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editormd.amd.js
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/*
* Editor.md
*
* @file editormd.amd.js
* @version v2.0.1
* @description Open source online markdown editor.
* @license MIT License
* @author Pandao
* {@link https://github.com/pandao/editor.md}
* @updateTime 2018-03-29
*/
;(function(factory) {
"use strict"
// CommonJS/Node.js
if (
typeof require === "function" &&
typeof exports === "object" &&
typeof module === "object"
) {
module.exports = factory
} else if (typeof define === "function") {
// AMD/CMD/Sea.js
if (define.amd) {
// for Require.js
var cmModePath = "codemirror/mode/";
var cmAddonPath = "codemirror/addon/";
var codeMirrorModules = [
"jquery", "marked", "prettify",
"katex", "raphael", "underscore", "flowchart", "jqueryflowchart", "sequenceDiagram",
"codemirror/lib/codemirror",
cmModePath + "css/css",
cmModePath + "sass/sass",
cmModePath + "shell/shell",
cmModePath + "sql/sql",
cmModePath + "clike/clike",
cmModePath + "php/php",
cmModePath + "xml/xml",
cmModePath + "markdown/markdown",
cmModePath + "javascript/javascript",
cmModePath + "htmlmixed/htmlmixed",
cmModePath + "gfm/gfm",
cmModePath + "http/http",
cmModePath + "go/go",
cmModePath + "dart/dart",
cmModePath + "coffeescript/coffeescript",
cmModePath + "nginx/nginx",
cmModePath + "python/python",
cmModePath + "perl/perl",
cmModePath + "lua/lua",
cmModePath + "r/r",
cmModePath + "ruby/ruby",
cmModePath + "rst/rst",
cmModePath + "smartymixed/smartymixed",
cmModePath + "vb/vb",
cmModePath + "vbscript/vbscript",
cmModePath + "velocity/velocity",
cmModePath + "xquery/xquery",
cmModePath + "yaml/yaml",
cmModePath + "erlang/erlang",
cmModePath + "jade/jade",
cmAddonPath + "edit/trailingspace",
cmAddonPath + "dialog/dialog",
cmAddonPath + "search/searchcursor",
cmAddonPath + "search/search",
cmAddonPath + "scroll/annotatescrollbar",
cmAddonPath + "search/matchesonscrollbar",
cmAddonPath + "display/placeholder",
cmAddonPath + "edit/closetag",
cmAddonPath + "fold/foldcode",
cmAddonPath + "fold/foldgutter",
cmAddonPath + "fold/indent-fold",
cmAddonPath + "fold/brace-fold",
cmAddonPath + "fold/xml-fold",
cmAddonPath + "fold/markdown-fold",
cmAddonPath + "fold/comment-fold",
cmAddonPath + "mode/overlay",
cmAddonPath + "selection/active-line",
cmAddonPath + "edit/closebrackets",
cmAddonPath + "display/fullscreen",
cmAddonPath + "search/match-highlighter"
];
define(codeMirrorModules, factory);
} else {
define(["jquery"], factory) // for Sea.js
}
} else {
window.editormd = factory()
}
})(function() {
if (typeof define == "function" && define.amd) {
$ = arguments[0];
marked = arguments[1];
prettify = arguments[2];
katex = arguments[3];
Raphael = arguments[4];
_ = arguments[5];
flowchart = arguments[6];
CodeMirror = arguments[9];
}
"use strict"
var $ = typeof jQuery !== "undefined" ? jQuery : Zepto
if (typeof $ === "undefined") {
return
}
/**
* editormd
*
* @param {String} id 编辑器的ID
* @param {Object} options 配置选项 Key/Value
* @returns {Object} editormd 返回editormd对象
*/
var editormd = function(id, options) {
return new editormd.fn.init(id, options)
}
editormd.title = editormd.$name = "Editor.md"
editormd.version = "1.5.0"
editormd.homePage = "https://pandao.github.io/editor.md/"
editormd.classPrefix = "editormd-"
editormd.toolbarModes = {
full: [
"undo",
"redo",
"|",
"bold",
"del",
"italic",
"quote",
"ucwords",
"uppercase",
"lowercase",
"|",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"|",
"list-ul",
"list-ol",
"hr",
"|",
"link",
"reference-link",
"image",
"code",
"preformatted-text",
"code-block",
"table",
"datetime",
"emoji",
"html-entities",
"pagebreak",
"|",
"goto-line",
"watch",
"preview",
"fullscreen",
"clear",
"search",
"|",
"help",
"info"
],
simple: [
"undo",
"redo",
"|",
"bold",
"del",
"italic",
"quote",
"uppercase",
"lowercase",
"|",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"|",
"list-ul",
"list-ol",
"hr",
"|",
"watch",
"preview",
"fullscreen",
"|",
"help",
"info"
],
mini: ["undo", "redo", "|", "watch", "preview", "|", "help", "info"]
}
editormd.defaults = {
mode: "gfm", //gfm or markdown
name: "", // Form element name
value: "", // value for CodeMirror, if mode not gfm/markdown
theme: "", // Editor.md self themes, before v1.5.0 is CodeMirror theme, default empty
editorTheme: "default", // Editor area, this is CodeMirror theme at v1.5.0
previewTheme: "", // Preview area theme, default empty
markdown: "", // Markdown source code
appendMarkdown: "", // if in init textarea value not empty, append markdown to textarea
width: "100%",
height: "100%",
path: "./lib/", // Dependents module file directory
pluginPath: "", // If this empty, default use settings.path + "../plugins/"
delay: 300, // Delay parse markdown to html, Uint : ms
autoLoadModules: true, // Automatic load dependent module files
watch: true,
placeholder: "Enjoy Markdown! coding now...",
gotoLine: true,
codeFold: false,
autoHeight: false,
minHeight: "150px",
maxHeight: "none", // default "none"
autoFocus: true,
autoCloseTags: true,
searchReplace: true,
syncScrolling: true, // true | false | "single", default true
readOnly: false,
tabSize: 4,
indentUnit: 4,
lineNumbers: true,
lineWrapping: true,
autoCloseBrackets: true,
showTrailingSpace: true,
matchBrackets: true,
indentWithTabs: true,
styleSelectedText: true,
matchWordHighlight: true, // options: true, false, "onselected"
styleActiveLine: true, // Highlight the current line
dialogLockScreen: true,
dialogShowMask: true,
dialogDraggable: true,
dialogMaskBgColor: "#fff",
dialogMaskOpacity: 0.1,
fontSize: "13px",
saveHTMLToTextarea: false,
disabledKeyMaps: [],
onload: function() {},
onresize: function() {},
onchange: function() {},
onwatch: null,
onunwatch: null,
onpreviewing: function() {},
onpreviewed: function() {},
onfullscreen: function() {},
onfullscreenExit: function() {},
onscroll: function() {},
onpreviewscroll: function() {},
imageUpload: false,
imageFormats: ["jpg", "jpeg", "gif", "png", "bmp", "webp"],
imageUploadURL: "",
crossDomainUpload: false,
uploadCallbackURL: "",
toc: true, // Table of contents
tocm: false, // Using [TOCM], auto create ToC dropdown menu
tocTitle: "", // for ToC dropdown menu btn
tocDropdown: false,
tocContainer: "",
tocStartLevel: 1, // Said from H1 to create ToC
htmlDecode: false, // Open the HTML tag identification
pageBreak: true, // Enable parse page break [========]
atLink: true, // for @link
emailLink: true, // for email address auto link
taskList: false, // Enable Github Flavored Markdown task lists
emoji: false, // :emoji: , Support Github emoji, Twitter Emoji (Twemoji);
// Support FontAwesome icon emoji :fa-xxx: > Using fontAwesome icon web fonts;
// Support Editor.md logo icon emoji :editormd-logo: :editormd-logo-1x: > 1~8x;
tex: false, // TeX(LaTeX), based on KaTeX
flowChart: false, // flowChart.js only support IE9+
sequenceDiagram: false, // sequenceDiagram.js only support IE9+
previewCodeHighlight: true,
toolbar: true, // show/hide toolbar
toolbarAutoFixed: true, // on window scroll auto fixed position
toolbarIcons: "full",
toolbarTitles: {},
toolbarHandlers: {
ucwords: function() {
return editormd.toolbarHandlers.ucwords
},
lowercase: function() {
return editormd.toolbarHandlers.lowercase
}
},
toolbarCustomIcons: {
// using html tag create toolbar icon, unused default <a> tag.
lowercase:
'<a href="javascript:;" title="Lowercase" unselectable="on"><i class="fa" name="lowercase" style="font-size:24px;margin-top: -10px;">a</i></a>',
ucwords:
'<a href="javascript:;" title="ucwords" unselectable="on"><i class="fa" name="ucwords" style="font-size:20px;margin-top: -3px;">Aa</i></a>'
},
toolbarIconsClass: {
undo: "fa-undo",
redo: "fa-repeat",
bold: "fa-bold",
del: "fa-strikethrough",
italic: "fa-italic",
quote: "fa-quote-left",
uppercase: "fa-font",
h1: editormd.classPrefix + "bold",
h2: editormd.classPrefix + "bold",
h3: editormd.classPrefix + "bold",
h4: editormd.classPrefix + "bold",
h5: editormd.classPrefix + "bold",
h6: editormd.classPrefix + "bold",
"list-ul": "fa-list-ul",
"list-ol": "fa-list-ol",
hr: "fa-minus",
link: "fa-link",
"reference-link": "fa-anchor",
image: "fa-picture-o",
code: "fa-code",
"preformatted-text": "fa-file-code-o",
"code-block": "fa-file-code-o",
table: "fa-table",
datetime: "fa-clock-o",
emoji: "fa-smile-o",
"html-entities": "fa-copyright",
pagebreak: "fa-newspaper-o",
"goto-line": "fa-terminal", // fa-crosshairs
watch: "fa-eye-slash",
unwatch: "fa-eye",
preview: "fa-desktop",
search: "fa-search",
fullscreen: "fa-arrows-alt",
clear: "fa-eraser",
help: "fa-question-circle",
info: "fa-info-circle"
},
toolbarIconTexts: {},
lang: {
name: "zh-cn",
description:
"开源在线Markdown编辑器<br/>Open source online Markdown editor.",
tocTitle: "目录",
toolbar: {
undo: "撤销（Ctrl+Z）",
redo: "重做（Ctrl+Y）",
bold: "粗体",
del: "删除线",
italic: "斜体",
quote: "引用",
ucwords: "将每个单词首字母转成大写",
uppercase: "将所选转换成大写",
lowercase: "将所选转换成小写",
h1: "标题1",
h2: "标题2",
h3: "标题3",
h4: "标题4",
h5: "标题5",
h6: "标题6",
"list-ul": "无序列表",
"list-ol": "有序列表",
hr: "横线",
link: "链接",
"reference-link": "引用链接",
image: "添加图片",
code: "行内代码",
"preformatted-text": "预格式文本 / 代码块（缩进风格）",
"code-block": "代码块（多语言风格）",
table: "添加表格",
datetime: "日期时间",
emoji: "Emoji表情",
"html-entities": "HTML实体字符",
pagebreak: "插入分页符",
"goto-line": "跳转到行",
watch: "关闭实时预览",
unwatch: "开启实时预览",
preview: "全窗口预览HTML（按 Shift + ESC还原）",
fullscreen: "全屏（按ESC还原）",
clear: "清空",
search: "搜索",
help: "使用帮助",
info: "关于" + editormd.title
},
buttons: {
enter: "确定",
cancel: "取消",
close: "关闭"
},
dialog: {
link: {
title: "添加链接",
url: "链接地址",
urlTitle: "链接标题",
urlEmpty: "错误：请填写链接地址。"
},
referenceLink: {
title: "添加引用链接",
name: "引用名称",
url: "链接地址",
urlId: "链接ID",
urlTitle: "链接标题",
nameEmpty: "错误：引用链接的名称不能为空。",
idEmpty: "错误：请填写引用链接的ID。",
urlEmpty: "错误：请填写引用链接的URL地址。"
},
image: {
title: "添加图片",
url: "图片地址",
link: "图片链接",
alt: "图片描述",
uploadButton: "本地上传",
imageURLEmpty: "错误：图片地址不能为空。",
uploadFileEmpty: "错误：上传的图片不能为空。",
formatNotAllowed:
"错误：只允许上传图片文件，允许上传的图片文件格式有："
},
preformattedText: {
title: "添加预格式文本或代码块",
emptyAlert: "错误：请填写预格式文本或代码的内容。"
},
codeBlock: {
title: "添加代码块",
selectLabel: "代码语言：",
selectDefaultText: "请选择代码语言",
otherLanguage: "其他语言",
unselectedLanguageAlert: "错误：请选择代码所属的语言类型。",
codeEmptyAlert: "错误：请填写代码内容。"
},
htmlEntities: {
title: "HTML 实体字符"
},
help: {
title: "使用帮助"
}
}
}
}
editormd.classNames = {
tex: editormd.classPrefix + "tex"
}
editormd.dialogZindex = 99999
editormd.$katex = null
editormd.$marked = null
editormd.$CodeMirror = null
editormd.$prettyPrint = null
var timer, flowchartTimer
editormd.prototype = editormd.fn = {
state: {
watching: false,
loaded: false,
preview: false,
fullscreen: false
},
/**
* 构造函数/实例初始化
* Constructor / instance initialization
*
* @param {String} id 编辑器的ID
* @param {Object} [options={}] 配置选项 Key/Value
* @returns {editormd} 返回editormd的实例对象
*/
init: function(id, options) {
options = options || {}
if (typeof id === "object") {
options = id
}
var _this = this
var classPrefix = (this.classPrefix = editormd.classPrefix)
var settings = (this.settings = $.extend(
true,
editormd.defaults,
options
))
id = typeof id === "object" ? settings.id : id
var editor = (this.editor = $("#" + id))
this.id = id
this.lang = settings.lang
var classNames = (this.classNames = {
textarea: {
html: classPrefix + "html-textarea",
markdown: classPrefix + "markdown-textarea"
}
})
settings.pluginPath =
settings.pluginPath === ""
? settings.path + "../plugins/"
: settings.pluginPath
this.state.watching = settings.watch ? true : false
if (!editor.hasClass("editormd")) {
editor.addClass("editormd")
}
editor.css({
width:
typeof settings.width === "number"
? settings.width + "px"
: settings.width,
height:
typeof settings.height === "number"
? settings.height + "px"
: settings.height
})
if (settings.autoHeight) {
editor.css({
height: "auto",
minHeight: settings.minHeight
})
}
var markdownTextarea = (this.markdownTextarea = editor.children(
"textarea"
))
if (markdownTextarea.length < 1) {
editor.append("<textarea></textarea>")
markdownTextarea = this.markdownTextarea = editor.children("textarea")
}
markdownTextarea
.addClass(classNames.textarea.markdown)
.attr("placeholder", settings.placeholder)
if (
typeof markdownTextarea.attr("name") === "undefined" ||
markdownTextarea.attr("name") === ""
) {
markdownTextarea.attr(
"name",
settings.name !== "" ? settings.name : id + "-markdown-doc"
)
}
var appendElements = [
!settings.readOnly
? '<a href="javascript:;" class="fa fa-close ' +
classPrefix +
'preview-close-btn"></a>'
: "",
settings.saveHTMLToTextarea
? '<textarea class="' +
classNames.textarea.html +
'" name="' +
id +
'-html-code"></textarea>'
: "",
'<div class="' +
classPrefix +
'preview"><div class="markdown-body ' +
classPrefix +
'preview-container"></div></div>',
'<div class="' +
classPrefix +
'container-mask" style="display:block;"></div>',
'<div class="' + classPrefix + 'mask"></div>'
].join("\n")
editor.append(appendElements).addClass(classPrefix + "vertical")
if (settings.theme !== "") {
editor.addClass(classPrefix + "theme-" + settings.theme)
}
this.mask = editor.children("." + classPrefix + "mask")
this.containerMask = editor.children("." + classPrefix + "container-mask")
if (settings.markdown !== "") {
markdownTextarea.val(settings.markdown)
}
if (settings.appendMarkdown !== "") {
markdownTextarea.val(markdownTextarea.val() + settings.appendMarkdown)
}
this.htmlTextarea = editor.children("." + classNames.textarea.html)
this.preview = editor.children("." + classPrefix + "preview")
this.previewContainer = this.preview.children(
"." + classPrefix + "preview-container"
)
if (settings.previewTheme !== "") {
this.preview.addClass(
classPrefix + "preview-theme-" + settings.previewTheme
)
}
if (typeof define === "function" && define.amd) {
if (typeof katex !== "undefined") {
editormd.$katex = katex
}
if (settings.searchReplace && !settings.readOnly) {
editormd.loadCSS(settings.path + "codemirror/addon/dialog/dialog")
editormd.loadCSS(
settings.path + "codemirror/addon/search/matchesonscrollbar"
)
}
}
if (
(typeof define === "function" && define.amd) ||
!settings.autoLoadModules
) {
if (typeof CodeMirror !== "undefined") {
editormd.$CodeMirror = CodeMirror
}
if (typeof marked !== "undefined") {
editormd.$marked = marked
}
this.setCodeMirror()
.setToolbar()
.loadedDisplay()
} else {
this.loadQueues()
}
return this
},
/**
* 所需组件加载队列
* Required components loading queue
*
* @returns {editormd} 返回editormd的实例对象
*/
loadQueues: function() {
var _this = this
var settings = this.settings
var loadPath = settings.path
var loadFlowChartOrSequenceDiagram = function() {
if (editormd.isIE8) {
_this.loadedDisplay()
return
}
if (settings.flowChart || settings.sequenceDiagram) {
editormd.loadScript(loadPath + "raphael.min", function() {
editormd.loadScript(loadPath + "underscore.min", function() {
if (!settings.flowChart && settings.sequenceDiagram) {
editormd.loadScript(
loadPath + "sequence-diagram.min",
function() {
_this.loadedDisplay()
}
)
} else if (settings.flowChart && !settings.sequenceDiagram) {
editormd.loadScript(loadPath + "flowchart.min", function() {
editormd.loadScript(
loadPath + "jquery.flowchart.min",
function() {
_this.loadedDisplay()
}
)
})
} else if (settings.flowChart && settings.sequenceDiagram) {
editormd.loadScript(loadPath + "flowchart.min", function() {
editormd.loadScript(
loadPath + "jquery.flowchart.min",
function() {
editormd.loadScript(
loadPath + "sequence-diagram.min",
function() {
_this.loadedDisplay()
}
)
}
)
})
}
})
})
} else {
_this.loadedDisplay()
}
}
editormd.loadCSS(loadPath + "codemirror/codemirror.min")
if (settings.searchReplace && !settings.readOnly) {
editormd.loadCSS(loadPath + "codemirror/addon/dialog/dialog")
editormd.loadCSS(
loadPath + "codemirror/addon/search/matchesonscrollbar"
)
}
if (settings.codeFold) {
editormd.loadCSS(loadPath + "codemirror/addon/fold/foldgutter")
}
editormd.loadScript(loadPath + "codemirror/codemirror.min", function() {
editormd.$CodeMirror = CodeMirror
editormd.loadScript(loadPath + "codemirror/modes.min", function() {
editormd.loadScript(loadPath + "codemirror/addons.min", function() {
_this.setCodeMirror()
if (settings.mode !== "gfm" && settings.mode !== "markdown") {
_this.loadedDisplay()
return false
}
_this.setToolbar()
editormd.loadScript(loadPath + "marked.min", function() {
editormd.$marked = marked
if (settings.previewCodeHighlight) {
editormd.loadScript(loadPath + "prettify.min", function() {
loadFlowChartOrSequenceDiagram()
})
} else {
loadFlowChartOrSequenceDiagram()
}
})
})
})
})
return this
},
/**
* 设置 Editor.md 的整体主题，主要是工具栏
* Setting Editor.md theme
*
* @returns {editormd} 返回editormd的实例对象
*/
setTheme: function(theme) {
var editor = this.editor
var oldTheme = this.settings.theme
var themePrefix = this.classPrefix + "theme-"
editor.removeClass(themePrefix + oldTheme).addClass(themePrefix + theme)
this.settings.theme = theme
return this
},
/**
* 设置 CodeMirror（编辑区）的主题
* Setting CodeMirror (Editor area) theme
*
* @returns {editormd} 返回editormd的实例对象
*/
setEditorTheme: function(theme) {
var settings = this.settings
settings.editorTheme = theme
if (theme !== "default") {
editormd.loadCSS(
settings.path + "codemirror/theme/" + settings.editorTheme
)
}
this.cm.setOption("theme", theme)
return this
},
/**
* setEditorTheme() 的别名
* setEditorTheme() alias
*
* @returns {editormd} 返回editormd的实例对象
*/
setCodeMirrorTheme: function(theme) {
this.setEditorTheme(theme)
return this
},
/**
* 设置 Editor.md 的主题
* Setting Editor.md theme
*
* @returns {editormd} 返回editormd的实例对象
*/
setPreviewTheme: function(theme) {
var preview = this.preview
var oldTheme = this.settings.previewTheme
var themePrefix = this.classPrefix + "preview-theme-"
preview.removeClass(themePrefix + oldTheme).addClass(themePrefix + theme)
this.settings.previewTheme = theme
return this
},
/**
* 配置和初始化CodeMirror组件
* CodeMirror initialization
*
* @returns {editormd} 返回editormd的实例对象
*/
setCodeMirror: function() {
var settings = this.settings
var editor = this.editor
if (settings.editorTheme !== "default") {
editormd.loadCSS(
settings.path + "codemirror/theme/" + settings.editorTheme
)
}
var codeMirrorConfig = {
mode: settings.mode,
theme: settings.editorTheme,
tabSize: settings.tabSize,
dragDrop: false,
autofocus: settings.autoFocus,
autoCloseTags: settings.autoCloseTags,
readOnly: settings.readOnly ? "nocursor" : false,
indentUnit: settings.indentUnit,
lineNumbers: settings.lineNumbers,
lineWrapping: settings.lineWrapping,
extraKeys: {
"Ctrl-Q": function(cm) {
cm.foldCode(cm.getCursor())
}
},
foldGutter: settings.codeFold,
gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"],
matchBrackets: settings.matchBrackets,
indentWithTabs: settings.indentWithTabs,
styleActiveLine: settings.styleActiveLine,
styleSelectedText: settings.styleSelectedText,
autoCloseBrackets: settings.autoCloseBrackets,
showTrailingSpace: settings.showTrailingSpace,
highlightSelectionMatches: !settings.matchWordHighlight
? false
: {
showToken:
settings.matchWordHighlight === "onselected" ? false : /\w/
}
}
this.codeEditor = this.cm = editormd.$CodeMirror.fromTextArea(
this.markdownTextarea[0],
codeMirrorConfig
)
this.codeMirror = this.cmElement = editor.children(".CodeMirror")
if (settings.value !== "") {
this.cm.setValue(settings.value)
}
this.codeMirror.css({
fontSize: settings.fontSize,
width: !settings.watch ? "100%" : "50%"
})
if (settings.autoHeight) {
this.codeMirror.css({
height: "auto",
minHeight: settings.minHeight,
maxHeight: settings.maxHeight
})
this.codeMirror.find(".CodeMirror-gutters").css({
minHeight: settings.minHeight
})
this.codeMirror.find(".CodeMirror-scroll").css({
minHeight: settings.minHeight,
maxHeight: settings.maxHeight
})
this.cm.setOption("viewportMargin", Infinity)
}
if (!settings.lineNumbers) {
this.codeMirror.find(".CodeMirror-gutters").css("border-right", "none")
}
return this
},
/**
* 获取CodeMirror的配置选项
* Get CodeMirror setting options
*
* @returns {Mixed} return CodeMirror setting option value
*/
getCodeMirrorOption: function(key) {
return this.cm.getOption(key)
},
/**
* 配置和重配置CodeMirror的选项
* CodeMirror setting options / resettings
*
* @returns {editormd} 返回editormd的实例对象
*/
setCodeMirrorOption: function(key, value) {
this.cm.setOption(key, value)
return this
},
/**
* 添加 CodeMirror 键盘快捷键
* Add CodeMirror keyboard shortcuts key map
*
* @returns {editormd} 返回editormd的实例对象
*/
addKeyMap: function(map, bottom) {
this.cm.addKeyMap(map, bottom)
return this
},
/**
* 移除 CodeMirror 键盘快捷键
* Remove CodeMirror keyboard shortcuts key map
*
* @returns {editormd} 返回editormd的实例对象
*/
removeKeyMap: function(map) {
this.cm.removeKeyMap(map)
return this
},
/**
* 跳转到指定的行
* Goto CodeMirror line
*
* @param {String|Intiger} line line number or "first"|"last"
* @returns {editormd} 返回editormd的实例对象
*/
gotoLine: function(line) {
var settings = this.settings
if (!settings.gotoLine) {
return this
}
var cm = this.cm
var editor = this.editor
var count = cm.lineCount()
var preview = this.preview
if (typeof line === "string") {
if (line === "last") {
line = count
}
if (line === "first") {
line = 1
}
}
if (typeof line !== "number") {
alert("Error: The line number must be an integer.")
return this
}
line = parseInt(line) - 1
if (line > count) {
alert("Error: The line number range 1-" + count)
return this
}
cm.setCursor({ line: line, ch: 0 })
var scrollInfo = cm.getScrollInfo()
var clientHeight = scrollInfo.clientHeight
var coords = cm.charCoords({ line: line, ch: 0 }, "local")
cm.scrollTo(null, (coords.top + coords.bottom - clientHeight) / 2)
if (settings.watch) {
var cmScroll = this.codeMirror.find(".CodeMirror-scroll")[0]
var height = $(cmScroll).height()
var scrollTop = cmScroll.scrollTop
var percent = scrollTop / cmScroll.scrollHeight
if (scrollTop === 0) {
preview.scrollTop(0)
} else if (scrollTop + height >= cmScroll.scrollHeight - 16) {
preview.scrollTop(preview[0].scrollHeight)
} else {
preview.scrollTop(preview[0].scrollHeight * percent)
}
}
cm.focus()
return this
},
/**
* 扩展当前实例对象，可同时设置多个或者只设置一个
* Extend editormd instance object, can mutil setting.
*
* @returns {editormd} this(editormd instance object.)
*/
extend: function() {
if (typeof arguments[1] !== "undefined") {
if (typeof arguments[1] === "function") {
arguments[1] = $.proxy(arguments[1], this)
}
this[arguments[0]] = arguments[1]
}
if (
typeof arguments[0] === "object" &&
typeof arguments[0].length === "undefined"
) {
$.extend(true, this, arguments[0])
}
return this
},
/**
* 设置或扩展当前实例对象，单个设置
* Extend editormd instance object, one by one
*
* @param {String|Object} key option key
* @param {String|Object} value option value
* @returns {editormd} this(editormd instance object.)
*/
set: function(key, value) {
if (typeof value !== "undefined" && typeof value === "function") {
value = $.proxy(value, this)