#------------------------------------------------------------------------------
#
#  Copyright (c) 2005, Enthought, Inc.
#  All rights reserved.
#
#  This software is provided without warranty under the terms of the BSD
#  license included in enthought/LICENSE.txt and may be redistributed only
#  under the conditions described in the aforementioned license.  The license
#  is also available online at http://www.enthought.com/licenses/BSD.txt
#
#  Thanks for using Enthought open source!
#
#  Author: David C. Morrill
#  Date:   10/21/2004
#
#------------------------------------------------------------------------------

""" Defines the compound editor and the compound editor factory for the
    wxPython user interface toolkit.
"""

#-------------------------------------------------------------------------------
#  Imports:
#-------------------------------------------------------------------------------

import wx

from traits.api \
    import Str

# FIXME: ToolkitEditorFactory is a proxy class defined here just for backward
# compatibility. The class has been moved to the
# traitsui.editors.compound_editor file.
from traitsui.editors.compound_editor \
    import ToolkitEditorFactory

from .editor \
    import Editor

from .helper \
    import TraitsUIPanel

#-------------------------------------------------------------------------------
#  'CompoundEditor' class:
#-------------------------------------------------------------------------------

class CompoundEditor ( Editor ):
    """ Editor for compound traits, which displays editors for each of the
    combined traits, in the appropriate style.
    """
    #---------------------------------------------------------------------------
    #  Trait definitions:
    #---------------------------------------------------------------------------

    # The kind of editor to create for each list item
    kind = Str

    #---------------------------------------------------------------------------
    #  Finishes initializing the editor by creating the underlying toolkit
    #  widget:
    #---------------------------------------------------------------------------

    def init ( self, parent ):
        """ Finishes initializing the editor by creating the underlying toolkit
            widget.
        """
        # Create a panel to hold all of the component trait editors:
        self.control = panel = TraitsUIPanel( parent, -1 )
        sizer        = wx.BoxSizer( wx.VERTICAL )

        # Add all of the component trait editors:
        self._editors = editors = []
        for factory in self.factory.editors:
            editor = getattr( factory, self.kind )( self.ui, self.object,
                                       self.name, self.description, panel )
            editor.prepare( panel )
            sizer.Add( editor.control, 1,
                       wx.TOP | wx.BOTTOM | editor.layout_style, 3 )
            editors.append( editor )

        # Set-up the layout:
        panel.SetSizerAndFit( sizer )

        self.set_tooltip()

    #---------------------------------------------------------------------------
    #  Updates the editor when the object trait changes external to the editor:
    #---------------------------------------------------------------------------

    def update_editor ( self ):
        """ Updates the editor when the object trait changes externally to the
            editor.
        """
        pass

    #---------------------------------------------------------------------------
    #  Disposes of the contents of an editor:
    #---------------------------------------------------------------------------

    def dispose ( self ):
        """ Disposes of the contents of an editor.
        """
        for editor in self._editors:
            editor.dispose()

        super( CompoundEditor, self ).dispose()

#-------------------------------------------------------------------------------
#  'SimpleEditor' class:
#-------------------------------------------------------------------------------

class SimpleEditor(CompoundEditor):

    # The kind of editor to create for each list item. This value overrides
    # the default.
    kind = 'simple_editor'

#-------------------------------------------------------------------------------
#  'CustomEditor' class:
#-------------------------------------------------------------------------------

class CustomEditor(CompoundEditor):

    # The kind of editor to create for each list item. This value overrides
    # the default.

    kind = 'custom_editor'

#-- EOF ----------------------------------------------------------------------
