[add] web_action_conditionable

web_action_conditionable/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+    :alt: License: AGPL-3
+
+Web Action Conditionable
+========================
+
+This module was written to extend the functionality of actions in tree views.
+Odoo by default support:
+
+::
+
+   <tree delete="false" create="false">
+
+with this module you can:
+
+::
+   
+   <tree delete="state=='draft'">
+
+It works in any tree view, so you can use it in One2many.
+
+
+Installation
+============
+
+To install this module, just follow basic steps to install an odoo module.
+
+
+Configuration
+=============
+
+Not needed.
+
+Usage
+=====
+
+To use this module, you need to:
+
+* go to ...
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/web/8.0
+
+.. repo_id is available in https://github.com/OCA/maintainer-tools/blob/master/tools/repos_with_ids.txt
+.. branch is "8.0" for example
+
+For further information, please visit:
+
+* https://www.odoo.com/forum/help-1
+
+Known issues / Roadmap
+======================
+
+* ...
+
+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
+`here <https://github.com/OCA/web/issues/new?body=module:web_action_conditionableversion:%208.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+
+Credits
+=======
+
+Contributors
+------------
+
+* Cristian Salamea <cristian.salamea@gmail.com>
+
+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 http://odoo-community.org.

web_action_conditionable/__init__.py

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+# -*- coding: utf-8 -*-

web_action_conditionable/__openerp__.py

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+# -*- coding: utf-8 -*-
+
+{
+    "name": 'web_action_conditionable',
+    "version": "0.1",
+    "depends": [
+        'base',
+        'web',
+    ],
+    'data': ['views/view.xml'],
+    "author": "Cristian Salamea,Odoo Community Association (OCA)",
+    "installable": True,
+}

web_action_conditionable/static/src/js/views.js

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+/*global openerp, _, $ */
+
+openerp.web_action_conditionable = function (instance) {
+  instance.web.View.include({
+    is_action_enabled: function(action) {
+      var attrs = this.fields_view.arch.attrs;
+      if (action in attrs) {
+	try {
+	  return this._super(action);
+	} catch(error) {
+	  var expr = attrs[action];
+	  var expression = py.parse(py.tokenize(expr));
+	  var cxt = this.dataset.get_context().__eval_context.__contexts[1];
+	  var result = py.evaluate(expression, cxt).toJSON();
+	  return result
+	}
+      } else {
+	return true;
+      }
+    }    
+  });
+}

web_action_conditionable/views/view.xml

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