/b-gtk/fix-viz

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Viewing changes to branchview/treeview.py

  • Committer: Daniel Schierbeck
  • Date: 2008-01-13 14:12:49 UTC
  • mto: (423.1.2 trunk)
  • mto: This revision was merged to the branch mainline in revision 429.
  • Revision ID: daniel.schierbeck@gmail.com-20080113141249-gd0i2lknr3yik55r
Moved branch view to its own package.

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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.ScrolledWindow):
 
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
    }
 
79
 
 
80
    def __init__(self, branch, start, maxnum, compact=True):
 
81
        """Create a new TreeView.
 
82
 
 
83
        :param branch: Branch object for branch to show.
 
84
        :param start: Revision id of top revision.
 
85
        :param maxnum: Maximum number of revisions to display, 
 
86
                       None for no limit.
 
87
        :param broken_line_length: After how much lines to break 
 
88
                                   branches.
 
89
        """
 
90
        gtk.ScrolledWindow.__init__(self)
 
91
 
 
92
        self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
93
        self.set_shadow_type(gtk.SHADOW_IN)
 
94
 
 
95
        self.construct_treeview()
 
96
 
 
97
        self.iter   = None
 
98
        self.branch = branch
 
99
 
 
100
        self.start = start
 
101
        self.maxnum = maxnum
 
102
        self.compact = compact
 
103
 
 
104
        gobject.idle_add(self.populate)
 
105
 
 
106
        self.connect("destroy", lambda x: self.branch.unlock())
 
107
 
 
108
    def do_get_property(self, property):
 
109
        if property.name == 'revno-column-visible':
 
110
            return self.revno_column.get_visible()
 
111
        elif property.name == 'date-column-visible':
 
112
            return self.date_column.get_visible()
 
113
        elif property.name == 'compact':
 
114
            return self.compact
 
115
        elif property.name == 'branch':
 
116
            return self.branch
 
117
        elif property.name == 'revision':
 
118
            return self.model.get_value(self.iter, treemodel.REVISION)
 
119
        elif property.name == 'revision-number':
 
120
            return self.model.get_value(self.iter, treemodel.REVNO)
 
121
        elif property.name == 'children':
 
122
            return self.model.get_value(self.iter, treemodel.CHILDREN)
 
123
        elif property.name == 'parents':
 
124
            return self.model.get_value(self.iter, treemodel.PARENTS)
 
125
        else:
 
126
            raise AttributeError, 'unknown property %s' % property.name
 
127
 
 
128
    def do_set_property(self, property, value):
 
129
        if property.name == 'revno-column-visible':
 
130
            self.revno_column.set_visible(value)
 
131
        elif property.name == 'date-column-visible':
 
132
            self.date_column.set_visible(value)
 
133
        elif property.name == 'compact':
 
134
            self.compact = value
 
135
        elif property.name == 'branch':
 
136
            self.branch = value
 
137
        elif property.name == 'revision':
 
138
            self.set_revision_id(value.revision_id)
 
139
        else:
 
140
            raise AttributeError, 'unknown property %s' % property.name
 
141
 
 
142
    def get_revision(self):
 
143
        """Return revision id of currently selected revision, or None."""
 
144
        return self.get_property('revision')
 
145
 
 
146
    def set_revision(self, revision):
 
147
        self.set_property('revision', revision)
 
148
 
 
149
    def set_revision_id(self, revid):
 
150
        """Change the currently selected revision.
 
151
 
 
152
        :param revid: Revision id of revision to display.
 
153
        """
 
154
        self.treeview.set_cursor(self.index[revid])
 
155
        self.treeview.grab_focus()
 
156
 
 
157
    def get_children(self):
 
158
        """Return the children of the currently selected revision.
 
159
 
 
160
        :return: list of revision ids.
 
161
        """
 
162
        return self.get_property('children')
 
163
 
 
164
    def get_parents(self):
 
165
        """Return the parents of the currently selected revision.
 
166
 
 
167
        :return: list of revision ids.
 
168
        """
 
169
        return self.get_property('parents')
 
170
        
 
171
    def refresh(self):
 
172
        gobject.idle_add(self.populate, self.get_revision())
 
173
 
 
174
    def update(self):
 
175
        try:
 
176
            self.branch.unlock()
 
177
            try:
 
178
                self.branch.lock_write()
 
179
                self.branch.update()
 
180
            finally:
 
181
                self.branch.unlock()
 
182
        finally:
 
183
            self.branch.lock_read()
 
184
 
 
185
    def back(self):
 
186
        """Signal handler for the Back button."""
 
187
        parents = self.get_parents()
 
188
        if not len(parents):
 
189
            return
 
190
 
 
191
        for parent_id in parents:
 
192
            parent_index = self.index[parent_id]
 
193
            parent = self.model[parent_index][treemodel.REVISION]
 
194
            if same_branch(self.get_revision(), parent):
 
195
                self.set_revision(parent)
 
196
                break
 
197
        else:
 
198
            self.set_revision_id(parents[0])
 
199
 
 
200
    def forward(self):
 
201
        """Signal handler for the Forward button."""
 
202
        children = self.get_children()
 
203
        if not len(children):
 
204
            return
 
205
 
 
206
        for child_id in children:
 
207
            child_index = self.index[child_id]
 
208
            child = self.model[child_index][treemodel.REVISION]
 
209
            if same_branch(child, self.get_revision()):
 
210
                self.set_revision(child)
 
211
                break
 
212
        else:
 
213
            self.set_revision_id(children[0])
 
214
 
 
215
    def populate(self, revision=None):
 
216
        """Fill the treeview with contents.
 
217
 
 
218
        :param start: Revision id of revision to start with.
 
219
        :param maxnum: Maximum number of revisions to display, or None 
 
220
                       for no limit.
 
221
        :param broken_line_length: After how much lines branches \
 
222
                       should be broken.
 
223
        """
 
224
 
 
225
        if self.compact:
 
226
            broken_line_length = 32
 
227
        else:
 
228
            broken_line_length = None
 
229
 
 
230
        self.branch.lock_read()
 
231
        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
 
232
                                                        self.start,
 
233
                                                        self.maxnum, 
 
234
                                                        broken_line_length)
 
235
 
 
236
        self.model = TreeModel(self.branch.repository, linegraphdata)
 
237
        self.graph_cell.columns_len = columns_len
 
238
        width = self.graph_cell.get_size(self.treeview)[2]
 
239
        if width > 500:
 
240
            width = 500
 
241
        self.graph_column.set_fixed_width(width)
 
242
        self.graph_column.set_max_width(width)
 
243
        self.index = index
 
244
        self.treeview.set_model(self.model)
 
245
 
 
246
        if revision is None:
 
247
            self.treeview.set_cursor(0)
 
248
        else:
 
249
            self.set_revision(revision)
 
250
 
 
251
        self.emit('revisions-loaded')
 
252
 
 
253
        return False
 
254
 
 
255
    def show_diff(self, revid=None, parentid=None):
 
256
        """Open a new window to show a diff between the given revisions."""
 
257
        from bzrlib.plugins.gtk.diff import DiffWindow
 
258
        window = DiffWindow(parent=self)
 
259
 
 
260
        parents = self.get_parents()
 
261
 
 
262
        if revid is None:
 
263
            revid = self.get_revision().revision_id
 
264
 
 
265
            if parentid is None and len(parents) > 0:
 
266
                parentid = parents[0]
 
267
 
 
268
        if parentid is None:
 
269
            parentid = NULL_REVISION
 
270
 
 
271
        rev_tree    = self.branch.repository.revision_tree(revid)
 
272
        parent_tree = self.branch.repository.revision_tree(parentid)
 
273
 
 
274
        description = revid + " - " + self.branch.nick
 
275
        window.set_diff(description, rev_tree, parent_tree)
 
276
        window.show()
 
277
 
 
278
    def construct_treeview(self):
 
279
        self.treeview = gtk.TreeView()
 
280
 
 
281
        self.treeview.set_rules_hint(True)
 
282
        self.treeview.set_search_column(treemodel.REVNO)
 
283
        
 
284
        # Fix old PyGTK bug - by JAM
 
285
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
 
286
        if set_tooltip is not None:
 
287
            set_tooltip(treemodel.MESSAGE)
 
288
 
 
289
        self.treeview.connect("cursor-changed",
 
290
                self._on_selection_changed)
 
291
 
 
292
        self.treeview.connect("row-activated", 
 
293
                self._on_revision_activated)
 
294
 
 
295
        self.treeview.connect("button-release-event", 
 
296
                self._on_revision_selected)
 
297
 
 
298
        self.treeview.set_property('fixed-height-mode', True)
 
299
 
 
300
        self.add(self.treeview)
 
301
        self.treeview.show()
 
302
 
 
303
        cell = gtk.CellRendererText()
 
304
        cell.set_property("width-chars", 15)
 
305
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
306
        self.revno_column = gtk.TreeViewColumn("Revision No")
 
307
        self.revno_column.set_resizable(True)
 
308
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
309
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
310
        self.revno_column.pack_start(cell, expand=True)
 
311
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
 
312
        self.treeview.append_column(self.revno_column)
 
313
 
 
314
        self.graph_cell = CellRendererGraph()
 
315
        self.graph_column = gtk.TreeViewColumn()
 
316
        self.graph_column.set_resizable(True)
 
317
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
318
        self.graph_column.pack_start(self.graph_cell, expand=False)
 
319
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
 
320
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
 
321
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
 
322
        self.treeview.append_column(self.graph_column)
 
323
 
 
324
        cell = gtk.CellRendererText()
 
325
        cell.set_property("width-chars", 65)
 
326
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
327
        self.msg_column = gtk.TreeViewColumn("Message")
 
328
        self.msg_column.set_resizable(True)
 
329
        self.msg_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
330
        self.msg_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
331
        self.msg_column.pack_start(cell, expand=True)
 
332
        self.msg_column.add_attribute(cell, "markup", treemodel.MESSAGE)
 
333
        self.treeview.append_column(self.msg_column)
 
334
 
 
335
        cell = gtk.CellRendererText()
 
336
        cell.set_property("width-chars", 15)
 
337
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
338
        self.committer_column = gtk.TreeViewColumn("Committer")
 
339
        self.committer_column.set_resizable(True)
 
340
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
341
        self.committer_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
342
        self.committer_column.pack_start(cell, expand=True)
 
343
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITER)
 
344
        self.treeview.append_column(self.committer_column)
 
345
 
 
346
        cell = gtk.CellRendererText()
 
347
        cell.set_property("width-chars", 20)
 
348
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
349
        self.date_column = gtk.TreeViewColumn("Date")
 
350
        self.date_column.set_visible(False)
 
351
        self.date_column.set_resizable(True)
 
352
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
353
        self.date_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
354
        self.date_column.pack_start(cell, expand=True)
 
355
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
 
356
        self.treeview.append_column(self.date_column)
 
357
 
 
358
    def _on_selection_changed(self, treeview):
 
359
        """callback for when the treeview changes."""
 
360
        (path, focus) = treeview.get_cursor()
 
361
        if path is not None:
 
362
            self.iter = self.model.get_iter(path)
 
363
            self.emit('revision-selected')
 
364
 
 
365
    def _on_revision_selected(self, widget, event):
 
366
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
 
367
        if event.button == 3:
 
368
            menu = RevisionPopupMenu(self.branch.repository, 
 
369
                [self.get_revision().revision_id],
 
370
                self.branch)
 
371
            menu.popup(None, None, None, event.button, event.get_time())
 
372
 
 
373
    def _on_revision_activated(self, widget, path, col):
 
374
        # TODO: more than one parent
 
375
        """Callback for when a treeview row gets activated."""
 
376
        revision_id = self.model[path][treemodel.REVID]
 
377
        parents = self.model[path][treemodel.PARENTS]
 
378
 
 
379
        if len(parents) == 0:
 
380
            parent_id = None
 
381
        else:
 
382
            parent_id = parents[0]
 
383
 
 
384
        self.show_diff(revision_id, parent_id)
 
385
        self.treeview.grab_focus()