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65 lines
2.8 KiB
65 lines
2.8 KiB
// 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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* Custom form error event handler to manipulate the bootstrap markup and show
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* nicely styled errors in an mform.
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*
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* @module theme_ilb/form-display-errors
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* @copyright 2016 Damyon Wiese <damyon@moodle.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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define(['jquery', 'core/event'], function($, Event) {
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return {
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enhance: function(elementid) {
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var element = document.getElementById(elementid);
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$(element).on(Event.Events.FORM_FIELD_VALIDATION, function(event, msg) {
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event.preventDefault();
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var parent = $(element).closest('.form-group');
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var feedback = parent.find('.form-control-feedback');
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// Sometimes (atto) we have a hidden textarea backed by a real contenteditable div.
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if (($(element).prop("tagName") == 'TEXTAREA') && parent.find('[contenteditable]')) {
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element = parent.find('[contenteditable]');
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}
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if (msg !== '') {
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parent.addClass('has-danger');
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parent.data('client-validation-error', true);
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$(element).addClass('is-invalid');
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$(element).attr('aria-describedby', feedback.attr('id'));
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$(element).attr('aria-invalid', true);
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feedback.attr('tabindex', 0);
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feedback.html(msg);
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// Only display and focus when the error was not already visible.
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if (!feedback.is(':visible')) {
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feedback.show();
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feedback.focus();
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}
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} else {
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if (parent.data('client-validation-error') === true) {
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parent.removeClass('has-danger');
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parent.data('client-validation-error', false);
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$(element).removeClass('is-invalid');
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$(element).removeAttr('aria-describedby');
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$(element).attr('aria-invalid', false);
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feedback.hide();
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}
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}
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});
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}
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};
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});
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