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19.01.2009 - 18:07 Uhr |
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Hallöchen,
Ich habe viele Galerien, die automatisch generiert werden. Dazu habe ich folgende Dateien:
Generell
template.html
phpslideshow.php
Pro Thema
heading.txt
pics.txt
Im heading.txt steht der Titel drin, der auf der jeweiligen Seite zuoberst angezeigt wird.
Im pics.txt liste ich alle Bilder auf und kann dazu eine Bildunterschrift eingeben im Stil von
bildname.jpg;Bildunterschrift
bildname2.jpg;noch ein Bild
Dabei werden die Bilder so gezeigt, wie ich sie hier liste.
Aktuell geht es mir um die Kulinarischen Genüsse, aber wenn ich eine Lösung finde, baue ich die natürlich überall ein.
Also, mir fehlen auf so einer Seite die meta-Tags (description und keywords). Ich habe bisher nur einen Hinweis auf
| | PHP-Quelltext <? require('metatags.php'); ?> | | |
gefunden. Dabei soll ich eine Textdatei mit den Metatags erstellen und sie dann in php umbenennen und irgendwo einbauen, vermutlich in der template.html, oder? Ich verstehe aber nicht so genau, was ich da machen muss.
Ich bräuchte für jede dieser Galerien eigene Metatags. Und ich hätte gerne, dass die Thumbnails einen alt- und einen title-Tag haben. Die grossen Bilder haben je einen (Klick für das nächste Bild...). Vermutlich kann ich für alle Thumbnails nur einen Text machen, aber das wäre ok, da würde ich dann Schlüsselwörter verwenden.
So, jetzt die Frage: Wie kriege ich das alles hin?
Ich füg mal noch schnell die Dateien ein:
phpslideshow.php
 Hier klicken zum aufklappen
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| | PHP-Quelltext
<?php
/*
PHPSlideShow v0.9 written by Greg Lawler
from http://www.zinkwazi.com/scripts
v0.9.9.1 Nov 2006 - stop infinite auto slideshow
v0.9.9 June 2006 - added auto thumbnail creation
v0.9.8 June 2006 - fixed the pics.txt special characters bug 
v0.9.7 May 2006 - fixed some Notify errors...
v0.9.6 Feb 2006 - Added the <NEXT_IMAGE> tag and javascrip preloading.
v0.9.5 Christmas 2005 - added sort by name and filmstrip thumbnail view
v0.9.2 Aug 2005 - depricated $GLOBALS[] replaced with _GET
v0.9.1 Aug 2005 - bug fixed to allow use on PHP < 4.3
v0.9 June 2005 - major re-write, now template based
v0.6.2 august 2002 - minor upgrade, added javascript notes
v0.6.1 july 2002 - fixed special character bug.
v0.6 july 2002 - added lots of formatting options and a security patch
v0.5.1 march 2002 - minor bug fixes, reg exp fix...
v0.5 march 2002 - osx path fix, page headings for multi dir, cleaner...
v0.4 july 10 2001
v0.3.5 july 5 2001
v0.3.4 april 19 2001
v0.3.3 january 9 2001
v0.3.1 september 29 2000 - added support for navigation image buttons
v0.3 september 12 2000 - added support for image descriptions
v0.2 august 28 2000
PHPSlideshow is relesed under the GPL
See the license at http://www.gnu.org/licenses/gpl.txt
Feel free to use/modify this little script
IMPORTANT NOTE.... ;)
if you want to send me a token of appreciation, i like coffee so
anything from http://www.starbucks.com/card will be gladly accepted ;)
my address is:
attention: greg lawler
801 alston road, santa barbara, ca 93108 usa
INSTALLATION: See README.txt
enjoy
greg
*/
// NOTE: your phpslideshow.php script will work "out of the box" and
// all layout and visual effects are controlled by the template.html file.
// you can fine tune your slideshow by editing some of these settings.
// ------------- BEGIN CONFIG SECTION --
// error reporting
// error_reporting(E_ALL);
// number of thumbnails to display if a thumbnail directory exists
// (note that this will be rounded down to an odd
// number if you use $thumbnail_view = "circular";.)
$thumb_row = 270;
// thumbnail directory name (no slashes needed)
$thumbnail_dir = "thumbnails";
// do you want to automatically generate thumbnails?
// if this is set to true, you will need to provide your web site
// ftp login info and web root directory below.
// NOTE: Thumbnails are created the first time you view the slideshow.
// $create_thumbnails = "true";
$create_thumbnails = "false";
// ftp user information for automatic thumbnails
$ftp_username = "your_username_here";
$ftp_password = "your_password_here";
// ftp web root directory (httpdocs, wwwroot, webroot etc.)
// this is the directory that your website is located in on your FTP login.
// (no slashes needed)
$ftp_web_root = "httpdocs";
// thumbnail size
$thumbnail_max_width = 72;
$thumbnail_max_height = 54;
// $thumbnail_style: "scale" will resize and maintain proportions to the original image
// "crop" will resize to exactly the thumbnail size you specify
$thumbnail_style = "crop";
// output quality: 60 = poor quality tiny file, 100 = best quality larger file...
$thumbnail_quality = 80;
// this should work as localhost but if not, insert your ftp server's name
$ftp_hostname = "localhost";
// sort/display images with newest or oldest on top or alphabetically by name.
// this has no effect when pics.txt is used.
// $sort_images = "oldest";
//$sort_images = "newest";
$sort_images = "name";
// thumbnail view: can be "filmstrip" or "circular"
//$thumbnail_view = "circular";
$thumbnail_view = "filmstrip";
// name of file containing optional page headings
$heading_info_file = "heading.txt";
// file containing optional image descriptions
$pic_info_file="pics.txt";
// language text for various areas...
$lang_back = "zurück";
$lang_next = "weiter";
$lang_of = "von";
$lang_stop_slideshow = "Stop Slideshow";
$lang_start_slideshow = "Start Slideshow";
$lang_img_hover = "Click für das nächste Bild...";
$lang_img_alt = "Slideshow Bild";
// automated slideshow options
// remember that you need <META_REFRESH> in the <head> section of your html
// AND the <AUTO_SLIDESHOW_LINK> tag in your page.
// $delay is the number of seconds to pause between slides...
$delay = 6;
// set to true to display navigation icons instead of text...
$show_navigation_buttons = "false";
$back_button = "/back.gif";
$next_button = "/next.gif";
// ------------- END CONFIG SECTION --
################################################################################
// begin code :: don't make changes below this line...
// initialize some stuff:
$auto_url = "";
$thumbnail_actual_width = "";
$thumbnail_actual_height = "";
// grab the variables we want set for newer php version compatability
$phpslideshow = isset($_GET['phpslideshow']) ? $_GET['phpslideshow'] : '';
$path_to_images = isset($_GET['directory']) ? $_GET['directory'] : '';
$currentPic = isset($_GET['currentPic']) ? $_GET['currentPic'] : '';
$browse = isset($_GET['browse']) ? $_GET['browse'] : '';
$auto = isset($_GET['auto']) ? $_GET['auto'] : '';
// check for platform dependent path info... (for windows and mac OSX)
$path = empty($HTTP_SERVER_VARS['PATH_INFO'])?
$HTTP_SERVER_VARS['PHP_SELF']:$HTTP_SERVER_VARS['PATH_INFO'];
// this only works on php > 4.3, replacing with file()
//if( file_exists( "template.html" ) ) $template = file_get_contents("template.html");
if( file_exists( "template.html" ) ) $template = implode("", file('template.html'));
else {
echo "<b>ERROR:</b> Can't find the template.html file!";
exit;
}
// check that the user did not change the path...
if (preg_match('  \.\.|^/|\ :', $path_to_images) || strpos($path_to_images, $thumbnail_dir) !== false) {
echo "<strong>ERROR:</strong> Your request contains an invalid path.<br />
Can not locate <strong>$path_to_images</strong> in this directory.<br />";
exit;
}
if (empty($path_to_images)) $path_to_images = ".";
// if there is no $heading_info_file (see format above) set page heading here
if ( !file_exists("$path_to_images/$heading_info_file")) {
$header = "PHPSlideshow by greg lawler at zinkwazi.com";
$title = "<a href=\"http://www.zinkwazi.com/\">PHPSlideshow by greg lawler at zinkwazi.com</a>";
}
else {
$heading_info = file("$path_to_images/$heading_info_file");
$header = "$heading_info[0]";
$title = $header;
}
$template = str_replace("<SHOW_TITLE>",$title,$template);
$template = str_replace("<WINDOW_TITLE>",$header,$template);
// image / text buttons
if ($show_navigation_buttons == "true") {
$back_src = "<img src='$back_button' alt='back' class='nav_buttons' class='nav_buttons'>";
$next_src = "<img src='$next_button' alt='next' class='nav_buttons' class='nav_buttons'>";
}
else {
$back_src = "$lang_back";
$next_src = "$lang_next";
}
if ( !file_exists("$path_to_images/$pic_info_file")) {
$dh = opendir( "$path_to_images" );
$pic_info = array();
$time_info = array();
while( $file = readdir( $dh ) ) {
// look for these file types....
if (preg_match('/(jpg|jpeg|gif|png)$/i',$file)) {
$time_info[] = filemtime("$path_to_images/$file");
$pic_info[] = $file;
}
}
if ($sort_images == 'name') {
natcasesort($pic_info);
$pic_info = array_reverse(array_reverse($pic_info)); //resetting array keys
}
else {
$sortorder = $sort_images == "oldest" ? SORT_ASC : SORT_DESC;
array_multisort($time_info, $sortorder, $pic_info, SORT_ASC, $time_info);
}
}
else {
$pic_info=file("$path_to_images/$pic_info_file");
}
// begin messing with the array
$number_pics = count ($pic_info);
if (($currentPic > $number_pics)||($currentPic == $number_pics)||!$currentPic)
$currentPic = '0';
$item = preg_split('/;/', rtrim($pic_info[$currentPic]), 2);
$last = $number_pics - 1;
$next = $currentPic + 1;
$next_item = @preg_split('/;/', rtrim($pic_info[$next]), 2);
if ($currentPic > 0 ) $back = $currentPic - 1;
else $currentPic = "0";
$blank = empty($item[1])?' ':$item[1];
if ($currentPic > 0 ) $nav=$back;
else $nav=$last;
$nav = "<a href='$path?directory=$path_to_images¤tPic=$nav'>$back_src</a>";
$current_show = "$path?directory=$path_to_images";
$next_link = "<a href='$path?directory=$path_to_images¤tPic=$next'>$next_src</a>";
$template = str_replace("<CURRENT_SHOW>",$current_show,$template);
$template = str_replace("<BACK>",$nav,$template);
$template = str_replace("<NEXT>",$next_link,$template);
$template = str_replace("<POSITION>","$next $lang_of $number_pics",$template);
// {{{ ------- EXIF stuff
//get comments from the EXIF data if available...
if(extension_loaded('exif')) {
$curr_image = "$path_to_images/$item[0]";
$all_exif = @exif_read_data($curr_image,0,true);
$exifhtml = @$all_exif['COMPUTED'];
$comment = @$all_exif['COMMENT'][0];
if (!empty($comment)) {
$template = str_replace("<EXIF_COMMENT>",$comment,$template);
}
}
// }}}
$image_title = isset($item[1]) ? $item[1] : '';
$template = str_replace("<IMAGE_TITLE>",$image_title,$template);
// {{{ ------- my_circular($a_images, $currentPic, $thumb_row);
function my_circular($thumbnail_dir, &$template, $a_images, $currentPic, $thumb_row, $path_to_images) {
global $path;
global $auto_url;
// get size of $a_images array...
$number_pics = count($a_images);
// do a little error checking...
if ($currentPic > $number_pics) $currentPic = 0;
if ($currentPic < 0) $currentPic = 0;
if ($thumb_row < 0) $thumb_row = 1;
// check if thumbnail row is greater than number of images...
if ($thumb_row > $number_pics) $thumb_row = $number_pics;
// split the thumbnail number and make it symmetrical...
$half = floor($thumb_row/2);
// show thumbnails
// left hand thumbs
if (($currentPic - $half) < 0) { // near the start...
$underage = ($currentPic-1) - $half;
for ( $x=($number_pics-abs($underage+1)); $x<$number_pics; $x++) {
$next=$x;
$item = preg_split('/;/', rtrim($a_images[$x]), 2);
$out .= "\n<a href='$path?directory=$path_to_images$auto_url¤tPic=$next' class='thumbnail'><img src='$path_to_images/$thumbnail_dir/".$item[0]."' class='thumbnail'></a>";
}
for ( $x=0; $x<$currentPic ; $x++ ) {
$next=$x;
$item = preg_split('/;/', rtrim($a_images[$x]), 2);
$out .= "\n<a href='$path?directory=$path_to_images$auto_url¤tPic=$next' class='thumbnail'><img src='$path_to_images/$thumbnail_dir/".$item[0]."' class='thumbnail'></a>";
}
}
else {
for ( $x=$currentPic-$half; $x < $currentPic; $x++ ) {
$next=$x;
$item = preg_split('/;/', rtrim($a_images[$x]), 2);
$out .= "\n<a href='$path?directory=$path_to_images$auto_url¤tPic=$next' class='thumbnail'><img src='$path_to_images/$thumbnail_dir/".$item[0]."' class='thumbnail'></a>";
}
}
// show current (center) image thumbnail...
$item = preg_split('/;/', rtrim($a_images[$currentPic]), 2);
$out .= "\n<img src='$path_to_images/$thumbnail_dir/".rtrim($item[0])."' class='thumbnail_center'>";
// array for right side...
if (($currentPic + $half) >= $number_pics) { // near the end
$overage = (($currentPic + $half) - $number_pics);
for ( $x=$currentPic+1; $x < $number_pics; $x++) {
$next=$x;
$item = preg_split('/;/', rtrim($a_images[$x]), 2);
$out .= "\n<a href='$path?directory=$path_to_images$auto_url¤tPic=$next' class='thumbnail'><img src='$path_to_images/$thumbnail_dir/".$item[0]."' class='thumbnail'></a>";
}
for ( $x=0; $x<=abs($overage); $x++) {
$next=$x;
$item = preg_split('/;/', rtrim($a_images[$x]), 2);
$out .= "\n<a href='$path?directory=$path_to_images$auto_url¤tPic=$next' class='thumbnail'><img src='$path_to_images/$thumbnail_dir/".$item[0]."' class='thumbnail'></a>";
}
}
else {
for ( $x=$currentPic+1; $x<=$currentPic+$half; $x++ ) { // right hand thumbs
$next=$x;
$item = preg_split('/;/', rtrim($a_images[$x]), 2);
$out .= "\n<a href='$path?directory=$path_to_images$auto_url¤tPic=$next' class='thumbnail'><img src='$path_to_images/$thumbnail_dir/".$item[0]."' class='thumbnail'></a>";
}
}
$template = str_replace("<THUMBNAIL_ROW>",$out,$template);
}
// }}}
// {{{ ------- my_filmstrip($a_images, $currentPic, $thumb_row);
function my_filmstrip($thumbnail_dir, &$template, $a_images, $currentPic, $thumb_row, $path_to_images) {
global $path;
global $auto_url;
// get size of $a_images array...
$number_pics = count($a_images);
// do a little error checking...
if ($currentPic > $number_pics) $currentPic = 0;
if ($currentPic < 0) $currentPic = 0;
if ($thumb_row < 0) $thumb_row = 1;
if ($thumb_row > $number_pics) $thumb_row = $number_pics;
if ($currentPic >= $thumb_row) {
$start = $currentPic - $thumb_row + 1;
}
else {
$start = 0;
}
$out = '';
for ($x = $start; $x < ($start + $thumb_row); $x++ ) {
$item = preg_split('/;/', rtrim($a_images[$x]), 2);
$class = $x == $currentPic ? 'thumbnail_center' : 'thumbnail';
$out .= "\n<a href='$path?directory=$path_to_images$auto_url¤tPic=$x' class='thumbnail'><img src='$path_to_images/$thumbnail_dir/".$item[0]."' class='$class'></a>";
}
$template = str_replace("<THUMBNAIL_ROW>",$out,$template);
}
// }}}
// {{{ meta refresh stuff for auto slideshow...
// thanks to tim barmann for the bandwidth saving hack to stop auto slideshow at the last image.
if (($auto == "1") && ($currentPic < $number_pics-1)) {
$auto_url = "&auto=1";
$meta_refresh = "<meta http-equiv='refresh' content='".$delay;
$meta_refresh .= ";url=".$path."?directory=".$path_to_images.$auto_url."¤tPic=".$next."'>";
$template = str_replace("<META_REFRESH>",$meta_refresh,$template);
$auto_slideshow = "<a href='$path?directory=$path_to_images¤tPic=$currentPic'>$lang_stop_slideshow</a>\n";
$template = str_replace("<AUTO_SLIDESHOW_LINK>",$auto_slideshow,$template);
}
else {
$template = str_replace("<META_REFRESH>","",$template);
$auto_slideshow = "<a href='$path?directory=$path_to_images&auto=1¤tPic=$next'>$lang_start_slideshow</a>\n";
$template = str_replace("<AUTO_SLIDESHOW_LINK>",$auto_slideshow,$template);
}
// }}}
$images = "<a href='$path?directory=$path_to_images$auto_url¤tPic=$next'>";
$images .= "<img src='$path_to_images/$item[0]' class='image' alt='$lang_img_alt' title='$lang_img_hover'></a>";
$template = str_replace("<IMAGE>",$images,$template);
$next_image = "$path_to_images/$next_item[0]";
$template = str_replace("<NEXT_IMAGE>",$next_image,$template); // useful for prefetching
if( file_exists( "$path_to_images/$thumbnail_dir" ) ) {
if( $thumbnail_view == "circular" ) {
my_circular($thumbnail_dir, $template, $pic_info, $currentPic, $thumb_row, $path_to_images);
}
else {
my_filmstrip($thumbnail_dir, $template, $pic_info, $currentPic, $thumb_row, $path_to_images);
}
}
$image_filename = "$item[0]";
$template = str_replace("<IMAGE_FILENAME>",$image_filename,$template);
// {{{ ----- create the thumbnails and set the permissions...
// the credit for this litte bit of genius goes to Jon from spiicytuna.org who suggested writing the directory
// and permissions via ftp and sent me some code to prove his point .
if ($create_thumbnails == "true") {
$full_www_path = dirname ($path);
$full_ftp_path = $ftp_web_root."/".$full_www_path;
$thumbnail = $path_to_images."/".$thumbnail_dir."/".$item[0];
if (file_exists($thumbnail)) {
// echo "The thumbnail $thumbnail exists";
} else {
// create the thumbnail directory for writing
create_directory($full_ftp_path, $thumbnail_dir, $path_to_images, $ftp_hostname, $ftp_username, $ftp_password);
// location of the original image
$sourcefile = "$path_to_images/$item[0]";
// output file
$targetfile = $thumbnail;
/* Create a new image object (not neccessarily true colour) */
$source_id = null;
// prep according to image type
if (preg_match('/(jpg|jpeg)$/i',$sourcefile)) $source_id = imageCreatefromjpeg("$sourcefile");
elseif (preg_match('/(png)$/i',$sourcefile)) $source_id = imageCreatefrompng("$sourcefile");
elseif (preg_match('/(gif)$/i',$sourcefile)) $source_id = imageCreatefromgif("$sourcefile");
else die("Unknown image file type");
/* Get the dimensions of the source picture */
$source_width = imagesx($source_id);
$source_height = imagesy($source_id);
// scale or crop during thumbnail resize
$scale = max($thumbnail_max_width/$source_width, $thumbnail_max_height/$source_height);
if($scale < 1) {
$thumbnail_actual_width = floor($scale * $source_width);
$thumbnail_actual_height = floor($scale * $source_height);
$target_id=imagecreatetruecolor($thumbnail_actual_width, $thumbnail_actual_height);
if(function_exists('imagecopyresampled')) {
$target_pic=imagecopyresampled($target_id,$source_id,0,0,0,0,$thumbnail_actual_width,$thumbnail_actual_height,$source_width,$source_height);
}
else {
$target_pic=imagecopyresized($target_id,$source_id,0,0,0,0,$thumbnail_actual_width,$thumbnail_actual_height,$source_width,$source_height);
}
imagedestroy($source_id);
$source_id = $target_id;
}
if($thumbnail_style == "crop") {
$target_id=imagecreatetruecolor($thumbnail_max_width, $thumbnail_max_height);
if(function_exists('imagecopyresampled')) {
$target_pic=imagecopyresampled($target_id,$source_id,0,0,0,0,$thumbnail_max_width,$thumbnail_max_height,$thumbnail_max_width,$thumbnail_max_height);
}
else {
$target_pic=imagecopyresized($target_id,$source_id,0,0,0,0,$thumbnail_max_width,$thumbnail_max_height,$thumbnail_max_width,$thumbnail_max_height);
}
imagedestroy($source_id);
$source_id = $target_id;
}
imagejpeg ($target_id,"$targetfile",$thumbnail_quality);
}
}
// {{{ ----- create_directory($full_ftp_path, $thumbnail_dir, $path_to_images, $ftp_hostname, $ftp_username, $ftp_password)
function create_directory($full_ftp_path, $thumbnail_dir, $path_to_images, $ftp_hostname, $ftp_username, $ftp_password) {
$new_thumbnail_dir = $path_to_images."/".$thumbnail_dir;
//check to see if the directory is already there....
if(file_exists($new_thumbnail_dir)){
// check permissions for writing
if (!is_writable($new_thumbnail_dir)) {
chmod_ftp_directory($full_ftp_path, $thumbnail_dir, $path_to_images, $ftp_hostname, $ftp_username, $ftp_password);
}
}
else{
$conn_id = ftp_connect($ftp_hostname);
// login with username and password
$login_result = ftp_login($conn_id, $ftp_username, $ftp_password);
// try to chmod $path directory
if (!ftp_chdir($conn_id, $full_ftp_path)) die("FTP ERROR: ftp_web_root directory not found.");
if(ftp_mkdir($conn_id, $new_thumbnail_dir)) {
ftp_site($conn_id, "CHMOD 777 $new_thumbnail_dir") or die("FTP ERROR: unable to write to server.");
return true;
} else {
return false;
}
// close the FTP connection
ftp_close($conn_id);
return true;
}
}
// }}}
// {{{ ----- function chmod_ftp_directory($full_ftp_path, $thumbnail_dir, $path_to_images, $ftp_hostname, $ftp_username, $ftp_password)
function chmod_ftp_directory($full_ftp_path, $thumbnail_dir, $path_to_images, $ftp_hostname, $ftp_username, $ftp_password) {
$new_thumbnail_dir = $path_to_images."/".$thumbnail_dir;
$conn_id = ftp_connect($ftp_hostname);
// login with username and password
$login_result = ftp_login($conn_id, $ftp_username, $ftp_password);
// try to chmod $path directory
if (!ftp_chdir($conn_id, $full_ftp_path)) die("FTP ERROR: ftp_web_root directory not found.");
if (!ftp_site($conn_id, "CHMOD 777 $new_thumbnail_dir")) die("FTP ERROR: unable to write to server.");
// close the FTP connection
ftp_close($conn_id);
return true;
}
// }}}
// }}}
echo $template;
?>
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template.html
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| Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von Filou - 19.01.2009 - 18:24 Uhr |
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