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<?php // -*-php-*-
rcs_id('$Id: PhotoAlbum.php,v 1.14 2005/10/12 06:19:07 rurban Exp $');
/*
Copyright 2003, 2004, 2005 $ThePhpWikiProgrammingTeam
This file is part of PhpWiki.
PhpWiki 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.
PhpWiki 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.
You should have received a copy of the GNU General Public License
along with PhpWiki; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Display an album of a set of photos with optional descriptions.
*
* @author: Ted Vinke <teddy@jouwfeestje.com>
* Reini Urban (local fs)
* Thomas Harding (slides mode, real thumbnails)
*
* Usage:
* <?plugin PhotoAlbum
* src="http://server/textfile" or localfile or localdir
* mode=[normal|column|row|thumbs|tiles|list|slide]
* desc=true
* numcols=3
* height=50%
* width=50%
* thumbswidth=80
* align=[center|left|right]
* duration=6
* ?>
*
* "src": textfile of images or directory of images or a single image (local or remote)
* Local or remote e.g. http://myserver/images/MyPhotos.txt or http://myserver/images/
* Possible content of a valid textfile:
* photo-01.jpg; Me and my girlfriend
* photo-02.jpg
* christmas.gif; Merry Christmas!
*
* Inside textfile, filenames and optional descriptions are seperated by
* semi-colon on each line. Listed files must be in same directory as textfile
* itself, so don't use relative paths inside textfile.
*
* "url": defines the the webpath to the srcdir directory (formerly called weblocation)
*/
/**
* TODO:
* - specify picture(s) as parameter(s)
* - limit amount of pictures on one page
* - use PHP to really resize or greyscale images (only where GD library supports it)
* (quite done for resize with "ImageTile.php")
*
* KNOWN ISSUES:
* - reading height and width from images with spaces in their names fails.
*
* Fixed album location idea by Philip J. Hollenback. Thanks!
*/
class ImageTile extends HtmlElement
{
function image_tile (/*...*/) {
$el = new HTML ('img');
$tag = func_get_args();
$params = "<img src='../ImageTile.php?url=". $tag[0]['src'];
if (!@empty($tag[0]['width']))
$params .= "&width=" . $tag[0]['width'];
if (!@empty($tag[0]['height']))
$params .= "&height=" . $tag[0]['height'];
if (!@empty($tag[0]['width']))
$params .= "' width='" . $tag[0]['width'];
if (!@empty($tag[0]['height']))
$params .= "' height='" . $tag[0]['height'];
$params .= "' alt='" . $tag[0]['alt'] . "' />";
return $el->raw ($params);
}
}
class WikiPlugin_PhotoAlbum
extends WikiPlugin
{
function getName () {
return _("PhotoAlbum");
}
function getDescription () {
return _("Displays a set of photos listed in a text file with optional descriptions");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.14 $");
}
// Avoid nameclash, so it's disabled. We allow any url.
// define('allow_album_location', true);
// define('album_location', 'http://kw.jouwfeestje.com/foto/redactie');
// define('album_default_extension', '.jpg');
// define('desc_separator', ';');
function getDefaultArguments() {
return array('src' => '', // textfile of image list, or local dir.
'url' => '', // if src=localfs, url prefix (webroot for the links)
'mode' => 'normal', // normal|thumbs|tiles|list
// "normal" - Normal table which shows photos full-size
// "thumbs" - WinXP thumbnail style
// "tiles" - WinXP tiles style
// "list" - WinXP list style
// "row" - inline thumbnails
// "column" - photos full-size, displayed in 1 column
// "slide" - slideshow mode, needs javascript on client
'numcols' => 3, // photos per row, columns
'showdesc' => 'both', // none|name|desc|both
// "none" - No descriptions next to photos
// "name" - Only filename shown
// "desc" - Only description (from textfile) shown
// "both" - If no description found, then filename will be used
'link' => true, // show link to original sized photo
// If true, each image will be hyperlinked to a page where the single
// photo will be shown full-size. Only works when mode != 'normal'
'attrib' => '', // 'sort, nowrap, alt'
// attrib arg allows multiple attributes: attrib=sort,nowrap,alt
// 'sort' sorts alphabetically, 'nowrap' for cells, 'alt' to use
// descs instead of filenames in image ALT-tags
'bgcolor' => '#eae8e8', // cell bgcolor (lightgrey)
'hlcolor' => '#c0c0ff', // highlight color (lightblue)
'align' => 'center', // alignment of table
'height' => 'auto', // image height (auto|75|100%)
'width' => 'auto', // image width (auto|75|100%)
// Size of shown photos. Either absolute value (e.g. "50") or
// HTML style percentage (e.g. "75%") or "auto" for no special
// action.
'cellwidth'=> 'image', // cell (auto|equal|image|75|100%)
// Width of cells in table. Either absolute value in pixels, HTML
// style percentage, "auto" (no special action), "equal" (where
// all columns are equally sized) or "image" (take height and
// width of the photo in that cell).
'tablewidth'=> false, // table (75|100%)
'p' => false, // "displaythissinglephoto.jpg"
'h' => false, // "highlightcolorofthisphoto.jpg"
'duration' => 6, // in slide mode, in seconds
'thumbswidth' => 80 //width of thumbnails
);
}
// descriptions (instead of filenames) for image alt-tags
function run($dbi, $argstr, &$request, $basepage) {
extract($this->getArgs($argstr, $request));
$attributes = $attrib ? explode(",", $attrib) : array();
$photos = array();
$html = HTML();
$count = 0;
// check all parameters
// what type do we have?
if (!$src) {
$showdesc = 'none';
$src = $request->getArg('pagename');
$error = $this->fromLocation($src, $photos);
} else {
$error = $this->fromFile($src, $photos, $url);
}
if ($error) {
return $this->error($error);
}
if ($numcols < 1) $numcols = 1;
if ($align != 'left' && $align != 'center' && $align != 'right') {
$align = 'center';
}
if (count($photos) == 0) return;
if (in_array("sort", $attributes))
sort($photos);
if ($p) {
$mode = "normal";
}
if ($mode == "column") {
$mode="normal";
$numcols="1";
}
// set some fixed properties for each $mode
if ($mode == 'thumbs' || $mode == 'tiles') {
$attributes = array_merge($attributes, "alt");
$attributes = array_merge($attributes, "nowrap");
$cellwidth = 'auto'; // else cell won't nowrap
$width = 50;
} elseif ($mode == 'list') {
$numcols = 1;
$cellwidth = "auto";
$width = 50;
} elseif ($mode == 'slide' ) {
$tableheight = 0;
$cell_width = 0;
$numcols = count($photos);
$keep = $photos;
while (list($key, $value) = each($photos)) {
list($x,$y,$s,$t) = @getimagesize($value['src']);
if ($height != 'auto') $y = $this->newSize($y, $height);
if ($width != 'auto') $y = round($y * $this->newSize($x, $width) / $x);
if ($x > $cell_width) $cell_width = $x;
if ($y > $tableheight) $tableheight = $y;
}
$tableheight += 50;
$photos = $keep;
unset ($x,$y,$s,$t,$key,$value,$keep);
}
$row = HTML();
$duration = 1000 * $duration;
if ($mode == 'slide')
$row->pushContent(JavaScript("
i = 0;
function display_slides() {
j = i - 1;
cell0 = document.getElementsByName('wikislide' + j);
cell = document.getElementsByName('wikislide' + i);
if (cell0.item(0) != null)
cell0.item(0).style.display='none';
if (cell.item(0) != null)
cell.item(0).style.display='block';
i += 1;
if (cell.item(0) == null) i = 0;
setTimeout('display_slides()',$duration);
}
display_slides();"));
while (list($key, $value) = each($photos)) {
if ($p && basename($value["name"]) != "$p") {
continue;
}
if ($h && basename($value["name"]) == "$h") {
$color = $hlcolor ? $hlcolor : $bgcolor;
} else {
$color = $bgcolor;
}
// $params will be used for each <img > tag
$params = array('src' => $value["name"],
'src_tile' => $value["name_tile"],
'border' => "0",
'alt' => ($value["desc"] != "" and in_array("alt", $attributes))
? $value["desc"]
: basename($value["name"]));
if (!@empty($value['location']))
$params = array_merge($params, array("location" => $value['location']));
// check description
switch ($showdesc) {
case 'none':
$value["desc"] = '';
break;
case 'name':
$value["desc"] = basename($value["name"]);
break;
case 'desc':
break;
default: // 'both'
if (!$value["desc"]) $value["desc"] = basename($value["name"]);
break;
}
// FIXME: get getimagesize to work with names with spaces in it.
// convert $value["name"] from webpath to local path
$size = @getimagesize($value["name"]); // try " " => "\\ "
if (!$size and !empty($value["src"])) {
$size = @getimagesize($value["src"]);
if (!$size) {
trigger_error("Unable to getimagesize(".$value["name"].")",
E_USER_NOTICE);
}
}
$newwidth = $this->newSize($size[0], $width);
if (($mode == 'thumbs' || $mode == 'tiles' || $mode == 'list')) {
if (!empty($size[0]))
$newheight = round (50 * $size[1] / $size[0]);
else $newheight = '';
if ($height == 'auto') $height=150;
}
else
$newheight = $this->newSize($size[1], $height);
if ($width != 'auto' && $newwidth > 0) {
$params = array_merge($params, array("width" => $newwidth));
}
if ($height != 'auto' && $newheight > 0) {
$params = array_merge($params, array("height" => $newheight));
}
// cell operations
$cell = array('align' => "center",
'valign' => "top",
'bgcolor' => "$color");
if ($cellwidth != 'auto') {
if ($cellwidth == 'equal') {
$newcellwidth = round(100/$numcols)."%";
} else if ($cellwidth == 'image') {
$newcellwidth = $newwidth;
} else {
$newcellwidth = $cellwidth;
}
$cell = array_merge($cell, array("width" => $newcellwidth));
}
if (in_array("nowrap", $attributes)) {
$cell = array_merge($cell, array("nowrap" => "nowrap"));
}
//create url to display single larger version of image on page
$url = WikiURL($request->getPage(),
array("p" => basename($value["name"])))
. "#"
. basename($value["name"]);
$b_url = WikiURL($request->getPage(),
array("h" => basename($value["name"])))
. "#"
. basename($value["name"]);
$url_text = $link
? HTML::a(array("href" => "$url"), basename($value["desc"]))
: basename($value["name"]);
if (! $p) {
if ($mode == 'normal' || $mode == 'slide') {
if(!@empty($params['location'])) $params['src'] = $params['location'];
unset ($params['location'],$params['src_tile']);
$url_image = $link ? HTML::a(array("id" => basename($value["name"])),
HTML::a(array("href" => "$url"), HTML::img($params))) : HTML::img($params);
} else {
$keep = $params;
if (!@empty ($params['src_tile']))
$params['src'] = $params['src_tile'] ;
unset ($params['location'],$params['src_tile']);
$url_image = $link ? HTML::a(array("id" => basename($value["name"])),
HTML::a(array("href" => "$url"),
ImageTile::image_tile($params))) : HTML::img($params);
$params = $keep;
unset ($keep);
}
} else {
if(!@empty($params['location'])) $params['src'] = $params['location'];
unset ($params['location'],$params['src_tile']);
$url_image = $link ? HTML::a(array("id" => basename($value["name"])),
HTML::a(array("href" => "$b_url"), HTML::img($params))) : HTML::img($params);
}
if ($mode == 'list')
$url_text = HTML::a(array("id" => basename($value["name"])),
$url_text);
// here we use different modes
if ($mode == 'tiles') {
$row->pushContent(
HTML::td($cell,
HTML::table(array("cellpadding" => 1, "border" => 0),
HTML::tr(
HTML::td(array("valign" => "top", "rowspan" => 2),
$url_image),
HTML::td(array("valign" => "top", "nowrap" => 0),
HTML::span(array('class'=>'boldsmall'),
($url_text)),
HTML::br(),
HTML::span(array('class'=>'gensmall'),
($size[0].
" x ".
$size[1].
" pixels")))
))));
} elseif ($mode == 'list') {
$desc = ($showdesc != 'none') ? $value["desc"] : '';
$row->pushContent(
HTML::td(array("valign" => "top",
"nowrap" => 0,
"bgcolor" => $color),
HTML::span(array('class'=>'boldsmall'),($url_text))));
$row->pushContent(
HTML::td(array("valign" => "top",
"nowrap" => 0,
"bgcolor" => $color),
HTML::span(array('class'=>'gensmall'),
($size[0].
" x ".
$size[1].
" pixels"))));
if ($desc != '')
$row->pushContent(
HTML::td(array("valign" => "top",
"nowrap" => 0,
"bgcolor" => $color),
HTML::span(array('class'=>'gensmall'),$desc)));
} elseif ($mode == 'thumbs') {
$desc = ($showdesc != 'none') ?
HTML::p(HTML::a(array("href" => "$url"),
$url_text)) : '';
$row->pushContent(
(HTML::td($cell,
$url_image,
// FIXME: no HtmlElement for fontsizes?
// rurban: use ->setAttr("style","font-size:small;")
// but better use a css class
HTML::span(array('class'=>'gensmall'),$desc)
)));
} elseif ($mode == 'normal') {
$desc = ($showdesc != 'none') ? HTML::p($value["desc"]) : '';
$row->pushContent(
(HTML::td($cell,
$url_image,
// FIXME: no HtmlElement for fontsizes?
HTML::span(array('class'=>'gensmall'),$desc)
)));
} elseif ($mode == 'slide') {
if ($newwidth == 'auto' || !$newwidth)
$newwidth = $this->newSize($size[0],$width);
if ($newwidth == 'auto' || !$newwidth)
$newwidth = $size[0];
if ($newheight != 'auto') $newwidth = round($size[0] * $newheight / $size[1]);
$desc = ($showdesc != 'none') ? HTML::p($value["desc"]) : '';
if ($count == 0)
$cell=array('style' => 'display: block; '
. 'position: absolute; '
. 'left: 50% ; '
. 'margin-left: -'.round($newwidth / 2).'px;'
. 'text-align: center; '
. 'vertical-align: top',
'name' => "wikislide".$count);
else
$cell=array('style' => 'display: none; '
. 'position: absolute ;'
. 'left: 50% ;'
. 'margin-left: -'.round($newwidth / 2).'px;'
. 'text-align: center; '
. 'vertical-align: top',
'name' => "wikislide".$count);
if ($align == 'left' || $align == 'right') {
if ($count == 0)
$cell=array('style' => 'display: block; '
.'position: absolute; '
. $align.': 50px; '
.'vertical-align: top',
'name' => "wikislide".$count);
else
$cell=array('style' => 'display: none; '
.'position: absolute; '
. $align.': 50px; '
.'vertical-align: top',
'name' => "wikislide".$count);
}
$row->pushContent(
(HTML::td($cell,
$url_image,
HTML::span(array('class'=>'gensmall'), $desc)
)));
$count ++;
} elseif ($mode == 'row') {
$desc = ($showdesc != 'none') ? HTML::p($value["desc"]) : '';
$row->pushContent(
HTML::table(array("style" => "display: inline"),
HTML::tr(HTML::td($url_image)),
HTML::tr(HTML::td(array("class" => "gensmall",
"style" => "text-align: center; "
."background-color: $color"),
$desc))
));
} else {
return $this->error(fmt("Invalid argument: %s=%s", 'mode', $mode));
}
// no more images in one row as defined by $numcols
if ( ($key + 1) % $numcols == 0 ||
($key + 1) == count($photos) ||
$p) {
if ($mode == 'row')
$html->pushcontent(HTML::span($row));
else
$html->pushcontent(HTML::tr($row));
$row->setContent('');
}
}
//create main table
$table_attributes = array("border" => 0,
"cellpadding" => 5,
"cellspacing" => 2,
"width" => $tablewidth);
if (!@empty($tableheight))
$table_attributes = array_merge($table_attributes,
array("height" => $tableheight));
if ($mode != 'row')
$html = HTML::table($table_attributes, $html);
// align all
return HTML::div(array("align" => $align), $html);
}
/**
* Calculate the new size in pixels when the original size
* with a value is given.
*
* @param integer $oldSize Absolute no. of pixels
* @param mixed $value Either absolute no. or HTML percentage e.g. '50%'
* @return integer New size in pixels
*/
function newSize($oldSize, $value) {
if (trim(substr($value,strlen($value)-1)) != "%") {
return $value;
}
$value = str_replace("%", "", $value);
return round(($oldSize*$value)/100);
}
/**
* fromLocation - read only one picture from fixed album_location
* and return it in array $photos
*
* @param string $src Name of page
* @param array $photos
* @return string Error if fixed location is not allowed
*/
function fromLocation($src, &$photos) {
/*if (!allow_album_location) {
return $this->error(_("Fixed album location is not allowed. Please specify parameter src."));
}*/
//FIXME!
if (! IsSafeURL($src)) {
return $this->error(_("Bad url in src: remove all of <, >, \""));
}
$photos[] = array ("name" => $src, //album_location."/$src".album_default_extension,
"desc" => "");
}
/**
* fromFile - read pictures & descriptions (separated by ;)
* from $src and return it in array $photos
*
* @param string $src path to dir or textfile (local or remote)
* @param array $photos
* @return string Error when bad url or file couldn't be opened
*/
function fromFile($src, &$photos, $webpath='') {
$src_bak = $src;
//there has a big security hole... as loading config/config.ini !
if (!preg_match('/(\.csv|\.jpg|\.jpeg|\.png|\.gif|\/)$/',$src)) {
return $this->error(_("File extension for csv file has to be '.csv'"));
}
if (! IsSafeURL($src)) {
return $this->error(_("Bad url in src: remove all of <, >, \""));
}
if (preg_match('/^(http|ftp|https):\/\//i', $src)) {
$contents = url_get_contents($src);
$web_location = 1;
} else
$web_location = 0;
if (!file_exists($src) and @file_exists(PHPWIKI_DIR . "/$src")) {
$src = PHPWIKI_DIR . "/$src";
}
// check if src is a directory
if (file_exists($src) and filetype($src) == 'dir') {
//all images
$list = array();
foreach (array('jpeg','jpg','png','gif') as $ext) {
$fileset = new fileSet($src, "*.$ext");
$list = array_merge($list, $fileset->getFiles());
}
// convert dirname($src) (local fs path) to web path
natcasesort($list);
if (! $webpath ) {
// assume relative src. default: "themes/Hawaiian/images/pictures"
$webpath = DATA_PATH . '/' . $src_bak;
}
foreach ($list as $file) {
// convert local path to webpath
$photos[] = array ("src" => $file,
"name" => $webpath . "/$file",
"name_tile" => $src . "/$file",
"src" => $src . "/$file",
"desc" => "");
}
return;
}
// check if $src is an image
foreach (array('jpeg','jpg','png','gif') as $ext) {
if (preg_match("/\.$ext$/", $src)) {
if (!file_exists($src) and @file_exists(PHPWIKI_DIR . "/$src"))
$src = PHPWIKI_DIR . "/$src";
if ($web_location == 1 and !empty($contents)) {
$photos[] = array ("src" => $src,
"name" => $src,
"name_tile" => $src,
"src" => $src,
"desc" => "");
return;
}
if (!file_exists($src))
return $this->error(fmt("Unable to find src='%s'", $src));
$photos[] = array ("src" => $src,
"name" => "../".$src,
"name_tile" => $src,
"src" => $src,
"desc" => "");
return;
}
}
if ($web_location == 0) {
$fp = @fopen($src, "r");
if (!$fp) {
return $this->error(fmt("Unable to read src='%s'", $src));
}
while ($data = fgetcsv($fp, 1024, ';')) {
if (count($data) == 0 || empty($data[0])
|| preg_match('/^#/',$data[0])
|| preg_match('/^[[:space:]]*$/',$data[0]))
continue;
if (empty($data[1])) $data[1] = '';
$photos[] = array ("name" => dirname($src)."/".trim($data[0]),
"location" => "../".dirname($src)."/".trim($data[0]),
"desc" => trim($data[1]),
"name_tile" => dirname($src)."/".trim($data[0]));
}
fclose ($fp);
} elseif ($web_location == 1) {
//TODO: checks if the file is an image
$contents = preg_split('/\n/',$contents);
while (list($key,$value) = each($contents)) {
$data = preg_split('/\;/',$value);
if (count($data) == 0 || empty($data[0])
|| preg_match('/^#/',$data[0])
|| preg_match('/^[[:space:]]*$/',$data[0]))
continue;
if (empty($data[1])) $data[1] = '';
$photos[] = array ("name" => dirname($src)."/".trim($data[0]),
"src" => dirname($src)."/".trim($data[0]),
"desc" => trim($data[1]),
"name_tile" => dirname($src)."/".trim($data[0]));
}
}
}
};
// $Log: PhotoAlbum.php,v $
// Revision 1.14 2005/10/12 06:19:07 rurban
// protect unsafe calls
//
// Revision 1.13 2005/09/26 06:39:55 rurban
// re-add lost mode=column|row. by Thomas Harding
//
// Revision 1.12 2005/09/20 19:34:51 rurban
// slide and thumbs mode by Thomas Harding
//
//
// Revision 1.14 2005/09/19 23:49:00 tharding
// added slide mode, correct url retrieving with url_get_contents
//
// Revision 1.13 2005/09/17 18:17:00 tharding
// add resized thumbnails (see ImageTile.php at top-level)
// comment url_get_contents (fopen can open a web location)
//
// Revision 1.11 2004/12/06 19:50:05 rurban
// enable action=remove which is undoable and seeable in RecentChanges: ADODB ony for now.
// renamed delete_page to purge_page.
// enable action=edit&version=-1 to force creation of a new version.
// added BABYCART_PATH config
// fixed magiqc in adodb.inc.php
// and some more docs
//
// Revision 1.10 2004/12/01 19:34:13 rurban
// Cleanup of CONSTANT pollution.
// renamed weblocation to url.
// allow any url.
// use fixed ";" CSV seperator
// fix substr_replace usage bug.
//
// Revision 1.9 2004/07/08 20:30:07 rurban
// plugin->run consistency: request as reference, added basepage.
// encountered strange bug in AllPages (and the test) which destroys ->_dbi
//
// Revision 1.8 2004/06/01 15:28:01 rurban
// AdminUser only ADMIN_USER not member of Administrators
// some RateIt improvements by dfrankow
// edit_toolbar buttons
//
// Revision 1.7 2004/05/03 20:44:55 rurban
// fixed gettext strings
// new SqlResult plugin
// _WikiTranslation: fixed init_locale
//
// Revision 1.6 2004/04/18 00:19:30 rurban
// better default example with local src, don't require weblocation for
// the default setup, better docs, fixed ini_get => get_cfg_var("allow_url_fopen"),
// no HttpClient lib yet.
//
// Revision 1.5 2004/03/09 12:10:23 rurban
// fixed getimagesize problem with local dir.
//
// Revision 1.4 2004/02/28 21:14:08 rurban
// generally more PHPDOC docs
// see http://xarch.tu-graz.ac.at/home/rurban/phpwiki/xref/
// fxied WikiUserNew pref handling: empty theme not stored, save only
// changed prefs, sql prefs improved, fixed password update,
// removed REPLACE sql (dangerous)
// moved gettext init after the locale was guessed
// + some minor changes
//
// Revision 1.3 2004/02/27 08:03:35 rurban
// Update from version 1.2 by Ted Vinke
// implemented the localdir support
//
// Revision 1.2 2004/02/17 12:11:36 rurban
// added missing 4th basepage arg at plugin->run() to almost all plugins. This caused no harm so far, because it was silently dropped on normal usage. However on plugin internal ->run invocations it failed. (InterWikiSearch, IncludeSiteMap, ...)
//
// Revision 1.1 2003/01/05 04:21:06 carstenklapp
// New plugin by Ted Vinke (sf tracker patch #661189)
//
// For emacs users
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
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