/b-gtk/fix-viz

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Viewing changes to branchview/treeview.py

  • Committer: Aaron Bentley
  • Date: 2008-02-23 06:39:14 UTC
  • Revision ID: aaron@aaronbentley.com-20080223063914-49gdt7ed630rug9b
Add handle-patch script

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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 linegraph import linegraph, same_branch
 
18
from graphcell import CellRendererGraph
 
19
from treemodel import TreeModel
 
20
from bzrlib.revision import NULL_REVISION
 
21
 
 
22
class TreeView(gtk.VBox):
 
23
 
 
24
    __gproperties__ = {
 
25
        'branch': (gobject.TYPE_PYOBJECT,
 
26
                   'Branch',
 
27
                   'The Bazaar branch being visualized',
 
28
                   gobject.PARAM_CONSTRUCT_ONLY | gobject.PARAM_WRITABLE),
 
29
 
 
30
        'revision': (gobject.TYPE_PYOBJECT,
 
31
                     'Revision',
 
32
                     'The currently selected revision',
 
33
                     gobject.PARAM_READWRITE),
 
34
 
 
35
        'revision-number': (gobject.TYPE_STRING,
 
36
                            'Revision number',
 
37
                            'The number of the selected revision',
 
38
                            '',
 
39
                            gobject.PARAM_READABLE),
 
40
 
 
41
        'children': (gobject.TYPE_PYOBJECT,
 
42
                     'Child revisions',
 
43
                     'Children of the currently selected revision',
 
44
                     gobject.PARAM_READABLE),
 
45
 
 
46
        'parents': (gobject.TYPE_PYOBJECT,
 
47
                    'Parent revisions',
 
48
                    'Parents to the currently selected revision',
 
49
                    gobject.PARAM_READABLE),
 
50
 
 
51
        'revno-column-visible': (gobject.TYPE_BOOLEAN,
 
52
                                 'Revision number',
 
53
                                 'Show revision number column',
 
54
                                 True,
 
55
                                 gobject.PARAM_READWRITE),
 
56
 
 
57
        'date-column-visible': (gobject.TYPE_BOOLEAN,
 
58
                                 'Date',
 
59
                                 'Show date column',
 
60
                                 False,
 
61
                                 gobject.PARAM_READWRITE),
 
62
 
 
63
        'compact': (gobject.TYPE_BOOLEAN,
 
64
                    'Compact view',
 
65
                    'Break ancestry lines to save space',
 
66
                    True,
 
67
                    gobject.PARAM_CONSTRUCT | gobject.PARAM_READWRITE)
 
68
 
 
69
    }
 
70
 
 
71
    __gsignals__ = {
 
72
        'revisions-loaded': (gobject.SIGNAL_RUN_FIRST, 
 
73
                             gobject.TYPE_NONE,
 
74
                             ()),
 
75
        'revision-selected': (gobject.SIGNAL_RUN_FIRST,
 
76
                              gobject.TYPE_NONE,
 
77
                              ()),
 
78
        'tag-added': (gobject.SIGNAL_RUN_FIRST,
 
79
                              gobject.TYPE_NONE,
 
80
                              (gobject.TYPE_STRING, gobject.TYPE_STRING))
 
81
    }
 
82
 
 
83
    def __init__(self, branch, start, maxnum, compact=True):
 
84
        """Create a new TreeView.
 
85
 
 
86
        :param branch: Branch object for branch to show.
 
87
        :param start: Revision id of top revision.
 
88
        :param maxnum: Maximum number of revisions to display, 
 
89
                       None for no limit.
 
90
        :param broken_line_length: After how much lines to break 
 
91
                                   branches.
 
92
        """
 
93
        gtk.VBox.__init__(self, spacing=0)
 
94
 
 
95
        self.pack_start(self.construct_loading_msg(), expand=False, fill=True)
 
96
        self.connect('revisions-loaded', 
 
97
                lambda x: self.loading_msg_box.hide())
 
98
 
 
99
        self.scrolled_window = gtk.ScrolledWindow()
 
100
        self.scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
101
        self.scrolled_window.set_shadow_type(gtk.SHADOW_IN)
 
102
        self.scrolled_window.show()
 
103
        self.pack_start(self.scrolled_window, expand=True, fill=True)
 
104
 
 
105
        self.scrolled_window.add(self.construct_treeview())
 
106
        
 
107
 
 
108
        self.iter = None
 
109
        self.branch = branch
 
110
        self.revision = None
 
111
 
 
112
        self.start = start
 
113
        self.maxnum = maxnum
 
114
        self.compact = compact
 
115
 
 
116
        gobject.idle_add(self.populate)
 
117
 
 
118
        self.connect("destroy", lambda x: self.branch.unlock())
 
119
 
 
120
    def do_get_property(self, property):
 
121
        if property.name == 'revno-column-visible':
 
122
            return self.revno_column.get_visible()
 
123
        elif property.name == 'date-column-visible':
 
124
            return self.date_column.get_visible()
 
125
        elif property.name == 'compact':
 
126
            return self.compact
 
127
        elif property.name == 'branch':
 
128
            return self.branch
 
129
        elif property.name == 'revision':
 
130
            return self.model.get_value(self.iter, treemodel.REVISION)
 
131
        elif property.name == 'revision-number':
 
132
            return self.model.get_value(self.iter, treemodel.REVNO)
 
133
        elif property.name == 'children':
 
134
            return self.model.get_value(self.iter, treemodel.CHILDREN)
 
135
        elif property.name == 'parents':
 
136
            return self.model.get_value(self.iter, treemodel.PARENTS)
 
137
        else:
 
138
            raise AttributeError, 'unknown property %s' % property.name
 
139
 
 
140
    def do_set_property(self, property, value):
 
141
        if property.name == 'revno-column-visible':
 
142
            self.revno_column.set_visible(value)
 
143
        elif property.name == 'date-column-visible':
 
144
            self.date_column.set_visible(value)
 
145
        elif property.name == 'compact':
 
146
            self.compact = value
 
147
        elif property.name == 'branch':
 
148
            self.branch = value
 
149
        elif property.name == 'revision':
 
150
            self.set_revision_id(value.revision_id)
 
151
        else:
 
152
            raise AttributeError, 'unknown property %s' % property.name
 
153
 
 
154
    def get_revision(self):
 
155
        """Return revision id of currently selected revision, or None."""
 
156
        return self.get_property('revision')
 
157
 
 
158
    def set_revision(self, revision):
 
159
        self.set_property('revision', revision)
 
160
 
 
161
    def set_revision_id(self, revid):
 
162
        """Change the currently selected revision.
 
163
 
 
164
        :param revid: Revision id of revision to display.
 
165
        """
 
166
        self.treeview.set_cursor(self.index[revid])
 
167
        self.treeview.grab_focus()
 
168
 
 
169
    def get_children(self):
 
170
        """Return the children of the currently selected revision.
 
171
 
 
172
        :return: list of revision ids.
 
173
        """
 
174
        return self.get_property('children')
 
175
 
 
176
    def get_parents(self):
 
177
        """Return the parents of the currently selected revision.
 
178
 
 
179
        :return: list of revision ids.
 
180
        """
 
181
        return self.get_property('parents')
 
182
 
 
183
    def add_tag(self, tag, revid=None):
 
184
        if revid is None: revid = self.revision.revision_id
 
185
 
 
186
        try:
 
187
            self.branch.unlock()
 
188
 
 
189
            try:
 
190
                self.branch.lock_write()
 
191
                self.model.add_tag(tag, revid)
 
192
            finally:
 
193
                self.branch.unlock()
 
194
 
 
195
        finally:
 
196
            self.branch.lock_read()
 
197
 
 
198
        self.emit('tag-added', tag, revid)
 
199
        
 
200
    def refresh(self):
 
201
        self.loading_msg_box.show()
 
202
        gobject.idle_add(self.populate, self.get_revision())
 
203
 
 
204
    def update(self):
 
205
        try:
 
206
            self.branch.unlock()
 
207
            try:
 
208
                self.branch.lock_write()
 
209
                self.branch.update()
 
210
            finally:
 
211
                self.branch.unlock()
 
212
        finally:
 
213
            self.branch.lock_read()
 
214
 
 
215
    def back(self):
 
216
        """Signal handler for the Back button."""
 
217
        parents = self.get_parents()
 
218
        if not len(parents):
 
219
            return
 
220
 
 
221
        for parent_id in parents:
 
222
            parent_index = self.index[parent_id]
 
223
            parent = self.model[parent_index][treemodel.REVISION]
 
224
            if same_branch(self.get_revision(), parent):
 
225
                self.set_revision(parent)
 
226
                break
 
227
        else:
 
228
            self.set_revision_id(parents[0])
 
229
 
 
230
    def forward(self):
 
231
        """Signal handler for the Forward button."""
 
232
        children = self.get_children()
 
233
        if not len(children):
 
234
            return
 
235
 
 
236
        for child_id in children:
 
237
            child_index = self.index[child_id]
 
238
            child = self.model[child_index][treemodel.REVISION]
 
239
            if same_branch(child, self.get_revision()):
 
240
                self.set_revision(child)
 
241
                break
 
242
        else:
 
243
            self.set_revision_id(children[0])
 
244
 
 
245
    def populate(self, revision=None):
 
246
        """Fill the treeview with contents.
 
247
 
 
248
        :param start: Revision id of revision to start with.
 
249
        :param maxnum: Maximum number of revisions to display, or None 
 
250
                       for no limit.
 
251
        :param broken_line_length: After how much lines branches \
 
252
                       should be broken.
 
253
        """
 
254
 
 
255
        if self.compact:
 
256
            broken_line_length = 32
 
257
        else:
 
258
            broken_line_length = None
 
259
 
 
260
        self.branch.lock_read()
 
261
        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
 
262
                                                        self.start,
 
263
                                                        self.maxnum, 
 
264
                                                        broken_line_length)
 
265
 
 
266
        self.model = TreeModel(self.branch, linegraphdata)
 
267
        self.graph_cell.columns_len = columns_len
 
268
        width = self.graph_cell.get_size(self.treeview)[2]
 
269
        if width > 500:
 
270
            width = 500
 
271
        self.graph_column.set_fixed_width(width)
 
272
        self.graph_column.set_max_width(width)
 
273
        self.index = index
 
274
        self.treeview.set_model(self.model)
 
275
 
 
276
        if revision is None:
 
277
            self.treeview.set_cursor(0)
 
278
        else:
 
279
            self.set_revision(revision)
 
280
 
 
281
        self.emit('revisions-loaded')
 
282
 
 
283
        return False
 
284
 
 
285
    def show_diff(self, revid=None, parentid=None):
 
286
        """Open a new window to show a diff between the given revisions."""
 
287
        from bzrlib.plugins.gtk.diff import DiffWindow
 
288
        window = DiffWindow(parent=self)
 
289
 
 
290
        parents = self.get_parents()
 
291
 
 
292
        if revid is None:
 
293
            revid = self.get_revision().revision_id
 
294
 
 
295
            if parentid is None and len(parents) > 0:
 
296
                parentid = parents[0]
 
297
 
 
298
        if parentid is None:
 
299
            parentid = NULL_REVISION
 
300
 
 
301
        rev_tree    = self.branch.repository.revision_tree(revid)
 
302
        parent_tree = self.branch.repository.revision_tree(parentid)
 
303
 
 
304
        description = revid + " - " + self.branch.nick
 
305
        window.set_diff(description, rev_tree, parent_tree)
 
306
        window.show()
 
307
 
 
308
    def construct_treeview(self):
 
309
        self.treeview = gtk.TreeView()
 
310
 
 
311
        self.treeview.set_rules_hint(True)
 
312
        self.treeview.set_search_column(treemodel.REVNO)
 
313
        
 
314
        # Fix old PyGTK bug - by JAM
 
315
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
 
316
        if set_tooltip is not None:
 
317
            set_tooltip(treemodel.MESSAGE)
 
318
 
 
319
        self.treeview.connect("cursor-changed",
 
320
                self._on_selection_changed)
 
321
 
 
322
        self.treeview.connect("row-activated", 
 
323
                self._on_revision_activated)
 
324
 
 
325
        self.treeview.connect("button-release-event", 
 
326
                self._on_revision_selected)
 
327
 
 
328
        self.treeview.set_property('fixed-height-mode', True)
 
329
 
 
330
        self.treeview.show()
 
331
 
 
332
        cell = gtk.CellRendererText()
 
333
        cell.set_property("width-chars", 15)
 
334
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
335
        self.revno_column = gtk.TreeViewColumn("Revision No")
 
336
        self.revno_column.set_resizable(True)
 
337
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
338
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
339
        self.revno_column.pack_start(cell, expand=True)
 
340
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
 
341
        self.treeview.append_column(self.revno_column)
 
342
 
 
343
        self.graph_cell = CellRendererGraph()
 
344
        self.graph_column = gtk.TreeViewColumn()
 
345
        self.graph_column.set_resizable(True)
 
346
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
347
        self.graph_column.pack_start(self.graph_cell, expand=False)
 
348
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
 
349
        self.graph_column.add_attribute(self.graph_cell, "tags", treemodel.TAGS)
 
350
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
 
351
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
 
352
        self.treeview.append_column(self.graph_column)
 
353
 
 
354
        cell = gtk.CellRendererText()
 
355
        cell.set_property("width-chars", 65)
 
356
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
357
        self.summary_column = gtk.TreeViewColumn("Summary")
 
358
        self.summary_column.set_resizable(True)
 
359
        self.summary_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
360
        self.summary_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
361
        self.summary_column.pack_start(cell, expand=True)
 
362
        self.summary_column.add_attribute(cell, "markup", treemodel.SUMMARY)
 
363
        self.treeview.append_column(self.summary_column)
 
364
 
 
365
        cell = gtk.CellRendererText()
 
366
        cell.set_property("width-chars", 15)
 
367
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
368
        self.committer_column = gtk.TreeViewColumn("Committer")
 
369
        self.committer_column.set_resizable(True)
 
370
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
371
        self.committer_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
372
        self.committer_column.pack_start(cell, expand=True)
 
373
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITTER)
 
374
        self.treeview.append_column(self.committer_column)
 
375
 
 
376
        cell = gtk.CellRendererText()
 
377
        cell.set_property("width-chars", 20)
 
378
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
379
        self.date_column = gtk.TreeViewColumn("Date")
 
380
        self.date_column.set_visible(False)
 
381
        self.date_column.set_resizable(True)
 
382
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
383
        self.date_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
384
        self.date_column.pack_start(cell, expand=True)
 
385
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
 
386
        self.treeview.append_column(self.date_column)
 
387
        
 
388
        return self.treeview
 
389
    
 
390
    def construct_loading_msg(self):
 
391
        image_loading = gtk.image_new_from_stock(gtk.STOCK_REFRESH,
 
392
                                                 gtk.ICON_SIZE_BUTTON)
 
393
        image_loading.show()
 
394
        
 
395
        label_loading = gtk.Label(_("Please wait, loading ancestral graph..."))
 
396
        label_loading.set_alignment(0.0, 0.5)
 
397
        label_loading.show()
 
398
        
 
399
        self.loading_msg_box = gtk.HBox()
 
400
        self.loading_msg_box.set_spacing(5)
 
401
        self.loading_msg_box.set_border_width(5)        
 
402
        self.loading_msg_box.pack_start(image_loading, False, False)
 
403
        self.loading_msg_box.pack_start(label_loading, True, True)
 
404
        self.loading_msg_box.show()
 
405
        
 
406
        return self.loading_msg_box
 
407
 
 
408
    def _on_selection_changed(self, treeview):
 
409
        """callback for when the treeview changes."""
 
410
        (path, focus) = treeview.get_cursor()
 
411
        if path is not None:
 
412
            self.iter = self.model.get_iter(path)
 
413
            self.emit('revision-selected')
 
414
 
 
415
    def _on_revision_selected(self, widget, event):
 
416
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
 
417
        if event.button == 3:
 
418
            menu = RevisionPopupMenu(self.branch.repository, 
 
419
                [self.get_revision().revision_id],
 
420
                self.branch)
 
421
            menu.connect('tag-added', lambda w, t, r: self.add_tag(t, r))
 
422
            menu.popup(None, None, None, event.button, event.get_time())
 
423
 
 
424
    def _on_revision_activated(self, widget, path, col):
 
425
        # TODO: more than one parent
 
426
        """Callback for when a treeview row gets activated."""
 
427
        revision_id = self.model[path][treemodel.REVID]
 
428
        parents = self.model[path][treemodel.PARENTS]
 
429
 
 
430
        if len(parents) == 0:
 
431
            parent_id = None
 
432
        else:
 
433
            parent_id = parents[0]
 
434
 
 
435
        self.show_diff(revision_id, parent_id)
 
436
        self.treeview.grab_focus()