issue46, slideshow control (rew, pause/play/stop, fwd)

[phpfspot.git] / phpfspot.class.php

diff --git a/phpfspot.class.php b/phpfspot.class.php
index f572759ed1262c8d98d01ef61ed009168b0f696f..2a2813545045235f2503eeeb7455efe4a14bdf91 100644 (file)
--- a/phpfspot.class.php
+++ b/phpfspot.class.php
@@ -58,8 +58,13 @@ class PHPFSPOT {
       }
          
       $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
+      if(!is_writeable($this->cfg->phpfspot_db)) {
+         print $this->cfg->phpfspot_db ." is not writeable for user ". $this->getuid() ."\n";
+         exit(1);
+      }
       $this->check_config_table();
 
+
       $this->tmpl = new PHPFSPOT_TMPL($this);
 
       $this->get_tags();
@@ -100,6 +105,7 @@ 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']);
+      $this->tmpl->assign('template_path', 'themes/'. $this->cfg->theme_name);
 
       $_SESSION['start_action'] = $_GET['mode'];
 
@@ -135,6 +141,10 @@ class PHPFSPOT {
             $this->tmpl->show("export.tpl");
             return;
             break;
+         case 'slideshow':
+            $this->tmpl->show("slideshow.tpl");
+            return;
+            break;
       }
 
       $this->tmpl->assign('from_date', $this->get_calendar('from'));
@@ -357,6 +367,8 @@ class PHPFSPOT {
          $this->tmpl->assign('next_img', $next_img);
       }
       $this->tmpl->assign('mini_width', $this->cfg->mini_width);
+      $this->tmpl->assign('photo_number', $i);
+      $this->tmpl->assign('photo_count', count($all_photos));
 
       $this->tmpl->show("single_photo.tpl");
 
@@ -636,6 +648,10 @@ class PHPFSPOT {
                      ON pt1.photo_id=pt". ($i+2) .".photo_id
                ";
             }
+            $query_str.= "
+               INNER JOIN photos p
+                  ON pt1.photo_id=p.id
+            ";
             $query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
             for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
                $query_str.= "
@@ -861,8 +877,10 @@ class PHPFSPOT {
       }
 
       $export_link = "index.php?mode=export";
+      $slideshow_link = "index.php?mode=slideshow";
 
       $this->tmpl->assign('extern_link', $extern_link);
+      $this->tmpl->assign('slideshow_link', $slideshow_link);
       $this->tmpl->assign('export_link', $export_link);
       $this->tmpl->assign('count', $count);
       $this->tmpl->assign('width', $this->cfg->thumb_width);
@@ -1633,22 +1651,100 @@ class PHPFSPOT {
    {
       switch($_SESSION['sort_order']) {
          case 'date_asc':
-            return "ORDER BY p.time ASC";
+            return " ORDER BY p.time ASC";
             break;
          case 'date_desc':
-            return "ORDER BY p.time DESC";
+            return " ORDER BY p.time DESC";
             break;
          case 'name_asc':
-            return "ORDER BY p.name ASC";
+            return " ORDER BY p.name ASC";
             break;
          case 'name_desc':
-            return "ORDER BY p.name DESC";
+            return " ORDER BY p.name DESC";
             break;
       }
 
-      return $_SESSION['sort_order'];
-
    } // get_sort_order()
+
+   /***
+     * return the next to be shown slide show image
+     *
+     * this function returns the URL of the next image
+     * in the slideshow sequence.
+     */
+   public function getNextSlideShowImage()
+   {
+      $all_photos = $this->getPhotoSelection();
+
+      if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == count($all_photos)-1) 
+         $_SESSION['slideshow_img'] = 0;
+      else
+         $_SESSION['slideshow_img']++;
+
+      $server_name = $_SERVER['SERVER_NAME'];
+      if(!isset($_SERVER['HTTPS'])) $protocol = "http";
+      else $protocol = "https";
+
+      return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
+
+   } // getNextSlideShowImage()
+
+   /***
+     * return the previous to be shown slide show image
+     *
+     * this function returns the URL of the previous image
+     * in the slideshow sequence.
+     */
+   public function getPrevSlideShowImage()
+   {
+      $all_photos = $this->getPhotoSelection();
+
+      if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == 0)
+         $_SESSION['slideshow_img'] = 0;
+      else
+         $_SESSION['slideshow_img']--;
+
+      $server_name = $_SERVER['SERVER_NAME'];
+      if(!isset($_SERVER['HTTPS'])) $protocol = "http";
+      else $protocol = "https";
+
+      return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
+
+   } // getPrevSlideShowImage()
+
+   public function resetSlideShow()
+   {
+      if(isset($_SESSION['slideshow_img']))
+         unset($_SESSION['slideshow_img']);
+   } // resetSlideShow()
+   
+   /***
+     * get random photo
+     *
+     * this function will get all photos from the fspot
+     * database and randomly return ONE entry
+     *
+     * saddly there is yet no sqlite3 function which returns
+     * the bulk result in array, so we have to fill up our
+     * own here.
+     */ 
+   public function get_random_photo()
+   {
+      $all = Array();
+
+      $result = $this->db->db_query("
+         SELECT id
+         FROM photos
+      ");
+      
+      while($row = $this->db->db_fetch_object($result)) {
+         array_push($all, $row[0]);
+      }
+
+      return array_rand($all);
+
+   } // get_random_photo()
+
 }
 
 ?>