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import six
from ....core.qt import Qt, variant_to_py
from camelot.view.controls.editors import MonthsEditor
from camelot.view.controls.delegates.customdelegate import CustomDelegate, DocumentationMetaclass
from camelot.core.utils import ugettext
from camelot.view.proxy import ValueLoading
@six.add_metaclass(DocumentationMetaclass)
[docs]class MonthsDelegate(CustomDelegate):
"""MonthsDelegate
custom delegate for showing and editing months and years
"""
editor = MonthsEditor
def __init__(self, parent=None, forever=200*12, **kwargs):
"""
:param forever: number of months that will be indicated as Forever, set
to None if not appliceable
"""
super(MonthsDelegate, self).__init__(parent=parent, **kwargs)
self._forever = forever
def sizeHint(self, option, index):
q = MonthsEditor(None)
return q.sizeHint()
def paint(self, painter, option, index):
painter.save()
self.drawBackground(painter, option, index)
value = variant_to_py( index.model().data( index, Qt.EditRole ) )
value_str = u''
if self._forever != None and value == self._forever:
value_str = ugettext('Forever')
elif value not in (None, ValueLoading):
years, months = divmod( value, 12 )
if years:
value_str = value_str + ugettext('%i years ')%(years)
if months:
value_str = value_str + ugettext('%i months')%(months)
self.paint_text(painter, option, index, value_str)
painter.restore()