Proyectos de Subversion Moodle

// 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/>.

/**

 * Badge select competency actions

 *

 * @module     tool_lp/form_competency_element

 * @copyright  2019 Damyon Wiese <damyon@moodle.com>

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

 */

define(['jquery', 'tool_lp/competencypicker', 'core/ajax', 'core/notification', 'core/templates'],

        function($, Picker, Ajax, Notification, Templates) {

    var pickerInstance = null;

    var pageContextId = 1;

    /**

     * Re-render the list of selected competencies.

     *

     * @method renderCompetencies

     * @return {boolean}

     */

    var renderCompetencies = function() {

        var currentCompetencies = $('[data-action="competencies"]').val();

        var requests = [];

        var i = 0;

        if (currentCompetencies != '') {

            currentCompetencies = currentCompetencies.split(',');

            for (i = 0; i < currentCompetencies.length; i++) {

                requests[requests.length] = {

                    methodname: 'core_competency_read_competency',

                    args: {id: currentCompetencies[i]}

                };

            }

        }

        $.when.apply($, Ajax.call(requests, false)).then(function() {

            var i = 0,

                competencies = [];

            for (i = 0; i < arguments.length; i++) {

                competencies[i] = arguments[i];

            }

            var context = {

                competencies: competencies

            };

            return Templates.render('tool_lp/form_competency_list', context);

        }).then(function(html, js) {

            Templates.replaceNode($('[data-region="competencies"]'), html, js);

            return true;

        }).fail(Notification.exception);

        return true;

    };

    /**

     * Deselect a competency

     *

     * @method unpickCompetenciesHandler

     * @param {Event} e

     * @return {boolean}

     */

    var unpickCompetenciesHandler = function(e) {

        var currentCompetencies = $('[data-action="competencies"]').val().split(','),

            newCompetencies = [],

            i,

            toRemove = $(e.currentTarget).data('id');

        for (i = 0; i < currentCompetencies.length; i++) {

            if (currentCompetencies[i] != toRemove) {

                newCompetencies[newCompetencies.length] = currentCompetencies[i];

            }

        }

        $('[data-action="competencies"]').val(newCompetencies.join(','));

        return renderCompetencies();

    };

    /**

     * Open a competencies popup to relate competencies.

     *

     * @method pickCompetenciesHandler

     */

    var pickCompetenciesHandler = function() {

        var currentCompetencies = $('[data-action="competencies"]').val().split(',');

        if (!pickerInstance) {

            pickerInstance = new Picker(pageContextId, false, 'parents', true);

            pickerInstance.on('save', function(e, data) {

                var before = $('[data-action="competencies"]').val();

                var compIds = data.competencyIds;

                if (before != '') {

                    compIds = compIds.concat(before.split(','));

                }

                var value = compIds.join(',');

                $('[data-action="competencies"]').val(value);

                return renderCompetencies();

            });

        }

        pickerInstance.setDisallowedCompetencyIDs(currentCompetencies);

        pickerInstance.display();

    };

    return /** @alias module:tool_lp/form_competency_element */ {

        /**

         * Listen for clicks on the competency picker and push the changes to the form element.

         *

         * @method init

         * @param {Integer} contextId

         */

        init: function(contextId) {

            pageContextId = contextId;

            renderCompetencies();

            $('[data-action="select-competencies"]').on('click', pickCompetenciesHandler);

            $('body').on('click', '[data-action="deselect-competency"]', unpickCompetenciesHandler);

        }

    };

});