Source code for camelot.view.controls.delegates.filedelegate

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import six

from ....core.qt import variant_to_py, QtGui, Qt
from .customdelegate import CustomDelegate, DocumentationMetaclass
from camelot.view.controls import editors
from camelot.view.proxy import ValueLoading

@six.add_metaclass(DocumentationMetaclass)
[docs]class FileDelegate(CustomDelegate):
    """Delegate for :class:`camelot.types.File` columns.  Expects values of type 
    :class:`camelot.core.files.storage.StoredFile`.
    """
    
    editor = editors.FileEditor
    
    def paint(self, painter, option, index, background_color=QtGui.QColor("white")):
        value =  variant_to_py(index.model().data(index, Qt.EditRole))
        text = ''
        if value not in (None, ValueLoading):
            text = value.verbose_name
        self.paint_text(painter, option, index, text)