Documentation TYPO3 par Ameos

class.t3lib_iconworks.php

00001 <?php
00002 /***************************************************************
00003 *  Copyright notice
00004 *
00005 *  (c) 1999-2005 Kasper Skaarhoj (kasperYYYY@typo3.com)
00006 *  All rights reserved
00007 *
00008 *  This script is part of the TYPO3 project. The TYPO3 project is
00009 *  free software; you can redistribute it and/or modify
00010 *  it under the terms of the GNU General Public License as published by
00011 *  the Free Software Foundation; either version 2 of the License, or
00012 *  (at your option) any later version.
00013 *
00014 *  The GNU General Public License can be found at
00015 *  http://www.gnu.org/copyleft/gpl.html.
00016 *  A copy is found in the textfile GPL.txt and important notices to the license
00017 *  from the author is found in LICENSE.txt distributed with these scripts.
00018 *
00019 *
00020 *  This script is distributed in the hope that it will be useful,
00021 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00022 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00023 *  GNU General Public License for more details.
00024 *
00025 *  This copyright notice MUST APPEAR in all copies of the script!
00026 ***************************************************************/
00085 class t3lib_iconWorks   {
00086 
00100         function getIconImage($table,$row=array(),$backPath,$params='',$shaded=FALSE)   {
00101                 $str='<img'.t3lib_iconWorks::skinImg($backPath,t3lib_iconWorks::getIcon($table,$row,$shaded),'width="18" height="16"').(trim($params)?' '.trim($params):'');
00102                 if (!stristr($str,'alt="'))     $str.=' alt=""';
00103                 $str.=' />';
00104                 return $str;
00105         }
00106 
00118         function getIcon($table,$row=array(),$shaded=FALSE)     {
00119                 global $TCA, $PAGES_TYPES, $ICON_TYPES;
00120 
00121                         // Flags:
00122                 $doNotGenerateIcon = $GLOBALS['TYPO3_CONF_VARS']['GFX']['noIconProc'];                          // If set, the icon will NOT be generated with GDlib. Rather the icon will be looked for as [iconfilename]_X.[extension]
00123                 $doNotRenderUserGroupNumber = TRUE;             // If set, then the usergroup number will NOT be printed unto the icon. NOTICE. the icon is generated only if a default icon for groups is not found... So effectively this is ineffective...
00124 
00125                         // First, find the icon file name. This can depend on configuration in TCA, field values and more:
00126                 if ($table=='pages')    {
00127                         if (!$iconfile = $PAGES_TYPES[$row['doktype']]['icon']) {
00128                                 $iconfile = $PAGES_TYPES['default']['icon'];
00129                         }
00130                         if ($row['module'] && $ICON_TYPES[$row['module']]['icon'])      {
00131                                 $iconfile = $ICON_TYPES[$row['module']]['icon'];
00132                         }
00133                 } else {
00134                         if (!$iconfile = $TCA[$table]['ctrl']['typeicons'][$row[$TCA[$table]['ctrl']['typeicon_column']]])      {
00135                                 $iconfile = (($TCA[$table]['ctrl']['iconfile']) ? $TCA[$table]['ctrl']['iconfile'] : $table.'.gif');
00136                         }
00137                 }
00138 
00139                         // Setting path of iconfile if not already set. Default is "gfx/i/"
00140                 if (!strstr($iconfile,'/'))     {
00141                         $iconfile = 'gfx/i/'.$iconfile;
00142                 }
00143 
00144                         // Setting the absolute path where the icon should be found as a file:
00145                 if (substr($iconfile,0,3)=='../')       {
00146                         $absfile=PATH_site.substr($iconfile,3);
00147                 } else {
00148                         $absfile=PATH_typo3.$iconfile;
00149                 }
00150 
00151                         // Initializing variables, all booleans except otherwise stated:
00152                 $hidden = FALSE;
00153                 $timing = FALSE;
00154                 $futuretiming = FALSE;
00155                 $user = FALSE;                          // In fact an integer value...
00156                 $deleted = FALSE;
00157                 $protectSection = FALSE;        // Set, if a page-record (only pages!) has the extend-to-subpages flag set.
00158                 $noIconFound = $row['_NO_ICON_FOUND'] ? TRUE : FALSE;
00159                 // + $shaded which is also boolean!
00160 
00161                         // Icon state based on "enableFields":
00162                 if (is_array($TCA[$table]['ctrl']['enablecolumns']))    {
00163                         $enCols = $TCA[$table]['ctrl']['enablecolumns'];
00164                                 // If "hidden" is enabled:
00165                         if ($enCols['disabled'])        { if ($row[$enCols['disabled']]) { $hidden = TRUE; }}
00166                                 // If a "starttime" is set and higher than current time:
00167                         if ($enCols['starttime'])       { if (time() < intval($row[$enCols['starttime']]))      { $timing = TRUE; }}
00168                                 // If an "endtime" is set:
00169                         if ($enCols['endtime']) {
00170                                 if (intval($row[$enCols['endtime']]) > 0)       {
00171                                         if (intval($row[$enCols['endtime']]) < time())  {
00172                                                 $timing = TRUE; // End-timing applies at this point.
00173                                         } else {
00174                                                 $futuretiming = TRUE;           // End-timing WILL apply in the future for this element.
00175                                         }
00176                                 }
00177                         }
00178                                 // If a user-group field is set:
00179                         if ($enCols['fe_group'])        {
00180                                 $user = $row[$enCols['fe_group']];
00181                                 if ($user && $doNotRenderUserGroupNumber)       $user=100;      // Limit for user number rendering!
00182                         }
00183                 }
00184 
00185                         // If "deleted" flag is set (only when listing records which are also deleted!)
00186                 if ($col=$row[$TCA[$table]['ctrl']['delete']])  {
00187                         $deleted = TRUE;
00188                 }
00189                         // Detecting extendToSubpages (for pages only)
00190                 if ($table=='pages' && $row['extendToSubpages'] && ($hidden || $timing || $futuretiming || $user))      {
00191                         $protectSection = TRUE;
00192                 }
00193 
00194                         // If ANY of the booleans are set it means we have to alter the icon:
00195                 if ($hidden || $timing || $futuretiming || $user || $deleted || $shaded || $noIconFound)        {
00196                         $flags='';
00197                         $string='';
00198                         if ($deleted)   {
00199                                 $string='deleted';
00200                                 $flags='d';
00201                         } elseif ($noIconFound) {       // This is ONLY for creating icons with "?" on easily...
00202                                 $string='no_icon_found';
00203                                 $flags='x';
00204                         } else {
00205                                 if ($hidden) $string.='hidden';
00206                                 if ($timing) $string.='timing';
00207                                 if (!$string && $futuretiming) {
00208                                         $string='futuretiming';
00209                                 }
00210 
00211                                 $flags.=
00212                                         ($hidden ? 'h' : '').
00213                                         ($timing ? 't' : '').
00214                                         ($futuretiming ? 'f' : '').
00215                                         ($user ? 'u' : '').
00216                                         ($protectSection ? 'p' : '').
00217                                         ($shaded ? 's' : '');
00218                         }
00219 
00220                                 // Create tagged icon file name:
00221                         $iconFileName_stateTagged = ereg_replace('.([[:alnum:]]+)$','__'.$flags.'.\1',basename($iconfile));
00222 
00223                                 // Check if tagged icon file name exists (a tagget icon means the icon base name with the flags added between body and extension of the filename, prefixed with underscore)
00224                         if (@is_file(dirname($absfile).'/'.$iconFileName_stateTagged))  {       // Look for [iconname]_xxxx.[ext]
00225                                 return dirname($iconfile).'/'.$iconFileName_stateTagged;
00226                         } elseif ($doNotGenerateIcon)   {               // If no icon generation can be done, try to look for the _X icon:
00227                                 $iconFileName_X = ereg_replace('.([[:alnum:]]+)$','__x.\1',basename($iconfile));
00228                                 if (@is_file(dirname($absfile).'/'.$iconFileName_X))    {
00229                                         return dirname($iconfile).'/'.$iconFileName_X;
00230                                 } else {
00231                                         return 'gfx/i/no_icon_found.gif';
00232                                 }
00233                         } else {        // Otherwise, create the icon:
00234                                 $theRes= t3lib_iconWorks::makeIcon($GLOBALS['BACK_PATH'].$iconfile, $string, $user, $protectSection, $absfile, $iconFileName_stateTagged);
00235                                 return $theRes;
00236                         }
00237                 } else {
00238                         return $iconfile;
00239                 }
00240         }
00241 
00254         function skinImg($backPath,$src,$wHattribs='',$outputMode=0)    {
00255 
00256                         // Setting source key. If the icon is refered to inside an extension, we homogenize the prefix to "ext/":
00257                 $srcKey = ereg_replace('^(\.\.\/typo3conf\/ext|sysext|ext)\/','ext/',$src);
00258 #if ($src!=$srcKey)debug(array($src,$srcKey));
00259 
00260                         // LOOKING for alternative icons:
00261                 if ($GLOBALS['TBE_STYLES']['skinImg'][$srcKey]) {       // Slower or faster with is_array()? Could be used.
00262                         list($src,$wHattribs) = $GLOBALS['TBE_STYLES']['skinImg'][$srcKey];
00263                 } elseif ($GLOBALS['TBE_STYLES']['skinImgAutoCfg'])     {       // Otherwise, test if auto-detection is enabled:
00264 
00265                                 // Search for alternative icon automatically:
00266                         $fExt = $GLOBALS['TBE_STYLES']['skinImgAutoCfg']['forceFileExtension'];
00267                         $scaleFactor = $GLOBALS['TBE_STYLES']['skinImgAutoCfg']['scaleFactor'] ? $GLOBALS['TBE_STYLES']['skinImgAutoCfg']['scaleFactor'] : 1;   // Scaling factor
00268                         $lookUpName = $fExt ? ereg_replace('\.[[:alnum:]]+$','',$srcKey).'.'.$fExt : $srcKey;   // Set filename to look for
00269 
00270                                 // If file is found:
00271                         if (@is_file($GLOBALS['TBE_STYLES']['skinImgAutoCfg']['absDir'].$lookUpName))   {       // If there is a file...
00272                                 $iInfo = @getimagesize($GLOBALS['TBE_STYLES']['skinImgAutoCfg']['absDir'].$lookUpName); // Get width/height:
00273 
00274                                         // Set $src and $wHattribs:
00275                                 $src = $GLOBALS['TBE_STYLES']['skinImgAutoCfg']['relDir'].$lookUpName;
00276                                 $wHattribs = 'width="'.round($iInfo[0]*$scaleFactor).'" height="'.round($iInfo[1]*$scaleFactor).'"';
00277                         }
00278 
00279                                 // In anycase, set currect src / wHattrib - this way we make sure that an entry IS found next time we hit the function, regardless of whether it points to a alternative icon or just the current.
00280                         $GLOBALS['TBE_STYLES']['skinImg'][$srcKey] = array($src,$wHattribs);            // Set default...
00281                 }
00282 
00283                         // DEBUG: This doubles the size of all icons - for testing/debugging:
00284 #               if (ereg('^width="([0-9]+)" height="([0-9]+)"$',$wHattribs,$reg))       $wHattribs='width="'.($reg[1]*2).'" height="'.($reg[2]*2).'"';
00285 
00286                         // Return icon source/wHattributes:
00287                 switch($outputMode)     {
00288                         case 0:
00289                                 return ' src="'.$backPath.$src.'" '.$wHattribs;
00290                         break;
00291                         case 1:
00292                                 return $backPath.$src;
00293                         break;
00294                         case 2:
00295                                 return $wHattribs;
00296                         break;
00297                 }
00298         }
00299 
00300 
00301 
00302 
00303 
00304 
00305 
00306 
00307 
00308 
00309 
00310         /***********************************
00311          *
00312          * Other functions
00313          *
00314          ***********************************/
00315 
00328         function makeIcon($iconfile,$mode, $user, $protectSection,$absFile,$iconFileName_stateTagged)   {
00329                 $iconFileName = 'icon_'.t3lib_div::shortMD5($iconfile.'|'.$mode.'|-'.$user.'|'.$protectSection).'_'.$iconFileName_stateTagged.'.'.($GLOBALS['TYPO3_CONF_VARS']['GFX']['gdlib_png']?'png':'gif');
00330                 $mainpath = '../typo3temp/'.$iconFileName;
00331                 $path = PATH_site.'typo3temp/'.$iconFileName;
00332 
00333 
00334                 if (@file_exists(PATH_typo3.'icons/'.$iconFileName))    {       // Returns if found in typo3/icons/
00335                         return 'icons/'.$iconFileName;
00336                 } elseif (@file_exists($path))  {       // Returns if found in ../typo3temp/icons/
00337                         return $mainpath;
00338                 } else {        // Makes icon:
00339                         if (@file_exists($absFile))     {
00340                                 if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['gdlib'])        {
00341 
00342                                                 // Create image pointer, if possible:
00343                                         $im = t3lib_iconworks::imagecreatefrom($absFile);
00344                                         if ($im<0)      return $iconfile;
00345 
00346                                                 // Converting to gray scale, dimming the icon:
00347                                         if ($mode!='futuretiming' && $mode!='no_icon_found' && !(!$mode && $user))      {
00348                                                 for ($c=0; $c<ImageColorsTotal($im); $c++)      {
00349                                                         $cols = ImageColorsForIndex($im,$c);
00350                                                         $newcol = round(($cols['red']+$cols['green']+$cols['blue'])/3);
00351                                                         $lighten = 2;
00352                                                         $newcol = round(255-((255-$newcol)/$lighten));
00353                                                         ImageColorSet($im,$c,$newcol,$newcol,$newcol);
00354                                                 }
00355                                         }
00356                                                 // Applying user icon, if there are access control on the item:
00357                                         if ($user)      {
00358                                                 if ($user < 100)        {       // Apply user number only if lower than 100
00359                                                         $black = ImageColorAllocate($im, 0,0,0);
00360                                                         imagefilledrectangle($im, 0,0,(($user>10)?9:5),8,$black);
00361 
00362                                                         $white = ImageColorAllocate($im, 255,255,255);
00363                                                         imagestring($im, 1, 1, 1, $user, $white);
00364                                                 }
00365 
00366                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_group.gif');
00367                                                 if ($ol_im<0)   return $iconfile;
00368 
00369                                                 t3lib_iconworks::imagecopyresized($im, $ol_im, 0, 0, 0, 0, imagesx($ol_im), imagesy($ol_im), imagesx($ol_im), imagesy($ol_im));
00370                                         }
00371                                                 // Applying overlay based on mode:
00372                                         if ($mode)      {
00373                                                 unset($ol_im);
00374                                                 switch($mode)   {
00375                                                         case 'deleted':
00376                                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_deleted.gif');
00377                                                         break;
00378                                                         case 'futuretiming':
00379                                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_timing.gif');
00380                                                         break;
00381                                                         case 'timing':
00382                                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_timing.gif');
00383                                                         break;
00384                                                         case 'hiddentiming':
00385                                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_hidden_timing.gif');
00386                                                         break;
00387                                                         case 'no_icon_found':
00388                                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_no_icon_found.gif');
00389                                                         break;
00390                                                         case 'hidden':
00391                                                         default:
00392                                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_hidden.gif');
00393                                                         break;
00394                                                 }
00395                                                 if ($ol_im<0)   return $iconfile;
00396                                                 t3lib_iconworks::imagecopyresized($im, $ol_im, 0, 0, 0, 0, imagesx($ol_im), imagesy($ol_im), imagesx($ol_im), imagesy($ol_im));
00397                                         }
00398                                                 // Protect-section icon:
00399                                         if ($protectSection)    {
00400                                                 $ol_im = t3lib_iconworks::imagecreatefrom($GLOBALS['BACK_PATH'].'gfx/overlay_sub5.gif');
00401                                                 if ($ol_im<0)   return $iconfile;
00402                                                 t3lib_iconworks::imagecopyresized($im, $ol_im, 0, 0, 0, 0, imagesx($ol_im), imagesy($ol_im), imagesx($ol_im), imagesy($ol_im));
00403                                         }
00404 
00405                                                 // Create the image as file, destroy GD image and return:
00406                                         @t3lib_iconWorks::imagemake($im, $path);
00407                                         t3lib_div::gif_compress($path, 'IM');
00408                                         ImageDestroy($im);
00409                                         return $mainpath;
00410                                 } else {
00411                                         return $iconfile;
00412                                 }
00413                         } else {
00414                                 return $GLOBALS['BACK_PATH'].'gfx/fileicons/default.gif';
00415                         }
00416                 }
00417         }
00418 
00444         function imagecopyresized(&$im, $cpImg, $Xstart, $Ystart, $cpImgCutX, $cpImgCutY, $w, $h, $w, $h)       {
00445                 if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['gdlib_2'] && $GLOBALS['TYPO3_CONF_VARS']['GFX']['gdlib_png'])   {       // Maybe I'll have to change this if GD2/gif does not work either...
00446                         if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['im_path'])      {
00447 
00448                                 $tempBaseName = PATH_site.'typo3temp/ICRZ_'.md5(uniqid('.'));
00449 
00450                                 ImagePng($im, $tempBaseName.'_im.png');
00451                                 ImagePng($cpImg, $tempBaseName.'_cpImg.png');
00452 
00453                                 $cmd = t3lib_exec::imageMagickCommand('combine', '-compose over '.$tempBaseName.'_cpImg.png '.$tempBaseName.'_im.png '.$tempBaseName.'_out.png ');
00454                                 exec($cmd);
00455 
00456                                 $im = imagecreatefrompng($tempBaseName.'_out.png');
00457                                 unlink($tempBaseName.'_im.png');
00458                                 unlink($tempBaseName.'_cpImg.png');
00459                                 unlink($tempBaseName.'_out.png');
00460                         }
00461                 } else {
00462                         imagecopyresized($im, $cpImg, $Xstart, $Ystart, $cpImgCutX, $cpImgCutY, $w, $h, $w, $h);
00463                 }
00464         }
00465 
00474         function imagecreatefrom($file) {
00475                 $file = t3lib_div::read_png_gif($file,$GLOBALS['TYPO3_CONF_VARS']['GFX']['gdlib_png']);
00476                 if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['gdlib_png'])    {
00477                         return $file ? imagecreatefrompng($file) : -1;
00478                 } else {
00479                         return $file ? imagecreatefromgif($file) : -1;
00480                 }
00481         }
00482 
00491         function imagemake($im, $path)  {
00492                 if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['gdlib_png'])    {
00493                         @ImagePng($im, $path);
00494                 } else {
00495                         @ImageGif($im, $path);
00496                 }
00497         }
00498 }
00499 ?>


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