def create_file_dialog(self,
dialog_type=10,
directory='',
allow_multiple=False,
save_filename='',
file_types=()):
"""
Create a file dialog
:param dialog_type: Dialog type: open file (OPEN_DIALOG), save file (SAVE_DIALOG), open folder (OPEN_FOLDER). Default
is open file.
:param directory: Initial directory
:param allow_multiple: Allow multiple selection. Default is false.
:param save_filename: Default filename for save file dialog.
:param file_types: Allowed file types in open file dialog. Should be a tuple of strings in the format:
filetypes = ('Description (*.extension[;*.extension[;...]])', ...)
:return: A tuple of selected files, None if cancelled.
"""
if type(file_types) != tuple and type(file_types) != list:
raise TypeError('file_types must be a tuple of strings')
for f in file_types:
parse_file_type(f)
if not os.path.exists(directory):
directory = ''
return self.gui.create_file_dialog(dialog_type, directory,
allow_multiple, save_filename,
file_types, self.uid)
def create_file_dialog(dialog_type, directory, allow_multiple, save_filename, file_types, uid):
window = BrowserView.instances[uid]
if not directory:
directory = os.environ['HOMEPATH']
try:
if dialog_type == FOLDER_DIALOG:
dialog = WinForms.FolderBrowserDialog()
dialog.RestoreDirectory = True
if directory:
dialog.SelectedPath = directory
result = dialog.ShowDialog(window)
if result == WinForms.DialogResult.OK:
file_path = (dialog.SelectedPath,)
else:
file_path = None
elif dialog_type == OPEN_DIALOG:
dialog = WinForms.OpenFileDialog()
dialog.Multiselect = allow_multiple
dialog.InitialDirectory = directory
if len(file_types) > 0:
dialog.Filter = '|'.join(['{0} ({1})|{1}'.format(*parse_file_type(f)) for f in file_types])
else:
dialog.Filter = window.localization['windows.fileFilter.allFiles'] + ' (*.*)|*.*'
dialog.RestoreDirectory = True
result = dialog.ShowDialog(window)
if result == WinForms.DialogResult.OK:
file_path = tuple(dialog.FileNames)
else:
file_path = None
elif dialog_type == SAVE_DIALOG:
dialog = WinForms.SaveFileDialog()
if len(file_types) > 0:
dialog.Filter = '|'.join(['{0} ({1})|{1}'.format(*parse_file_type(f)) for f in file_types])
else:
dialog.Filter = window.localization['windows.fileFilter.allFiles'] + ' (*.*)|*.*'
dialog.InitialDirectory = directory
dialog.RestoreDirectory = True
dialog.FileName = save_filename
result = dialog.ShowDialog(window)
if result == WinForms.DialogResult.OK:
file_path = dialog.FileName
else:
file_path = None
return file_path
except:
logger.exception('Error invoking {0} dialog'.format(dialog_type))
return None
def create_file_dialog(dialog_type, directory, allow_multiple, save_filename, file_types):
window = list(BrowserView.instances.values())[0] # arbitrary instance
if not directory:
directory = os.environ['HOMEPATH']
try:
if dialog_type == FOLDER_DIALOG:
dialog = WinForms.FolderBrowserDialog()
dialog.RestoreDirectory = True
result = dialog.ShowDialog(window)
if result == WinForms.DialogResult.OK:
file_path = (dialog.SelectedPath,)
else:
file_path = None
elif dialog_type == OPEN_DIALOG:
dialog = WinForms.OpenFileDialog()
dialog.Multiselect = allow_multiple
dialog.InitialDirectory = directory
if len(file_types) > 0:
dialog.Filter = '|'.join(['{0} ({1})|{1}'.format(*parse_file_type(f)) for f in file_types])
else:
dialog.Filter = localization['windows.fileFilter.allFiles'] + ' (*.*)|*.*'
dialog.RestoreDirectory = True
result = dialog.ShowDialog(window)
if result == WinForms.DialogResult.OK:
file_path = tuple(dialog.FileNames)
else:
file_path = None
elif dialog_type == SAVE_DIALOG:
dialog = WinForms.SaveFileDialog()
dialog.Filter = localization['windows.fileFilter.allFiles'] + ' (*.*)|'
dialog.InitialDirectory = directory
dialog.RestoreDirectory = True
dialog.FileName = save_filename
result = dialog.ShowDialog(window)
if result == WinForms.DialogResult.OK:
file_path = dialog.FileName
else:
file_path = None
return file_path
except:
logger.exception('Error invoking {0} dialog'.format(dialog_type))
return None
