[IMP] web_widget_open_tab

web_widget_open_tab/models/__init__.py

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+from . import ir_model
+from . import ir_ui_view

web_widget_open_tab/models/ir_model.py

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+# Copyright 2023 Quartile Limited
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class IrModel(models.Model):
+    _inherit = "ir.model"
+
+    add_open_tab_field = fields.Boolean(help="Adds open-tab field in list views.")

web_widget_open_tab/models/ir_ui_view.py

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+# Copyright 2023 Quartile Limited
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from lxml import etree
+
+from odoo import api, models
+
+
+class Base(models.AbstractModel):
+    _inherit = "base"
+
+    @api.model
+    def _get_view(self, view_id=None, view_type="form", **options):
+        arch, view = super()._get_view(view_id, view_type, **options)
+        model = self.env["ir.model"]._get(self._name)
+        if view_type == "tree" and model.add_open_tab_field:
+            id_elem = """<field name="id" widget="open_tab" nolabel="1"/>"""
+            id_elem = etree.fromstring(id_elem)
+            tree = arch.xpath("//tree")[0]
+            name_field = tree.xpath('./field[@name="name"]')
+            if name_field:
+                tree.insert(name_field[0].getparent().index(name_field[0]) + 1, id_elem)
+            else:
+                tree.insert(0, id_elem)
+        return arch, view