ipaddress-field.inc.php

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<?php
class IpAddressField extends CollectionField
{
    public function __construct($name, Form &$parentForm, array $attribs = array())
    {
        $attribs['fields'] = array(
            array('TextField', "${name}_1", array('size' => 3, 'maxlength' => 3)),
            array('LabelField', "${name}_dot1", array('text' => '&nbsp;.&nbsp;')),
            array('TextField', "${name}_2", array('size' => 3, 'maxlength' => 3)),
            array('LabelField', "${name}_dot2", array('text' => '&nbsp;.&nbsp;')),
            array('TextField', "${name}_3", array('size' => 3, 'maxlength' => 3)),
            array('LabelField', "${name}_dot3", array('text' => '&nbsp;.&nbsp;')),
            array('TextField', "${name}_4", array('size' => 3, 'maxlength' => 3)),
        );

        parent::__construct($name, $parentForm, $attribs);
        $this->autoAdvance = true;
    }

    public function validate()
    {
        # call parent to validate individual text fields
        parent::validate();

        # If any of the sub fields have input automatically all sub fields _must_ have input
        if(!$this->allFieldsHaveData() && !$this->noFieldsHaveData())
        {
            $this->hasError = true;
            $this->errorMessage = "The $this->title field must be a valid IP address.";
        }
    }

    public function getData()
    {
        $ret = $this->fields[0]->getData() . '.' . $this->fields[2]->getData() . '.' . 
            $this->fields[4]->getData() . '.' . $this->fields[6]->getData();

        # check for an empty value
        if($ret == '...')
            return null;

        return $ret;
    }


    public function setData($data)
    {
        if(preg_match('/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/', $data, $matches))
        {
            if(($matches[1] <= 255 && $matches[1] >= 0) &&
                ($matches[2] <= 255 && $matches[2] >= 0) &&
                ($matches[3] <= 255 && $matches[3] >= 0) &&
                ($matches[4] <= 255 && $matches[4] >= 0)
            )
            {
                $this->fields[0]->setData($matches[1]);
                $this->fields[2]->setData($matches[2]);
                $this->fields[4]->setData($matches[3]);
                $this->fields[6]->setData($matches[4]);

                return;
            }
        }

        if($data != '')
            throw new InvalidValueException();
    }

    public function getSqlImpl()
    {
        return "$this->name = '" . $this->getData() . "'";
    }
}
?>

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