If we want to Select/Deselect a few order lines from a lengthy Sale Order/Purchase Order (Case: 10+ Order lines), We have two ways, individually delete orderline one by one from Purchase/Sale order or create a new order. This module eliminates this issue by introducing a new widget "Mass Select/ Deselect Widget"; which can be used in any One2Many fields to perform mass select/deselect. widget="one2many_delete"
We can see a new widget with two buttons and selection option for One2Many fields.