account_interest_line/view/account_interest_line.xml

<!-- <?xml version="1.0" encoding="UTF-8"?>
<openerp>
  <data>
    <record model="ir.ui.view" id="view_interest_line_form">
      <field name="name">view.account.interest.line.form</field>
      <field name="model">account.invoice</field>
      <field name="priority">30</field>
      <field name="arch" type="xml">
        <form string="Interest Line">
         <header class="oe_highlight">
           <button name="search_interest" string="Buscar" type="object" class="oe_link"  groups="base.group_user"/>
           <button name="search_interest" string="Buscar" class="oe_highlight" type="object"/>
         </header>
         <notebook>
             <page string="Intereses">
               <button name="actualizarInteres" type="object"  string="Actualizar" class="oe_link" groups="base.group_user"/>
               <field name="interes_ids" nolabel='1' >
                 <tree string="Intereses" editable='button' delete='false' create='false'  domain="[('state','=',False)]">
                   <field name="name_product" string="Decripcion" readonly="1"/>
                   <field name="price_subtotal" string="Monto Interes" readonly="1"/>
                   <field name="date" string="Fecha de Creacion" readonly="1"/>
                   <field name="state" string="Estado"/>
                 </tree>
               </field>
             </page>
         </notebook>
         <footer>
          <button name="button_deleted_interest" string="Guardar" class="oe_link" type="object"/>or
          <button string="Cancel" class="oe_link" special="cancel"/>
         </footer>
       </form>
      </field>
    </record>
  </data>
</openerp> -->