knowledge/document_page_approval/document_page_wkfl.xml

<?xml version="1.0"?>
<openerp>
    <data>

        <record model="workflow" id="wkf_document_page_history_aproval">
            <field name="name">document.page.history.aproval.wkf</field>
            <field name="osv">document.page.history</field>
            <field name="on_create">True</field>
        </record>

        <record model="workflow.activity" id="act_approved">
            <field name="wkf_id"
                   ref="wkf_document_page_history_aproval" />
            <field name="name">approved</field>
            <field name="kind">function</field>
            <field name="action">page_approval_approved()</field>
            <field name="flow_stop">True</field>
        </record>

        <record model="workflow.activity" id="act_draft">
            <field name="wkf_id"
                   ref="wkf_document_page_history_aproval" />
            <field name="flow_start">True</field>
            <field name="name">draft</field>
            <field name="kind">function</field>
            <field name="action">page_approval_draft()</field>
        </record>

        <record model="workflow.transition" id="tda">
            <field name="act_from" ref="act_draft" />
            <field name="act_to" ref="act_approved" />
            <field name="signal">page_approval_approve</field>
        </record>

        <record model="workflow.transition" id="tad">
            <field name="act_from" ref="act_approved" />
            <field name="act_to" ref="act_draft" />
            <field name="signal">edit</field>
        </record>

    </data>

</openerp>