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835 lines
25 KiB
835 lines
25 KiB
/*! Licensed under MIT, https://github.com/sofish/pen */
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(function(root, doc) {
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var Pen, debugMode, selection, utils = {};
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var toString = Object.prototype.toString;
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var slice = Array.prototype.slice;
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// allow command list
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var commandsReg = {
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block: /^(?:p|h[1-6]|blockquote|pre)$/,
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inline: /^(?:bold|italic|underline|insertorderedlist|insertunorderedlist|indent|outdent|strikethrough)$/,
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source: /^(?:createlink|unlink)$/,
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insert: /^(?:inserthorizontalrule|insertimage|insert)$/,
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wrap: /^(?:code)$/
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};
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var lineBreakReg = /^(?:blockquote|pre|div)$/i;
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var effectNodeReg = /(?:[pubia]|h[1-6]|blockquote|[uo]l|li)/i;
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var strReg = {
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whiteSpace: /(^\s+)|(\s+$)/g,
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mailTo: /^(?!mailto:|.+\/|.+#|.+\?)(.*@.*\..+)$/,
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http: /^(?!\w+?:\/\/|mailto:|\/|\.\/|\?|#)(.*)$/
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};
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var autoLinkReg = {
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url: /((https?|ftp):\/\/|www\.)[^\s<]{3,}/gi,
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prefix: /^(?:https?|ftp):\/\//i,
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notLink: /^(?:img|a|input|audio|video|source|code|pre|script|head|title|style)$/i,
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maxLength: 100
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};
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// type detect
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utils.is = function(obj, type) {
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return toString.call(obj).slice(8, -1) === type;
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};
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utils.forEach = function(obj, iterator, arrayLike) {
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if (!obj) return;
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if (arrayLike == null) arrayLike = utils.is(obj, 'Array');
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if (arrayLike) {
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for (var i = 0, l = obj.length; i < l; i++) iterator(obj[i], i, obj);
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} else {
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for (var key in obj) {
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if (obj.hasOwnProperty(key)) iterator(obj[key], key, obj);
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}
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}
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};
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// copy props from a obj
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utils.copy = function(defaults, source) {
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utils.forEach(source, function (value, key) {
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defaults[key] = utils.is(value, 'Object') ? utils.copy({}, value) :
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utils.is(value, 'Array') ? utils.copy([], value) : value;
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});
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return defaults;
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};
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// log
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utils.log = function(message, force) {
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if (debugMode || force)
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console.log('%cPEN DEBUGGER: %c' + message, 'font-family:arial,sans-serif;color:#1abf89;line-height:2em;', 'font-family:cursor,monospace;color:#333;');
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};
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utils.delayExec = function (fn) {
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var timer = null;
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return function (delay) {
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clearTimeout(timer);
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timer = setTimeout(function() {
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fn();
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}, delay || 1);
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};
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};
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// merge: make it easy to have a fallback
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utils.merge = function(config) {
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// default settings
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var defaults = {
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class: 'pen',
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debug: false,
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toolbar: null, // custom toolbar
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stay: config.stay || !config.debug,
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stayMsg: 'Are you going to leave here?',
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textarea: '<textarea name="content"></textarea>',
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list: [
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'blockquote', 'h1', 'h2', 'p', 'code', 'insertorderedlist', 'insertunorderedlist', 'inserthorizontalrule',
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'indent', 'outdent', 'bold', 'italic', 'underline', 'createlink', 'insertimage'
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],
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titles: {},
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cleanAttrs: ['id', 'class', 'style', 'name'],
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cleanTags: ['script']
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};
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// user-friendly config
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if (config.nodeType === 1) {
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defaults.editor = config;
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} else if (config.match && config.match(/^#[\S]+$/)) {
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defaults.editor = doc.getElementById(config.slice(1));
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} else {
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defaults = utils.copy(defaults, config);
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}
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return defaults;
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};
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function commandOverall(ctx, cmd, val) {
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var message = ' to exec 「' + cmd + '」 command' + (val ? (' with value: ' + val) : '');
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try {
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doc.execCommand(cmd, false, val);
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} catch(err) {
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// TODO: there's an error when insert a image to document, bug not a bug
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return utils.log('fail' + message, true);
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}
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utils.log('success' + message);
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}
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function commandInsert(ctx, name, val) {
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var node = getNode(ctx);
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if (!node) return;
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ctx._range.selectNode(node);
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ctx._range.collapse(false);
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// hide menu when a image was inserted
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if(name === 'insertimage' && ctx._menu) toggleNode(ctx._menu, true);
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return commandOverall(ctx, name, val);
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}
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function commandBlock(ctx, name) {
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var list = effectNode(ctx, getNode(ctx), true);
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if (list.indexOf(name) !== -1) name = 'p';
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return commandOverall(ctx, 'formatblock', name);
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}
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function commandWrap(ctx, tag, value) {
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value = '<' + tag + '>' + (value||selection.toString()) + '</' + tag + '>';
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return commandOverall(ctx, 'insertHTML', value);
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}
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function initToolbar(ctx) {
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var icons = '', inputStr = '<input class="pen-input" placeholder="http://" />';
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ctx._toolbar = ctx.config.toolbar;
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if (!ctx._toolbar) {
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var toolList = ctx.config.list;
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utils.forEach(toolList, function (name) {
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var klass = 'pen-icon icon-' + name;
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var title = ctx.config.titles[name] || '';
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icons += '<i class="' + klass + '" data-action="' + name + '" title="' + title + '"></i>';
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}, true);
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if (toolList.indexOf('createlink') >= 0 || toolList.indexOf('insertimage') >= 0)
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icons += inputStr;
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} else if (ctx._toolbar.querySelectorAll('[data-action=createlink]').length ||
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ctx._toolbar.querySelectorAll('[data-action=insertimage]').length) {
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icons += inputStr;
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}
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if (icons) {
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ctx._menu = doc.createElement('div');
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ctx._menu.setAttribute('class', ctx.config.class + '-menu pen-menu');
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ctx._menu.innerHTML = icons;
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ctx._inputBar = ctx._menu.querySelector('input');
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toggleNode(ctx._menu, true);
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doc.body.appendChild(ctx._menu);
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}
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if (ctx._toolbar && ctx._inputBar) toggleNode(ctx._inputBar);
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}
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function initEvents(ctx) {
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var toolbar = ctx._toolbar || ctx._menu, editor = ctx.config.editor;
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var toggleMenu = utils.delayExec(function() {
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ctx.highlight().menu();
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});
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var outsideClick = function() {};
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function updateStatus(delay) {
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ctx._range = ctx.getRange();
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toggleMenu(delay);
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}
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if (ctx._menu) {
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var setpos = function() {
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if (ctx._menu.style.display === 'block') ctx.menu();
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};
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// change menu offset when window resize / scroll
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addListener(ctx, root, 'resize', setpos);
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addListener(ctx, root, 'scroll', setpos);
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// toggle toolbar on mouse select
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var selecting = false;
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addListener(ctx, editor, 'mousedown', function() {
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selecting = true;
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});
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addListener(ctx, editor, 'mouseleave', function() {
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if (selecting) updateStatus(800);
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selecting = false;
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});
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addListener(ctx, editor, 'mouseup', function() {
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if (selecting) updateStatus(100);
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selecting = false;
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});
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// Hide menu when focusing outside of editor
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outsideClick = function(e) {
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if (ctx._menu && !containsNode(editor, e.target) && !containsNode(ctx._menu, e.target)) {
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removeListener(ctx, doc, 'click', outsideClick);
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toggleMenu(100);
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}
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};
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} else {
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addListener(ctx, editor, 'click', function() {
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updateStatus(0);
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});
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}
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addListener(ctx, editor, 'keyup', function(e) {
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if (e.which === 8 && ctx.isEmpty()) return lineBreak(ctx, true);
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// toggle toolbar on key select
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if (e.which !== 13 || e.shiftKey) return updateStatus(400);
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var node = getNode(ctx, true);
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if (!node || !node.nextSibling || !lineBreakReg.test(node.nodeName)) return;
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if (node.nodeName !== node.nextSibling.nodeName) return;
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// hack for webkit, make 'enter' behavior like as firefox.
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if (node.lastChild.nodeName !== 'BR') node.appendChild(doc.createElement('br'));
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utils.forEach(node.nextSibling.childNodes, function(child) {
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if (child) node.appendChild(child);
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}, true);
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node.parentNode.removeChild(node.nextSibling);
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focusNode(ctx, node.lastChild, ctx.getRange());
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});
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// check line break
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addListener(ctx, editor, 'keydown', function(e) {
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editor.classList.remove('pen-placeholder');
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if (e.which !== 13 || e.shiftKey) return;
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var node = getNode(ctx, true);
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if (!node || !lineBreakReg.test(node.nodeName)) return;
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var lastChild = node.lastChild;
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if (!lastChild || !lastChild.previousSibling) return;
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if (lastChild.previousSibling.textContent || lastChild.textContent) return;
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// quit block mode for 2 'enter'
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e.preventDefault();
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var p = doc.createElement('p');
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p.innerHTML = '<br>';
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node.removeChild(lastChild);
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if (!node.nextSibling) node.parentNode.appendChild(p);
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else node.parentNode.insertBefore(p, node.nextSibling);
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focusNode(ctx, p, ctx.getRange());
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});
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var menuApply = function(action, value) {
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ctx.execCommand(action, value);
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ctx._range = ctx.getRange();
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ctx.highlight().menu();
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};
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// toggle toolbar on key select
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addListener(ctx, toolbar, 'click', function(e) {
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var node = e.target, action;
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while (node !== toolbar && !(action = node.getAttribute('data-action'))) {
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node = node.parentNode;
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}
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if (!action) return;
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if (!/(?:createlink)|(?:insertimage)/.test(action)) return menuApply(action);
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if (!ctx._inputBar) return;
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// create link
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var input = ctx._inputBar;
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if (toolbar === ctx._menu) toggleNode(input);
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else {
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ctx._inputActive = true;
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ctx.menu();
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}
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if (ctx._menu.style.display === 'none') return;
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setTimeout(function() { input.focus(); }, 400);
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var createlink = function() {
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var inputValue = input.value;
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if (!inputValue) action = 'unlink';
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else {
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inputValue = input.value
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.replace(strReg.whiteSpace, '')
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.replace(strReg.mailTo, 'mailto:$1')
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.replace(strReg.http, 'http://$1');
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}
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menuApply(action, inputValue);
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if (toolbar === ctx._menu) toggleNode(input, false);
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else toggleNode(ctx._menu, true);
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};
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input.onkeypress = function(e) {
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if (e.which === 13) return createlink();
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};
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});
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// listen for placeholder
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addListener(ctx, editor, 'focus', function() {
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if (ctx.isEmpty()) lineBreak(ctx, true);
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addListener(ctx, doc, 'click', outsideClick);
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});
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addListener(ctx, editor, 'blur', function() {
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checkPlaceholder(ctx);
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ctx.checkContentChange();
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});
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// listen for paste and clear style
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addListener(ctx, editor, 'paste', function() {
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setTimeout(function() {
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ctx.cleanContent();
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});
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});
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}
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function addListener(ctx, target, type, listener) {
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if (ctx._events.hasOwnProperty(type)) {
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ctx._events[type].push(listener);
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} else {
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ctx._eventTargets = ctx._eventTargets || [];
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ctx._eventsCache = ctx._eventsCache || [];
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var index = ctx._eventTargets.indexOf(target);
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if (index < 0) index = ctx._eventTargets.push(target) - 1;
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ctx._eventsCache[index] = ctx._eventsCache[index] || {};
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ctx._eventsCache[index][type] = ctx._eventsCache[index][type] || [];
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ctx._eventsCache[index][type].push(listener);
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target.addEventListener(type, listener, false);
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}
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return ctx;
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}
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// trigger local events
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function triggerListener(ctx, type) {
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if (!ctx._events.hasOwnProperty(type)) return;
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var args = slice.call(arguments, 2);
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utils.forEach(ctx._events[type], function (listener) {
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listener.apply(ctx, args);
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});
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}
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function removeListener(ctx, target, type, listener) {
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var events = ctx._events[type];
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if (!events) {
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var _index = ctx._eventTargets.indexOf(target);
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if (_index >= 0) events = ctx._eventsCache[_index][type];
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}
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if (!events) return ctx;
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var index = events.indexOf(listener);
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if (index >= 0) events.splice(index, 1);
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target.removeEventListener(type, listener, false);
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return ctx;
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}
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function removeAllListeners(ctx) {
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utils.forEach(this._events, function (events) {
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events.length = 0;
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}, false);
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if (!ctx._eventsCache) return ctx;
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utils.forEach(ctx._eventsCache, function (events, index) {
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var target = ctx._eventTargets[index];
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utils.forEach(events, function (listeners, type) {
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utils.forEach(listeners, function (listener) {
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target.removeEventListener(type, listener, false);
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}, true);
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}, false);
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}, true);
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ctx._eventTargets = [];
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ctx._eventsCache = [];
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return ctx;
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}
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function checkPlaceholder(ctx) {
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ctx.config.editor.classList[ctx.isEmpty() ? 'add' : 'remove']('pen-placeholder');
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}
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function trim(str) {
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return (str || '').replace(/^\s+|\s+$/g, '');
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}
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// node.contains is not implemented in IE10/IE11
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function containsNode(parent, child) {
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if (parent === child) return true;
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child = child.parentNode;
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while (child) {
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if (child === parent) return true;
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child = child.parentNode;
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}
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return false;
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}
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function getNode(ctx, byRoot) {
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var node, root = ctx.config.editor;
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ctx._range = ctx._range || ctx.getRange();
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node = ctx._range.commonAncestorContainer;
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if (!node || node === root) return null;
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while (node && (node.nodeType !== 1) && (node.parentNode !== root)) node = node.parentNode;
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while (node && byRoot && (node.parentNode !== root)) node = node.parentNode;
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return containsNode(root, node) ? node : null;
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}
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// node effects
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function effectNode(ctx, el, returnAsNodeName) {
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var nodes = [];
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el = el || ctx.config.editor;
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while (el && el !== ctx.config.editor) {
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if (el.nodeName.match(effectNodeReg)) {
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nodes.push(returnAsNodeName ? el.nodeName.toLowerCase() : el);
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}
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el = el.parentNode;
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}
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return nodes;
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}
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// breakout from node
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function lineBreak(ctx, empty) {
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var range = ctx._range = ctx.getRange(), node = doc.createElement('p');
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if (empty) ctx.config.editor.innerHTML = '';
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node.innerHTML = '<br>';
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range.insertNode(node);
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focusNode(ctx, node.childNodes[0], range);
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}
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function focusNode(ctx, node, range) {
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range.setStartAfter(node);
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range.setEndBefore(node);
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range.collapse(false);
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ctx.setRange(range);
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}
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function autoLink(node) {
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if (node.nodeType === 1) {
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if (autoLinkReg.notLink.test(node.tagName)) return;
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utils.forEach(node.childNodes, function (child) {
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autoLink(child);
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}, true);
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} else if (node.nodeType === 3) {
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var result = urlToLink(node.nodeValue || '');
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if (!result.links) return;
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var frag = doc.createDocumentFragment(),
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div = doc.createElement('div');
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div.innerHTML = result.text;
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while (div.childNodes.length) frag.appendChild(div.childNodes[0]);
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node.parentNode.replaceChild(frag, node);
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}
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}
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function urlToLink(str) {
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var count = 0;
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str = str.replace(autoLinkReg.url, function(url) {
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var realUrl = url, displayUrl = url;
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count++;
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if (url.length > autoLinkReg.maxLength) displayUrl = url.slice(0, autoLinkReg.maxLength) + '...';
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// Add http prefix if necessary
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if (!autoLinkReg.prefix.test(realUrl)) realUrl = 'http://' + realUrl;
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return '<a href="' + realUrl + '">' + displayUrl + '</a>';
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});
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return {links: count, text: str};
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}
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function toggleNode(node, hide) {
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node.style.display = hide ? 'none' : 'block';
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}
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Pen = function(config) {
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if (!config) throw new Error('Can\'t find config');
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debugMode = config.debug;
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// merge user config
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var defaults = utils.merge(config);
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var editor = defaults.editor;
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if (!editor || editor.nodeType !== 1) throw new Error('Can\'t find editor');
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// set default class
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editor.classList.add(defaults.class);
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// set contenteditable
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editor.setAttribute('contenteditable', 'true');
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// assign config
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this.config = defaults;
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// set placeholder
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if (defaults.placeholder) editor.setAttribute('data-placeholder', defaults.placeholder);
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checkPlaceholder(this);
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// save the selection obj
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this.selection = selection;
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// define local events
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this._events = {change: []};
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// enable toolbar
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initToolbar(this);
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// init events
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initEvents(this);
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// to check content change
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this._prevContent = this.getContent();
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// enable markdown covert
|
|
if (this.markdown) this.markdown.init(this);
|
|
|
|
// stay on the page
|
|
if (this.config.stay) this.stay(this.config);
|
|
|
|
};
|
|
|
|
Pen.prototype.on = function(type, listener) {
|
|
addListener(this, this.config.editor, type, listener);
|
|
return this;
|
|
};
|
|
|
|
Pen.prototype.isEmpty = function(node) {
|
|
node = node || this.config.editor;
|
|
return !(node.querySelector('img')) && !(node.querySelector('blockquote')) &&
|
|
!(node.querySelector('li')) && !trim(node.textContent);
|
|
};
|
|
|
|
Pen.prototype.getContent = function() {
|
|
return this.isEmpty() ? '' : trim(this.config.editor.innerHTML);
|
|
};
|
|
|
|
Pen.prototype.setContent = function(html) {
|
|
this.config.editor.innerHTML = html;
|
|
this.cleanContent();
|
|
return this;
|
|
};
|
|
|
|
Pen.prototype.checkContentChange = function () {
|
|
var prevContent = this._prevContent, currentContent = this.getContent();
|
|
if (prevContent === currentContent) return;
|
|
this._prevContent = currentContent;
|
|
triggerListener(this, 'change', currentContent, prevContent);
|
|
};
|
|
|
|
Pen.prototype.getRange = function() {
|
|
var editor = this.config.editor, range = selection.rangeCount && selection.getRangeAt(0);
|
|
if (!range) range = doc.createRange();
|
|
if (!containsNode(editor, range.commonAncestorContainer)) {
|
|
range.selectNodeContents(editor);
|
|
range.collapse(false);
|
|
}
|
|
return range;
|
|
};
|
|
|
|
Pen.prototype.setRange = function(range) {
|
|
range = range || this._range;
|
|
if (!range) {
|
|
range = this.getRange();
|
|
range.collapse(false); // set to end
|
|
}
|
|
try {
|
|
selection.removeAllRanges();
|
|
selection.addRange(range);
|
|
} catch (e) {/* IE throws error sometimes*/}
|
|
return this;
|
|
};
|
|
|
|
Pen.prototype.focus = function(focusStart) {
|
|
if (!focusStart) this.setRange();
|
|
this.config.editor.focus();
|
|
return this;
|
|
};
|
|
|
|
Pen.prototype.execCommand = function(name, value) {
|
|
name = name.toLowerCase();
|
|
this.setRange();
|
|
|
|
if (commandsReg.block.test(name)) {
|
|
commandBlock(this, name);
|
|
} else if (commandsReg.inline.test(name) || commandsReg.source.test(name)) {
|
|
commandOverall(this, name, value);
|
|
} else if (commandsReg.insert.test(name)) {
|
|
commandInsert(this, name, value);
|
|
} else if (commandsReg.wrap.test(name)) {
|
|
commandWrap(this, name, value);
|
|
} else {
|
|
utils.log('can not find command function for name: ' + name + (value ? (', value: ' + value) : ''), true);
|
|
}
|
|
if (name === 'indent') this.checkContentChange();
|
|
else this.cleanContent({cleanAttrs: ['style']});
|
|
};
|
|
|
|
// remove attrs and tags
|
|
// pen.cleanContent({cleanAttrs: ['style'], cleanTags: ['id']})
|
|
Pen.prototype.cleanContent = function(options) {
|
|
var editor = this.config.editor;
|
|
|
|
if (!options) options = this.config;
|
|
utils.forEach(options.cleanAttrs, function (attr) {
|
|
utils.forEach(editor.querySelectorAll('[' + attr + ']'), function(item) {
|
|
item.removeAttribute(attr);
|
|
}, true);
|
|
}, true);
|
|
utils.forEach(options.cleanTags, function (tag) {
|
|
utils.forEach(editor.querySelectorAll(tag), function(item) {
|
|
item.parentNode.removeChild(item);
|
|
}, true);
|
|
}, true);
|
|
|
|
checkPlaceholder(this);
|
|
this.checkContentChange();
|
|
return this;
|
|
};
|
|
|
|
// auto link content, return content
|
|
Pen.prototype.autoLink = function() {
|
|
autoLink(this.config.editor);
|
|
return this.getContent();
|
|
};
|
|
|
|
// highlight menu
|
|
Pen.prototype.highlight = function() {
|
|
var toolbar = this._toolbar || this._menu
|
|
, node = getNode(this);
|
|
// remove all highlights
|
|
utils.forEach(toolbar.querySelectorAll('.active'), function(el) {
|
|
el.classList.remove('active');
|
|
}, true);
|
|
|
|
if (!node) return this;
|
|
|
|
var effects = effectNode(this, node)
|
|
, inputBar = this._inputBar
|
|
, highlight;
|
|
|
|
if (inputBar && toolbar === this._menu) {
|
|
// display link input if createlink enabled
|
|
inputBar.style.display = 'none';
|
|
// reset link input value
|
|
inputBar.value = '';
|
|
}
|
|
|
|
highlight = function(str) {
|
|
if (!str) return;
|
|
var el = toolbar.querySelector('[data-action=' + str + ']');
|
|
return el && el.classList.add('active');
|
|
};
|
|
utils.forEach(effects, function(item) {
|
|
var tag = item.nodeName.toLowerCase();
|
|
switch(tag) {
|
|
case 'a':
|
|
if (inputBar) inputBar.value = item.getAttribute('href');
|
|
tag = 'createlink';
|
|
break;
|
|
case 'img':
|
|
if (inputBar) inputBar.value = item.getAttribute('src');
|
|
tag = 'insertimage';
|
|
break;
|
|
case 'i':
|
|
tag = 'italic';
|
|
break;
|
|
case 'u':
|
|
tag = 'underline';
|
|
break;
|
|
case 'strike':
|
|
tag = 'strikethrough';
|
|
break;
|
|
case 'b':
|
|
tag = 'bold';
|
|
break;
|
|
case 'pre':
|
|
case 'code':
|
|
tag = 'code';
|
|
break;
|
|
case 'ul':
|
|
tag = 'insertunorderedlist';
|
|
break;
|
|
case 'ol':
|
|
tag = 'insertorderedlist';
|
|
break;
|
|
case 'li':
|
|
tag = 'indent';
|
|
break;
|
|
}
|
|
highlight(tag);
|
|
}, true);
|
|
|
|
return this;
|
|
};
|
|
|
|
// show menu
|
|
Pen.prototype.menu = function() {
|
|
if (!this._menu) return this;
|
|
if (selection.isCollapsed) {
|
|
this._menu.style.display = 'none'; //hide menu
|
|
this._inputActive = false;
|
|
return this;
|
|
}
|
|
if (this._toolbar) {
|
|
if (!this._inputBar || !this._inputActive) return this;
|
|
}
|
|
var offset = this._range.getBoundingClientRect()
|
|
, menuPadding = 10
|
|
, top = offset.top - menuPadding
|
|
, left = offset.left + (offset.width / 2)
|
|
, menu = this._menu
|
|
, menuOffset = {x: 0, y: 0}
|
|
, stylesheet = this._stylesheet;
|
|
|
|
// fixes some browser double click visual discontinuity
|
|
// if the offset has no width or height it should not be used
|
|
if (offset.width === 0 && offset.height === 0) return this;
|
|
|
|
// store the stylesheet used for positioning the menu horizontally
|
|
if (this._stylesheet === undefined) {
|
|
var style = document.createElement("style");
|
|
document.head.appendChild(style);
|
|
this._stylesheet = stylesheet = style.sheet;
|
|
}
|
|
// display block to caculate its width & height
|
|
menu.style.display = 'block';
|
|
|
|
menuOffset.x = left - (menu.clientWidth / 2);
|
|
menuOffset.y = top - menu.clientHeight;
|
|
|
|
// check to see if menu has over-extended its bounding box. if it has,
|
|
// 1) apply a new class if overflowed on top;
|
|
// 2) apply a new rule if overflowed on the left
|
|
if (stylesheet.cssRules.length > 0) {
|
|
stylesheet.deleteRule(0);
|
|
}
|
|
if (menuOffset.x < 0) {
|
|
menuOffset.x = 0;
|
|
stylesheet.insertRule('.pen-menu:after {left: ' + left + 'px;}', 0);
|
|
} else {
|
|
stylesheet.insertRule('.pen-menu:after {left: 50%; }', 0);
|
|
}
|
|
if (menuOffset.y < 0) {
|
|
menu.classList.add('pen-menu-below');
|
|
menuOffset.y = offset.top + offset.height + menuPadding;
|
|
} else {
|
|
menu.classList.remove('pen-menu-below');
|
|
}
|
|
|
|
menu.style.top = menuOffset.y + 'px';
|
|
menu.style.left = menuOffset.x + 'px';
|
|
return this;
|
|
};
|
|
|
|
Pen.prototype.stay = function(config) {
|
|
var ctx = this;
|
|
if (!window.onbeforeunload) {
|
|
window.onbeforeunload = function() {
|
|
if (!ctx._isDestroyed) return config.stayMsg;
|
|
};
|
|
}
|
|
};
|
|
|
|
Pen.prototype.destroy = function(isAJoke) {
|
|
var destroy = isAJoke ? false : true
|
|
, attr = isAJoke ? 'setAttribute' : 'removeAttribute';
|
|
|
|
if (!isAJoke) {
|
|
removeAllListeners(this);
|
|
try {
|
|
selection.removeAllRanges();
|
|
if (this._menu) this._menu.parentNode.removeChild(this._menu);
|
|
} catch (e) {/* IE throws error sometimes*/}
|
|
} else {
|
|
initToolbar(this);
|
|
initEvents(this);
|
|
}
|
|
this._isDestroyed = destroy;
|
|
this.config.editor[attr]('contenteditable', '');
|
|
|
|
return this;
|
|
};
|
|
|
|
Pen.prototype.rebuild = function() {
|
|
return this.destroy('it\'s a joke');
|
|
};
|
|
|
|
// a fallback for old browers
|
|
root.Pen = function(config) {
|
|
if (!config) return utils.log('can\'t find config', true);
|
|
|
|
var defaults = utils.merge(config)
|
|
, klass = defaults.editor.getAttribute('class');
|
|
|
|
klass = klass ? klass.replace(/\bpen\b/g, '') + ' pen-textarea ' + defaults.class : 'pen pen-textarea';
|
|
defaults.editor.setAttribute('class', klass);
|
|
defaults.editor.innerHTML = defaults.textarea;
|
|
return defaults.editor;
|
|
};
|
|
|
|
// export content as markdown
|
|
var regs = {
|
|
a: [/<a\b[^>]*href=["']([^"]+|[^']+)\b[^>]*>(.*?)<\/a>/ig, '[$2]($1)'],
|
|
img: [/<img\b[^>]*src=["']([^\"+|[^']+)[^>]*>/ig, ''],
|
|
b: [/<b\b[^>]*>(.*?)<\/b>/ig, '**$1**'],
|
|
i: [/<i\b[^>]*>(.*?)<\/i>/ig, '***$1***'],
|
|
h: [/<h([1-6])\b[^>]*>(.*?)<\/h\1>/ig, function(a, b, c) {
|
|
return '\n' + ('######'.slice(0, b)) + ' ' + c + '\n';
|
|
}],
|
|
li: [/<(li)\b[^>]*>(.*?)<\/\1>/ig, '* $2\n'],
|
|
blockquote: [/<(blockquote)\b[^>]*>(.*?)<\/\1>/ig, '\n> $2\n'],
|
|
pre: [/<pre\b[^>]*>(.*?)<\/pre>/ig, '\n```\n$1\n```\n'],
|
|
p: [/<p\b[^>]*>(.*?)<\/p>/ig, '\n$1\n'],
|
|
hr: [/<hr\b[^>]*>/ig, '\n---\n']
|
|
};
|
|
|
|
Pen.prototype.toMd = function() {
|
|
var html = this.getContent()
|
|
.replace(/\n+/g, '') // remove line break
|
|
.replace(/<([uo])l\b[^>]*>(.*?)<\/\1l>/ig, '$2'); // remove ul/ol
|
|
|
|
for(var p in regs) {
|
|
if (regs.hasOwnProperty(p))
|
|
html = html.replace.apply(html, regs[p]);
|
|
}
|
|
return html.replace(/\*{5}/g, '**');
|
|
};
|
|
|
|
// make it accessible
|
|
if (doc.getSelection) {
|
|
selection = doc.getSelection();
|
|
root.Pen = Pen;
|
|
}
|
|
|
|
}(window, document));
|
|
|