tao-test/app/taoQtiItem/views/js/qtiCreator/widgets/helpers/deletingState.js

116 lines
3.6 KiB
JavaScript

/*
* 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; under version 2
* of the License (non-upgradable).
*
* 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.
*
* Copyright (c) 2016-2021 (original work) Open Assessment Technlogies SA
*
*/
define(['lodash', 'jquery', 'tpl!taoQtiItem/qtiCreator/tpl/notifications/deletingInfoBox'], function (
_,
$,
deletingInfoTpl
) {
'use strict';
const _timeout = 10000;
let undoDeleting = false;
const _destroy = function _destroy($messageBox) {
$('body').off('.deleting');
$messageBox.remove();
undoDeleting = false;
};
const undo = function undo($messageBox) {
undoDeleting = true;
$messageBox.trigger('undo.deleting');
_destroy($messageBox);
};
const _confirmDeletion = function ($messageBox, fadeDelay) {
//only allow deletion if the message has not already been deleted yet
if (!undoDeleting && $messageBox.length && $.contains(document, $messageBox[0])) {
$messageBox.trigger('confirm.deleting');
$messageBox.fadeOut(fadeDelay, function () {
_destroy($messageBox);
});
}
};
const _bindEvents = function _bindEvents($messageBox) {
$('body').on('mousedown.deleting keydown.deleting', function (e) {
if (e.ctrlKey || e.metaKey) {
//trigger undo callback if the standard keyboard shortcut ctrl+z is triggered
if (e.keyCode === 90) {
//z-key
undo($messageBox);
}
e.preventDefault();
return;
}
//confirm deleting whenever user interact with another object
if (e.target !== $messageBox[0] && !$.contains($messageBox[0], e.target)) {
_confirmDeletion($messageBox, 400);
}
});
$messageBox.find('a.undo').on('click', function (e) {
e.preventDefault();
undo($messageBox);
});
$messageBox.find('.close-trigger').on('click', function (e) {
e.preventDefault();
_confirmDeletion($messageBox, 0);
});
setTimeout(function () {
_confirmDeletion($messageBox, 1000);
}, _timeout);
};
const deletingHelper = {
createInfoBox: function (widgets) {
const $messageBox = $(
deletingInfoTpl({
serial: 'widgets',
count: widgets.length
})
);
$('body').append($messageBox);
$messageBox.css({
display: 'block',
position: 'fixed',
top: '50px',
left: '50%',
'margin-left': '-200px',
width: '400px',
zIndex: 999999
});
_bindEvents($messageBox);
return $messageBox;
},
confirmDeletion: function ($messageBox) {
_confirmDeletion($messageBox, 0);
}
};
return deletingHelper;
});