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/>.

/**

 * This file defines a base class for all grading strategy editing forms.

 *

 * @package    mod_workshop

 * @copyright  2009 David Mudrak <david.mudrak@gmail.com>

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

 */

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

require_once($CFG->libdir . '/formslib.php'); // parent class definition

/**

 * Base class for editing all the strategy grading forms.

 *

 * This defines the common fields that all strategy grading forms need.

 * Strategies should define their own  class that inherits from this one, and

 * implements the definition_inner() method.

 *

 * @uses moodleform

 */

class workshop_edit_strategy_form extends moodleform {

    /** strategy logic instance that this class is editor of */

    protected $strategy;

    /** @var workshop workshop. */

    protected $workshop;

    /**

     * Add the fields that are common for all grading strategies.

     *

     * If the strategy does not support all these fields, then you can override

     * this method and remove the ones you don't want with

     * $mform->removeElement().

     * Stretegy subclassess should define their own fields in definition_inner()

     *

     * @return void

     */

    public function definition() {

        global $CFG;

        $mform = $this->_form;

        $this->workshop = $this->_customdata['workshop'];

        $this->strategy = $this->_customdata['strategy'];

        $mform->addElement('hidden', 'workshopid', $this->workshop->id);        // workshopid

        $mform->setType('workshopid', PARAM_INT);

        $mform->addElement('hidden', 'strategy', $this->workshop->strategy);    // strategy name

        $mform->setType('strategy', PARAM_PLUGIN);

        $this->definition_inner($mform);

        // todo - tags support

        //if (!empty($CFG->usetags)) {

        //    $mform->addElement('header', 'tagsheader', get_string('tags'));

        //    $mform->addElement('tags', 'tags', get_string('tags'));

        //}

        $buttonarray = array();

        $buttonarray[] = $mform->createElement('submit', 'saveandcontinue', get_string('saveandcontinue', 'workshop'));

        $buttonarray[] = $mform->createElement('submit', 'saveandpreview', get_string('saveandpreview', 'workshop'));

        $buttonarray[] = $mform->createElement('submit', 'saveandclose', get_string('saveandclose', 'workshop'));

        $buttonarray[] = $mform->createElement('cancel');

        $mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);

        $mform->closeHeaderBefore('buttonar');

    }

    /**

     * Validate the submitted form data.

     *

     * Grading strategy plugins can provide their own validation rules by

     * overriding the {@link self::validation_inner()} method.

     *

     * @param array $data

     * @param array $files

     * @return array

     */

    final public function validation($data, $files) {

        return array_merge(

            parent::validation($data, $files),

            $this->validation_inner($data, $files)

        );

    }

    /**

     * Add any strategy specific form fields.

     *

     * @param stdClass $mform the form being built.

     */

    protected function definition_inner(&$mform) {

        // By default, do nothing.

    }

    /**

     * Add strategy specific validation rules.

     *

     * @param array $data

     * @param array $files

     * @return array

     */

    protected function validation_inner($data, $files) {

        return array();

    }

}