max the tag tab scrollable - don't know yet why the text runs into the content window
[phpfspot.git] / phpfspot.class.php
index ab5cb9e12c165ab9b34dc3fd0349e9f216146e44..9c426a30ce20f678d9daa95eb2c141305d491faa 100644 (file)
@@ -8,6 +8,7 @@ class PHPFSPOT {
 
    var $cfg;
    var $db;
+   var $cfg_db;
    var $tmpl;
    var $tags;
    var $avail_tags;
@@ -17,11 +18,23 @@ class PHPFSPOT {
    {
       $this->cfg = new PHPFSPOT_CFG;
 
-      $this->db = new PHPFSPOT_DB(&$this, $this->cfg->db);
+      $this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
+
+      $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
+      $this->check_config_table();
+
       $this->tmpl = new PHPFSPOT_TMPL($this);
 
       $this->get_tags();
 
+      session_start();
+
+      if(!isset($_SESSION['tag_condition']))
+         $_SESSION['tag_condition'] = 'or';
+
+      if(!isset($_SESSION['searchfor']))
+         $_SESSION['searchfor'] = '';
+
    } // __construct()
 
    public function __destruct()
@@ -31,7 +44,9 @@ class PHPFSPOT {
 
    public function show()
    {
+      $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
       $this->tmpl->assign('page_title', $this->cfg->page_title);
+      $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
       $this->tmpl->show("index.tpl");
 
    } // show()
@@ -52,6 +67,10 @@ class PHPFSPOT {
          $tag_id = $row['id'];
          $tag_name = $row['name'];
 
+         /* check if config requests to ignore this tag */
+         if(in_array($row['name'], $this->cfg->hide_tags))
+            continue;
+
          $this->tags[$tag_id] = $tag_name; 
          $this->avail_tags[$count] = $tag_id;
 
@@ -81,7 +100,7 @@ class PHPFSPOT {
 
    public function showPhoto($photo)
    {
-      $all_photos = $this->getAllTagPhotos();
+      $all_photos = $this->getPhotoSelection();
 
       foreach($all_photos as $all_photo) {
          
@@ -98,9 +117,25 @@ class PHPFSPOT {
          }
       }
 
-      if(isset($photo)) {
-         $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
-      }
+
+      $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('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 ."&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));
 
       if($previous_img) {
          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
@@ -116,13 +151,52 @@ class PHPFSPOT {
 
    public function getAvailableTags()
    {
-      foreach($this->avail_tags as $tag)
-      {
-         if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags']))
+      $result = $this->db->db_query("
+         SELECT tag_id as id, count(tag_id) as quantity
+         FROM photo_tags
+         GROUP BY tag_id
+         ORDER BY tag_id ASC
+      ");
+
+      $tags = Array();
+
+      while($row = $this->db->db_fetch_object($result)) {
+         $tags[$row['id']] = $row['quantity'];
+      }
+
+      // change these font sizes if you will
+      $max_size = 125; // max font size in %
+      $min_size = 75; // min font size in %
+
+      // get the largest and smallest array values
+      $max_qty = max(array_values($tags));
+      $min_qty = min(array_values($tags));
+
+      // find the range of values
+      $spread = $max_qty - $min_qty;
+      if (0 == $spread) { // we don't want to divide by zero
+         $spread = 1;
+      }
+
+      // determine the font-size increment
+      // this is the increase per tag quantity (times used)
+      $step = ($max_size - $min_size)/($spread);
+
+      // loop through our tag array
+      foreach ($tags as $key => $value) {
+
+         if(isset($_SESSION['selected_tags']) && in_array($key, $_SESSION['selected_tags']))
             continue;
 
-         // return all available (= not selected) tags
-         print "<a href=\"javascript:Tags('add', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
+          // calculate CSS font-size
+          // find the $value in excess of $min_qty
+          // multiply by the font-size increment ($size)
+          // and add the $min_size set above
+         $size = $min_size + (($value - $min_qty) * $step);
+          // uncomment if you want sizes in whole %:
+         $size = ceil($size);
+
+         print "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>&nbsp;";
 
       }
 
@@ -134,7 +208,7 @@ class PHPFSPOT {
       {
          // return all selected tags
          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
-            print "<a href=\"javascript:Tags('del', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
+            print "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>&nbsp;";
          }
 
       }
@@ -146,7 +220,8 @@ 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()
 
@@ -155,6 +230,7 @@ class PHPFSPOT {
       if(isset($_SESSION['selected_tags'])) {
          $key = array_search($tag, $_SESSION['selected_tags']);
          unset($_SESSION['selected_tags'][$key]);
+         sort($_SESSION['selected_tags']);
       }
 
    } // delTag()
@@ -165,45 +241,101 @@ class PHPFSPOT {
 
    } // resetTags()
 
-   public function getAllTagPhotos()
+   public function getPhotoSelection()
    {  
       $tagged_photos = Array();
 
-      if(isset($_SESSION['selected_tags'])) {
-         $selected = "";
-         foreach($_SESSION['selected_tags'] as $tag)
-            $selected.= $tag .",";
-         $selected = substr($selected, 0, strlen($selected)-1);
+      /* return a search result */
+      if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
          $result = $this->db->db_query("
             SELECT DISTINCT photo_id
                FROM photo_tags pt
             INNER JOIN photos p
                ON p.id=pt.photo_id
-            WHERE pt.tag_id IN (". $selected .")
-            ORDER BY p.time ASC
+            INNER JOIN tags t
+               ON pt.tag_id=t.id
+            WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'
+               ORDER BY p.time ASC
          ");
+         while($row = $this->db->db_fetch_object($result)) {
+            array_push($tagged_photos, $row['photo_id']);
+         }
+         return $tagged_photos;
       }
-      else {
-         $result = $this->db->db_query("
-            SELECT DISTINCT photo_id
-               FROM photo_tags pt
-            INNER JOIN photos p
-               ON p.id=pt.photo_id
-            ORDER BY p.time ASC
-         ");
+
+      /* return according the selected tags */
+      if(isset($_SESSION['selected_tags'])) {
+         $selected = "";
+         foreach($_SESSION['selected_tags'] as $tag)
+            $selected.= $tag .",";
+         $selected = substr($selected, 0, strlen($selected)-1);
+
+         if($_SESSION['tag_condition'] == 'or') {
+            $result = $this->db->db_query("
+               SELECT DISTINCT photo_id
+                  FROM photo_tags pt
+               INNER JOIN photos p
+                  ON p.id=pt.photo_id
+               WHERE pt.tag_id IN (". $selected .")
+               ORDER BY p.time ASC
+            ");
+         }
+         elseif($_SESSION['tag_condition'] == 'and') {
+
+            /* Join together a table looking like
+
+               pt1.photo_id pt1.tag_id pt2.photo_id pt2.tag_id ...
+
+               so the query can quickly return all images matching the
+               selected tags in an AND condition
+
+            */
+
+            $query_str = "
+               SELECT DISTINCT pt1.photo_id
+                  FROM photo_tags pt1
+            ";
+
+            for($i = 0; $i < count($_SESSION['selected_tags']); $i++) {
+               $query_str.= "
+                  INNER JOIN photo_tags pt". ($i+2) ."
+                     ON pt1.photo_id=pt". ($i+2) .".photo_id
+               ";
+            }
+            $query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
+            for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
+               $query_str.= "
+                  AND pt". ($i+1) .".tag_id=". $_SESSION['selected_tags'][$i] ."
+               "; 
+            }
+            $result = $this->db->db_query($query_str);
+         }
+
+         while($row = $this->db->db_fetch_object($result)) {
+            array_push($tagged_photos, $row['photo_id']);
+         }
+         return $tagged_photos;
       }
 
+      /* return all available photos */
+      $result = $this->db->db_query("
+         SELECT DISTINCT photo_id
+            FROM photo_tags pt
+         INNER JOIN photos p
+            ON p.id=pt.photo_id
+         ORDER BY p.time ASC
+      ");
       while($row = $this->db->db_fetch_object($result)) {
          array_push($tagged_photos, $row['photo_id']);
       }
-
       return $tagged_photos;
 
-   } // getAllTagPhotos()
+   } // getPhotoSelection()
 
    public function showPhotoIndex()
    {
-      $photos = $this->getAllTagPhotos();
+      $photos = $this->getPhotoSelection();
+
       $count = count($photos);
 
       $rows = 0;
@@ -227,7 +359,8 @@ class PHPFSPOT {
       // +1 for for smarty's selection iteration
       $rows++;
 
-         //$images.= "<img src=\"phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->thumb_width ."\" /><br />\n";
+      if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
+         $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
 
       $this->tmpl->assign('count', $count);
       $this->tmpl->assign('width', $this->cfg->thumb_width);
@@ -248,7 +381,7 @@ class PHPFSPOT {
 
       $details = $this->get_photo_details($photo);
 
-      $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=200";
+      $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
 
       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
       $filesize = rand($filesize/1024, 2);
@@ -263,7 +396,305 @@ class PHPFSPOT {
       $this->tmpl->assign('image_url', $image_url);
       $this->tmpl->show("bubble_details.tpl");
 
-   }
+   } // showBubbleDetails()
+
+   public function showCredits()
+   {
+      $this->tmpl->assign('version', $this->cfg->version);
+      $this->tmpl->assign('product', $this->cfg->product);
+      $this->tmpl->show("credits.tpl");
+
+   } // showCredits()
+
+   public function create_thumbnail($image, $width)
+   {  
+      $meta = $this->get_meta_informations($image);
+
+      $rotate = 0;
+      $flip = false;
+
+      switch($meta['Orientation']) {
+
+         case 1:
+            $rotate = 0;
+            $flip = false;
+            break;
+
+         case 2:
+            $rotate = 0;
+            $flip = true;
+            break;
+
+         case 3:
+            $rotate = 180;
+            $flip = false;
+            break;
+
+         case 4:
+            $rotate = 180;
+            $flip = true;
+            break;
+
+         case 5:
+            $rotate = 90;
+            $flip = true;
+            break;
+
+         case 6:
+            $rotate = 90;
+            $flip = false;
+            break;
+
+         case 7:
+            $rotate = 270;
+            $flip = true;
+            break;
+
+         case 8:
+            $rotate = 270;
+            $flip = false;
+            break;
+      }
+
+      $src_img = @imagecreatefromjpeg($image);
+
+      if($src_img)
+      {  
+         /* grabs the height and width */
+         $new_w = imagesx($src_img);
+         $new_h = imagesy($src_img);
+
+         // If requested width is more then the actual image width,
+         // do not generate a thumbnail
+
+         if($width >= $new_w) {
+            imagedestroy($src_img);
+            return;
+         }
+
+         /* calculates aspect ratio */
+         $aspect_ratio = $new_h / $new_w;
+
+         /* sets new size */
+         $new_w = $width;
+         $new_h = abs($new_w * $aspect_ratio);
+
+         /* creates new image of that size */
+         $dst_img = imagecreatetruecolor($new_w,$new_h);
+
+         imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
+
+         /* copies resized portion of original image into new image */
+         imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
+
+         /* needs the image to be flipped horizontal? */
+         if($flip) {
+            print "(FLIP)";
+            $image = $dst_img;
+            for($x = 0; $x < $new_w; $x++) {
+               imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
+            }
+         }
+
+         if($rotate) {
+            print "(ROTATE)";
+            $dst_img = $this->rotateImage($dst_img, $rotate);
+         }
+
+         /* write down new generated file */
+
+         if(!file_exists(dirname($image) ."/thumbs"))
+            mkdir(dirname($image) ."/thumbs");
+
+         $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
+         imagejpeg($dst_img, $newfile, 75);
+
+         /* free your mind */
+         imagedestroy($dst_img);
+         imagedestroy($src_img);
+      }
+
+   } // create_thumbnail()
+
+   public function get_meta_informations($file)
+   {
+      return exif_read_data($file);
+
+   } // get_meta_informations()
+
+   public function check_config_table()
+   {
+      // if the config table doesn't exist yet, create it
+      if(!$this->cfg_db->db_check_table_exists("images")) {
+         $this->cfg_db->db_exec("
+            CREATE TABLE images (
+               img_idx int primary key,
+               img_md5 varchar(32)
+            )
+            ");
+      }
+
+   } // check_config_table
+
+   public function gen_thumb($idx = 0, $fromcmd = 0, $force = 0)
+   {
+      $details = $this->get_photo_details($idx);
+
+      $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
+      $file_md5 = md5_file($full_path);
+
+      if($fromcmd) print "Image [". $idx ."] ". $details['name'] ." Thumbnails:";
+
+      /* if the file hasn't changed there is no need to regen the thumb */
+      if(!$force && $file_md5 == $this->getMD5($idx)) {
+         if($fromcmd) print " file has not changed - skipping\n";
+         return;
+      }
+
+      /* set the new/changed MD5 sum for the current photo */
+      $this->setMD5($idx, $file_md5);
+
+      $resolutions = Array(
+         $this->cfg->thumb_width,
+         $this->cfg->bubble_width,
+         $this->cfg->photo_width
+      );
+
+      /* create thumbnails for the requested resolutions */
+      foreach($resolutions as $resolution) {
+         if($fromcmd) print " ". $resolution ."px";
+         $this->create_thumbnail($full_path, $resolution);
+      }
+
+      if($fromcmd) print "\n";
+
+   } // gen_thumb()
+
+   private function getMD5($idx)
+   {
+      $result = $this->cfg_db->db_query("
+         SELECT img_md5 
+         FROM images
+         WHERE img_idx='". $idx ."'
+      ");
+
+      if(!$result)
+         return 0;
+
+      $img = $this->cfg_db->db_fetch_object($result);
+      return $img['img_md5'];
+      
+   } // getMD5()
+
+   private function setMD5($idx, $md5)
+   {
+      $result = $this->cfg_db->db_exec("
+         REPLACE INTO images (img_idx, img_md5)
+         VALUES ('". $idx ."', '". $md5 ."')
+      ");
+
+   } // setMD5()
+
+   public function setTagCondition($mode)
+   {
+      $_SESSION['tag_condition'] = $mode;
+
+   } // setTagCondition()
+
+   public function startSearch($searchfor)
+   {
+      $_SESSION['searchfor'] = $searchfor;
+
+   } // startSearch()
+
+   private function rotateImage($img, $degrees)
+   {
+      if(function_exists("imagerotate"))
+         $img = imagerotate($img, $degrees, 0);
+      else
+      {
+         function imagerotate($src_img, $angle)
+         {
+            $src_x = imagesx($src_img);
+            $src_y = imagesy($src_img);
+            if ($angle == 180) {
+               $dest_x = $src_x;
+               $dest_y = $src_y;
+            }
+            elseif ($src_x <= $src_y) {
+               $dest_x = $src_y;
+               $dest_y = $src_x;
+            }
+            elseif ($src_x >= $src_y) {
+               $dest_x = $src_y;
+               $dest_y = $src_x;
+            }
+               
+            $rotate=imagecreatetruecolor($dest_x,$dest_y);
+            imagealphablending($rotate, false);
+               
+            switch ($angle) {
+            
+               case 90:
+                  for ($y = 0; $y < ($src_y); $y++) {
+                     for ($x = 0; $x < ($src_x); $x++) {
+                        $color = imagecolorat($src_img, $x, $y);
+                        imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
+                     }
+                  }
+                  break;
+
+               case 270:
+                  for ($y = 0; $y < ($src_y); $y++) {
+                     for ($x = 0; $x < ($src_x); $x++) {
+                        $color = imagecolorat($src_img, $x, $y);
+                        imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
+                     }
+                  }
+                  break;
+
+               case 180:
+                  for ($y = 0; $y < ($src_y); $y++) {
+                     for ($x = 0; $x < ($src_x); $x++) {
+                        $color = imagecolorat($src_img, $x, $y);
+                        imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
+                     }
+                  }
+                  break;
+
+               default: $rotate = $src_img;
+            };
+
+            return $rotate;
+
+         }
+
+         $img = imagerotate($img, $degrees);
+
+      }
+
+      return $img;
+
+   } // rotateImage()
+
+   private function get_photo_tags($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()
 
 }