Code: Alles auswählen
<?
/***********************************************
* CONTENIDO MODUL - OUTPUT
*
* Modulname : w3concepts.gallery.v1
* Author : Andreas Kummer
* Copyright : mumprecht & kummer w3concepts
* Created : 30-08-2004
* Modified : 30-08-2004
************************************************/
class gallery {
function gallery() {
// initialwerte setzen
$this->setInitValues();
// aussteigen, falls initialwerte nicht sinnvoll
if (!$this->checkInitValues()) return false;
// quellverzeichnis auslesen
$this->readDir();
// zeiger für showNextPicture setzen
if (empty($_REQUEST['pos'])) {
$this->showNextPictureSeq = -1;
} else {
$this->showNextPictureSeq = $_REQUEST['pos'] - 1;
}
// datenbankzugriff initialisieren
$this->db = new DB_Contenido;
// galerie ausgeben
$this->showGallery();
// gegebenenfalls navigation ausgeben
$this->showNavigation();
}
function setInitValues() {
// konfigurationswerte aus dem input-script
// übernehmen
$this->path['pictures'] = "CMS_VALUE[0]";
$this->path['thumbs'] = "CMS_VALUE[1]";
$this->path['upload'] = $GLOBALS['cfgClient']["{$GLOBALS['client']}"]['upload'];
$this->path['html'] = $GLOBALS['cfgClient']["{$GLOBALS['client']}"]['path']['htmlpath'];
$this->abspath['pictures'] = $GLOBALS['cfgClient']["{$GLOBALS['client']}"]['path']['frontend'].$GLOBALS['cfgClient']["{$GLOBALS['client']}"]['upload'].$this->path['pictures'];
$this->abspath['thumbs'] = $GLOBALS['cfgClient']["{$GLOBALS['client']}"]['path']['frontend'].$GLOBALS['cfgClient']["{$GLOBALS['client']}"]['upload'].$this->path['thumbs'];
$this->htmlpath = $GLOBALS['cfgClient']["{$GLOBALS['client']}"]['path']['htmlpath'].$GLOBALS['cfgClient']["{$GLOBALS['client']}"]['upload'];
$this->thumbnailSize['width'] = "CMS_VALUE[2]";
$this->thumbnailSize['height'] = "CMS_VALUE[3]";
$this->tableSize['cols'] = "CMS_VALUE[4]";
$this->tableSize['rows'] = "CMS_VALUE[5]";
$this->link['previous'] = "CMS_VALUE[6]";
$this->link['next'] = "CMS_VALUE[7]";
}
function checkInitValues() {
// prüfen, ob es sich bei den übergebenen pfaden
// um tatsächlich vorhandene pfade im dateisystem
// handelt. gegebenenfalls wird eine ausgabe
// an den browser vorgenommen und false zurückgegeben.
if (!chdir($this->abspath['pictures'])) {
echo "<p>Das Verzeichnis '{$this->abspath['pictures']}' existiert im Dateisystem
des Servers nicht. Entweder müssen Sie es noch anlegen oder die
Konfiguration Ihres Modules anpassen.</p>";
return false;
}
if (!chdir($this->abspath['thumbs'])) {
echo "<p>Das Verzeichnis '{$this->abspath['thumbs']}' existiert im Dateisystem
des Servers nicht. Entweder müssen Sie es noch anlegen oder die
Konfiguration Ihres Modules anpassen.</p>";
return false;
}
if ($this->thumbnailSize['width'] == '') $this->thumbnailSize['width'] = 100;
if ($this->thumbnailSize['height'] == '') $this->thumbnailSize['height'] = 100;
if ($this->tableSize['cols'] == '') $this->tableSize['cols'] = 3;
if ($this->tableSize['rows'] == '') $this->tableSize['rows'] = 3;
if ($this->link['previous'] == '') $this->link['previous'] = '[:: rückwärts ]';
if ($this->link['next'] == '') $this->link['next'] = '[ vorwärts ::]';
// rückgabe im erfolgsfall
return true;
}
function readDir() {
$dir = opendir($this->abspath['pictures']);
while ($file = readdir($dir)) {
$bildinfo = @getimagesize($this->abspath['pictures'].$file);
if (!empty($bildinfo)) {
$picture[] = $file;
}
}
rsort($picture);
closedir($dir);
foreach ($picture as $picture2) {
if (!empty($picture2)) $this->picture[] = $picture2;
}
}
function showNextPicture() {
// zeiger um eins erhöhen
$this->showNextPictureSeq++;
// wenn keine bild mehr vorhanden ist, false zurück geben
if ($this->showNextPictureSeq >= count($this->picture)) return '';
// thumbnail generieren falls erforderlich
$size = $this->generateThumb($this->picture["{$this->showNextPictureSeq}"]);
// originalgrösse des bildes ermitteln
$originalsize = getimagesize($this->abspath['pictures'].$this->picture["{$this->showNextPictureSeq}"]);
// referenz zurück geben
//return "<a href=\"#\" onClick=\"window.open('{$this->path['html']}popupviewer.php?uri={$this->path['upload']}{$this->path['pictures']}{$this->picture[$this->showNextPictureSeq]}','bild','width={$originalsize[0]},height={$originalsize[1]},top=10,left=10,scrollbars=no,topmargin=0,leftmargin=0');bild.document.body.style.margin=0;\"><img src=\"{$this->htmlpath}{$size['filename']}\" width=\"{$size['width']}\" height=\"{$size['height']}\" /></a>";
return "<a href=\"javascript:window.open('{$this->path['html']}popupviewer.php?uri={$this->path['upload']}{$this->path['pictures']}{$this->picture[$this->showNextPictureSeq]}','bild','width={$originalsize[0]},height={$originalsize[1]},top=10,left=10,scrollbars=no,topmargin=0,leftmargin=0');bild.document.body.style.margin=0;\"><img src=\"{$this->htmlpath}{$size['filename']}\" width=\"{$size['width']}\" height=\"{$size['height']}\" /></a>";
}
function generateThumb($filename) {
$src_image_size = getimagesize($this->abspath['pictures'].$filename);
// prüfen, ob thumbnail bereits vorhanden ist
if (!file_exists("{$this->abspath['thumbs']}{$this->thumbnailSize['width']}.{$this->thumbnailSize['height']}.$filename.jpg")) {
// ermitteln ob das bild auf bestimmte höhe oder bestimmte breite zu reduzieren ist
// sowie ermitteln, um welchen faktor das bild zu verkleinern ist
if ($src_image_size[0]/$src_image_size[1] > $this->thumbnailSize['width']/$this->thumbnailSize['height']) {
$verkleinerungsfaktor = $this->thumbnailSize['width']/$src_image_size[0];
} else {
$verkleinerungsfaktor = $this->thumbnailSize['height']/$src_image_size[1];
}
// berechnen der thumbnailgrösse
$bildhoehe = round($src_image_size[1] * $verkleinerungsfaktor);
$bildbreite = round($src_image_size[0] * $verkleinerungsfaktor);
// thumbnail erstellen
$dst_im = imagecreatetruecolor($bildbreite,$bildhoehe);
if ($src_image_size[2] == 1) {
$src_im = imagecreatefromGIF("{$this->abspath['pictures']}$filename");
} elseif ($src_image_size[2] == 2) {
$src_im = @ImageCreateFromJPEG("{$this->abspath['pictures']}$filename");
} else {
$src_im = @imagecreatefromgd("{$this->abspath['pictures']}$filename");
}
imagecopyresampled ($dst_im,$src_im,0,0,0,0,$bildbreite,$bildhoehe,$src_image_size[0],$src_image_size[1]);
imagejpeg ($dst_im,"{$this->abspath['thumbs']}{$this->thumbnailSize['width']}.{$this->thumbnailSize['height']}.$filename.jpg",100);
$size['width'] = $bildbreite;
$size['height'] = $bildhoehe;
} else {
$thumbnailsize = getimagesize("{$this->abspath['thumbs']}{$this->thumbnailSize['width']}.{$this->thumbnailSize['height']}.$filename.jpg");
$size['width'] = $thumbnailsize[0];
$size['height'] = $thumbnailsize[1];
}
$size['filename'] = "{$this->path['thumbs']}{$this->thumbnailSize['width']}.{$this->thumbnailSize['height']}.$filename.jpg";
return $size;
}
function getDescription() {
$sql = "SELECT description FROM {$GLOBALS['cfg']['tab']['upl']}
WHERE
filename = '{$this->picture[$this->showNextPictureSeq]}'
AND dirname = '{$this->path['pictures']}'
";
$this->db->query($sql);
$this->db->next_record();
return $this->db->f("description");;
}
function showGallery() {
$cellwidth = floor(100/$this->tableSize['cols']);
echo "<table width=\"100%\">\n";
for ($i = 0;$i < $this->tableSize['rows'];$i++) {
$beschreibung = null;
echo "<tr>\n";
for ($j = 0;$j < $this->tableSize['cols'];$j++) {
echo "<td align=\"left\" valign=\"top\" width=\"$cellwidth%\">\n".$this->showNextPicture()."\n</td>\n";
$beschreibung[] = $this->getDescription();
}
echo "</tr>\n";
echo "<tr>\n";
for ($j = 0;$j < $this->tableSize['cols'];$j++) {
echo "<td align=\"left\" valign=\"top\" width=\"$cellwidth%\" style=\"padding-bottom:10px; font-style: italic;\">\n{$beschreibung[$j]}\n</td>\n";
}
echo "</tr>\n";
}
echo "</table>\n";
}
function showNavigation() {
if ($this->tableSize['cols'] * $this->tableSize['rows'] < count($this->picture)) {
echo "<table width=\"100%\">\n<tr>\n";
if (!empty($_REQUEST['pos'])) {
$pos = ($this->showNextPictureSeq <= $this->tableSize['cols'] * $this->tableSize['rows']) ? (0) : ($this->showNextPictureSeq - (2 * $this->tableSize['cols'] * $this->tableSize['rows']) + 1);
$pos = ($pos < 0) ? (0) : ($pos);
$link = $GLOBALS['sess']->url("front_content.php?client={$GLOBALS['client']}&lang={$GLOBALS['lang']}&idcat={$GLOBALS['idcat']}&idart={$GLOBALS['idart']}&pos=$pos");
echo "<td style=\"text-align:left; width:33%\"><a href=\"$link\">{$this->link['previous']}</a></td>";
} else {
echo "<td style=\"text-align:left; width:33%\"> </td>";
}
echo "<td align=\"center\" width=\"33%\"> </td>";
if ($this->showNextPictureSeq + 1 < count($this->picture)) {
$pos = $this->showNextPictureSeq + 1;
$link = $GLOBALS['sess']->url("front_content.php?client={$GLOBALS['client']}&lang={$GLOBALS['lang']}&idcat={$GLOBALS['idcat']}&idart={$GLOBALS['idart']}&pos=$pos");
echo "<td style=\"text-align:right; width:33%\"><a href=\"$link\">{$this->link['next']}</a></td>";
} else {
echo "<td style=\"text-align:right; width:33%\"> </td>";
}
echo "</tr>\n</table>\n";
}
}
}
$gallery = new gallery();
?>
andreas