1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
|
# Copyright (C) 2009 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sys
from PyQt4 import QtCore, QtGui
try:
from bzrlib.osutils import parent_directories
except ImportError:
from bzrlib.plugins.explorer.lib.helpers import parent_directories
from bzrlib.plugins.explorer.lib import kinds
from bzrlib.plugins.explorer.lib.helpers import build_combo_with_labels
from bzrlib.plugins.explorer.lib.i18n import gettext, N_
from bzrlib.plugins.qbzr.lib import treewidget
class WorkingTreeBrowser(QtGui.QDockWidget):
def __init__(self, action_callback, browse_action, *args):
self._action_callback = action_callback
self._browse_action = browse_action
QtGui.QDockWidget.__init__(self, *args)
self.setObjectName("WorkingTreeDockWidget")
self._style = 'qbrowse'
self._tree = None
self._branch = None
# Show either a message or the actual browser
msg = QtGui.QTextBrowser()
msg.setText(gettext("No working tree"))
self._browser = _QBrowseStyleBrowser(action_callback, browse_action, self)
self._stacked = QtGui.QStackedWidget()
self._stacked.addWidget(msg)
self._stacked.addWidget(self._browser)
self.setWidget(self._stacked)
def set_tree(self, tree, branch):
"""Display the given working tree.
:param tree: the WorkingTree to display.
If None, the view is cleared.
"""
if tree is None:
# Show the message
self._stacked.setCurrentIndex(0)
else:
# Show the browser
self._browser.set_tree(tree, branch)
if self._style == 'qbrowse':
index = 1
else:
index = 2
self._stacked.setCurrentIndex(index)
self._tree = tree
self._branch = branch
def refresh(self):
"""Refresh the browser."""
if self._tree is not None:
self._browser.refresh()
def get_style(self):
return self._style
def set_style(self, style):
"""Set the style: either qbrowse or classic."""
self._style = style
if style == 'classic':
if self._stacked.count() == 2:
classic_browser = _ClassicBrowser(self._action_callback,
self._browse_action)
self._stacked.addWidget(classic_browser)
index = 2
else:
index = 1
self._browser = self._stacked.widget(index)
self._browser.set_tree(self._tree, self._branch)
self._stacked.setCurrentIndex(index)
def set_default_action(self, default_action):
"""Set the default action to either 'open' or 'edit'."""
self._browser.set_default_action(default_action)
class _ActionPanel(QtGui.QToolBar):
def __init__(self, action_callback, browse_action, *args):
self._action_callback = action_callback
self._browse_action = browse_action
QtGui.QDialogButtonBox.__init__(self, *args)
self._root = None
self._selected_fileinfo = None
self._button_style = QtCore.Qt.ToolButtonTextUnderIcon
# Build the buttons and add them to a panel
self._open_button = self._build_button(
kinds.icon_for_kind(kinds.OPEN_ACTION),
gettext("&Open"),
gettext("Open selected item"),
self._do_open_file)
self._edit_button = self._build_button(
kinds.icon_for_kind(kinds.EDIT_ACTION),
gettext("&Edit"),
gettext("Edit selected item"),
self._do_edit_file)
self.addSeparator()
self._build_button(
kinds.icon_for_kind(kinds.OPEN_FOLDER_ACTION),
gettext("&Manage"),
gettext("Open file manager on folder"),
self._do_open_folder)
self._build_button(
kinds.icon_for_kind(kinds.NEW_FILE_ACTION),
gettext("&New File"),
gettext("Create a new file"),
self._do_new_file)
self._build_button(
kinds.icon_for_kind(kinds.NEW_FOLDER_ACTION),
gettext("New &Folder"),
gettext("Create a new folder"),
self._do_new_folder)
self.addSeparator()
self._build_button(
self._browse_action.icon(),
self._browse_action.iconText(),
self._browse_action.statusTip(),
self._do_browse_items)
self.addSeparator()
self._build_button(
kinds.icon_for_kind(kinds.COLLAPSE_ALL_ACTION),
gettext("&Collapse"),
gettext("Fully collapse tree"),
self._do_collapse_all)
self._build_button(
kinds.icon_for_kind(kinds.EXPAND_ALL_ACTION),
gettext("&Expand"),
gettext("Fully expand tree"),
self._do_expand_all)
def _build_button(self, icon, text, tooltip, callback, arrow=None):
button = QtGui.QToolButton()
button.setText(text)
if arrow:
button.setArrowType(arrow)
else:
button.setIcon(icon)
button.setToolTip(tooltip)
#button.setToolButtonStyle(self._button_style)
button.setAutoRaise(True)
#self.addButton(button, QtGui.QDialogButtonBox.ActionRole)
self.addWidget(button)
self.connect(button, QtCore.SIGNAL("clicked(bool)"), callback)
return button
def _get_folder(self):
fileinfo = self._selected_fileinfo
if fileinfo is None:
folder = self._root
elif fileinfo.isDir():
folder = fileinfo.canonicalFilePath()
else:
folder = fileinfo.canonicalPath()
return unicode(folder)
def _do_browse_items(self):
self._action_callback("browse", None)
def _do_open_folder(self):
self._action_callback("open", self._get_folder())
def _do_open_file(self):
fileinfo = self._selected_fileinfo
path = fileinfo.canonicalFilePath()
self._action_callback("open", unicode(path))
def _do_edit_file(self):
fileinfo = self._selected_fileinfo
path = fileinfo.canonicalFilePath()
self._action_callback("edit", unicode(path))
def _do_new_file(self):
destination = self._get_folder()
self._action_callback("new-file", destination)
self._tree_viewer.refresh()
def _do_new_folder(self):
destination = self._get_folder()
self._action_callback("new-directory", destination)
self._tree_viewer.refresh()
def _do_collapse_all(self):
self._tree_viewer.collapseAll()
def _do_expand_all(self):
self._tree_viewer.expandAll()
def set_viewer(self, tree_viewer):
self._tree_viewer = tree_viewer
def set_root(self, path):
self._root = path
def set_selection(self, fileinfo, model_index=None):
self._selected_fileinfo = fileinfo
self._selected_index = model_index
edit_is_enabled = True
if fileinfo is None or fileinfo.isDir():
edit_is_enabled = False
self._edit_button.setEnabled(edit_is_enabled)
self._open_button.setEnabled(edit_is_enabled)
class _FilterPanel(QtGui.QWidget):
def __init__(self, *args):
QtGui.QWidget.__init__(self, *args)
self._tree_viewer = None
self._apply_filter_callback = ''
# Build the controls
filter_label = QtGui.QLabel(gettext("Filter:"))
self._filter_field = QtGui.QLineEdit()
self._filter_cancel_button = QtGui.QToolButton()
self._filter_cancel_button.setAutoRaise(True)
self._filter_cancel_button.setEnabled(False)
self._filter_cancel_button.setIcon(kinds.icon_for_kind(
kinds.CANCEL_ACTION))
self._filter_cancel_button.setToolTip(gettext("Clear the filter"))
# Connect up the controls to handlers
self.connect(self._filter_field, QtCore.SIGNAL("textChanged(QString)"),
self._apply_filter)
self.connect(self._filter_cancel_button, QtCore.SIGNAL("clicked(bool)"),
self.clear_filter)
# Put the controls together
layout = QtGui.QHBoxLayout()
layout.addWidget(filter_label)
layout.addWidget(self._filter_field)
layout.addWidget(self._filter_cancel_button)
layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(layout)
def _apply_filter(self, text):
self._apply_filter_callback(text)
if text:
self._filter_cancel_button.setEnabled(True)
else:
self._filter_cancel_button.setEnabled(False)
self._current_filter = text
def clear_filter(self):
self._filter_field.setText('')
def get_filter(self):
return unicode(self._filter_field.text())
def set_apply_filter(self, apply_filter_callback):
self._apply_filter_callback = apply_filter_callback
class _TreeViewer(QtGui.QTreeView):
def __init__(self, action_callback, selection_callback,
filter_callback, *args):
self._action_callback = action_callback
self._selection_callback = selection_callback
self._filter_callback = filter_callback
QtGui.QTreeView.__init__(self, *args)
self._default_action = "open"
# Use a proxy model so we can filter on the path.
self._source_model = _TreeModel()
self._model = _PathBasedSortFilterProxyModel(self._filter_callback)
self._model.setSourceModel(self._source_model)
self.setModel(self._model)
self._configure_ui()
# Track the selection
self.connect(self, QtCore.SIGNAL("doubleClicked(QModelIndex)"),
self._do_double_clicked)
sel_model = self.selectionModel()
self.connect(sel_model,
QtCore.SIGNAL("currentChanged(QModelIndex,QModelIndex)"),
self._do_current_changed)
def _configure_ui(self):
# Hide all except the Name column
for i in range(1, self._model.columnCount()):
self.setColumnHidden(i, True)
if getattr(self, 'setHeaderHidden', None):
self.setHeaderHidden(True)
def _do_double_clicked(self, model_index):
fileinfo = self._get_fileinfo(model_index)
if fileinfo is not None and not fileinfo.isDir():
path = fileinfo.canonicalFilePath()
self._action_callback(self._default_action, unicode(path))
def _do_current_changed(self, model_index, prev_model_index):
fileinfo = self._get_fileinfo(model_index)
self._selection_callback(fileinfo, model_index)
def _get_fileinfo(self, model_index):
model = model_index.model()
if model is None:
fileinfo = None
else:
source_index = model.mapToSource(model_index)
fileinfo = self._source_model.fileInfo(source_index)
return fileinfo
def set_tree(self, tree, branch):
"""Change the view to display the given working tree."""
path = tree.basedir
source_index = self._source_model.index(path)
index = self._model.mapFromSource(source_index)
self.setRootIndex(index)
self.selectionModel().reset()
self._model.set_root(path)
def refresh(self):
"""Refresh the view."""
self._source_model.refresh()
def invalidate_filter(self):
self._model.invalidateFilter()
def set_default_action(self, default_action):
"""Set the default action to either 'open' or 'edit'."""
self._default_action = default_action
class _TreeModel(QtGui.QDirModel):
def __init__(self, parent=None):
QtGui.QDirModel.__init__(self, parent)
# Set the sort flags: directories first,
# on Windows items are case-insensitive
flags = QtCore.QDir.SortFlags(QtCore.QDir.Name|QtCore.QDir.DirsFirst)
if sys.platform == 'win32':
flags |= QtCore.QDir.IgnoreCase
self.setSorting(flags)
class _PathBasedSortFilterProxyModel(QtGui.QSortFilterProxyModel):
def __init__(self, filter_callback, parent=None):
QtGui.QSortFilterProxyModel.__init__(self, parent)
self._filter_callback = filter_callback
self._root = None
self._interesting = None
def set_root(self, root):
self._root = root
def invalidateFilter(self):
self._text = self._filter_callback()
if self._text == '':
self._interesting = None
else:
# We only want to show directories containing matching items so
# we need to do a pass in advance working out what's of interest
self._source = self.sourceModel()
root_index = self._source.index(self._root)
self._interesting = self._find_interesting(self._source,
root_index, self._text)
QtGui.QSortFilterProxyModel.invalidateFilter(self)
def _find_interesting(self, source, root_index, text):
interesting = set([''])
directories = set()
for source_index in self._iter_children(source, root_index):
fileinfo = source.fileInfo(source_index)
abspath = unicode(fileinfo.absoluteFilePath())
relpath = abspath[len(self._root) + 1:]
if relpath.find(text) >= 0:
interesting.add(relpath)
directories.update(parent_directories(relpath))
interesting.update(directories)
#print "\ninteresting for %s ...\n%s" % (text, "\n".join(sorted(interesting)))
return interesting
def _iter_children(self, source, parent):
for i in range(0, source.rowCount(parent)):
index = source.index(i, 0, parent)
yield index
for child in self._iter_children(source, index):
yield child
def filterAcceptsRow(self, source_row, source_parent):
if self._interesting is None:
return True
result = False
source_index = self._source.index(source_row, 0, source_parent)
fileinfo = self._source.fileInfo(source_index)
abspath = unicode(fileinfo.absoluteFilePath())
if abspath.startswith(self._root):
# We're inside the tree of interest
relpath = abspath[len(self._root) + 1:]
result = relpath in self._interesting
elif fileinfo.isDir():
# We're interested if it's a parent of the root
result = self._root.startswith(abspath)
return result
class _AbstractBrowser(QtGui.QWidget):
filter_panel_factory = _FilterPanel
tree_viewer_factory = _TreeViewer
action_panel_factory = _ActionPanel
def __init__(self, action_callback, browse_action, *args):
self._action_callback = action_callback
self._browse_action = browse_action
QtGui.QWidget.__init__(self, *args)
# Build the ui components
self._action_panel = self.action_panel_factory(action_callback,
browse_action)
self._filter_panel = self.filter_panel_factory()
self._tree_viewer = self.tree_viewer_factory(action_callback,
self._action_panel.set_selection, self._filter_panel.get_filter)
self._action_panel.set_viewer(self._tree_viewer)
self._filter_panel.set_apply_filter(self._apply_filter)
# Put them together
layout = QtGui.QVBoxLayout()
layout.addWidget(self._filter_panel)
layout.addWidget(self._tree_viewer)
layout.addWidget(self._action_panel)
self.setLayout(layout)
def set_tree(self, tree, branch):
"""Display the given working tree."""
self._tree_viewer.set_tree(tree, branch)
self._action_panel.set_root(tree.basedir)
self._action_panel.set_selection(None)
self._filter_panel.clear_filter()
def refresh(self):
"""Refresh the browser."""
self._tree_viewer.refresh()
def set_default_action(self, default_action):
"""Set the default action to either 'open' or 'edit'."""
self._tree_viewer.set_default_action(default_action)
class _ClassicBrowser(_AbstractBrowser):
def _apply_filter(self, text):
self._tree_viewer.invalidate_filter()
if text:
# Filtering active. We want to see all matches and
# this mostly works. It seems to struggle though when
# the filter gets shorter - maybe a Qt 4.4 bug w.r.t.
# propagating exactly what's changed to the view?
self._tree_viewer.expandAll()
else:
# Filtering cleared. Restore the initial view with
# everything collapsed. (If the user has selectively
# expanded some directories out before filtering,
# collapsing all here implies losing that setup. We
# could always remember the expanded directories at
# the start of filtering and restore them at this
# point if it proves a problem in practice.)
self._tree_viewer.collapseAll()
self._tree_viewer.refresh()
### QBrowse style browser support ###
# The map from filter category to filter flags for TreeFilterProxyModels
_FILTER_FLAGS_MAP = {
# The flag order is UNCHANGED, CHANGED, UNVERSIONED, IGNORED
'all': [True, True, True, True],
'changed': [False, True, False, False],
'versioned': [True, True, False, False],
'unversioned': [False, False, True, False],
'ignored': [False, False, True, True],
'unignored': [True, True, True, False],
}
class _QBrowseStyleFilterPanel(QtGui.QWidget):
def __init__(self, *args):
QtGui.QWidget.__init__(self, *args)
self._tree_viewer = None
# Build the controls
self._category_combo = build_combo_with_labels([
('all', gettext("All")),
('changed', gettext("Changed")),
('versioned', gettext("Versioned")),
('unversioned', gettext("Unversioned")),
('ignored', gettext("Ignored")),
('unignored', gettext("Unignored")),
])
self._category_combo.setCurrentIndex(5)
self._text_filter = _FilterPanel()
# Connect up the controls to handlers
QtCore.QObject.connect(self._category_combo,
QtCore.SIGNAL("currentIndexChanged(int)"),
self._apply_category)
self._text_filter.set_apply_filter(self._apply_text)
# Put the controls together
layout = QtGui.QHBoxLayout()
layout.addWidget(self._category_combo)
layout.addWidget(self._text_filter)
layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(layout)
def _flags_for_index(self, index):
category = str(self._category_combo.itemData(index).toString())
return _FILTER_FLAGS_MAP[category]
def _apply_category(self, index):
self._apply_filter_callback(self._flags_for_index(index), True,
self._text_filter.get_filter(), False)
def _apply_text(self, text):
index = self._category_combo.currentIndex()
self._apply_filter_callback(self._flags_for_index(index), False,
text, True)
def clear_filter(self):
self._text_filter.clear_filter()
def get_filter(self):
index = self._category_combo.currentIndex()
return self._flags_for_index(index), self._text_filter.get_filter()
def set_apply_filter(self, apply_filter_callback):
self._apply_filter_callback = apply_filter_callback
class _QBrowseFilterProxyModel(treewidget.TreeFilterProxyModel):
"""Filter a working tree by a text string.
If the text matches a directory, the directory and all it's contents
are shown. If the text matches a file, the parent directories and
the item are shown.
Note: For efficency, we pre-calculate the interesting entries
once each time the text is changed. We then simply look up
each path in the set of interesting paths inside the per-row
filtering callback.
"""
def __init__(self, *args):
treewidget.TreeFilterProxyModel.__init__(self, *args)
self.text_to_match = None
self._interesting = None
self._all_data_loaded = False
def setTextToMatch(self, text):
self.text_to_match = text
self._update_interesting()
self.invalidateFilter()
def invalidateFilter(self):
treewidget.TreeFilterProxyModel.invalidateFilter(self)
def _update_interesting(self):
if not self.text_to_match:
self._interesting = None
return
text = self.text_to_match
interesting = set([''])
directories = set()
for path in self._iter_paths():
if path.find(text) >= 0:
interesting.add(path)
directories.update(parent_directories(path))
interesting.update(directories)
#print "\ninteresting for %s ...\n%s\n" % (text,
# "\n".join(sorted(interesting)))
self._interesting = interesting
def _iter_paths(self):
# The source model loads data lazily. We need everything loaded
# to find the complete set of paths though
self._ensure_all_data_loaded()
return iter(self.source_model.inventory_data_by_path.keys())
def _ensure_all_data_loaded(self):
if self._all_data_loaded:
return
model = self.source_model
for id in range(0, len(model.inventory_data)):
self._load_dirs(model, id)
self._all_data_loaded = True
def _load_dirs(self, model, id):
item_data = model.inventory_data[id]
if item_data.item.kind == "directory":
if item_data.children_ids is None:
# This locks and unlocks the tree each time.
# I wonder how that impacts performance?
model.load_dir(id)
for child_id in item_data.children_ids:
self._load_dirs(model, child_id)
def filterAcceptsRow(self, source_row, source_parent):
result = treewidget.TreeFilterProxyModel.filterAcceptsRow(
self, source_row, source_parent)
if result and self._interesting:
# Apply the text filter (matches found earlier)
path, kind = self._get_path_info(source_row, source_parent)
result = path in self._interesting
return result
def _get_path_info(self, source_row, source_parent):
"""Return path, kind for a model item."""
model = self.source_model
parent_id = source_parent.internalId()
children_ids = model.inventory_data[parent_id].children_ids
# Why is this check required?
if len(children_ids) <= source_row:
return None, None
id = children_ids[source_row]
data = model.inventory_data[id]
return data.path, data.item.kind
class _QBrowseTreeWidget(treewidget.TreeWidget):
def __init__(self, *args):
treewidget.TreeWidget.__init__(self, *args)
# Patch in a custom FilterProxyModel that handles text filtering
self.tree_filter_model = _QBrowseFilterProxyModel()
self.tree_filter_model.setSourceModel(self.tree_model)
self.setModel(self.tree_filter_model)
class _QBrowseStyleTreeViewer(_QBrowseTreeWidget):
def __init__(self, action_callback, selection_callback,
filter_callback, *args):
self._action_callback = action_callback
self._selection_callback = selection_callback
_QBrowseTreeWidget.__init__(self, *args)
self._default_action = "open"
# Track the selection
self.connect(self.selectionModel(),
QtCore.SIGNAL("currentChanged(QModelIndex,QModelIndex)"),
self._do_current_changed)
def do_default_action(self, model_index):
"""Override the handler provided by treewidget.TreeWidget."""
item_data = self.get_selection_items([model_index])[0]
fileinfo = QtCore.QFileInfo(item_data.path)
if fileinfo is not None and not fileinfo.isDir():
path = fileinfo.canonicalFilePath()
self._action_callback(self._default_action, unicode(path))
def _do_current_changed(self, model_index, prev_model_index):
item_data = self.get_selection_items([model_index])[0]
fileinfo = QtCore.QFileInfo(item_data.path)
self._selection_callback(fileinfo, model_index)
def invalidate_filter(self):
self.tree_filter_model.invalidateFilter()
def set_default_action(self, default_action):
"""Set the default action to either 'open' or 'edit'."""
self._default_action = default_action
class _QBrowseStyleBrowser(_AbstractBrowser):
filter_panel_factory = _QBrowseStyleFilterPanel
tree_viewer_factory = _QBrowseStyleTreeViewer
def _apply_filter(self, flags, flags_changed, text, text_changed):
if flags_changed:
self._tree_viewer.tree_filter_model.setFilters(flags)
if text_changed:
self._tree_viewer.tree_filter_model.setTextToMatch(text)
|