[IMP] stock: Improve the Merge inventories wizard put the warning to use in list view

bzr revid: sbh@tinyerp.com-20100909130311-n51aas1gcgpf09kx

addons/stock/wizard/stock_inventory_merge.py

@@ -25,7 +25,25 @@ from tools.translate import _
 class stock_inventory_merge(osv.osv_memory):
     _name = "stock.inventory.merge"
     _description = "Merge Inventory"
-
+    
+    def fields_view_get(self, cr, uid, view_id=None, view_type='form', 
+                        context=None, toolbar=False, submenu=False):
+        """ 
+         Changes the view dynamically
+         @param self: The object pointer.
+         @param cr: A database cursor
+         @param uid: ID of the user currently logged in
+         @param context: A standard dictionary 
+         @return: New arch of view.
+        """
+        if not context:
+            context={}
+        res = super(stock_inventory_merge, self).fields_view_get(cr, uid, view_id=view_id, view_type=view_type, context=context, toolbar=toolbar,submenu=False)
+        if context.get('active_model','') == 'stock.inventory' and len(context['active_ids']) < 2:
+            raise osv.except_osv(_('Warning'),
+            _('Please select multiple physical inventories to merge in the list view.'))
+        return res    
+        
     def do_merge(self, cr, uid, ids, context):
         """ To merge selected Inventories.
         @param self: The object pointer.
@@ -37,13 +55,7 @@ class stock_inventory_merge(osv.osv_memory):
         """ 
         invent_obj = self.pool.get('stock.inventory')
         invent_line_obj = self.pool.get('stock.inventory.line')
-
         invent_lines = {}
-
-        if len(context['active_ids']) < 2:
-            raise osv.except_osv(_('Warning'),
-            _('Please select at least two inventories.'))
-
         for inventory in invent_obj.browse(cr, uid, context['active_ids'], context=context):
             if inventory.state == "done":
                 raise osv.except_osv(_('Warning'),