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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// This program 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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// This program 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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 * The main edusharing configuration form
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 *
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 * It uses the standard core Moodle formslib. For more info about them, please
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 * visit: http://docs.moodle.org/en/Development:lib/formslib.php
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 *
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 * @package    mod_edusharing
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 * @copyright  metaVentis GmbH — http://metaventis.com
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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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use mod_edusharing\Constants;
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use mod_edusharing\EduSharingService;
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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->dirroot . '/course/moodleform_mod.php');
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/**
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 * The main edusharing configuration form
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 *
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 * @copyright  metaVentis GmbH — http://metaventis.com
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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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class mod_edusharing_mod_form extends moodleform_mod {
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    /**
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     * (non-PHPdoc)
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     * @see lib/moodleform::definition()
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     */
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    public function definition(): void {
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        try {
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            $edusharingservice = new EduSharingService();
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            $ticket            = $edusharingservice->get_ticket();
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            // Adding the "general" fieldset, where all the common settings are shown.
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            $this->_form->addElement('header', 'general', get_string('general', 'form'));
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            // Adding the standard "name" field.
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            $this->_form->addElement('text', 'name',
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                get_string('edusharingname', Constants::EDUSHARING_MODULE_NAME), ['size' => '64']);
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            $this->_form->setType('name', PARAM_TEXT);
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            $this->_form->addRule('name', null, 'required', null, 'client');
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            $this->_form->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
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            $this->standard_intro_elements(get_string('description', Constants::EDUSHARING_MODULE_NAME));
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            // Repo button and version select are not to be shown for edit form.
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            if (!isset($_GET['update'])) {
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                $this->_form->addElement('header', 'object_url_fieldset',
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                    get_string('object_url_fieldset', Constants::EDUSHARING_MODULE_NAME,
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                        get_config('edusharing', 'application_appname')));
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                $this->_form->addElement('static', 'object_title',
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                    get_string('object_title', Constants::EDUSHARING_MODULE_NAME),
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                    get_string('object_title_help', Constants::EDUSHARING_MODULE_NAME));
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                $this->_form->addElement('text', 'object_url',
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                    get_string('object_url', Constants::EDUSHARING_MODULE_NAME), ['readonly' => 'true']);
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                $this->_form->setType('object_url', PARAM_RAW_TRIMMED);
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                $this->_form->addRule('object_url', null, 'required', null, 'client');
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                $this->_form->addRule('object_url', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
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                $this->_form->addHelpButton('object_url', 'object_url', Constants::EDUSHARING_MODULE_NAME);
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                $searchurl    = get_config('edusharing', 'application_cc_gui_url');
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                $reposearch   = trim($searchurl, '/') . '/components/search?&applyDirectories=false&reurl=WINDOW&ticket=' . $ticket;
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                $searchbutton = $this->_form->addElement('button', 'searchbutton',
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                    get_string('searchrec', Constants::EDUSHARING_MODULE_NAME,
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                        get_config('edusharing', 'application_appname')));
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                // phpcs:disable -- just messy html and js.
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                $repoonclick  = "
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                            function openRepo(){
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                                window.addEventListener('message', function handleRepo(event) {
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                                    if (event.data.event == 'APPLY_NODE') {
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                                        const node = event.data.data;
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                                        window.console.log(node);
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                                        window.win.close();
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                                        window.document.getElementById('id_object_url').value = node.objectUrl;
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                                        let title = node.title;
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                                        if(!title){
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                                            title = node.properties['cm:name'];
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                                        }
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                                        let version = -1;
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                                        let versionArray = node.properties['cclom:version'];
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                                        if (versionArray !== undefined) {
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                                            version = node.properties['cclom:version'][0];
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                                            window.document.getElementById('id_object_version_1').value = version;
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                                        }
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                                        let aspects = node.aspects;
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                                        if (aspects.includes('ccm:published') || aspects.includes('ccm:collection_io_reference') || version === -1) {
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                                            window.document.getElementById('id_object_version_0').checked = true;
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                                            window.document.getElementById('id_object_version_1').closest('label').hidden = true;
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                                        }
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                                        window.document.getElementById('fitem_id_object_title')
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                                            .getElementsByClassName('form-control-static')[0].innerHTML = title;
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                                        if(window.document.getElementById('id_name').value === ''){
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                                            window.document.getElementById('id_name').value = title;
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                                        }
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                                        window.removeEventListener('message', handleRepo, false );
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                                    }
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                                }, false);
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                                window.win = window.open('" . $reposearch . "');
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                            }
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                            openRepo();
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                        ";
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                // phpcs:enable
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                $searchbutton->updateAttributes(
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                    [
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                        'title' => get_string('uploadrec', Constants::EDUSHARING_MODULE_NAME,
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                            get_config('edusharing', 'application_appname')),
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                        'onclick' => $repoonclick,
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                    ]
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                );
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                $this->_form->addElement('header', 'version_fieldset',
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                    get_string('object_version_fieldset', Constants::EDUSHARING_MODULE_NAME));
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                $radiogroup   = [];
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                $radiogroup[] = $this->_form->createElement('radio', 'object_version', '',
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                    get_string('object_version_use_latest', Constants::EDUSHARING_MODULE_NAME), 0, []);
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                $radiogroup[] = $this->_form->createElement('radio', 'object_version', '',
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                    get_string('object_version_use_exact', Constants::EDUSHARING_MODULE_NAME), 1, []);
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                $this->_form->addGroup($radiogroup, 'object_version',
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                    get_string('object_version', Constants::EDUSHARING_MODULE_NAME), [' '], false);
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                $this->_form->setDefault('object_version', 0);
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                $this->_form->addHelpButton('object_version', 'object_version', Constants::EDUSHARING_MODULE_NAME);
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            }
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            // Display-section.
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            $this->_form->addElement('header', 'object_display_fieldset',
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                get_string('object_display_fieldset', Constants::EDUSHARING_MODULE_NAME));
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            $windowoptions =
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                [
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                    1 => get_string('newwindow', Constants::EDUSHARING_MODULE_NAME),
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                ];
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            $this->_form->addElement('select', 'popup_window',
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                get_string('display', Constants::EDUSHARING_MODULE_NAME), $windowoptions);
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            $this->_form->setDefault('popup_window', !empty($CFG->resource_popup));
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            // Add standard elements, common to all modules.
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            $this->standard_coursemodule_elements();
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            $submit2label = get_string('savechangesandreturntocourse');
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        } catch (Exception $e) {
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            debugging($e->getLine() . ': ' . $e->getMessage());
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        }
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        $buttons = [];
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        if (!empty($submit2label) && $this->courseformat->has_view_page()) {
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            $buttons[] = $this->_form->createElement('submit', 'submitbutton2', $submit2label);
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        }
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        $buttons[] = $this->_form->createElement('cancel');
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        $this->_form->addGroup($buttons, 'buttonar', '', [' '], false);
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        $this->_form->setType('buttonar', PARAM_RAW);
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        $this->_form->closeHeaderBefore('buttonar');
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    }
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}