* Fix error of save WIP.

module/kanban/lang/en.php

@@ -17,6 +17,7 @@ $lang->kanban->columnColor        = 'Column Color';
 $lang->kanban->noColumnUniqueName = 'The Kanban column name already exists.';
 
 $lang->kanban->error = new stdclass();
+$lang->kanban->error->mustBeInt       = 'The WIPs must be positive integer.';
 $lang->kanban->error->parentLimitNote = 'The WIPs in the parent column cannot be < the sum of the WIPs in the child column.';
 $lang->kanban->error->childLimitNote  = 'The sum of products in the child column cannot be > the number of products in the parent column.';
 

module/kanban/lang/zh-cn.php

@@ -50,6 +50,7 @@ $lang->kanban->columnColor        = '看板列颜色';
 $lang->kanban->noColumnUniqueName = '看板列名称已存在';
 
 $lang->kanban->error = new stdclass();
+$lang->kanban->error->mustBeInt       = '在制品数量必须是正整数。';
 $lang->kanban->error->parentLimitNote = '父列的在制品数量不能小于子列在制品数量之和';
 $lang->kanban->error->childLimitNote  = '子列在制品数量之和不能大于父列的在制品数量';
 

module/kanban/model.php

@@ -491,10 +491,12 @@ class kanbanModel extends model
     public function setWIP($columnID)
     {
         $oldColumn = $this->getColumnById($columnID);
-        $column    = fixer::input('post')
-            ->cleanInt('limit')
-            ->remove('WIPCount,noLimit')
-            ->get();
+        $column    = fixer::input('post')->remove('WIPCount,noLimit')->get();
+        if(!preg_match("/^-?\d+$/", $column->limit))
+        {
+            dao::$errors['limit'] = $this->lang->kanban->error->mustBeInt;
+            return false;
+        }
 
         /* Check column limit. */
         $sumChildLimit = 0;