--- a/develop/models/extractapp.php	Tue Feb 10 16:20:29 2015 +0100
+++ b/develop/models/extractapp.php	Wed Feb 11 12:33:59 2015 +0100
@@ -13,6 +13,7 @@
 
     private function Initialize($_urlvalues) {
         $this->SetSectionId($_urlvalues);
+
     }
 
     // === for tagging ===
@@ -42,6 +43,7 @@
         $data['section_id'] = $section_id;
         $data['topiclistArray'] = $topiclistArray;
         $data['default_topic_id'] = $this->GetTopic();
+        $data['topic_tag'] = $this->GetTopicTag($this->GetTopic());
         
         return $data;
         
@@ -76,8 +78,8 @@
     public function ExportTable($urlvalues, $postdata) {
         $this->Initialize($urlvalues);
         $content = $postdata['content'];
+        $topic = $postdata['topic'];
         
-    
         // outputTableArray:
         $section_id = $this->GetSectionId();
 
@@ -91,8 +93,10 @@
 
         $outputTableArray = array();
 
-        $taglistArray = $this->GetTaglistArray();
+        //$taglistArray = $this->GetTaglistArray();
         
+        $taglistArray = $this->GetTaglistByTopicID($topic);
+
         $outputTableArray[0]=array();
         $outputTableArray[0][0]=array();
         $outputTableArray[0][1]=array();
@@ -151,11 +155,29 @@
             $value = preg_replace("/</u", "&lt;", $value);
             $outputTableArray[$count]["full"] = $value;
         }
+        /*
+        echo "<br>"."DEBUG: outputTableArray:"."<br>";
+        var_dump($outputTableArray);
+        */
 
         foreach ( $outputTableArray as $arrayIndex => $arrayValue ) {
-            if ( !isset($arrayValue[0]["person"]) ) {
-                unset($outputTableArray[$arrayIndex]);
+            // output each row which the topic tag
+            // e.g. the original version is for 'person'
+            
+            // TODO: choose topic tag based on the topic
+            // for person topic
+            if ($topic == 1) {
+                if ( !isset($arrayValue[0]["person"]) ) {
+                    unset($outputTableArray[$arrayIndex]);
+                }
+            } else if ($topic == 2) {
+                
+                // for object topic
+                if ( !isset($arrayValue[0]["object"]) ) {   // only the record with the tag of 'object' will become a row
+                    unset($outputTableArray[$arrayIndex]);
+                }
             }
+            
         }
 
 
@@ -240,7 +262,9 @@
     }
 
     // === for config topic ===
-    
+    public function ConfigTagsInTopic($urlvalues, $postdata) {
+        
+    }
 
     private function GetTaglistByTopicID($topic_id) {
         $taglistArray = array();
@@ -284,11 +308,20 @@
         $topiclistArray = array();
         $result = $this->GetTopiclist();
         while ($row = mysql_fetch_assoc($result)) {
-            array_push($topiclistArray, array('id'=>$row['id'],'name'=>$row['name']));
+            array_push($topiclistArray, array('id'=>$row['id'],'name'=>$row['name'],'tag'=>$row['tag']));
         }
         return $topiclistArray;
     }
 
+
+    private function GetTopicTag($topic_id) {
+        $result = $this->GetTopicByID($topic_id);
+        $row = mysql_fetch_assoc($result);
+        $tag = $row['tag'];
+        return $tag;
+
+    }
+
     // =========================== 
 
     // === for manage wordlist ===
@@ -469,7 +502,6 @@
         }
 
         return $taglistArray;
-
     }
 
     private function GetWordlistArray() {