def _open_changed(self):
"""Handles the user clicking the 'Open...' button."""
file_name = open_file(
extensions=TextInfo(), filter='Python file (*.py)|*.py', id=demo_id
)
if file_name != '':
self.file_name = file_name
def save_study_as(self, ui_info):
file_name = save_file(filter=['*.pst'],
extensions=[FileInfo(), TextInfo()])
if file_name != '':
ui_info.object.save(file_name)
ui_info.object.file_path = file_name
self._set_title_string(ui_info)
def save_study(self, ui_info):
if ui_info.object.file_path == '':
file_name = save_file(filter=['*.pst'],
extensions=[FileInfo(), TextInfo()])
if file_name == '':
return
else:
file_name = ui_info.object.file_path
ui_info.object.save(file_name)
def open_study(self, ui_info):
if ui_info.object.dirty:
# discard / save dialog
answer = confirm(ui_info.ui.control, 'Study modified. Save it?',
title='Open study',
cancel=True,
default=YES)
if answer == YES:
self.save_study(ui_info)
elif answer == CANCEL:
return
file_name = open_file(filter=['*.pst'],
extensions=[FileInfo(), TextInfo()])
if file_name != '':
ui_info.object.load(file_name)
ui_info.object.file_path = file_name
self._set_title_string(ui_info)
# Issue related to the demo warning: enthought/traitsui#953
from traits.api import HasTraits, File, Button
from traitsui.api import View, HGroup, Item
from traitsui.file_dialog import open_file, FileInfo, TextInfo, ImageInfo
# -- FileDialogDemo Class -------------------------------------------------
# Demo specific file dialig id:
demo_id = 'traitsui.demo.standard_editors.file_dialog.multiple_info'
# The list of file dialog extensions to use:
extensions = [FileInfo(), TextInfo(), ImageInfo()]
class FileDialogDemo(HasTraits):
# The name of the selected file:
file_name = File()
# The button used to display the file dialog:
open = Button('Open...')
# -- Traits View Definitions ----------------------------------------------
traits_view = View(
HGroup(
Item('open', show_label=False),
def _open_exdesign_fired(self):
file_name = open_file(filter=['*.eds'],
extensions=[FileInfo(), TextInfo()])
if file_name != '':
self.exdesign_spec_file = file_name