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

#  ============================================================================
#
#  Copyright (C) 2007-2013 Conceptive Engineering bvba. All rights reserved.
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#  This file is part of the Camelot Library.
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#  and appearing in the file license.txt included in the packaging of
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#  ============================================================================
from PyQt4.QtCore import Qt

from customdelegate import CustomDelegate, DocumentationMetaclass
from camelot.view.controls import editors
from camelot.view.proxy import ValueLoading
from camelot.core.utils import ugettext, variant_to_pyobject

class TextEditDelegate(CustomDelegate):
    """Custom delegate for simple string values"""
  
    __metaclass__ = DocumentationMetaclass
  
    editor = editors.TextEditEditor
      
    def __init__( self, 
                  parent = None,
                  **kwargs ):
        CustomDelegate.__init__( self, parent, **kwargs )
    
    def paint(self, painter, option, index):
        painter.save()
        self.drawBackground(painter, option, index)
        value = variant_to_pyobject( index.model().data( index, Qt.EditRole ) )
        
        value_str = u''
        if value not in (None, ValueLoading):
            value_str = ugettext(value)

        self.paint_text(painter, option, index, value_str)
        painter.restore()