<?php
// sortparagraph.inc.php for PukiWiki available under the GPL
//       by teanan / Interfair Laboratory 2005.

function plugin_sortparagraph_action()
{
	global $vars, $_title_edit;

	$page = (isset($vars['page']))? $vars['page'] : '';

	$paragraph = array();
	$_data = '';
	$pagedata = get_source($page);
	$digest = md5(join('',$pagedata));
	$caption = '';
	foreach($pagedata as $line)
	{
		if(preg_match('/^\*{1,3}\s*(.*?)\s*(?:\[.+\])?$/',$line, $match))
		{
			if(empty($paragraph[$caption]))
			{
				$paragraph[$caption] = '';
			}
			$paragraph[$caption] .= $_data;
			$_data = $line;
			$caption = $match[1];
		}
		else
		{
			$_data .= $line;
		}
	}
	if($_data!='')
	{
		if(empty($paragraph[$caption]))
		{
			$paragraph[$caption] = '';
		}
		$paragraph[$caption] .= $_data;
	}
	unset($pagedata);
	ksort($paragraph,SORT_STRING);

	$vars['refer'] = $page;
	$postdata = join('',$paragraph);
	return array('msg'=>$_title_edit, 'body'=>edit_form($page, $postdata, $digest, FALSE));
}
?>