partner-contact/partner_changeset/views/res_partner_changeset_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="view_res_partner_changeset_tree" model="ir.ui.view">
      <field name="name">res.partner.changeset.tree</field>
      <field name="model">res.partner.changeset</field>
      <field name="arch" type="xml">
        <tree string="Partner Changeset" delete="false" create="false">
          <field name="partner_id"/>
          <field name="date"/>
          <field name="state"/>
        </tree>
      </field>
    </record>

    <record id="view_res_partner_changeset_form" model="ir.ui.view">
      <field name="name">res.partner.changeset.form</field>
      <field name="model">res.partner.changeset</field>
      <field name="arch" type="xml">
        <form string="Partner Changeset" delete="false" create="false">
          <header>
            <button name="apply"
              string="Apply pending changes" type="object"
              class="oe_highlight"
              states="draft"/>
            <button name="cancel"
              string="Reject pending changes" type="object"
              class="oe_highlight"
              states="draft"/>
            <field name="state" widget="statusbar"
              statusbar_visible="draft,done"/>
          </header>
          <sheet string="Partner Changeset">
            <group>
              <field name="partner_id"/>
              <field name="source"/>
              <field name="date"/>
            </group>
            <group string="Changes">
              <field name="change_ids" nolabel="1">
                <tree string="Partner Changeset Change">
                  <field name="field_id" context="{'no_open': true}"/>
                  <field name="field_type" invisible="1"/>

                  <field name="origin_value_display" string="Previous"/>
                  <field name="new_value_display"/>

                  <field name="state"/>
                  <button name="apply"
                    string="Apply" type="object"
                    icon="gtk-apply"
                    states="draft"/>
                  <button name="cancel"
                    string="Reject" type="object"
                    icon="gtk-close"
                    states="draft"/>
                </tree>
              </field>
            </group>
            <group>
              <field name="note"/>
            </group>
          </sheet>
        </form>
      </field>
    </record>

    <record id="view_res_partner_changeset_change_form" model="ir.ui.view">
      <field name="name">res.partner.changeset.change.form</field>
      <field name="model">res.partner.changeset.change</field>
      <field name="arch" type="xml">
        <form string="Partner Changeset Change" delete="false" create="false">
          <header>
            <button name="apply"
              string="Apply" type="object"
              class="oe_highlight"
              states="draft"/>
            <button name="cancel"
              string="Reject" type="object"
              class="oe_highlight"
              states="draft"/>
            <field name="state" widget="statusbar"
              statusbar_visible="draft,done"/>
          </header>
          <sheet>
            <group>
              <field name="field_id" options="{'no_open': true}"/>
              <field name="field_type" invisible="1"/>

              <!-- attrs are added in fields_view_get -->
              <field name="origin_value_char"/>
              <field name="new_value_char"/>

              <field name="origin_value_date"/>
              <field name="new_value_date"/>

              <field name="origin_value_datetime"/>
              <field name="new_value_datetime"/>

              <field name="origin_value_float"/>
              <field name="new_value_float"/>

              <field name="origin_value_integer"/>
              <field name="new_value_integer"/>

              <field name="origin_value_text"/>
              <field name="new_value_text"/>

              <field name="origin_value_boolean"/>
              <field name="new_value_boolean"/>

              <field name="origin_value_reference"/>
              <field name="new_value_reference"/>

            </group>
          </sheet>
        </form>
      </field>
    </record>

    <record id="view_res_partner_changeset_search" model="ir.ui.view">
      <field name="name">res.partner.changeset.search</field>
      <field name="model">res.partner.changeset</field>
      <field name="arch" type="xml">
        <search string="Partner Changeset">
          <field name="partner_id"/>
          <filter string="Pending" name="draft"
            domain="[('state','=','draft')]"/>
          <filter string="Done" name="done"
            domain="[('state','=','done')]"/>
          <group expand="0" string="Group By">
            <filter string="Partner"
              name="groupby_partner_id"
              context="{'group_by': 'partner_id'}"/>
            <filter string="State"
              name="groupby_state"
              context="{'group_by': 'state'}"/>
          </group>
        </search>
      </field>
    </record>

    <record model="ir.actions.act_window" id="action_res_partner_changeset_view">
      <field name="name">Partner Changeset</field>
      <field name="type">ir.actions.act_window</field>
      <field name="res_model">res.partner.changeset</field>
      <field name="view_type">form</field>
      <field name="view_mode">tree,form</field>
      <field name="context">{'search_default_draft': 1}</field>
      <field name="search_view_id" ref="view_res_partner_changeset_search"/>
    </record>

    <menuitem id="menu_res_partner_changeset"
      parent="menu_changeset"
      sequence="20"
      name="Changesets"
      action="action_res_partner_changeset_view"/>
</odoo>