<?php

/**

* Copyright 2015 OpenStack Foundation

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

**/

class CategoryGroupField extends DropdownField

{

public function Field($properties = array()) {

$source = $this->getSource();

$options = array();

if($source) {

// SQLMap needs this to add an empty value to the options

if(is_object($source) && $this->emptyString) {

$options[] = new ArrayData(array(

'Value' => '',

'Title' => $this->emptyString

));

}

foreach($source as $data) {

$selected = false;

$value = $data['id'];

if($value === '' && ($this->value === '' || $this->value === null)) {

$selected = true;

} else {

// check against value, fallback to a type check comparison when !value

if($value) {

$selected = ($value == $this->value);

} else {

$selected = ($value === $this->value) || (((string) $value) === ((string) $this->value));

}

$this->isSelected = $selected;

}

$disabled = false;

if(in_array($value, $this->disabledItems) && $data['title'] != $this->emptyString ){

$disabled = 'disabled';

}

$options[] = new ArrayData(array(

'Title' => $data['title'],

'Value' => $value,

'Selected' => $selected,

'Disabled' => $disabled,

));

}

}

$properties = array_merge($properties, array('Options' => new ArrayList($options)));

$context = $this;

if(count($properties)) {

$context = $context->customise($properties);

}

$this->extend('onBeforeRender', $this);

return $context->renderWith($this->getTemplates());

}

public function validate($validator) {

$source = array_column($this->getSourceAsArray(), 'id');

$disabled = $this->getDisabledItems();

if (!in_array($this->value, $source) || in_array($this->value, $disabled)) {

if ($this->getHasEmptyDefault() && !$this->value) {

return true;

}

$validator->validationError(

$this->name,

_t(

'DropdownField.SOURCE_VALIDATION',

"Please select a value within the list provided. {value} is not a valid option",

array('value' => $this->value)

),

"validation"

);

return false;

}

return true;

}

}