/**
* EGroupware eTemplate2 - JS Selectbox object
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Nathan Gray
* @author Andreas Stöckel
* @copyright Nathan Gray 2011
* @version $Id$
*/
"use strict";
/*egw:uses
jquery.jquery;
/phpgwapi/js/jquery/chosen/chosen.jquery.js;
et2_core_xml;
et2_core_DOMWidget;
et2_core_inputWidget;
*/
/**
* @augments et2_inputWidget
*/
var et2_selectbox = et2_inputWidget.extend(
{
attributes: {
"multiple": {
"name": "multiple",
"type": "boolean",
"default": false,
"description": "Allow selecting multiple options"
},
"rows": {
"name": "Rows",
"type": "any", // Old options put either rows or empty_label in first space
"default": 1,
"description": "Number of rows to display"
},
"empty_label": {
"name": "Empty label",
"type": "string",
"default": "",
"description": "Textual label for first row, eg: 'All' or 'None'. ID will be ''"
},
"select_options": {
"type": "any",
"name": "Select options",
"default": {},
"description": "Internaly used to hold the select options."
},
"selected_first": {
"name": "Selected options first",
"type": "boolean",
"default": true,
"description": "For multi-selects, put the selected options at the top of the list when first loaded"
},
// Chosen options
"search": {
"name": "Search",
"type": "boolean",
"default": false,
"description": "For single selects, add a search box to the drop-down list"
},
"tags": {
"name": "Tag style",
"type": "boolean",
"default": false,
"description": "For multi-selects, displays selected as a list of tags instead of a big list"
},
// Value can be string or integer
"value": {
"type": "any"
},
// Type specific legacy options. Avoid using.
"other": {
"ignore": true,
"type": "any"
}
},
legacyOptions: ["rows","other"], // Other is sub-type specific
/**
* Construtor
*
* @memberOf et2_selectbox
*/
init: function() {
this._super.apply(this, arguments);
this.input = null;
// Start at '' to avoid infinite loops while setting value/select options
this.value = '';
// Allow no other widgets inside this one
this.supportedWidgetClasses = [];
// Legacy options could have row count or empty label in first slot
if(typeof this.options.rows == "string")
{
if(isNaN(this.options.rows))
{
this.options.empty_label = this.options.rows;
this.options.rows = 1;
}
else
{
this.options.rows = parseInt(this.options.rows);
}
}
if(this.options.rows > 1)
{
this.options.multiple = true;
if(this.options.tags)
{
this.createInputWidget();
}
else
{
this.createMultiSelect();
}
}
else
{
this.createInputWidget();
}
},
destroy: function() {
if(this.input != null)
{
this.input.unchosen();
}
this._super.apply(this, arguments);
this.input = null;
},
transformAttributes: function(_attrs) {
this._super.apply(this, arguments);
// If select_options are already known, skip the rest
if(this.options && this.options.select_options && !jQuery.isEmptyObject(this.options.select_options) ||
_attrs.select_options && !jQuery.isEmptyObject(_attrs.select_options)
)
{
return;
}
var name_parts = this.id.replace(/[/g,'[').replace(/]|]/g,'').split('[');
// Try to find the options inside the "sel-options" array
if(this.getArrayMgr("sel_options"))
{
var content_options = {};
// Try first according to ID
content_options = this.getArrayMgr("sel_options").getEntry(this.id);
// ID can get set to an array with 0 => ' ' - not useful
if(content_options && content_options.length == 1 && typeof content_options[0] == 'string' && content_options[0].trim() == '')
{
content_options = null;
}
// We could wind up too far inside options if label,title are defined
if(content_options && !isNaN(name_parts[name_parts.length -1]) && content_options.label && content_options.title)
{
name_parts.pop();
content_options = this.getArrayMgr("sel_options").getEntry(name_parts.join('['));
delete content_options["$row"];
}
// Select options tend to be defined once, at the top level, so try that
if(!content_options || content_options.length == 0)
{
content_options = this.getArrayMgr("sel_options").getRoot().getEntry(name_parts[name_parts.length-1]);
}
// Try in correct namespace (inside a grid or something)
if(!content_options || content_options.length == 0)
{
content_options = this.getArrayMgr("sel_options").getEntry(name_parts[name_parts.length-1]);
}
// Try name like widget[$row]
if(!content_options || content_options.length == 0)
{
var pop_that = jQuery.extend([],name_parts);
while(pop_that.length > 0 && (!content_options || content_options.length == 0))
{
pop_that.pop();
content_options = this.getArrayMgr('sel_options').getEntry(pop_that.join('['));
}
}
// Maybe in a row, and options got stuck in ${row} instead of top level
// not sure this code is still needed, as server-side no longer creates ${row} or {$row} for select-options
if(!content_options || content_options.length == 0)
{
var row_stuck = ['${row}','{$row}'];
for(var i = 0; i < row_stuck.length; i++)
{
// perspectiveData.row in nm, data["${row}"] in an auto-repeat grid
if(this.getArrayMgr("sel_options").perspectiveData.row || this.getArrayMgr("sel_options").data[row_stuck[i]])
{
var row_id = this.id.replace(/[0-9]+/,row_stuck[i]);
content_options = this.getArrayMgr("sel_options").getEntry(row_id);
if(!content_options || content_options.length == 0)
{
content_options = this.getArrayMgr("sel_options").getEntry(row_stuck[i] + '[' + this.id + ']');
}
}
}
}
if(_attrs["select_options"] && !jQuery.isEmptyObject(_attrs['select_options']) && content_options)
{
_attrs["select_options"] = jQuery.extend({},_attrs["select_options"],content_options);
}
else if (content_options)
{
_attrs["select_options"] = content_options;
}
}
// Check whether the options entry was found, if not read it from the
// content array.
if (jQuery.isEmptyObject(_attrs["select_options"]) && this.getArrayMgr('content') != null)
{
if (content_options) _attrs['select_options'] = content_options;
var content_mgr = this.getArrayMgr('content');
if (content_mgr)
{
// If that didn't work, check according to ID
if (!content_options) _attrs["select_options"] = content_mgr.getEntry("options-" + this.id);
// Again, try last name part at top level - this is usually just the value
var content_options = content_mgr.getRoot().getEntry(name_parts[name_parts.length-1]);
}
}
// Default to an empty object
if (_attrs["select_options"] == null)
{
_attrs["select_options"] = {};
}
},
/**
* Switch instanciated widget to multi-selection and back, optionally enabeling tags too
*
* If you want to switch tags on too, you need to do so after switching to multiple!
*
* @param {boolean} _multiple
* @param {integer} _size default=3
*/
set_multiple: function(_multiple, _size)
{
this.options.multiple = _multiple;
if (this.input)
{
if (_multiple)
{
this.input.attr('size', _size || 3);
this.input.attr('multiple', true);
this.input.attr('name', this.id + '[]');
if (this.input[0].options.length && this.input[0].options[0].value === '')
{
this.input[0].options[0] = null;
}
}
else
{
this.input.attr('multiple', false);
this.input.removeAttr('size');
this.input.attr('name', this.id);
if (this.options.empty_label && this.input[0].options[0].value !== '')
{
this._appendOptionElement('', this.options.empty_label);
}
}
}
},
/**
* Add an option to regular drop-down select
*
* @param {string} _value value attribute of option
* @param {string} _label label of option
* @param {string} _title title attribute of option
* @param {node} dom_element parent of new option
*/
_appendOptionElement: function(_value, _label, _title, dom_element) {
if(_value == "" && (_label == null || _label == "")) {
return; // empty_label is added in set_select_options anyway, ignoring it here to not add it twice
}
if(this.input == null)
{
return this._appendMultiOption(_value, _label, _title, dom_element);
}
var option = $j(document.createElement("option"))
.attr("value", _value)
.text(_label+"");
if (typeof _title != "undefined" && _title)
{
option.attr("title", _title);
}
if(_label == this.options.empty_label || this.options.empty_label == "" && _value === "")
{
// Make sure empty / all option is first
option.prependTo(this.input);
}
else
{
option.appendTo(dom_element || this.input);
}
},
/**
* Append a value to multi-select
*
* @param {string} _value value attribute of option
* @param {string} _label label of option
* @param {string} _title title attribute of option
* @param {node} dom_element parent of new option
*/
_appendMultiOption: function(_value, _label, _title, dom_element) {
var option_data = null;
if(typeof _label == "object")
{
option_data = _label;
_label = option_data.label;
}
// Already in header
if(_label == this.options.empty_label) return;
var opt_id = this.dom_id + "_opt_" + _value;
var label = jQuery(document.createElement("label"))
.attr("for", opt_id)
.hover(
function() {jQuery(this).addClass("ui-state-hover");},
function() {jQuery(this).removeClass("ui-state-hover");}
);
var option = jQuery(document.createElement("input"))
.attr("type", "checkbox")
.attr("id",opt_id)
.attr("value", _value)
.appendTo(label);
if(typeof _title !== "undefined")
{
option.attr("title",_title);
}
// Some special stuff for categories
if(option_data )
{
if(option_data.icon)
{
var img = this.egw().image(option_data.icon);
jQuery(document.createElement("img"))
.attr("src", img)
.appendTo(label);
}
if(option_data.color)
{
label.css("background-color",option_data.color);
}
}
label.append(jQuery(""+_label+""));
var li = jQuery(document.createElement("li")).append(label);
li.appendTo(dom_element || this.multiOptions);
},
/**
* Create a regular drop-down select box
*/
createInputWidget: function() {
// Create the base input widget
this.input = $j(document.createElement("select"))
.addClass("et2_selectbox")
.attr("size", this.options.rows);
this.setDOMNode(this.input[0]);
// Add the empty label
if(this.options.empty_label)
{
this._appendOptionElement("", this.options.empty_label);
}
// Set multiple
if(this.options.multiple)
{
this.input.attr("multiple", "multiple");
}
},
/**
* Create a list of checkboxes
*/
createMultiSelect: function() {
var node = jQuery(document.createElement("div"))
.addClass("et2_selectbox");
var header = jQuery(document.createElement("div"))
.addClass("ui-widget-header ui-helper-clearfix")
.appendTo(node);
var controls = jQuery(document.createElement("ul"))
.addClass('ui-helper-reset')
.appendTo(header);
if(this.options.empty_label)
{
jQuery(document.createElement("span"))
.text(this.options.empty_label)
.addClass("ui-multiselect-header")
.appendTo(header);
}
// Set up for options to be added later
var options = this.multiOptions = jQuery(document.createElement("ul"));
this.multiOptions.addClass("ui-multiselect-checkboxes ui-helper-reset")
.css("height", 1.9*this.options.rows + "em")
.appendTo(node);
if(this.options.rows >= 5)
{
// Check / uncheck all
var header_controls = {
check: {
icon_class: 'ui-icon-check',
label: 'Check all',
click: function(e) {
var all_set = jQuery("input[type='checkbox']",e.data).prop("checked");
jQuery("input[type='checkbox']",e.data).prop("checked", !all_set);
}
}
};
for(var key in header_controls)
{
jQuery(document.createElement("li"))
.addClass("et2_clickable")
.click(options, header_controls[key].click)
.attr("title", header_controls[key].label)
.append('')
.appendTo(controls);
}
}
this.setDOMNode(node[0]);
},
doLoadingFinished: function() {
this._super.apply(this, arguments);
this.set_tags(this.options.tags);
return true;
},
loadFromXML: function(_node) {
// Handle special case where legacy option for empty label is used (conflicts with rows), and rows is set as an attribute
var legacy = _node.getAttribute("options");
if(legacy)
{
var legacy = legacy.split(",");
if(legacy.length && isNaN(legacy[0]))
{
this.options.empty_label = legacy[0];
}
}
// Read the option-tags
var options = et2_directChildrenByTagName(_node, "options");
for (var i = 0; i < options.length; i++)
{
this.options.select_options[et2_readAttrWithDefault(options[i], "value", options[i].textContent)] = {
"label": options[i].textContent,
"title": et2_readAttrWithDefault(options[i], "title", "")
};
}
this.set_select_options(this.options.select_options);
},
set_value: function(_value) {
if(typeof _value == "string" && this.options.multiple && _value.match(/[,0-9A-Za-z]+$/) !== null)
{
_value = _value.split(',');
}
if(this.input !== null && this.options.select_options && this.input.children().length == 0)
{
// No options set yet
this.set_select_options(this.options.select_options);
}
if(this.input !== null && (this.options.tags || this.options.search))
{
this.input.val(_value);
this.input.trigger("liszt:updated");
this.value = this.input.val();
return;
}
if(this.input == null)
{
return this.set_multi_value(_value);
}
if(typeof _value != 'string' && jQuery(this.value).not(_value).length == 0 && jQuery(_value).not(this.value).length == 0)
{
// Unchanged
if(_value == this.value) return;
}
jQuery("option",this.input).prop("selected", false);
if(typeof _value == "array")
{
for(var i = 0; i < _value.length; i++)
{
jQuery("option[value='"+_value[i]+"']", this.input).prop("selected", true);
}
}
else if (typeof _value == "object")
{
for(var i in _value)
{
jQuery("option[value='"+_value[i]+"']", this.input).prop("selected", true);
}
}
else
{
if(_value && jQuery("option[value='"+_value+"']", this.input).prop("selected", true).length == 0)
{
if(this.options.select_options[_value])
{
// Options not set yet? Do that now, which will try again.
return this.set_select_options(this.options.select_options);
}
else if (jQuery.isEmptyObject(this.options.select_options))
{
this.egw().debug("warn", "Can't set value to '%s', widget has no options set",_value, this);
}
else
{
this.egw().debug("warn", "Tried to set value '%s' that isn't an option", _value, this);
}
return;
}
}
this.value = _value;
},
set_multi_value: function(_value) {
jQuery("input",this.multiOptions).prop("checked", false);
if(typeof _value == "array")
{
for(var i = 0; i < _value.length; i++)
{
jQuery("input[value='"+_value[i]+"']", this.multiOptions).prop("checked", true);
}
}
else if (typeof _value == "object")
{
for(var i in _value)
{
jQuery("input[value='"+_value[i]+"']", this.multiOptions).prop("checked", true);
}
}
else
{
if(jQuery("input[value='"+_value+"']", this.multiOptions).prop("checked", true).length == 0)
{
this.egw().debug("warn", "Tried to set value that isn't an option", this, _value);
}
}
// Sort selected to the top
if(this.selected_first)
{
this.multiOptions.find("li:has(input:checked)").prependTo(this.multiOptions);
}
this.value = _value;
},
/**
* Turn tag style on and off
*
* If you want to switch multiple on too, you need to do so before switching tags on!
*
* @param {boolean} _tags
* @param {string} _width width to use, default width of selectbox
*/
set_tags: function(_tags, _width)
{
this.options.tags = _tags;
// Can't actually do chosen until attached, loadingFinished should call again
if(!this.isAttached()) return;
if(this.input != null && !this.options.tags && !this.options.search)
{
this.input.unchosen().css('width', '');
return;
}
// Turn on tags, if desired
if(this.input != null && (this.options.search || this.options.tags) && !this.options.disabled)
{
if(this.options.empty_label)
{
this.input.attr("data-placeholder", this.egw().lang(this.options.empty_label));
// Remove from list of options, if multiple
if (this.options.multiple)
{
this.input.children('[value=""]').remove();
}
}
// Properly size chosen, even if on a hidden tab
var size = egw.getHiddenDimensions(this.input);
this.input.chosen({
inherit_select_classes: true,
search_contains: true,
width: _width || size.w + "px"
})
.change(this.onchange);
}
},
/**
* The set_select_options function is added, as the select options have to be
* added after the "option"-widgets were added to selectbox.
*
* @param {(array|object)} _options array or object with options
*/
set_select_options: function(_options) {
// Empty current options
if(this.input)
{
this.input.empty();
}
else if (this.multiOptions)
{
this.multiOptions.empty();
}
// Re-add empty, it's usually not there (empty_label get's allways translated, independent of no_lang!)
if(this.options.empty_label)
{
this._appendOptionElement('', this.egw().lang(this.options.empty_label));
}
// Add the select_options
for (var key in _options)
{
// Translate the options
if(!this.options.no_lang)
{
if (typeof _options[key] === 'object')
{
if(_options[key]["label"]) _options[key]["label"] = this.egw().lang(_options[key]["label"]);
if(_options[key]["title"]) _options[key]["title"] = this.egw().lang(_options[key]["title"]);
}
else
{
_options[key] = this.egw().lang(_options[key]);
}
}
if (typeof _options[key] === 'object' && _options[key] != null)
{
// Optgroup
if(typeof _options[key]["label"] == 'undefined' && typeof _options[key]["title"] == "undefined")
{
var group = $j(document.createElement("optgroup"))
.attr("label", this.options.no_lang ? key : this.egw().lang(key))
.appendTo(this.input);
if(this.input == null)
{
group = jQuery(document.createElement("ul"))
.append('')
.appendTo(this.multiOptions);
}
for(var sub in _options[key])
{
if (typeof _options[key][sub] === 'object')
{
this._appendOptionElement(sub,
_options[key][sub]["label"] ? _options[key][sub]["label"] : "",
_options[key][sub]["title"] ? _options[key][sub]["title"] : "",
group
);
}
else
{
this._appendOptionElement(sub, _options[key][sub],undefined,group);
}
}
}
else if(this.input == null)
{
// Allow some special extras for objects by passing the whole thing
_options[key]["label"] = _options[key]["label"] ? _options[key]["label"] : "";
this._appendMultiOption(typeof _options[key].value != 'undefined' ? _options[key].value : key,
_options[key], _options[key]["title"]);
}
else
{
this._appendOptionElement(typeof _options[key].value != 'undefined' ? _options[key].value : key,
_options[key]["label"] ? _options[key]["label"] : "",
_options[key]["title"] ? _options[key]["title"] : "");
}
}
else
{
this._appendOptionElement(key, _options[key]);
}
}
// Sometimes value gets set before options
if(this.value || this.options.empty_label) this.set_value(this.value);
},
getValue: function() {
if(this.input == null)
{
var value = [];
jQuery("input:checked",this.multiOptions).each(function(){value.push(this.value);});
this.value = value;
}
else
{
this.value = this._super.apply(this, arguments);
}
return this.value;
},
isDirty: function() {
if(this.input == null)
{
var value = this.getValue();
// Array comparison
return !($j(this._oldValue).not(value).length == 0 && $j(value).not(this._oldValue).length == 0);
}
else
{
return this._super.apply(this, arguments);
}
}
});
et2_register_widget(et2_selectbox, ["menupopup", "listbox", "select", "select-cat",
"select-percent", 'select-priority', 'select-access',
'select-country', 'select-state', 'select-year', 'select-month',
'select-day', 'select-dow', 'select-hour', 'select-number', 'select-app',
'select-lang', 'select-bool', 'select-timezone' ]);
/**
* et2_selectbox_ro is the readonly implementation of the selectbox.
*
* @augments et2_selectbox
*/
var et2_selectbox_ro = et2_selectbox.extend([et2_IDetachedDOM],
{
/**
* Constructor
*
* @memberOf et2_selectbox_ro
*/
init: function() {
this._super.apply(this, arguments);
this.supportedWidgetClasses = [];
this.optionValues = {};
if(this.options.select_options) this.set_select_options(this.options.select_options);
},
createInputWidget: function() {
this.span = $j(document.createElement("span"))
.addClass("et2_selectbox readonly")
.text(this.options.empty_label);
this.setDOMNode(this.span[0]);
},
// Handle read-only multiselects in the same way
createMultiSelect: function() {
this.span = $j(document.createElement("ul"))
.addClass("et2_selectbox readonly");
this.setDOMNode(this.span[0]);
},
loadFromXML: function(_node) {
// Read the option-tags
var options = et2_directChildrenByTagName(_node, "options");
for (var i = 0; i < options.length; i++)
{
this.optionValues[et2_readAttrWithDefault(options[i], "value", 0)] =
{
"label": options[i].textContent,
"title": et2_readAttrWithDefault(options[i], "title", "")
};
}
},
set_select_options: function(_options) {
for (var key in _options)
{
// Translate the options
if(!this.options.no_lang)
{
if (typeof _options[key] === 'object' && _options[key] != null)
{
if(_options[key]["label"]) _options[key]["label"] = this.egw().lang(_options[key]["label"]);
if(_options[key]["title"]) _options[key]["title"] = this.egw().lang(_options[key]["title"]);
}
else
{
_options[key] = this.egw().lang(_options[key]);
}
}
// Allow some special extras for objects by passing the whole thing - value might not be key
var option_id = _options[key] == null ? key : _options[key].value || _options[key].id || key;
if(option_id != key) {
egw.debug('log', 'Options not indexed. TODO: what is up?', this);
}
this.optionValues[option_id] = _options[key];
}
},
set_value: function(_value) {
if(typeof _value == "string" && _value.match(/[,0-9A-Za-z]+$/) !== null)
{
_value = _value.split(',');
}
this.value = _value;
if(typeof _value == "object")
{
this.span.empty();
if(_value)
{
for(var i = 0; i < _value.length; i++)
{
var option = this.optionValues[_value[i]];
if(typeof option === "object" && option != null)
{
option = option.label;
}
else if (typeof option == 'undefined')
{
// Not a valid option
continue;
}
$j(""+option+"")
.attr('data-value', _value[i])
.appendTo(this.span);
}
}
return;
}
var option = this.optionValues[_value];
if (typeof option === 'object' && option != null)
{
this.span.text(option.label);
this.set_statustext(option.title);
}
else if (typeof option === 'string')
{
this.span.text(option);
}
else
{
this.span.text("");
}
},
/**
* Override parent to return null - no value, not node value
*/
getValue: function() {
return null;
},
/**
* Functions for et2_IDetachedDOM
*/
/**
* Creates a list of attributes which can be set when working in the
* "detached" mode. The result is stored in the _attrs array which is provided
* by the calling code.
*
* @param {array} _attrs array to add further attributes to
*/
getDetachedAttributes: function(_attrs) {
_attrs.push("value");
},
/**
* Returns an array of DOM nodes. The (relatively) same DOM-Nodes have to be
* passed to the "setDetachedAttributes" function in the same order.
*
* @return {array}
*/
getDetachedNodes: function() {
return [this.span[0]];
},
/**
* Sets the given associative attribute->value array and applies the
* attributes to the given DOM-Node.
*
* @param _nodes is an array of nodes which have to be in the same order as
* the nodes returned by "getDetachedNodes"
* @param _values is an associative array which contains a subset of attributes
* returned by the "getDetachedAttributes" function and sets them to the
* given values.
*/
setDetachedAttributes: function(_nodes, _values) {
this.span = jQuery(_nodes[0]);
this.set_value(_values["value"]);
}
});
et2_register_widget(et2_selectbox_ro, ["menupopup_ro", "listbox_ro", "select_ro", "select-cat_ro",
"select-percent_ro", 'select-priority_ro', 'select-access_ro',
'select-country_ro', 'select-state_ro', 'select-year_ro', 'select-month_ro',
'select-day_ro', 'select-dow_ro', 'select-hour_ro', 'select-number_ro', 'select-app_ro',
'select-lang_ro', 'select-bool_ro', 'select-timezone_ro' ]);
/**
* Widget class which represents a single option inside a selectbox
*/
/*var et2_option = et2_baseWidget.extend({
attributes: {
"value": {
"name": "Value",
"type": "string",
"description": "Value which is sent back to the server when this entry is selected."
},
"label": {
"name": "Label",
"type": "string",
"description": "Caption of the option element"
},
"width": {
"ignore": true
},
"height": {
"ignore": true
},
"align": {
"ignore": true
}
},
init: function() {
this._super.apply(this, arguments);
// Only allow other options inside of this element
this.supportedWidgetClasses = [et2_option];
this.option = $j(document.createElement("option"))
.attr("value", this.options.value)
.attr("selected", this._parent.options.value == this.options.value ?
"selected" : "");
if (this.options.label)
{
this.option.text(this.options.label);
}
this.setDOMNode(this.option[0]);
},
destroy: function() {
this._super.apply(this, arguments);
this.option = null;
},
loadContent: function(_data) {
this.option.text(_data);
}
/* Doesn't work either with selectboxes
set_statustext: function(_value) {
this.statustext = _value;
this.option.attr("title", _value);
}*/
//});*/
//et2_register_widget(et2_option, ["option"]);
/**
* Class which just implements the menulist container
*
* @augments et2_DOMWidget
*/
var et2_menulist = et2_DOMWidget.extend(
{
/**
* Construtor
*
* @memberOf et2_menulist
*/
init: function() {
this._super.apply(this, arguments);
this.supportedWidgetClasses = [et2_selectbox, et2_selectbox_ro];
},
// Just pass the parent DOM node through
getDOMNode: function(_sender) {
if (_sender != this)
{
return this._parent.getDOMNode(this);
}
return null;
},
// Also need to pass through parent's children
getChildren: function() {
return this._parent.getChildren();
}
});
et2_register_widget(et2_menulist, ["menulist"]);