OpenProject is the leading open source project management software.
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openproject/app/assets/javascripts/specific/toggable_fieldset.js

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//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2017 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program 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 2
// of the License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// See docs/COPYRIGHT.rdoc for more details.
//++
function createFieldsetToggleStateLabel(legend, text) {
var labelClass = 'fieldset-toggle-state-label';
var toggleLabel = legend.find('a span.' + labelClass);
var legendLink = legend.children('a');
if (toggleLabel.length === 0) {
toggleLabel = jQuery("<span />").addClass(labelClass)
.addClass("hidden-for-sighted");
legendLink.append(toggleLabel);
}
toggleLabel.text(' ' + text);
}
function setFieldsetToggleState(fieldset) {
var legend = fieldset.children('legend');
if (fieldset.hasClass('collapsed')) {
createFieldsetToggleStateLabel(legend, I18n.t('js.label_collapsed'));
} else {
createFieldsetToggleStateLabel(legend, I18n.t('js.label_expanded'));
}
}
function getFieldset(el) {
var element = jQuery(el);
if (element.is('legend')) {
return jQuery(el).parent();
} else if (element.is('fieldset')) {
return element;
}
throw "Cannot derive fieldset from element!";
}
function toggleFieldset(el) {
var fieldset = getFieldset(el);
var contentArea = fieldset.find('> div').not('.form--fieldset-control');
fieldset.toggleClass('collapsed');
contentArea.slideToggle('fast', null);
setFieldsetToggleState(fieldset);
}
jQuery(document).ready(function() {
const fieldsets = jQuery('fieldset.form--fieldset.-collapsible');
// Toggle on click
fieldsets.on('click', '.form--fieldset-legend', function(evt) {
toggleFieldset(this);
evt.preventDefault();
evt.stopPropagation();
return false;
});
// Set initial state
fieldsets
.each(function() {
var fieldset = getFieldset(this);
var contentArea = fieldset.find('> div');
if (fieldset.hasClass('collapsed')) {
contentArea.hide();
}
setFieldsetToggleState(fieldset);
});
});