issue54, sort order can now be modified

git-svn-id: file:///var/lib/svn/phpfspot/trunk@223 fa6a889d-dae6-447d-9e79-4ba9a3039384

1 files changed, 61 insertions, 11 deletions

diff --git a/phpfspot.class.php b/phpfspot.class.php
index 57e3406..f572759 100644
--- a/phpfspot.class.php
+++ b/phpfspot.class.php
@@ -69,6 +69,9 @@ class PHPFSPOT {
       if(!isset($_SESSION['tag_condition']))
          $_SESSION['tag_condition'] = 'or';
 
+      if(!isset($_SESSION['sort_order']))
+         $_SESSION['sort_order'] = 'date_asc';
+
       if(!isset($_SESSION['searchfor']))
          $_SESSION['searchfor'] = '';
 
@@ -136,6 +139,7 @@ class PHPFSPOT {
 
       $this->tmpl->assign('from_date', $this->get_calendar('from'));
       $this->tmpl->assign('to_date', $this->get_calendar('to'));
+      $this->tmpl->assign('sort_field', $this->get_sort_field());
       $this->tmpl->assign('content_page', 'welcome.tpl');
       $this->tmpl->show("index.tpl");
 
@@ -557,6 +561,10 @@ class PHPFSPOT {
          ";
       } 
 
+      if(isset($_SESSION['sort_order'])) {
+         $order_str = $this->get_sort_order();
+      }
+
       /* return a search result */
       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
          $query_str = "
@@ -570,9 +578,9 @@ class PHPFSPOT {
 
          if(isset($additional_where_cond))
             $query_str.= "AND ". $additional_where_cond ." ";
-         $query_str.= "
-            ORDER BY p.time ASC
-         ";
+         if(isset($order_str))
+            $query_str.= $order_str;
+
          $result = $this->db->db_query($query_str);
          while($row = $this->db->db_fetch_object($result)) {
             array_push($matched_photos, $row['photo_id']);
@@ -597,10 +605,8 @@ class PHPFSPOT {
             ";
             if(isset($additional_where_cond)) 
                $query_str.= "AND ". $additional_where_cond ." ";
-
-            $query_str.= "
-               ORDER BY p.time ASC
-            ";
+            if(isset($order_str))
+               $query_str.= $order_str;
          }
          elseif($_SESSION['tag_condition'] == 'and') {
 
@@ -638,6 +644,8 @@ class PHPFSPOT {
             }
             if(isset($additional_where_cond)) 
                $query_str.= "AND ". $additional_where_cond;
+            if(isset($order_str))
+               $query_str.= $order_str;
          }
 
          $result = $this->db->db_query($query_str);
@@ -656,9 +664,9 @@ class PHPFSPOT {
       ";
       if(isset($additional_where_cond)) 
          $query_str.= "WHERE ". $additional_where_cond ." ";
-      $query_str.= "
-         ORDER BY p.time ASC
-      ";
+      if(isset($order_str))
+         $query_str.= $order_str;
+
       $result = $this->db->db_query($query_str);
       while($row = $this->db->db_fetch_object($result)) {
          array_push($matched_photos, $row['photo_id']);
@@ -1184,11 +1192,12 @@ class PHPFSPOT {
     * getPhotoSelection() will then only return the matching
     * photos.
     */
-   public function startSearch($searchfor, $from, $to)
+   public function startSearch($searchfor, $from, $to, $sort_order)
    {
       $_SESSION['searchfor'] = $searchfor;
       $_SESSION['from_date'] = $from;
       $_SESSION['to_date'] = $to;
+      $_SESSION['sort_order'] = $sort_order;
 
       if($searchfor != "") {
          /* new search, reset the current selected tags */
@@ -1599,6 +1608,47 @@ class PHPFSPOT {
    
    } // getuid()
 
+   /**
+    * 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;
+      }
+
+      return $_SESSION['sort_order'];
+
+   } // get_sort_order()
 }
 
 ?>