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media/plg_editors_tinymce/js/tinymce.js

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+import { JoomlaEditor, JoomlaEditorDecorator } from 'editor-api';
+
+/**
+ * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+/* global tinymce, tinyMCE */
+
+// Debounce ReInit per editor ID
+const reInitQueue = {};
+const debounceReInit = (editor, element, pluginOptions) => {
+  if (reInitQueue[element.id]) {
+    clearTimeout(reInitQueue[element.id]);
+  }
+  reInitQueue[element.id] = setTimeout(() => {
+    editor.remove();
+    JoomlaEditor.unregister(element.id);
+    Joomla.JoomlaTinyMCE.setupEditor(element, pluginOptions);
+  }, 500);
+};
+
+/**
+ * TinyMCE Decorator for JoomlaEditor
+ */
+class TinyMCEDecorator extends JoomlaEditorDecorator {
+  /**
+   * @returns {string}
+   */
+  getValue() {
+    return this.instance.getContent();
+  }
+
+  /**
+   * @param {String} value
+   * @returns {TinyMCEDecorator}
+   */
+  setValue(value) {
+    this.instance.setContent(value);
+    return this;
+  }
+
+  /**
+   * @returns {string}
+   */
+  getSelection() {
+    return this.instance.selection.getContent({
+      format: 'text'
+    });
+  }
+  replaceSelection(value) {
+    this.instance.execCommand('mceInsertContent', false, value);
+    return this;
+  }
+  disable(enable) {
+    this.instance.setMode(!enable ? 'readonly' : 'design');
+    return this;
+  }
+
+  /**
+   * Toggles the editor visibility mode. Used by Toggle button.
+   * Should be implemented by editor provider.
+   *
+   * @param {boolean} show Optional. True to show, false to hide.
+   *
+   * @returns {boolean} Return True when editor become visible, and false when become hidden.
+   */
+  toggle(show) {
+    let visible = false;
+    if (show || this.instance.isHidden()) {
+      this.instance.show();
+      visible = true;
+    } else {
+      this.instance.hide();
+    }
+    return visible;
+  }
+}
+Joomla.JoomlaTinyMCE = {
+  /**
+   * Find all TinyMCE elements and initialize TinyMCE instance for each
+   *
+   * @param {HTMLElement}  target  Target Element where to search for the editor element
+   *
+   * @since 3.7.0
+   */
+  setupEditors: target => {
+    const container = target || document;
+    const pluginOptions = Joomla.getOptions('plg_editor_tinymce', {});
+    const editors = container.querySelectorAll('.js-editor-tinymce');
+    editors.forEach(editor => {
+      const currentEditor = editor.querySelector('textarea');
+      const toggleButton = editor.querySelector('.js-tiny-toggler-button');
+      const toggleIcon = toggleButton.querySelector('.icon-eye');
+
+      // Set up the editor
+      Joomla.JoomlaTinyMCE.setupEditor(currentEditor, pluginOptions);
+
+      // Set up the toggle button
+      if (toggleButton) {
+        toggleButton.removeAttribute('disabled');
+      }
+
+      // Find out when editor is interacted
+      editor.addEventListener('click', event => {
+        JoomlaEditor.setActive(currentEditor.id);
+
+        // Check for the click on a toggle button
+        const toggler = event.target.closest('.js-tiny-toggler-button');
+        const ed = JoomlaEditor.getActive();
+        if (toggler && ed) {
+          const visible = ed.toggle();
+          if (toggleIcon) {
+            toggleIcon.setAttribute('class', visible ? 'icon-eye' : 'icon-eye-slash');
+          }
+        }
+      });
+    });
+  },
+  /**
+   * Initialize TinyMCE editor instance
+   *
+   * @param {HTMLElement}  element
+   * @param {Object}       pluginOptions
+   *
+   * @since 3.7.0
+   */
+  setupEditor: (element, pluginOptions) => {
+    // Check whether the editor already has been set
+    if (JoomlaEditor.get(element.id)) {
+      return;
+    }
+    const name = element ? element.getAttribute('name').replace(/\[\]|\]/g, '').split('[').pop() : 'default'; // Get Editor name
+    const tinyMCEOptions = pluginOptions ? pluginOptions.tinyMCE || {} : {};
+    const defaultOptions = tinyMCEOptions.default || {};
+    // Check specific options by the name
+    let options = tinyMCEOptions[name] ? tinyMCEOptions[name] : defaultOptions;
+
+    // Avoid an unexpected changes, and copy the options object
+    if (options.joomlaMergeDefaults) {
+      options = Joomla.extend(Joomla.extend({}, defaultOptions), options);
+    } else {
+      options = Joomla.extend({}, options);
+    }
+    if (element) {
+      // We already have the Target, so reset the selector and assign given element as target
+      options.selector = null;
+      options.target = element;
+    }
+
+    // Ensure tinymce is initialised in readonly mode if the textarea has readonly applied
+    let readOnlyMode = false;
+    if (element) {
+      readOnlyMode = element.readOnly;
+    }
+    options.setup = editor => {
+      editor.mode.set(readOnlyMode ? 'readonly' : 'design');
+    };
+
+    // We'll take over the onSubmit event
+    options.init_instance_callback = editor => {
+      editor.on('submit', () => {
+        if (editor.isHidden()) {
+          editor.show();
+        }
+      }, true);
+    };
+
+    // Create a new instance
+    const ed = new tinyMCE.Editor(element.id, options, tinymce.EditorManager);
+    // Create a decorator
+    const jEditor = new TinyMCEDecorator(ed, 'tinymce', element.id);
+
+    // Work around iframe behavior, when iframe element changes location in DOM and losing its content.
+    // Re init editor when iframe is reloaded.
+    if (!ed.inline) {
+      let isReady = false;
+      let isRendered = false;
+      const listenIframeReload = () => {
+        const $iframe = ed.getContentAreaContainer().querySelector('iframe');
+        $iframe.addEventListener('load', () => {
+          debounceReInit(ed, element, pluginOptions);
+        });
+      };
+
+      // Make sure iframe is fully loaded.
+      // This works differently in different browsers, so have to listen both "load" and "PostRender" events.
+      ed.on('load', () => {
+        isReady = true;
+        if (isRendered) {
+          listenIframeReload();
+        }
+      });
+      ed.on('PostRender', () => {
+        isRendered = true;
+        if (isReady) {
+          listenIframeReload();
+        }
+      });
+    }
+
+    // Find out when editor is interacted
+    ed.on('focus', () => {
+      JoomlaEditor.setActive(jEditor);
+    });
+
+    // Render the editor
+    ed.render();
+    // Register the editor's instance to JoomlaEditor
+    JoomlaEditor.register(jEditor);
+  }
+};
+
+/**
+ * Initialize at an initial page load
+ */
+document.addEventListener('DOMContentLoaded', () => {
+  Joomla.JoomlaTinyMCE.setupEditors(document);
+});
+
+/**
+ * Initialize when a part of the page was updated
+ */
+document.addEventListener('joomla:updated', ({
+  target
+}) => Joomla.JoomlaTinyMCE.setupEditors(target));