|
|
|
|
const point = this.getCursortPosition();
|
|
|
|
const lastChart = this.value.substring(point - 1, point);
|
|
|
|
this.insertContent('****');
|
|
|
|
if (lastChart != '\n' && this.value != '') {
|
|
|
|
this.setCaretPosition(point + 2);
|
|
|
|
} else {
|
|
|
|
this.setCaretPosition(point + 2);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
insertItalic() { // 斜体
|
|
|
|
const textareaDom = this.$refs.textarea;
|
|
|
|
const point = this.getCursortPosition();
|
|
|
|
const lastChart = this.value.substring(point - 1, point);
|
|
|
|
this.insertContent('**');
|
|
|
|
if (lastChart != '\n' && this.value != '') {
|
|
|
|
this.setCaretPosition(point + 1);
|
|
|
|
} else {
|
|
|
|
this.setCaretPosition(point + 1);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
insertBg() { // 背景色
|
|
|
|
const textareaDom = this.$refs.textarea;
|
|
|
|
const point = this.getCursortPosition();
|
|
|
|
const lastChart = this.value.substring(point - 1, point);
|
|
|
|
this.insertContent('====');
|
|
|
|
if (lastChart != '\n' && this.value != '') {
|
|
|
|
this.setCaretPosition(point + 5);
|
|
|
|
} else {
|
|
|
|
this.setCaretPosition(point + 5);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
insertUnderline() { // 下划线
|
|
|
|
const textareaDom = this.$refs.textarea;
|
|
|
|
const point = this.getCursortPosition();
|
|
|
|
const lastChart = this.value.substring(point - 1, point);
|
|
|
|
this.insertContent('<u></u>');
|
|
|
|
if (lastChart != '\n' && this.value != '') {
|
|
|
|
this.setCaretPosition(point + 3);
|
|
|
|
} else {
|
|
|
|
this.setCaretPosition(point + 5);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
insertOverline() { // overline
|
|
|
|
const textareaDom = this.$refs.textarea;
|
|
|
|
const point = this.getCursortPosition();
|
|
|
|
const lastChart = this.value.substring(point - 1, point);
|
|
|
|
this.insertContent('~~~~');
|
|
|
|
if (lastChart != '\n' && this.value != '') {
|
|
|
|
this.setCaretPosition(point + 2);
|
|
|
|
} else {
|
|
|
|
this.setCaretPosition(point + 2);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
insertTitle(level) { // 插入标题
|
|
|
|
const titleLevel = {
|
|
|
|
1 : '# ',
|
|
|
|
2 : '## ',
|
|
|
|
3 : '### ',
|
|
|
|
4 : '#### ',
|
|
|
|
5 : '##### ',
|
|
|
|
6 : '###### '
|
|
|
|
};
|
|
|
|
this.insertContent(titleLevel[level]);
|
|
|
|
},
|
2018-08-24 09:52:19 +08:00
|
|
|
save(e) { // ctrl+s 保存
|
2018-08-23 15:11:31 +08:00
|
|
|
e.preventDefault();
|
2018-08-23 16:24:03 +08:00
|
|
|
this.handleSave();
|
|
|
|
},
|
2018-08-24 09:52:19 +08:00
|
|
|
tab(e) { // 屏蔽teatarea tab默认事件
|
|
|
|
this.insertContent(' ', this);
|
|
|
|
if (e.preventDefault) {
|
|
|
|
e.preventDefault();
|
|
|
|
} else {
|
|
|
|
e.returnValue = false;
|
|
|
|
}
|
|
|
|
},
|
|
|
|
handleSave() { // 保存操作
|
2018-08-23 15:11:31 +08:00
|
|
|
this.$emit('on-save', {
|
|
|
|
markdownValue : this.value,
|
|
|
|
htmlValue : this.previewMarkdown,
|
2018-08-23 16:24:03 +08:00
|
|
|
theme : this.theme
|
2018-08-23 15:11:31 +08:00
|
|
|
});
|
|
|
|
},
|
|
|
|
insertLine() { // 插入分割线
|
|
|
|
this.insertContent(`\n----\n`);
|
|
|
|
},
|
|
|
|
toggleSlideDown() { // 显示主题选项
|
|
|
|
this.slideDown = ! this.slideDown;
|
|
|
|
},
|
|
|
|
setThemes(name) { // 设置主题
|
|
|
|
this.themeName = name;
|
|
|
|
this.slideDown = false;
|
|
|
|
},
|
|
|
|
enter(e) { // 回车事件
|
|
|
|
const {lastInsert} = this;
|
|
|
|
const list = ['- ', '1. ', '- [ ] ', '- [x] ']
|
|
|
|
if (list.includes(lastInsert)) {
|
|
|
|
this.insertContent(lastInsert);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
onDelete() { // 删除时,以回车为界分割,如果数组最后一个元素为''时,将行一次插入的共嗯那个置为空,避免回车时再次插入
|
|
|
|
const lines = this.value.split('\n');
|
|
|
|
if (lines[lines.length - 1] == '') {
|
|
|
|
this.lastInsert = '';
|
|
|
|
}
|
|
|
|
},
|
|
|
|
print() { // 打印文件
|
|
|
|
const dom = this.$refs.preview;
|
|
|
|
Print(dom);
|
2018-08-23 16:24:03 +08:00
|
|
|
},
|
|
|
|
addListener() { // 事件监听,阻止保存
|
2018-08-24 09:52:19 +08:00
|
|
|
this.removeListener();
|
|
|
|
document.addEventListener('keydown',this.listener)
|
|
|
|
},
|
|
|
|
removeListener(){
|
|
|
|
document.removeEventListener('keydown',this.listener)
|
|
|
|
},
|
|
|
|
listener(e){
|
2018-08-29 09:36:14 +08:00
|
|
|
if (e.keyCode === 83) {
|
|
|
|
if( e.metaKey||e.ctrlKey){
|
|
|
|
e.preventDefault();
|
|
|
|
this.handleSave();
|
|
|
|
}
|
2018-08-24 09:52:19 +08:00
|
|
|
}
|
2018-08-23 15:11:31 +08:00
|
|
|
}
|
|
|
|
},
|
|
|
|
watch : {
|
|
|
|
value() {
|
|
|
|
clearTimeout(this.timeoutId);
|
2018-08-23 16:24:03 +08:00
|
|
|
this.timeoutId = setTimeout(() => {
|
|
|
|
this.previewMarkdown = marked(this.value, {
|
|
|
|
sanitize : true
|
|
|
|
});
|
|
|
|
}, 30)
|
2018-08-23 15:11:31 +08:00
|
|
|
this.indexLenth = this.value.split('\n').length;
|
|
|
|
const height_1 = this.indexLenth * 22;
|
|
|
|
const height_2 = this.$refs.textarea.scrollHeight;
|
|
|
|
const height_3 = this.$refs.preview.scrollHeight;
|
|
|
|
this.scrollHeight = Math.max(height_1, height_2, height_3);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
destroyed() { // 销毁时清除定时器
|
|
|
|
clearInterval(this.timerId);
|
|
|
|
}
|
|
|
|
};
|