Merge branch 'MDL-41912-master' of git://github.com/damyon/moodle

[moodle.git] / lib / editor / atto / lib.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * YUI text editor integration.
 *
 * @package    editor_atto
 * @copyright  2013 Damyon Wiese  <damyon@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * This is the texteditor implementation.
 * @copyright  2013 Damyon Wiese  <damyon@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class atto_texteditor extends texteditor {

    /**
     * Is the current browser supported by this editor?
     *
     * Of course!
     * @return bool
     */
    public function supported_by_browser() {
        return true;
    }

    /**
     * Returns array of supported text formats.
     * @return array
     */
    public function get_supported_formats() {
        // FORMAT_MOODLE is not supported here, sorry.
        return array(FORMAT_HTML => FORMAT_HTML);
    }

    /**
     * Returns text format preferred by this editor.
     * @return int
     */
    public function get_preferred_format() {
        return FORMAT_HTML;
    }

    /**
     * Does this editor support picking from repositories?
     * @return bool
     */
    public function supports_repositories() {
        return true;
    }

    /**
     * Use this editor for give element.
     *
     * @param string $elementid
     * @param array $options
     * @param null $fpoptions
     */
    public function use_editor($elementid, array $options=null, $fpoptions=null) {
        global $PAGE;
        $PAGE->requires->yui_module('moodle-editor_atto-editor',
                                    'M.editor_atto.init',
                                    array($this->get_init_params($elementid, $options, $fpoptions)), true);

        $plugins = core_component::get_plugin_list('atto');

        foreach ($plugins as $name => $fulldir) {
            $plugins[$name] = component_callback('atto_' . $name, 'sort_order', array($elementid));
        }

        asort($plugins);
        foreach ($plugins as $name => $sort) {
            component_callback('atto_' . $name, 'init_editor', array($elementid));
        }

    }

    /**
     * Create a params array to init the editor.
     *
     * @param string $elementid
     * @param array $options
     * @param array $fpoptions
     */
    protected function get_init_params($elementid, array $options=null, array $fpoptions=null) {
        global $PAGE;

        $directionality = get_string('thisdirection', 'langconfig');
        $strtime        = get_string('strftimetime');
        $strdate        = get_string('strftimedaydate');
        $lang           = current_language();
        $contentcss     = $PAGE->theme->editor_css_url()->out(false);

        $params = array(
            'elementid' => $elementid,
            'content_css' => $contentcss,
            'language' => $lang,
            'directionality' => $directionality,
            'filepickeroptions' => array()
        );
        if ($fpoptions) {
            $params['filepickeroptions'] = $fpoptions;
        }
        return $params;
    }
}