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'''
Windows file chooser
--------------------
'''
from plyer.facades import FileChooser
from win32com.shell import shell, shellcon
import os
import win32gui
import win32con
import pywintypes
class Win32FileChooser(object):
'''A native implementation of NativeFileChooser using the
Win32 API on Windows.
Not Implemented features (all dialogs):
* preview
* icon
Not implemented features (in directory selection only - it's limited
by Windows itself):
* preview
* window-icon
* multiple
* show_hidden
* filters
* path
'''
path = None
multiple = False
filters = []
preview = False
title = None
icon = None
show_hidden = False
def __init__(self, **kwargs):
# Simulate Kivy's behavior
for i in kwargs:
setattr(self, i, kwargs[i])
def run(self):
try:
if self.mode != "dir":
args = {}
if self.path:
args["InitialDir"] = os.path.dirname(self.path)
path = os.path.splitext(os.path.dirname(self.path))
args["File"] = path[0]
args["DefExt"] = path[1]
args["Title"] = self.title if self.title else "Pick a file..."
args["CustomFilter"] = 'Other file types\x00*.*\x00'
args["FilterIndex"] = 1
filters = ""
for f in self.filters:
if type(f) == str:
filters += (f + "\x00") * 2
else:
filters += f[0] + "\x00" + ";".join(f[1:]) + "\x00"
args["Filter"] = filters
flags = (win32con.OFN_EXTENSIONDIFFERENT |
win32con.OFN_OVERWRITEPROMPT)
if self.multiple:
flags |= win32con.OFN_ALLOWmultiple | win32con.OFN_EXPLORER
if self.show_hidden:
flags |= win32con.OFN_FORCESHOWHIDDEN
args["Flags"] = flags
if self.mode == "open":
self.fname, _, _ = win32gui.GetOpenFileNameW(**args)
elif self.mode == "save":
self.fname, _, _ = win32gui.GetSaveFileNameW(**args)
if self.fname:
if self.multiple:
seq = str(self.fname).split("\x00")
dir_n, base_n = seq[0], seq[1:]
self.selection = [os.path.join(dir_n, i)
for i in base_n]
else:
self.selection = str(self.fname).split("\x00")
else:
# From http://goo.gl/UDqCqo
pidl, display_name, image_list = shell.SHBrowseForFolder(
win32gui.GetDesktopWindow(),
None,
self.title if self.title else "Pick a folder...",
0, None, None
)
self.selection = [str(shell.SHGetPathFromIDList(pidl))]
return self.selection
except (RuntimeError, pywintypes.error):
return None
class WinFileChooser(FileChooser):
'''FileChooser implementation for Windows, using win3all.
'''
def _file_selection_dialog(self, **kwargs):
return Win32FileChooser(**kwargs).run()
def instance():
return WinFileChooser()
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