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