default theme, make sort-select box a template function
[phpfspot.git] / phpfspot.class.php
index ba3668759757b1bbf2c86be97c34e2b8e0abe984..40b65516241fc8141f6c85ecb2aa342b5588994b 100644 (file)
@@ -92,7 +92,9 @@ class PHPFSPOT {
       /* check if all necessary indices exist */
       $this->checkDbIndices();
 
-      session_start();
+      /* if session is not yet started, do it now */
+      if(session_id() == "")
+         session_start();
 
       if(!isset($_SESSION['tag_condition']))
          $_SESSION['tag_condition'] = 'or';
@@ -189,9 +191,9 @@ class PHPFSPOT {
       if(isset($_SESSION['from_date']) && isset($_SESSION['to_date']))
          $this->tmpl->assign('date_search_enabled', true);
 
+      $this->tmpl->register_function("sort_select_list", array(&$this, "smarty_sort_select_list"), false);
       $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");
 
@@ -423,10 +425,12 @@ class PHPFSPOT {
 
       if(!file_exists($orig_path)) {
          $this->_error("Photo ". $orig_path ." does not exist!<br />\n");
+         return;
       }
 
       if(!is_readable($orig_path)) {
          $this->_error("Photo ". $orig_path ." is not readable for user ". $this->getuid() ."<br />\n");
+         return;
       }
 
       /* If the thumbnail doesn't exist yet, try to create it */
@@ -611,6 +615,9 @@ class PHPFSPOT {
       if(!isset($_SESSION['selected_tags']))
          $_SESSION['selected_tags'] = Array();
 
+      if(isset($_SESSION['searchfor']))
+         unset($_SESSION['searchfor']);
+
       if(!in_array($tag, $_SESSION['selected_tags']))
          array_push($_SESSION['selected_tags'], $tag);
    
@@ -624,6 +631,9 @@ class PHPFSPOT {
     */
    public function delTag($tag)
    {
+      if(isset($_SESSION['searchfor']))
+         unset($_SESSION['searchfor']);
+
       if(isset($_SESSION['selected_tags'])) {
          $key = array_search($tag, $_SESSION['selected_tags']);
          unset($_SESSION['selected_tags'][$key]);
@@ -889,8 +899,9 @@ class PHPFSPOT {
       }
       elseif($this->cfg->rows_per_page > 0) {
 
-         if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0)
+         if(!isset($_SESSION['begin_with']) || $_SESSION['begin_with'] == 0) {
             $begin_with = 0;
+         }
          else {
 
             $begin_with = $_SESSION['begin_with'];
@@ -923,30 +934,33 @@ class PHPFSPOT {
 
       for($i = $begin_with; $i < $end_with; $i++) {
 
-         $images[$rows][$cols] = $photos[$i];
-         $img_id[$rows][$cols] = $i;
-         $img_name[$rows][$cols] = htmlspecialchars($this->getPhotoName($photos[$i], 15));
-         $img_title[$rows][$cols] = "Click to view photo ". htmlspecialchars($this->getPhotoName($photos[$i], 0));
+         if(isset($photos[$i])) {
 
-         $thumb_path = $this->get_thumb_path($this->cfg->thumb_width, $photos[$i]);
+            $images[$rows][$cols] = $photos[$i];
+            $img_id[$rows][$cols] = $i;
+            $img_name[$rows][$cols] = htmlspecialchars($this->getPhotoName($photos[$i], 15));
+            $img_title[$rows][$cols] = "Click to view photo ". htmlspecialchars($this->getPhotoName($photos[$i], 0));
 
-         if(file_exists($thumb_path)) {
-            $info = getimagesize($thumb_path); 
-            $img_width[$rows][$cols] = $info[0];
-            $img_height[$rows][$cols] = $info[1];
-         }
+            $thumb_path = $this->get_thumb_path($this->cfg->thumb_width, $photos[$i]);
 
-         if($cols == $this->cfg->thumbs_per_row-1) {
-            $cols = 0;
-            $rows++;
-            $images[$rows] = Array();
-            $img_width[$rows] = Array();
-            $img_height[$rows] = Array();
-         }
-         else {
-            $cols++;
-         }
-      } 
+            if(file_exists($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++;
+            }
+         } 
+      }
 
       // +1 for for smarty's selection iteration
       $rows++;
@@ -965,6 +979,8 @@ class PHPFSPOT {
 
       /* do we have to display the page selector ? */
       if($this->cfg->rows_per_page != 0) {
+
+         $page_select = "";
       
          /* calculate the page switchers */
          $previous_start = $begin_with - ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
@@ -1851,7 +1867,7 @@ class PHPFSPOT {
    private function getCurrentTags()
    {
       $current_tags = "";
-      if($_SESSION['selected_tags'] != "") {
+      if(isset($_SESSION['selected_tags']) && $_SESSION['selected_tags'] != "") {
          foreach($_SESSION['selected_tags'] as $tag)
             $current_tags.= $tag .",";
          $current_tags = substr($current_tags, 0, strlen($current_tags)-1);
@@ -1913,20 +1929,29 @@ class PHPFSPOT {
    /**
     * returns a select-dropdown box to select photo index sort parameters
     */
-   private function get_sort_field()
+   public function smarty_sort_select_list($params, &$smarty)
    {
       $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']) {
+
+      $sorter = array(
+         'date_asc' => 'Date &uarr;',
+         'date_desc' => 'Date &darr;',
+         'name_asc' => 'Name &uarr;',
+         'name_desc' => 'Name &darr;'
+      );
+         
+      foreach($sorter as $key => $value) {
+         $output.= "<option value=\"". $key ."\"";
+         if($key == $_SESSION['sort_order']) {
             $output.= " selected=\"selected\"";
          }
-         $output.= ">". $sort_order ."</option>";
+         $output.= ">". $value ."</option>";
       }
       $output.= "</select>";
+
       return $output;
 
-   } // get_sort_field()
+   } // smarty_sort_select_list()
 
    /**
     * returns the currently selected sort order
@@ -1941,10 +1966,20 @@ class PHPFSPOT {
             return " ORDER BY p.time DESC";
             break;
          case 'name_asc':
-            return " ORDER BY p.name ASC";
+            if($this->dbver < 9) {
+               return " ORDER BY p.name ASC";
+            }
+            else {
+               return " ORDER BY basename(p.uri) ASC";
+            }
             break;
          case 'name_desc':
-            return " ORDER BY p.name DESC";
+            if($this->dbver < 9) {
+               return " ORDER BY p.name DESC";
+            }
+            else {
+               return " ORDER BY basename(p.uri) DESC";
+            }
             break;
       }