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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle 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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// Moodle 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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* Additional javascript for the Workshop module form.
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*
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* @module mod_workshop/modform
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* @copyright The Open University 2018
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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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define(['jquery'], function($) {
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var submissionTypes = {
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text: {
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available: null,
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required: null,
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requiredHidden: null
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},
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file: {
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available: null,
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required: null,
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requiredHidden: null
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}
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};
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/**
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* Determine whether one of the submission types has been marked as not available.
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*
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* If it has been marked not available, clear and disable its required checkbox. Then determine if the other submission
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* type is available, and if it is, check and disable its required checkbox.
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*
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* @param {Object} checkUnavailable
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* @param {Object} checkAvailable
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*/
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function checkAvailability(checkUnavailable, checkAvailable) {
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if (!checkUnavailable.available.prop('checked')) {
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checkUnavailable.required.prop('disabled', true);
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checkUnavailable.required.prop('checked', false);
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if (checkAvailable.available.prop('checked')) {
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checkAvailable.required.prop('disabled', true);
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checkAvailable.required.prop('checked', true);
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// Also set the checkbox's hidden field to 1 so a 'required' value is submitted for the submission type.
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checkAvailable.requiredHidden.val(1);
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}
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}
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}
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/**
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* Enable the submission type's required checkbox and uncheck it.
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*
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* @param {Object} submissionType
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*/
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function enableRequired(submissionType) {
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submissionType.required.prop('disabled', false);
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submissionType.required.prop('checked', false);
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submissionType.requiredHidden.val(0);
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}
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/**
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* Check which submission types have been marked as available, and disable required checkboxes as necessary.
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*/
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function submissionTypeChanged() {
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checkAvailability(submissionTypes.file, submissionTypes.text);
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checkAvailability(submissionTypes.text, submissionTypes.file);
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if (submissionTypes.text.available.prop('checked') && submissionTypes.file.available.prop('checked')) {
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enableRequired(submissionTypes.text);
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enableRequired(submissionTypes.file);
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}
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}
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return /** @alias module:mod_workshop/modform */ {
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/**
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* Find all the required fields, set up event listeners, and set the initial state of required checkboxes.
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*/
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init: function() {
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submissionTypes.text.available = $('#id_submissiontypetextavailable');
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submissionTypes.text.required = $('#id_submissiontypetextrequired');
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submissionTypes.text.requiredHidden = $('input[name="submissiontypetextrequired"][type="hidden"]');
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submissionTypes.file.available = $('#id_submissiontypefileavailable');
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submissionTypes.file.required = $('#id_submissiontypefilerequired');
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submissionTypes.file.requiredHidden = $('input[name="submissiontypefilerequired"][type="hidden"]');
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submissionTypes.text.available.on('change', submissionTypeChanged);
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submissionTypes.file.available.on('change', submissionTypeChanged);
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submissionTypeChanged();
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}
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};
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});
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