<?php
/**
 * Template_Lite {html_checkbox} function plugin
 *
 * Type:     function
 * Name:     textbox
 * Purpose:  Creates a checkbox
 * Input:
 *           - name = the name of the checkbox
 *           - value = optional value for the checkbox
 *           - checked = boolean - whether the box is checked or not
 * Author:   Paul Lockaby <paul@paullockaby.com>
 */
function tpl_function_html_checkboxes($params, &$tpl)
{
	require_once("shared.escape_chars.php");
	$name = null;
	$value = null;
	$checked = null;
	$extra = '';

	foreach($params as $_key => $_value)
	{
		switch($_key)
		{
			case 'name':
			case 'value':
				$$_key = $_value;
				break;
			case 'checked':
				if ($_key == 'true' || $_key == 'yes' || $_key == 'on')
				{
					$$_key = true;
				}
				else
				{
					$$_key = false;
				}
				break;
			default:
				if(!is_array($_key))
				{
					$extra .= ' ' . $_key . '="' . tpl_escape_chars($_value) . '"';
				}
				else
				{
					throw new Template_Exception("html_checkbox: attribute '$_key' cannot be an array", $tpl);
				}
		}
	}

	if (!isset($name) || empty($name))
	{
		throw new Template_Exception("html_checkbox: missing 'name' parameter", $tpl);
		return;
	}

	$toReturn = '<input type="checkbox" name="' . tpl_escape_chars($name) . '"';
	if (isset($checked))
	{
		$toReturn .= ' checked';
	}
	if (isset($value))
	{
		$toReturn .= ' value="' . tpl_escape_chars($value) . '"';
	}
	$toReturn .= ' ' . $extra . ' />';
	return $toReturn;
}
?>