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

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import six

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

if six.PY3:
    long_int = int
else:
    long_int = six.integer_types[-1]

@six.add_metaclass(DocumentationMetaclass)
[docs]class IntegerDelegate(CustomDelegate):
    """Custom delegate for integer values"""
    
    editor = editors.IntegerEditor
  
    def __init__(self,
                 parent=None,
                 unicode_format = None,
                 **kwargs):
  
        CustomDelegate.__init__(self, parent=parent, **kwargs)
        self.unicode_format = unicode_format
        self.locale = QtCore.QLocale()
        
    def paint(self, painter, option, index):
        painter.save()
        self.drawBackground(painter, option, index)
        value = variant_to_py(index.model().data(index, Qt.EditRole))
          
        if value in (None, ValueLoading):
            value_str = ''
        else:
            value_str = self.locale.toString( long_int(value) )

        if self.unicode_format is not None:
            value_str = self.unicode_format(value)
        
        self.paint_text(painter, option, index, value_str,
                        horizontal_align=Qt.AlignRight)
        painter.restore()