How to add a section before the headers in a tree view

Question

Hello,
I am working on a custom module in Odoo, and I’m trying to add a section before the headers in my tree view to display the sum of a specific field, x_studio_value, as it is done in the tree view of the *Purchase* module (see the image below). However, I’m running into some issues and I’m not sure about the best method to achieve this.
*My goal:*
I want to display the sum of the x_studio_value field above the headers, before the usual columns.
*Is it possible to do this with Odoo Studio?*

Kev · Answer

Hello,
Thank you very much for your response and guidance!

Marbella Finance Solutions S.L, Hervé Njoya · Answer

The good thing about Odoo, is its modularity, but it comes with a price.
Studio is great to customize the views with some fields and simple calculations.
In your case, neither we are talking of some fields, neither of simple.
If you go to the purchase module of Odoo, in the static folder under views you will find a file that is called, "purchase_listview.xml", it then calls "purchase_dashboard.xml" which is what you want to achieve.
both files comes with their corresponding js file.
if you care

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