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#------------------------------------------------------------------------------
# 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: 12/02/2004
# Description: Define the Tkinter implementation of the various file editors and
# the file editor factory.
#
# Symbols defined: ToolkitEditorFactory
#
#------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
import tk
from os.path import abspath
from enthought.traits.api import List, Str, false
from text_editor import ToolkitEditorFactory as EditorFactory
from text_editor import SimpleEditor as SimpleTextEditor
#-------------------------------------------------------------------------------
# Trait definitions:
#-------------------------------------------------------------------------------
# Wildcard filter:
filter_trait = List( Str )
#-------------------------------------------------------------------------------
# 'ToolkitEditorFactory' class:
#-------------------------------------------------------------------------------
class ToolkitEditorFactory ( EditorFactory ):
#---------------------------------------------------------------------------
# Trait definitions:
#---------------------------------------------------------------------------
filter = filter_trait # Wildcard filter to apply to the file dialog
truncate_ext = false # Should file extension be truncated?
auto_set = false # Is user input set on every keystroke? (override)
#---------------------------------------------------------------------------
# 'Editor' factory methods:
#---------------------------------------------------------------------------
def simple_editor ( self, ui, object, name, description, parent ):
return SimpleEditor( parent,
factory = self,
ui = ui,
object = object,
name = name,
description = description )
#-------------------------------------------------------------------------------
# 'SimpleEditor' class:
#-------------------------------------------------------------------------------
class SimpleEditor ( SimpleTextEditor ):
#---------------------------------------------------------------------------
# Finishes initializing the editor by creating the underlying toolkit
# widget:
#---------------------------------------------------------------------------
def init ( self, parent ):
""" Finishes initializing the editor by creating the underlying toolkit
widget.
"""
self.control = panel = wx.Panel( parent, -1 )
sizer = wx.BoxSizer( wx.HORIZONTAL )
if self.factory.enter_set:
control = wx.TextCtrl( panel, -1, '', style = wx.TE_PROCESS_ENTER )
wx.EVT_TEXT_ENTER( panel, control.GetId(), self.update_object )
else:
control = wx.TextCtrl( panel, -1, '' )
self._filename = control
wx.EVT_KILL_FOCUS( control, self.update_object )
if self.factory.auto_set:
wx.EVT_TEXT( panel, control.GetId(), self.update_object )
sizer.Add( control, 1, wx.EXPAND | wx.ALIGN_CENTER )
button = wx.Button( panel, -1, 'Browse...' )
sizer.Add( button, 0, wx.LEFT | wx.ALIGN_CENTER, 8 )
wx.EVT_BUTTON( panel, button.GetId(), self.show_file_dialog )
panel.SetAutoLayout( True )
panel.SetSizer( sizer )
sizer.Fit( panel )
#---------------------------------------------------------------------------
# Handles the user changing the contents of the edit control:
#---------------------------------------------------------------------------
def update_object ( self, event ):
""" Handles the user changing the contents of the edit control.
"""
try:
filename = self._filename.GetValue()
if self.factory.truncate_ext:
filename = splitext( filename )[0]
self.value = filename
except TraitError, excp:
pass
#---------------------------------------------------------------------------
# Updates the editor when the object trait changes external to the editor:
#---------------------------------------------------------------------------
def update_editor ( self ):
""" Updates the editor when the object trait changes external to the
editor.
"""
self._filename.SetValue( self.str_value )
#---------------------------------------------------------------------------
# Displays the pop-up file dialog:
#---------------------------------------------------------------------------
def show_file_dialog ( self, event ):
""" Displays the pop-up file dialog.
"""
dlg = self.create_file_dialog()
rc = (dlg.ShowModal() == wx.ID_OK)
filename = abspath( dlg.GetPath() )
dlg.Destroy()
if rc:
if self.factory.truncate_ext:
filename = splitext( filename )[0]
self.value = filename
self.update_editor()
#---------------------------------------------------------------------------
# Creates the correct type of file dialog:
#---------------------------------------------------------------------------
def create_file_dialog ( self ):
""" Creates the correct type of file dialog.
"""
dlg = wx.FileDialog( self.control, message = 'Select a File' )
dlg.SetFilename( self._filename.GetValue() )
if len( self.factory.filter ) > 0:
dlg.SetWildcard( '|'.join( self.factory.filter[:] ) )
return dlg
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