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/>.

/**

 * Resource configuration form

 *

 * @package    mod_resource

 * @copyright  2009 Petr Skoda  {@link http://skodak.org}

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

 */

defined('MOODLE_INTERNAL') || die;

require_once($CFG->dirroot.'/course/moodleform_mod.php');

require_once($CFG->dirroot.'/mod/resource/locallib.php');

require_once($CFG->libdir.'/filelib.php');

class mod_resource_mod_form extends moodleform_mod {

    function definition() {

        global $CFG, $DB;

        $mform =& $this->_form;

        $config = get_config('resource');

        if ($this->current->instance and $this->current->tobemigrated) {

            // resource not migrated yet

            $resource_old = $DB->get_record('resource_old', array('oldid'=>$this->current->instance));

            $mform->addElement('static', 'warning', '', get_string('notmigrated', 'resource', $resource_old->type));

            $mform->addElement('cancel');

            $this->standard_hidden_coursemodule_elements();

            return;

        }

        //-------------------------------------------------------

        $mform->addElement('header', 'general', get_string('general', 'form'));

        $mform->addElement('text', 'name', get_string('name'), array('size'=>'48'));

        if (!empty($CFG->formatstringstriptags)) {

            $mform->setType('name', PARAM_TEXT);

        } else {

            $mform->setType('name', PARAM_CLEANHTML);

        }

        $mform->addRule('name', null, 'required', null, 'client');

        $mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');

        $this->standard_intro_elements();

        $element = $mform->getElement('introeditor');

        $attributes = $element->getAttributes();

        $attributes['rows'] = 5;

        $element->setAttributes($attributes);

        $filemanager_options = array();

        $filemanager_options['accepted_types'] = '*';

        $filemanager_options['maxbytes'] = 0;

        $filemanager_options['maxfiles'] = -1;

        $filemanager_options['mainfile'] = true;

        $mform->addElement('filemanager', 'files', get_string('selectfiles'), null, $filemanager_options);

        // add legacy files flag only if used

        if (isset($this->current->legacyfiles) and $this->current->legacyfiles != RESOURCELIB_LEGACYFILES_NO) {

            $options = array(RESOURCELIB_LEGACYFILES_DONE   => get_string('legacyfilesdone', 'resource'),

                             RESOURCELIB_LEGACYFILES_ACTIVE => get_string('legacyfilesactive', 'resource'));

            $mform->addElement('select', 'legacyfiles', get_string('legacyfiles', 'resource'), $options);

        }

        //-------------------------------------------------------

        $mform->addElement('header', 'optionssection', get_string('appearance'));

        if ($this->current->instance) {

            $options = resourcelib_get_displayoptions(explode(',', $config->displayoptions), $this->current->display);

        } else {

            $options = resourcelib_get_displayoptions(explode(',', $config->displayoptions));

        }

        if (count($options) == 1) {

            $mform->addElement('hidden', 'display');

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

            reset($options);

            $mform->setDefault('display', key($options));

        } else {

            $mform->addElement('select', 'display', get_string('displayselect', 'resource'), $options);

            $mform->setDefault('display', $config->display);

            $mform->addHelpButton('display', 'displayselect', 'resource');

        }

        $mform->addElement('checkbox', 'showsize', get_string('showsize', 'resource'));

        $mform->setDefault('showsize', $config->showsize);

        $mform->addHelpButton('showsize', 'showsize', 'resource');

        $mform->addElement('checkbox', 'showtype', get_string('showtype', 'resource'));

        $mform->setDefault('showtype', $config->showtype);

        $mform->addHelpButton('showtype', 'showtype', 'resource');

        $mform->addElement('checkbox', 'showdate', get_string('showdate', 'resource'));

        $mform->setDefault('showdate', $config->showdate);

        $mform->addHelpButton('showdate', 'showdate', 'resource');

        if (array_key_exists(RESOURCELIB_DISPLAY_POPUP, $options)) {

            $mform->addElement('text', 'popupwidth', get_string('popupwidth', 'resource'), array('size'=>3));

            if (count($options) > 1) {

                $mform->hideIf('popupwidth', 'display', 'noteq', RESOURCELIB_DISPLAY_POPUP);

            }

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

            $mform->setDefault('popupwidth', $config->popupwidth);

            $mform->setAdvanced('popupwidth', true);

            $mform->addElement('text', 'popupheight', get_string('popupheight', 'resource'), array('size'=>3));

            if (count($options) > 1) {

                $mform->hideIf('popupheight', 'display', 'noteq', RESOURCELIB_DISPLAY_POPUP);

            }

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

            $mform->setDefault('popupheight', $config->popupheight);

            $mform->setAdvanced('popupheight', true);

        }

        if (array_key_exists(RESOURCELIB_DISPLAY_AUTO, $options) or

          array_key_exists(RESOURCELIB_DISPLAY_EMBED, $options) or

          array_key_exists(RESOURCELIB_DISPLAY_FRAME, $options)) {

            $mform->addElement('checkbox', 'printintro', get_string('printintro', 'resource'));

            $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_POPUP);

            $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_DOWNLOAD);

            $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_OPEN);

            $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_NEW);

            $mform->setDefault('printintro', $config->printintro);

        }

        $options = array('0' => get_string('none'), '1' => get_string('allfiles'), '2' => get_string('htmlfilesonly'));

        $mform->addElement('select', 'filterfiles', get_string('filterfiles', 'resource'), $options);

        $mform->setDefault('filterfiles', $config->filterfiles);

        $mform->setAdvanced('filterfiles', true);

        //-------------------------------------------------------

        $this->standard_coursemodule_elements();

        //-------------------------------------------------------

        $this->add_action_buttons();

        //-------------------------------------------------------

        $mform->addElement('hidden', 'revision');

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

        $mform->setDefault('revision', 1);

    }

    function data_preprocessing(&$default_values) {

        if ($this->current->instance and !$this->current->tobemigrated) {

            $draftitemid = file_get_submitted_draft_itemid('files');

            file_prepare_draft_area($draftitemid, $this->context->id, 'mod_resource', 'content', 0, array('subdirs'=>true));

            $default_values['files'] = $draftitemid;

        }

        if (!empty($default_values['displayoptions'])) {

            $displayoptions = (array) unserialize_array($default_values['displayoptions']);

            if (isset($displayoptions['printintro'])) {

                $default_values['printintro'] = $displayoptions['printintro'];

            }

            if (!empty($displayoptions['popupwidth'])) {

                $default_values['popupwidth'] = $displayoptions['popupwidth'];

            }

            if (!empty($displayoptions['popupheight'])) {

                $default_values['popupheight'] = $displayoptions['popupheight'];

            }

            if (!empty($displayoptions['showsize'])) {

                $default_values['showsize'] = $displayoptions['showsize'];

            } else {

                // Must set explicitly to 0 here otherwise it will use system

                // default which may be 1.

                $default_values['showsize'] = 0;

            }

            if (!empty($displayoptions['showtype'])) {

                $default_values['showtype'] = $displayoptions['showtype'];

            } else {

                $default_values['showtype'] = 0;

            }

            if (!empty($displayoptions['showdate'])) {

                $default_values['showdate'] = $displayoptions['showdate'];

            } else {

                $default_values['showdate'] = 0;

            }

        }

    }

    function definition_after_data() {

        if ($this->current->instance and $this->current->tobemigrated) {

            // resource not migrated yet

            return;

        }

        parent::definition_after_data();

    }

    function validation($data, $files) {

        global $USER;

        $errors = parent::validation($data, $files);

        $usercontext = context_user::instance($USER->id);

        $fs = get_file_storage();

        if (!$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $data['files'], 'sortorder, id', false)) {

            $errors['files'] = get_string('required');

            return $errors;

        }

        if (count($files) == 1) {

            // no need to select main file if only one picked

            return $errors;

        } else if(count($files) > 1) {

            $mainfile = false;

            foreach($files as $file) {

                if ($file->get_sortorder() == 1) {

                    $mainfile = true;

                    break;

                }

            }

            // set a default main file

            if (!$mainfile) {

                $file = reset($files);

                file_set_sortorder($file->get_contextid(), $file->get_component(), $file->get_filearea(), $file->get_itemid(),

                                   $file->get_filepath(), $file->get_filename(), 1);

            }

        }

        return $errors;

    }

}