/b-gtk/fix-viz

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Viewing changes to branchview/treeview.py

  • Committer: Jelmer Vernooij
  • Date: 2011-02-18 13:01:03 UTC
  • Revision ID: jelmer@samba.org-20110218130103-fiyk203auk28thpn
Remove some unused imports, fix some formatting.

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branchview/treeview.py
 
1
# -*- coding: UTF-8 -*-
 
2
"""Revision history view.
 
3
 
 
4
"""
 
5
 
 
6
__copyright__ = "Copyright © 2005 Canonical Ltd."
 
7
__author__    = "Daniel Schierbeck <daniel.schierbeck@gmail.com>"
 
8
 
 
9
import gtk
 
10
import gobject
 
11
import pango
 
12
import treemodel
 
13
from bzrlib import ui
 
14
 
 
15
from bzrlib.plugins.gtk.ui import ProgressPanel
 
16
from linegraph import linegraph, same_branch
 
17
from graphcell import CellRendererGraph
 
18
from treemodel import TreeModel
 
19
from bzrlib.revision import NULL_REVISION
 
20
from bzrlib.plugins.gtk import lock
 
21
 
 
22
 
 
23
class TreeView(gtk.VBox):
 
24
 
 
25
    __gproperties__ = {
 
26
        'branch': (gobject.TYPE_PYOBJECT,
 
27
                   'Branch',
 
28
                   'The Bazaar branch being visualized',
 
29
                   gobject.PARAM_CONSTRUCT_ONLY | gobject.PARAM_WRITABLE),
 
30
 
 
31
        'revision': (gobject.TYPE_PYOBJECT,
 
32
                     'Revision',
 
33
                     'The currently selected revision',
 
34
                     gobject.PARAM_READWRITE),
 
35
 
 
36
        'revision-number': (gobject.TYPE_STRING,
 
37
                            'Revision number',
 
38
                            'The number of the selected revision',
 
39
                            '',
 
40
                            gobject.PARAM_READABLE),
 
41
 
 
42
        'children': (gobject.TYPE_PYOBJECT,
 
43
                     'Child revisions',
 
44
                     'Children of the currently selected revision',
 
45
                     gobject.PARAM_READABLE),
 
46
 
 
47
        'parents': (gobject.TYPE_PYOBJECT,
 
48
                    'Parent revisions',
 
49
                    'Parents to the currently selected revision',
 
50
                    gobject.PARAM_READABLE),
 
51
 
 
52
        'revno-column-visible': (gobject.TYPE_BOOLEAN,
 
53
                                 'Revision number column',
 
54
                                 'Show revision number column',
 
55
                                 True,
 
56
                                 gobject.PARAM_READWRITE),
 
57
 
 
58
        'graph-column-visible': (gobject.TYPE_BOOLEAN,
 
59
                                 'Graph column',
 
60
                                 'Show graph column',
 
61
                                 True,
 
62
                                 gobject.PARAM_READWRITE),
 
63
 
 
64
        'date-column-visible': (gobject.TYPE_BOOLEAN,
 
65
                                 'Date',
 
66
                                 'Show date column',
 
67
                                 False,
 
68
                                 gobject.PARAM_READWRITE),
 
69
 
 
70
        'compact': (gobject.TYPE_BOOLEAN,
 
71
                    'Compact view',
 
72
                    'Break ancestry lines to save space',
 
73
                    True,
 
74
                    gobject.PARAM_CONSTRUCT | gobject.PARAM_READWRITE),
 
75
 
 
76
        'mainline-only': (gobject.TYPE_BOOLEAN,
 
77
                    'Mainline only',
 
78
                    'Only show the mainline history.',
 
79
                    False,
 
80
                    gobject.PARAM_CONSTRUCT | gobject.PARAM_READWRITE),
 
81
 
 
82
    }
 
83
 
 
84
    __gsignals__ = {
 
85
        'revision-selected': (gobject.SIGNAL_RUN_FIRST,
 
86
                              gobject.TYPE_NONE,
 
87
                              ()),
 
88
        'revision-activated': (gobject.SIGNAL_RUN_FIRST,
 
89
                              gobject.TYPE_NONE,
 
90
                              (gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT)),
 
91
        'tag-added': (gobject.SIGNAL_RUN_FIRST,
 
92
                              gobject.TYPE_NONE,
 
93
                              (gobject.TYPE_STRING, gobject.TYPE_STRING)),
 
94
        'refreshed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
 
95
                              ())
 
96
    }
 
97
 
 
98
    def __init__(self, branch, start, maxnum, compact=True):
 
99
        """Create a new TreeView.
 
100
 
 
101
        :param branch: Branch object for branch to show.
 
102
        :param start: Revision id of top revision.
 
103
        :param maxnum: Maximum number of revisions to display, 
 
104
                       None for no limit.
 
105
        :param broken_line_length: After how much lines to break 
 
106
                                   branches.
 
107
        """
 
108
        gtk.VBox.__init__(self, spacing=0)
 
109
 
 
110
        self.progress_widget = ProgressPanel()
 
111
        self.pack_start(self.progress_widget, expand=False, fill=True)
 
112
        if getattr(ui.ui_factory, "set_progress_bar_widget", None) is not None:
 
113
            # We'are using our own ui, let's tell it to use our widget.
 
114
            ui.ui_factory.set_progress_bar_widget(self.progress_widget)
 
115
 
 
116
        self.scrolled_window = gtk.ScrolledWindow()
 
117
        self.scrolled_window.set_policy(gtk.POLICY_AUTOMATIC,
 
118
                                        gtk.POLICY_AUTOMATIC)
 
119
        self.scrolled_window.set_shadow_type(gtk.SHADOW_IN)
 
120
        self.scrolled_window.show()
 
121
        self.pack_start(self.scrolled_window, expand=True, fill=True)
 
122
 
 
123
        self.scrolled_window.add(self.construct_treeview())
 
124
 
 
125
        self.path = None
 
126
        self.branch = branch
 
127
        self.revision = None
 
128
        self.index = {}
 
129
 
 
130
        self.start = start
 
131
        self.maxnum = maxnum
 
132
        self.compact = compact
 
133
 
 
134
        gobject.idle_add(self.populate)
 
135
 
 
136
        self.connect("destroy", self._on_destroy)
 
137
 
 
138
    def _on_destroy(self, *ignored):
 
139
        self.branch.unlock()
 
140
        if getattr(ui.ui_factory, "set_progress_bar_widget", None) is not None:
 
141
            # We'are using our own ui, let's tell it to stop using our widget.
 
142
            ui.ui_factory.set_progress_bar_widget(None)
 
143
 
 
144
    def do_get_property(self, property):
 
145
        if property.name == 'revno-column-visible':
 
146
            return self.revno_column.get_visible()
 
147
        elif property.name == 'graph-column-visible':
 
148
            return self.graph_column.get_visible()
 
149
        elif property.name == 'date-column-visible':
 
150
            return self.date_column.get_visible()
 
151
        elif property.name == 'compact':
 
152
            return self.compact
 
153
        elif property.name == 'mainline-only':
 
154
            return self.mainline_only
 
155
        elif property.name == 'branch':
 
156
            return self.branch
 
157
        elif property.name == 'revision':
 
158
            return self.model.get_value(self.model.get_iter(self.path),
 
159
                                        treemodel.REVISION)
 
160
        elif property.name == 'revision-number':
 
161
            return self.model.get_value(self.model.get_iter(self.path),
 
162
                                        treemodel.REVNO)
 
163
        elif property.name == 'children':
 
164
            return self.model.get_value(self.model.get_iter(self.path),
 
165
                                        treemodel.CHILDREN)
 
166
        elif property.name == 'parents':
 
167
            return self.model.get_value(self.model.get_iter(self.path),
 
168
                                        treemodel.PARENTS)
 
169
        else:
 
170
            raise AttributeError, 'unknown property %s' % property.name
 
171
 
 
172
    def do_set_property(self, property, value):
 
173
        if property.name == 'revno-column-visible':
 
174
            self.revno_column.set_visible(value)
 
175
        elif property.name == 'graph-column-visible':
 
176
            self.graph_column.set_visible(value)
 
177
        elif property.name == 'date-column-visible':
 
178
            self.date_column.set_visible(value)
 
179
        elif property.name == 'compact':
 
180
            self.compact = value
 
181
        elif property.name == 'mainline-only':
 
182
            self.mainline_only = value
 
183
        elif property.name == 'branch':
 
184
            self.branch = value
 
185
        elif property.name == 'revision':
 
186
            self.set_revision_id(value.revision_id)
 
187
        else:
 
188
            raise AttributeError, 'unknown property %s' % property.name
 
189
 
 
190
    def get_revision(self):
 
191
        """Return revision id of currently selected revision, or None."""
 
192
        return self.get_property('revision')
 
193
 
 
194
    def has_revision_id(self, revision_id):
 
195
        return (revision_id in self.index)
 
196
 
 
197
    def set_revision(self, revision):
 
198
        self.set_property('revision', revision)
 
199
 
 
200
    def set_revision_id(self, revid):
 
201
        """Change the currently selected revision.
 
202
 
 
203
        :param revid: Revision id of revision to display.
 
204
        """
 
205
        self.treeview.set_cursor(self.index[revid])
 
206
        self.treeview.grab_focus()
 
207
 
 
208
    def get_children(self):
 
209
        """Return the children of the currently selected revision.
 
210
 
 
211
        :return: list of revision ids.
 
212
        """
 
213
        return self.get_property('children')
 
214
 
 
215
    def get_parents(self):
 
216
        """Return the parents of the currently selected revision.
 
217
 
 
218
        :return: list of revision ids.
 
219
        """
 
220
        return self.get_property('parents')
 
221
 
 
222
    def add_tag(self, tag, revid=None):
 
223
        if revid is None: revid = self.revision.revision_id
 
224
 
 
225
        if lock.release(self.branch):
 
226
            try:
 
227
                lock.acquire(self.branch, lock.WRITE)
 
228
                self.model.add_tag(tag, revid)
 
229
            finally:
 
230
                lock.release(self.branch)
 
231
 
 
232
            lock.acquire(self.branch, lock.READ)
 
233
 
 
234
            self.emit('tag-added', tag, revid)
 
235
        
 
236
    def refresh(self):
 
237
        gobject.idle_add(self.populate, self.get_revision())
 
238
 
 
239
    def update(self):
 
240
        try:
 
241
            self.branch.unlock()
 
242
            try:
 
243
                self.branch.lock_write()
 
244
                self.branch.update()
 
245
            finally:
 
246
                self.branch.unlock()
 
247
        finally:
 
248
            self.branch.lock_read()
 
249
 
 
250
    def back(self):
 
251
        """Signal handler for the Back button."""
 
252
        parents = self.get_parents()
 
253
        if not len(parents):
 
254
            return
 
255
 
 
256
        for parent_id in parents:
 
257
            parent_index = self.index[parent_id]
 
258
            parent = self.model[parent_index][treemodel.REVISION]
 
259
            if same_branch(self.get_revision(), parent):
 
260
                self.set_revision(parent)
 
261
                break
 
262
        else:
 
263
            self.set_revision_id(parents[0])
 
264
 
 
265
    def forward(self):
 
266
        """Signal handler for the Forward button."""
 
267
        children = self.get_children()
 
268
        if not len(children):
 
269
            return
 
270
 
 
271
        for child_id in children:
 
272
            child_index = self.index[child_id]
 
273
            child = self.model[child_index][treemodel.REVISION]
 
274
            if same_branch(child, self.get_revision()):
 
275
                self.set_revision(child)
 
276
                break
 
277
        else:
 
278
            self.set_revision_id(children[0])
 
279
 
 
280
    def populate(self, revision=None):
 
281
        """Fill the treeview with contents.
 
282
 
 
283
        :param start: Revision id of revision to start with.
 
284
        :param maxnum: Maximum number of revisions to display, or None 
 
285
                       for no limit.
 
286
        :param broken_line_length: After how much lines branches \
 
287
                       should be broken.
 
288
        """
 
289
 
 
290
        if getattr(ui.ui_factory, "set_progress_bar_widget", None) is not None:
 
291
            # We'are using our own ui, let's tell it to use our widget.
 
292
            ui.ui_factory.set_progress_bar_widget(self.progress_widget)
 
293
        self.progress_bar = ui.ui_factory.nested_progress_bar()
 
294
        self.progress_bar.update("Loading ancestry graph", 0, 5)
 
295
 
 
296
        try:
 
297
            if self.compact:
 
298
                broken_line_length = 32
 
299
            else:
 
300
                broken_line_length = None
 
301
            
 
302
            show_graph = self.graph_column.get_visible()
 
303
 
 
304
            self.branch.lock_read()
 
305
            (linegraphdata, index, columns_len) = linegraph(self.branch.repository.get_graph(),
 
306
                                                            self.start,
 
307
                                                            self.maxnum, 
 
308
                                                            broken_line_length,
 
309
                                                            show_graph,
 
310
                                                            self.mainline_only,
 
311
                                                            self.progress_bar)
 
312
 
 
313
            self.model = TreeModel(self.branch, linegraphdata)
 
314
            self.graph_cell.columns_len = columns_len
 
315
            width = self.graph_cell.get_size(self.treeview)[2]
 
316
            if width > 500:
 
317
                width = 500
 
318
            self.graph_column.set_fixed_width(width)
 
319
            self.graph_column.set_max_width(width)
 
320
            self.index = index
 
321
            self.treeview.set_model(self.model)
 
322
 
 
323
            if not revision or revision == NULL_REVISION:
 
324
                self.treeview.set_cursor(0)
 
325
            else:
 
326
                self.set_revision(revision)
 
327
 
 
328
            self.emit('refreshed')
 
329
            return False
 
330
        finally:
 
331
            self.progress_bar.finished()
 
332
 
 
333
    def construct_treeview(self):
 
334
        self.treeview = gtk.TreeView()
 
335
 
 
336
        self.treeview.set_rules_hint(True)
 
337
        self.treeview.set_search_column(treemodel.REVNO)
 
338
        
 
339
        # Fix old PyGTK bug - by JAM
 
340
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
 
341
        if set_tooltip is not None:
 
342
            set_tooltip(treemodel.MESSAGE)
 
343
 
 
344
        self._prev_cursor_path = None
 
345
        self.treeview.connect("cursor-changed",
 
346
                self._on_selection_changed)
 
347
 
 
348
        self.treeview.connect("row-activated", 
 
349
                self._on_revision_activated)
 
350
 
 
351
        self.treeview.connect("button-release-event", 
 
352
                self._on_revision_selected)
 
353
 
 
354
        self.treeview.set_property('fixed-height-mode', True)
 
355
 
 
356
        self.treeview.show()
 
357
 
 
358
        cell = gtk.CellRendererText()
 
359
        cell.set_property("width-chars", 15)
 
360
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
361
        self.revno_column = gtk.TreeViewColumn("Revision No")
 
362
        self.revno_column.set_resizable(False)
 
363
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
364
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
365
        self.revno_column.pack_start(cell, expand=True)
 
366
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
 
367
        self.treeview.append_column(self.revno_column)
 
368
 
 
369
        self.graph_cell = CellRendererGraph()
 
370
        self.graph_column = gtk.TreeViewColumn()
 
371
        self.graph_column.set_resizable(False)
 
372
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
373
        self.graph_column.pack_start(self.graph_cell, expand=True)
 
374
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
 
375
        self.graph_column.add_attribute(self.graph_cell, "tags", treemodel.TAGS)
 
376
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
 
377
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
 
378
        self.treeview.append_column(self.graph_column)
 
379
 
 
380
        cell = gtk.CellRendererText()
 
381
        cell.set_property("width-chars", 65)
 
382
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
383
        self.summary_column = gtk.TreeViewColumn("Summary")
 
384
        self.summary_column.set_resizable(False)
 
385
        self.summary_column.set_expand(True)
 
386
        self.summary_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
387
        self.summary_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
388
        self.summary_column.pack_start(cell, expand=True)
 
389
        self.summary_column.add_attribute(cell, "markup", treemodel.SUMMARY)
 
390
        self.treeview.append_column(self.summary_column)
 
391
 
 
392
        cell = gtk.CellRendererText()
 
393
        cell.set_property("width-chars", 15)
 
394
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
395
        self.committer_column = gtk.TreeViewColumn("Committer")
 
396
        self.committer_column.set_resizable(False)
 
397
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
398
        self.committer_column.set_fixed_width(200)
 
399
        self.committer_column.pack_start(cell, expand=True)
 
400
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITTER)
 
401
        self.treeview.append_column(self.committer_column)
 
402
 
 
403
        cell = gtk.CellRendererText()
 
404
        cell.set_property("width-chars", 20)
 
405
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
406
        self.date_column = gtk.TreeViewColumn("Date")
 
407
        self.date_column.set_visible(False)
 
408
        self.date_column.set_resizable(False)
 
409
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
410
        self.date_column.set_fixed_width(130)
 
411
        self.date_column.pack_start(cell, expand=True)
 
412
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
 
413
        self.treeview.append_column(self.date_column)
 
414
        
 
415
        return self.treeview
 
416
    
 
417
    def _on_selection_changed(self, treeview):
 
418
        """callback for when the treeview changes."""
 
419
        (path, focus) = treeview.get_cursor()
 
420
        if (path is not None) and (path != self._prev_cursor_path):
 
421
            self._prev_cursor_path = path # avoid emitting twice per click
 
422
            self.path = path
 
423
            self.emit('revision-selected')
 
424
 
 
425
    def _on_revision_selected(self, widget, event):
 
426
        from bzrlib.plugins.gtk.revisionmenu import RevisionMenu
 
427
        if event.button == 3:
 
428
            menu = RevisionMenu(self.branch.repository, 
 
429
                [self.get_revision().revision_id],
 
430
                self.branch)
 
431
            menu.connect('tag-added', lambda w, t, r: self.add_tag(t, r))
 
432
            menu.popup(None, None, None, event.button, event.get_time())
 
433
 
 
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    def _on_revision_activated(self, widget, path, col):
 
435
        self.emit('revision-activated', path, col)