[ADD] Ask for confirmation when copying records

web_copy_confirm/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+   :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+   :alt: License: AGPL-3
+
+=================================================
+Show a confirmation dialogue when copying records
+=================================================
+
+This module will show a confirmation dialog when the user selects the
+`Duplicate` option from the `More` dropdown in the standard form view.
+
+Usage
+=====
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/162/8.0
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues
+<https://github.com/OCA/web/issues>`_. In case of trouble, please
+check there if your issue has already been reported. If you spotted it first,
+help us smash it by providing detailed and welcomed feedback.
+
+Credits
+=======
+
+Images
+------
+
+* Odoo Community Association: `Icon <https://github.com/OCA/maintainer-tools/blob/master/template/module/static/description/icon.svg>`_.
+
+Contributors
+------------
+
+* Stefan Rijnhart <stefan@opener.amsterdam>
+
+Do not contact contributors directly about support or help with technical issues.
+
+Maintainer
+----------
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+To contribute to this module, please visit https://odoo-community.org.

web_copy_confirm/__openerp__.py

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+# coding: utf-8
+# Copyright (C) 2018 DynApps <http://www.dynapps.be>
+# @author Stefan Rijnhart <stefan@opener.amsterdam>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+{
+    "name": "Show confirmation dialogue before copying records",
+    "version": "8.0.1.0.0",
+    "author": "Dynapps,Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/web",
+    "license": "AGPL-3",
+    "category": "Tools",
+    "depends": [
+        'web',
+    ],
+    "data": [
+        "views/assets.xml",
+    ],
+    "installable": True,
+}

web_copy_confirm/static/src/js/web_copy_confirm.js

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+// Copyright (C) 2018 DynApps <http://www.dynapps.be>
+// @author Stefan Rijnhart <stefan@opener.amsterdam>
+// License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+openerp.web_copy_confirm = function(instance) {
+    instance.web.FormView.include({
+        on_button_duplicate: function() {
+            var self = this;
+            this.has_been_loaded.done(function() {
+                if (confirm(_t("Do you really want to copy this record?"))) {
+                    return self._super.apply(self, arguments);
+                }
+            });
+        }
+    });
+};

web_copy_confirm/views/assets.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<openerp><data>
+
+    <template id="assets_backend" name="web_copy_confirm assets" inherit_id="web.assets_backend">
+        <xpath expr="." position="inside">
+            <script type="text/javascript" src="/web_copy_confirm/static/src/js/web_copy_confirm.js"></script>
+        </xpath>
+    </template>
+
+</data></openerp>