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/*!
* dependent-dropdown v1.4.9
* http://plugins.krajee.com/dependent-dropdown
*
* Author: Kartik Visweswaran
* Copyright: 2014 - 2019, Kartik Visweswaran, Krajee.com
*
* Licensed under the BSD-3-Clause
* https://github.com/kartik-v/dependent-dropdown/blob/master/LICENSE.md
*/
(function (factory) {
"use strict";
//noinspection JSUnresolvedVariable
if (typeof define === 'function' && define.amd) { // jshint ignore:line
// AMD. Register as an anonymous module.
define(['jquery'], factory); // jshint ignore:line
} else { // noinspection JSUnresolvedVariable
if (typeof module === 'object' && module.exports) { // jshint ignore:line
// Node/CommonJS
// noinspection JSUnresolvedVariable
module.exports = factory(require('jquery')); // jshint ignore:line
} else {
// Browser globals
factory(window.jQuery);
}
}
}(function ($) {
"use strict";
$.fn.depdropLocales = {};
var $h, DepDrop;
// global helper object
$h = {
isEmpty: function (value, trim) {
return value === null || value === undefined || value.length === 0 || (trim && $.trim(value) === '');
},
setParams: function (props, vals) {
var out = {};
if (props.length === 0) {
return {};
}
$.each(props, function (key, val) {
out[val] = vals[key];
});
return out;
},
toStr: function(str) {
return $h.isEmpty(str) ? str : str.toString();
}
};
DepDrop = function (element, options) {
var self = this;
self.$element = $(element);
$.each(options, function (key, value) {
self[key] = value;
});
self.initData();
self.init();
};
//noinspection JSUnusedGlobalSymbols
DepDrop.prototype = {
constructor: DepDrop,
initData: function () {
var self = this, $el = self.$element;
self.initVal = $el.val();
self.initDisabled = $el.attr('disabled');
$el.data('url', self.url)
.data('placeholder', self.placeholder)
.data('loading', self.loading)
.data('loadingClass', self.loadingClass)
.data('loadingText', self.loadingText)
.data('emptyMsg', self.emptyMsg)
.data('params', self.params);
},
init: function () {
var self = this, i, depends = self.depends, $el = self.$element, len = depends.length,
chkOptions = $el.find('option').length, initDepends = self.initDepends || self.depends;
if (chkOptions === 0 || $el.find('option[value=""]').length === chkOptions) {
$el.attr('disabled', 'disabled');
}
for (i = 0; i < len; i++) {
self.listen(i, depends, len);
}
if (self.initialize === true) {
for (i = 0; i < initDepends.length; i++) {
$('#' + initDepends[i]).trigger('depdrop:change');
}
}
$el.trigger('depdrop:init');
},
listen: function (i, depends, len) {
var self = this;
$('#' + depends[i]).on('depdrop:change change select2:select krajeeselect2:cleared', function (e) {
var $select = $(this);
if (!$h.isEmpty($select.data('select2')) && e.type === 'change') {
return;
}
self.setDep($select, depends, len);
});
},
setDep: function ($elCurr, depends, len) {
var self = this, $el, type, j, value = {};
for (j = 0; j < len; j++) {
$el = $('#' + depends[j]);
type = $el.attr('type');
value[j] = (type === "checkbox" || type === "radio") ? $el.prop('checked') : $el.val();
if (self.skipDep && (value[j] === self.loadingText || value[j] === '')) {
self.$element.html('<option id="">' + self.emptyMsg + '</option>');
return;
}
}
self.processDep(self.$element, $elCurr.attr('id'), value, depends);
},
processDep: function ($el, vId, vVal, vDep) {
var self = this, selected, optCount = 0, params = {}, settings, i, ajaxData = {}, vUrl = $el.data('url'),
paramsMain = $h.setParams(vDep, vVal), paramsOther = {}, key, val, vDefault = $el.data('placeholder'),
vLoad = $el.data('loading'), vLoadCss = $el.data('loadingClass'), vLoadMsg = $el.data('loadingText'),
vNullMsg = $el.data('emptyMsg'), vPar = $el.data('params');
self.ajaxResults = {};
ajaxData[self.parentParam] = vVal;
if (!$h.isEmpty(vPar)) {
for (i = 0; i < vPar.length; i++) {
key = vPar[i];
val = $('#' + vPar[i]).val();
params[i] = val;
paramsOther[key] = val;
}
ajaxData[self.otherParam] = params;
}
ajaxData[self.allParam] = $.extend(true, {}, paramsMain, paramsOther);
settings = {
url: vUrl,
type: 'post',
data: ajaxData,
dataType: 'json',
beforeSend: function (jqXHR) {
$el.trigger('depdrop:beforeChange', [vId, $("#" + vId).val(), self.initVal, jqXHR]);
$el.find('option[selected]').removeAttr('selected');
$el.val('').attr('disabled', 'disabled').html('');
if (vLoad) {
$el.removeClass(vLoadCss).addClass(vLoadCss).html('<option id="">' + vLoadMsg + '</option>');
}
},
success: function (data, textStatus, jqXHR) {
self.ajaxResults = data;
selected = $h.isEmpty(data.selected) ? (self.initVal === false ? null : self.initVal) : data.selected;
if ($h.isEmpty(data)) {
self.createOption($el, '', vNullMsg, '');
} else {
self.renderSelect(data.output, vDefault, selected, $el);
if ($el.find('optgroup').length > 0) {
$el.find('option[value=""]').attr('disabled', 'disabled');
}
if (data.output && !self.initDisabled) {
$el.removeAttr('disabled');
}
}
optCount = $el.find('option').length;
if ($el.find('option[value=""]').length > 0) {
optCount -= 1;
}
$el.trigger('depdrop:change', [vId, $("#" + vId).val(), optCount, self.initVal, textStatus, jqXHR]);
},
error: function (jqXHR, textStatus, errThrown) {
$el.trigger('depdrop:error', [vId, $("#" + vId).val(), self.initVal, jqXHR, textStatus, errThrown]);
},
complete: function (jqXHR, textStatus) {
if (vLoad) {
$el.removeClass(vLoadCss);
}
$el.trigger('depdrop:afterChange', [vId, $("#" + vId).val(), self.initVal, jqXHR, textStatus]);
}
};
$.extend(true, settings, self.ajaxSettings);
$.ajax(settings);
},
createOption: function ($el, id, name, selected, options) {
var self = this, settings = {value: id, text: name}, selIds = [], sel = selected, idParam = self.idParam,
pushId = function(str) {
var s = $h.toStr(str);
if (s) {
selIds.push(s);
}
};
if (sel && (sel instanceof Array || sel instanceof Object)) {
$.each(sel, function (key, val) {
if (val instanceof Object) {
pushId(val[idParam]);
} else {
pushId(val);
}
});
} else {
pushId(sel);
}
$.extend(true, settings, (options || {}));
if (selIds.length && $.inArray($h.toStr(id), selIds) > -1) {
settings.selected = "selected";
}
$("<option/>", settings).appendTo($el);
},
renderSelect: function (data, placeholder, defVal, $select) {
var self = this, idParam = self.idParam, nameParam = self.nameParam, options;
$select.empty();
if (placeholder !== false) {
self.createOption($select, "", placeholder, defVal);
}
if ($h.isEmpty(data)) {
data = {};
}
$.each(data, function (i, groups) {
if (!$h.isEmpty(groups[idParam])) {
options = groups[self.optionsParam] || {};
self.createOption($select, groups[idParam], groups[nameParam], defVal, options);
} else {
var $group = $('<optgroup>', {label: i});
$.each(groups, function (j, option) {
options = option[self.optionsParam] || {};
self.createOption($group, option[idParam], option[nameParam], defVal, options);
});
$group.appendTo($select);
}
});
},
getAjaxResults: function () {
var self = this;
return self.ajaxResults;
}
};
$.fn.depdrop = function (option) {
var args = Array.apply(null, arguments), retvals = [];
args.shift();
this.each(function () {
var self = $(this), data = self.data('depdrop'), options = typeof option === 'object' && option,
lang = options.language || self.data('language') || 'en', loc = {}, opts = {};
if (!data) {
if (lang !== 'en' && !$h.isEmpty($.fn.depdropLocales[lang])) {
loc = $.fn.depdropLocales[lang];
}
$.extend(true, opts, $.fn.depdrop.defaults, $.fn.depdropLocales.en, loc, options, self.data());
data = new DepDrop(this, opts);
self.data('depdrop', data);
}
if (typeof option === 'string') {
retvals.push(data[option].apply(data, args));
}
});
switch (retvals.length) {
case 0:
return this;
case 1:
return retvals[0];
default:
return retvals;
}
};
$.fn.depdrop.defaults = {
language: 'en',
depends: '',
initDepends: '',
url: '',
params: {},
ajaxSettings: {},
ajaxResults: {},
initialize: false,
skipDep: false,
loading: true,
loadingClass: 'kv-loading',
idParam: 'id',
nameParam: 'name',
optionsParam: 'options',
parentParam: 'depdrop_parents',
otherParam: 'depdrop_params',
allParam: 'depdrop_all_params'
};
$.fn.depdropLocales.en = {
loadingText: 'Loading ...',
placeholder: 'Select ...',
emptyMsg: 'No data found'
};
$.fn.depdrop.Constructor = DepDrop;
/**
* Convert automatically select with class 'depdrop' into dependent dropdowns.
*/
$(function () {
$('select.depdrop').depdrop();
});
}));