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

#  ============================================================================
#
#  Copyright (C) 2007-2016 Conceptive Engineering bvba.
#  www.conceptive.be / info@conceptive.be
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#      * Redistributions of source code must retain the above copyright
#        notice, this list of conditions and the following disclaimer.
#      * Redistributions in binary form must reproduce the above copyright
#        notice, this list of conditions and the following disclaimer in the
#        documentation and/or other materials provided with the distribution.
#      * Neither the name of Conceptive Engineering nor the
#        names of its contributors may be used to endorse or promote products
#        derived from this software without specific prior written permission.
#  
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
#  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
#  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
#  DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
#  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
#  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
#  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
#  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#  ============================================================================

import six

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

@six.add_metaclass(DocumentationMetaclass)
[docs]class TextEditDelegate(CustomDelegate):
    """Custom delegate for simple string values"""
  
    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_py( 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()