* finish task #2003.

module/doc/control.php

@@ -249,7 +249,10 @@ class doc extends control
         $projectID = (int)$projectID;
         if(!empty($_POST))
         {
-            $docID = $this->doc->create();
+            $docResult = $this->doc->create();
+            $docID     = $docResult['id'];
+
+            if($docResult['status'] == 'existed') die(js::locate($this->createLink('doc', 'view', "docID=$docID"), 'parent'));
             if(dao::isError()) die(js::error(dao::getError()));
             $this->action->create('doc', $docID, 'Created');
 

module/doc/model.php

@@ -189,6 +189,10 @@ class docModel extends model
             ->remove('files, labels')
             ->get();
         $condition = "lib = '$doc->lib' AND module = $doc->module";
+
+        $docID = $this->loadModel('common')->checkRepeat('doc', 'check', $doc->title, $condition);
+        if($docID) return array('status' => 'existed', 'id' => $docID);
+
         $this->dao->insert(TABLE_DOC)
             ->data($doc)
             ->autoCheck()