lib/plugin/PhotoAlbum.php

   1 <?php // -*-php-*-
   2 rcs_id('$Id$');
   3 /*
   4  * Copyright 2003,2004,2005,2007 $ThePhpWikiProgrammingTeam
   5  * Copyright 2009 Marc-Etienne Vargenau, Alcatel-Lucent
   6  *
   7  * This file is part of PhpWiki.
   8  *
   9  * PhpWiki is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * PhpWiki is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with PhpWiki; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 /**
  25  * Display an album of a set of photos with optional descriptions.
  26  *
  27  * @author: Ted Vinke <teddy@jouwfeestje.com>
  28  *          Reini Urban (local fs)
  29  *          Thomas Harding (slides mode, real thumbnails)
  30  *
  31  * Usage:
  32  * <?plugin PhotoAlbum
  33  *          src="http://server/textfile" or localfile or localdir
  34  *          mode=[normal|column|row|thumbs|tiles|list|slide]
  35  *          desc=true
  36  *          numcols=3
  37  *          height=50%
  38  *          width=50%
  39  *          thumbswidth=80
  40  *          align=[center|left|right]
  41  *          duration=6
  42  * ?>
  43  *
  44  * "src": textfile of images or directory of images or a single image (local or remote)
  45  *      Local or remote e.g. http://myserver/images/MyPhotos.txt or http://myserver/images/
  46  *      or /images/ or Upload:photos/
  47  *      Possible content of a valid textfile:
  48  *     photo-01.jpg; Me and my girlfriend
  49  *     photo-02.jpg
  50  *     christmas.gif; Merry Christmas!
  51  *
  52  *     Inside textfile, filenames and optional descriptions are seperated by
  53  *     semi-colon on each line. Listed files must be in same directory as textfile
  54  *     itself, so don't use relative paths inside textfile.
  55  *
  56  * "url": defines the the webpath to the srcdir directory (formerly called weblocation)
  57  */
  58
  59 /**
  60  * TODO:
  61  * - specify picture(s) as parameter(s)
  62  * - limit amount of pictures on one page
  63  * - use PHP to really resize or greyscale images (only where GD library supports it)
  64  *   (quite done for resize with "ImageTile.php")
  65  *
  66  * KNOWN ISSUES:
  67  * - reading height and width from images with spaces in their names fails.
  68  *
  69  * Fixed album location idea by Philip J. Hollenback. Thanks!
  70  */
  71
  72 class ImageTile extends HtmlElement
  73 {
  74     // go away, hack!
  75     function image_tile (/*...*/) {
  76         $el = new HTML ('img');
  77         $tag = func_get_args();
  78         $path = DATA_PATH . "/ImageTile.php";
  79         $params = "<img src=\"$path?url=". $tag[0]['src'];
  80         if (!@empty($tag[0]['width']))
  81             $params .= "&width=" . $tag[0]['width'];
  82         if (!@empty($tag[0]['height']))
  83             $params .= "&height=" . $tag[0]['height'];
  84         if (!@empty($tag[0]['width']))
  85             $params .= '" width="' . $tag[0]['width'];
  86         if (!@empty($tag[0]['height']))
  87             $params .= '" height="' . $tag[0]['height'];
  88
  89         $params .= '" alt="' . $tag[0]['alt'] . '" />';
  90         return $el->raw ($params);
  91     }
  92 }
  93
  94 class WikiPlugin_PhotoAlbum
  95 extends WikiPlugin
  96 {
  97     function getName () {
  98         return _("PhotoAlbum");
  99     }
 100
 101     function getDescription () {
 102         return _("Displays a set of photos listed in a text file with optional descriptions");
 103     }
 104
 105     function getVersion() {
 106         return preg_replace("/[Revision: $]/", '',
 107                             "\$Revision$");
 108     }
 109
 110 // Avoid nameclash, so it's disabled. We allow any url.
 111 // define('allow_album_location', true);
 112 // define('album_location', 'http://kw.jouwfeestje.com/foto/redactie');
 113 // define('album_default_extension', '.jpg');
 114 // define('desc_separator', ';');
 115
 116     function getDefaultArguments() {
 117         return array('src'      => '',          // textfile of image list, or local dir.
 118                      'url'      => '',          // if src=localfs, url prefix (webroot for the links)
 119                      'mode'    => 'normal',     // normal|thumbs|tiles|list
 120                          // "normal" - Normal table which shows photos full-size
 121                          // "thumbs" - WinXP thumbnail style
 122                          // "tiles"  - WinXP tiles style
 123                          // "list"   - WinXP list style
 124                          // "row"    - inline thumbnails
 125                          // "column" - photos full-size, displayed in 1 column
 126                          // "slide"  - slideshow mode, needs javascript on client
 127                      'numcols'    => 3,        // photos per row, columns
 128                      'showdesc'    => 'both',    // none|name|desc|both
 129                          // "none"   - No descriptions next to photos
 130                          // "name"   - Only filename shown
 131                          // "desc"   - Only description (from textfile) shown
 132                          // "both"     - If no description found, then filename will be used
 133                      'link'    => true,     // show link to original sized photo
 134                          // If true, each image will be hyperlinked to a page where the single
 135                          // photo will be shown full-size. Only works when mode != 'normal'
 136                      'attrib'    => '',        // 'sort, nowrap, alt'
 137                          // attrib arg allows multiple attributes: attrib=sort,nowrap,alt
 138                          // 'sort' sorts alphabetically, 'nowrap' for cells, 'alt' to use
 139                         // descs instead of filenames in image ALT-tags
 140                      'bgcolor'  => '#eae8e8',        // cell bgcolor (lightgrey)
 141                      'hlcolor'        => '#c0c0ff',        // highlight color (lightblue)
 142                      'align'        => 'center',        // alignment of table
 143                      'height'   => 'auto',        // image height (auto|75|100%)
 144                      'width'    => 'auto',        // image width (auto|75|100%)
 145                      // Size of shown photos. Either absolute value (e.g. "50") or
 146                      // HTML style percentage (e.g. "75%") or "auto" for no special
 147                      // action.
 148                      'cellwidth'=> 'image',        // cell (auto|equal|image|75|100%)
 149                      // Width of cells in table. Either absolute value in pixels, HTML
 150                      // style percentage, "auto" (no special action), "equal" (where
 151                      // all columns are equally sized) or "image" (take height and
 152                      // width of the photo in that cell).
 153                      'tablewidth'=> false,    // table (75|100%)
 154                      'p'    => false,     // "displaythissinglephoto.jpg"
 155                      'h'    => false,     // "highlightcolorofthisphoto.jpg"
 156                      'duration' => 6, // in slide mode, in seconds
 157                      'thumbswidth' => 80 //width of thumbnails
 158                      );
 159     }
 160     // descriptions (instead of filenames) for image alt-tags
 161
 162     function run($dbi, $argstr, &$request, $basepage) {
 163
 164         extract($this->getArgs($argstr, $request));
 165
 166         $attributes = $attrib ? explode(",", $attrib) : array();
 167         $photos = array();
 168         $html = HTML();
 169         $count = 0;
 170         // check all parameters
 171         // what type do we have?
 172         if (!$src) {
 173             $showdesc  = 'none';
 174             $src   = $request->getArg('pagename');
 175             $error = $this->fromLocation($src, $photos);
 176         } else {
 177             $error = $this->fromFile($src, $photos, $url);
 178         }
 179         if ($error) {
 180             return $this->error($error);
 181         }
 182
 183         if ($numcols < 1) $numcols = 1;
 184         if ($align != 'left' && $align != 'center' && $align != 'right') {
 185             $align = 'center';
 186         }
 187         if (count($photos) == 0) return;
 188
 189         if (in_array("sort", $attributes))
 190             sort($photos);
 191
 192         if ($p) {
 193             $mode = "normal";
 194         }
 195
 196         if ($mode == "column") {
 197             $mode="normal";
 198             $numcols="1";
 199         }
 200
 201         // set some fixed properties for each $mode
 202         if ($mode == 'thumbs' || $mode == 'tiles') {
 203             $attributes = array_merge($attributes, "alt");
 204             $attributes = array_merge($attributes, "nowrap");
 205             $cellwidth  = 'auto'; // else cell won't nowrap
 206             if ($width == 'auto') $width = 70;
 207         } elseif ($mode == 'list') {
 208             $numcols    = 1;
 209             $cellwidth  = "auto";
 210             if ($width == 'auto') $width = 50;
 211         } elseif ($mode == 'slide' ) {
 212             $tableheight = 0;
 213             $cell_width = 0;
 214             $numcols = count($photos);
 215             $keep = $photos;
 216             while (list($key, $value) = each($photos)) {
 217                 list($x,$y,$s,$t) = @getimagesize($value['src']);
 218                 if ($height != 'auto') $y = $this->newSize($y, $height);
 219                 if ($width != 'auto') $y = round($y * $this->newSize($x, $width) / $x);
 220                 if ($x > $cell_width) $cell_width = $x;
 221                 if ($y > $tableheight) $tableheight = $y;
 222             }
 223             $tableheight += 50;
 224             $photos = $keep;
 225             unset ($x,$y,$s,$t,$key,$value,$keep);
 226         }
 227
 228         $row = HTML();
 229         $duration = 1000 * $duration;
 230         if ($mode == 'slide')
 231             $row->pushContent(JavaScript("
 232 i = 0;
 233 function display_slides() {
 234   j = i - 1;
 235   cell0 = document.getElementsByName('wikislide' + j);
 236   cell = document.getElementsByName('wikislide' + i);
 237   if (cell0.item(0) != null)
 238     cell0.item(0).style.display='none';
 239   if (cell.item(0) != null)
 240     cell.item(0).style.display='block';
 241   i += 1;
 242   if (cell.item(0) == null) i = 0;
 243   setTimeout('display_slides()',$duration);
 244 }
 245 display_slides();"));
 246
 247         while (list($key, $value) = each($photos))  {
 248             if ($p && basename($value["name"]) != "$p") {
 249                 continue;
 250             }
 251             if ($h && basename($value["name"]) == "$h") {
 252                 $color = $hlcolor ? $hlcolor : $bgcolor;
 253             } else {
 254                 $color = $bgcolor;
 255             }
 256             // $params will be used for each <img > tag
 257             $params = array('src'    => $value["name"],
 258                             'src_tile' => $value["name_tile"],
 259                             'border' => "0",
 260                             'alt'    => ($value["desc"] != "" and in_array("alt", $attributes))
 261                                             ? $value["desc"]
 262                                             : basename($value["name"]));
 263             if (!@empty($value['location']))
 264                 $params = array_merge($params, array("location" => $value['location']));
 265             // check description
 266             switch ($showdesc) {
 267             case 'none':
 268                 $value["desc"] = '';
 269                 break;
 270             case 'name':
 271                 $value["desc"] = basename($value["name"]);
 272                 break;
 273             case 'desc':
 274                 break;
 275             default: // 'both'
 276                 if (!$value["desc"]) $value["desc"] = basename($value["name"]);
 277                 break;
 278             }
 279
 280             // FIXME: get getimagesize to work with names with spaces in it.
 281             // convert $value["name"] from webpath to local path
 282             $size = @getimagesize($value["name"]); // try " " => "\\ "
 283             if (!$size and !empty($value["src"])) {
 284                 $size = @getimagesize($value["src"]);
 285                 if (!$size) {
 286                     trigger_error("Unable to getimagesize(".$value["name"].")",
 287                                   E_USER_NOTICE);
 288                 }
 289             }
 290             $newwidth = $this->newSize($size[0], $width);
 291             if ($width != 'auto' && $newwidth > 0) {
 292                 $params = array_merge($params, array("width" => $newwidth));
 293             }
 294             if (($mode == 'thumbs' || $mode == 'tiles' || $mode == 'list')) {
 295                 if (!empty($size[0])) {
 296                     $newheight = round ($newwidth * $size[1] / $size[0]);
 297                     $params['width'] = $newwidth;
 298                     $params['height'] = $newheight;
 299                 } else  $newheight = '';
 300                 if ($height == 'auto') $height=150;
 301             }
 302             else {
 303                 $newheight = $this->newSize($size[1], $height);
 304                 if ($height != 'auto' && $newheight > 0) {
 305                     $params = array_merge($params, array("height" => $newheight));
 306                 }
 307             }
 308
 309             // cell operations
 310             $cell = array('align'   => "center",
 311                           'valign'  => "top",
 312                           'class'   => 'photoalbum cell',
 313                           'bgcolor' => "$color");
 314             if ($cellwidth != 'auto') {
 315                 if ($cellwidth == 'equal') {
 316                     $newcellwidth = round(100/$numcols)."%";
 317                 } else if ($cellwidth == 'image') {
 318                     $newcellwidth = $newwidth;
 319                 } else {
 320                     $newcellwidth = $cellwidth;
 321                 }
 322                 $cell = array_merge($cell, array("width" => $newcellwidth));
 323             }
 324             if (in_array("nowrap", $attributes)) {
 325                 $cell = array_merge($cell, array("nowrap" => "nowrap"));
 326             }
 327             //create url to display single larger version of image on page
 328             $url = WikiURL($request->getPage(),
 329                            array("p" => basename($value["name"])))
 330                 . "#"
 331                 . basename($value["name"]);
 332
 333             $b_url = WikiURL($request->getPage(),
 334                              array("h" => basename($value["name"])))
 335                 . "#"
 336                 . basename($value["name"]);
 337             $url_text = $link
 338                 ? HTML::a(array("href" => "$url"), basename($value["desc"]))
 339                 : basename($value["name"]);
 340             if (! $p) {
 341                 if ($mode == 'normal' || $mode == 'slide') {
 342                     if(!@empty($params['location'])) $params['src'] = $params['location'];
 343                     unset ($params['location'],$params['src_tile']);
 344                     $url_image = $link ? HTML::a(array("id" => basename($value["name"]),
 345                                                        "href" => "$url"), HTML::img($params))
 346                                        : HTML::img($params);
 347                 } else {
 348                     $keep = $params;
 349                     if (!@empty ($params['src_tile']))
 350                         $params['src'] = $params['src_tile'] ;
 351                     unset ($params['location'],$params['src_tile']);
 352                     $url_image = $link ? HTML::a(array("id" => basename($value["name"]),
 353                                                        "href" => "$url"),
 354                                                  ImageTile::image_tile($params))
 355                                        : HTML::img($params);
 356                     $params = $keep;
 357                     unset ($keep);
 358                 }
 359             } else {
 360                 if(!@empty($params['location'])) $params['src'] = $params['location'];
 361                 unset ($params['location'],$params['src_tile']);
 362                 $url_image = $link ? HTML::a(array("id" =>  basename($value["name"]),
 363                                                    "href" => "$b_url"), HTML::img($params))
 364                                    : HTML::img($params);
 365             }
 366             if ($mode == 'list')
 367                 $url_text = HTML::a(array("id" => basename($value["name"])),
 368                                       $url_text);
 369             // here we use different modes
 370             if ($mode == 'tiles') {
 371                 $row->pushContent(
 372                     HTML::td($cell,
 373                              HTML::div(array('valign' => 'top'), $url_image),
 374                              HTML::div(array('valign' => 'bottom'),
 375                                        HTML::div(array('class'=>'boldsmall'),
 376                                                   ($url_text)),
 377                                        HTML::br(),
 378                                        HTML::div(array('class'=>'gensmall'),
 379                                                   ($size[0].
 380                                                    " x ".
 381                                                    $size[1].
 382                                                    " pixels"))))
 383                     );
 384             } elseif ($mode == 'list') {
 385                 $desc = ($showdesc != 'none') ? $value["desc"] : '';
 386                 $row->pushContent(
 387                     HTML::td(array("valign"  => "top",
 388                                    "nowrap"  => 0,
 389                                    "bgcolor" => $color),
 390                                    HTML::div(array('class'=>'boldsmall'),($url_text))));
 391                 $row->pushContent(
 392                     HTML::td(array("valign"  => "top",
 393                                    "nowrap"  => 0,
 394                                    "bgcolor" => $color),
 395                                    HTML::div(array('class'=>'gensmall'),
 396                                               ($size[0].
 397                                                " x ".
 398                                                $size[1].
 399                                                " pixels"))));
 400
 401                 if ($desc != '')
 402                     $row->pushContent(
 403                         HTML::td(array("valign"  => "top",
 404                                        "nowrap"  => 0,
 405                                        "bgcolor" => $color),
 406                                        HTML::div(array('class'=>'gensmall'),$desc)));
 407
 408             } elseif ($mode == 'thumbs') {
 409                 $desc = ($showdesc != 'none') ?
 410                             HTML::p(HTML::a(array("href" => "$url"),
 411                                     $url_text)) : '';
 412                 $row->pushContent(
 413                         (HTML::td($cell,
 414                                   $url_image,
 415                                   // FIXME: no HtmlElement for fontsizes?
 416                                   // rurban: use ->setAttr("style","font-size:small;")
 417                                   //         but better use a css class
 418                                   HTML::div(array('class'=>'gensmall'),$desc)
 419                                   )));
 420             } elseif ($mode == 'normal') {
 421                 $desc = ($showdesc != 'none') ? HTML::p($value["desc"]) : '';
 422                 $row->pushContent(
 423                         (HTML::td($cell,
 424                                   $url_image,
 425                                   // FIXME: no HtmlElement for fontsizes?
 426                                   HTML::div(array('class'=>'gensmall'),$desc)
 427                                   )));
 428             } elseif ($mode == 'slide') {
 429                 if ($newwidth == 'auto' || !$newwidth)
 430                     $newwidth = $this->newSize($size[0],$width);
 431                 if ($newwidth == 'auto' || !$newwidth)
 432                     $newwidth = $size[0];
 433                 if ($newheight != 'auto') $newwidth = round($size[0] *  $newheight / $size[1]);
 434                 $desc = ($showdesc != 'none') ? HTML::p($value["desc"]) : '';
 435                 if ($count == 0)
 436                     $cell=array('style' => 'display: block; '
 437                                 . 'position: absolute; '
 438                                 . 'left: 50% ; '
 439                                 . 'margin-left: -'.round($newwidth / 2).'px;'
 440                                 . 'text-align: center; '
 441                                 . 'vertical-align: top',
 442                                 'name' => "wikislide".$count);
 443                 else
 444                     $cell=array('style' => 'display: none; '
 445                                 . 'position: absolute ;'
 446                                 . 'left: 50% ;'
 447                                 . 'margin-left: -'.round($newwidth / 2).'px;'
 448                                 . 'text-align: center; '
 449                                 . 'vertical-align: top',
 450                                 'name' => "wikislide".$count);
 451                 if ($align == 'left' || $align == 'right') {
 452                     if ($count == 0)
 453                         $cell=array('style' => 'display: block; '
 454                                               .'position: absolute; '
 455                                               . $align.': 50px; '
 456                                               .'vertical-align: top',
 457                                     'name' => "wikislide".$count);
 458                     else
 459                         $cell=array('style' => 'display: none; '
 460                                               .'position: absolute; '
 461                                               . $align.': 50px; '
 462                                               .'vertical-align: top',
 463                                     'name' => "wikislide".$count);
 464                     }
 465                 $row->pushContent(
 466                                   (HTML::td($cell,
 467                                             $url_image,
 468                                             HTML::div(array('class'=>'gensmall'), $desc)
 469                                             )));
 470                 $count ++;
 471             } elseif ($mode == 'row') {
 472                 $desc = ($showdesc != 'none') ? HTML::p($value["desc"]) : '';
 473                 $row->pushContent(
 474                                   HTML::table(array("style" => "display: inline",
 475                                                     'class' > "photoalbum row"),
 476                               HTML::tr(HTML::td($url_image)),
 477                               HTML::tr(HTML::td(array("class" => "gensmall",
 478                                                       "style" => "text-align: center; "
 479                                                                 ."background-color: $color"),
 480                                                 $desc))
 481                                     ));
 482             } else {
 483                 return $this->error(fmt("Invalid argument: %s=%s", 'mode', $mode));
 484             }
 485
 486             // no more images in one row as defined by $numcols
 487             if ( ($key + 1) % $numcols == 0 ||
 488                  ($key + 1) == count($photos) ||
 489                  $p) {
 490                     if ($mode == 'row')
 491                         $html->pushcontent(HTML::div($row));
 492                     else
 493                         $html->pushcontent(HTML::tr($row));
 494                     $row->setContent('');
 495             }
 496         }
 497
 498         //create main table
 499         $table_attributes = array("border"      => 0,
 500                                   "cellpadding" => 5,
 501                                   "cellspacing" => 2,
 502                                   "class"       => "photoalbum",
 503                                   "width"       => $tablewidth ? $tablewidth : "100%");
 504
 505         if (!empty($tableheight))
 506             $table_attributes = array_merge($table_attributes,
 507                                             array("height"  => $tableheight));
 508         if ($mode != 'row')
 509             $html = HTML::table($table_attributes, $html);
 510         // align all
 511         return HTML::div(array("align" => $align), $html);
 512     }
 513
 514     /**
 515      * Calculate the new size in pixels when the original size
 516      * with a value is given.
 517      *
 518      * @param integer $oldSize Absolute no. of pixels
 519      * @param mixed $value Either absolute no. or HTML percentage e.g. '50%'
 520      * @return integer New size in pixels
 521      */
 522     function newSize($oldSize, $value) {
 523         if (trim(substr($value,strlen($value)-1)) != "%") {
 524             return $value;
 525         }
 526         $value = str_replace("%", "", $value);
 527         return round(($oldSize*$value)/100);
 528     }
 529
 530     /**
 531     * fromLocation - read only one picture from fixed album_location
 532     * and return it in array $photos
 533     *
 534     * @param string $src Name of page
 535     * @param array $photos
 536     * @return string Error if fixed location is not allowed
 537     */
 538     function fromLocation($src, &$photos) {
 539             /*if (!allow_album_location) {
 540                 return $this->error(_("Fixed album location is not allowed. Please specify parameter src."));
 541         }*/
 542         //FIXME!
 543         if (! IsSafeURL($src)) {
 544             return $this->error(_("Bad url in src: remove all of <, >, \""));
 545         }
 546             $photos[] = array ("name" => $src, //album_location."/$src".album_default_extension,
 547                            "desc" => "");
 548     }
 549
 550     /**
 551      * fromFile - read pictures & descriptions (separated by ;)
 552      *            from $src and return it in array $photos
 553      *
 554      * @param string $src path to dir or textfile (local or remote)
 555      * @param array $photos
 556      * @return string Error when bad url or file couldn't be opened
 557      */
 558     function fromFile($src, &$photos, $webpath='') {
 559         $src_bak = $src;
 560         if (preg_match("/^Upload:(.*)$/", $src, $m)) {
 561             $src = getUploadFilePath() . $m[1];
 562             $webpath = getUploadDataPath() . $m[1];
 563         }
 564         //there has a big security hole... as loading config/config.ini !
 565         if (!preg_match('/(\.csv|\.jpg|\.jpeg|\.png|\.gif|\/)$/',$src)) {
 566            return $this->error(_("File extension for csv file has to be '.csv'"));
 567         }
 568         if (! IsSafeURL($src)) {
 569             return $this->error(_("Bad url in src: remove all of <, >, \""));
 570         }
 571         if (preg_match('/^(http|ftp|https):\/\//i', $src)) {
 572             $contents = url_get_contents($src);
 573             $web_location = 1;
 574         } else {
 575             $web_location = 0;
 576             if (string_ends_with($src,"/"))
 577                $src = substr($src,0,-1);
 578         }
 579         if (!file_exists($src) and @file_exists(PHPWIKI_DIR . "/$src")) {
 580             $src = PHPWIKI_DIR . "/$src";
 581         }
 582         // check if src is a directory
 583         if (file_exists($src) and filetype($src) == 'dir') {
 584             //all images
 585             $list = array();
 586             foreach (array('jpeg','jpg','png','gif') as $ext) {
 587                 $fileset = new fileSet($src, "*.$ext");
 588                 $list = array_merge($list, $fileset->getFiles());
 589             }
 590             // convert dirname($src) (local fs path) to web path
 591             natcasesort($list);
 592             if (! $webpath ) {
 593                 // assume relative src. default: "themes/Hawaiian/images/pictures"
 594                 $webpath = DATA_PATH . '/' . $src_bak;
 595             }
 596             foreach ($list as $file) {
 597                 // convert local path to webpath
 598                 $photos[] = array ("src" => $file,
 599                                    "name" => $webpath . "/$file",
 600                                    "name_tile" =>  $src . "/$file",
 601                                    "src"  => $src . "/$file",
 602                                    "desc" => "");
 603             }
 604             return;
 605         }
 606         // check if $src is an image
 607         foreach (array('jpeg','jpg','png','gif') as $ext) {
 608             if (preg_match("/\.$ext$/", $src)) {
 609                 if (!file_exists($src) and @file_exists(PHPWIKI_DIR . "/$src"))
 610                     $src = PHPWIKI_DIR . "/$src";
 611                 if ($web_location == 1 and !empty($contents)) {
 612                     $photos[] = array ("src" => $src,
 613                                        "name" => $src,
 614                                        "name_tile" => $src,
 615                                        "src"  => $src,
 616                                        "desc" => "");
 617                     return;
 618                 }
 619                 if (!file_exists($src))
 620                     return $this->error(fmt("Unable to find src='%s'", $src));
 621                 $photos[] = array ("src" => $src,
 622                                    "name" => "../".$src,
 623                                    "name_tile" =>  $src,
 624                                    "src"  => $src,
 625                                    "desc" => "");
 626                 return;
 627             }
 628         }
 629         if ($web_location == 0) {
 630             $fp = @fopen($src, "r");
 631             if (!$fp) {
 632                 return $this->error(fmt("Unable to read src='%s'", $src));
 633             }
 634             while ($data = fgetcsv($fp, 1024, ';')) {
 635                 if (count($data) == 0 || empty($data[0])
 636                                       || preg_match('/^#/',$data[0])
 637                                       || preg_match('/^[[:space:]]*$/',$data[0]))
 638                     continue;
 639                 if (empty($data[1])) $data[1] = '';
 640                 $photos[] = array ("name" => dirname($src)."/".trim($data[0]),
 641                                    "location" => "../".dirname($src)."/".trim($data[0]),
 642                                    "desc" => trim($data[1]),
 643                                    "name_tile" => dirname($src)."/".trim($data[0]));
 644             }
 645             fclose ($fp);
 646
 647         } elseif ($web_location == 1) {
 648             //TODO: check if the file is an image
 649             $contents = preg_split('/\n/',$contents);
 650             while (list($key,$value) = each($contents)) {
 651                 $data = preg_split('/\;/',$value);
 652                 if (count($data) == 0 || empty($data[0])
 653                                       || preg_match('/^#/',$data[0])
 654                                       || preg_match('/^[[:space:]]*$/',$data[0]))
 655                     continue;
 656                 if (empty($data[1])) $data[1] = '';
 657                 $photos[] = array ("name" => dirname($src)."/".trim($data[0]),
 658                                    "src" => dirname($src)."/".trim($data[0]),
 659                                    "desc" => trim($data[1]),
 660                                    "name_tile" => dirname($src)."/".trim($data[0]));
 661             }
 662         }
 663     }
 664 };
 665
 666 // For emacs users
 667 // Local Variables:
 668 // mode: php
 669 // tab-width: 8
 670 // c-basic-offset: 4
 671 // c-hanging-comment-ender-p: nil
 672 // indent-tabs-mode: nil
 673 // End:
 674 ?>