Basic dataformat, files and directories are now in place.

1 files changed, 303 insertions, 0 deletions

diff --git a/utils/modules/gallery.php b/utils/modules/gallery.php
new file mode 100644
index 0000000..b3f410d
--- /dev/null
+++ b/utils/modules/gallery.php
@@ -0,0 +1,303 @@
+<?php
+/* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+
+include_once($UTIL_DIR . "/convert.php");
+include_once($UTIL_DIR . "/markdown.php");
+include_once($UTIL_DIR . "/modules.php");
+
+function isJpeg($file)
+{
+	$parts = explode(".", $file);
+	$suffix = $parts[sizeof($parts) - 1];
+	$suffix = strtolower($suffix);
+	return $suffix == "jpg" || $suffix == "jpeg";
+}
+
+function cleanUp($dir)
+{
+	$d = opendir($dir);
+	while(false !== ($f = readdir($d))) {
+		if($f == '.' || $f == '..') continue;
+		if(is_dir($f)) cleanUp($dir . "/" . $f);
+		else unlink($dir . "/" . $f);
+	}
+	closedir($d);
+
+	rmdir($dir);
+}
+
+class Photo {
+	public $id;
+	private $path;
+  public $title;
+	public $image;
+
+  public function write($fp)
+  {
+    fwrite($fp, "    <photo id=\"" .
+	   htmlspecialchars($this->id, ENT_QUOTES, "UTF-8") . "\"\n");
+    fwrite($fp, "           title=\"" .
+	   htmlspecialchars($this->title, ENT_QUOTES, "UTF-8") . "\"\n");
+    fwrite($fp, "           image=\"" .
+	   htmlspecialchars($this->image, ENT_QUOTES, "UTF-8") . "\"/>\n");
+  }
+
+  public function show()
+  {
+		$str = "<p>\n";
+		$str .= "  <img src=\"" . $this->path . "/" . $this->image . "\" width=\"100\"/><br/>\n";
+		$str .= "  " . $this->title . "\n";
+		$str .= "</p>\n";
+		return $str;
+  }
+
+  public function Photo($path, $id, $title, $image)
+  {
+		$this->path = $path;
+		$this->id = $id;
+    $this->title = $title;
+		$this->image = $image;
+  }
+}
+
+
+class Album {
+	public $id;
+  public $title;
+	public $copyright;
+	public $enabled;
+	public $photos = array();
+
+	public function add($photo)
+	{
+		$this->photos[$photo->id] = $photo;
+	}
+
+  public function write($fp)
+  {
+    fwrite($fp, "  <album id=\"" .
+	   htmlspecialchars($this->id, ENT_QUOTES, "UTF-8") . "\"\n");
+    fwrite($fp, "         title=\"" .
+	   htmlspecialchars($this->title, ENT_QUOTES, "UTF-8") . "\"\n");
+    fwrite($fp, "         copyright=\"" .
+	   htmlspecialchars($this->copyright, ENT_QUOTES, "UTF-8") . "\"\n");
+    fwrite($fp, "         icon=\"" .
+	   htmlspecialchars($this->icon, ENT_QUOTES, "UTF-8") . "\"\n");
+    fwrite($fp, "         enabled=\"" .
+	   htmlspecialchars($this->enabled, ENT_QUOTES, "UTF-8") . "\">\n");
+		foreach($this->photos as $photo) {
+			$photo->write($fp);
+		}
+    fwrite($fp, "  </album>\n");
+  }
+
+  public function show()
+  {
+		$str = "<p>\n";
+		$str .= "<img src=\"" . $this->getPath() . "/" . $this->photos[$this->icon]->image . "\" width=\"64\"/>\n";
+		$str .= "<strong>" . $this->title . "</strong>\n";
+		$str .= "</p>\n";
+		foreach($this->photos as $photo) {
+			$str .= $photo->show();
+		}
+		return $str;
+  }
+
+	public function getPath()
+	{
+		global $ALBUMS_DIR;
+		return $ALBUMS_DIR . "/" . $this->id;
+	}
+
+	public function getNextID()
+	{
+		$maxid = 0;
+    foreach($this->photos as $photo) {
+      if($photo->id > $nextid) $maxid = $photo->id;
+    }
+		return $maxid + 1;
+	}
+
+  public function Album($id, $title, $copyright, $icon, $enabled)
+  {
+		$this->id = $id;
+    $this->title = $title;
+		$this->copyright = $copyright;
+		$this->icon = $icon;
+		$this->enabled = $enabled;
+  }
+}
+
+function unpackImages($zipfile, $album)
+{
+	if(is_uploaded_file($zipfile['tmp_name'])) {
+		echo "File ". $zipfile['name'] ." uploaded successfully.\n";
+
+		//
+		// Unzip file
+		//
+		// http://dk.php.net/manual/en/book.zip.php
+		$zip = new ZipArchive();
+		$zip->open($zipfile['tmp_name']);
+		$folder = $zipfile['tmp_name'].'.unzip';
+		$zip->extractTo($folder);
+		
+		//
+		// Look at EXIF header (Image Description) and move images
+		//
+		// http://dk.php.net/manual/en/book.exif.php
+		if(!file_exists($album->getPath())) mkdir($album->getPath());
+ 		$d = opendir($folder);
+		while(false !== ($f = readdir($d))) {
+			if(!isJpeg($f)) continue;
+			$tags = exif_read_data($folder . "/" . $f, "ANY_TAG");
+			rename($folder . "/" . $f, $album->getPath() . "/" . $f);
+			$photo = new Photo($album->getPath(), $album->getNextID(), $tags['ImageDescription'], $f);
+			$album->add($photo);
+		}
+		closedir($d);
+
+		//
+		// Clean up (recursively)
+		//
+		cleanUp($folder);
+	}
+}
+
+class Gallery {
+
+  private $file;
+  private $albums = array();
+
+  // Admin config
+  public $admin_title = "Gallery";
+  public $admin_submodules = array("New gallery" => "newgallery");
+
+  public function admin_newgallery($action, $vars)
+  {
+		global $ALBUMS_DIR;
+    switch($action) {
+		case "create":
+			$album = new Album($this->getNextID(), $vars['title'], $vars['copyright'], "1", $vars['enabled']);
+			unpackImages($_FILES['images'], $album);
+			$this->add($album);
+			$this->write();
+			echo $album->show();
+			break;	
+
+    case "select":
+    default:
+      beginform("create", true);
+			lineedit("Album title:", "title");
+			lineedit("Album copyright:", "copyright");
+			lineedit("Album enabled:", "enabled", "true");
+      fileupload("Select image archive:", "images", "application/zip");
+      button("Create");
+      endform();
+      break;
+    }
+  }
+
+  public function admin($sub, $action, $vars)
+  {
+    switch($sub) {
+    case "newgallery":
+      $this->admin_newgallery($action, $vars);
+      break;
+    }
+  }
+
+  public function run($params)
+  {
+		$str = "";
+    foreach($params as $param) {
+      switch($param) {
+			default:
+				foreach($this->albums as $album) {
+					$str .= $album->show();
+				}
+				break;
+      }
+    }
+		return $str;
+  }
+
+  public function add($album) {
+		$this->albums[$album->id] = $album;
+  }
+	
+	public function getNextID()
+	{
+		$maxid = 0;
+    foreach($this->albums as $album) {
+      if($album->id > $nextid) $maxid = $album->id;
+    }
+		return $maxid + 1;
+	}
+
+  public function write()
+  {
+    $fp = fopen($this->file, "w");
+    fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+
+    fwrite($fp, "<gallery>\n");
+    foreach($this->albums as $album) {
+      $album->write($fp);
+    }
+    fwrite($fp, "</gallery>\n");
+
+    fclose($fp);
+  }
+	
+	private function read()
+	{
+		$dom = new DomDocument;
+		$dom->resolveExternals = FALSE;
+		$dom->substituteEntities = FALSE;
+		$dom->preserveWhiteSpace = FALSE;
+		$dom->load($this->file);
+		
+		$gallery = $dom->documentElement;
+		//		$this->width = $gallery->getAttribute('width');
+
+		foreach($gallery->childNodes as $albumElem) {
+
+			if($albumElem->tagName != "album") continue;
+
+			$album = new Album($albumElem->getAttribute('id'),
+												 $albumElem->getAttribute('title'),
+												 $albumElem->getAttribute('copyright'),
+												 $albumElem->getAttribute('icon'),
+												 $albumElem->getAttribute('enabled'));
+			
+			foreach($albumElem->childNodes as $photoElem) {
+				if($photoElem->tagName != "photo") continue;
+
+				$photo = new Photo($album->getPath(),
+													 $photoElem->getAttribute('id'),
+													 $photoElem->getAttribute('title'),
+													 $photoElem->getAttribute('image'));
+				$album->add($photo);
+
+			}
+			
+			$this->add($album);
+
+		}
+	}
+
+  public function Gallery($file)
+  {
+    $this->file =  $file;
+		if(file_exists($file)) $this->read();
+  }
+
+}
+
+function gallery_init()
+{
+  global $DATA_DIR;
+  return new Gallery($DATA_DIR . "/gallery.xml");
+}
+
+?>