3 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
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4 * Copyright (C) 2002-2009 The Nucleus Group
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6 * This program is free software; you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License
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8 * as published by the Free Software Foundation; either version 2
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9 * of the License, or (at your option) any later version.
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10 * (see nucleus/documentation/index.html#license for more info)
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13 * Class representing a skin
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15 * @license http://nucleuscms.org/license.txt GNU General Public License
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16 * @copyright Copyright (C) 2002-2009 The Nucleus Group
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17 * @version $Id: SKIN.php 1816 2012-05-03 01:40:10Z sakamocchi $
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20 if ( !function_exists('requestVar') )
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27 // after creating a SKIN object, evaluates to true when the skin exists
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30 // skin characteristics. Use the getXXX methods rather than accessing directly
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32 private $description;
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33 private $contentType;
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34 private $includeMode; // either 'normal' or 'skindir'
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35 private $includePrefix;
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39 private $action_class;
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40 private $event_identifier;
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43 * Skin::__construct()
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44 * Constructor for a new SKIN object
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46 * @param integer $id id of the skin
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47 * @param string $action_class name of class extended from BaseActions
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48 * @param string $event_identifier event identifier. for example, InitAdminSkinParse if AdminSkin is used
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51 public function __construct($id, $action_class='Actions', $event_identifier='Skin')
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55 $this->id = (integer) $id;
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58 * NOTE: include needed action class
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60 if ( $action_class != 'Actions' )
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62 if ( !class_exists($action_class, FALSE)
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63 && (!file_exists("{$DIR_LIBS}{$action_class}.php")
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64 || !include("{$DIR_LIBS}{$action_class}.php")) )
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71 if ( !class_exists('Actions', FALSE)
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72 && (!file_exists("{$DIR_LIBS}ACTIONS.php")
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73 || !include("{$DIR_LIBS}ACTIONS.php")) )
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79 $this->action_class = $action_class;
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80 $this->event_identifier = $event_identifier;
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82 // read skin name/description/content type
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83 $query = "SELECT * FROM %s WHERE sdnumber=%d;";
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84 $query = sprintf($query, sql_table('skin_desc'), $this->id);
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85 $res = DB::getRow($query);
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87 $this->valid = !empty($res);
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89 { $this->name = $res['sdname'];
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90 $this->description = $res['sddesc'];
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91 $this->contentType = $res['sdtype'];
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92 $this->includeMode = $res['sdincmode'];
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93 $this->includePrefix = $res['sdincpref'];
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105 * @return integer id for this skin instance
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107 public function getID()
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109 return (integer) $this->id;
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118 public function isValid()
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120 return (boolean) $this->valid;
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128 * @return string name of this skin instance
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130 public function getName()
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132 return (string) $this->name;
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136 * Skin::getDescription()
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137 * Get SKIN description
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140 * @return string description of this skin instance
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142 public function getDescription()
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144 return (string) $this->description;
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148 * Skin::getContentType()
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149 * Get SKIN content type
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150 * e.g. text/xml, text/html, application/atom+xml
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153 * @return string name of this skin instance
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155 public function getContentType()
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157 return (string) $this->contentType;
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161 * Skin::getIncludeMode()
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162 * Get include mode of the SKIN
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164 * Returns either 'normal' or 'skindir':
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165 * 'normal': if a all data of the skin can be found in the databse
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166 * 'skindir': if the skin has data in the it's skin driectory
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169 * @return string normal/skindir
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171 public function getIncludeMode()
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173 return (string) $this->includeMode;
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177 * Skin::getIncludePrefix()
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178 * Get include prefix of the SKIN
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180 * Get name of the subdirectory (with trailing slash) where
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181 * the files of the current skin can be found (e.g. 'default/')
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184 * @return string include prefix of this skin instance
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186 public function getIncludePrefix()
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188 return (string) $this->includePrefix;
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193 * Checks if a skin with a given shortname exists
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196 * @param string $name Skin short name
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197 * @return integer number of skins with the given ID
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199 static public function exists($name)
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201 $query = "SELECT COUNT(*) AS result FROM %s WHERE sdname=%s;";
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202 $query = sprintf($query, sql_table('skin_desc'), DB::quoteValue($name));
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203 return (DB::getValue($query) > 0);
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208 * Checks if a skin with a given ID exists
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211 * @param string $id Skin ID
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212 * @return integer number of skins with the given ID
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214 static public function existsID($id)
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216 $query = "SELECT COUNT(*) AS result FROM %s WHERE sdnumber=%d;";
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217 $query = sprintf($query, sql_table('skin_desc'), (integer) $id);
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218 return (DB::getValue($query) > 0);
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222 * Skin::createFromName()
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223 * Returns a skin given its shortname
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226 * @param string $name Skin shortname
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227 * @return object instance of Skin class
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229 static public function createFromName($name)
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231 return new SKIN(SKIN::getIdFromName($name));
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235 * Skin::getIdFromName()
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236 * Returns a skin ID given its shortname
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239 * @param string $name Skin shortname
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240 * @return integer Skin ID
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242 static public function getIdFromName($name)
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244 $query = "SELECT sdnumber FROM %s WHERE sdname=%s;";
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245 $query = sprintf($query, sql_table('skin_desc'), DB::quoteValue($name));
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246 return DB::getValue($query);
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250 * Skin::getNameFromId()
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251 * Returns a skin shortname given its ID
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254 * @param string $name
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255 * @return string Skin short name
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257 static public function getNameFromId($id)
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259 $query = "SELECT sdname AS result FROM %s WHERE sdnumber=%d;";
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260 $query = sprintf($query, sql_table('skin_desc'), (integer) $id);
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261 return DB::getValue($query);
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265 * SKIN::createNew()
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266 * Creates a new skin, with the given characteristics.
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269 * @param String $name value for nucleus_skin.sdname
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270 * @param String $desc value for nucleus_skin.sddesc
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271 * @param String $type value for nucleus_skin.sdtype
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272 * @param String $includeMode value for nucleus_skin.sdinclude
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273 * @param String $includePrefix value for nucleus_skin.sdincpref
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274 * @return Integer ID for just inserted record
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276 public function createNew($name, $desc, $type = 'text/html', $includeMode = 'normal', $includePrefix = '')
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282 'description' => &$desc,
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284 'includeMode' => &$includeMode,
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285 'includePrefix' => &$includePrefix
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287 $manager->notify('PreAddSkin', $data);
289 $query = "INSERT INTO %s (sdname, sddesc, sdtype, sdincmode, sdincpref) VALUES (%s, %s, %s, %s, %s);";
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290 $sdname = DB::quoteValue($name);
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291 $sddesc = DB::quoteValue($desc);
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292 $sdtype = DB::quoteValue($type);
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293 $sdincmode = DB::quoteValue($includeMode);
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294 $sdincpref = DB::quoteValue($includePrefix);
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295 $query = sprintf($query, sql_table('skin_desc'), $sdname, $sddesc, $sdtype, $sdincmode, $sdincpref);
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296 DB::execute($query);
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297 $newid = DB::getInsertId();
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300 'skinid' => $newid,
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302 'description' => $desc,
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304 'includeMode' => $includeMode,
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305 'includePrefix' => $includePrefix
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307 $manager->notify('PostAddSkin', $data);
316 * @param string $type
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317 * @param string $path path to file if using fileparser
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320 public function parse($type, $path='')
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322 global $currentSkinName, $manager, $CONF, $DIR_NUCLEUS;
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328 $manager->notify("Init{$this->event_identifier}Parse", $data);
330 // include skin locale file for <%text%> tag if useable
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331 $this->includeTranslation();
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334 sendContentType($this->getContentType(), 'skin');
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336 /* FIX: should be obsoleted */
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337 $currentSkinName = $this->getName();
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339 // retrieve contents
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341 if ( $type != 'fileparse' )
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343 $contents = $this->getContentFromDB($type);
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345 else if ( $path !== '' && i18n::strpos(realpath($path), realpath("$DIR_NUCLEUS/../")) == 0 )
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347 $contents = $this->getContentFromFile($path);
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349 // use base skin if this skin does not have contents
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350 if ( $contents === FALSE )
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352 $defskin = new SKIN($CONF['BaseSkin']);
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353 $contents = $defskin->getContentFromDB($type);
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364 'contents' => &$contents
366 $manager->notify("Pre{$this->event_identifier}Parse", $data);
368 // set IncludeMode properties of parser
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369 Parser::setProperty('IncludeMode', $this->getIncludeMode());
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370 Parser::setProperty('IncludePrefix', $this->getIncludePrefix());
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372 // call action handler
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373 $action_class = $this->action_class;
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374 $handler = new $action_class($type);
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375 $handler->setSkin($this);
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377 // register action handler to parser
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378 $parser = new Parser($handler);
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379 $parser->parse($contents);
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385 $manager->notify("Post{$this->event_identifier}Parse", $data);
391 * Skin::getContentFromDB()
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393 * @param string $skintype skin type
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394 * @return string content for the skin type
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396 public function getContentFromDB($skintype)
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398 $query = "SELECT scontent FROM %s WHERE sdesc=%d and stype=%s;";
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399 $query = sprintf($query, sql_table('skin'), (integer) $this->id, DB::quoteValue($skintype));
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400 $res = DB::getValue($query);
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402 return $res ? $res : '';
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406 * Skin::getContentFromFile()
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408 * @param string $fullpath fullpath to the file to parse
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409 * @return mixed file contents or FALSE
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411 public function getContentFromFile($fullpath)
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413 $fsize = filesize($fullpath);
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419 $fd = fopen ($fullpath, 'r');
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420 if ( $fd === FALSE )
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425 $contents = fread ($fd, $fsize);
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426 if ( $contents === FALSE )
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437 * Updates the contents for one part of the skin in the database
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439 * @param string $type type of the skin part (e.g. index, item, search ...)
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440 * @param string $content new content for this skin part
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444 public function update($type, $content)
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448 $query = "SELECT sdesc FROM %s WHERE stype=%s and sdesc=%d;";
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449 $query = sprintf($query, sql_table('skin'), DB::quoteValue($type), (integer) $this->id);
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450 $res = DB::getValue($query);
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452 $skintypeexists = !empty($res);
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453 $skintypevalue = ($content == true);
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455 if( $skintypevalue && $skintypeexists )
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458 'skinid' => $this->id,
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460 'content' => &$content
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463 // PreUpdateSkinPart event
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464 $manager->notify("PreUpdate{{$this->event_identifier}}Part", $data);
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466 else if( $skintypevalue && !$skintypeexists )
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469 'skinid' => $this->id,
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471 'content' => &$content
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474 $manager->notify("PreAdd{$this->event_identifier}Part", $data);
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476 else if( !$skintypevalue && $skintypeexists )
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479 'skinid' => $this->id,
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483 $manager->notify("PreDelete{$this->event_identifier}Part", $data);
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486 // delete old thingie
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487 $query = "DELETE FROM %s WHERE stype=%s and sdesc=%d";
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488 $query = sprintf($query, sql_table('skin'), DB::quoteValue($type), (integer) $this->id);
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489 DB::execute($query);
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491 // write new thingie
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494 $query = "INSERT INTO %s (scontent, stype, sdesc) VALUE (%s, %s, %d)";
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495 $query = sprintf($query, sql_table('skin'), DB::quoteValue($content), DB::quoteValue($type), (integer) $this->id);
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496 DB::execute($query);
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499 if( $skintypevalue && $skintypeexists )
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502 'skinid' => $this->id,
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504 'content' => &$content
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507 // PostUpdateSkinPart event
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508 $manager->notify("PostUpdate{$this->event_identifier}Part", $data);
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510 else if( $skintypevalue && (!$skintypeexists) )
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513 'skinid' => $this->id,
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515 'content' => &$content
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518 // PostAddSkinPart event
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519 $manager->notify("PostAdd{$this->event_identifier}Part", $data);
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521 else if( (!$skintypevalue) && $skintypeexists )
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524 'skinid' => $this->id,
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528 $manager->notify("PostDelete{$this->event_identifier}Part", $data);
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534 * Skin::deleteAllParts()
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535 * Deletes all skin parts from the database
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540 public function deleteAllParts()
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542 $query = "DELETE FROM %s WHERE sdesc=%d;";
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543 $query = sprintf($query, sql_table('skin'), (integer) $this->id);
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544 DB::execute($query);
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548 * Skin::updateGeneralInfo()
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549 * Updates the general information about the skin
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551 * @param string $name name of the skin
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552 * @param string $desc description of the skin
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553 * @param string $type type of the skin
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554 * @param string $includeMode include mode of the skin
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555 * @param string $includePrefix include prefix of the skin
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558 public function updateGeneralInfo($name, $desc, $type = 'text/html', $includeMode = 'normal', $includePrefix = '')
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560 $name = DB::quoteValue($name);
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561 $desc = DB::quoteValue($desc);
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562 $type = DB::quoteValue($type);
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563 $includeMode = DB::quoteValue($includeMode);
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564 $includePrefix = DB::quoteValue($includePrefix);
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566 $query ="UPDATE %s SET sdname=%s, sddesc=%s, sdtype=%s, sdincmode=%s, sdincpref=%s WHERE sdnumber=%d";
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567 $query = sprintf($query, sql_table('skin_desc'), $name, $desc, $type, $includeMode, $includePrefix, (integer) $this->id);
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569 DB::execute($query);
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574 * Skin::includeTranslation()
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579 private function includeTranslation()
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583 $locale = i18n::get_current_locale() . '.' . i18n::get_current_charset();
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585 if( $this->includeMode == "normal" )
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587 $filename = "./locales/{$locale}.php";
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589 else if( $this->includeMode == "skindir" )
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591 if ( $this->includePrefix == '' )
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593 $filename = "{$DIR_SKINS}locales/{$locale}.php";
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597 $filename = "{$DIR_SKINS}{$this->includePrefix}locales/{$locale}.php";
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605 if ( !file_exists($filename) )
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610 include_once($filename);
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616 * Skin::getDefaultTypes()
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618 * @param string void
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619 * @return array default skin types
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621 public function getDefaultTypes()
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623 return call_user_func(array($this->action_class, 'getAvailableSkinTypes'));
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627 * Skin::getAvailableTypes()
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629 * @param string void
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630 * @return array registered skin types
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632 public function getAvailableTypes()
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634 $default_skintypes = $this->getDefaultTypes();
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635 $query = "SELECT stype FROM %s WHERE sdesc=%d;";
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636 $query = sprintf($query, sql_table('skin'), (integer) $this->id);
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638 /* NOTE: force to put default types in the beginning */
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639 $in_default = array();
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640 $no_default = array();
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642 $res = DB::getResult($query);
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643 foreach ( $res as $row )
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645 if ( !array_key_exists($row['stype'], $default_skintypes) )
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647 $no_default[$row['stype']] = FALSE;
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651 $in_default[$row['stype']] = $default_skintypes[$row['stype']];
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655 return array_merge($in_default, $no_default);
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659 * Skin::getAllowedActionsForType()
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660 * Get the allowed actions for a skin type
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661 * returns an array with the allowed actions
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662 * @return array allowed action types
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663 * @param string $skintype type of the skin
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664 * @return array allowed action types
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666 public function getAllowedActionsForType($skintype)
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668 $handler = new $this->action_class($skintype);
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669 return $handler->getAvailableActions();
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