[ADD] Web widget Datepicker full options

web_widget_datepicker_fulloptions/__init__.py

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+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).

web_widget_datepicker_fulloptions/__manifest__.py

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+# Copyright 2021 Quentin DUPONT
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "Web Widget DatePicker Full Options",
+    "version": "12.0.1.0.0",
+    "author": "GRAP, "
+              "Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "category": "Web",
+    "website": "https://github.com/OCA/web/",
+    'installable': True,
+    "depends": [
+        "web",
+    ],
+    "data": [
+        "views/web_widget_datepicker_fulloptions_assets.xml",
+    ],
+}

web_widget_datepicker_fulloptions/readme/CONTRIBUTORS.rst

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+* `GRAP <http://www.grap.coop>`_:
+
+  * Quentin DUPONT <quentin.dupont@grap.coop>

web_widget_datepicker_fulloptions/readme/DESCRIPTION.rst

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+This module enables full options in datepicker used in date fields :
+- Choose today's date in one click
+- Three buttons enabled : show today, clear field, close datepicker
+
+.. figure:: ../static/description/change.png

web_widget_datepicker_fulloptions/static/src/js/web_widget_datepicker_fulloptions.js

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+/* Copyright 2021 Quentin DUPONT
+ * License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). */
+odoo.define('web_widget_datepicker_fulloptions.datepicker_fulloptions', function (require) {
+"use strict";
+
+    var DatePicker = require('web.datepicker');
+
+    var DatePickerFullOptions = DatePicker.DateWidget.include({
+        /**
+         * @override
+         */
+        init: function (parent, options) {
+            this._super(parent, options);
+            this.options.useCurrent = true;
+            this.options.buttons.showToday = true;
+            this.options.buttons.showClear = true;
+            this.options.buttons.showClose = true;
+        },
+    });
+
+});

web_widget_datepicker_fulloptions/views/web_widget_datepicker_fulloptions_assets.xml

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