SKIN.php

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<?php
/*
 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
 * Copyright (C) 2002-2007 The Nucleus Group
 *
 * 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 2
 * of the License, or (at your option) any later version.
 * (see nucleus/documentation/index.html#license for more info)
 */
if ( !function_exists('requestVar') ) exit;
require_once dirname(__FILE__) . '/ACTIONS.php';

class SKIN {

        // after creating a SKIN object, evaluates to true when the skin exists
        var $isValid;

        // skin characteristics. Use the getXXX methods rather than accessing directly
        var $id;
        var $description;
        var $contentType;
        var $includeMode;               // either 'normal' or 'skindir'
        var $includePrefix;
        var $name;

        function SKIN($id) {
                $this->id = intval($id);

                // read skin name/description/content type
                $res = sql_query('SELECT * FROM '.sql_table('skin_desc').' WHERE sdnumber=' . $this->id);
                $obj = mysql_fetch_object($res);
                $this->isValid = (mysql_num_rows($res) > 0);
                if (!$this->isValid)
                        return;

                $this->name = $obj->sdname;
                $this->description = $obj->sddesc;
                $this->contentType = $obj->sdtype;
                $this->includeMode = $obj->sdincmode;
                $this->includePrefix = $obj->sdincpref;

        }

        function getID() {                              return $this->id; }
        function getName() {                    return $this->name; }
        function getDescription() {     return $this->description; }
        function getContentType() {     return $this->contentType; }
        function getIncludeMode() {     return $this->includeMode; }
        function getIncludePrefix() {   return $this->includePrefix; }

        function exists($name) {
                return quickQuery('select count(*) as result FROM '.sql_table('skin_desc').' WHERE sdname="'.addslashes($name).'"') > 0;
        }

        function existsID($id) {
                return quickQuery('select COUNT(*) as result FROM '.sql_table('skin_desc').' WHERE sdnumber='.intval($id)) > 0;
        }

        function createFromName($name) {
                return new SKIN(SKIN::getIdFromName($name));
        }

        function getIdFromName($name) {
                $query =  'SELECT sdnumber'
                           . ' FROM '.sql_table('skin_desc')
                           . ' WHERE sdname="'.addslashes($name).'"';
                $res = sql_query($query);
                $obj = mysql_fetch_object($res);
                return $obj->sdnumber;
        }

        function getNameFromId($id) {
                return quickQuery('SELECT sdname as result FROM '.sql_table('skin_desc').' WHERE sdnumber=' . intval($id));
        }

        function createNew($name, $desc, $type = 'text/html', $includeMode = 'normal', $includePrefix = '') {
                global $manager;

                $manager->notify(
                        'PreAddSkin',
                        array(
                                'name' => &$name,
                                'description' => &$desc,
                                'type' => &$type,
                                'includeMode' => &$includeMode,
                                'includePrefix' => &$includePrefix
                        )
                );

                sql_query('INSERT INTO '.sql_table('skin_desc')." (sdname, sddesc, sdtype, sdincmode, sdincpref) VALUES ('" . addslashes($name) . "','" . addslashes($desc) . "','".addslashes($type)."','".addslashes($includeMode)."','".addslashes($includePrefix)."')");
                $newid = mysql_insert_id();

                $manager->notify(
                        'PostAddSkin',
                        array(
                                'skinid' => $newid,
                                'name' => $name,
                                'description' => $desc,
                                'type' => $type,
                                'includeMode' => $includeMode,
                                'includePrefix' => $includePrefix
                        )
                );

                return $newid;
        }

        function parse($type) {
                global $manager, $CONF;

                $manager->notify('InitSkinParse',array('skin' => &$this, 'type' => $type));

                // set output type
                sendContentType($this->getContentType(), 'skin', _CHARSET);

                // set skin name as global var (so plugins can access it)
                global $currentSkinName;
                $currentSkinName = $this->getName();

                $contents = $this->getContent($type);

                if (!$contents) {
                        // use base skin if this skin does not have contents
                        $defskin =& new SKIN($CONF['BaseSkin']);
                        $contents = $defskin->getContent($type);
                        if (!$contents) {
                                echo _ERROR_SKIN;
                                return;
                        }
                }

                $actions = $this->getAllowedActionsForType($type);

                $manager->notify('PreSkinParse',array('skin' => &$this, 'type' => $type, 'contents' => &$contents));

                // set IncludeMode properties of parser
                PARSER::setProperty('IncludeMode',$this->getIncludeMode());
                PARSER::setProperty('IncludePrefix',$this->getIncludePrefix());

                $handler =& new ACTIONS($type, $this);
                $parser =& new PARSER($actions, $handler);
                $handler->setParser($parser);
                $handler->setSkin($this);
                $parser->parse($contents);

                $manager->notify('PostSkinParse',array('skin' => &$this, 'type' => $type));


        }

        function getContent($type) {
                $query = 'SELECT scontent FROM '.sql_table('skin')." WHERE sdesc=$this->id and stype='". addslashes($type) ."'";
                $res = sql_query($query);

                if (mysql_num_rows($res) == 0)
                        return '';
                else
                        return mysql_result($res, 0, 0);
        }

        function update($type, $content) {
                $skinid = $this->id;

                // delete old thingie
                sql_query('DELETE FROM '.sql_table('skin')." WHERE stype='".addslashes($type)."' and sdesc=" . intval($skinid));

                // write new thingie
                if ($content) {
                        sql_query('INSERT INTO '.sql_table('skin')." SET scontent='" . addslashes($content) . "', stype='" . addslashes($type) . "', sdesc=" . intval($skinid));
                }
        }

        function deleteAllParts() {
                sql_query('DELETE FROM '.sql_table('skin').' WHERE sdesc='.$this->getID());
        }

        function updateGeneralInfo($name, $desc, $type = 'text/html', $includeMode = 'normal', $includePrefix = '') {
                $query =  'UPDATE '.sql_table('skin_desc').' SET'
                           . " sdname='" . addslashes($name) . "',"
                           . " sddesc='" . addslashes($desc) . "',"
                           . " sdtype='" . addslashes($type) . "',"
                           . " sdincmode='" . addslashes($includeMode) . "',"
                           . " sdincpref='" . addslashes($includePrefix) . "'"
                           . " WHERE sdnumber=" . $this->getID();
                sql_query($query);
        }

        function getFriendlyNames() {
                $skintypes = array(
                        'index' => _SKIN_PART_MAIN,
                        'item' => _SKIN_PART_ITEM,
                        'archivelist' => _SKIN_PART_ALIST,
                        'archive' => _SKIN_PART_ARCHIVE,
                        'search' => _SKIN_PART_SEARCH,
                        'error' => _SKIN_PART_ERROR,
                        'member' => _SKIN_PART_MEMBER,
                        'imagepopup' => _SKIN_PART_POPUP
                );

                $query = "SELECT stype FROM " . sql_table('skin') . " WHERE stype NOT IN ('index', 'item', 'error', 'search', 'archive', 'archivelist', 'imagepopup', 'member')";
                $res = sql_query($query);
                while ($row = mysql_fetch_array($res)) {
                        $skintypes[strtolower($row['stype'])] = ucfirst($row['stype']);
                }

                return $skintypes;
        }

        function getAllowedActionsForType($type) {
                global $blogid;

                // some actions that can be performed at any time, from anywhere
                $defaultActions = array('otherblog',
                                                                'plugin',
                                                                'version',
                                                                'nucleusbutton',
                                                                'include',
                                                                'phpinclude',
                                                                'parsedinclude',
                                                                'loginform',
                                                                'sitevar',
                                                                'otherarchivelist',
                                                                'otherarchivedaylist',
                                                                'self',
                                                                'adminurl',
                                                                'todaylink',
                                                                'archivelink',
                                                                'member',
                                                                'ifcat',                                        // deprecated (Nucleus v2.0)
                                                                'category',
                                                                'searchform',
                                                                'referer',
                                                                'skinname',
                                                                'skinfile',
                                                                'set',
                                                                'if',
                                                                'else',
                                                                'endif',
                                                                'elseif',
                                                                'ifnot',
                                                                'elseifnot',
                                                                'charset',
                                                                'bloglist'
                                                                );

                // extra actions specific for a certain skin type
                $extraActions = array();

                switch ($type) {
                        case 'index':
                                $extraActions = array('blog',
                                                                'blogsetting',
                                                                'preview',
                                                                'additemform',
                                                                'categorylist',
                                                                'archivelist',
                                                                'archivedaylist',
                                                                'nextlink',
                                                                'prevlink'
                                                                );
                                break;
                        case 'archive':
                                $extraActions = array('blog',
                                                                'archive',
                                                                'otherarchive',
                                                                'categorylist',
                                                                'archivelist',
                                                                'archivedaylist',
                                                                'blogsetting',
                                                                'archivedate',
                                                                'nextarchive',
                                                                'prevarchive',
                                                                'nextlink',
                                                                'prevlink',
                                                                'archivetype'
                                );
                                break;
                        case 'archivelist':
                                $extraActions = array('blog',
                                                                'archivelist',
                                                                'archivedaylist',
                                                                'categorylist',
                                                                'blogsetting',
                                                           );
                                break;
                        case 'search':
                                $extraActions = array('blog',
                                                                'archivelist',
                                                                'archivedaylist',
                                                                'categorylist',
                                                                'searchresults',
                                                                'othersearchresults',
                                                                'blogsetting',
                                                                'query',
                                                                'nextlink',
                                                                'prevlink'
                                                                );
                                break;
                        case 'imagepopup':
                                $extraActions = array('image',
                                                                'imagetext',                            // deprecated (Nucleus v2.0)
                                                                );
                                break;
                        case 'member':
                                $extraActions = array(
                                                                'membermailform',
                                                                'blogsetting',
                                                                'nucleusbutton'
                                );
                                break;
                        case 'item':
                                $extraActions = array('blog',
                                                                'item',
                                                                'comments',
                                                                'commentform',
                                                                'vars',
                                                                'blogsetting',
                                                                'nextitem',
                                                                'previtem',
                                                                'nextlink',
                                                                'prevlink',
                                                                'nextitemtitle',
                                                                'previtemtitle',
                                                                'categorylist',
                                                                'archivelist',
                                                                'archivedaylist',
                                                                'itemtitle',
                                                                'itemid',
                                                                'itemlink',
                                                                );
                                break;
                        case 'error':
                                $extraActions = array(
                                                                'errormessage'
                                );
                                break;
                        default:
                                if ($blogid && $blogid > 0) {
                                        $extraActions = array(
                                                'blog',
                                                'blogsetting',
                                                'preview',
                                                'additemform',
                                                'categorylist',
                                                'archivelist',
                                                'archivedaylist',
                                                'nextlink',
                                                'archivelist',
                                                'archivedaylist',
                                                'prevlink',
                                                'membermailform',
                                                'nucleusbutton'
                                        );
                                }
                                break;
                }

                return array_merge($defaultActions, $extraActions);
        }

}

?>

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