web/views/workflow.py
author Pierre-Yves David <pierre-yves.david@logilab.fr>
Mon, 24 Jun 2013 12:05:35 +0200
changeset 9034 cc3442054e48
parent 8665 e65af61bde7d
child 9383 7b3fa5a7a5a3
child 9426 8e87f1e18a37
permissions -rw-r--r--
[repo] move repo stats to Service (closes #2951067) We currently add a new method on repo that anyone can call. Call service allows to reach the same result with: * Restricted access to manager only (thanks to selection on services), * Less unrelated code on the repo. * No need to fetch a reference to a repo object from client side. `req._cnx.repo` is not an API and config.repository() is on its way out. The old way to access this information (repo.stats()) is deprecated.
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# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""workflow views:
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* IWorkflowable views and forms
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* workflow entities views (State, Transition, TrInfo)
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"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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import os
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from warnings import warn
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from logilab.mtconverter import xml_escape
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from logilab.common.graph import escape
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from cubicweb import Unauthorized
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from cubicweb.predicates import (has_related_entities, one_line_rset,
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                                relation_possible, match_form_params,
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                                score_entity, is_instance, adaptable)
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from cubicweb.view import EntityView
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from cubicweb.schema import display_name
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from cubicweb.web import stdmsgs, action, component, form, action
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from cubicweb.web import formfields as ff, formwidgets as fwdgs
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from cubicweb.web.views import TmpFileViewMixin
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from cubicweb.web.views import uicfg, forms, primary, ibreadcrumbs
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from cubicweb.web.views.tabs import TabbedPrimaryView, PrimaryTab
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from cubicweb.web.views.dotgraphview import DotGraphView, DotPropsHandler
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_pvs = uicfg.primaryview_section
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_pvs.tag_subject_of(('Workflow', 'initial_state', '*'), 'hidden')
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_pvs.tag_object_of(('*', 'state_of', 'Workflow'), 'hidden')
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_pvs.tag_object_of(('*', 'transition_of', 'Workflow'), 'hidden')
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_pvs.tag_object_of(('*', 'wf_info_for', '*'), 'hidden')
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for rtype in ('in_state', 'by_transition', 'from_state', 'to_state'):
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    _pvs.tag_subject_of(('*', rtype, '*'), 'hidden')
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    _pvs.tag_object_of(('*', rtype, '*'), 'hidden')
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_pvs.tag_object_of(('*', 'wf_info_for', '*'), 'hidden')
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_abaa = uicfg.actionbox_appearsin_addmenu
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_abaa.tag_subject_of(('BaseTransition', 'condition', 'RQLExpression'), False)
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_abaa.tag_subject_of(('State', 'allowed_transition', 'BaseTransition'), False)
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_abaa.tag_object_of(('SubWorkflowExitPoint', 'destination_state', 'State'),
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                    False)
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_abaa.tag_subject_of(('*', 'wf_info_for', '*'), False)
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_abaa.tag_object_of(('*', 'wf_info_for', '*'), False)
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_abaa.tag_object_of(('*', 'state_of', 'CWEType'), True)
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_abaa.tag_object_of(('*', 'transition_of', 'CWEType'), True)
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_abaa.tag_subject_of(('Transition', 'destination_state', '*'), True)
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_abaa.tag_object_of(('*', 'allowed_transition', 'Transition'), True)
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_abaa.tag_object_of(('*', 'destination_state', 'State'), True)
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_abaa.tag_subject_of(('State', 'allowed_transition', '*'), True)
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_abaa.tag_object_of(('State', 'state_of', 'Workflow'), True)
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_abaa.tag_object_of(('Transition', 'transition_of', 'Workflow'), True)
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_abaa.tag_object_of(('WorkflowTransition', 'transition_of', 'Workflow'), True)
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_afs = uicfg.autoform_section
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_affk = uicfg.autoform_field_kwargs
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# IWorkflowable views #########################################################
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class ChangeStateForm(forms.CompositeEntityForm):
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    # set dom id to ensure there is no conflict with edition form (see
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    # session_key() implementation)
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    __regid__ = domid = 'changestate'
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    form_renderer_id = 'base' # don't want EntityFormRenderer
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    form_buttons = [fwdgs.SubmitButton(),
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                    fwdgs.Button(stdmsgs.BUTTON_CANCEL, cwaction='cancel')]
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class ChangeStateFormView(form.FormViewMixIn, EntityView):
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    __regid__ = 'statuschange'
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    title = _('status change')
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    __select__ = (one_line_rset()
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                  & match_form_params('treid')
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                  & adaptable('IWorkflowable'))
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    def cell_call(self, row, col):
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        entity = self.cw_rset.get_entity(row, col)
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        transition = self._cw.entity_from_eid(self._cw.form['treid'])
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        form = self.get_form(entity, transition)
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        self.w(u'<h4>%s %s</h4>\n' % (self._cw._(transition.name),
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                                      entity.view('oneline')))
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        msg = self._cw._('status will change from %(st1)s to %(st2)s') % {
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            'st1': entity.cw_adapt_to('IWorkflowable').printable_state,
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            'st2': self._cw._(transition.destination(entity).name)}
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        self.w(u'<p>%s</p>\n' % msg)
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        form.render(w=self.w)
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   107
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    def redirectpath(self, entity):
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        return entity.rest_path()
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   110
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    def get_form(self, entity, transition, **kwargs):
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        # XXX used to specify both rset/row/col and entity in case implements
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        # selector (and not is_instance) is used on custom form
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        form = self._cw.vreg['forms'].select(
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            'changestate', self._cw, entity=entity, transition=transition,
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            redirect_path=self.redirectpath(entity), **kwargs)
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        trinfo = self._cw.vreg['etypes'].etype_class('TrInfo')(self._cw)
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        trinfo.eid = self._cw.varmaker.next()
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        subform = self._cw.vreg['forms'].select('edition', self._cw, entity=trinfo,
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                                                mainform=False)
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        subform.field_by_name('wf_info_for', 'subject').value = entity.eid
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        trfield = subform.field_by_name('by_transition', 'subject')
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        trfield.widget = fwdgs.HiddenInput()
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        trfield.value = transition.eid
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        form.add_subform(subform)
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        return form
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   128
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class WFHistoryView(EntityView):
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    __regid__ = 'wfhistory'
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    __select__ = relation_possible('wf_info_for', role='object') & \
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                 score_entity(lambda x: x.cw_adapt_to('IWorkflowable').workflow_history)
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    title = _('Workflow history')
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   135
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    def cell_call(self, row, col, view=None, title=title):
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        _ = self._cw._
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        eid = self.cw_rset[row][col]
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        sel = 'Any FS,TS,C,D'
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        rql = ' ORDERBY D DESC WHERE WF wf_info_for X,'\
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              'WF from_state FS, WF to_state TS, WF comment C,'\
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              'WF creation_date D'
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        if self._cw.vreg.schema.eschema('CWUser').has_perm(self._cw, 'read'):
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            sel += ',U,WF'
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            rql += ', WF owned_by U?'
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            headers = (_('from_state'), _('to_state'), _('comment'), _('date'),
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                       _('CWUser'))
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        else:
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            sel += ',WF'
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            headers = (_('from_state'), _('to_state'), _('comment'), _('date'))
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        rql = '%s %s, X eid %%(x)s' % (sel, rql)
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        try:
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            rset = self._cw.execute(rql, {'x': eid})
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        except Unauthorized:
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            return
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        if rset:
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            if title:
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   158
                self.w(u'<h2>%s</h2>\n' % _(title))
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            self.wview('table', rset, headers=headers,
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                       cellvids={2: 'editable-final'})
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   162
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class WFHistoryVComponent(component.EntityCtxComponent):
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    """display the workflow history for entities supporting it"""
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    __regid__ = 'wfhistory'
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    __select__ = component.EntityCtxComponent.__select__ & WFHistoryView.__select__
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    context = 'navcontentbottom'
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    title = _('Workflow history')
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   169
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    def render_body(self, w):
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        if hasattr(self, 'cell_call'):
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            warn('[3.10] %s should now implement render_body instead of cell_call'
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                 % self.__class__, DeprecationWarning)
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            self.w = w
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            # pylint: disable=E1101
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   176
            self.cell_call(self.entity.cw_row, self.entity.cw_col)
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        else:
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            self.entity.view('wfhistory', w=w, title=None)
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class InContextWithStateView(EntityView):
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    """display incontext view for an entity as well as its current state"""
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    __regid__ = 'incontext-state'
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    __select__ = adaptable('IWorkflowable')
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    def entity_call(self, entity):
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        iwf = entity.cw_adapt_to('IWorkflowable')
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        self.w(u'%s [%s]' % (entity.view('incontext'), iwf.printable_state))
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   189
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# workflow actions #############################################################
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class WorkflowActions(action.Action):
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    """fill 'workflow' sub-menu of the actions box"""
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    __regid__ = 'workflow'
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    __select__ = (action.Action.__select__ & one_line_rset() &
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                  relation_possible('in_state'))
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    submenu = _('workflow')
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    order = 10
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    def fill_menu(self, box, menu):
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        entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0)
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        menu.label = u'%s: %s' % (self._cw._('state'),
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                                  entity.cw_adapt_to('IWorkflowable').printable_state)
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        menu.append_anyway = True
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        super(WorkflowActions, self).fill_menu(box, menu)
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    def actual_actions(self):
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        entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0)
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        iworkflowable = entity.cw_adapt_to('IWorkflowable')
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        hastr = False
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        for tr in iworkflowable.possible_transitions():
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            url = entity.absolute_url(vid='statuschange', treid=tr.eid)
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            yield self.build_action(self._cw._(tr.name), url)
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            hastr = True
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        # don't propose to see wf if user can't pass any transition
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        if hastr:
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            wfurl = iworkflowable.current_workflow.absolute_url()
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            yield self.build_action(self._cw._('view workflow'), wfurl)
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        if iworkflowable.workflow_history:
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            wfurl = entity.absolute_url(vid='wfhistory')
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            yield self.build_action(self._cw._('view history'), wfurl)
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# workflow entity types views ##################################################
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_pvs = uicfg.primaryview_section
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_pvs.tag_subject_of(('Workflow', 'initial_state', '*'), 'hidden')
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_pvs.tag_object_of(('*', 'state_of', 'Workflow'), 'hidden')
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_pvs.tag_object_of(('*', 'transition_of', 'Workflow'), 'hidden')
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_pvs.tag_object_of(('*', 'default_workflow', 'Workflow'), 'hidden')
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_abaa = uicfg.actionbox_appearsin_addmenu
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_abaa.tag_subject_of(('BaseTransition', 'condition', 'RQLExpression'), False)
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_abaa.tag_subject_of(('State', 'allowed_transition', 'BaseTransition'), False)
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_abaa.tag_object_of(('SubWorkflowExitPoint', 'destination_state', 'State'),
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                    False)
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_abaa.tag_object_of(('State', 'state_of', 'Workflow'), True)
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_abaa.tag_object_of(('BaseTransition', 'transition_of', 'Workflow'), False)
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_abaa.tag_object_of(('Transition', 'transition_of', 'Workflow'), True)
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_abaa.tag_object_of(('WorkflowTransition', 'transition_of', 'Workflow'), True)
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class WorkflowPrimaryView(TabbedPrimaryView):
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    __select__ = is_instance('Workflow')
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    tabs = [  _('wf_tab_info'), _('wfgraph'),]
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    default_tab = 'wf_tab_info'
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class StateInContextView(EntityView):
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    """convenience trick, State's incontext view should not be clickable"""
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    __regid__ = 'incontext'
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    __select__ = is_instance('State')
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    def cell_call(self, row, col):
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        self.w(xml_escape(self._cw.view('textincontext', self.cw_rset,
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                                        row=row, col=col)))
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class WorkflowTabTextView(PrimaryTab):
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    __regid__ = 'wf_tab_info'
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    __select__ = PrimaryTab.__select__ & one_line_rset() & is_instance('Workflow')
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    def render_entity_attributes(self, entity):
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        _ = self._cw._
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        self.w(u'<div>%s</div>' % (entity.printable_value('description')))
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        self.w(u'<span>%s%s</span>' % (_("workflow_of").capitalize(), _(" :")))
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        html = []
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        for e in  entity.workflow_of:
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            view = e.view('outofcontext')
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            if entity.eid == e.default_workflow[0].eid:
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                view += u' <span>[%s]</span>' % _('default_workflow')
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            html.append(view)
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        self.w(', '.join(v for v in html))
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        self.w(u'<h2>%s</h2>' % _("Transition_plural"))
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        rset = self._cw.execute(
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            'Any T,T,DS,T,TT ORDERBY TN WHERE T transition_of WF, WF eid %(x)s,'
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            'T type TT, T name TN, T destination_state DS?', {'x': entity.eid})
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        self.wview('table', rset, 'null',
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                   cellvids={ 1: 'trfromstates', 2: 'outofcontext', 3:'trsecurity',},
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                   headers = (_('Transition'),  _('from_state'),
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                              _('to_state'), _('permissions'), _('type') ),
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                   )
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class TransitionSecurityTextView(EntityView):
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    __regid__ = 'trsecurity'
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    __select__ = is_instance('Transition')
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    def cell_call(self, row, col):
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        _ = self._cw._
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        entity = self.cw_rset.get_entity(self.cw_row, self.cw_col)
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        if entity.require_group:
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            self.w(u'<div>%s%s %s</div>' %
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                   (_('groups'), _(" :"),
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                    u', '.join((g.view('incontext') for g
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                               in entity.require_group))))
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        if entity.condition:
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            self.w(u'<div>%s%s %s</div>' %
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                   ( _('conditions'), _(" :"),
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                     u'<br/>'.join((e.dc_title() for e
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                                in entity.condition))))
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class TransitionAllowedTextView(EntityView):
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    __regid__ = 'trfromstates'
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    __select__ = is_instance('Transition')
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    def cell_call(self, row, col):
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        entity = self.cw_rset.get_entity(self.cw_row, self.cw_col)
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        self.w(u', '.join((e.view('outofcontext') for e
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                           in entity.reverse_allowed_transition)))
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# workflow entity types edition ################################################
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def _wf_items_for_relation(req, wfeid, wfrelation, field):
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    wf = req.entity_from_eid(wfeid)
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    rschema = req.vreg.schema[field.name]
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    param = 'toeid' if field.role == 'subject' else 'fromeid'
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    return sorted((e.view('combobox'), unicode(e.eid))
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                  for e in getattr(wf, 'reverse_%s' % wfrelation)
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                  if rschema.has_perm(req, 'add', **{param: e.eid}))
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# TrInfo
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_afs.tag_subject_of(('TrInfo', 'to_state', '*'), 'main', 'hidden')
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_afs.tag_subject_of(('TrInfo', 'from_state', '*'), 'main', 'hidden')
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_afs.tag_attribute(('TrInfo', 'tr_count'), 'main', 'hidden')
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# BaseTransition
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# XXX * allowed_transition BaseTransition
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# XXX BaseTransition destination_state *
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def transition_states_vocabulary(form, field):
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    entity = form.edited_entity
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    if entity.has_eid():
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        wfeid = entity.transition_of[0].eid
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   335
    else:
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        eids = form.linked_to.get(('transition_of', 'subject'))
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        if not eids:
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            return []
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        wfeid = eids[0]
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    return _wf_items_for_relation(form._cw, wfeid, 'state_of', field)
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   341
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_afs.tag_subject_of(('*', 'destination_state', '*'), 'main', 'attributes')
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_affk.tag_subject_of(('*', 'destination_state', '*'),
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                     {'choices': transition_states_vocabulary})
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_afs.tag_object_of(('*', 'allowed_transition', '*'), 'main', 'attributes')
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_affk.tag_object_of(('*', 'allowed_transition', '*'),
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   347
                     {'choices': transition_states_vocabulary})
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# State
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def state_transitions_vocabulary(form, field):
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    entity = form.edited_entity
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    if entity.has_eid():
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   354
        wfeid = entity.state_of[0].eid
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    else :
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   356
        eids = form.linked_to.get(('state_of', 'subject'))
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        if not eids:
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            return []
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   359
        wfeid = eids[0]
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    return _wf_items_for_relation(form._cw, wfeid, 'transition_of', field)
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_afs.tag_subject_of(('State', 'allowed_transition', '*'), 'main', 'attributes')
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   363
_affk.tag_subject_of(('State', 'allowed_transition', '*'),
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   364
                     {'choices': state_transitions_vocabulary})
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   366
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# adaptaters ###################################################################
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class WorkflowIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
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    __select__ = is_instance('Workflow')
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    # XXX what if workflow of multiple types?
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   372
    def parent_entity(self):
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   373
        return self.entity.workflow_of and self.entity.workflow_of[0] or None
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   374
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class WorkflowItemIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
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   376
    __select__ = is_instance('BaseTransition', 'State')
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   377
    def parent_entity(self):
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   378
        return self.entity.workflow
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   379
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   380
class TransitionItemIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
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   381
    __select__ = is_instance('SubWorkflowExitPoint')
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diff changeset
   382
    def parent_entity(self):
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diff changeset
   383
        return self.entity.reverse_subworkflow_exit[0]
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diff changeset
   384
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   385
class TrInfoIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
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diff changeset
   386
    __select__ = is_instance('TrInfo')
5556
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diff changeset
   387
    def parent_entity(self):
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diff changeset
   388
        return self.entity.for_entity
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diff changeset
   389
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diff changeset
   390
3215
bf30ab5ba6ee fix workflow graph views and tabs for the new wf system, remove useless view and action (actually useless since introduction of tabbed entity type view
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diff changeset
   391
# workflow images ##############################################################
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diff changeset
   392
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Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 5877
diff changeset
   393
class WorkflowDotPropsHandler(DotPropsHandler):
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diff changeset
   394
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   395
    def node_properties(self, stateortransition):
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diff changeset
   396
        """return default DOT drawing options for a state or transition"""
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diff changeset
   397
        props = super(WorkflowDotPropsHandler, self).node_properties(stateortransition)
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diff changeset
   398
        if hasattr(stateortransition, 'state_of'):
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diff changeset
   399
            props['shape'] = 'box'
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diff changeset
   400
            props['style'] = 'filled'
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diff changeset
   401
            if stateortransition.reverse_initial_state:
5224
34e669b6fd95 [mq]: worklfow view
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parents: 5174
diff changeset
   402
                props['fillcolor'] = '#88CC88'
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diff changeset
   403
        else:
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diff changeset
   404
            props['shape'] = 'ellipse'
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diff changeset
   405
        return props
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diff changeset
   406
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diff changeset
   407
6103
072f23f6bf83 fix typo
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6093
diff changeset
   408
class WorkflowVisitor(object):
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diff changeset
   409
    def __init__(self, entity):
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diff changeset
   410
        self.entity = entity
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   411
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diff changeset
   412
    def nodes(self):
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diff changeset
   413
        for state in self.entity.reverse_state_of:
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diff changeset
   414
            state.complete()
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diff changeset
   415
            yield state.eid, state
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diff changeset
   416
        for transition in self.entity.reverse_transition_of:
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diff changeset
   417
            transition.complete()
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diff changeset
   418
            yield transition.eid, transition
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diff changeset
   419
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diff changeset
   420
    def edges(self):
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diff changeset
   421
        for transition in self.entity.reverse_transition_of:
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diff changeset
   422
            for incomingstate in transition.reverse_allowed_transition:
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diff changeset
   423
                yield incomingstate.eid, transition.eid, transition
4646
322c3dd96dd5 [workflow] finish refactoring introduced by 021035b9a7ab for 'go back' transition:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   424
            for outgoingstate in transition.potential_destinations():
322c3dd96dd5 [workflow] finish refactoring introduced by 021035b9a7ab for 'go back' transition:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
   425
                yield transition.eid, outgoingstate.eid, transition
1091
b5e253c0dd13 a bit of reorganisation inside web/views:
sylvain.thenault@logilab.fr
parents: 984
diff changeset
   426
6093
9001a74fcc82 more generic dot graph generator
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 5877
diff changeset
   427
class WorkflowGraphView(DotGraphView):
5224
34e669b6fd95 [mq]: worklfow view
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   428
    __regid__ = 'wfgraph'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5752
diff changeset
   429
    __select__ = EntityView.__select__ & one_line_rset() & is_instance('Workflow')
5224
34e669b6fd95 [mq]: worklfow view
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   430
6093
9001a74fcc82 more generic dot graph generator
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 5877
diff changeset
   431
    def build_visitor(self, entity):
9001a74fcc82 more generic dot graph generator
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 5877
diff changeset
   432
        return WorkflowVisitor(entity)
9001a74fcc82 more generic dot graph generator
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 5877
diff changeset
   433
9001a74fcc82 more generic dot graph generator
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 5877
diff changeset
   434
    def build_dotpropshandler(self):
6103
072f23f6bf83 fix typo
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6093
diff changeset
   435
        return WorkflowDotPropsHandler(self._cw)
5224
34e669b6fd95 [mq]: worklfow view
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   436
5682
5628247f51ce [security] view was giving web access to every fs file accessible by the web server process. Fix this security hole by storing file in session data, not direct form parameters
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   437
7403
344aa07dd0f2 [workflow] new 'incontext-state' view for IWorkflowable entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6763
diff changeset
   438
class TmpPngView(TmpFileViewMixin, EntityView):
5682
5628247f51ce [security] view was giving web access to every fs file accessible by the web server process. Fix this security hole by storing file in session data, not direct form parameters
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   439
    __regid__ = 'tmppng'
5628247f51ce [security] view was giving web access to every fs file accessible by the web server process. Fix this security hole by storing file in session data, not direct form parameters
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   440
    __select__ = match_form_params('tmpfile')
1091
b5e253c0dd13 a bit of reorganisation inside web/views:
sylvain.thenault@logilab.fr
parents: 984
diff changeset
   441
    content_type = 'image/png'
5682
5628247f51ce [security] view was giving web access to every fs file accessible by the web server process. Fix this security hole by storing file in session data, not direct form parameters
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   442
    binary = True
1504
c6051f141807 register to catalog, delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   443
5224
34e669b6fd95 [mq]: worklfow view
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   444
    def cell_call(self, row=0, col=0):
5682
5628247f51ce [security] view was giving web access to every fs file accessible by the web server process. Fix this security hole by storing file in session data, not direct form parameters
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   445
        tmpfile = self._cw.session.data[self._cw.form['tmpfile']]
5224
34e669b6fd95 [mq]: worklfow view
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   446
        self.w(open(tmpfile, 'rb').read())
5684
015755f67e46 [workflow image] remove debug code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5682
diff changeset
   447
        os.unlink(tmpfile)