From aaedbeae3366d16bc1f1692ff63e87bca50e676f Mon Sep 17 00:00:00 2001
From: wangchunsheng <chunsheng@cnezsoft.com>
Date: Sun, 1 Jul 2012 09:00:24 +0000
Subject: [PATCH]  + add isClickable() method.

---
 module/task/model.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/module/task/model.php b/module/task/model.php
index 31d6860df6..14281bc176 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -1071,4 +1071,24 @@ class taskModel extends model
         }
         return $datas;
     }
+
+    /**
+     * Judge an action is clickable or not.
+     * 
+     * @param  object    $task 
+     * @param  string    $action 
+     * @access public
+     * @return bool
+     */
+    public function isClickable($task, $action)
+    {
+        $action = strtolower($action);
+        if($action == 'assignto') return $task->status != 'closed' and $task->status != 'cancel';
+        if($action == 'start')    return $task->status != 'doing'  and $task->status != 'closed' and $task->status != 'cancel';
+        if($action == 'finish')   return $task->status != 'done'   and $task->status != 'closed' and $task->status != 'cancel';
+        if($action == 'close')    return $task->status == 'done'   or  $task->status == 'cancel';
+        if($action == 'activate') return $task->status == 'done'   or  $task->status == 'closed'  or $task->status == 'cancel' ;
+        if($action == 'cancel')   return $task->status != 'done  ' and $task->status != 'closed' and $task->status != 'cancel';
+        return true;
+    }
 }