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from ....core.qt import Qt, variant_to_py
import six
from .customdelegate import CustomDelegate, DocumentationMetaclass
from .. import editors
from ...utils import text_from_richtext
from ...proxy import ValueLoading
@six.add_metaclass(DocumentationMetaclass)
[docs]class RichTextDelegate(CustomDelegate):
"""Custom delegate for rich text (HTML) string values
"""
editor = editors.RichTextEditor
def __init__(self, parent=None, editable=True, **kwargs):
CustomDelegate.__init__(self, parent, editable)
self.editable = editable
self._height = self._height * 10
self._width = self._width * 3
def paint(self, painter, option, index):
painter.save()
self.drawBackground(painter, option, index)
value = six.text_type(variant_to_py(index.model().data(index, Qt.EditRole)))
value_str = u''
if value not in (None, ValueLoading):
value_str = ' '.join(text_from_richtext(value))[:256]
self.paint_text(painter, option, index, value_str)
painter.restore()