[ADD] web_onchange_action

web_onchange_action/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
+
+================
+Onchange actions
+================
+
+This module allows you to return an action (``ir.actions.*``) from an onchange handler.
+
+This way, you can have much more elaborate message boxes or simply show a whole wizard or do whatever else is possible with actions on the client side.
+
+Usage
+=====
+
+Depend on this module and in your onchange handler, add a key ``action`` to the ``warning`` dictionary of the result which contains the definition of an action to execute:
+
+.. code:: python
+
+    {
+        'value': ....,
+        'domain': ....,
+        'warning': {
+            'title': 'This will be shown if this module is not available',
+            'message': 'Fallback message, see above',
+            # this module picks up this key and shows it *instead* of the
+            # warning above
+            'action': {
+                'type': 'ir.actions.act_window',
+                'res_model': 'my.wizard',
+                ...
+            },
+    }
+
+The module ``web_ir_actions_act_window_message`` can be quite helpful here.
+
+.. 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 smashing it by providing a 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
+------------
+
+* Holger Brunn <hbrunn@therp.nl>
+
+Do not contact contributors directly about help with questions or problems concerning this addon, but use the `community mailing list <mailto:community@mail.odoo.com>`_ or the `appropriate specialized mailinglist <https://odoo-community.org/groups>`_ for help, and the bug tracker linked in `Bug Tracker`_ above for 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_onchange_action/__init__.py

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+# -*- coding: utf-8 -*-
+# © 2017 Therp BV <http://therp.nl>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

web_onchange_action/__openerp__.py

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+# -*- coding: utf-8 -*-
+# © 2017 Therp BV <http://therp.nl>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+{
+    "name": "Onchange actions",
+    "version": "8.0.1.0.0",
+    "author": "Therp BV,Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "category": "Hidden/Dependency",
+    "summary": "Run actions from onchange handlers",
+    "depends": [
+        'web',
+    ],
+    "data": [
+        'views/templates.xml',
+    ],
+}

web_onchange_action/static/src/js/web_onchange_action.js

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+//-*- coding: utf-8 -*-
+//© 2017 Therp BV <http://therp.nl>
+//License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+openerp.web_onchange_action = function(instance)
+{
+    instance.web.FormView.include({
+        on_processed_onchange: function(result)
+        {
+            var self = this,
+                action = null;
+            if(result.warning && result.warning.action)
+            {
+                action = result.warning.action;
+                delete result.warning;
+            }
+            return jQuery.when(this._super.apply(this, arguments))
+            .then(function()
+            {
+                if(action)
+                {
+                    self.do_action(action);
+                }
+            });
+        },
+    });
+};

web_onchange_action/views/templates.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<openerp>
+    <data>
+        <template id="assets_backend" name="web_onchange_action assets" inherit_id="web.assets_backend">
+            <xpath expr="." position="inside">
+                <script type="text/javascript" src="/web_onchange_action/static/src/js/web_onchange_action.js"></script>
+                <link rel="stylesheet" href="/web_onchange_action/static/src/css/web_onchange_action.css"/>
+            </xpath>
+        </template>
+    </data>
+</openerp>