time-field.inc.php

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<?php
class TimeField extends AbstractField
{
    protected $mode = '12';

    public function __construct($name, Form &$parentForm, array $attribs = array())
    {
        parent::__construct($name, $parentForm, $attribs);

        if(isset($this->extras['mode']))
        {
            if($this->extras['mode'] == 12 || $this->extras['mode'] == 24) 
                $this->mode = $this->extras['mode'];
            else
                throw new Exception("Invalid time field mode: $this->extras[mode]");

            unset($this->extras['mode']);
        }
        else
            $this->mode = 12;

        $this->value = 'now';
    }

    
    public function drawInput()
    {
        $time = getdate(strtotime($this->value));
        
        # Hour
        $displayHour = $this->mode == 12 ? ($time['hours'] > 12 ? $time['hours'] - 12 : $time['hours']) 
            : $time['hours'];

        echo "<select name='{$this->name}_hour'>";
        for($i = 1; $i <= $this->mode; $i++)
            echo "\t<option value='$i'", $displayHour == $i ? ' selected="selected">' : '>',
                $i, "</option>\n";
        echo "</select>:";

        # Minute
        echo "<select name='{$this->name}_minute'>";
        for($i = 0; $i <= 60; $i++)
            echo "<option value='$i'", $time['minutes'] == $i ? ' selected="selected">' : '>',
                str_pad($i, 2, 0, STR_PAD_LEFT), "</option>\n";

        echo "</select>";

        # Meridiem
        if($this->mode == 12)
        {
            echo "\n<select name='{$this->name}_meridiem'>";
            echo '<option value="am"' . ($time['hours'] <= 12 ? ' selected="selected">' : '>') . 'AM</option>';
            echo '<option value="pm"' . ($time['hours'] > 12 ? ' selected="selected">' : '>') . 'PM</option>';
            echo "</select>\n";
        }
    }

    public function setDataFromRequest()
    {
        if(isset($_REQUEST["{$this->name}_meridiem"]))
            $hour = $_REQUEST["{$this->name}_meridiem"] == 'pm' ? $_REQUEST["{$this->name}_hour"] + 12 :
                (int)$_REQUEST["{$this->name}_hour"];
        else
            $hour = (int)$_REQUEST["{$this->name}_hour"];
            
        $this->value = "$hour:" . str_pad($_REQUEST["{$this->name}_minute"], 2, 0);
    }
}
?>

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