Proyectos de Subversion Moodle

<?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/>.

/**

 * Notification renderable component.

 *

 * @package    core

 * @copyright  2015 Jetha Chan

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

namespace core\output;

/**

 * Data structure representing a notification.

 *

 * @copyright 2015 Jetha Chan

 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 * @since Moodle 2.9

 * @package core

 * @category output

 */

class notification implements \renderable, \templatable {

    /**

     * A notification of level 'success'.

     */

    const NOTIFY_SUCCESS = 'success';

    /**

     * A notification of level 'warning'.

     */

    const NOTIFY_WARNING = 'warning';

    /**

     * A notification of level 'info'.

     */

    const NOTIFY_INFO = 'info';

    /**

     * A notification of level 'error'.

     */

    const NOTIFY_ERROR = 'error';

    /**

     * @var string Message payload.

     */

    protected $message = '';

    /**

     * @var string Message type.

     */

    protected $messagetype = self::NOTIFY_WARNING;

    /**

     * @var bool $announce Whether this notification should be announced assertively to screen readers.

     */

    protected $announce = true;

    /**

     * @var bool $closebutton Whether this notification should inlcude a button to dismiss itself.

     */

    protected $closebutton = true;

    /**

     * @var array $extraclasses A list of any extra classes that may be required.

     */

    protected $extraclasses = array();

    /**

     * Notification constructor.

     *

     * @param string $message the message to print out

     * @param ?string $messagetype one of the NOTIFY_* constants..

     * @param bool $closebutton Whether to show a close icon to remove the notification (default true).

     */

    public function __construct($message, $messagetype = null, $closebutton = true) {

        $this->message = $message;

        if (empty($messagetype)) {

            $messagetype = self::NOTIFY_ERROR;

        }

        $this->messagetype = $messagetype;

        $this->closebutton = $closebutton;

    }

    /**

     * Set whether this notification should be announced assertively to screen readers.

     *

     * @param bool $announce

     * @return $this

     */

    public function set_announce($announce = false) {

        $this->announce = (bool) $announce;

        return $this;

    }

    /**

     * Set whether this notification should include a button to disiss itself.

     *

     * @param bool $button

     * @return $this

     */

    public function set_show_closebutton($button = false) {

        $this->closebutton = (bool) $button;

        return $this;

    }

    /**

     * Add any extra classes that this notification requires.

     *

     * @param array $classes

     * @return $this

     */

    public function set_extra_classes($classes = array()) {

        $this->extraclasses = $classes;

        return $this;

    }

    /**

     * Get the message for this notification.

     *

     * @return string message

     */

    public function get_message() {

        return $this->message;

    }

    /**

     * Get the message type for this notification.

     *

     * @return string message type

     */

    public function get_message_type() {

        return $this->messagetype;

    }

    /**

     * Export this data so it can be used as the context for a mustache template.

     *

     * @param \renderer_base $output typically, the renderer that's calling this function

     * @return array data context for a mustache template

     */

    public function export_for_template(\renderer_base $output) {

        return array(

            'message'       => clean_text($this->message),

            'extraclasses'  => implode(' ', $this->extraclasses),

            'announce'      => $this->announce,

            'closebutton'   => $this->closebutton,

            'issuccess'         => $this->messagetype === 'success',

            'isinfo'            => $this->messagetype === 'info',

            'iswarning'         => $this->messagetype === 'warning',

            'iserror'           => $this->messagetype === 'error',

        );

    }

    public function get_template_name() {

        $templatemappings = [

            // Current types mapped to template names.

            'success'           => 'core/notification_success',

            'info'              => 'core/notification_info',

            'warning'           => 'core/notification_warning',

            'error'             => 'core/notification_error',

        ];

        if (isset($templatemappings[$this->messagetype])) {

            return $templatemappings[$this->messagetype];

        }

        return $templatemappings['error'];

    }

}