mirror of
https://github.com/codex-team/editor.js
synced 2024-04-27 12:32:08 +02:00
390 lines
8.6 KiB
JavaScript
390 lines
8.6 KiB
JavaScript
/**
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* Codex Editor Core
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*
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* @author Codex Team
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* @version 1.1.3
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*/
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module.exports = (function (core) {
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let editor = codex.editor;
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/**
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* @public
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*
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* Editor preparing method
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* @return Promise
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*/
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core.prepare = function (userSettings) {
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return new Promise(function (resolve, reject) {
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if ( userSettings ) {
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editor.settings.tools = userSettings.tools || editor.settings.tools;
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}
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if (userSettings.data) {
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editor.state.blocks = userSettings.data;
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}
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if (userSettings.initialBlockPlugin) {
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editor.settings.initialBlockPlugin = userSettings.initialBlockPlugin;
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}
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if (userSettings.sanitizer) {
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editor.settings.sanitizer = userSettings.sanitizer;
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}
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editor.hideToolbar = userSettings.hideToolbar;
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editor.settings.placeholder = userSettings.placeholder || '';
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editor.nodes.holder = document.getElementById(userSettings.holderId || editor.settings.holderId);
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if (typeof editor.nodes.holder === undefined || editor.nodes.holder === null) {
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reject(Error("Holder wasn't found by ID: #" + userSettings.holderId));
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} else {
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resolve();
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}
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});
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};
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/**
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* Logging method
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* @param type = ['log', 'info', 'warn']
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*/
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core.log = function (msg, type, arg) {
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type = type || 'log';
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if (!arg) {
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arg = msg || 'undefined';
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msg = '[codex-editor]: %o';
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} else {
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msg = '[codex-editor]: ' + msg;
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}
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try{
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if ( 'console' in window && window.console[ type ] ) {
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if ( arg ) window.console[ type ]( msg, arg );
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else window.console[ type ]( msg );
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}
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}catch(e) {}
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};
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/**
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* @protected
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*
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* Helper for insert one element after another
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*/
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core.insertAfter = function (target, element) {
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target.parentNode.insertBefore(element, target.nextSibling);
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};
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/**
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* @const
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*
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* Readable DOM-node types map
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*/
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core.nodeTypes = {
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TAG : 1,
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TEXT : 3,
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COMMENT : 8,
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DOCUMENT_FRAGMENT: 11
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};
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/**
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* @const
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* Readable keys map
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*/
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core.keys = { BACKSPACE: 8, TAB: 9, ENTER: 13, SHIFT: 16, CTRL: 17, ALT: 18, ESC: 27, SPACE: 32, LEFT: 37, UP: 38, DOWN: 40, RIGHT: 39, DELETE: 46, META: 91 };
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/**
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* @protected
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*
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* Check object for DOM node
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*/
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core.isDomNode = function (el) {
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return el && typeof el === 'object' && el.nodeType && el.nodeType == this.nodeTypes.TAG;
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};
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/**
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* Checks passed object for emptiness
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* @require ES5 - Object.keys
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* @param {object}
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*/
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core.isEmpty = function ( obj ) {
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return Object.keys(obj).length === 0;
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};
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/**
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* Native Ajax
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* @param {String} settings.url - request URL
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* @param {function} settings.beforeSend - returned value will be passed as context to the Success, Error and Progress callbacks
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* @param {function} settings.success
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* @param {function} settings.progress
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*/
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core.ajax = function (settings) {
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if (!settings || !settings.url) {
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return;
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}
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var XMLHTTP = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP'),
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encodedString,
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isFormData,
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prop;
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settings.async = true;
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settings.type = settings.type || 'GET';
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settings.data = settings.data || '';
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settings['content-type'] = settings['content-type'] || 'application/json; charset=utf-8';
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if (settings.type == 'GET' && settings.data) {
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settings.url = /\?/.test(settings.url) ? settings.url + '&' + settings.data : settings.url + '?' + settings.data;
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} else {
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encodedString = '';
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for(prop in settings.data) {
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encodedString += (prop + '=' + encodeURIComponent(settings.data[prop]) + '&');
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}
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}
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if (settings.withCredentials) {
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XMLHTTP.withCredentials = true;
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}
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/**
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* Value returned in beforeSend funtion will be passed as context to the other response callbacks
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* If beforeSend returns false, AJAX will be blocked
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*/
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let responseContext,
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beforeSendResult;
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if (typeof settings.beforeSend === 'function') {
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beforeSendResult = settings.beforeSend.call();
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if (beforeSendResult === false) {
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return;
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}
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}
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XMLHTTP.open( settings.type, settings.url, settings.async );
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/**
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* If we send FormData, we need no content-type header
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*/
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isFormData = isFormData_(settings.data);
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if (!isFormData) {
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if (settings.type !== 'POST') {
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XMLHTTP.setRequestHeader('Content-type', settings['content-type']);
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} else {
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XMLHTTP.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
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}
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}
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XMLHTTP.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
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responseContext = beforeSendResult || XMLHTTP;
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if (typeof settings.progress === 'function') {
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XMLHTTP.upload.onprogress = settings.progress.bind(responseContext);
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}
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XMLHTTP.onreadystatechange = function () {
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if (XMLHTTP.readyState === 4) {
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if (XMLHTTP.status === 200) {
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if (typeof settings.success === 'function') {
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settings.success.call(responseContext, XMLHTTP.responseText);
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}
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} else {
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if (typeof settings.error === 'function') {
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settings.error.call(responseContext, XMLHTTP.responseText, XMLHTTP.status);
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}
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}
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}
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};
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if (isFormData) {
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// Sending FormData
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XMLHTTP.send(settings.data);
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} else {
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// POST requests
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XMLHTTP.send(encodedString);
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}
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return XMLHTTP;
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};
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/**
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* Appends script to head of document
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* @return Promise
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*/
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core.importScript = function (scriptPath, instanceName) {
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return new Promise(function (resolve, reject) {
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let script;
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/** Script is already loaded */
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if ( !instanceName ) {
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reject('Instance name is missed');
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} else if ( document.getElementById(editor.scriptPrefix + instanceName) ) {
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resolve(scriptPath);
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}
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script = document.createElement('SCRIPT');
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script.async = true;
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script.defer = true;
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script.id = editor.scriptPrefix + instanceName;
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script.onload = function () {
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resolve(scriptPath);
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};
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script.onerror = function () {
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reject(scriptPath);
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};
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script.src = scriptPath;
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document.head.appendChild(script);
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});
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};
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/**
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* Function for checking is it FormData object to send.
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* @param {Object} object to check
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* @return boolean
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*/
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var isFormData_ = function (object) {
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return object instanceof FormData;
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};
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/**
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* Check block
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* @param target
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* @description Checks target is it native input
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*/
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core.isNativeInput = function (target) {
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var nativeInputAreas = ['INPUT', 'TEXTAREA'];
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return nativeInputAreas.indexOf(target.tagName) != -1;
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};
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/**
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* Check if block is empty
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* We should check block textContent, child native inputs and some exceptions like IMG and IFRAME
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*
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* @param block
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* @returns {boolean}
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*/
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core.isBlockEmpty = function (block) {
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const EXCEPTION_TAGS = ['IMG', 'IFRAME'];
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var nativeInputs = block.querySelectorAll('textarea, input'),
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nativeInputsAreEmpty = true,
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textContentIsEmpty = !block.textContent.trim();
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Array.prototype.forEach.call(nativeInputs, function (input) {
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if (input.type == 'textarea' || input.type == 'text') {
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nativeInputsAreEmpty = nativeInputsAreEmpty && !input.value.trim();
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}
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});
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return textContentIsEmpty && nativeInputsAreEmpty && !EXCEPTION_TAGS.includes(block.tagName);
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};
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return core;
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})({});
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