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Add are-you-sure

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Cat5TV committed Dec 24, 2018
1 parent a11b6c8 commit 0873b5670d92ae730d9c1c52868ddef1bc6f1694
Showing with 223 additions and 0 deletions.
  1. +31 −0 js/ays-beforeunload-shim.js
  2. +192 −0 js/jquery.are-you-sure.js
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/*!
* An experimental shim to partially emulate onBeforeUnload on iOS.
* Part of https://github.com/codedance/jquery.AreYouSure/
*
* Copyright (c) 2012-2014, Chris Dance and PaperCut Software http://www.papercut.com/
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* Author: chris.dance@papercut.com
* Date: 19th May 2014
*/
$(function() {
if (!navigator.userAgent.toLowerCase().match(/iphone|ipad|ipod|opera/)) {
return;
}
$('a').bind('click', function(evt) {
var href = $(evt.target).closest('a').attr('href');
if (href !== undefined && !(href.match(/^#/) || href.trim() == '')) {
var response = $(window).triggerHandler('beforeunload', response);
if (response && response != "") {
var msg = response + "\n\n"
+ "Press OK to leave this page or Cancel to stay.";
if (!confirm(msg)) {
return false;
}
}
window.location.href = href;
return false;
}
});
});
@@ -0,0 +1,192 @@
/*!
* jQuery Plugin: Are-You-Sure (Dirty Form Detection)
* https://github.com/codedance/jquery.AreYouSure/
*
* Copyright (c) 2012-2014, Chris Dance and PaperCut Software http://www.papercut.com/
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* Author: chris.dance@papercut.com
* Version: 1.9.0
* Date: 13th August 2014
*/
(function($) {

$.fn.areYouSure = function(options) {

var settings = $.extend(
{
'message' : 'You have unsaved changes!',
'dirtyClass' : 'dirty',
'change' : null,
'silent' : false,
'addRemoveFieldsMarksDirty' : false,
'fieldEvents' : 'change keyup propertychange input',
'fieldSelector': ":input:not(input[type=submit]):not(input[type=button])"
}, options);

var getValue = function($field) {
if ($field.hasClass('ays-ignore')
|| $field.hasClass('aysIgnore')
|| $field.attr('data-ays-ignore')
|| $field.attr('name') === undefined) {
return null;
}

if ($field.is(':disabled')) {
return 'ays-disabled';
}

var val;
var type = $field.attr('type');
if ($field.is('select')) {
type = 'select';
}

switch (type) {
case 'checkbox':
case 'radio':
val = $field.is(':checked');
break;
case 'select':
val = '';
$field.find('option').each(function(o) {
var $option = $(this);
if ($option.is(':selected')) {
val += $option.val();
}
});
break;
default:
val = $field.val();
}

return val;
};

var storeOrigValue = function($field) {
$field.data('ays-orig', getValue($field));
};

var checkForm = function(evt) {

var isFieldDirty = function($field) {
var origValue = $field.data('ays-orig');
if (undefined === origValue) {
return false;
}
return (getValue($field) != origValue);
};

var $form = ($(this).is('form'))
? $(this)
: $(this).parents('form');

// Test on the target first as it's the most likely to be dirty
if (isFieldDirty($(evt.target))) {
setDirtyStatus($form, true);
return;
}

$fields = $form.find(settings.fieldSelector);

if (settings.addRemoveFieldsMarksDirty) {
// Check if field count has changed
var origCount = $form.data("ays-orig-field-count");
if (origCount != $fields.length) {
setDirtyStatus($form, true);
return;
}
}

// Brute force - check each field
var isDirty = false;
$fields.each(function() {
$field = $(this);
if (isFieldDirty($field)) {
isDirty = true;
return false; // break
}
});

setDirtyStatus($form, isDirty);
};

var initForm = function($form) {
var fields = $form.find(settings.fieldSelector);
$(fields).each(function() { storeOrigValue($(this)); });
$(fields).unbind(settings.fieldEvents, checkForm);
$(fields).bind(settings.fieldEvents, checkForm);
$form.data("ays-orig-field-count", $(fields).length);
setDirtyStatus($form, false);
};

var setDirtyStatus = function($form, isDirty) {
var changed = isDirty != $form.hasClass(settings.dirtyClass);
$form.toggleClass(settings.dirtyClass, isDirty);

// Fire change event if required
if (changed) {
if (settings.change) settings.change.call($form, $form);

if (isDirty) $form.trigger('dirty.areYouSure', [$form]);
if (!isDirty) $form.trigger('clean.areYouSure', [$form]);
$form.trigger('change.areYouSure', [$form]);
}
};

var rescan = function() {
var $form = $(this);
var fields = $form.find(settings.fieldSelector);
$(fields).each(function() {
var $field = $(this);
if (!$field.data('ays-orig')) {
storeOrigValue($field);
$field.bind(settings.fieldEvents, checkForm);
}
});
// Check for changes while we're here
$form.trigger('checkform.areYouSure');
};

var reinitialize = function() {
initForm($(this));
}

if (!settings.silent && !window.aysUnloadSet) {
window.aysUnloadSet = true;
$(window).bind('beforeunload', function() {
$dirtyForms = $("form").filter('.' + settings.dirtyClass);
if ($dirtyForms.length == 0) {
return;
}
// Prevent multiple prompts - seen on Chrome and IE
if (navigator.userAgent.toLowerCase().match(/msie|chrome/)) {
if (window.aysHasPrompted) {
return;
}
window.aysHasPrompted = true;
window.setTimeout(function() {window.aysHasPrompted = false;}, 900);
}
return settings.message;
});
}

return this.each(function(elem) {
if (!$(this).is('form')) {
return;
}
var $form = $(this);

$form.submit(function() {
$form.removeClass(settings.dirtyClass);
});
$form.bind('reset', function() { setDirtyStatus($form, false); });
// Add a custom events
$form.bind('rescan.areYouSure', rescan);
$form.bind('reinitialize.areYouSure', reinitialize);
$form.bind('checkform.areYouSure', checkForm);
initForm($form);
});
};
})(jQuery);

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