na1k

<?php

/**
 * Renderuje kazdy radio input jako radek tabulky, volitelne s rozsirenymi popisky
 */
class ExtendedRadioList extends FormControl {

   /** @var Html  separator element template */
    protected $separator;

    /** @var Html  container element template */
    protected $container;

    /** @var array */
    protected $items = array();

   /** @var rozsirene popisky inputu */
   private $descriptions = NULL;


   /**
    * Oproti RadioList je konstruktor rozsireny o treti parametr - pole objektu s popisky
    * TODO: zavest pro popisky rozhrani?
    * @param mixed $label [optional]
    * @param array $items [optional]
    * @param array $descriptions [optional] pole poli s popisky
    * @return
    */
   public function __construct($label = NULL, array $items = NULL, array $descriptions = NULL) {
        parent::__construct($label);
        $this->control->type = 'radio';
        $this->container = Html::el('');
        $this->separator = Html::el('br');
        if ($items !== NULL) $this->setItems($items);
      if ($descriptions !== NULL) $this->setDescriptions($descriptions);
    }

   /**
    * Setter pro $descriptions
    * @param array $desc
    * @return void
    */
   public function setDescriptions(array $desc) {
      $this->descriptions = $desc;
   }


    /**
     * Returns selected radio value.
     * @param  bool
     * @return mixed
     */
    public function getValue($raw = FALSE)
    {
        return is_scalar($this->value) && ($raw || isset($this->items[$this->value])) ? $this->value : NULL;
    }



    /**
     * Sets options from which to choose.
     * @param  array
     * @return RadioList  provides a fluent interface
     */
    public function setItems(array $items)
    {
        $this->items = $items;
        return $this;
    }



    /**
     * Returns options from which to choose.
     * @return array
     */
    final public function getItems()
    {
        return $this->items;
    }



    /**
     * Returns separator HTML element template.
     * @return Html
     */
    final public function getSeparatorPrototype()
    {
        return $this->separator;
    }



    /**
     * Returns container HTML element template.
     * @return Html
     */
    final public function getContainerPrototype()
    {
        return $this->container;
    }

   /**
    * Vraci strukturu controlu k vykresleni
    * @param object $key [optional] vraci pouze control s danym keyem
    * @return Html
    */
   public function getControl($key = NULL) {
      $container = clone $this->container;

      if (!isset($this->items[$key])) {
            return NULL;
        }

        $control = parent::getControl($key);
        $id = $control->id;
        $counter = -1;
        $value = $this->value === NULL ? NULL : (string) $this->getValue();

        foreach ($this->items as $k => $val) {
            $counter++;
            if ($key !== NULL && $key != $k) continue; // intentionally ==

         $control->id = $id . '-' . $counter;
            $control->checked = (string) $k === $value;
            $control->value = $k;


         /*  /----------------------------------------------\
          *  |     |         desc[0]            |           |
          *  |  o  |----------------------------|  desc[1]  |
          *  |     |         desc[2]            |           |
          *  \----------------------------------------------/
          */
            if ($this->descriptions !== NULL && isset($this->descriptions[$k])) {
            $desc = $this->descriptions[$k];
            $row = Html::el('tr');

            $td1 = Html::el('td')->setHtml( (string)$control );
            if (count($desc)>2) $td1->rowspan(2);
            $row->add($td1);

            $td2 = Html::el('td')->setHtml($desc[0]);
            $row->add($td2);

            if (isset($desc[1])) {
               $td3 = Html::el('td')->setHtml($desc[1]);
               if (count($desc)>2) $td3->rowspan(2);
               $row->add($td3);
            }

            $container->add($row);

            if (isset($desc[2])) {
               $row = Html::el('tr');
               $td4 = Html::el('td')->setHtml($desc[2]);
               $row->add($td4);
               $container->add($row);
            }

            } else {
            $row = Html::el('tr');

            $td1 = Html::el('td')->setHtml( (string)$control );
            $row->add($td1);

            $td2 = Html::el('td');
            if ($val instanceof Html) {
                $td2->setHtml($val);
            } else {
                $td2->setText($this->translate($val));
            }
            $row->add($td2);

               $container->add($row);
            }


        }

        return $container;
   }


    /**
     * Generates label's HTML element.
     * @return void
     */
    public function getLabel()
    {
        $label = parent::getLabel();
        $label->for = NULL;
        return $label;
    }



    /**
     * Filled validator: has been any radio button selected?
     * @param  IFormControl
     * @return bool
     */
    public static function validateFilled(IFormControl $control)
    {
        return $control->getValue() !== NULL;
    }


}
?>