<?php

/*
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
 * Copyright (C) 2006-2009 Dan Fuhry
 *
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 *
 * 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 details.
 */

// Page editing portal

function page_Admin_PageEditor()
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	global $lang;
	if ( $session->auth_level < USER_LEVEL_ADMIN || $session->user_level < USER_LEVEL_ADMIN )
	{
		$login_link = makeUrlNS('Special', 'Login/' . $paths->nslist['Special'] . 'Administration', 'level=' . USER_LEVEL_ADMIN, true);
		echo '<h3>' . $lang->get('adm_err_not_auth_title') . '</h3>';
		echo '<p>' . $lang->get('adm_err_not_auth_body', array( 'login_link' => $login_link )) . '</p>';
		return;
	}
	
	echo '<h3>' . $lang->get('acped_heading_main') . '</h3>';
	$show_select = true;
	
	if ( isset($_REQUEST['action']) || isset($_REQUEST['source']) )
	{
		if ( isset($_REQUEST['action']) )
		{
			$act =& $_REQUEST['action'];
			$act = strtolower($act);
		}
		else if ( isset($_REQUEST['source']) && $_REQUEST['source'] == 'ajax' )
		{
			$act = 'select';
		}
		switch ( $act )
		{
			case 'save':
			case 'select':
				// First step is to determine the page ID and namespace
				
				if ( isset($_REQUEST['pid_search']) )
				{
					list($page_id, $namespace) = RenderMan::strToPageID($_REQUEST['page_id']);
					$name = $db->escape(dirtify_page_id($page_id));
					$page_id = $db->escape(sanitize_page_id($page_id));
					$namespace = $db->escape($namespace);
					$name = strtolower($name);
					$page_id = strtolower($page_id);
					$sql = "SELECT * FROM " . table_prefix . "pages WHERE ( " . ENANO_SQLFUNC_LOWERCASE . "(urlname) LIKE '%$page_id%' OR " . ENANO_SQLFUNC_LOWERCASE . "(name) LIKE '%$name%' ) ORDER BY name ASC;";
				}
				else
				{
					// pid_search was not set, assume absolute page ID
					list($page_id, $namespace) = RenderMan::strToPageID($_REQUEST['page_id']);
					$page_id = $db->escape(sanitize_page_id($page_id));
					$namespace = $db->escape($namespace);
					
					$sql = "SELECT * FROM " . table_prefix . "pages WHERE urlname = '$page_id' AND namespace = '$namespace';";
				}
				
				if ( !($q = $db->sql_query($sql)) )
				{
					$db->_die('PageManager selecting dataset for page');
				}
				
				if ( $db->numrows() < 1 )
				{
					echo '<div class="error-box">
									' . $lang->get('acped_err_page_not_found') . '
								</div>';
					break;
				}
				
				if ( $db->numrows() > 1 )
				{
					// Ambiguous results
					if ( isset($_REQUEST['pid_search']) )
					{
						echo '<h3>' . $lang->get('acped_msg_results_ambiguous_title') . '</h3>';
						echo '<p>' . $lang->get('acped_msg_results_ambiguous_body') . '</p>';
						echo '<ul>';
						while ( $row = $db->fetchrow($q) )
						{
							echo '<li>';
							$pathskey = $paths->nslist[$row['namespace']] . $row['urlname'];
							$edit_url = makeUrlNS($row['namespace'], $row['urlname']) . '#do:edit';
							$view_url = makeUrlNS($row['namespace'], $row['urlname']);
							$page_name = htmlspecialchars(get_page_title_ns( $row['urlname'], $row['namespace'] ));
							$view_link = $lang->get('acped_ambig_btn_viewpage');
							echo "<a href=\"$edit_url\">$page_name</a> (<a onclick=\"window.open(this.href); return false;\" href=\"$view_url\">$view_link</a>)";
							echo '</li>';
						}
						echo '</ul>';
						$show_select = false;
						break;
					}
					else
					{
						echo '<p>' . $lang->get('acped_err_ambig_absolute') . '</p>';
						break;
					}
				}
				
				// From this point on we can assume that exactly one matching page was found.
				$dataset = $db->fetchrow();
				$page_id = $dataset['urlname'];
				$namespace = $dataset['namespace'];
				$url = makeUrlNS($namespace, $page_id, false, true) . '#do:edit';
				$url = addslashes($url);
				echo '<script type="text/javascript">
								window.location = \'' . $url . '\';
							</script>';
				
				$show_select = false;
				break;
		}
	}
	
	if ( $show_select )
	{
		echo '<p>' . $lang->get('acped_hint') . '</p>';
		
		// Show the search form
		
		$form_action = makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageEditor", true);
		echo "<form action=\"$form_action\" method=\"post\">";
		echo $lang->get('acped_lbl_field_search') . ' ';
		echo $template->pagename_field('page_id') . ' ';
		echo '<input type="hidden" name="action" value="select" />';
		echo '<input type="submit" name="pid_search" value="' . $lang->get('search_btn_search') . '" />';
		echo "</form>";
		
		// Grab all pages from the database and show a list of pages on the site
		
		echo '<h3>' . $lang->get('acped_heading_select_page_from_list') . '</h3>';
		echo '<p>' . $lang->get('acped_hint_select_page_from_list') . '</p>';
		
		$q = $db->sql_query('SELECT COUNT(name) AS num_pages FROM ' . table_prefix . 'pages;');
		if ( !$q )
			$db->_die('PageManager doing initial page count');
		list($num_pages) = $db->fetchrow_num();
		$db->free_result();
		
		$pg_start = ( isset($_GET['offset']) ) ? intval($_GET['offset']) : 0;
		
		$q = $db->sql_query('SELECT urlname, name, namespace, ' . $num_pages . ' AS num_pages, ' . $pg_start . ' AS offset, \'edit\' AS mode FROM ' . table_prefix . 'pages ORDER BY name ASC;');
		if ( !$q )
			$db->_die('PageManager doing main select query for page list');
		
		// Paginate results
		$html = paginate(
				$q,
				'{urlname}',
				$num_pages,
				makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageEditor&offset=%s", false),
				$pg_start,
				99,
				array('urlname' => 'admin_pagemanager_format_listing'),
				'<div class="tblholder" style="height: 300px; clip: rect(0px, auto, auto, 0px); overflow: auto;">
				<table border="0" cellspacing="1" cellpadding="4">',
				'  </table>
 				</div>'
			);
		echo $html;
	}
	
}

?>