<?php

/*
 * odl_functions.php
 * wordpress plugin open directory project
 * @author Mohammad Forgani
 * @copyright Copyright 2008, Oh Jung-Su
 * @version 1.0
 * @link http://www.forgani.com
*/

if (!$_SESSION) session_start();
require(ABSPATH . ODLSMARTY . '/Smarty.class.php');

class ODLTemplate extends Smarty { 
	function ODLTemplate($cache = true, $cache_lifetime = 0){
		global $smarty_template_dir, $smarty_compile_dir, $smarty_cache_dir, $smarty_config_dir;
		$this->Smarty();
		$this->template_dir = $smarty_template_dir;
		$this->compile_dir = $smarty_compile_dir;
		$this->config_dir = $smarty_config_dir;
		$this->cache_dir = $smarty_cache_dir;
		$this->caching = $cache;
		$this->cache_lifetime = $cache_lifetime;
	}
}

function odlinksget_wp_mainversion(){
	global $odlinkswp_mainversion;
	if ($odlinkswp_mainversion==false){
		odlinksget_namefield();
	}
	return $odlinkswp_mainversion;
}

function odlinksget_pageinfo(){
	global $wpdb, $odlinkswp_pageinfo, $table_prefix;

	if ($odlinkswp_pageinfo==false){
		$odlinkswp_pageinfo = $wpdb->get_row("SELECT * FROM {$table_prefix}posts WHERE post_title = '[[ODLINKS]]'", ARRAY_A);
	}
	return $odlinkswp_pageinfo;
}

function odlinkscreate_page(){
	global $wpdb, $table_prefix, $wp_version;
	$dt = date("Y-m-d");
	$wpdb->query("INSERT INTO {$table_prefix}posts (post_author, post_date, post_date_gmt, post_content, post_title, post_category, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_content_filtered, post_parent, guid, menu_order, post_type) VALUES ('1', '$dt', '$dt', '[[ODLINKS]]', '[[ODLINKS]]', '0', '[[ODLINKS]]', 'publish', 'closed', 'closed', '', 'odlinks', '', '', '$dt', '$dt', '[[ODLINKS]]', '0', '', '0', 'page')");
	return $wpdb->get_row("SELECT * FROM {$table_prefix}posts WHERE post_title = '[[ODLINKS]]'", ARRAY_A);
}

function odlinks_admin_page(){
	global $odlinksadmin_links, $odlinks_name, $odlinksadmin_page_name, $odlinksuser_level;
	add_menu_page($odlinksadmin_page_name,$odlinksadmin_page_name,$odlinksuser_level,__FILE__,'process_odlinkssettings','../wp-content/plugins/odlinks/images/odl.gif');
	for ($i=0; $i<count($odlinksadmin_links); $i++){
		$tlink = $odlinksadmin_links[$i];
		add_submenu_page(__FILE__,$tlink['name'],$tlink['name'],$odlinksuser_level,$tlink['arg'],$tlink['prg']);
	}

	add_management_page($odlinksadmin_page_name, $odlinksadmin_page_name, $odlinksuser_level, $odlinks_name, 'odlinksadmin_page'); 
}

function odlinksrewrite_rules_wp($wp_rewrite){
	global $wp_rewrite;
	$odlinkssettings = get_option('odlinksdata');
	$odlinksslug = $odlinkssettings['odlinksslug'];
	$odlinksrules = array(
	$odlinksslug.'/([^/\(\)]*)/?([^/\(\)]*)/?([^/\(\)]*)/?' => '/'.$odlinksslug.'/index.php?pagename='.$odlinksslug.'&_action=$matches[1]&id=$matches[2]&parent=$matches[3]');
	$wp_rewrite->rules = $odlinksrules + $wp_rewrite->rules;
}

function odlinksquery_vars($vars){
   $vars[] = '_action';
   $vars[] = 'id';
   $vars[] = 'orderby';
   $vars[] = 'who';
   return $vars;
}

function odlinks_excerpt_text($length, $text){
	$text = strip_tags(odlinkscreate_post_html($text));
	if(strlen($text)>$length){
		$ret_strpos = strpos($text, ' ', $length);
		$ret = substr($text, 0, $ret_strpos)." ...";
	}else{
		$ret = $text;
	}
	return $ret;
}

function odlinkspage_handle_title($title){
	global $odl_breadcrumbs;
	if ($odl_breadcrumbs==""){
		$sidebar = 0;
		$odl_breadcrumbs = odlinksget_breadcrumbs($sidebar);
	}
	return str_replace("[[ODLINKS]]", $odl_breadcrumbs, $title);
}

function odlinkspage_handle_pagetitle($title){
	global $odl_pagetitle;
	return str_replace("[[ODLINKS]]", "ODLinks  &raquo; ", $title);
}

function odlinkspage_handle_content($content){
	if (eregi("\[\[ODLINKS\]\]", $content)){
		odlinksprocess();
		return "";
	} else {
		return $content;
	}
}

function odlinkspage_handle_titlechange($title){
	global $odl_breadcrumbs;
	$sidebar = 0;
	$odl_breadcrumbs = odlinksget_breadcrumbs($sidebar);
	$odlinkssettings = get_option('odlinksdata');
	$title = str_replace($odl_breadcrumbs, $odlinkssettings["page_link_title"], $title);
	$title = str_replace("[[ODLINKS]]", $odlinkssettings["page_link_title"], $title);
	return $title;
}

function odlinksget_breadcrumbs($sidebar){
	global $_GET, $_POST, $table_prefix, $wpdb, $_SERVER, $wp_version;
	$g__action = get_query_var("_action");
	$id = get_query_var("id");
	$parent = get_query_var("parent");
	if (basename($_SERVER['PHP_SELF'])!='index.php'){
		return "[[ODLINKS]]";
	} else {
		$odlinkssettings = get_option('odlinksdata');
		if (!$_POST['search_terms'] && $sidebar=0) {
			$g__action = "sidebar";
		} elseif (!$_POST['search_terms']) {
			$g__action = $g__action;
		} else {
			$g__action = "search";
		}
		switch ($g__action){
			default:
			case "index":
				return '<strong class="odl_breadcrumb">'.$odlinkssettings['page_link_title'].'</strong>';
			break;
		}
	}
}

function odlinkscreate_link($action, $vars){
	global $wpdb, $table_prefix, $wp_rewrite;
	$pageinfo = odlinksget_pageinfo();
	$odlinkssettings = get_option('odlinksdata');
	$rewrite = ($wp_rewrite->get_page_permastruct()=="")?false:true;
	$odl_vars_name = $vars["name"];
	$odl_vars_name = preg_replace('/[^A-Za-z0-9\s\.]/', "", $odl_vars_name);
	$odl_vars_name = preg_replace('/\s/', '-', $odl_vars_name);
	$odl_vars_name = preg_replace('/\./', '-', $odl_vars_name);

	$name = trim($vars["name"]);
	switch ($action){
		case "index":
			return ($rewrite)?"<a href=\"".get_bloginfo('url')."/".$pageinfo["post_name"]."/".$vars["parent"]."/\">".$name."</a>":"<a href=\"".get_bloginfo('url')."/?page_id=".$pageinfo["ID"]."&amp;_action=index\">".$name."</a>";
		break;
		case "category":
			return ($rewrite)?"<a href=\"".get_bloginfo('url')."/".$pageinfo["post_name"]."/main/".$vars["id"]."\">".$name."</a>":"<a href=\"".get_bloginfo('url')."/?page_id=".$pageinfo["ID"]."&amp;_action=main&amp;id=".$vars["id"]."&amp;parent=".$vars['parent']."\">".$name."</a>";
		break;
		case "postlink":
			return ($rewrite)?"<a 
			href=\"".get_bloginfo('url')."/".$pageinfo["post_name"]."/postlink/".$vars['id']."/".$vars['parent']."\">".$name."</a>":"<a href=\"".get_bloginfo('url')."/?page_id=".$pageinfo["ID"]."&amp;_action=postlink&amp;id=".$vars["id"]."&amp;parent=".$vars['parent'] ."\">".$name."</a>";
		break;

		case "searchlink":
			return ($rewrite)?"<a href=\"".get_bloginfo('url')."/".$pageinfo["post_name"]."/searchlink/"."\">".$name."</a>":"<a href=\"".get_bloginfo('url')."/?page_id=".$pageinfo["ID"]."&amp;_action=searchlink" ."\">".$name."</a>";
		break;

		case "searchform":
			return ($rewrite)?get_bloginfo('wpurl')."/".$pageinfo["post_name"]."/searchlink/":get_bloginfo('wpurl')."/?page_id=".$pageinfo["ID"]."&_action=searchlink";
		break;

		case "sendlink":
			return ($rewrite)?"<a style=\"color:green\"  href=\"".get_bloginfo('url')."/".$pageinfo["post_name"]."/sendlink/".$vars['id']."\">".$name."</a>":"<a style=\"color:green\"  href=\"".get_bloginfo('url')."/?page_id=".$pageinfo["ID"]."&amp;_action=sendlink&amp;id=".$vars["id"]."\">".$name."</a>";
		break;

		case "sendform":
			return ($rewrite)?get_bloginfo('wpurl')."/".$pageinfo["post_name"]."/sendlink/":get_bloginfo('wpurl')."/?page_id=".$pageinfo["ID"]."&_action=sendlink";
		break;
	}
}


function odlinksprocess(){
	global $_GET, $_POST, $table_prefix, $wpdb, $wp_version;

	
	$action = get_query_var("_action");
	$odlinkssettings = get_option('odlinksdata');
	switch ($action){
		default:
		case "main":
			odlinksdisplay_index($msg); 
		break;

		case "searchlink":
			odlinksdisplay_search();
		break;

		case "postlink":
			odlinkspost_link($confirm);
		break;

		case "sendlink":
			odlinkssend_link($confirm);
		break;

		case "install";
			echo "Please install ODLinks by saving the Settings in the ODLinks Admin area.";
		break;
	}
}

function odlinks_footer($tpl){
	$odlinkssettings = get_option('odlinksdata');
	if ($odlinkssettings['odlinksshow_credits']=='y'){
		$tpl->assign('odlinksshow_credits', str_replace("[VERSION]", $odlinkssettings['odlinksversion'], stripslashes($odlinkssettings['odlinks_credit_line'])));
	}
}


?>