<?php
/*************************************************************************\
||=======================================================================||
||                                                                       ||
||  Display Module                                                       ||
||                                                                       ||
||  Written by: Alex Honeywell                                           ||
||    Website: http://www.seigousei.net                                  ||
||  Last Updated: 22/06/06                                               ||
||                                                                       ||
||=======================================================================||
\*************************************************************************/

// Changes since last major version
/* 1.2 */
# Added - showNav
# Added - customNav
# Added - assembleNav()
# Revised - assemble()
/* 1.1 */
# Revised - Language file support
# Added - Language file support
# Added - Returns Fatal Error if skin file requested does not exist
# Added - Can alternate between XML or PHP style skin files
# Added - getCSS() to retrieve and parse CSS files
# Added - getJS() to retrieve and parse JS files
# Added - Differentiate between the Admin center and normal page
# Fixed - Offline/Dev Modes
# Added - JUST_CONTENT mode

define( "display_VERSION", 1.2 );

class display
{
    var $raw = "";
    var $title = "";
    var $onload = "";
    var $skinDir = "";
    var $showNav = 1;
    var $output = array();
    var $customNav = "";
    var $nav = array( "", "", "" );
    var $skinTypes = array( "site", "admin" );
    
    function display( $skin )
    {
        global $bin;

        require_once LP ."skin_global.php";
        $this->global = new skin_global;
        
        if ( URL_TYPE == 3 )
            $skin = str_replace( "./", $_SERVER['DOCUMENT_ROOT'] ."/", $skin );
            
        $this->skinDir = ( IN_SITE == 2 ) ? "../admin/skin/" : $skin;
        
        if ( IN_SITE != 3 )
        {
            $this->loadSkin( "all" );
        
            if ( !file_exists( RP ."lang/". $bin->conf['language'] .".php" ) )
                return 1;
            require_once RP ."lang/". $bin->conf['language'] .".php";
            $bin->lang = array_merge_recursive( $bin->lang, ( IN_SITE == 2 ) ? $lang_adm : $lang );
        }
        
        $this->output['page'] = "";
        $this->output['top'] = "";
        $this->output['left'] = "";
        $this->output['content'] = "";
        $this->output['right'] = "";
        $this->output['debug'] = "";
    }
    
    function loadSkin( $skins )
    {
        global $bin, $db;
        
        $type = ( IN_SITE == 2 ) ? "admin" : "site";
        
        $skins = explode( ",", $skins );
        if ( !is_array( $skins ) )
            $skins = array( $skins );

        foreach ( $skins as $id => $name )
        {
            if ( empty( $name ) )
                continue;
            $file = $this->skinDir . $type ."_". $name .".". SKIN_FILE_TYPE;
            if ( file_exists( $file ) )
            {
                if ( SKIN_FILE_TYPE == "xml" )
                {
                    $db->xml->open( "name,vars,globals,precode,display", "section", $file );
                    $skinxml = $db->xml->data;
                    $skindata = "class ". $skinxml->items['ATTRS']['type'] ."_". 
                                $skinxml->items['ATTRS']['name'] ."\n{\n";
                    for ( $i = 0; $i < count( $skinxml->items )-1; $i++ ) 
                    {
                        if ( strstr( $skinxml->items[$i]['globals'], "$" ) )
                            $skinxml->items[$i]['globals'] = "\nglobal ". $skinxml->items[$i]['globals'].";";
                        $skindata .= "\nfunction ".$skinxml->items[$i]['name']."(".$skinxml->items[$i]['vars'].")\n{\n".$skinxml->items[$i]['globals']."\n\n".$skinxml->items[$i]['precode']."\nreturn <<<HTML\n".$skinxml->items[$i]['display']."\nHTML;\n }\n";
                    }
                    $skindata .= "\n}";
                    $skindata = str_replace( "&lt;", "<", str_replace( "&gt;", ">", $skindata ) );
                    
                    $name  = $skinxml->items['ATTRS']['name'];
                    $class = $skinxml->items['ATTRS']['type']. "_". $skinxml->items['ATTRS']['name'];
                    
                    eval( $skindata );
                   
                    if ( !empty( $name ) )
                        ( $type == "admin" ) ? $bin->skin->admin->$name = new $class : $bin->skin->$name = new $class;
                    $skindata = "";
                }
                else
                {
                    require_once $file;
                    $name  = $name;
                    $class = $type ."_". $name;
                    if ( !empty( $name ) )
                    {
                        $bin->skin->$name = new $class;
                    }
                }
            }
            else
                $bin->kill( $bin->lang['core']['noSkinFile'] ." (". $file .")" );
        }
    }
    
    function formatPage( &$html )
    {
        global $bin, $db;
        $execution = "<!--Execution Time: {!LoadTime!} seconds-->";
        #######################################
        # Please leave this alone. I spend my #
        # free time developing this program   #
        # and I'd like to be credited for it. #
        #######################################
        $html = str_replace( $execution, "<small><em>Powered By: <a href=\"http://www.seigousei.net\">{!program!}</a> v{!version!}</em><br />\n&copy; Seigousei.net 2006</small>\n". $execution, $html );
        $html = str_replace( "{!program!}", $bin->program, $html );
        $html = str_replace( "{!version!}", $bin->version, $html );
        $skinDir = ( URL_TYPE == 3 ) ? str_replace( "./", "/", SKINDIR ) : $this->skinDir;
        $html = str_replace( "{!images!}", $skinDir ."images/", $html );
        $html = str_replace( "{!ip!}", $_SERVER['REMOTE_ADDR'], $html );
        $html = str_replace( "{!LoadTime!}", $bin->loadtime, $html );
        $html = str_replace( "{!info!}", $this->assembleInfo(), $html );
        $queries = 0;
        if ( IN_SITE != 3 && $bin->conf['uses_database'] )
            foreach ( $db as $driver )
                if ( method_exists( $driver, "show_cache" ) )
                    $queries += $driver->count;
        $html = str_replace( "{!DBQueries!}", $queries, $html );
        
        return $html;
    }

    function showPage( $offline )
    {
        global $bin, $timer, $db;
        
        if ( $offline == 1 )
            $this->raw = $this->global->offline( $bin->conf['offline_message'] );
        elseif ( $offline == 2 )
            $this->raw = $this->global->offline( $bin->conf['dev_message'] );
        elseif ( $offline != 0 )
            $this->raw = "";
        else
        {
            if ( IN_SITE == 1  )
                $this->assemble();
            elseif ( IN_SITE == 2 )
                $this->assemble_admin();
            elseif ( IN_SITE == 3 )
                $this->raw = $this->output['content'];
        }
        $this->raw = $bin->func->stripslashes( $this->raw );
        
        $bin->loadtime = $timer->stop();
        
        $this->formatPage( $this->raw );
        
        print( $this->raw );
    }
    
    function getCSS( $file )
    {
        global $bin;
        header( "Content-type: text/css" );

        if ( preg_match( "#^(.+?)\.php$#i", $file ) )
        {
            require_once( $this->skinDir ."images/". $file );
        }
        else
        {
            $css = file_get_contents( $this->skinDir ."images/". $file );
            $css = str_replace( "{!images!}", $this->skinDir ."images/", $css );
            print $css;
        }
    }
    function getJS( $file )
    {
        global $bin;
        header( "Content-type: text/javascript" );

        if ( preg_match( "#^(.+?)\.php$#i", $file ) )
        {
            require_once( $this->skinDir ."images/". $file );
        }
        else
        {
            $js = file_get_contents( $this->skinDir ."images/". $file );
            $js = str_replace( "{!images!}", $this->skinDir ."images/", $js );
            print $js;
        }
    }

    function assemble()
    {
        global $bin;
        
        $title = $this->title;
        if ( !empty( $title ) )
            $title = " - ".$this->title;
        if ( $bin->conf['offline'] )
            $title .= " - OFFLINE";
        
        $this->output['content'] = $bin->skin->all->page_content( $this->output['content'] );
        
        if ( $this->showNav == 1 )
            $navlist = $this->assembleNav( $bin->skin->all->navigation() );
        elseif ( $this->showNav == 2 )
            $navlist = $this->assembleNav( $this->customNav );
        else
            $navlist = "";

        $content = $this->output['content'];
        if ( ADMIN )
            $content .= $bin->skin->all->admin();
        if ( defined( "JUST_CONTENT" ) )
            $this->raw = $bin->skin->all->justContent( $content );
        else
            $this->raw = $bin->skin->all->page( $title, $this->onload, $navlist, $content, ( IN_DEV && !empty( $this->output['debug'] ) ) ? $bin->skin->all->debug($this->output['debug']) : "" );
    }
    function assemble_admin()
    {
        global $bin, $db;
        
        $title = $this->title;
        if ( !empty( $title ) )
            $title = " - ".$this->title;
        if ( $bin->conf['offline'] )
            $title .= " - OFFLINE";
        
        $this->output['content'] = $bin->skin->all->page_content( $this->output['content'] );
        
        $content = $this->output['content'];
        if ( ADMIN )
            $content .= $bin->skin->all->admin();
        $this->raw .= $bin->skin->all->page( $title, $this->onload, $content, ( IN_DEV && !empty($this->output['debug']) ) ? $bin->skin->all->debug($this->output['debug']) : "" );      
    }
    
    function assembleNav( $theNav )
    {
        global $bin;
        
        $theNav = explode( "\n", trim( $theNav ) );
        $nav = "";
        
        foreach ( $theNav as $k => $v )
        {
            $thisnav = explode( "|~|", $v );
            if ( count( $thisnav ) == 2 )
                if ( isset( $bin->URL[0] ) && $thisnav[0] == $bin->URL[0] )
                    $nav .= trim( $bin->skin->all->nav_linkcurrent( array( $bin->func->formatURL( $thisnav[0] ), $thisnav[1] ) ) );
                else
                    $nav .= trim( $bin->skin->all->nav_link( array( $bin->func->formatURL( $thisnav[0] ), $thisnav[1] ) ) );
        }
        $navlist = trim( $bin->skin->all->nav( $nav ) );
        
        return $navlist;
    }

    function assembleInfo()
    {
        global $bin;
        
        if ( !isset( $bin->conf['validInfo'] ) || empty( $bin->conf['validInfo'] ) || !method_exists( $bin->skin->all, "info" ) )
            return "";
        
        $info = explode( ":||:", $bin->conf['validInfo'] );
        $img = "";
        $txt = "";
        foreach ( $info as $k => $data )
        {
            $data = explode( "|", $data );
            if ( count( $data ) == 2 )
                $txt .= $bin->skin->all->info( false, $data );
            elseif ( count( $data ) == 3 )
            {   
                if ( file_exists( "./images/" ) )
                {
                    $imgData = @getimagesize( "./images/". $data[1] );
                    $data[3] = $imgData[3];
                    $img .= $bin->skin->all->info( true, $data );
                }
            }
        }

        return $txt . $img;
    }
}

?>