~i', $content);
    $content = preg_replace('~(.*)' . $tx['toc']['newpage'] . '';
        $pagemanager_h[] = trim(strip_tags($tx['toc']['newpage']));
	$pagemanager_no_rename[] = preg_match('/.*?<.*?/isU', $tx['toc']['newpage']);
        $l[] = 1;
        $s = 0;
        return;
    }
    foreach ($temp_h as $i => $pagemanager_heading) {
        if ($pagemanager_heading == '') {
            $empty++;
            $pagemanager_heading = $tx['toc']['empty'] . ' ' . $empty;
        }
	$pagemanager_h[$i] = $pagemanager_heading;
    }
}
/**
 * Returns plugin version information.
 *
 * @return string
 */
function pagemanager_version() {
	global $tx;
	return '
' . $tx['message']['plugin_standard1'] . '
' . $tx['message']['plugin_standard2'] . ' ' . $tx['filetype']['config'] . '
'
	    .tag('hr').'Pagemanager_XH
'."\n"
	    .'Version: '.PAGEMANAGER_VERSION.'
'."\n"
	    .'Author: Copyright © 2011-2012 Christoph M. Becker
'."\n"
	    .'Adapted for CMSimple 4.0 and higher by ge-webdesign.de
'
	    .''
	    .'Pagemanager_XH is powered by '
	    .''
	    .'jQuery4CMSimple'
	    .' and jsTree.
'."\n"
	    .'This program is free software: you can redistribute it and/or modify'
	    .' it under the terms of the GNU General Public License as published by'
	    .' the Free Software Foundation, either version 3 of the License, or'
	    .' (at your option) any later version.
'."\n"
	    .'This program is distributed in the hope that it will be useful,'
	    .' but WITHOUT ANY WARRANTY; without even the implied warranty of'
	    .' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the'
	    .' GNU General Public License for more details.
'."\n"
	    .'You should have received a copy of the GNU General Public License'
	    .' along with this program.  If not, see'
	    .' http://www.gnu.org/licenses/.
'."\n";
}
/**
 * Returns the toolbar.
 *
 * @param  string $image_ext  The image extension (.gif or .png).
 * @param  string $save_js    The js code for onclick.
 * @return string	      The (x)html.
 */
function pagemanager_toolbar($image_ext, $save_js) {
    global $pth, $plugin_cf, $tx;
    $imgdir = $pth['folder']['plugins'].'pagemanager/images/';
    $horizontal = strtolower($plugin_cf['pagemanager']['toolbar_vertical']) != 'true';
    $res = ''."\n";
    $toolbar = array('save', 'separator', 'expand', 'collapse', 'separator', 'create',
	    'create_after', 'rename', 'delete', 'separator', 'cut', 'copy',
	    'paste', 'paste_after', 'separator', 'help');
    foreach ($toolbar as $tool) {
	$link = ($tool != 'help' ? 'href="#"'
		: 'href="'.$pth['file']['plugin_help'].'" target="_blank"');
	$img = $imgdir.$tool.($tool != 'separator' || !$horizontal ? '' : '_v').$image_ext;
	$class = $tool == 'separator' ? 'separator' : 'tool';
	$res .= ($tool != 'separator' ? '
' : '')
		.tag('img class="'.$class.'" src="'.$img.'"'
		    .($tool != 'help' ? ' onclick="pagemanager_do(\''.$tool.'\'); return false;"' : ''))
		.($tool != 'separator'
		    ? ''.($tool == 'save' ? ucfirst($tx['action']['save'])
			    : $tx['pagemanager']['op_'.$tool]).''
		    : '')
		.($horizontal ? '' : tag('br'))."\n";
    }
    $res .= '
 '."\n";
    return $res;
}
/**
 * Instanciate the pagemanager.js template.
 *
 * @param  string $image_ext  The image extension (.gif or .png).
 * @return string  	      The (x)html.
 */
function pagemanager_instanciateJS($image_ext) {
    global $pth, $plugin_cf, $cf, $tx;
    $js = rf($pth['folder']['plugins'].'pagemanager/pagemanager.js');
    preg_match_all('/<<>>/', $js, $options);
    foreach ($options[1] as $opt) {
	$pagemanager_cf[$opt] = addcslashes($plugin_cf['pagemanager'][$opt],
		"\0'\"\\\f\n\r\t\v");
    }
    preg_match_all('/<<>>/', $js, $options);
    foreach ($options[1] as $opt)
	$pagemanager_tx[$opt] = addcslashes($tx['pagemanager'][$opt],
		"\0'\"\\\f\n\r\t\v");
// replace config variables
	$js = str_replace('<<>>', 'true', $js);
	$js = str_replace('<<>>', '200', $js);
	$js = str_replace('<<>>', 'cmsimple', $js);
	
// replace language variables
	$js = str_replace('<<>>', $pagemanager_tx["button_cancel"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["button_delete"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["button_ok"], $js);
	
	$js = str_replace('<<>>', $pagemanager_tx["error_cant_rename"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["error_offending_extension"], $js);
	
	$js = str_replace('<<>>', $pagemanager_tx["message_confirm_deletion"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["message_confirm_leave"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["message_delete_last"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["message_menu_level"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["message_no_selection"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["message_warning_leave"], $js);
	
	$js = str_replace('<<>>', $pagemanager_tx["op_create"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["op_create_after"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["op_rename"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["op_delete"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["op_cut"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["op_copy"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["op_paste"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["op_paste_after"], $js);
	
	$js = str_replace('<<>>', $pagemanager_tx["treeview_loading"], $js);
	$js = str_replace('<<>>', $pagemanager_tx["treeview_new"], $js);
	
// replace the rest
    $js = str_replace('<<>>', $cf['menu']['levels'], $js);
    $js = str_replace('<<>>', $tx['toc']['dupl'], $js);
    $js = str_replace('<<>>', $image_ext, $js);
    $js = str_replace('<<>>', $pth['folder']['plugins'].'pagemanager/images/', $js);
    return ''."\n"
	    .''."\n";
}
/**
 * Emits the page administration (X)HTML.
 *
 * @return void
 */
function pagemanager_edit() {
    global $hjs, $pth, $o, $sn, $h, $l, $plugin, $plugin_cf, $tx,
	$u, $pagemanager_h, $pagemanager_no_rename, $pd_router;
    include_once($pth['folder']['plugins'].'jquery/jquery.inc.php');
    include_jQuery();
    include_jQueryUI();
    include_jQueryPlugin('jsTree', $pth['folder']['plugins']
	    .'pagemanager/jstree/jquery.jstree.js');
    $image_ext = (file_exists($pth['folder']['plugins'].'pagemanager/images/help.png'))
	    ? '.png' : '.gif';
    pagemanager_rfc();
    $bo = '';
    $swo = ''."\n";
    $save_js = 'jQuery(\'#pagemanager-xml\')[0].value ='
	    .' jQuery(\'#pagemanager\').jstree(\'get_xml\', \'nest\', -1,
		new Array(\'id\', \'title\', \'pdattr\'))';
    $xhpages = isset($_GET['xhpages']) ? '&pagemanager-xhpages' : '';
    $bo .= ''."\n"
	    .''."\n";
    $o .= ''."\n"
	    .''."\n";
}
/**
 * Handles start elements of jsTree's xml result.
 *
 * @return void
 */
function pagemanager_start_element_handler($parser, $name, $attribs) {
    global $o, $pagemanager_state;
    if ($name == 'ITEM') {
	$pagemanager_state['level']++;
	$pagemanager_state['id'] = $attribs['ID'] == ''
		? '' : preg_replace('/(copy_)?pagemanager-([0-9]*)/', '$2', $attribs['ID']);
	$pagemanager_state['title'] = htmlspecialchars($attribs['TITLE']);
	$pagemanager_state['pdattr'] = $attribs['PDATTR'];
	$pagemanager_state['num']++;
    }
}
/**
 * Handles end elements of jsTree's xml result.
 *
 * @return void
 */
function pagemanager_end_element_handler($parser, $name) {
    global $pagemanager_state;
    if ($name == 'ITEM')
	$pagemanager_state['level']--;
}
/**
 * Handles character data of jsTree's xml result.
 *
 * @return void
 */
function pagemanager_cdata_handler($parser, $data) {
    global $c, $h, $cf, $pagemanager_fp, $pagemanager_state, $pagemanager_pd,
	    $pd_router, $plugin_cf;
    $data = htmlspecialchars($data);
    if (isset($c[$pagemanager_state['id']])) {
	$cnt = $c[$pagemanager_state['id']];
	$cnt = preg_replace('/]*)>'
		.'((<[^>]*>)*)[^<]*((<[^>]*>)*)<\/h[1-'.$cf['menu']['levels'].']([^>]*)>/i',
		'${2}'.addcslashes($pagemanager_state['title'], '$\\').'$4'
		.'', $cnt, 1);
	fwrite($pagemanager_fp, rmnl($cnt."\n"));
    } else {
	fwrite($pagemanager_fp, ''.$pagemanager_state['title']
		.''."\n");
    }
    if ($pagemanager_state['id'] == '') {
	$pd = $pd_router->new_page(array());
    } else {
	$pd = $pd_router->find_page($pagemanager_state['id']);
    }
    $pd['url'] = uenc($pagemanager_state['title']);
    $pd[$plugin_cf['pagemanager']['pagedata_attribute']] = $pagemanager_state['pdattr'];
    $pagemanager_pd[] = $pd;
}
/**
 * Saves content.htm manually and
 * pagedata.php via $pd_router->model->refresh().
 *
 * @return void
 */
function pagemanager_save($xml) {
    global $pth, $tx, $pd_router, $pagemanager_state, $pagemanager_fp, $pagemanager_pd;
    $pagemanager_pd = array();
    $parser = xml_parser_create('UTF-8');
    xml_set_element_handler($parser, 'pagemanager_start_element_handler',
	    'pagemanager_end_element_handler');
    xml_set_character_data_handler($parser, 'pagemanager_cdata_handler');
    $pagemanager_state['level'] = 0;
    $pagemanager_state['num'] = -1;
    if ($pagemanager_fp = fopen($pth['file']['content'], 'w')) {
	fputs($pagemanager_fp, 'Content'."\n");
	xml_parse($parser, $xml, TRUE);
	fputs($pagemanager_fp, '');
	fclose($pagemanager_fp);
	$pd_router->model->refresh($pagemanager_pd);
    } else
	e('cntwriteto', 'content', $pth['file']['content']);
    rfc(); // is neccessary, if relocation fails!
}
/**
 * Hook into new edit menu of CMSimple_XH 1.5
 */
if ($f === 'xhpages' && isset($cf['pagemanager']['external'])
	&& in_array($cf['pagemanager']['external'], array('', 'pagemanager'))) {
    pagemanager_edit();
}
/**
 * Plugin administration
 */
if (isset($pagemanager)) {
    // check requirements (RELEASE-TODO)
    define('PAGEMANAGER_PHP_VERSION', '4.3.0');
    if (version_compare(PHP_VERSION, PAGEMANAGER_PHP_VERSION) < 0)
	$e .= ''.sprintf($tx['pagemanager']['error_phpversion'], PAGEMANAGER_PHP_VERSION).''."\n";
    foreach (array('pcre', 'xml') as $ext) {
	if (!extension_loaded($ext))
	    $e .= ''.sprintf($tx['pagemanager']['error_extension'], $ext).''."\n";
    }
    if (!file_exists($pth['folder']['plugins'].'jquery/jquery.inc.php'))
	$e .= ''.$tx['pagemanager']['error_jquery'].''."\n";
    if (strtolower($tx['meta']['codepage']) != 'utf-8') {
	$e .= ''.$tx['pagemanager']['error_encoding'].''."\n";
    }
    initvar('admin');
    initvar('action');
    $o .= print_plugin_admin('on');
    switch ($admin) {
	case '':
	    if ($action == 'plugin_save') {
		pagemanager_save(stsl($_POST['xml']));
		if (!headers_sent()) {
		    header('Location: http://'.$_SERVER['SERVER_NAME'].$sn
			    .(isset($_GET['pagemanager-xhpages'])
			    ? '?&normal&xhpages'
			    : '?&pagemanager&normal&admin=plugin_main'));
		}
		exit();
	    } else {
		$o .= pagemanager_version();
	    }
	    break;
	case 'plugin_main':
	    pagemanager_edit();
	    break;
	default:
	    $o .= plugin_admin_common($action, $admin, $plugin);
    }
}
?>