michel_coworking/views/event_views.xml

<?xml version="1.0" encoding="utf-8"?>

<odoo>
<!-- Form -->
  <record id="view_form_event" model="ir.ui.view">
    <field name="name">Event Form</field>
    <field name="model">coworking.event</field>
    <field name="arch" type="xml">
      <form string="event">
        <header>
          <field name="statut" widget="statusbar" clickable="1" />
        </header>
        <sheet>
          <group name="group_top">
            <group name="group_left">
              <field name="title" />
              <field name="manager_id" />
              <field name="date_start" />
              <field name="date_end" />
              <field name="duration" />
              <field name="description" />
              <field name="participants_ids" widget="many2many_tags"
                options="{'no_create': true}" />
            </group>
          </group>
        </sheet>
      </form>
    </field>
  </record>

  <!-- Tree -->
  <record id="view_tree_coworker" model="ir.ui.view">
    <field name="name">event Tree</field>
    <field name="model">coworking.event</field>
    <field name="arch" type="xml">
      <tree default_order="date_start asc, title asc">
        <field name="title" />
        <field name="manager_id" />
        <field name="date_start" />
        <field name="participants_count" />
        <field name="statut" />
      </tree>
    </field>
  </record>

  <!-- Search -->
    <record id="view_search_event" model="ir.ui.view">
      <field name="name">Event Search</field>
      <field name="model">coworking.event</field>
      <field name="arch" type="xml">
        <search>
          <field name="title" />
          <field name="manager" />

          <filter name="Satut" string="confirmed"
            domain="[('statut','!=',False)]" />

          <filter name="in_compagny" string="in_compagny"
            domain="[('company_name','!=',False)]" />

          <separator />

          <filter name="is_savoyar" string="Is_savoyar"
            domain="[('contact_zip','=like','73___')]" />

          <filter name="meet_of_2017" string="Meet_of_2017"
            domain="[('contact_date','like','2017')]" />

          <filter name="group_city" string="Group city"
            context="{'group_by': 'city'}" />

          <filter name="group_month" string="Group month"
            context="{'group_by': 'contact_date'}" />

          <filter name="group_years" string="Group years"
            context="{'group_by': 'contact_date:year'}" />

        </search>
      </field>
    </record>

</odoo>