# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""Specific views for entities implementing IProgress/IMileStone"""
__docformat__ = "restructuredtext en"
_ = unicode
from math import floor
from logilab.mtconverter import xml_escape
from cubicweb.utils import make_uid
from cubicweb.selectors import adaptable
from cubicweb.schema import display_name
from cubicweb.view import EntityView
from cubicweb.web.views.tableview import EntityAttributesTableView
class ProgressTableView(EntityAttributesTableView):
"""The progress table view is able to display progress information
of any object implement IMileStone.
The default layout is composoed of 7 columns : parent task,
milestone, state, estimated date, cost, progressbar, and todo_by
The view accepts an optional ``columns`` paramater that lets you
remove or reorder some of those columns.
To add new columns, you should extend this class, define a new
``columns`` class attribute and implement corresponding
build_COLNAME_cell methods
header_for_COLNAME methods allow to customize header's label
"""
__regid__ = 'progress_table_view'
__select__ = adaptable('IMileStone')
title = _('task progression')
table_css = "progress"
css_files = ('cubicweb.iprogress.css',)
# default columns of the table
columns = (_('project'), _('milestone'), _('state'), _('eta_date'),
_('cost'), _('progress'), _('todo_by'))
def cell_call(self, row, col):
_ = self._cw._
entity = self.cw_rset.get_entity(row, col)
infos = {}
for col in self.columns:
meth = getattr(self, 'build_%s_cell' % col, None)
# find the build method or try to find matching attribute
if meth:
content = meth(entity)
else:
content = entity.printable_value(col)
infos[col] = content
cssclass = entity.cw_adapt_to('IMileStone').progress_class()
self.w(u"""<tr class="%s" onmouseover="$(this).addClass('highlighted');"
onmouseout="$(this).removeClass('highlighted')">""" % cssclass)
line = u''.join(u'<td>%%(%s)s</td>' % col for col in self.columns)
self.w(line % infos)
self.w(u'</tr>\n')
## header management ######################################################
def header_for_project(self, sample):
"""use entity's parent type as label"""
return display_name(self._cw, sample.cw_adapt_to('IMileStone').parent_type)
def header_for_milestone(self, sample):
"""use entity's type as label"""
return display_name(self._cw, sample.__regid__)
## cell management ########################################################
def build_project_cell(self, entity):
"""``project`` column cell renderer"""
project = entity.cw_adapt_to('IMileStone').get_main_task()
if project:
return project.view('incontext')
return self._cw._('no related project')
def build_milestone_cell(self, entity):
"""``milestone`` column cell renderer"""
return entity.view('incontext')
def build_state_cell(self, entity):
"""``state`` column cell renderer"""
return xml_escape(entity.cw_adapt_to('IWorkflowable').printable_state)
def build_eta_date_cell(self, entity):
"""``eta_date`` column cell renderer"""
imilestone = entity.cw_adapt_to('IMileStone')
if imilestone.finished():
return self._cw.format_date(imilestone.completion_date())
formated_date = self._cw.format_date(imilestone.initial_prevision_date())
if imilestone.in_progress():
eta_date = self._cw.format_date(imilestone.eta_date())
_ = self._cw._
if formated_date:
formated_date += u' (%s %s)' % (_('expected:'), eta_date)
else:
formated_date = u'%s %s' % (_('expected:'), eta_date)
return formated_date
def build_todo_by_cell(self, entity):
"""``todo_by`` column cell renderer"""
imilestone = entity.cw_adapt_to('IMileStone')
return u', '.join(p.view('outofcontext') for p in imilestone.contractors())
def build_cost_cell(self, entity):
"""``cost`` column cell renderer"""
_ = self._cw._
imilestone = entity.cw_adapt_to('IMileStone')
pinfo = imilestone.progress_info()
totalcost = pinfo.get('estimatedcorrected', pinfo['estimated'])
missing = pinfo.get('notestimatedcorrected', pinfo.get('notestimated', 0))
costdescr = []
if missing:
# XXX: link to unestimated entities
costdescr.append(_('%s not estimated') % missing)
estimated = pinfo['estimated']
if estimated and estimated != totalcost:
costdescr.append(_('initial estimation %s') % estimated)
if costdescr:
return u'%s (%s)' % (totalcost, ', '.join(costdescr))
return unicode(totalcost)
def build_progress_cell(self, entity):
"""``progress`` column cell renderer"""
return entity.view('progressbar')
class InContextProgressTableView(ProgressTableView):
"""this views redirects to ``progress_table_view`` but removes
the ``project`` column
"""
__regid__ = 'ic_progress_table_view'
def call(self, columns=None):
view = self._cw.vreg['views'].select('progress_table_view', self._cw,
rset=self.cw_rset)
columns = list(columns or view.columns)
try:
columns.remove('project')
except ValueError:
self.info('[ic_progress_table_view] could not remove project from columns')
view.render(w=self.w, columns=columns)
class ProgressBarView(EntityView):
"""displays a progress bar"""
__regid__ = 'progressbar'
__select__ = adaptable('IProgress')
title = _('progress bar')
precision = 0.1
red_threshold = 1.1
orange_threshold = 1.05
yellow_threshold = 1
@classmethod
def overrun(cls, iprogress):
done = iprogress.done or 0
todo = iprogress.todo or 0
budget = iprogress.revised_cost or 0
if done + todo > budget:
overrun = done + todo - budget
else:
overrun = 0
if overrun < cls.precision:
overrun = 0
return overrun
@classmethod
def overrun_percentage(cls, iprogress):
budget = iprogress.revised_cost or 0
if budget == 0:
return 0
return cls.overrun(iprogress) * 100. / budget
def cell_call(self, row, col):
self._cw.add_css('cubicweb.iprogress.css')
self._cw.add_js('cubicweb.iprogress.js')
entity = self.cw_rset.get_entity(row, col)
iprogress = entity.cw_adapt_to('IProgress')
done = iprogress.done or 0
todo = iprogress.todo or 0
budget = iprogress.revised_cost or 0
if budget == 0:
pourcent = 100
else:
pourcent = done*100./budget
if pourcent > 100.1:
color = 'red'
elif todo+done > self.red_threshold*budget:
color = 'red'
elif todo+done > self.orange_threshold*budget:
color = 'orange'
elif todo+done > self.yellow_threshold*budget:
color = 'yellow'
else:
color = 'green'
if pourcent < 0:
pourcent = 0
if floor(done) == done or done>100:
done_str = '%i' % done
else:
done_str = '%.1f' % done
if floor(budget) == budget or budget>100:
budget_str = '%i' % budget
else:
budget_str = '%.1f' % budget
title = u'%s/%s = %i%%' % (done_str, budget_str, pourcent)
short_title = title
overrunpercent = self.overrun_percentage(iprogress)
if overrunpercent:
overrun = self.overrun(iprogress)
title += u' overrun +%sj (+%i%%)' % (overrun, overrunpercent)
if floor(overrun) == overrun or overrun > 100:
short_title += u' +%i' % overrun
else:
short_title += u' +%.1f' % overrun
# write bars
maxi = max(done+todo, budget)
if maxi == 0:
maxi = 1
cid = make_uid('progress_bar')
self._cw.html_headers.add_onload(
'draw_progressbar("canvas%s", %i, %i, %i, "%s");' %
(cid, int(100.*done/maxi), int(100.*(done+todo)/maxi),
int(100.*budget/maxi), color))
self.w(u'%s<br/>'
u'<canvas class="progressbar" id="canvas%s" width="100" height="10"></canvas>'
% (xml_escape(short_title), cid))