Hello again!
I'm able set a default filter in a view :
The code in my custom module is :
<?xml version="1.0" encoding="UTF-8"?>
<openerp>
<data>
<record id="base.open_module_tree" model="ir.actions.act_window">
<field name="context">{'search_default_extra':1}</field>
</record>
</data>
</openerp>
But how could I set a FAVORITES like default filter?
Favorites seems to be stocked in ir.filters.
Idea?