+ /**
+ * returns a select-dropdown box to select photo index sort parameters
+ */
+ private function get_sort_field()
+ {
+ $output = "<select name=\"sort_order\">";
+ foreach(array('date_asc', 'date_desc', 'name_asc', 'name_desc') as $sort_order) {
+ $output.= "<option value=\"". $sort_order ."\"";
+ if($sort_order == $_SESSION['sort_order']) {
+ $output.= " selected=\"selected\"";
+ }
+ $output.= ">". $sort_order ."</option>";
+ }
+ $output.= "</select>";
+ return $output;
+
+ } // get_sort_field()
+
+ /**
+ * returns the currently selected sort order
+ */
+ private function get_sort_order()
+ {
+ switch($_SESSION['sort_order']) {
+ case 'date_asc':
+ return " ORDER BY p.time ASC";
+ break;
+ case 'date_desc':
+ return " ORDER BY p.time DESC";
+ break;
+ case 'name_asc':
+ return " ORDER BY p.name ASC";
+ break;
+ case 'name_desc':
+ return " ORDER BY p.name DESC";
+ break;
+ }
+
+ } // 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['id']);
+ }
+
+ return $all[array_rand($all)];
+
+ } // get_random_photo()
+
+ /**
+ * validates provided date
+ *
+ * this function validates if the provided date
+ * contains a valid date and will return true
+ * if it is.
+ */
+ public function isValidDate($date_str)
+ {
+ $timestamp = strtotime($date_str);
+
+ if(is_numeric($timestamp))
+ return true;
+
+ return false;
+
+ } // isValidDate()
+
+ /**
+ * timestamp to string conversion
+ */
+ private function ts2str($timestamp)
+ {
+ return strftime("%Y-%m-%d", $timestamp);
+ } // ts2str()
+
+ private function extractTags($tags_str)
+ {
+ $not_validated = split(',', $_GET['tags']);
+ $validated = array();
+
+ foreach($not_validated as $tag) {
+ if(is_numeric($tag))
+ array_push($validated, $tag);
+ }
+
+ return $validated;
+
+ } // extractTags()
+
projects / phpfspot.git / blobdiff