ftw.workspace integration of ftw.task

configure.zcml

<configure
    xmlns="http://namespaces.zope.org/zope"
    xmlns:browser="http://namespaces.zope.org/browser">

    <browser:page
        for="*"
        name="tabbedview_view-tasks"
        class=".tasks.TasksTab"
        permission="zope2.View"
        />

</configure>

profiles_default_types_Workspace.xml

<?xml version="1.0"?>
<object xmlns:i18n="http://xml.zope.org/namespaces/i18n" name="Workspace"
        meta_type="Factory-based Type Information with dynamic views"
        i18n:domain="egov.tabbedview">

    <action title="Tasks" action_id="tasks"
            category="tabbedview-tabs"
            condition_expr="" url_expr="string:${object_url}?view=tasks"
            visible="True">
        <permission value="View"/>
    </action>

</object>

tasks.py

from Products.CMFCore.utils import getToolByName
from ftw.tabbedview.browser.listing import CatalogListingView
from ftw.table import helper
from zope.component.hooks import getSite
from zope.i18nmessageid import MessageFactory


_ = MessageFactory('domain')


def user_or_contact(item, value):
    """Expected `value`: either a userid (string) or
    a list / tuple / set of userids
    Also compatible with uids for contact objects
    """

    if not value:
        return '-'
    elif isinstance(value, basestring):
        userids = (value,)
    elif type(value) in (list, tuple, set):
        userids = value
    else:
        raise ValueError('Expected string or list as value, '
                         'got ' % type(value))

    portal = getSite()
    acl_users = getToolByName(portal, 'acl_users')

    transformed = []

    for userid in userids:
        user = acl_users.getUserById(userid)
        if not user:
            # look for a object
            contact = portal.reference_catalog.lookupObject(userid)
            if contact:
                transformed.append(contact.Title())
            else:
                transformed.append(userid)
        else:
            fullname = user.getProperty('fullname', '').strip()
            transformed.append(fullname or userid)

    return ', '.join(transformed)



def translate_state(item, value):
    """This helper method translates a value like a state in the plone domain"""
    parent = item.aq_parent
    return parent.translate(default=value, domain='plone', msgid=value)



class TasksTab(CatalogListingView):
    """Lists all tasks within this context in a tabbedview listing tab.
    """

    types = ('Task',)

    sort_on = 'sortable_title'

    show_selects = False
    show_menu = False

    columns = (
        {'column': 'Title',
         'sort_index': 'sortable_title',
         'column_title': _(u'label_taskstab_title',
                           default=u'Title'),
         'transform': helper.linked},

        {'column': 'end',
         'column_title': _(u'label_taskstab_end_date',
                           default=u'End'),
         'transform': helper.readable_date_time_text,
         'width': 90},

        {'column': 'getResponsibility',
         'column_title': _(u'label_taskstab_responsibility',
                           default=u'Responsibility'),
         'transform': user_or_contact},

        {'column': 'review_state',
         'column_title': _(u'label_taskstab_review_state',
                           default=u'State'),
         'transform': translate_state,
         'width': 70},

        {'column': 'Creator',
         'column_title': _(u'label_taskstab_creator',
                           default=u'Creator'),
         'transform': user_or_contact},
        )