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28 """
29 Description
30 ===========
31
32 This class represents a possible replacement for wx.DirDialog, with the additional
33 ability of selecting multiple folders at once. It may be useful when you wish to
34 present to the user a directory browser which allows multiple folder selections.
35 MultiDirDialog sports the following features:
36
37 * Ability to select a single or mutliple folders, depending on the style passed;
38 * More colourful and eye-catching buttons;
39 * Good old Python code :-D .
40
41 And a lot more. Check the demo for an almost complete review of the functionalities.
42
43
44 Supported Platforms
45 ===================
46
47 MultiDirDialog has been tested on the following platforms:
48 * Windows (Windows XP).
49
50
51 Latest Revision: Andrea Gavana @ 07 October 2008, 22.00 GMT
52 Version 0.1
53
54 """
55
56 import os
57 import wx
58 import wx.lib.buttons as buttons
59
60 from wx.lib.embeddedimage import PyEmbeddedImage
61
62 DD_MULTIPLE = 1024
63
64 _ = wx.GetTranslation
65
66 _cancel = PyEmbeddedImage(
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85
86
87 _ok = PyEmbeddedImage(
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100
101
102 _cdrom = PyEmbeddedImage(
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118
119
120 _computer = PyEmbeddedImage(
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136
137
138 _folder_close = PyEmbeddedImage(
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149
150
151 _folder_open = PyEmbeddedImage(
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168
169
170 _hd = PyEmbeddedImage(
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188
189
190 _new = PyEmbeddedImage(
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205
206
207 _removable = PyEmbeddedImage(
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221
222
223
224
226 """
227 A different implementation of wx.DirDialog which allows multiple
228 folders to be selected at once.
229 """
230
231 - def __init__(self, parent, message=_("Choose a directory"), title=_("Browse For Folders"),
232 defaultPath="", style=wx.DD_DEFAULT_STYLE|DD_MULTIPLE, pos=wx.DefaultPosition,
233 size=wx.DefaultSize, name="multidirdialog"):
234
235 """
236 Default class constructor.
237
238 @param parent: the dialog parent widget;
239 @param message: the message to show on the dialog;
240 @param title: the dialog title;
241 @param defaultPath: the default path, or the empty string;
242 @param style: the custom dir dialog style;
243 @param pos: the dialog position;
244 @param size: the dialog size;
245 @param name: the dialog name.
246 """
247
248 self.ddStyle = style
249
250 wx.Dialog.__init__(self, parent, pos=pos, size=size, style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER, name=name)
251
252 self.dirCtrl = wx.GenericDirCtrl(self, size=(300, 300), style=wx.DIRCTRL_3D_INTERNAL|wx.DIRCTRL_DIR_ONLY)
253 self.folderText = wx.TextCtrl(self, -1, defaultPath, style=wx.TE_PROCESS_ENTER)
254 self.CreateButtons()
255
256 self.SetProperties(title)
257
258 self.SetupDirCtrl(defaultPath)
259 self.LayoutItems()
260 self.BindEvents()
261
262
264 """ Setup the wx.GenericDirCtrl (icons, labels, etc...). """
265
266 il = wx.ImageList(16, 16)
267
268
269
270
271
272 il.Add(_folder_close.GetBitmap())
273
274
275 il.Add(_folder_open.GetBitmap())
276
277
278 il.Add(_computer.GetBitmap())
279
280
281 il.Add(_hd.GetBitmap())
282
283
284 il.Add(_cdrom.GetBitmap())
285
286
287 il.Add(_removable.GetBitmap())
288
289
290 il.Add(_removable.GetBitmap())
291
292
293 treeCtrl = self.dirCtrl.GetTreeCtrl()
294 treeCtrl.AssignImageList(il)
295
296 if self.ddStyle & DD_MULTIPLE:
297 treeCtrl.SetWindowStyle(treeCtrl.GetWindowStyle() | wx.TR_MULTIPLE)
298
299 if not defaultPath.strip():
300 return
301
302
303 self.dirCtrl.ExpandPath(defaultPath)
304 self.dirCtrl.SetDefaultPath(defaultPath)
305 self.dirCtrl.SetPath(defaultPath)
306
307 self.folderText.SetValue(treeCtrl.GetItemText(treeCtrl.GetSelections()[0]))
308
309
311 """ Sets few properties for the dialog. """
312
313 self.SetTitle(title)
314 self.okButton.SetDefault()
315
316 if self.ddStyle & wx.DD_DIR_MUST_EXIST:
317 self.newButton.Enable(False)
318
319
321 """ Layout the widgets using sizers. """
322
323 mainSizer = wx.BoxSizer(wx.VERTICAL)
324 textSizer = wx.BoxSizer(wx.HORIZONTAL)
325 bottomSizer = wx.BoxSizer(wx.HORIZONTAL)
326
327 staticText = wx.StaticText(self, -1, _("Choose one or more folders:"))
328 staticText.SetFont(wx.Font(8, wx.SWISS, wx.NORMAL, wx.BOLD, False))
329
330
331 mainSizer.Add(staticText, 0, wx.EXPAND|wx.ALL, 10)
332 mainSizer.Add(self.dirCtrl, 1, wx.EXPAND|wx.ALL, 10)
333
334 label = wx.StaticText(self, -1, _("Folder:"))
335 textSizer.Add(label, 0, wx.LEFT|wx.RIGHT|wx.ALIGN_CENTER_VERTICAL, 10)
336 textSizer.Add(self.folderText, 1, wx.RIGHT|wx.EXPAND|wx.ALIGN_CENTER_VERTICAL, 10)
337 mainSizer.Add(textSizer, 0, wx.EXPAND|wx.BOTTOM, 10)
338
339
340 bottomSizer.Add(self.newButton, 0, wx.ALL, 10)
341 bottomSizer.Add((0, 0), 1, wx.EXPAND)
342 bottomSizer.Add(self.okButton, 0, wx.TOP|wx.BOTTOM, 10)
343 bottomSizer.Add(self.cancelButton, 0, wx.TOP|wx.BOTTOM|wx.RIGHT, 10)
344 mainSizer.Add(bottomSizer, 0, wx.EXPAND)
345
346
347 self.SetSizer(mainSizer)
348 mainSizer.Layout()
349 mainSizer.Fit(self)
350 mainSizer.SetSizeHints(self)
351
352
354 """ Returns the folders selected by the user. """
355
356
357
358 treeCtrl = self.dirCtrl.GetTreeCtrl()
359 selections = treeCtrl.GetSelections()
360
361 folders = []
362
363
364 for select in selections:
365 itemText = treeCtrl.GetItemText(select)
366
367 folder = self.RecurseTopDir(treeCtrl, select, itemText)
368 folders.append(os.path.normpath(folder))
369
370 return folders
371
372
374 """
375 Recurse a directory tree to include the parent-folder.
376
377 @param treeCtrl: the tree control associated with wx.GenericDirCtrl;
378 @param item: the selected tree control item;
379 @param itemText: the selected tree control item text.
380 """
381
382
383 parent = treeCtrl.GetItemParent(item)
384 if parent != treeCtrl.GetRootItem():
385
386 itemText = treeCtrl.GetItemText(parent) + "/" + itemText
387 itemText = self.RecurseTopDir(treeCtrl, parent, itemText)
388
389 return itemText
390
391
393 """ Binds the events to specific methods. """
394
395 self.Bind(wx.EVT_BUTTON, self.OnOk, self.okButton)
396 self.Bind(wx.EVT_BUTTON, self.OnCancel, self.cancelButton)
397 self.Bind(wx.EVT_CLOSE, self.OnClose)
398 self.Bind(wx.EVT_CHAR_HOOK, self.OnKeyUp)
399 self.dirCtrl.GetTreeCtrl().Bind(wx.EVT_TREE_SEL_CHANGED, self.OnSelChanged)
400
401
412
413
414 - def OnOk(self, event):
415 """ Handles the Ok wx.EVT_BUTTON event for the dialog. """
416
417 self.EndModal(wx.ID_OK)
418
419
421 """ Handles the Cancel wx.EVT_BUTTON event for the dialog. """
422
423 self.OnClose(event)
424
425
427 """ User canceled the dialog. """
428
429 self.EndModal(wx.ID_CANCEL)
430
431
433 """ Handles the wx.EVT_CHAR_HOOK event for the dialog. """
434
435 if event.GetKeyCode() == wx.WXK_ESCAPE:
436
437 self.OnClose(event)
438 elif event.GetKeyCode() in [wx.WXK_RETURN, wx.WXK_NUMPAD_ENTER]:
439
440 self.OnOk(event)
441
442 event.Skip()
443
444
446 """
447 Handles the wx.EVT_TREE_SEL_CHANGED event for the tree control associated
448 with MultiDirDialog.
449 """
450
451 if self.IsBeingDeleted():
452
453 event.Skip()
454 return
455
456 item = event.GetItem()
457 if not item.IsOk():
458
459 event.Skip()
460 return
461
462 treeCtrl = self.dirCtrl.GetTreeCtrl()
463 text = treeCtrl.GetItemText(item)
464
465 self.folderText.SetValue(text)
466 self.folderText.Refresh()
467
468 event.Skip()
469