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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package atto_managefiles
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* @copyright 2014 Frédéric Massart
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* @module moodle-atto-managefiles-button
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*/
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/**
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* Atto text editor managefiles plugin.
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*
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* @namespace M.atto_link
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* @class button
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* @extends M.editor_atto.EditorPlugin
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*/
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var LOGNAME = 'atto_managefiles',
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CAN_RECEIVE_FOCUS_SELECTOR = '.fp-navbar a:not([disabled])',
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FILE_MANAGER_SELECTOR = '#fitem_id_files_filemanager';
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Y.namespace('M.atto_managefiles').Button = Y.Base.create('button', Y.M.editor_atto.EditorPlugin, [], {
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/**
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* A reference to the current selection at the time that the dialogue
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* was opened.
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*
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* @property _currentSelection
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* @type Range
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* @private
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*/
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_currentSelection: null,
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initializer: function() {
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if (this.get('disabled')) {
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return;
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}
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var host = this.get('host'),
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area = this.get('area'),
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options = host.get('filepickeroptions');
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if (options.image && options.image.itemid) {
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area.itemid = options.image.itemid;
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this.set('area', area);
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} else {
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Y.log('Plugin managefiles not available because itemid is missing.',
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'warn', LOGNAME);
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return;
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}
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this.addButton({
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icon: 'e/manage_files',
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callback: this._displayDialogue
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});
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},
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/**
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* Display the manage files.
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*
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* @method _displayDialogue
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* @private
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*/
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_displayDialogue: function(e) {
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e.preventDefault();
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var dialogue = this.getDialogue({
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headerContent: M.util.get_string('managefiles', LOGNAME),
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width: '800px',
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focusAfterHide: true
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});
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var iframe = Y.Node.create('<iframe></iframe>');
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// We set the height here because otherwise it is really small. That might not look
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// very nice on mobile devices, but we considered that enough for now.
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iframe.setStyles({
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height: '700px',
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border: 'none',
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width: '100%'
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});
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iframe.setAttribute('src', this._getIframeURL());
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// Focus on the first focusable element of the file manager after it is fully loaded.
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iframe.on('load', function(e, frame) {
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var fileManager = frame.getDOMNode().contentDocument.querySelector(FILE_MANAGER_SELECTOR);
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// The file manager component is loaded asynchronously after the page is loaded.
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// We check for the presence of .fm-loaded every 200 ms to determine if the file manager is loaded yet.
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var intervalId = setInterval(function() {
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if (fileManager.querySelector('.fm-loaded')) {
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var firstFocusableElement = fileManager.querySelector(CAN_RECEIVE_FOCUS_SELECTOR);
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if (firstFocusableElement) {
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firstFocusableElement.focus();
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}
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clearInterval(intervalId);
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}
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}, 200);
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}, this, iframe);
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dialogue.set('bodyContent', iframe)
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.show();
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this.markUpdated();
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},
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/**
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* Returns the URL to the file manager.
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*
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* @param _getIframeURL
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* @return {String} URL
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* @private
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*/
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_getIframeURL: function() {
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var args = Y.mix({
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elementid: this.get('host').get('elementid')
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},
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this.get('area'));
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return M.cfg.wwwroot + '/lib/editor/atto/plugins/managefiles/manage.php?' +
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Y.QueryString.stringify(args);
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}
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}, {
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ATTRS: {
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disabled: {
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value: true
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},
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area: {
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value: {}
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}
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}
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});
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