[FIX] mis_builder: excel export works again... strange

mis_builder/models/mis_builder.py

@@ -689,6 +689,19 @@ class mis_report_instance(orm.Model):
             tools.DEFAULT_SERVER_DATE_FORMAT),
             tformat)
 
+    def preview(self, cr, uid, _id, context=None):
+        view_id = self.pool['ir.model.data'].get_object_reference(
+            cr, uid, 'mis_builder', 'mis_report_instance_result_view_form')[1]
+        return {
+            'type': 'ir.actions.act_window',
+            'res_model': 'mis.report.instance',
+            'res_id': _id[0],
+            'view_mode': 'form',
+            'view_type': 'form',
+            'view_id': view_id,
+            'target': 'new',
+        }
+
     def compute(self, cr, uid, _id, context=None):
         assert isinstance(_id, (int, long))
         if context is None:

mis_builder/views/mis_builder.xml

@@ -120,15 +120,6 @@
             </field>
         </record>
 
-        <record model="ir.actions.act_window" id="mis_report_instance_result_action">
-            <field name="name">Preview</field>
-            <field name="view_id" ref="mis_report_instance_result_view_form"/>
-            <field name="res_model">mis.report.instance</field>
-            <field name="view_type">form</field>
-            <field name="view_mode">form</field>
-            <field name="target">new</field>
-        </record>
-
         <record model="ir.ui.view" id="mis_report_instance_view_tree">
             <field name="name">mis.report.instance.view.tree</field>
             <field name="model">mis.report.instance</field>
@@ -160,7 +151,7 @@
                         </h1>
                     </div>
                     <div class="oe_right oe_button_box" name="buttons"> 
-                        <button type="action" name="%(mis_report_instance_result_action)d" string="Preview" />
+                        <button type="object" name="preview" string="Preview" />
                         <button type="action" name="%(mis_report_instance_add_to_dashboard_action)d" string="Add to dashboard" />
                     </div>
                     <group col="2">