remove unity from template, its now provided via php script
[phpfspot.git] / phpfspot.class.php
index af51752f8f0b56cabe8b090b7b350de7d789b644..4468a5e719b25920fb5a7b61f80ec49dfece20cd 100644 (file)
@@ -16,10 +16,14 @@ class PHPFSPOT {
 
    public function __construct()
    {
-      $this->cfg = new PHPFSPOT_CFG;
+      /* Check necessary requirements */
+      if(!$this->checkRequirements()) {
+         exit(1);
+      }
 
-      $this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
+      $this->cfg = new PHPFSPOT_CFG;
 
+      $this->db  = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
       $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
       $this->check_config_table();
 
@@ -47,12 +51,24 @@ class PHPFSPOT {
       $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
       $this->tmpl->assign('page_title', $this->cfg->page_title);
       $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
+
+      switch($_GET['mode']) {
+         case 'showpi':
+            if(isset($_GET['tags'])) {
+               $_SESSION['selected_tags'] = split(',', $_GET['tags']);
+            }
+            break;
+      }
+
+      $this->tmpl->assign('content_page', 'welcome.tpl');
       $this->tmpl->show("index.tpl");
 
+
    } // show()
 
    private function get_tags()
    {
+   
       $this->avail_tags = Array();
       $count = 0;
    
@@ -117,18 +133,47 @@ class PHPFSPOT {
          }
       }
 
-
       $details = $this->get_photo_details($photo);
-      $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
-      $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
-   
-      $this->tmpl->assign('width', $info[0]);
-      $this->tmpl->assign('height', $info[1]);
-      $this->tmpl->assign('c_date', $meta['DateTime']);
-      $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
-      $this->tmpl->assign('image_name', $details['name']);
-      $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
-      $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
+      $orig_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
+      $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
+
+      if(!file_exists($orig_path)) {
+         $this->_warning("Photo ". $orig_path ." does not exist!<br />\n");
+      }
+
+      if(!is_readable($orig_path)) {
+         $this->_warning("Photo ". $orig_path ." is not readable for user ". get_current_user() ."<br />\n");
+      }
+
+      /* If the thumbnail doesn't exist yet, try to create it */
+      if(!file_exists($thumb_path)) {
+         $this->gen_thumb($photo, true);
+      }
+
+      $meta = $this->get_meta_informations($orig_path);
+
+      if(file_exists($thumb_path)) {
+
+         $info = getimagesize($thumb_path);
+
+         $this->tmpl->assign('description', $details['description']);
+         $this->tmpl->assign('image_name', $details['name']);
+
+         $this->tmpl->assign('width', $info[0]);
+         $this->tmpl->assign('height', $info[1]);
+         $this->tmpl->assign('ExifMadeOn', strftime("%a %x %X", $meta['FileDateTime']));
+         $this->tmpl->assign('ExifMadeWith', $meta['Make'] ." ". $meta['Model']);
+         $this->tmpl->assign('ExifOrigResolution', $meta['ExifImageWidth'] ."x". $meta['ExifImageLength']);
+         $this->tmpl->assign('ExifFileSize', round($meta['FileSize']/1024, 1));
+    
+         $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&amp;width=". $this->cfg->photo_width);
+         $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
+
+         $this->tmpl->assign('tags', $this->get_photo_tags($photo));
+      }
+      else {
+         $this->_warning("Can't open file ". $thumb_path ."\n");
+      }
 
       if($previous_img) {
          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
@@ -147,8 +192,10 @@ class PHPFSPOT {
       $result = $this->db->db_query("
          SELECT tag_id as id, count(tag_id) as quantity
          FROM photo_tags
+         INNER JOIN tags t
+            ON t.id = tag_id
          GROUP BY tag_id
-         ORDER BY tag_id ASC
+         ORDER BY t.name ASC
       ");
 
       $tags = Array();
@@ -187,9 +234,9 @@ class PHPFSPOT {
           // and add the $min_size set above
          $size = $min_size + (($value - $min_qty) * $step);
           // uncomment if you want sizes in whole %:
-          // $size = ceil($size);
+         $size = ceil($size);
 
-         print "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>&nbsp;";
+         print "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>";
 
       }
 
@@ -213,7 +260,8 @@ class PHPFSPOT {
       if(!isset($_SESSION['selected_tags']))
          $_SESSION['selected_tags'] = Array();
 
-      array_push($_SESSION['selected_tags'], $tag);
+      if(!in_array($tag, $_SESSION['selected_tags']))
+         array_push($_SESSION['selected_tags'], $tag);
    
    } // addTag()
 
@@ -233,6 +281,12 @@ class PHPFSPOT {
 
    } // resetTags()
 
+   public function resetTagSearch()
+   {
+      unset($_SESSION['searchfor']);
+
+   } // resetTagSearch()
+
    public function getPhotoSelection()
    {  
       $tagged_photos = Array();
@@ -256,7 +310,7 @@ class PHPFSPOT {
       }
 
       /* return according the selected tags */
-      if(isset($_SESSION['selected_tags'])) {
+      if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
          $selected = "";
          foreach($_SESSION['selected_tags'] as $tag)
             $selected.= $tag .",";
@@ -330,18 +384,41 @@ class PHPFSPOT {
 
       $count = count($photos);
 
+      if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0)
+         $begin_with = 0;
+      else
+         $begin_with = $_SESSION['begin_with'];
+
+      if($this->cfg->rows_per_page == 0)
+         $end_with = $count;
+      else
+         $end_with = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+
+   
       $rows = 0;
       $cols = 0;
       $images[$rows] = Array();
+      $img_height[$rows] = Array();
+      $img_width[$rows] = Array();
 
-      for($i = 0; $i < $count; $i++) {
+      for($i = $begin_with; $i < $end_with; $i++) {
 
          $images[$rows][$cols] = $photos[$i];
 
+         $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->thumb_width ."_". $this->getMD5($photos[$i]);
+
+         if(file_exists($thumb_path)) {
+            $info = getimagesize($thumb_path); 
+            $img_width[$rows][$cols] = $info[0];
+            $img_height[$rows][$cols] = $info[1];
+         }
+
          if($cols == $this->cfg->thumbs_per_row-1) {
             $cols = 0;
             $rows++;
             $images[$rows] = Array();
+            $img_width[$rows] = Array();
+            $img_height[$rows] = Array();
          }
          else {
             $cols++;
@@ -354,9 +431,31 @@ class PHPFSPOT {
       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
          $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
 
+      if($this->cfg->rows_per_page != 0) {
+         $previous_start = $begin_with - ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+         $next_start = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+
+         if($begin_with != 0) 
+            $this->tmpl->assign("previous_url", "javascript:showPhotoIndex(". $previous_start .");"); 
+         if($end_with < $count)
+            $this->tmpl->assign("next_url", "javascript:showPhotoIndex(". $next_start .");"); 
+      }
+
+      $current_tags = "";
+      if($_SESSION['selected_tags'] != "") {
+         foreach($_SESSION['selected_tags'] as $tag)
+            $current_tags.= $tag .",";
+         $current_tags = substr($current_tags, 0, strlen($current_tags)-1);
+      }
+
+      $extern_link = "http://". $_SERVER['SERVER_NAME'] ."/index.php?mode=showpi&tags=". $current_tags;
+
+      $this->tmpl->assign('extern_link', $extern_link);
       $this->tmpl->assign('count', $count);
       $this->tmpl->assign('width', $this->cfg->thumb_width);
       $this->tmpl->assign('images', $images);
+      $this->tmpl->assign('img_width', $img_width);
+      $this->tmpl->assign('img_height', $img_height);
       $this->tmpl->assign('rows', $rows);
       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
       $this->tmpl->show("photo_index.tpl");
@@ -372,13 +471,24 @@ class PHPFSPOT {
          $direction = "bubbleimg_down";
 
       $details = $this->get_photo_details($photo);
+      $orig_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 
       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
 
-      $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
+      $filesize = filesize($orig_path);
       $filesize = rand($filesize/1024, 2);
 
-      $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
+      if(!file_exists($orig_path)) {
+         $this->_warning("Photo ". $orig_path ." does not exist!<br />\n");
+         return;
+      }
+      
+      if(!is_readable($orig_path)) {
+         $this->_warning("Photo ". $orig_path ." is not readable for user ". get_current_user() ."<br />\n");
+         return;
+      }
+
+      $img = getimagesize($orig_path);
 
       $this->tmpl->assign('file_size', $filesize);
       $this->tmpl->assign('width', $img[0]);
@@ -398,9 +508,18 @@ class PHPFSPOT {
 
    } // showCredits()
 
-   public function create_thumbnail($image, $width)
+   public function create_thumbnail($orig_image, $thumb_image, $width)
    {  
-      $meta = $this->get_meta_informations($image);
+      if(!file_exists($orig_image))
+         return false;
+
+      $details = getimagesize($orig_image);
+      
+      /* check if original photo is a support image type */
+      if(!$this->checkifImageSupported($details['mime']))
+         return false;
+
+      $meta = $this->get_meta_informations($orig_image);
 
       $rotate = 0;
       $flip = false;
@@ -408,104 +527,85 @@ class PHPFSPOT {
       switch($meta['Orientation']) {
 
          case 1:
-            $rotate = 0;
-            $flip = false;
-            break;
-
+            $rotate = 0; $flip = false; break;
          case 2:
-            $rotate = 0;
-            $flip = true;
-            break;
-
+            $rotate = 0; $flip = true; break;
          case 3:
-            $rotate = 180;
-            $flip = false;
-            break;
-
+            $rotate = 180; $flip = false; break;
          case 4:
-            $rotate = 180;
-            $flip = true;
-            break;
-
+            $rotate = 180; $flip = true; break;
          case 5:
-            $rotate = 90;
-            $flip = true;
-            break;
-
+            $rotate = 90; $flip = true; break;
          case 6:
-            $rotate = 90;
-            $flip = false;
-            break;
-
+            $rotate = 90; $flip = false; break;
          case 7:
-            $rotate = 270;
-            $flip = true;
-            break;
-
+            $rotate = 270; $flip = true; break;
          case 8:
-            $rotate = 270;
-            $flip = false;
-            break;
+            $rotate = 270; $flip = false; break;
       }
 
-      $src_img = @imagecreatefromjpeg($image);
+      $src_img = @imagecreatefromjpeg($orig_image);
 
-      if($src_img)
-      {  
-         /* grabs the height and width */
-         $new_w = imagesx($src_img);
-         $new_h = imagesy($src_img);
+      if(!$src_img) {
+         print "Can't load image from ". $orig_image ."\n";
+         return false;
+      }
 
-         // If requested width is more then the actual image width,
-         // do not generate a thumbnail
+      /* grabs the height and width */
+      $new_w = imagesx($src_img);
+      $new_h = imagesy($src_img);
 
-         if($width >= $new_w) {
-            imagedestroy($src_img);
-            return;
-         }
+      // If requested width is more then the actual image width,
+      // do not generate a thumbnail
 
-         /* calculates aspect ratio */
-         $aspect_ratio = $new_h / $new_w;
+      if($width >= $new_w) {
+         imagedestroy($src_img);
+         return true;
+      }
 
-         /* sets new size */
-         $new_w = $width;
-         $new_h = abs($new_w * $aspect_ratio);
+      /* calculates aspect ratio */
+      $aspect_ratio = $new_h / $new_w;
 
-         /* creates new image of that size */
-         $dst_img = imagecreatetruecolor($new_w,$new_h);
+      /* sets new size */
+      $new_w = $width;
+      $new_h = abs($new_w * $aspect_ratio);
 
-         imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
+      /* creates new image of that size */
+      $dst_img = imagecreatetruecolor($new_w, $new_h);
 
-         /* copies resized portion of original image into new image */
-         imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
+      imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 
-         /* needs the image to be flipped horizontal? */
-         if($flip) {
-            print "(FLIP)";
-            $image = $dst_img;
-            for($x = 0; $x < $new_w; $x++) {
-               imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
-            }
-         }
+      /* copies resized portion of original image into new image */
+      imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
 
-         if($rotate) {
-            print "(ROTATE)";
-            $dst_img = $this->rotateImage($dst_img, $rotate);
+      /* needs the image to be flipped horizontal? */
+      if($flip) {
+         print "(FLIP)";
+         $image = $dst_img;
+         for($x = 0; $x < $new_w; $x++) {
+            imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
          }
+      }
 
-         /* write down new generated file */
+      if($rotate) {
+         print "(ROTATE)";
+         $dst_img = $this->rotateImage($dst_img, $rotate);
+      }
 
-         if(!file_exists(dirname($image) ."/thumbs"))
-            mkdir(dirname($image) ."/thumbs");
+      /* write down new generated file */
+      $result = imagejpeg($dst_img, $thumb_image, 75);
 
-         $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
-         imagejpeg($dst_img, $newfile, 75);
+      /* free your mind */
+      imagedestroy($dst_img);
+      imagedestroy($src_img);
 
-         /* free your mind */
-         imagedestroy($dst_img);
-         imagedestroy($src_img);
+      if($result === false) {
+         print "Can't write thumbnail ". $thumb_image ."\n";
+         return false;
       }
 
+      return true;
+
    } // create_thumbnail()
 
    public function get_meta_informations($file)
@@ -528,52 +628,79 @@ class PHPFSPOT {
 
    } // check_config_table
 
-   public function gen_thumbs($idx = 0, $fromcmd = 0)
+   /**
+    * Generates a thumbnail from photo idx
+    *
+    * This function will generate JPEG thumbnails from provided F-Spot photo
+    * indizes.
+    *
+    * 1. Check if all thumbnail generations (width) are already in place and
+    *    readable
+    * 2. Check if the md5sum of the original file has changed
+    * 3. Generate the thumbnails if needed
+    */
+   public function gen_thumb($idx = 0, $force = 0)
    {
-      if(!$idx) {
-         /* get all available photos */
-         $all = $this->getPhotoSelection();
+      $error = 0;
+
+      $resolutions = Array(
+         $this->cfg->thumb_width,
+         $this->cfg->bubble_width,
+         $this->cfg->photo_width,
+      );
+
+      /* get details from F-Spot's database */
+      $details = $this->get_photo_details($idx);
+
+      /* calculate file MD5 sum */
+      $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
+
+      if(!file_exists($full_path)) {
+         $this->_warning("File ". $full_path ." does not exist\n");
+         return;
       }
-      else
-         $all = Array($idx);
-      
-      foreach($all as $photo) {
 
-         $details = $this->get_photo_details($photo);
+      if(!is_readable($full_path)) {
+         $this->_warning("File ". $full_path ." is not readable for ". get_current_user() ."\n");
+         return;
+      }
 
-         $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
-         $file_md5 = md5_file($full_path);
+      $file_md5 = md5_file($full_path);
 
-         if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
+      $this->_debug("Image [". $idx ."] ". $details['name'] ." Thumbnails:");
 
-         /* if the file hasn't changed there is no need to regen the thumb */
-         if($file_md5 == $this->getMD5($photo)) {
-            if($fromcmd) print " file has not changed - skipping\n";
-            continue;
-         }
+      foreach($resolutions as $resolution) {
 
-         /* set the new/changed MD5 sum for the current photo */
-         $this->setMD5($photo, $file_md5);
+         $thumb_path = $this->cfg->base_path ."/thumbs/". $resolution ."_". $file_md5;
 
-         $resolutions = Array(
-                           $this->cfg->thumb_width,
-                           $this->cfg->bubble_width,
-                           $this->cfg->photo_width
-                        );
+         /* if the thumbnail file doesn't exist, create it */
+         if(!file_exists($thumb_path)) {
 
-         /* create thumbnails for the requested resolutions */
-         foreach($resolutions as $resolution) {
-            if($fromcmd) print " ". $resolution ."px";
-            $this->create_thumbnail($full_path, $resolution);
+            $this->_debug(" ". $resolution ."px");
+            if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
+               $error = 1;
          }
 
-         if($fromcmd) print "\n";
+         /* if the file hasn't changed there is no need to regen the thumb */
+         elseif($file_md5 != $this->getMD5($idx) || $force) {
+
+            $this->_debug(" ". $resolution ."px");
+            if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
+               $error = 1;
+
+         }
+      }
 
+      /* set the new/changed MD5 sum for the current photo */
+      if(!$error) {
+         $this->setMD5($idx, $file_md5);
       }
 
-   } // gen_thumbs()
+      $this->_debug("\n");
 
-   private function getMD5($idx)
+   } // gen_thumb()
+
+   public function getMD5($idx)
    {
       $result = $this->cfg_db->db_query("
          SELECT img_md5 
@@ -604,11 +731,17 @@ class PHPFSPOT {
 
    } // setTagCondition()
 
-   public function startSearch($searchfor)
+   public function startTagSearch($searchfor)
    {
       $_SESSION['searchfor'] = $searchfor;
+      $_SESSION['selected_tags'] = Array();
+
+      foreach($this->avail_tags as $tag) {
+         if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
+            array_push($_SESSION['selected_tags'], $tag);
+      }
 
-   } // startSearch()
+   } // startTagSearch()
 
    private function rotateImage($img, $degrees)
    {
@@ -680,6 +813,103 @@ class PHPFSPOT {
 
    } // rotateImage()
 
+   private function get_photo_tags($idx)
+   {
+      $result = $this->db->db_query("
+         SELECT t.id, t.name
+         FROM tags t
+         INNER JOIN photo_tags pt
+            ON t.id=pt.tag_id
+         WHERE pt.photo_id='". $idx ."'
+      ");
+
+      $tags = Array();
+
+      while($row = $this->db->db_fetch_object($result))
+         $tags[$row['id']] = $row['name'];
+
+      return $tags;
+
+   } // get_photo_tags()
+
+   public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
+   {
+      if (strlen($color) != 6) 
+         $color = 000000;
+
+      $int = hexdec($color);
+      $h = imagefontheight($font);
+      $fw = imagefontwidth($font);
+      $txt = explode("\n", wordwrap($txt, ($w / $fw), "\n"));
+      $lines = count($txt);
+      $im = imagecreate($w, (($h * $lines) + ($lines * $space)));
+      $bg = imagecolorallocate($im, 255, 255, 255);
+      $color = imagecolorallocate($im, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
+      $y = 0;
+
+      foreach ($txt as $text) {
+         $x = (($w - ($fw * strlen($text))) / 2);
+         imagestring($im, $font, $x, $y, $text, $color);
+         $y += ($h + $space);
+      }
+
+      Header("Content-type: image/png");
+      ImagePng($im);
+
+   } // showTextImage()
+
+   private function checkRequirements()
+   {
+      if(!function_exists("imagecreatefromjpeg")) {
+         print "PHP GD library extension is missing<br />\n";
+         $missing = true;
+      }
+
+      if(!function_exists("sqlite3_open")) {
+         print "PHP SQLite3 library extension is missing<br />\n";
+         $missing = true;
+      }
+
+      /* Check for HTML_AJAX PEAR package, lent from Horde project */
+      ini_set('track_errors', 1);
+      @include_once 'HTML/AJAX/Server.php';
+      if(isset($php_errormsg)) {
+         print "PEAR HTML_AJAX package is missing<br />\n";
+         $missing = true;
+      }
+      ini_restore('track_errors');
+
+      if(isset($missing))
+         return false;
+
+      return true;
+
+   } // checkRequirements()
+
+   private function _debug($text)
+   {
+      if($this->fromcmd) {
+         print $text;
+      }
+
+   } // _debug()
+
+   public function checkifImageSupported($mime)
+   {
+      if(in_array($mime, Array("image/jpeg")))
+         return true;
+
+      return false;
+
+   } // checkifImageSupported()
+
+   public function _warning($text)
+   {
+      print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
+      print $text;
+
+   } // _warning()
+
 }
 
 ?>