/b-gtk/fix-viz

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Viewing changes to branchview/treeview.py

  • Committer: Jelmer Vernooij
  • Date: 2008-06-29 19:18:34 UTC
  • mto: This revision was merged to the branch mainline in revision 515.
  • Revision ID: jelmer@samba.org-20080629191834-ha2ecpv5szt96nge
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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
 
 
17
from bzrlib.plugins.gtk import _i18n
 
18
from linegraph import linegraph, same_branch
 
19
from graphcell import CellRendererGraph
 
20
from treemodel import TreeModel
 
21
from bzrlib.revision import NULL_REVISION
 
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
        'revisions-loaded': (gobject.SIGNAL_RUN_FIRST, 
 
86
                             gobject.TYPE_NONE,
 
87
                             ()),
 
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
        self.pack_start(self.construct_loading_msg(), expand=False, fill=True)
 
112
        self.connect('revisions-loaded', 
 
113
                lambda x: self.loading_msg_box.hide())
 
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
 
 
125
        self.iter = None
 
126
        self.branch = branch
 
127
        self.revision = None
 
128
 
 
129
        self.start = start
 
130
        self.maxnum = maxnum
 
131
        self.compact = compact
 
132
 
 
133
        gobject.idle_add(self.populate)
 
134
 
 
135
        self.connect("destroy", lambda x: self.branch.unlock())
 
136
 
 
137
    def do_get_property(self, property):
 
138
        if property.name == 'revno-column-visible':
 
139
            return self.revno_column.get_visible()
 
140
        elif property.name == 'graph-column-visible':
 
141
            return self.graph_column.get_visible()
 
142
        elif property.name == 'date-column-visible':
 
143
            return self.date_column.get_visible()
 
144
        elif property.name == 'compact':
 
145
            return self.compact
 
146
        elif property.name == 'mainline-only':
 
147
            return self.mainline_only
 
148
        elif property.name == 'branch':
 
149
            return self.branch
 
150
        elif property.name == 'revision':
 
151
            return self.model.get_value(self.iter, treemodel.REVISION)
 
152
        elif property.name == 'revision-number':
 
153
            return self.model.get_value(self.iter, treemodel.REVNO)
 
154
        elif property.name == 'children':
 
155
            return self.model.get_value(self.iter, treemodel.CHILDREN)
 
156
        elif property.name == 'parents':
 
157
            return self.model.get_value(self.iter, treemodel.PARENTS)
 
158
        else:
 
159
            raise AttributeError, 'unknown property %s' % property.name
 
160
 
 
161
    def do_set_property(self, property, value):
 
162
        if property.name == 'revno-column-visible':
 
163
            self.revno_column.set_visible(value)
 
164
        elif property.name == 'graph-column-visible':
 
165
            self.graph_column.set_visible(value)
 
166
        elif property.name == 'date-column-visible':
 
167
            self.date_column.set_visible(value)
 
168
        elif property.name == 'compact':
 
169
            self.compact = value
 
170
        elif property.name == 'mainline-only':
 
171
            self.mainline_only = value
 
172
        elif property.name == 'branch':
 
173
            self.branch = value
 
174
        elif property.name == 'revision':
 
175
            self.set_revision_id(value.revision_id)
 
176
        else:
 
177
            raise AttributeError, 'unknown property %s' % property.name
 
178
 
 
179
    def get_revision(self):
 
180
        """Return revision id of currently selected revision, or None."""
 
181
        return self.get_property('revision')
 
182
 
 
183
    def set_revision(self, revision):
 
184
        self.set_property('revision', revision)
 
185
 
 
186
    def set_revision_id(self, revid):
 
187
        """Change the currently selected revision.
 
188
 
 
189
        :param revid: Revision id of revision to display.
 
190
        """
 
191
        self.treeview.set_cursor(self.index[revid])
 
192
        self.treeview.grab_focus()
 
193
 
 
194
    def get_children(self):
 
195
        """Return the children of the currently selected revision.
 
196
 
 
197
        :return: list of revision ids.
 
198
        """
 
199
        return self.get_property('children')
 
200
 
 
201
    def get_parents(self):
 
202
        """Return the parents of the currently selected revision.
 
203
 
 
204
        :return: list of revision ids.
 
205
        """
 
206
        return self.get_property('parents')
 
207
 
 
208
    def add_tag(self, tag, revid=None):
 
209
        if revid is None: revid = self.revision.revision_id
 
210
 
 
211
        try:
 
212
            self.branch.unlock()
 
213
 
 
214
            try:
 
215
                self.branch.lock_write()
 
216
                self.model.add_tag(tag, revid)
 
217
            finally:
 
218
                self.branch.unlock()
 
219
 
 
220
        finally:
 
221
            self.branch.lock_read()
 
222
 
 
223
        self.emit('tag-added', tag, revid)
 
224
        
 
225
    def refresh(self):
 
226
        self.loading_msg_box.show()
 
227
        gobject.idle_add(self.populate, self.get_revision())
 
228
 
 
229
    def update(self):
 
230
        try:
 
231
            self.branch.unlock()
 
232
            try:
 
233
                self.branch.lock_write()
 
234
                self.branch.update()
 
235
            finally:
 
236
                self.branch.unlock()
 
237
        finally:
 
238
            self.branch.lock_read()
 
239
 
 
240
    def back(self):
 
241
        """Signal handler for the Back button."""
 
242
        parents = self.get_parents()
 
243
        if not len(parents):
 
244
            return
 
245
 
 
246
        for parent_id in parents:
 
247
            parent_index = self.index[parent_id]
 
248
            parent = self.model[parent_index][treemodel.REVISION]
 
249
            if same_branch(self.get_revision(), parent):
 
250
                self.set_revision(parent)
 
251
                break
 
252
        else:
 
253
            self.set_revision_id(parents[0])
 
254
 
 
255
    def forward(self):
 
256
        """Signal handler for the Forward button."""
 
257
        children = self.get_children()
 
258
        if not len(children):
 
259
            return
 
260
 
 
261
        for child_id in children:
 
262
            child_index = self.index[child_id]
 
263
            child = self.model[child_index][treemodel.REVISION]
 
264
            if same_branch(child, self.get_revision()):
 
265
                self.set_revision(child)
 
266
                break
 
267
        else:
 
268
            self.set_revision_id(children[0])
 
269
 
 
270
    def populate(self, revision=None):
 
271
        """Fill the treeview with contents.
 
272
 
 
273
        :param start: Revision id of revision to start with.
 
274
        :param maxnum: Maximum number of revisions to display, or None 
 
275
                       for no limit.
 
276
        :param broken_line_length: After how much lines branches \
 
277
                       should be broken.
 
278
        """
 
279
 
 
280
        if self.compact:
 
281
            broken_line_length = 32
 
282
        else:
 
283
            broken_line_length = None
 
284
        
 
285
        show_graph = self.graph_column.get_visible()
 
286
 
 
287
        self.branch.lock_read()
 
288
        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
 
289
                                                        (self.start,) , # Sequence of start revisions
 
290
                                                        self.maxnum, 
 
291
                                                        broken_line_length,
 
292
                                                        show_graph,
 
293
                                                        self.mainline_only)
 
294
 
 
295
        self.model = TreeModel(self.branch, linegraphdata)
 
296
        self.graph_cell.columns_len = columns_len
 
297
        width = self.graph_cell.get_size(self.treeview)[2]
 
298
        if width > 500:
 
299
            width = 500
 
300
        self.graph_column.set_fixed_width(width)
 
301
        self.graph_column.set_max_width(width)
 
302
        self.index = index
 
303
        self.treeview.set_model(self.model)
 
304
 
 
305
        if not revision or revision == NULL_REVISION:
 
306
            self.treeview.set_cursor(0)
 
307
        else:
 
308
            self.set_revision(revision)
 
309
 
 
310
        self.emit('revisions-loaded')
 
311
 
 
312
        return False
 
313
 
 
314
    def construct_treeview(self):
 
315
        self.treeview = gtk.TreeView()
 
316
 
 
317
        self.treeview.set_rules_hint(True)
 
318
        self.treeview.set_search_column(treemodel.REVNO)
 
319
        
 
320
        # Fix old PyGTK bug - by JAM
 
321
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
 
322
        if set_tooltip is not None:
 
323
            set_tooltip(treemodel.MESSAGE)
 
324
 
 
325
        self.treeview.connect("cursor-changed",
 
326
                self._on_selection_changed)
 
327
 
 
328
        self.treeview.connect("row-activated", 
 
329
                self._on_revision_activated)
 
330
 
 
331
        self.treeview.connect("button-release-event", 
 
332
                self._on_revision_selected)
 
333
 
 
334
        self.treeview.set_property('fixed-height-mode', True)
 
335
 
 
336
        self.treeview.show()
 
337
 
 
338
        cell = gtk.CellRendererText()
 
339
        cell.set_property("width-chars", 15)
 
340
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
341
        self.revno_column = gtk.TreeViewColumn("Revision No")
 
342
        self.revno_column.set_resizable(False)
 
343
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
344
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
345
        self.revno_column.pack_start(cell, expand=True)
 
346
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
 
347
        self.treeview.append_column(self.revno_column)
 
348
 
 
349
        self.graph_cell = CellRendererGraph()
 
350
        self.graph_column = gtk.TreeViewColumn()
 
351
        self.graph_column.set_resizable(False)
 
352
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
353
        self.graph_column.pack_start(self.graph_cell, expand=True)
 
354
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
 
355
        self.graph_column.add_attribute(self.graph_cell, "tags", treemodel.TAGS)
 
356
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
 
357
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
 
358
        self.treeview.append_column(self.graph_column)
 
359
 
 
360
        cell = gtk.CellRendererText()
 
361
        cell.set_property("width-chars", 65)
 
362
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
363
        self.summary_column = gtk.TreeViewColumn("Summary")
 
364
        self.summary_column.set_resizable(False)
 
365
        self.summary_column.set_expand(True)
 
366
        self.summary_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
367
        self.summary_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
368
        self.summary_column.pack_start(cell, expand=True)
 
369
        self.summary_column.add_attribute(cell, "markup", treemodel.SUMMARY)
 
370
        self.treeview.append_column(self.summary_column)
 
371
 
 
372
        cell = gtk.CellRendererText()
 
373
        cell.set_property("width-chars", 15)
 
374
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
375
        self.committer_column = gtk.TreeViewColumn("Committer")
 
376
        self.committer_column.set_resizable(False)
 
377
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
378
        self.committer_column.set_fixed_width(200)
 
379
        self.committer_column.pack_start(cell, expand=True)
 
380
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITTER)
 
381
        self.treeview.append_column(self.committer_column)
 
382
 
 
383
        cell = gtk.CellRendererText()
 
384
        cell.set_property("width-chars", 20)
 
385
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
386
        self.date_column = gtk.TreeViewColumn("Date")
 
387
        self.date_column.set_visible(False)
 
388
        self.date_column.set_resizable(False)
 
389
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
390
        self.date_column.set_fixed_width(130)
 
391
        self.date_column.pack_start(cell, expand=True)
 
392
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
 
393
        self.treeview.append_column(self.date_column)
 
394
        
 
395
        return self.treeview
 
396
    
 
397
    def construct_loading_msg(self):
 
398
        image_loading = gtk.image_new_from_stock(gtk.STOCK_REFRESH,
 
399
                                                 gtk.ICON_SIZE_BUTTON)
 
400
        image_loading.show()
 
401
        
 
402
        label_loading = gtk.Label(
 
403
            _i18n("Please wait, loading ancestral graph..."))
 
404
        label_loading.set_alignment(0.0, 0.5)
 
405
        label_loading.show()
 
406
        
 
407
        self.loading_msg_box = gtk.HBox()
 
408
        self.loading_msg_box.set_spacing(5)
 
409
        self.loading_msg_box.set_border_width(5)        
 
410
        self.loading_msg_box.pack_start(image_loading, False, False)
 
411
        self.loading_msg_box.pack_start(label_loading, True, True)
 
412
        self.loading_msg_box.show()
 
413
        
 
414
        return self.loading_msg_box
 
415
 
 
416
    def _on_selection_changed(self, treeview):
 
417
        """callback for when the treeview changes."""
 
418
        (path, focus) = treeview.get_cursor()
 
419
        if path is not None:
 
420
            self.iter = self.model.get_iter(path)
 
421
            self.emit('revision-selected')
 
422
 
 
423
    def _on_revision_selected(self, widget, event):
 
424
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
 
425
        if event.button == 3:
 
426
            menu = RevisionPopupMenu(self.branch.repository, 
 
427
                [self.get_revision().revision_id],
 
428
                self.branch)
 
429
            menu.connect('tag-added', lambda w, t, r: self.add_tag(t, r))
 
430
            menu.popup(None, None, None, event.button, event.get_time())
 
431
 
 
432
    def _on_revision_activated(self, widget, path, col):
 
433
        self.emit('revision-activated', path, col)