+<?php
+/***************************************************************
+* Copyright notice
+*
+* (c) 2010 Steffen Ritter <info@steffen-ritter.net>
+* All rights reserved
+*
+* This script is part of the TYPO3 project. The TYPO3 project 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.
+*
+* The GNU General Public License can be found at
+* http://www.gnu.org/copyleft/gpl.html.
+* A copy is found in the textfile GPL.txt and important notices to the license
+* from the author is found in LICENSE.txt distributed with these scripts.
+*
+*
+* This script 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 more details.
+*
+* This copyright notice MUST APPEAR in all copies of the script!
+***************************************************************/
+
+
+/**
+ * A class with an concrete implementation of t3lib_spriteManager_spriteIconGenerator.
+ * It is the standard / fallback handler of the spriteManager.
+ * This implementation won't generate sprites at all. It will just render css-definitions
+ * for all registered icons so that they may be used through t3lib_iconWorks::getSpriteIcon*
+ * Without the css classes generated here, icons of for example tca records would be empty.
+ *
+ * @author Steffen Ritter <info@steffen-ritter.net>
+ * @package TYPO3
+ * @subpackage t3lib
+ */
+class t3lib_spriteManager_simpleHandler implements t3lib_spriteManager_spriteIconGenerator {
+ /**
+ * all "registered" Icons available through sprite-api will cumuluated within
+ * @var array
+ */
+ protected $iconNames = array();
+
+ /**
+ * contains the content of the CSS file to write
+ * @var String
+ */
+ protected $styleSheetData = "/* Auto-Generated via t3lib_spriteManager_simpleHandler */\n";
+
+ /**
+ * css-template for each sprite-icon of an tca-record-symbol
+ * @var String
+ */
+ protected $styleSheetTemplateTca = '
+.t3-icon-###TABLE###-###TYPE### {
+ background-position: 0px 0px !important;
+ background-image: url(\'###IMAGE###\') !important;
+}
+ ';
+
+ /**
+ * css template for single Icons registered by extension authors
+ * @var String
+ */
+ protected $styleSheetTemplateExtIcons = '
+.t3-icon-###NAME### {
+ background-position: 0px 0px;
+ background-image: url(\'###IMAGE###\');
+}
+ ';
+
+ /**
+ * path to css file for generated styles
+ * @var String
+ */
+ protected $cssTcaFile = "";
+
+ /**
+ * constructor just init's the temp-file-name
+ * @return void
+ */
+ function __construct() {
+ // the fileName is prefixed with "z" since the concatenator orders files per name
+ $this->cssTcaFile = PATH_site . t3lib_spriteManager::$tempPath . 'zextensions.css';
+ }
+
+ /**
+ * Interface function. This will be called from the spriteManager to refresh
+ * all caches.
+ *
+ * @return void
+ */
+ public function generate() {
+ // generate Icons for all TCA tables
+ $this->buildTcaSpriteIcons();
+
+ // generate IconData for single Icons registered
+ $this->buildExtensionSpriteIcons();
+
+ // include registered Sprites
+ $this->loadRegisteredSprites();
+
+ // cache results in the CSS file
+ t3lib_div::writeFile($this->cssTcaFile, $this->styleSheetData);
+ }
+
+
+ /**
+ * This function builds an css class for every single icon registered via
+ * t3lib_spriteManager::addSingleIcons to use them via t3lib_iconWorks::getSpriteIcon
+ * In the simpleHandler the icon just will be added as css-background-image.
+ *
+ * @return void
+ */
+ protected function buildExtensionSpriteIcons() {
+ // backpath from the stylesheet file ($cssTcaFile) to typo3 dir
+ // in order to set the background-image URL paths correct
+ $iconPath = '../../' . TYPO3_mainDir;
+
+ foreach((array) $GLOBALS['TBE_STYLES']['spriteManager']['singleIcons'] as $iconName => $iconFile) {
+ $css = str_replace('###NAME###', str_replace('extensions-', '', $iconName), $this->styleSheetTemplateExtIcons);
+ $css = str_replace('###IMAGE###', t3lib_div::resolveBackPath($iconPath . $iconFile), $css);
+
+ $this->iconNames[] = $iconName;
+ $this->styleSheetData .= $css;
+ }
+ }
+
+ /**
+ * loads all StyleSheets Files registered through t3lib_spriteManager::addIconSprite
+ * in fact the stylesheet-files are copied to t3lib_spriteManager::tempPath where they automatically
+ * will be included from via template.php and t3lib_compressor.
+ *
+ * @return void
+ */
+ protected function loadRegisteredSprites() {
+ // saves which CSS Files are currently "allowed to be in place"
+ $allowedCssFilesinTempDir = array(basename($this->cssTcaFile));
+ // process every registeres file
+ foreach((array)$GLOBALS['TBE_STYLES']['spriteManager']['cssFiles'] as $file) {
+ $fileName = basename($file);
+ // file should be present
+ $allowedCssFilesinTempDir[] = $fileName;
+ // get-Cache Filename
+ $unique = md5($fileName . filemtime(PATH_site . $file) . filesize(PATH_site . $file));
+ $cacheFile = PATH_site . t3lib_spriteManager::$tempPath . $fileName . $unique . '.css';
+ if(!file_exists($cacheFile)) {
+ copy(PATH_site . $file, $cacheFile);
+ }
+ }
+ // get all .css files in dir
+ $cssFilesPresentInTempDir = t3lib_div::getFilesInDir(PATH_site . t3lib_spriteManager::$tempPath , '.css', 0);
+ // and delete old ones which are not needed anymore
+ $filesToDelete = array_diff($cssFilesPresentInTempDir, $allowedCssFilesinTempDir);
+ foreach ($filesToDelete as $file) {
+ unlink(PATH_site . t3lib_spriteManager::$tempPath . $file);
+ }
+ }
+
+ /**
+ * public-interface function: getter for iconNames
+ * will return the detected icon-names which may be used throug t3lib_iconWorks::getSpriteIcon
+ *
+ * @return array all generated and registred sprite-icon-names
+ */
+ public function getAvailableIconNames() {
+ return $this->iconNames;
+ }
+
+ /**
+ * this method creates SpriteIcon names for all tables in TCA (including their possible type-icons)
+ * where there is no "typeicon_classes" of this TCA table ctrl section (moved form t3lib_iconWorks)
+ *
+ * @return void
+ */
+ protected function buildTcaSpriteIcons() {
+ $tcaTables = array_keys($GLOBALS['TCA']);
+
+ // delete old tempFiles
+ @unlink($this->cssTcaFile);
+
+ // backpath from the stylesheet file ($cssTcaFile) to typo3 dir
+ // in order to set the background-image URL paths correct
+ $iconPath = '../../' . TYPO3_mainDir;
+
+ // path (relative from typo3 dir) for skin-Images
+ if (isset($GLOBALS['TBE_STYLES']['skinImgAutoCfg']['relDir'])) {
+ $skinPath = $GLOBALS['TBE_STYLES']['skinImgAutoCfg']['relDir'];
+ } else {
+ $skinPath = '';
+ }
+
+ // check every table in the TCA, if an icon is needed
+ foreach ($tcaTables as $tableName) {
+
+ // this method is only needed for TCA tables where
+ // typeicon_classes are not configured
+ if (!is_array($GLOBALS['TCA'][$tableName]['ctrl']['typeicon_classes'])) {
+ $tcaCtrl = $GLOBALS['TCA'][$tableName]['ctrl'];
+
+ $template = str_replace('###TABLE###', $tableName, $this->styleSheetTemplateTca);
+
+ // adding the default Icon (without types)
+ if (isset($tcaCtrl['iconfile'])) {
+ // in CSS wie need a path relative to the css file
+ // [TCA][ctrl][iconfile] defines icons without path info to reside in gfx/i/
+ if (strpos($tcaCtrl['iconfile'], '/') !== FALSE) {
+ $icon = $tcaCtrl['iconfile'];
+ } else {
+ $icon = $skinPath . 'gfx/i/' . $tcaCtrl['iconfile'];
+ }
+
+ $icon = t3lib_div::resolveBackPath($iconPath . $icon);
+
+ // saving default icon
+ $stylesString = str_replace('###TYPE###', 'default', $template);
+ $stylesString = str_replace('###IMAGE###', $icon, $stylesString);
+ $this->styleSheetData .= $stylesString;
+ $this->iconNames[] = 'tcarecords-' . $tableName . '-default';
+ }
+
+ // if records types are available, register them
+ if (isset($tcaCtrl['typeicon_column']) && is_array($tcaCtrl['typeicons'])) {
+ foreach ($tcaCtrl['typeicons'] as $type => $icon) {
+
+ // in CSS wie need a path relative to the css file
+ // [TCA][ctrl][iconfile] defines icons without path info to reside in gfx/i/
+ if (strpos($icon, '/') === FALSE) {
+ $icon = $skinPath . 'gfx/i/' . $icon;
+ }
+
+ $icon = t3lib_div::resolveBackPath($iconPath . $icon);
+ $stylesString = str_replace('###TYPE###', $type, $template);
+ $stylesString = str_replace('###IMAGE###', $icon, $stylesString);
+ // saving type icon
+ $this->styleSheetData .= $stylesString;
+ $this->iconNames[] = 'tcarecords-' . $tableName . '-' . $type;
+ }
+ }
+ }
+ }
+ }
+}
+
+?>