1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  * @package Nette\Forms\Controls
  7:  */
  8: 
  9: 
 10: 
 11: /**
 12:  * Set of radio button controls.
 13:  *
 14:  * @author     David Grudl
 15:  *
 16:  * @property   array $items
 17:  * @property-read NHtml $separatorPrototype
 18:  * @property-read NHtml $containerPrototype
 19:  * @package Nette\Forms\Controls
 20:  */
 21: class NRadioList extends NFormControl
 22: {
 23:     /** @var NHtml  separator element template */
 24:     protected $separator;
 25: 
 26:     /** @var NHtml  container element template */
 27:     protected $container;
 28: 
 29:     /** @var array */
 30:     protected $items = array();
 31: 
 32: 
 33:     /**
 34:      * @param  string  label
 35:      * @param  array   options from which to choose
 36:      */
 37:     public function __construct($label = NULL, array $items = NULL)
 38:     {
 39:         parent::__construct($label);
 40:         $this->control->type = 'radio';
 41:         $this->container = NHtml::el();
 42:         $this->separator = NHtml::el('br');
 43:         if ($items !== NULL) {
 44:             $this->setItems($items);
 45:         }
 46:     }
 47: 
 48: 
 49:     /**
 50:      * Returns selected radio value.
 51:      * @param  bool
 52:      * @return mixed
 53:      */
 54:     public function getValue($raw = FALSE)
 55:     {
 56:         return is_scalar($this->value) && ($raw || isset($this->items[$this->value])) ? $this->value : NULL;
 57:     }
 58: 
 59: 
 60:     /**
 61:      * Has been any radio button selected?
 62:      * @return bool
 63:      */
 64:     public function isFilled()
 65:     {
 66:         return $this->getValue() !== NULL;
 67:     }
 68: 
 69: 
 70:     /**
 71:      * Sets options from which to choose.
 72:      * @param  array
 73:      * @return self
 74:      */
 75:     public function setItems(array $items)
 76:     {
 77:         $this->items = $items;
 78:         return $this;
 79:     }
 80: 
 81: 
 82:     /**
 83:      * Returns options from which to choose.
 84:      * @return array
 85:      */
 86:     public function getItems()
 87:     {
 88:         return $this->items;
 89:     }
 90: 
 91: 
 92:     /**
 93:      * Returns separator HTML element template.
 94:      * @return NHtml
 95:      */
 96:     public function getSeparatorPrototype()
 97:     {
 98:         return $this->separator;
 99:     }
100: 
101: 
102:     /**
103:      * Returns container HTML element template.
104:      * @return NHtml
105:      */
106:     public function getContainerPrototype()
107:     {
108:         return $this->container;
109:     }
110: 
111: 
112:     /**
113:      * Generates control's HTML element.
114:      * @param  mixed
115:      * @return NHtml
116:      */
117:     public function getControl($key = NULL)
118:     {
119:         if ($key === NULL) {
120:             $container = clone $this->container;
121:             $separator = (string) $this->separator;
122: 
123:         } elseif (!isset($this->items[$key])) {
124:             return NULL;
125:         }
126: 
127:         $control = parent::getControl();
128:         $id = $control->id;
129:         $counter = -1;
130:         $value = $this->value === NULL ? NULL : (string) $this->getValue();
131:         $label = NHtml::el('label');
132: 
133:         foreach ($this->items as $k => $val) {
134:             $counter++;
135:             if ($key !== NULL && (string) $key !== (string) $k) {
136:                 continue;
137:             }
138: 
139:             $control->id = $label->for = $id . '-' . $counter;
140:             $control->checked = (string) $k === $value;
141:             $control->value = $k;
142: 
143:             if ($val instanceof NHtml) {
144:                 $label->setHtml($val);
145:             } else {
146:                 $label->setText($this->translate((string) $val));
147:             }
148: 
149:             if ($key !== NULL) {
150:                 return NHtml::el()->add($control)->add($label);
151:             }
152: 
153:             $container->add((string) $control . (string) $label . $separator);
154:             $control->data('nette-rules', NULL);
155:         }
156: 
157:         return $container;
158:     }
159: 
160: 
161:     /**
162:      * Generates label's HTML element.
163:      * @param  string
164:      * @return NHtml
165:      */
166:     public function getLabel($caption = NULL)
167:     {
168:         $label = parent::getLabel($caption);
169:         $label->for = NULL;
170:         return $label;
171:     }
172: 
173: }
174: