Hello, thanks to your answer but it is not realy what i wanna do.

I want to have something like that : 

<record model="ir.ui.view" id="my_tree">

	<field name="name">name</field>

	<field name="model">model.model</field>

	<field name="type">tree</field>

	<field name="arch" type="xml">

		 <tree editable="bottom" domain="[('widget.view.is_action_enabled('edit')', '=', False)]">

			  <field name="employee_id"/>

			  <field name="company_id"/> 

		 </tree>

		 <tree domain="[('widget.view.is_action_enabled('edit')', '!=', False)]">

			  <field name="employee_id"/>

			  <field name="company_id"/>

		 </tree> 

	</field> 

</record>

when I mentioned <tree editable="bottom"> I will add attachment through tree view itself only. it is looking fine for me. But when I have saved current record and click on row of tree view that is one of the attachment it will not redirect to file details or ir attachment form view. but if i did not mentioned editable="bottom" then it will redirect to form view for same case.

Thank you in Advance :)