/b-gtk/fix-viz

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Viewing changes to branchview/treeview.py

  • Committer: Jelmer Vernooij
  • Date: 2007-07-15 15:13:34 UTC
  • Revision ID: jelmer@samba.org-20070715151334-2t0g8fmpgj6vnqa7
Add icon for Bazaar preferences.

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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 sys
10
 
import string
11
 
import gtk
12
 
import gobject
13
 
import pango
14
 
import re
15
 
import treemodel
16
 
from bzrlib import ui
17
 
 
18
 
from bzrlib.plugins.gtk import _i18n
19
 
from bzrlib.plugins.gtk.ui import GtkProgressBar, ProgressPanel
20
 
from linegraph import linegraph, same_branch
21
 
from graphcell import CellRendererGraph
22
 
from treemodel import TreeModel
23
 
from bzrlib.revision import NULL_REVISION
24
 
 
25
 
 
26
 
class TreeView(gtk.VBox):
27
 
 
28
 
    __gproperties__ = {
29
 
        'branch': (gobject.TYPE_PYOBJECT,
30
 
                   'Branch',
31
 
                   'The Bazaar branch being visualized',
32
 
                   gobject.PARAM_CONSTRUCT_ONLY | gobject.PARAM_WRITABLE),
33
 
 
34
 
        'revision': (gobject.TYPE_PYOBJECT,
35
 
                     'Revision',
36
 
                     'The currently selected revision',
37
 
                     gobject.PARAM_READWRITE),
38
 
 
39
 
        'revision-number': (gobject.TYPE_STRING,
40
 
                            'Revision number',
41
 
                            'The number of the selected revision',
42
 
                            '',
43
 
                            gobject.PARAM_READABLE),
44
 
 
45
 
        'children': (gobject.TYPE_PYOBJECT,
46
 
                     'Child revisions',
47
 
                     'Children of the currently selected revision',
48
 
                     gobject.PARAM_READABLE),
49
 
 
50
 
        'parents': (gobject.TYPE_PYOBJECT,
51
 
                    'Parent revisions',
52
 
                    'Parents to the currently selected revision',
53
 
                    gobject.PARAM_READABLE),
54
 
 
55
 
        'revno-column-visible': (gobject.TYPE_BOOLEAN,
56
 
                                 'Revision number column',
57
 
                                 'Show revision number column',
58
 
                                 True,
59
 
                                 gobject.PARAM_READWRITE),
60
 
 
61
 
        'graph-column-visible': (gobject.TYPE_BOOLEAN,
62
 
                                 'Graph column',
63
 
                                 'Show graph column',
64
 
                                 True,
65
 
                                 gobject.PARAM_READWRITE),
66
 
 
67
 
        'date-column-visible': (gobject.TYPE_BOOLEAN,
68
 
                                 'Date',
69
 
                                 'Show date column',
70
 
                                 False,
71
 
                                 gobject.PARAM_READWRITE),
72
 
 
73
 
        'compact': (gobject.TYPE_BOOLEAN,
74
 
                    'Compact view',
75
 
                    'Break ancestry lines to save space',
76
 
                    True,
77
 
                    gobject.PARAM_CONSTRUCT | gobject.PARAM_READWRITE),
78
 
 
79
 
        'mainline-only': (gobject.TYPE_BOOLEAN,
80
 
                    'Mainline only',
81
 
                    'Only show the mainline history.',
82
 
                    False,
83
 
                    gobject.PARAM_CONSTRUCT | gobject.PARAM_READWRITE),
84
 
 
85
 
    }
86
 
 
87
 
    __gsignals__ = {
88
 
        'revision-selected': (gobject.SIGNAL_RUN_FIRST,
89
 
                              gobject.TYPE_NONE,
90
 
                              ()),
91
 
        'revision-activated': (gobject.SIGNAL_RUN_FIRST,
92
 
                              gobject.TYPE_NONE,
93
 
                              (gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT)),
94
 
        'tag-added': (gobject.SIGNAL_RUN_FIRST,
95
 
                              gobject.TYPE_NONE,
96
 
                              (gobject.TYPE_STRING, gobject.TYPE_STRING))
97
 
    }
98
 
 
99
 
    def __init__(self, branch, start, maxnum, compact=True):
100
 
        """Create a new TreeView.
101
 
 
102
 
        :param branch: Branch object for branch to show.
103
 
        :param start: Revision id of top revision.
104
 
        :param maxnum: Maximum number of revisions to display, 
105
 
                       None for no limit.
106
 
        :param broken_line_length: After how much lines to break 
107
 
                                   branches.
108
 
        """
109
 
        gtk.VBox.__init__(self, spacing=0)
110
 
 
111
 
        loading_msg_widget = ProgressPanel()
112
 
        ui.ui_factory.set_nested_progress_bar_widget(loading_msg_widget.get_progress_bar)
113
 
        self.pack_start(loading_msg_widget, expand=False, fill=True)
114
 
 
115
 
        self.scrolled_window = gtk.ScrolledWindow()
116
 
        self.scrolled_window.set_policy(gtk.POLICY_AUTOMATIC,
117
 
                                        gtk.POLICY_AUTOMATIC)
118
 
        self.scrolled_window.set_shadow_type(gtk.SHADOW_IN)
119
 
        self.scrolled_window.show()
120
 
        self.pack_start(self.scrolled_window, expand=True, fill=True)
121
 
 
122
 
        self.scrolled_window.add(self.construct_treeview())
123
 
 
124
 
        self.iter = None
125
 
        self.branch = branch
126
 
        self.revision = None
127
 
 
128
 
        self.start = start
129
 
        self.maxnum = maxnum
130
 
        self.compact = compact
131
 
 
132
 
        gobject.idle_add(self.populate)
133
 
 
134
 
        self.connect("destroy", lambda x: self.branch.unlock())
135
 
 
136
 
    def do_get_property(self, property):
137
 
        if property.name == 'revno-column-visible':
138
 
            return self.revno_column.get_visible()
139
 
        elif property.name == 'graph-column-visible':
140
 
            return self.graph_column.get_visible()
141
 
        elif property.name == 'date-column-visible':
142
 
            return self.date_column.get_visible()
143
 
        elif property.name == 'compact':
144
 
            return self.compact
145
 
        elif property.name == 'mainline-only':
146
 
            return self.mainline_only
147
 
        elif property.name == 'branch':
148
 
            return self.branch
149
 
        elif property.name == 'revision':
150
 
            return self.model.get_value(self.iter, treemodel.REVISION)
151
 
        elif property.name == 'revision-number':
152
 
            return self.model.get_value(self.iter, treemodel.REVNO)
153
 
        elif property.name == 'children':
154
 
            return self.model.get_value(self.iter, treemodel.CHILDREN)
155
 
        elif property.name == 'parents':
156
 
            return self.model.get_value(self.iter, treemodel.PARENTS)
157
 
        else:
158
 
            raise AttributeError, 'unknown property %s' % property.name
159
 
 
160
 
    def do_set_property(self, property, value):
161
 
        if property.name == 'revno-column-visible':
162
 
            self.revno_column.set_visible(value)
163
 
        elif property.name == 'graph-column-visible':
164
 
            self.graph_column.set_visible(value)
165
 
        elif property.name == 'date-column-visible':
166
 
            self.date_column.set_visible(value)
167
 
        elif property.name == 'compact':
168
 
            self.compact = value
169
 
        elif property.name == 'mainline-only':
170
 
            self.mainline_only = value
171
 
        elif property.name == 'branch':
172
 
            self.branch = value
173
 
        elif property.name == 'revision':
174
 
            self.set_revision_id(value.revision_id)
175
 
        else:
176
 
            raise AttributeError, 'unknown property %s' % property.name
177
 
 
178
 
    def get_revision(self):
179
 
        """Return revision id of currently selected revision, or None."""
180
 
        return self.get_property('revision')
181
 
 
182
 
    def set_revision(self, revision):
183
 
        self.set_property('revision', revision)
184
 
 
185
 
    def set_revision_id(self, revid):
186
 
        """Change the currently selected revision.
187
 
 
188
 
        :param revid: Revision id of revision to display.
189
 
        """
190
 
        self.treeview.set_cursor(self.index[revid])
191
 
        self.treeview.grab_focus()
192
 
 
193
 
    def get_children(self):
194
 
        """Return the children of the currently selected revision.
195
 
 
196
 
        :return: list of revision ids.
197
 
        """
198
 
        return self.get_property('children')
199
 
 
200
 
    def get_parents(self):
201
 
        """Return the parents of the currently selected revision.
202
 
 
203
 
        :return: list of revision ids.
204
 
        """
205
 
        return self.get_property('parents')
206
 
 
207
 
    def add_tag(self, tag, revid=None):
208
 
        if revid is None: revid = self.revision.revision_id
209
 
 
210
 
        try:
211
 
            self.branch.unlock()
212
 
 
213
 
            try:
214
 
                self.branch.lock_write()
215
 
                self.model.add_tag(tag, revid)
216
 
            finally:
217
 
                self.branch.unlock()
218
 
 
219
 
        finally:
220
 
            self.branch.lock_read()
221
 
 
222
 
        self.emit('tag-added', tag, revid)
223
 
        
224
 
    def refresh(self):
225
 
        gobject.idle_add(self.populate, self.get_revision())
226
 
 
227
 
    def update(self):
228
 
        try:
229
 
            self.branch.unlock()
230
 
            try:
231
 
                self.branch.lock_write()
232
 
                self.branch.update()
233
 
            finally:
234
 
                self.branch.unlock()
235
 
        finally:
236
 
            self.branch.lock_read()
237
 
 
238
 
    def back(self):
239
 
        """Signal handler for the Back button."""
240
 
        parents = self.get_parents()
241
 
        if not len(parents):
242
 
            return
243
 
 
244
 
        for parent_id in parents:
245
 
            parent_index = self.index[parent_id]
246
 
            parent = self.model[parent_index][treemodel.REVISION]
247
 
            if same_branch(self.get_revision(), parent):
248
 
                self.set_revision(parent)
249
 
                break
250
 
        else:
251
 
            self.set_revision_id(parents[0])
252
 
 
253
 
    def forward(self):
254
 
        """Signal handler for the Forward button."""
255
 
        children = self.get_children()
256
 
        if not len(children):
257
 
            return
258
 
 
259
 
        for child_id in children:
260
 
            child_index = self.index[child_id]
261
 
            child = self.model[child_index][treemodel.REVISION]
262
 
            if same_branch(child, self.get_revision()):
263
 
                self.set_revision(child)
264
 
                break
265
 
        else:
266
 
            self.set_revision_id(children[0])
267
 
 
268
 
    def populate(self, revision=None):
269
 
        """Fill the treeview with contents.
270
 
 
271
 
        :param start: Revision id of revision to start with.
272
 
        :param maxnum: Maximum number of revisions to display, or None 
273
 
                       for no limit.
274
 
        :param broken_line_length: After how much lines branches \
275
 
                       should be broken.
276
 
        """
277
 
 
278
 
        self.progress_bar = ui.ui_factory.nested_progress_bar()
279
 
        self.progress_bar.update(msg="Loading ancestry graph", total_cnt=5)
280
 
 
281
 
        try:
282
 
            if self.compact:
283
 
                broken_line_length = 32
284
 
            else:
285
 
                broken_line_length = None
286
 
            
287
 
            show_graph = self.graph_column.get_visible()
288
 
 
289
 
            self.branch.lock_read()
290
 
            (linegraphdata, index, columns_len) = linegraph(self.branch.repository.get_graph(),
291
 
                                                            self.start,
292
 
                                                            self.maxnum, 
293
 
                                                            broken_line_length,
294
 
                                                            show_graph,
295
 
                                                            self.mainline_only,
296
 
                                                            self.progress_bar)
297
 
 
298
 
            self.model = TreeModel(self.branch, linegraphdata)
299
 
            self.graph_cell.columns_len = columns_len
300
 
            width = self.graph_cell.get_size(self.treeview)[2]
301
 
            if width > 500:
302
 
                width = 500
303
 
            self.graph_column.set_fixed_width(width)
304
 
            self.graph_column.set_max_width(width)
305
 
            self.index = index
306
 
            self.treeview.set_model(self.model)
307
 
 
308
 
            if not revision or revision == NULL_REVISION:
309
 
                self.treeview.set_cursor(0)
310
 
            else:
311
 
                self.set_revision(revision)
312
 
 
313
 
            return False
314
 
        finally:
315
 
            self.progress_bar.finished()
316
 
 
317
 
    def construct_treeview(self):
318
 
        self.treeview = gtk.TreeView()
319
 
 
320
 
        self.treeview.set_rules_hint(True)
321
 
        self.treeview.set_search_column(treemodel.REVNO)
322
 
        
323
 
        # Fix old PyGTK bug - by JAM
324
 
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
325
 
        if set_tooltip is not None:
326
 
            set_tooltip(treemodel.MESSAGE)
327
 
 
328
 
        self.treeview.connect("cursor-changed",
329
 
                self._on_selection_changed)
330
 
 
331
 
        self.treeview.connect("row-activated", 
332
 
                self._on_revision_activated)
333
 
 
334
 
        self.treeview.connect("button-release-event", 
335
 
                self._on_revision_selected)
336
 
 
337
 
        self.treeview.set_property('fixed-height-mode', True)
338
 
 
339
 
        self.treeview.show()
340
 
 
341
 
        cell = gtk.CellRendererText()
342
 
        cell.set_property("width-chars", 15)
343
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
344
 
        self.revno_column = gtk.TreeViewColumn("Revision No")
345
 
        self.revno_column.set_resizable(False)
346
 
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
347
 
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
348
 
        self.revno_column.pack_start(cell, expand=True)
349
 
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
350
 
        self.treeview.append_column(self.revno_column)
351
 
 
352
 
        self.graph_cell = CellRendererGraph()
353
 
        self.graph_column = gtk.TreeViewColumn()
354
 
        self.graph_column.set_resizable(False)
355
 
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
356
 
        self.graph_column.pack_start(self.graph_cell, expand=True)
357
 
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
358
 
        self.graph_column.add_attribute(self.graph_cell, "tags", treemodel.TAGS)
359
 
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
360
 
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
361
 
        self.treeview.append_column(self.graph_column)
362
 
 
363
 
        cell = gtk.CellRendererText()
364
 
        cell.set_property("width-chars", 65)
365
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
366
 
        self.summary_column = gtk.TreeViewColumn("Summary")
367
 
        self.summary_column.set_resizable(False)
368
 
        self.summary_column.set_expand(True)
369
 
        self.summary_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
370
 
        self.summary_column.set_fixed_width(cell.get_size(self.treeview)[2])
371
 
        self.summary_column.pack_start(cell, expand=True)
372
 
        self.summary_column.add_attribute(cell, "markup", treemodel.SUMMARY)
373
 
        self.treeview.append_column(self.summary_column)
374
 
 
375
 
        cell = gtk.CellRendererText()
376
 
        cell.set_property("width-chars", 15)
377
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
378
 
        self.committer_column = gtk.TreeViewColumn("Committer")
379
 
        self.committer_column.set_resizable(False)
380
 
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
381
 
        self.committer_column.set_fixed_width(200)
382
 
        self.committer_column.pack_start(cell, expand=True)
383
 
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITTER)
384
 
        self.treeview.append_column(self.committer_column)
385
 
 
386
 
        cell = gtk.CellRendererText()
387
 
        cell.set_property("width-chars", 20)
388
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
389
 
        self.date_column = gtk.TreeViewColumn("Date")
390
 
        self.date_column.set_visible(False)
391
 
        self.date_column.set_resizable(False)
392
 
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
393
 
        self.date_column.set_fixed_width(130)
394
 
        self.date_column.pack_start(cell, expand=True)
395
 
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
396
 
        self.treeview.append_column(self.date_column)
397
 
        
398
 
        return self.treeview
399
 
    
400
 
    def _on_selection_changed(self, treeview):
401
 
        """callback for when the treeview changes."""
402
 
        (path, focus) = treeview.get_cursor()
403
 
        if path is not None:
404
 
            self.iter = self.model.get_iter(path)
405
 
            self.emit('revision-selected')
406
 
 
407
 
    def _on_revision_selected(self, widget, event):
408
 
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
409
 
        if event.button == 3:
410
 
            menu = RevisionPopupMenu(self.branch.repository, 
411
 
                [self.get_revision().revision_id],
412
 
                self.branch)
413
 
            menu.connect('tag-added', lambda w, t, r: self.add_tag(t, r))
414
 
            menu.popup(None, None, None, event.button, event.get_time())
415
 
 
416
 
    def _on_revision_activated(self, widget, path, col):
417
 
        self.emit('revision-activated', path, col)