/b-gtk/fix-viz

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Viewing changes to branchview/treeview.py

  • Committer: Gary van der Merwe
  • Date: 2007-08-10 10:45:06 UTC
  • mto: This revision was merged to the branch mainline in revision 256.
  • Revision ID: garyvdm@gmail.com-20070810104506-wo2mp9zfkh338axe
Make icon locations consistant between source and installed version. Let glade nkow where to find the icons with a project file.

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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()