--- /dev/null
+/**
+ * EpicEditor - An Embeddable JavaScript Markdown Editor (https://github.com/OscarGodson/EpicEditor)
+ * Copyright (c) 2011-2012, Oscar Godson. (MIT Licensed)
+ */
+
+(function (window, undefined) {
+ /**
+ * Applies attributes to a DOM object
+ * @param {object} context The DOM obj you want to apply the attributes to
+ * @param {object} attrs A key/value pair of attributes you want to apply
+ * @returns {undefined}
+ */
+ function _applyAttrs(context, attrs) {
+ for (var attr in attrs) {
+ if (attrs.hasOwnProperty(attr)) {
+ context[attr] = attrs[attr];
+ }
+ }
+ }
+
+ /**
+ * Applies styles to a DOM object
+ * @param {object} context The DOM obj you want to apply the attributes to
+ * @param {object} attrs A key/value pair of attributes you want to apply
+ * @returns {undefined}
+ */
+ function _applyStyles(context, attrs) {
+ for (var attr in attrs) {
+ if (attrs.hasOwnProperty(attr)) {
+ context.style[attr] = attrs[attr];
+ }
+ }
+ }
+
+ /**
+ * Returns a DOM objects computed style
+ * @param {object} el The element you want to get the style from
+ * @param {string} styleProp The property you want to get from the element
+ * @returns {string} Returns a string of the value. If property is not set it will return a blank string
+ */
+ function _getStyle(el, styleProp) {
+ var x = el
+ , y = null;
+ if (window.getComputedStyle) {
+ y = document.defaultView.getComputedStyle(x, null).getPropertyValue(styleProp);
+ }
+ else if (x.currentStyle) {
+ y = x.currentStyle[styleProp];
+ }
+ return y;
+ }
+
+ /**
+ * Saves the current style state for the styles requested, then applies styles
+ * to overwrite the existing one. The old styles are returned as an object so
+ * you can pass it back in when you want to revert back to the old style
+ * @param {object} el The element to get the styles of
+ * @param {string} type Can be "save" or "apply". apply will just apply styles you give it. Save will write styles
+ * @param {object} styles Key/value style/property pairs
+ * @returns {object}
+ */
+ function _saveStyleState(el, type, styles) {
+ var returnState = {}
+ , style;
+ if (type === 'save') {
+ for (style in styles) {
+ if (styles.hasOwnProperty(style)) {
+ returnState[style] = _getStyle(el, style);
+ }
+ }
+ // After it's all done saving all the previous states, change the styles
+ _applyStyles(el, styles);
+ }
+ else if (type === 'apply') {
+ _applyStyles(el, styles);
+ }
+ return returnState;
+ }
+
+ /**
+ * Gets an elements total width including it's borders and padding
+ * @param {object} el The element to get the total width of
+ * @returns {int}
+ */
+ function _outerWidth(el) {
+ var b = parseInt(_getStyle(el, 'border-left-width'), 10) + parseInt(_getStyle(el, 'border-right-width'), 10)
+ , p = parseInt(_getStyle(el, 'padding-left'), 10) + parseInt(_getStyle(el, 'padding-right'), 10)
+ , w = el.offsetWidth
+ , t;
+ // For IE in case no border is set and it defaults to "medium"
+ if (isNaN(b)) { b = 0; }
+ t = b + p + w;
+ return t;
+ }
+
+ /**
+ * Gets an elements total height including it's borders and padding
+ * @param {object} el The element to get the total width of
+ * @returns {int}
+ */
+ function _outerHeight(el) {
+ var b = parseInt(_getStyle(el, 'border-top-width'), 10) + parseInt(_getStyle(el, 'border-bottom-width'), 10)
+ , p = parseInt(_getStyle(el, 'padding-top'), 10) + parseInt(_getStyle(el, 'padding-bottom'), 10)
+ , w = parseInt(_getStyle(el, 'height'), 10)
+ , t;
+ // For IE in case no border is set and it defaults to "medium"
+ if (isNaN(b)) { b = 0; }
+ t = b + p + w;
+ return t;
+ }
+
+ /**
+ * Inserts a <link> tag specifically for CSS
+ * @param {string} path The path to the CSS file
+ * @param {object} context In what context you want to apply this to (document, iframe, etc)
+ * @param {string} id An id for you to reference later for changing properties of the <link>
+ * @returns {undefined}
+ */
+ function _insertCSSLink(path, context, id) {
+ id = id || '';
+ var headID = context.getElementsByTagName("head")[0]
+ , cssNode = context.createElement('link');
+
+ _applyAttrs(cssNode, {
+ type: 'text/css'
+ , id: id
+ , rel: 'stylesheet'
+ , href: path
+ , name: path
+ , media: 'screen'
+ });
+
+ headID.appendChild(cssNode);
+ }
+
+ // Simply replaces a class (o), to a new class (n) on an element provided (e)
+ function _replaceClass(e, o, n) {
+ e.className = e.className.replace(o, n);
+ }
+
+ // Feature detects an iframe to get the inner document for writing to
+ function _getIframeInnards(el) {
+ return el.contentDocument || el.contentWindow.document;
+ }
+
+ // Grabs the text from an element and preserves whitespace
+ function _getText(el) {
+ var theText;
+ // Make sure to check for type of string because if the body of the page
+ // doesn't have any text it'll be "" which is falsey and will go into
+ // the else which is meant for Firefox and shit will break
+ if (typeof document.body.innerText == 'string') {
+ theText = el.innerText;
+ }
+ else {
+ // First replace <br>s before replacing the rest of the HTML
+ theText = el.innerHTML.replace(/<br>/gi, "\n");
+ // Now we can clean the HTML
+ theText = theText.replace(/<(?:.|\n)*?>/gm, '');
+ // Now fix HTML entities
+ theText = theText.replace(/</gi, '<');
+ theText = theText.replace(/>/gi, '>');
+ }
+ return theText;
+ }
+
+ function _setText(el, content) {
+ // Don't convert lt/gt characters as HTML when viewing the editor window
+ // TODO: Write a test to catch regressions for this
+ content = content.replace(/</g, '<');
+ content = content.replace(/>/g, '>');
+ content = content.replace(/\n/g, '<br>');
+
+ // Make sure to there aren't two spaces in a row (replace one with )
+ // If you find and replace every space with a text will not wrap.
+ // Hence the name (Non-Breaking-SPace).
+ // TODO: Probably need to test this somehow...
+ content = content.replace(/<br>\s/g, '<br> ')
+ content = content.replace(/\s\s\s/g, ' ')
+ content = content.replace(/\s\s/g, ' ')
+ content = content.replace(/^ /, ' ')
+
+ el.innerHTML = content;
+ return true;
+ }
+
+ /**
+ * Converts the 'raw' format of a file's contents into plaintext
+ * @param {string} content Contents of the file
+ * @returns {string} the sanitized content
+ */
+ function _sanitizeRawContent(content) {
+ // Get this, 2 spaces in a content editable actually converts to:
+ // 0020 00a0, meaning, "space no-break space". So, manually convert
+ // no-break spaces to spaces again before handing to marked.
+ // Also, WebKit converts no-break to unicode equivalent and FF HTML.
+ return content.replace(/\u00a0/g, ' ').replace(/ /g, ' ');
+ }
+
+ /**
+ * Will return the version number if the browser is IE. If not will return -1
+ * TRY NEVER TO USE THIS AND USE FEATURE DETECTION IF POSSIBLE
+ * @returns {Number} -1 if false or the version number if true
+ */
+ function _isIE() {
+ var rv = -1 // Return value assumes failure.
+ , ua = navigator.userAgent
+ , re;
+ if (navigator.appName == 'Microsoft Internet Explorer') {
+ re = /MSIE ([0-9]{1,}[\.0-9]{0,})/;
+ if (re.exec(ua) != null) {
+ rv = parseFloat(RegExp.$1, 10);
+ }
+ }
+ return rv;
+ }
+
+ /**
+ * Same as the isIE(), but simply returns a boolean
+ * THIS IS TERRIBLE AND IS ONLY USED BECAUSE FULLSCREEN IN SAFARI IS BORKED
+ * If some other engine uses WebKit and has support for fullscreen they
+ * probably wont get native fullscreen until Safari's fullscreen is fixed
+ * @returns {Boolean} true if Safari
+ */
+ function _isSafari() {
+ var n = window.navigator;
+ return n.userAgent.indexOf('Safari') > -1 && n.userAgent.indexOf('Chrome') == -1;
+ }
+
+ /**
+ * Same as the isIE(), but simply returns a boolean
+ * THIS IS TERRIBLE ONLY USE IF ABSOLUTELY NEEDED
+ * @returns {Boolean} true if Safari
+ */
+ function _isFirefox() {
+ var n = window.navigator;
+ return n.userAgent.indexOf('Firefox') > -1 && n.userAgent.indexOf('Seamonkey') == -1;
+ }
+
+ /**
+ * Determines if supplied value is a function
+ * @param {object} object to determine type
+ */
+ function _isFunction(functionToCheck) {
+ var getType = {};
+ return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
+ }
+
+ /**
+ * Overwrites obj1's values with obj2's and adds obj2's if non existent in obj1
+ * @param {boolean} [deepMerge=false] If true, will deep merge meaning it will merge sub-objects like {obj:obj2{foo:'bar'}}
+ * @param {object} first object
+ * @param {object} second object
+ * @returnss {object} a new object based on obj1 and obj2
+ */
+ function _mergeObjs() {
+ // copy reference to target object
+ var target = arguments[0] || {}
+ , i = 1
+ , length = arguments.length
+ , deep = false
+ , options
+ , name
+ , src
+ , copy
+
+ // Handle a deep copy situation
+ if (typeof target === "boolean") {
+ deep = target;
+ target = arguments[1] || {};
+ // skip the boolean and the target
+ i = 2;
+ }
+
+ // Handle case when target is a string or something (possible in deep copy)
+ if (typeof target !== "object" && !_isFunction(target)) {
+ target = {};
+ }
+ // extend jQuery itself if only one argument is passed
+ if (length === i) {
+ target = this;
+ --i;
+ }
+
+ for (; i < length; i++) {
+ // Only deal with non-null/undefined values
+ if ((options = arguments[i]) != null) {
+ // Extend the base object
+ for (name in options) {
+ // @NOTE: added hasOwnProperty check
+ if (options.hasOwnProperty(name)) {
+ src = target[name];
+ copy = options[name];
+ // Prevent never-ending loop
+ if (target === copy) {
+ continue;
+ }
+ // Recurse if we're merging object values
+ if (deep && copy && typeof copy === "object" && !copy.nodeType) {
+ target[name] = _mergeObjs(deep,
+ // Never move original objects, clone them
+ src || (copy.length != null ? [] : {})
+ , copy);
+ } else if (copy !== undefined) { // Don't bring in undefined values
+ target[name] = copy;
+ }
+ }
+ }
+ }
+ }
+
+ // Return the modified object
+ return target;
+ }
+
+ /**
+ * Initiates the EpicEditor object and sets up offline storage as well
+ * @class Represents an EpicEditor instance
+ * @param {object} options An optional customization object
+ * @returns {object} EpicEditor will be returned
+ */
+ function EpicEditor(options) {
+ // Default settings will be overwritten/extended by options arg
+ var self = this
+ , opts = options || {}
+ , _defaultFileSchema
+ , _defaultFile
+ , defaults = { container: 'epiceditor'
+ , basePath: 'epiceditor'
+ , textarea: undefined
+ , clientSideStorage: true
+ , localStorageName: 'epiceditor'
+ , useNativeFullscreen: true
+ , file: { name: null
+ , defaultContent: ''
+ , autoSave: 100 // Set to false for no auto saving
+ }
+ , theme: { base: '/themes/base/epiceditor.css'
+ , preview: '/themes/preview/github.css'
+ , editor: '/themes/editor/epic-dark.css'
+ }
+ , focusOnLoad: false
+ , shortcut: { modifier: 18 // alt keycode
+ , fullscreen: 70 // f keycode
+ , preview: 80 // p keycode
+ }
+ , string: { togglePreview: 'Toggle Preview Mode'
+ , toggleEdit: 'Toggle Edit Mode'
+ , toggleFullscreen: 'Enter Fullscreen'
+ }
+ , parser: typeof marked == 'function' ? marked : null
+ , autogrow: false
+ , button: { fullscreen: true
+ , preview: true
+ , bar: "auto"
+ }
+ }
+ , defaultStorage
+ , autogrowDefaults = { minHeight: 80
+ , maxHeight: false
+ , scroll: true
+ };
+
+ self.settings = _mergeObjs(true, defaults, opts);
+
+ var buttons = self.settings.button;
+ self._fullscreenEnabled = typeof(buttons) === 'object' ? typeof buttons.fullscreen === 'undefined' || buttons.fullscreen : buttons === true;
+ self._editEnabled = typeof(buttons) === 'object' ? typeof buttons.edit === 'undefined' || buttons.edit : buttons === true;
+ self._previewEnabled = typeof(buttons) === 'object' ? typeof buttons.preview === 'undefined' || buttons.preview : buttons === true;
+
+ if (!(typeof self.settings.parser == 'function' && typeof self.settings.parser('TEST') == 'string')) {
+ self.settings.parser = function (str) {
+ return str;
+ }
+ }
+
+ if (self.settings.autogrow) {
+ if (self.settings.autogrow === true) {
+ self.settings.autogrow = autogrowDefaults;
+ }
+ else {
+ self.settings.autogrow = _mergeObjs(true, autogrowDefaults, self.settings.autogrow);
+ }
+ self._oldHeight = -1;
+ }
+
+ // If you put an absolute link as the path of any of the themes ignore the basePath
+ // preview theme
+ if (!self.settings.theme.preview.match(/^https?:\/\//)) {
+ self.settings.theme.preview = self.settings.basePath + self.settings.theme.preview;
+ }
+ // editor theme
+ if (!self.settings.theme.editor.match(/^https?:\/\//)) {
+ self.settings.theme.editor = self.settings.basePath + self.settings.theme.editor;
+ }
+ // base theme
+ if (!self.settings.theme.base.match(/^https?:\/\//)) {
+ self.settings.theme.base = self.settings.basePath + self.settings.theme.base;
+ }
+
+ // Grab the container element and save it to self.element
+ // if it's a string assume it's an ID and if it's an object
+ // assume it's a DOM element
+ if (typeof self.settings.container == 'string') {
+ self.element = document.getElementById(self.settings.container);
+ }
+ else if (typeof self.settings.container == 'object') {
+ self.element = self.settings.container;
+ }
+
+ // Figure out the file name. If no file name is given we'll use the ID.
+ // If there's no ID either we'll use a namespaced file name that's incremented
+ // based on the calling order. As long as it doesn't change, drafts will be saved.
+ if (!self.settings.file.name) {
+ if (typeof self.settings.container == 'string') {
+ self.settings.file.name = self.settings.container;
+ }
+ else if (typeof self.settings.container == 'object') {
+ if (self.element.id) {
+ self.settings.file.name = self.element.id;
+ }
+ else {
+ if (!EpicEditor._data.unnamedEditors) {
+ EpicEditor._data.unnamedEditors = [];
+ }
+ EpicEditor._data.unnamedEditors.push(self);
+ self.settings.file.name = '__epiceditor-untitled-' + EpicEditor._data.unnamedEditors.length;
+ }
+ }
+ }
+
+ if (self.settings.button.bar === "show") {
+ self.settings.button.bar = true;
+ }
+
+ if (self.settings.button.bar === "hide") {
+ self.settings.button.bar = false;
+ }
+
+ // Protect the id and overwrite if passed in as an option
+ // TODO: Put underscrore to denote that this is private
+ self._instanceId = 'epiceditor-' + Math.round(Math.random() * 100000);
+ self._storage = {};
+ self._canSave = true;
+
+ // Setup local storage of files
+ self._defaultFileSchema = function () {
+ return {
+ content: self.settings.file.defaultContent
+ , created: new Date()
+ , modified: new Date()
+ }
+ }
+
+ if (localStorage && self.settings.clientSideStorage) {
+ this._storage = localStorage;
+ if (this._storage[self.settings.localStorageName] && self.getFiles(self.settings.file.name) === undefined) {
+ _defaultFile = self._defaultFileSchema();
+ _defaultFile.content = self.settings.file.defaultContent;
+ }
+ }
+
+ if (!this._storage[self.settings.localStorageName]) {
+ defaultStorage = {};
+ defaultStorage[self.settings.file.name] = self._defaultFileSchema();
+ defaultStorage = JSON.stringify(defaultStorage);
+ this._storage[self.settings.localStorageName] = defaultStorage;
+ }
+
+ // A string to prepend files with to save draft versions of files
+ // and reset all preview drafts on each load!
+ self._previewDraftLocation = '__draft-';
+ self._storage[self._previewDraftLocation + self.settings.localStorageName] = self._storage[self.settings.localStorageName];
+
+ // This needs to replace the use of classes to check the state of EE
+ self._eeState = {
+ fullscreen: false
+ , preview: false
+ , edit: false
+ , loaded: false
+ , unloaded: false
+ }
+
+ // Now that it exists, allow binding of events if it doesn't exist yet
+ if (!self.events) {
+ self.events = {};
+ }
+
+ return this;
+ }
+
+ /**
+ * Inserts the EpicEditor into the DOM via an iframe and gets it ready for editing and previewing
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.load = function (callback) {
+
+ // Get out early if it's already loaded
+ if (this.is('loaded')) { return this; }
+
+ // TODO: Gotta get the privates with underscores!
+ // TODO: Gotta document what these are for...
+ var self = this
+ , _HtmlTemplates
+ , iframeElement
+ , baseTag
+ , utilBtns
+ , utilBar
+ , utilBarTimer
+ , keypressTimer
+ , mousePos = { y: -1, x: -1 }
+ , _elementStates
+ , _isInEdit
+ , nativeFs = false
+ , nativeFsWebkit = false
+ , nativeFsMoz = false
+ , nativeFsW3C = false
+ , fsElement
+ , isMod = false
+ , isCtrl = false
+ , eventableIframes
+ , i // i is reused for loops
+ , boundAutogrow;
+
+ // Startup is a way to check if this EpicEditor is starting up. Useful for
+ // checking and doing certain things before EpicEditor emits a load event.
+ self._eeState.startup = true;
+
+ if (self.settings.useNativeFullscreen) {
+ nativeFsWebkit = document.body.webkitRequestFullScreen ? true : false;
+ nativeFsMoz = document.body.mozRequestFullScreen ? true : false;
+ nativeFsW3C = document.body.requestFullscreen ? true : false;
+ nativeFs = nativeFsWebkit || nativeFsMoz || nativeFsW3C;
+ }
+
+ // Fucking Safari's native fullscreen works terribly
+ // REMOVE THIS IF SAFARI 7 WORKS BETTER
+ if (_isSafari()) {
+ nativeFs = false;
+ nativeFsWebkit = false;
+ }
+
+ // It opens edit mode by default (for now);
+ if (!self.is('edit') && !self.is('preview')) {
+ self._eeState.edit = true;
+ }
+
+ callback = callback || function () {};
+
+ // The editor HTML
+ // TODO: edit-mode class should be dynamically added
+ _HtmlTemplates = {
+ // This is wrapping iframe element. It contains the other two iframes and the utilbar
+ chrome: '<div id="epiceditor-wrapper" class="epiceditor-edit-mode">' +
+ '<iframe frameborder="0" id="epiceditor-editor-frame"></iframe>' +
+ '<iframe frameborder="0" id="epiceditor-previewer-frame"></iframe>' +
+ '<div id="epiceditor-utilbar">' +
+ (self._previewEnabled ? '<button title="' + this.settings.string.togglePreview + '" class="epiceditor-toggle-btn epiceditor-toggle-preview-btn"></button> ' : '') +
+ (self._editEnabled ? '<button title="' + this.settings.string.toggleEdit + '" class="epiceditor-toggle-btn epiceditor-toggle-edit-btn"></button> ' : '') +
+ (self._fullscreenEnabled ? '<button title="' + this.settings.string.toggleFullscreen + '" class="epiceditor-fullscreen-btn"></button>' : '') +
+ '</div>' +
+ '</div>'
+
+ // The previewer is just an empty box for the generated HTML to go into
+ , previewer: '<div id="epiceditor-preview"></div>'
+ , editor: '<!doctype HTML>'
+ };
+
+ // Write an iframe and then select it for the editor
+ self.element.innerHTML = '<iframe scrolling="no" frameborder="0" id= "' + self._instanceId + '"></iframe>';
+
+ // Because browsers add things like invisible padding and margins and stuff
+ // to iframes, we need to set manually set the height so that the height
+ // doesn't keep increasing (by 2px?) every time reflow() is called.
+ // FIXME: Figure out how to fix this without setting this
+ self.element.style.height = self.element.offsetHeight + 'px';
+
+ iframeElement = document.getElementById(self._instanceId);
+
+ // Store a reference to the iframeElement itself
+ self.iframeElement = iframeElement;
+
+ // Grab the innards of the iframe (returns the document.body)
+ // TODO: Change self.iframe to self.iframeDocument
+ self.iframe = _getIframeInnards(iframeElement);
+ self.iframe.open();
+ self.iframe.write(_HtmlTemplates.chrome);
+
+ // Now that we got the innards of the iframe, we can grab the other iframes
+ self.editorIframe = self.iframe.getElementById('epiceditor-editor-frame')
+ self.previewerIframe = self.iframe.getElementById('epiceditor-previewer-frame');
+
+ // Setup the editor iframe
+ self.editorIframeDocument = _getIframeInnards(self.editorIframe);
+ self.editorIframeDocument.open();
+ // Need something for... you guessed it, Firefox
+ self.editorIframeDocument.write(_HtmlTemplates.editor);
+ self.editorIframeDocument.close();
+
+ // Setup the previewer iframe
+ self.previewerIframeDocument = _getIframeInnards(self.previewerIframe);
+ self.previewerIframeDocument.open();
+ self.previewerIframeDocument.write(_HtmlTemplates.previewer);
+
+ // Base tag is added so that links will open a new tab and not inside of the iframes
+ baseTag = self.previewerIframeDocument.createElement('base');
+ baseTag.target = '_blank';
+ self.previewerIframeDocument.getElementsByTagName('head')[0].appendChild(baseTag);
+
+ self.previewerIframeDocument.close();
+
+ self.reflow();
+
+ // Insert Base Stylesheet
+ _insertCSSLink(self.settings.theme.base, self.iframe, 'theme');
+
+ // Insert Editor Stylesheet
+ _insertCSSLink(self.settings.theme.editor, self.editorIframeDocument, 'theme');
+
+ // Insert Previewer Stylesheet
+ _insertCSSLink(self.settings.theme.preview, self.previewerIframeDocument, 'theme');
+
+ // Add a relative style to the overall wrapper to keep CSS relative to the editor
+ self.iframe.getElementById('epiceditor-wrapper').style.position = 'relative';
+
+ // Set the position to relative so we hide them with left: -999999px
+ self.editorIframe.style.position = 'absolute';
+ self.previewerIframe.style.position = 'absolute';
+
+ // Now grab the editor and previewer for later use
+ self.editor = self.editorIframeDocument.body;
+ self.previewer = self.previewerIframeDocument.getElementById('epiceditor-preview');
+
+ self.editor.contentEditable = true;
+
+ // Firefox's <body> gets all fucked up so, to be sure, we need to hardcode it
+ self.iframe.body.style.height = this.element.offsetHeight + 'px';
+
+ // Should actually check what mode it's in!
+ self.previewerIframe.style.left = '-999999px';
+
+ // Keep long lines from being longer than the editor
+ this.editorIframeDocument.body.style.wordWrap = 'break-word';
+
+ // FIXME figure out why it needs +2 px
+ if (_isIE() > -1) {
+ this.previewer.style.height = parseInt(_getStyle(this.previewer, 'height'), 10) + 2;
+ }
+
+ // If there is a file to be opened with that filename and it has content...
+ this.open(self.settings.file.name);
+
+ if (self.settings.focusOnLoad) {
+ // We need to wait until all three iframes are done loading by waiting until the parent
+ // iframe's ready state == complete, then we can focus on the contenteditable
+ self.iframe.addEventListener('readystatechange', function () {
+ if (self.iframe.readyState == 'complete') {
+ self.focus();
+ }
+ });
+ }
+
+ // Because IE scrolls the whole window to hash links, we need our own
+ // method of scrolling the iframe to an ID from clicking a hash
+ self.previewerIframeDocument.addEventListener('click', function (e) {
+ var el = e.target
+ , body = self.previewerIframeDocument.body;
+ if (el.nodeName == 'A') {
+ // Make sure the link is a hash and the link is local to the iframe
+ if (el.hash && el.hostname == window.location.hostname) {
+ // Prevent the whole window from scrolling
+ e.preventDefault();
+ // Prevent opening a new window
+ el.target = '_self';
+ // Scroll to the matching element, if an element exists
+ if (body.querySelector(el.hash)) {
+ body.scrollTop = body.querySelector(el.hash).offsetTop;
+ }
+ }
+ }
+ });
+
+ utilBtns = self.iframe.getElementById('epiceditor-utilbar');
+
+ // TODO: Move into fullscreen setup function (_setupFullscreen)
+ _elementStates = {}
+ self._goFullscreen = function (el) {
+ this._fixScrollbars('auto');
+
+ if (self.is('fullscreen')) {
+ self._exitFullscreen(el);
+ return;
+ }
+
+ if (nativeFs) {
+ if (nativeFsWebkit) {
+ el.webkitRequestFullScreen();
+ }
+ else if (nativeFsMoz) {
+ el.mozRequestFullScreen();
+ }
+ else if (nativeFsW3C) {
+ el.requestFullscreen();
+ }
+ }
+
+ _isInEdit = self.is('edit');
+
+ // Set the state of EE in fullscreen
+ // We set edit and preview to true also because they're visible
+ // we might want to allow fullscreen edit mode without preview (like a "zen" mode)
+ self._eeState.fullscreen = true;
+ self._eeState.edit = true;
+ self._eeState.preview = true;
+
+ // Cache calculations
+ var windowInnerWidth = window.innerWidth
+ , windowInnerHeight = window.innerHeight
+ , windowOuterWidth = window.outerWidth
+ , windowOuterHeight = window.outerHeight;
+
+ // Without this the scrollbars will get hidden when scrolled to the bottom in faux fullscreen (see #66)
+ if (!nativeFs) {
+ windowOuterHeight = window.innerHeight;
+ }
+
+ // This MUST come first because the editor is 100% width so if we change the width of the iframe or wrapper
+ // the editor's width wont be the same as before
+ _elementStates.editorIframe = _saveStyleState(self.editorIframe, 'save', {
+ 'width': windowOuterWidth / 2 + 'px'
+ , 'height': windowOuterHeight + 'px'
+ , 'float': 'left' // Most browsers
+ , 'cssFloat': 'left' // FF
+ , 'styleFloat': 'left' // Older IEs
+ , 'display': 'block'
+ , 'position': 'static'
+ , 'left': ''
+ });
+
+ // the previewer
+ _elementStates.previewerIframe = _saveStyleState(self.previewerIframe, 'save', {
+ 'width': windowOuterWidth / 2 + 'px'
+ , 'height': windowOuterHeight + 'px'
+ , 'float': 'right' // Most browsers
+ , 'cssFloat': 'right' // FF
+ , 'styleFloat': 'right' // Older IEs
+ , 'display': 'block'
+ , 'position': 'static'
+ , 'left': ''
+ });
+
+ // Setup the containing element CSS for fullscreen
+ _elementStates.element = _saveStyleState(self.element, 'save', {
+ 'position': 'fixed'
+ , 'top': '0'
+ , 'left': '0'
+ , 'width': '100%'
+ , 'z-index': '9999' // Most browsers
+ , 'zIndex': '9999' // Firefox
+ , 'border': 'none'
+ , 'margin': '0'
+ // Should use the base styles background!
+ , 'background': _getStyle(self.editor, 'background-color') // Try to hide the site below
+ , 'height': windowInnerHeight + 'px'
+ });
+
+ // The iframe element
+ _elementStates.iframeElement = _saveStyleState(self.iframeElement, 'save', {
+ 'width': windowOuterWidth + 'px'
+ , 'height': windowInnerHeight + 'px'
+ });
+
+ // ...Oh, and hide the buttons and prevent scrolling
+ utilBtns.style.visibility = 'hidden';
+
+ if (!nativeFs) {
+ document.body.style.overflow = 'hidden';
+ }
+
+ self.preview();
+
+ self.focus();
+
+ self.emit('fullscreenenter');
+ };
+
+ self._exitFullscreen = function (el) {
+ this._fixScrollbars();
+
+ _saveStyleState(self.element, 'apply', _elementStates.element);
+ _saveStyleState(self.iframeElement, 'apply', _elementStates.iframeElement);
+ _saveStyleState(self.editorIframe, 'apply', _elementStates.editorIframe);
+ _saveStyleState(self.previewerIframe, 'apply', _elementStates.previewerIframe);
+
+ // We want to always revert back to the original styles in the CSS so,
+ // if it's a fluid width container it will expand on resize and not get
+ // stuck at a specific width after closing fullscreen.
+ self.element.style.width = self._eeState.reflowWidth ? self._eeState.reflowWidth : '';
+ self.element.style.height = self._eeState.reflowHeight ? self._eeState.reflowHeight : '';
+
+ utilBtns.style.visibility = 'visible';
+
+ // Put the editor back in the right state
+ // TODO: This is ugly... how do we make this nicer?
+ // setting fullscreen to false here prevents the
+ // native fs callback from calling this function again
+ self._eeState.fullscreen = false;
+
+ if (!nativeFs) {
+ document.body.style.overflow = 'auto';
+ }
+ else {
+ if (nativeFsWebkit) {
+ document.webkitCancelFullScreen();
+ }
+ else if (nativeFsMoz) {
+ document.mozCancelFullScreen();
+ }
+ else if (nativeFsW3C) {
+ document.exitFullscreen();
+ }
+ }
+
+ if (_isInEdit) {
+ self.edit();
+ }
+ else {
+ self.preview();
+ }
+
+ self.reflow();
+
+ self.emit('fullscreenexit');
+ };
+
+ // This setups up live previews by triggering preview() IF in fullscreen on keyup
+ self.editor.addEventListener('keyup', function () {
+ if (keypressTimer) {
+ window.clearTimeout(keypressTimer);
+ }
+ keypressTimer = window.setTimeout(function () {
+ if (self.is('fullscreen')) {
+ self.preview();
+ }
+ }, 250);
+ });
+
+ fsElement = self.iframeElement;
+
+ // Sets up the onclick event on utility buttons
+ utilBtns.addEventListener('click', function (e) {
+ var targetClass = e.target.className;
+ if (targetClass.indexOf('epiceditor-toggle-preview-btn') > -1) {
+ self.preview();
+ }
+ else if (targetClass.indexOf('epiceditor-toggle-edit-btn') > -1) {
+ self.edit();
+ }
+ else if (targetClass.indexOf('epiceditor-fullscreen-btn') > -1) {
+ self._goFullscreen(fsElement);
+ }
+ });
+
+ // Sets up the NATIVE fullscreen editor/previewer for WebKit
+ if (nativeFsWebkit) {
+ document.addEventListener('webkitfullscreenchange', function () {
+ if (!document.webkitIsFullScreen && self._eeState.fullscreen) {
+ self._exitFullscreen(fsElement);
+ }
+ }, false);
+ }
+ else if (nativeFsMoz) {
+ document.addEventListener('mozfullscreenchange', function () {
+ if (!document.mozFullScreen && self._eeState.fullscreen) {
+ self._exitFullscreen(fsElement);
+ }
+ }, false);
+ }
+ else if (nativeFsW3C) {
+ document.addEventListener('fullscreenchange', function () {
+ if (document.fullscreenElement == null && self._eeState.fullscreen) {
+ self._exitFullscreen(fsElement);
+ }
+ }, false);
+ }
+
+ // TODO: Move utilBar stuff into a utilBar setup function (_setupUtilBar)
+ utilBar = self.iframe.getElementById('epiceditor-utilbar');
+
+ // Hide it at first until they move their mouse
+ if (self.settings.button.bar !== true) {
+ utilBar.style.display = 'none';
+ }
+
+ utilBar.addEventListener('mouseover', function () {
+ if (utilBarTimer) {
+ clearTimeout(utilBarTimer);
+ }
+ });
+
+ function utilBarHandler(e) {
+ if (self.settings.button.bar !== "auto") {
+ return;
+ }
+ // Here we check if the mouse has moves more than 5px in any direction before triggering the mousemove code
+ // we do this for 2 reasons:
+ // 1. On Mac OS X lion when you scroll and it does the iOS like "jump" when it hits the top/bottom of the page itll fire off
+ // a mousemove of a few pixels depending on how hard you scroll
+ // 2. We give a slight buffer to the user in case he barely touches his touchpad or mouse and not trigger the UI
+ if (Math.abs(mousePos.y - e.pageY) >= 5 || Math.abs(mousePos.x - e.pageX) >= 5) {
+ utilBar.style.display = 'block';
+ // if we have a timer already running, kill it out
+ if (utilBarTimer) {
+ clearTimeout(utilBarTimer);
+ }
+
+ // begin a new timer that hides our object after 1000 ms
+ utilBarTimer = window.setTimeout(function () {
+ utilBar.style.display = 'none';
+ }, 1000);
+ }
+ mousePos = { y: e.pageY, x: e.pageX };
+ }
+
+ // Add keyboard shortcuts for convenience.
+ function shortcutHandler(e) {
+ if (e.keyCode == self.settings.shortcut.modifier) { isMod = true } // check for modifier press(default is alt key), save to var
+ if (e.keyCode == 17) { isCtrl = true } // check for ctrl/cmnd press, in order to catch ctrl/cmnd + s
+
+ // Check for alt+p and make sure were not in fullscreen - default shortcut to switch to preview
+ if (isMod === true && e.keyCode == self.settings.shortcut.preview && !self.is('fullscreen')) {
+ e.preventDefault();
+ if (self.is('edit') && self._previewEnabled) {
+ self.preview();
+ }
+ else if (self._editEnabled) {
+ self.edit();
+ }
+ }
+ // Check for alt+f - default shortcut to make editor fullscreen
+ if (isMod === true && e.keyCode == self.settings.shortcut.fullscreen && self._fullscreenEnabled) {
+ e.preventDefault();
+ self._goFullscreen(fsElement);
+ }
+
+ // Set the modifier key to false once *any* key combo is completed
+ // or else, on Windows, hitting the alt key will lock the isMod state to true (ticket #133)
+ if (isMod === true && e.keyCode !== self.settings.shortcut.modifier) {
+ isMod = false;
+ }
+
+ // When a user presses "esc", revert everything!
+ if (e.keyCode == 27 && self.is('fullscreen')) {
+ self._exitFullscreen(fsElement);
+ }
+
+ // Check for ctrl + s (since a lot of people do it out of habit) and make it do nothing
+ if (isCtrl === true && e.keyCode == 83) {
+ self.save();
+ e.preventDefault();
+ isCtrl = false;
+ }
+
+ // Do the same for Mac now (metaKey == cmd).
+ if (e.metaKey && e.keyCode == 83) {
+ self.save();
+ e.preventDefault();
+ }
+
+ }
+
+ function shortcutUpHandler(e) {
+ if (e.keyCode == self.settings.shortcut.modifier) { isMod = false }
+ if (e.keyCode == 17) { isCtrl = false }
+ }
+
+ function pasteHandler(e) {
+ var content;
+ if (e.clipboardData) {
+ //FF 22, Webkit, "standards"
+ e.preventDefault();
+ content = e.clipboardData.getData("text/plain");
+ self.editorIframeDocument.execCommand("insertText", false, content);
+ }
+ else if (window.clipboardData) {
+ //IE, "nasty"
+ e.preventDefault();
+ content = window.clipboardData.getData("Text");
+ content = content.replace(/</g, '<');
+ content = content.replace(/>/g, '>');
+ content = content.replace(/\n/g, '<br>');
+ content = content.replace(/\r/g, ''); //fuck you, ie!
+ content = content.replace(/<br>\s/g, '<br> ')
+ content = content.replace(/\s\s\s/g, ' ')
+ content = content.replace(/\s\s/g, ' ')
+ self.editorIframeDocument.selection.createRange().pasteHTML(content);
+ }
+ }
+
+ // Hide and show the util bar based on mouse movements
+ eventableIframes = [self.previewerIframeDocument, self.editorIframeDocument];
+
+ for (i = 0; i < eventableIframes.length; i++) {
+ eventableIframes[i].addEventListener('mousemove', function (e) {
+ utilBarHandler(e);
+ });
+ eventableIframes[i].addEventListener('scroll', function (e) {
+ utilBarHandler(e);
+ });
+ eventableIframes[i].addEventListener('keyup', function (e) {
+ shortcutUpHandler(e);
+ });
+ eventableIframes[i].addEventListener('keydown', function (e) {
+ shortcutHandler(e);
+ });
+ eventableIframes[i].addEventListener('paste', function (e) {
+ pasteHandler(e);
+ });
+ }
+
+ // Save the document every 100ms by default
+ // TODO: Move into autosave setup function (_setupAutoSave)
+ if (self.settings.file.autoSave) {
+ self._saveIntervalTimer = window.setInterval(function () {
+ if (!self._canSave) {
+ return;
+ }
+ self.save(false, true);
+ }, self.settings.file.autoSave);
+ }
+
+ // Update a textarea automatically if a textarea is given so you don't need
+ // AJAX to submit a form and instead fall back to normal form behavior
+ if (self.settings.textarea) {
+ self._setupTextareaSync();
+ }
+
+ window.addEventListener('resize', function () {
+ // If NOT webkit, and in fullscreen, we need to account for browser resizing
+ // we don't care about webkit because you can't resize in webkit's fullscreen
+ if (self.is('fullscreen')) {
+ _applyStyles(self.iframeElement, {
+ 'width': window.outerWidth + 'px'
+ , 'height': window.innerHeight + 'px'
+ });
+
+ _applyStyles(self.element, {
+ 'height': window.innerHeight + 'px'
+ });
+
+ _applyStyles(self.previewerIframe, {
+ 'width': window.outerWidth / 2 + 'px'
+ , 'height': window.innerHeight + 'px'
+ });
+
+ _applyStyles(self.editorIframe, {
+ 'width': window.outerWidth / 2 + 'px'
+ , 'height': window.innerHeight + 'px'
+ });
+ }
+ // Makes the editor support fluid width when not in fullscreen mode
+ else if (!self.is('fullscreen')) {
+ self.reflow();
+ }
+ });
+
+ // Set states before flipping edit and preview modes
+ self._eeState.loaded = true;
+ self._eeState.unloaded = false;
+
+ if (self.is('preview')) {
+ self.preview();
+ }
+ else {
+ self.edit();
+ }
+
+ self.iframe.close();
+ self._eeState.startup = false;
+
+ if (self.settings.autogrow) {
+ self._fixScrollbars();
+
+ boundAutogrow = function () {
+ setTimeout(function () {
+ self._autogrow();
+ }, 1);
+ };
+
+ //for if autosave is disabled or very slow
+ ['keydown', 'keyup', 'paste', 'cut'].forEach(function (ev) {
+ self.getElement('editor').addEventListener(ev, boundAutogrow);
+ });
+
+ self.on('__update', boundAutogrow);
+ self.on('edit', function () {
+ setTimeout(boundAutogrow, 50)
+ });
+ self.on('preview', function () {
+ setTimeout(boundAutogrow, 50)
+ });
+
+ //for browsers that have rendering delays
+ setTimeout(boundAutogrow, 50);
+ boundAutogrow();
+ }
+
+ // The callback and call are the same thing, but different ways to access them
+ callback.call(this);
+ this.emit('load');
+ return this;
+ }
+
+ EpicEditor.prototype._setupTextareaSync = function () {
+ var self = this
+ , textareaFileName = self.settings.file.name
+ , _syncTextarea;
+
+ // Even if autoSave is false, we want to make sure to keep the textarea synced
+ // with the editor's content. One bad thing about this tho is that we're
+ // creating two timers now in some configurations. We keep the textarea synced
+ // by saving and opening the textarea content from the draft file storage.
+ self._textareaSaveTimer = window.setInterval(function () {
+ if (!self._canSave) {
+ return;
+ }
+ self.save(true);
+ }, 100);
+
+ _syncTextarea = function () {
+ // TODO: Figure out root cause for having to do this ||.
+ // This only happens for draft files. Probably has something to do with
+ // the fact draft files haven't been saved by the time this is called.
+ // TODO: Add test for this case.
+ self._textareaElement.value = self.exportFile(textareaFileName, 'text', true) || self.settings.file.defaultContent;
+ }
+
+ if (typeof self.settings.textarea == 'string') {
+ self._textareaElement = document.getElementById(self.settings.textarea);
+ }
+ else if (typeof self.settings.textarea == 'object') {
+ self._textareaElement = self.settings.textarea;
+ }
+
+ // On page load, if there's content in the textarea that means one of two
+ // different things:
+ //
+ // 1. The editor didn't load and the user was writing in the textarea and
+ // now he refreshed the page or the JS loaded and the textarea now has
+ // content. If this is the case the user probably expects his content is
+ // moved into the editor and not lose what he typed.
+ //
+ // 2. The developer put content in the textarea from some server side
+ // code. In this case, the textarea will take precedence.
+ //
+ // If the developer wants drafts to be recoverable they should check if
+ // the local file in localStorage's modified date is newer than the server.
+ if (self._textareaElement.value !== '') {
+ self.importFile(textareaFileName, self._textareaElement.value);
+
+ // manually save draft after import so there is no delay between the
+ // import and exporting in _syncTextarea. Without this, _syncTextarea
+ // will pull the saved data from localStorage which will be <=100ms old.
+ self.save(true);
+ }
+
+ // Update the textarea on load and pull from drafts
+ _syncTextarea();
+
+ // Make sure to keep it updated
+ self.on('__update', _syncTextarea);
+ }
+
+ /**
+ * Will NOT focus the editor if the editor is still starting up AND
+ * focusOnLoad is set to false. This allows you to place this in code that
+ * gets fired during .load() without worrying about it overriding the user's
+ * option. For example use cases see preview() and edit().
+ * @returns {undefined}
+ */
+
+ // Prevent focus when the user sets focusOnLoad to false by checking if the
+ // editor is starting up AND if focusOnLoad is true
+ EpicEditor.prototype._focusExceptOnLoad = function () {
+ var self = this;
+ if ((self._eeState.startup && self.settings.focusOnLoad) || !self._eeState.startup) {
+ self.focus();
+ }
+ }
+
+ /**
+ * Will remove the editor, but not offline files
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.unload = function (callback) {
+
+ // Make sure the editor isn't already unloaded.
+ if (this.is('unloaded')) {
+ throw new Error('Editor isn\'t loaded');
+ }
+
+ var self = this
+ , editor = window.parent.document.getElementById(self._instanceId);
+
+ editor.parentNode.removeChild(editor);
+ self._eeState.loaded = false;
+ self._eeState.unloaded = true;
+ callback = callback || function () {};
+
+ if (self.settings.textarea) {
+ self._textareaElement.value = "";
+ self.removeListener('__update');
+ }
+
+ if (self._saveIntervalTimer) {
+ window.clearInterval(self._saveIntervalTimer);
+ }
+ if (self._textareaSaveTimer) {
+ window.clearInterval(self._textareaSaveTimer);
+ }
+
+ callback.call(this);
+ self.emit('unload');
+ return self;
+ }
+
+ /**
+ * reflow allows you to dynamically re-fit the editor in the parent without
+ * having to unload and then reload the editor again.
+ *
+ * reflow will also emit a `reflow` event and will return the new dimensions.
+ * If it's called without params it'll return the new width and height and if
+ * it's called with just width or just height it'll just return the width or
+ * height. It's returned as an object like: { width: '100px', height: '1px' }
+ *
+ * @param {string|null} kind Can either be 'width' or 'height' or null
+ * if null, both the height and width will be resized
+ * @param {function} callback A function to fire after the reflow is finished.
+ * Will return the width / height in an obj as the first param of the callback.
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.reflow = function (kind, callback) {
+ var self = this
+ , widthDiff = _outerWidth(self.element) - self.element.offsetWidth
+ , heightDiff = _outerHeight(self.element) - self.element.offsetHeight
+ , elements = [self.iframeElement, self.editorIframe, self.previewerIframe]
+ , eventData = {}
+ , newWidth
+ , newHeight;
+
+ if (typeof kind == 'function') {
+ callback = kind;
+ kind = null;
+ }
+
+ if (!callback) {
+ callback = function () {};
+ }
+
+ for (var x = 0; x < elements.length; x++) {
+ if (!kind || kind == 'width') {
+ newWidth = self.element.offsetWidth - widthDiff + 'px';
+ elements[x].style.width = newWidth;
+ self._eeState.reflowWidth = newWidth;
+ eventData.width = newWidth;
+ }
+ if (!kind || kind == 'height') {
+ newHeight = self.element.offsetHeight - heightDiff + 'px';
+ elements[x].style.height = newHeight;
+ self._eeState.reflowHeight = newHeight
+ eventData.height = newHeight;
+ }
+ }
+
+ self.emit('reflow', eventData);
+ callback.call(this, eventData);
+ return self;
+ }
+
+ /**
+ * Will take the markdown and generate a preview view based on the theme
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.preview = function () {
+ var self = this
+ , x
+ , theme = self.settings.theme.preview
+ , anchors;
+
+ _replaceClass(self.getElement('wrapper'), 'epiceditor-edit-mode', 'epiceditor-preview-mode');
+
+ // Check if no CSS theme link exists
+ if (!self.previewerIframeDocument.getElementById('theme')) {
+ _insertCSSLink(theme, self.previewerIframeDocument, 'theme');
+ }
+ else if (self.previewerIframeDocument.getElementById('theme').name !== theme) {
+ self.previewerIframeDocument.getElementById('theme').href = theme;
+ }
+
+ // Save a preview draft since it might not be saved to the real file yet
+ self.save(true);
+
+ // Add the generated draft HTML into the previewer
+ self.previewer.innerHTML = self.exportFile(null, 'html', true);
+
+ // Hide the editor and display the previewer
+ if (!self.is('fullscreen')) {
+ self.editorIframe.style.left = '-999999px';
+ self.previewerIframe.style.left = '';
+ self._eeState.preview = true;
+ self._eeState.edit = false;
+ self._focusExceptOnLoad();
+ }
+
+ self.emit('preview');
+ return self;
+ }
+
+ /**
+ * Helper to focus on the editor iframe. Will figure out which iframe to
+ * focus on based on which one is active and will handle the cross browser
+ * issues with focusing on the iframe vs the document body.
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.focus = function (pageload) {
+ var self = this
+ , isPreview = self.is('preview')
+ , focusElement = isPreview ? self.previewerIframeDocument.body
+ : self.editorIframeDocument.body;
+
+ if (_isFirefox() && isPreview) {
+ focusElement = self.previewerIframe;
+ }
+
+ focusElement.focus();
+ return this;
+ }
+
+ /**
+ * Puts the editor into fullscreen mode
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.enterFullscreen = function () {
+ if (this.is('fullscreen')) { return this; }
+ this._goFullscreen(this.iframeElement);
+ return this;
+ }
+
+ /**
+ * Closes fullscreen mode if opened
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.exitFullscreen = function () {
+ if (!this.is('fullscreen')) { return this; }
+ this._exitFullscreen(this.iframeElement);
+ return this;
+ }
+
+ /**
+ * Hides the preview and shows the editor again
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.edit = function () {
+ var self = this;
+ _replaceClass(self.getElement('wrapper'), 'epiceditor-preview-mode', 'epiceditor-edit-mode');
+ self._eeState.preview = false;
+ self._eeState.edit = true;
+ self.editorIframe.style.left = '';
+ self.previewerIframe.style.left = '-999999px';
+ self._focusExceptOnLoad();
+ self.emit('edit');
+ return this;
+ }
+
+ /**
+ * Grabs a specificed HTML node. Use it as a shortcut to getting the iframe contents
+ * @param {String} name The name of the node (can be document, body, editor, previewer, or wrapper)
+ * @returns {Object|Null}
+ */
+ EpicEditor.prototype.getElement = function (name) {
+ var available = {
+ "container": this.element
+ , "wrapper": this.iframe.getElementById('epiceditor-wrapper')
+ , "wrapperIframe": this.iframeElement
+ , "editor": this.editorIframeDocument
+ , "editorIframe": this.editorIframe
+ , "previewer": this.previewerIframeDocument
+ , "previewerIframe": this.previewerIframe
+ }
+
+ // Check that the given string is a possible option and verify the editor isn't unloaded
+ // without this, you'd be given a reference to an object that no longer exists in the DOM
+ if (!available[name] || this.is('unloaded')) {
+ return null;
+ }
+ else {
+ return available[name];
+ }
+ }
+
+ /**
+ * Returns a boolean of each "state" of the editor. For example "editor.is('loaded')" // returns true/false
+ * @param {String} what the state you want to check for
+ * @returns {Boolean}
+ */
+ EpicEditor.prototype.is = function (what) {
+ var self = this;
+ switch (what) {
+ case 'loaded':
+ return self._eeState.loaded;
+ case 'unloaded':
+ return self._eeState.unloaded
+ case 'preview':
+ return self._eeState.preview
+ case 'edit':
+ return self._eeState.edit;
+ case 'fullscreen':
+ return self._eeState.fullscreen;
+ // TODO: This "works", but the tests are saying otherwise. Come back to this
+ // and figure out how to fix it.
+ // case 'focused':
+ // return document.activeElement == self.iframeElement;
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Opens a file
+ * @param {string} name The name of the file you want to open
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.open = function (name) {
+ var self = this
+ , defaultContent = self.settings.file.defaultContent
+ , fileObj;
+ name = name || self.settings.file.name;
+ self.settings.file.name = name;
+ if (this._storage[self.settings.localStorageName]) {
+ fileObj = self.exportFile(name);
+ if (fileObj !== undefined) {
+ _setText(self.editor, fileObj);
+ self.emit('read');
+ }
+ else {
+ _setText(self.editor, defaultContent);
+ self.save(); // ensure a save
+ self.emit('create');
+ }
+ self.previewer.innerHTML = self.exportFile(null, 'html');
+ self.emit('open');
+ }
+ return this;
+ }
+
+ /**
+ * Saves content for offline use
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.save = function (_isPreviewDraft, _isAuto) {
+ var self = this
+ , storage
+ , isUpdate = false
+ , file = self.settings.file.name
+ , previewDraftName = ''
+ , data = this._storage[previewDraftName + self.settings.localStorageName]
+ , content = _getText(this.editor);
+
+ if (_isPreviewDraft) {
+ previewDraftName = self._previewDraftLocation;
+ }
+
+ // This could have been false but since we're manually saving
+ // we know it's save to start autoSaving again
+ this._canSave = true;
+
+ // Guard against storage being wiped out without EpicEditor knowing
+ // TODO: Emit saving error - storage seems to have been wiped
+ if (data) {
+ storage = JSON.parse(this._storage[previewDraftName + self.settings.localStorageName]);
+
+ // If the file doesn't exist we need to create it
+ if (storage[file] === undefined) {
+ storage[file] = self._defaultFileSchema();
+ }
+
+ // If it does, we need to check if the content is different and
+ // if it is, send the update event and update the timestamp
+ else if (content !== storage[file].content) {
+ storage[file].modified = new Date();
+ isUpdate = true;
+ }
+ //don't bother autosaving if the content hasn't actually changed
+ else if (_isAuto) {
+ return;
+ }
+
+ storage[file].content = content;
+ this._storage[previewDraftName + self.settings.localStorageName] = JSON.stringify(storage);
+
+ // After the content is actually changed, emit update so it emits the updated content
+ if (isUpdate) {
+ self.emit('update');
+ // Emit a private update event so it can't get accidentally removed
+ self.emit('__update');
+ }
+
+ if (_isAuto) {
+ this.emit('autosave');
+ }
+ else if (!_isPreviewDraft) {
+ this.emit('save');
+ }
+ }
+
+ return this;
+ }
+
+ /**
+ * Removes a page
+ * @param {string} name The name of the file you want to remove from localStorage
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.remove = function (name) {
+ var self = this
+ , s;
+ name = name || self.settings.file.name;
+
+ // If you're trying to delete a page you have open, block saving
+ if (name == self.settings.file.name) {
+ self._canSave = false;
+ }
+
+ s = JSON.parse(this._storage[self.settings.localStorageName]);
+ delete s[name];
+ this._storage[self.settings.localStorageName] = JSON.stringify(s);
+ this.emit('remove');
+ return this;
+ };
+
+ /**
+ * Renames a file
+ * @param {string} oldName The old file name
+ * @param {string} newName The new file name
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.rename = function (oldName, newName) {
+ var self = this
+ , s = JSON.parse(this._storage[self.settings.localStorageName]);
+ s[newName] = s[oldName];
+ delete s[oldName];
+ this._storage[self.settings.localStorageName] = JSON.stringify(s);
+ self.open(newName);
+ return this;
+ };
+
+ /**
+ * Imports a file and it's contents and opens it
+ * @param {string} name The name of the file you want to import (will overwrite existing files!)
+ * @param {string} content Content of the file you want to import
+ * @param {string} kind The kind of file you want to import (TBI)
+ * @param {object} meta Meta data you want to save with your file.
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.importFile = function (name, content, kind, meta) {
+ var self = this
+ , isNew = false;
+
+ name = name || self.settings.file.name;
+ content = content || '';
+ kind = kind || 'md';
+ meta = meta || {};
+
+ if (JSON.parse(this._storage[self.settings.localStorageName])[name] === undefined) {
+ isNew = true;
+ }
+
+ // Set our current file to the new file and update the content
+ self.settings.file.name = name;
+ _setText(self.editor, content);
+
+ if (isNew) {
+ self.emit('create');
+ }
+
+ self.save();
+
+ if (self.is('fullscreen')) {
+ self.preview();
+ }
+
+ //firefox has trouble with importing and working out the size right away
+ if (self.settings.autogrow) {
+ setTimeout(function () {
+ self._autogrow();
+ }, 50);
+ }
+
+ return this;
+ };
+
+ /**
+ * Gets the local filestore
+ * @param {string} name Name of the file in the store
+ * @returns {object|undefined} the local filestore, or a specific file in the store, if a name is given
+ */
+ EpicEditor.prototype._getFileStore = function (name, _isPreviewDraft) {
+ var previewDraftName = ''
+ , store;
+ if (_isPreviewDraft) {
+ previewDraftName = this._previewDraftLocation;
+ }
+ store = JSON.parse(this._storage[previewDraftName + this.settings.localStorageName]);
+ if (name) {
+ return store[name];
+ }
+ else {
+ return store;
+ }
+ }
+
+ /**
+ * Exports a file as a string in a supported format
+ * @param {string} name Name of the file you want to export (case sensitive)
+ * @param {string} kind Kind of file you want the content in (currently supports html and text, default is the format the browser "wants")
+ * @returns {string|undefined} The content of the file in the content given or undefined if it doesn't exist
+ */
+ EpicEditor.prototype.exportFile = function (name, kind, _isPreviewDraft) {
+ var self = this
+ , file
+ , content;
+
+ name = name || self.settings.file.name;
+ kind = kind || 'text';
+
+ file = self._getFileStore(name, _isPreviewDraft);
+
+ // If the file doesn't exist just return early with undefined
+ if (file === undefined) {
+ return;
+ }
+
+ content = file.content;
+
+ switch (kind) {
+ case 'html':
+ content = _sanitizeRawContent(content);
+ return self.settings.parser(content);
+ case 'text':
+ return _sanitizeRawContent(content);
+ case 'json':
+ file.content = _sanitizeRawContent(file.content);
+ return JSON.stringify(file);
+ case 'raw':
+ return content;
+ default:
+ return content;
+ }
+ }
+
+ /**
+ * Gets the contents and metadata for files
+ * @param {string} name Name of the file whose data you want (case sensitive)
+ * @param {boolean} excludeContent whether the contents of files should be excluded
+ * @returns {object} An object with the names and data of every file, or just the data of one file if a name was given
+ */
+ EpicEditor.prototype.getFiles = function (name, excludeContent) {
+ var file
+ , data = this._getFileStore(name);
+
+ if (name) {
+ if (data !== undefined) {
+ if (excludeContent) {
+ delete data.content;
+ }
+ else {
+ data.content = _sanitizeRawContent(data.content);
+ }
+ }
+ return data;
+ }
+ else {
+ for (file in data) {
+ if (data.hasOwnProperty(file)) {
+ if (excludeContent) {
+ delete data[file].content;
+ }
+ else {
+ data[file].content = _sanitizeRawContent(data[file].content);
+ }
+ }
+ }
+ return data;
+ }
+ }
+
+ // EVENTS
+ // TODO: Support for namespacing events like "preview.foo"
+ /**
+ * Sets up an event handler for a specified event
+ * @param {string} ev The event name
+ * @param {function} handler The callback to run when the event fires
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.on = function (ev, handler) {
+ var self = this;
+ if (!this.events[ev]) {
+ this.events[ev] = [];
+ }
+ this.events[ev].push(handler);
+ return self;
+ };
+
+ /**
+ * This will emit or "trigger" an event specified
+ * @param {string} ev The event name
+ * @param {any} data Any data you want to pass into the callback
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.emit = function (ev, data) {
+ var self = this
+ , x;
+
+ data = data || self.getFiles(self.settings.file.name);
+
+ if (!this.events[ev]) {
+ return;
+ }
+
+ function invokeHandler(handler) {
+ handler.call(self, data);
+ }
+
+ for (x = 0; x < self.events[ev].length; x++) {
+ invokeHandler(self.events[ev][x]);
+ }
+
+ return self;
+ };
+
+ /**
+ * Will remove any listeners added from EpicEditor.on()
+ * @param {string} ev The event name
+ * @param {function} handler Handler to remove
+ * @returns {object} EpicEditor will be returned
+ */
+ EpicEditor.prototype.removeListener = function (ev, handler) {
+ var self = this;
+ if (!handler) {
+ this.events[ev] = [];
+ return self;
+ }
+ if (!this.events[ev]) {
+ return self;
+ }
+ // Otherwise a handler and event exist, so take care of it
+ this.events[ev].splice(this.events[ev].indexOf(handler), 1);
+ return self;
+ }
+
+ /**
+ * Handles autogrowing the editor
+ */
+ EpicEditor.prototype._autogrow = function () {
+ var editorHeight
+ , newHeight
+ , minHeight
+ , maxHeight
+ , el
+ , style
+ , maxedOut = false;
+
+ //autogrow in fullscreen is nonsensical
+ if (!this.is('fullscreen')) {
+ if (this.is('edit')) {
+ el = this.getElement('editor').documentElement;
+ }
+ else {
+ el = this.getElement('previewer').documentElement;
+ }
+
+ editorHeight = _outerHeight(el);
+ newHeight = editorHeight;
+
+ //handle minimum
+ minHeight = this.settings.autogrow.minHeight;
+ if (typeof minHeight === 'function') {
+ minHeight = minHeight(this);
+ }
+
+ if (minHeight && newHeight < minHeight) {
+ newHeight = minHeight;
+ }
+
+ //handle maximum
+ maxHeight = this.settings.autogrow.maxHeight;
+ if (typeof maxHeight === 'function') {
+ maxHeight = maxHeight(this);
+ }
+
+ if (maxHeight && newHeight > maxHeight) {
+ newHeight = maxHeight;
+ maxedOut = true;
+ }
+
+ if (maxedOut) {
+ this._fixScrollbars('auto');
+ } else {
+ this._fixScrollbars('hidden');
+ }
+
+ //actual resize
+ if (newHeight != this.oldHeight) {
+ this.getElement('container').style.height = newHeight + 'px';
+ this.reflow();
+ if (this.settings.autogrow.scroll) {
+ window.scrollBy(0, newHeight - this.oldHeight);
+ }
+ this.oldHeight = newHeight;
+ }
+ }
+ }
+
+ /**
+ * Shows or hides scrollbars based on the autogrow setting
+ * @param {string} forceSetting a value to force the overflow to
+ */
+ EpicEditor.prototype._fixScrollbars = function (forceSetting) {
+ var setting;
+ if (this.settings.autogrow) {
+ setting = 'hidden';
+ }
+ else {
+ setting = 'auto';
+ }
+ setting = forceSetting || setting;
+ this.getElement('editor').documentElement.style.overflow = setting;
+ this.getElement('previewer').documentElement.style.overflow = setting;
+ }
+
+ EpicEditor.version = '0.2.2';
+
+ // Used to store information to be shared across editors
+ EpicEditor._data = {};
+
+ window.EpicEditor = EpicEditor;
+})(window);
+
+/**
+ * marked - a markdown parser
+ * Copyright (c) 2011-2013, Christopher Jeffrey. (MIT Licensed)
+ * https://github.com/chjj/marked
+ */
+
+;(function() {
+
+/**
+ * Block-Level Grammar
+ */
+
+var block = {
+ newline: /^\n+/,
+ code: /^( {4}[^\n]+\n*)+/,
+ fences: noop,
+ hr: /^( *[-*_]){3,} *(?:\n+|$)/,
+ heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
+ nptable: noop,
+ lheading: /^([^\n]+)\n *(=|-){3,} *\n*/,
+ blockquote: /^( *>[^\n]+(\n[^\n]+)*\n*)+/,
+ list: /^( *)(bull) [\s\S]+?(?:hr|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
+ html: /^ *(?:comment|closed|closing) *(?:\n{2,}|\s*$)/,
+ def: /^ *\[([^\]]+)\]: *([^\s]+)(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
+ table: noop,
+ paragraph: /^([^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+\n*/,
+ text: /^[^\n]+/
+};
+
+block.bullet = /(?:[*+-]|\d+\.)/;
+block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
+block.item = replace(block.item, 'gm')
+ (/bull/g, block.bullet)
+ ();
+
+block.list = replace(block.list)
+ (/bull/g, block.bullet)
+ ('hr', /\n+(?=(?: *[-*_]){3,} *(?:\n+|$))/)
+ ();
+
+block._tag = '(?!(?:'
+ + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code'
+ + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo'
+ + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|@)\\b';
+
+block.html = replace(block.html)
+ ('comment', /<!--[\s\S]*?-->/)
+ ('closed', /<(tag)[\s\S]+?<\/\1>/)
+ ('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)
+ (/tag/g, block._tag)
+ ();
+
+block.paragraph = replace(block.paragraph)
+ ('hr', block.hr)
+ ('heading', block.heading)
+ ('lheading', block.lheading)
+ ('blockquote', block.blockquote)
+ ('tag', '<' + block._tag)
+ ('def', block.def)
+ ();
+
+/**
+ * Normal Block Grammar
+ */
+
+block.normal = merge({}, block);
+
+/**
+ * GFM Block Grammar
+ */
+
+block.gfm = merge({}, block.normal, {
+ fences: /^ *(`{3,}|~{3,}) *(\w+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
+ paragraph: /^/
+});
+
+block.gfm.paragraph = replace(block.paragraph)
+ ('(?!', '(?!' + block.gfm.fences.source.replace('\\1', '\\2') + '|')
+ ();
+
+/**
+ * GFM + Tables Block Grammar
+ */
+
+block.tables = merge({}, block.gfm, {
+ nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
+ table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
+});
+
+/**
+ * Block Lexer
+ */
+
+function Lexer(options) {
+ this.tokens = [];
+ this.tokens.links = {};
+ this.options = options || marked.defaults;
+ this.rules = block.normal;
+
+ if (this.options.gfm) {
+ if (this.options.tables) {
+ this.rules = block.tables;
+ } else {
+ this.rules = block.gfm;
+ }
+ }
+}
+
+/**
+ * Expose Block Rules
+ */
+
+Lexer.rules = block;
+
+/**
+ * Static Lex Method
+ */
+
+Lexer.lex = function(src, options) {
+ var lexer = new Lexer(options);
+ return lexer.lex(src);
+};
+
+/**
+ * Preprocessing
+ */
+
+Lexer.prototype.lex = function(src) {
+ src = src
+ .replace(/\r\n|\r/g, '\n')
+ .replace(/\t/g, ' ')
+ .replace(/\u00a0/g, ' ')
+ .replace(/\u2424/g, '\n');
+
+ return this.token(src, true);
+};
+
+/**
+ * Lexing
+ */
+
+Lexer.prototype.token = function(src, top) {
+ var src = src.replace(/^ +$/gm, '')
+ , next
+ , loose
+ , cap
+ , item
+ , space
+ , i
+ , l;
+
+ while (src) {
+ // newline
+ if (cap = this.rules.newline.exec(src)) {
+ src = src.substring(cap[0].length);
+ if (cap[0].length > 1) {
+ this.tokens.push({
+ type: 'space'
+ });
+ }
+ }
+
+ // code
+ if (cap = this.rules.code.exec(src)) {
+ src = src.substring(cap[0].length);
+ cap = cap[0].replace(/^ {4}/gm, '');
+ this.tokens.push({
+ type: 'code',
+ text: !this.options.pedantic
+ ? cap.replace(/\n+$/, '')
+ : cap
+ });
+ continue;
+ }
+
+ // fences (gfm)
+ if (cap = this.rules.fences.exec(src)) {
+ src = src.substring(cap[0].length);
+ this.tokens.push({
+ type: 'code',
+ lang: cap[2],
+ text: cap[3]
+ });
+ continue;
+ }
+
+ // heading
+ if (cap = this.rules.heading.exec(src)) {
+ src = src.substring(cap[0].length);
+ this.tokens.push({
+ type: 'heading',
+ depth: cap[1].length,
+ text: cap[2]
+ });
+ continue;
+ }
+
+ // table no leading pipe (gfm)
+ if (top && (cap = this.rules.nptable.exec(src))) {
+ src = src.substring(cap[0].length);
+
+ item = {
+ type: 'table',
+ header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
+ align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
+ cells: cap[3].replace(/\n$/, '').split('\n')
+ };
+
+ for (i = 0; i < item.align.length; i++) {
+ if (/^ *-+: *$/.test(item.align[i])) {
+ item.align[i] = 'right';
+ } else if (/^ *:-+: *$/.test(item.align[i])) {
+ item.align[i] = 'center';
+ } else if (/^ *:-+ *$/.test(item.align[i])) {
+ item.align[i] = 'left';
+ } else {
+ item.align[i] = null;
+ }
+ }
+
+ for (i = 0; i < item.cells.length; i++) {
+ item.cells[i] = item.cells[i].split(/ *\| */);
+ }
+
+ this.tokens.push(item);
+
+ continue;
+ }
+
+ // lheading
+ if (cap = this.rules.lheading.exec(src)) {
+ src = src.substring(cap[0].length);
+ this.tokens.push({
+ type: 'heading',
+ depth: cap[2] === '=' ? 1 : 2,
+ text: cap[1]
+ });
+ continue;
+ }
+
+ // hr
+ if (cap = this.rules.hr.exec(src)) {
+ src = src.substring(cap[0].length);
+ this.tokens.push({
+ type: 'hr'
+ });
+ continue;
+ }
+
+ // blockquote
+ if (cap = this.rules.blockquote.exec(src)) {
+ src = src.substring(cap[0].length);
+
+ this.tokens.push({
+ type: 'blockquote_start'
+ });
+
+ cap = cap[0].replace(/^ *> ?/gm, '');
+
+ // Pass `top` to keep the current
+ // "toplevel" state. This is exactly
+ // how markdown.pl works.
+ this.token(cap, top);
+
+ this.tokens.push({
+ type: 'blockquote_end'
+ });
+
+ continue;
+ }
+
+ // list
+ if (cap = this.rules.list.exec(src)) {
+ src = src.substring(cap[0].length);
+
+ this.tokens.push({
+ type: 'list_start',
+ ordered: isFinite(cap[2])
+ });
+
+ // Get each top-level item.
+ cap = cap[0].match(this.rules.item);
+
+ next = false;
+ l = cap.length;
+ i = 0;
+
+ for (; i < l; i++) {
+ item = cap[i];
+
+ // Remove the list item's bullet
+ // so it is seen as the next token.
+ space = item.length;
+ item = item.replace(/^ *([*+-]|\d+\.) +/, '');
+
+ // Outdent whatever the
+ // list item contains. Hacky.
+ if (~item.indexOf('\n ')) {
+ space -= item.length;
+ item = !this.options.pedantic
+ ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
+ : item.replace(/^ {1,4}/gm, '');
+ }
+
+ // Determine whether item is loose or not.
+ // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
+ // for discount behavior.
+ loose = next || /\n\n(?!\s*$)/.test(item);
+ if (i !== l - 1) {
+ next = item[item.length-1] === '\n';
+ if (!loose) loose = next;
+ }
+
+ this.tokens.push({
+ type: loose
+ ? 'loose_item_start'
+ : 'list_item_start'
+ });
+
+ // Recurse.
+ this.token(item, false);
+
+ this.tokens.push({
+ type: 'list_item_end'
+ });
+ }
+
+ this.tokens.push({
+ type: 'list_end'
+ });
+
+ continue;
+ }
+
+ // html
+ if (cap = this.rules.html.exec(src)) {
+ src = src.substring(cap[0].length);
+ this.tokens.push({
+ type: this.options.sanitize
+ ? 'paragraph'
+ : 'html',
+ pre: cap[1] === 'pre',
+ text: cap[0]
+ });
+ continue;
+ }
+
+ // def
+ if (top && (cap = this.rules.def.exec(src))) {
+ src = src.substring(cap[0].length);
+ this.tokens.links[cap[1].toLowerCase()] = {
+ href: cap[2],
+ title: cap[3]
+ };
+ continue;
+ }
+
+ // table (gfm)
+ if (top && (cap = this.rules.table.exec(src))) {
+ src = src.substring(cap[0].length);
+
+ item = {
+ type: 'table',
+ header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
+ align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
+ cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
+ };
+
+ for (i = 0; i < item.align.length; i++) {
+ if (/^ *-+: *$/.test(item.align[i])) {
+ item.align[i] = 'right';
+ } else if (/^ *:-+: *$/.test(item.align[i])) {
+ item.align[i] = 'center';
+ } else if (/^ *:-+ *$/.test(item.align[i])) {
+ item.align[i] = 'left';
+ } else {
+ item.align[i] = null;
+ }
+ }
+
+ for (i = 0; i < item.cells.length; i++) {
+ item.cells[i] = item.cells[i]
+ .replace(/^ *\| *| *\| *$/g, '')
+ .split(/ *\| */);
+ }
+
+ this.tokens.push(item);
+
+ continue;
+ }
+
+ // top-level paragraph
+ if (top && (cap = this.rules.paragraph.exec(src))) {
+ src = src.substring(cap[0].length);
+ this.tokens.push({
+ type: 'paragraph',
+ text: cap[0]
+ });
+ continue;
+ }
+
+ // text
+ if (cap = this.rules.text.exec(src)) {
+ // Top-level should never reach here.
+ src = src.substring(cap[0].length);
+ this.tokens.push({
+ type: 'text',
+ text: cap[0]
+ });
+ continue;
+ }
+
+ if (src) {
+ throw new
+ Error('Infinite loop on byte: ' + src.charCodeAt(0));
+ }
+ }
+
+ return this.tokens;
+};
+
+/**
+ * Inline-Level Grammar
+ */
+
+var inline = {
+ escape: /^\\([\\`*{}\[\]()#+\-.!_>|])/,
+ autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
+ url: noop,
+ tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
+ link: /^!?\[(inside)\]\(href\)/,
+ reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
+ nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
+ strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
+ em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
+ code: /^(`+)([\s\S]*?[^`])\1(?!`)/,
+ br: /^ {2,}\n(?!\s*$)/,
+ del: noop,
+ text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
+};
+
+inline._inside = /(?:\[[^\]]*\]|[^\]]|\](?=[^\[]*\]))*/;
+inline._href = /\s*<?([^\s]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;
+
+inline.link = replace(inline.link)
+ ('inside', inline._inside)
+ ('href', inline._href)
+ ();
+
+inline.reflink = replace(inline.reflink)
+ ('inside', inline._inside)
+ ();
+
+/**
+ * Normal Inline Grammar
+ */
+
+inline.normal = merge({}, inline);
+
+/**
+ * Pedantic Inline Grammar
+ */
+
+inline.pedantic = merge({}, inline.normal, {
+ strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
+ em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/
+});
+
+/**
+ * GFM Inline Grammar
+ */
+
+inline.gfm = merge({}, inline.normal, {
+ escape: replace(inline.escape)('])', '~])')(),
+ url: /^(https?:\/\/[^\s]+[^.,:;"')\]\s])/,
+ del: /^~{2,}([\s\S]+?)~{2,}/,
+ text: replace(inline.text)
+ (']|', '~]|')
+ ('|', '|https?://|')
+ ()
+});
+
+/**
+ * GFM + Line Breaks Inline Grammar
+ */
+
+inline.breaks = merge({}, inline.gfm, {
+ br: replace(inline.br)('{2,}', '*')(),
+ text: replace(inline.gfm.text)('{2,}', '*')()
+});
+
+/**
+ * Inline Lexer & Compiler
+ */
+
+function InlineLexer(links, options) {
+ this.options = options || marked.defaults;
+ this.links = links;
+ this.rules = inline.normal;
+
+ if (!this.links) {
+ throw new
+ Error('Tokens array requires a `links` property.');
+ }
+
+ if (this.options.gfm) {
+ if (this.options.breaks) {
+ this.rules = inline.breaks;
+ } else {
+ this.rules = inline.gfm;
+ }
+ } else if (this.options.pedantic) {
+ this.rules = inline.pedantic;
+ }
+}
+
+/**
+ * Expose Inline Rules
+ */
+
+InlineLexer.rules = inline;
+
+/**
+ * Static Lexing/Compiling Method
+ */
+
+InlineLexer.output = function(src, links, opt) {
+ var inline = new InlineLexer(links, opt);
+ return inline.output(src);
+};
+
+/**
+ * Lexing/Compiling
+ */
+
+InlineLexer.prototype.output = function(src) {
+ var out = ''
+ , link
+ , text
+ , href
+ , cap;
+
+ while (src) {
+ // escape
+ if (cap = this.rules.escape.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += cap[1];
+ continue;
+ }
+
+ // autolink
+ if (cap = this.rules.autolink.exec(src)) {
+ src = src.substring(cap[0].length);
+ if (cap[2] === '@') {
+ text = cap[1][6] === ':'
+ ? this.mangle(cap[1].substring(7))
+ : this.mangle(cap[1]);
+ href = this.mangle('mailto:') + text;
+ } else {
+ text = escape(cap[1]);
+ href = text;
+ }
+ out += '<a href="'
+ + href
+ + '">'
+ + text
+ + '</a>';
+ continue;
+ }
+
+ // url (gfm)
+ if (cap = this.rules.url.exec(src)) {
+ src = src.substring(cap[0].length);
+ text = escape(cap[1]);
+ href = text;
+ out += '<a href="'
+ + href
+ + '">'
+ + text
+ + '</a>';
+ continue;
+ }
+
+ // tag
+ if (cap = this.rules.tag.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += this.options.sanitize
+ ? escape(cap[0])
+ : cap[0];
+ continue;
+ }
+
+ // link
+ if (cap = this.rules.link.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += this.outputLink(cap, {
+ href: cap[2],
+ title: cap[3]
+ });
+ continue;
+ }
+
+ // reflink, nolink
+ if ((cap = this.rules.reflink.exec(src))
+ || (cap = this.rules.nolink.exec(src))) {
+ src = src.substring(cap[0].length);
+ link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
+ link = this.links[link.toLowerCase()];
+ if (!link || !link.href) {
+ out += cap[0][0];
+ src = cap[0].substring(1) + src;
+ continue;
+ }
+ out += this.outputLink(cap, link);
+ continue;
+ }
+
+ // strong
+ if (cap = this.rules.strong.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += '<strong>'
+ + this.output(cap[2] || cap[1])
+ + '</strong>';
+ continue;
+ }
+
+ // em
+ if (cap = this.rules.em.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += '<em>'
+ + this.output(cap[2] || cap[1])
+ + '</em>';
+ continue;
+ }
+
+ // code
+ if (cap = this.rules.code.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += '<code>'
+ + escape(cap[2], true)
+ + '</code>';
+ continue;
+ }
+
+ // br
+ if (cap = this.rules.br.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += '<br>';
+ continue;
+ }
+
+ // del (gfm)
+ if (cap = this.rules.del.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += '<del>'
+ + this.output(cap[1])
+ + '</del>';
+ continue;
+ }
+
+ // text
+ if (cap = this.rules.text.exec(src)) {
+ src = src.substring(cap[0].length);
+ out += escape(cap[0]);
+ continue;
+ }
+
+ if (src) {
+ throw new
+ Error('Infinite loop on byte: ' + src.charCodeAt(0));
+ }
+ }
+
+ return out;
+};
+
+/**
+ * Compile Link
+ */
+
+InlineLexer.prototype.outputLink = function(cap, link) {
+ if (cap[0][0] !== '!') {
+ return '<a href="'
+ + escape(link.href)
+ + '"'
+ + (link.title
+ ? ' title="'
+ + escape(link.title)
+ + '"'
+ : '')
+ + '>'
+ + this.output(cap[1])
+ + '</a>';
+ } else {
+ return '<img src="'
+ + escape(link.href)
+ + '" alt="'
+ + escape(cap[1])
+ + '"'
+ + (link.title
+ ? ' title="'
+ + escape(link.title)
+ + '"'
+ : '')
+ + '>';
+ }
+};
+
+/**
+ * Mangle Links
+ */
+
+InlineLexer.prototype.mangle = function(text) {
+ var out = ''
+ , l = text.length
+ , i = 0
+ , ch;
+
+ for (; i < l; i++) {
+ ch = text.charCodeAt(i);
+ if (Math.random() > 0.5) {
+ ch = 'x' + ch.toString(16);
+ }
+ out += '&#' + ch + ';';
+ }
+
+ return out;
+};
+
+/**
+ * Parsing & Compiling
+ */
+
+function Parser(options) {
+ this.tokens = [];
+ this.token = null;
+ this.options = options || marked.defaults;
+}
+
+/**
+ * Static Parse Method
+ */
+
+Parser.parse = function(src, options) {
+ var parser = new Parser(options);
+ return parser.parse(src);
+};
+
+/**
+ * Parse Loop
+ */
+
+Parser.prototype.parse = function(src) {
+ this.inline = new InlineLexer(src.links, this.options);
+ this.tokens = src.reverse();
+
+ var out = '';
+ while (this.next()) {
+ out += this.tok();
+ }
+
+ return out;
+};
+
+/**
+ * Next Token
+ */
+
+Parser.prototype.next = function() {
+ return this.token = this.tokens.pop();
+};
+
+/**
+ * Preview Next Token
+ */
+
+Parser.prototype.peek = function() {
+ return this.tokens[this.tokens.length-1] || 0;
+};
+
+/**
+ * Parse Text Tokens
+ */
+
+Parser.prototype.parseText = function() {
+ var body = this.token.text;
+
+ while (this.peek().type === 'text') {
+ body += '\n' + this.next().text;
+ }
+
+ return this.inline.output(body);
+};
+
+/**
+ * Parse Current Token
+ */
+
+Parser.prototype.tok = function() {
+ switch (this.token.type) {
+ case 'space': {
+ return '';
+ }
+ case 'hr': {
+ return '<hr>\n';
+ }
+ case 'heading': {
+ return '<h'
+ + this.token.depth
+ + '>'
+ + this.inline.output(this.token.text)
+ + '</h'
+ + this.token.depth
+ + '>\n';
+ }
+ case 'code': {
+ if (this.options.highlight) {
+ var code = this.options.highlight(this.token.text, this.token.lang);
+ if (code != null && code !== this.token.text) {
+ this.token.escaped = true;
+ this.token.text = code;
+ }
+ }
+
+ if (!this.token.escaped) {
+ this.token.text = escape(this.token.text, true);
+ }
+
+ return '<pre><code'
+ + (this.token.lang
+ ? ' class="lang-'
+ + this.token.lang
+ + '"'
+ : '')
+ + '>'
+ + this.token.text
+ + '</code></pre>\n';
+ }
+ case 'table': {
+ var body = ''
+ , heading
+ , i
+ , row
+ , cell
+ , j;
+
+ // header
+ body += '<thead>\n<tr>\n';
+ for (i = 0; i < this.token.header.length; i++) {
+ heading = this.inline.output(this.token.header[i]);
+ body += this.token.align[i]
+ ? '<th align="' + this.token.align[i] + '">' + heading + '</th>\n'
+ : '<th>' + heading + '</th>\n';
+ }
+ body += '</tr>\n</thead>\n';
+
+ // body
+ body += '<tbody>\n'
+ for (i = 0; i < this.token.cells.length; i++) {
+ row = this.token.cells[i];
+ body += '<tr>\n';
+ for (j = 0; j < row.length; j++) {
+ cell = this.inline.output(row[j]);
+ body += this.token.align[j]
+ ? '<td align="' + this.token.align[j] + '">' + cell + '</td>\n'
+ : '<td>' + cell + '</td>\n';
+ }
+ body += '</tr>\n';
+ }
+ body += '</tbody>\n';
+
+ return '<table>\n'
+ + body
+ + '</table>\n';
+ }
+ case 'blockquote_start': {
+ var body = '';
+
+ while (this.next().type !== 'blockquote_end') {
+ body += this.tok();
+ }
+
+ return '<blockquote>\n'
+ + body
+ + '</blockquote>\n';
+ }
+ case 'list_start': {
+ var type = this.token.ordered ? 'ol' : 'ul'
+ , body = '';
+
+ while (this.next().type !== 'list_end') {
+ body += this.tok();
+ }
+
+ return '<'
+ + type
+ + '>\n'
+ + body
+ + '</'
+ + type
+ + '>\n';
+ }
+ case 'list_item_start': {
+ var body = '';
+
+ while (this.next().type !== 'list_item_end') {
+ body += this.token.type === 'text'
+ ? this.parseText()
+ : this.tok();
+ }
+
+ return '<li>'
+ + body
+ + '</li>\n';
+ }
+ case 'loose_item_start': {
+ var body = '';
+
+ while (this.next().type !== 'list_item_end') {
+ body += this.tok();
+ }
+
+ return '<li>'
+ + body
+ + '</li>\n';
+ }
+ case 'html': {
+ return !this.token.pre && !this.options.pedantic
+ ? this.inline.output(this.token.text)
+ : this.token.text;
+ }
+ case 'paragraph': {
+ return '<p>'
+ + this.inline.output(this.token.text)
+ + '</p>\n';
+ }
+ case 'text': {
+ return '<p>'
+ + this.parseText()
+ + '</p>\n';
+ }
+ }
+};
+
+/**
+ * Helpers
+ */
+
+function escape(html, encode) {
+ return html
+ .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&')
+ .replace(/</g, '<')
+ .replace(/>/g, '>')
+ .replace(/"/g, '"')
+ .replace(/'/g, ''');
+}
+
+function replace(regex, opt) {
+ regex = regex.source;
+ opt = opt || '';
+ return function self(name, val) {
+ if (!name) return new RegExp(regex, opt);
+ val = val.source || val;
+ val = val.replace(/(^|[^\[])\^/g, '$1');
+ regex = regex.replace(name, val);
+ return self;
+ };
+}
+
+function noop() {}
+noop.exec = noop;
+
+function merge(obj) {
+ var i = 1
+ , target
+ , key;
+
+ for (; i < arguments.length; i++) {
+ target = arguments[i];
+ for (key in target) {
+ if (Object.prototype.hasOwnProperty.call(target, key)) {
+ obj[key] = target[key];
+ }
+ }
+ }
+
+ return obj;
+}
+
+/**
+ * Marked
+ */
+
+function marked(src, opt) {
+ try {
+ return Parser.parse(Lexer.lex(src, opt), opt);
+ } catch (e) {
+ e.message += '\nPlease report this to https://github.com/chjj/marked.';
+ if ((opt || marked.defaults).silent) {
+ return 'An error occured:\n' + e.message;
+ }
+ throw e;
+ }
+}
+
+/**
+ * Options
+ */
+
+marked.options =
+marked.setOptions = function(opt) {
+ marked.defaults = opt;
+ return marked;
+};
+
+marked.defaults = {
+ gfm: true,
+ tables: true,
+ breaks: false,
+ pedantic: false,
+ sanitize: false,
+ silent: false,
+ highlight: null
+};
+
+/**
+ * Expose
+ */
+
+marked.Parser = Parser;
+marked.parser = Parser.parse;
+
+marked.Lexer = Lexer;
+marked.lexer = Lexer.lex;
+
+marked.InlineLexer = InlineLexer;
+marked.inlineLexer = InlineLexer.output;
+
+marked.parse = marked;
+
+if (typeof module !== 'undefined') {
+ module.exports = marked;
+} else if (typeof define === 'function' && define.amd) {
+ define(function() { return marked; });
+} else {
+ this.marked = marked;
+}
+
+}).call(function() {
+ return this || (typeof window !== 'undefined' ? window : global);
+}());
projects / citadel.git / blobdiff