/b-gtk/fix-viz

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Viewing changes to annotate/gannotate.py

  • Committer: Jelmer Vernooij
  • Date: 2012-07-09 15:23:26 UTC
  • mto: This revision was merged to the branch mainline in revision 794.
  • Revision ID: jelmer@samba.org-20120709152326-dzxb8zoz0btull7n
Remove bzr-notify.

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removed removed

Lines of Context:
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import time
18
18
 
19
 
import pygtk
20
 
pygtk.require("2.0")
21
 
import gobject
22
 
import gtk
23
 
import pango
 
19
from gi.repository import GObject
 
20
from gi.repository import Gdk
 
21
from gi.repository import Gtk
 
22
from gi.repository import Pango
 
23
import re
24
24
 
 
25
from bzrlib import patiencediff
25
26
from bzrlib.errors import NoSuchRevision
 
27
from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
26
28
 
27
 
from colormap import AnnotateColorMap, AnnotateColorSaturation
28
 
from logview import LogView
29
 
from spanselector import SpanSelector
 
29
from bzrlib.plugins.gtk.annotate.colormap import AnnotateColorSaturation
 
30
from bzrlib.plugins.gtk.i18n import _i18n
 
31
from bzrlib.plugins.gtk.revisionview import RevisionView
 
32
from bzrlib.plugins.gtk.window import Window
30
33
 
31
34
 
32
35
(
39
42
) = range(6)
40
43
 
41
44
 
42
 
class GAnnotateWindow(gtk.Window):
 
45
class GAnnotateWindow(Window):
43
46
    """Annotate window."""
44
47
 
45
 
    def __init__(self, all=False, plain=False):
 
48
    def __init__(self, all=False, plain=False, parent=None, branch=None):
46
49
        self.all = all
47
50
        self.plain = plain
48
 
        
49
 
        gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
50
 
        
51
 
        self.set_icon(self.render_icon(gtk.STOCK_FIND, gtk.ICON_SIZE_BUTTON))
 
51
        self._branch = branch
 
52
 
 
53
        super(GAnnotateWindow, self).__init__(parent=parent)
 
54
 
 
55
        self.set_icon(
 
56
            self.render_icon_pixbuf(Gtk.STOCK_FIND, Gtk.IconSize.BUTTON))
52
57
        self.annotate_colormap = AnnotateColorSaturation()
53
58
 
54
59
        self._create()
55
 
 
56
 
        if self.plain:
57
 
            self.span_selector.hide()
58
 
 
59
 
    def annotate(self, branch, file_id):
60
60
        self.revisions = {}
61
 
        
62
 
        # [revision id, line number, committer, revno, highlight color, line]
63
 
        self.annomodel = gtk.ListStore(gobject.TYPE_STRING,
64
 
                                       gobject.TYPE_STRING,
65
 
                                       gobject.TYPE_STRING,
66
 
                                       gobject.TYPE_STRING,
67
 
                                       gobject.TYPE_STRING,
68
 
                                       gobject.TYPE_STRING)
69
 
        
 
61
        self.history = []
 
62
        self._no_back = set()
 
63
 
 
64
    def annotate(self, tree, branch, file_id):
 
65
        self.annotations = []
 
66
        self.branch = branch
 
67
        self.tree = tree
 
68
        self.file_id = file_id
 
69
        self.revisionview.set_file_id(file_id)
 
70
        self.revision_id = getattr(tree, 'get_revision_id', 
 
71
                                   lambda: CURRENT_REVISION)()
 
72
 
 
73
        # [revision id, line number, author, revno, highlight color, line]
 
74
        self.annomodel = Gtk.ListStore(GObject.TYPE_STRING,
 
75
                                       GObject.TYPE_INT,
 
76
                                       GObject.TYPE_STRING,
 
77
                                       GObject.TYPE_STRING,
 
78
                                       GObject.TYPE_STRING,
 
79
                                       GObject.TYPE_STRING)
 
80
 
70
81
        last_seen = None
71
82
        try:
72
83
            branch.lock_read()
73
84
            branch.repository.lock_read()
 
85
            self.dotted = {}
 
86
            revno_map = self.branch.get_revision_id_to_revno_map()
 
87
            for revision_id, revno in revno_map.iteritems():
 
88
                self.dotted[revision_id] = '.'.join(str(num) for num in revno)
74
89
            for line_no, (revision, revno, line)\
75
 
                    in enumerate(self._annotate(branch, file_id)):
 
90
                in enumerate(self._annotate(tree, file_id)):
76
91
                if revision.revision_id == last_seen and not self.all:
77
 
                    revno = committer = ""
 
92
                    revno = author = ""
78
93
                else:
79
94
                    last_seen = revision.revision_id
80
 
                    committer = revision.committer
 
95
                    author = ", ".join(revision.get_apparent_authors())
81
96
 
82
97
                if revision.revision_id not in self.revisions:
83
98
                    self.revisions[revision.revision_id] = revision
84
99
 
85
100
                self.annomodel.append([revision.revision_id,
86
101
                                       line_no + 1,
87
 
                                       committer,
 
102
                                       author,
88
103
                                       revno,
89
104
                                       None,
90
105
                                       line.rstrip("\r\n")
91
 
                                      ])
 
106
                                       ])
 
107
                self.annotations.append(revision)
92
108
 
93
109
            if not self.plain:
94
 
                self._set_oldest_newest()
95
 
                # Recall that calling activate_default will emit "span-changed",
96
 
                # so self._span_changed_cb will take care of initial highlighting
97
 
                self.span_selector.activate_default()
 
110
                now = time.time()
 
111
                self.annomodel.foreach(self._highlight_annotation, now)
98
112
        finally:
99
113
            branch.repository.unlock()
100
114
            branch.unlock()
101
115
 
102
116
        self.annoview.set_model(self.annomodel)
103
117
        self.annoview.grab_focus()
 
118
        my_revno = self.dotted.get(self.revision_id, 'current')
 
119
        title = '%s (%s) - gannotate' % (self.tree.id2path(file_id), my_revno)
 
120
        self.set_title(title)
104
121
 
105
122
    def jump_to_line(self, lineno):
106
123
        if lineno > len(self.annomodel) or lineno < 1:
109
126
            # bar?
110
127
            print("gannotate: Line number %d does't exist. Defaulting to "
111
128
                  "line 1." % lineno)
 
129
            return
112
130
        else:
113
131
            row = lineno - 1
114
132
 
115
 
        self.annoview.set_cursor(row)
 
133
        tree_path = Gtk.TreePath(path=row)
 
134
        self.annoview.set_cursor(tree_path, None, False)
 
135
        self.annoview.scroll_to_cell(tree_path, use_align=True)
116
136
 
117
 
    def _annotate(self, branch, file_id):
118
 
        rev_hist = branch.revision_history()
119
 
        repository = branch.repository
120
 
        rev_tree = repository.revision_tree(branch.last_revision())
121
 
        rev_id = rev_tree.inventory[file_id].revision
122
 
        weave = repository.weave_store.get_weave(file_id,
123
 
                                                 branch.get_transaction())
124
 
        
125
 
        revision_cache = RevisionCache(repository)
126
 
        for origin, text in weave.annotate_iter(rev_id):
 
137
    def _annotate(self, tree, file_id):
 
138
        current_revision = FakeRevision(CURRENT_REVISION)
 
139
        current_revision.committer = self.branch.get_config().username()
 
140
        current_revision.timestamp = time.time()
 
141
        current_revision.message = '[Not yet committed]'
 
142
        current_revision.parent_ids = tree.get_parent_ids()
 
143
        current_revision.properties['branch-nick'] = self.branch._get_nick(local=True)
 
144
        current_revno = '%d?' % (self.branch.revno() + 1)
 
145
        repository = self.branch.repository
 
146
        if self.revision_id == CURRENT_REVISION:
 
147
            revision_id = self.branch.last_revision()
 
148
        else:
 
149
            revision_id = self.revision_id
 
150
        revision_cache = RevisionCache(repository, self.revisions)
 
151
        for origin, text in tree.annotate_iter(file_id):
127
152
            rev_id = origin
128
 
            try:
129
 
                revision = revision_cache.get_revision(rev_id)
130
 
                if rev_id in rev_hist:
131
 
                    revno = branch.revision_id_to_revno(rev_id)
132
 
                else:
133
 
                    revno = "merge"
134
 
            except NoSuchRevision:
135
 
                revision = NoneRevision(rev_id)
136
 
                revno = "?"
 
153
            if rev_id == CURRENT_REVISION:
 
154
                revision = current_revision
 
155
                revno = current_revno
 
156
            else:
 
157
                try:
 
158
                    revision = revision_cache.get_revision(rev_id)
 
159
                    revno = self.dotted.get(rev_id, 'merge')
 
160
                    if len(revno) > 15:
 
161
                        revno = 'merge'
 
162
                except NoSuchRevision:
 
163
                    revision = FakeRevision(rev_id)
 
164
                    revno = "?"
137
165
 
138
166
            yield revision, revno, text
139
167
 
140
 
    def _set_oldest_newest(self):
141
 
        rev_dates = map(lambda i: self.revisions[i].timestamp, self.revisions)
142
 
        oldest = min(rev_dates)
143
 
        newest = max(rev_dates)
144
 
 
145
 
        span = self._span_from_seconds(time.time() - oldest)
146
 
        self.span_selector.set_to_oldest_span(span)
147
 
        
148
 
        span = self._span_from_seconds(newest - oldest)
149
 
        self.span_selector.set_newest_to_oldest_span(span)
150
 
 
151
 
    def _span_from_seconds(self, seconds):
152
 
        return (seconds / (24 * 60 * 60))
153
 
    
154
 
    def _span_changed_cb(self, w, span):
155
 
        self.annotate_colormap.set_span(span)
156
 
        now = time.time()
157
 
        self.annomodel.foreach(self._highlight_annotation, now)
158
 
 
159
168
    def _highlight_annotation(self, model, path, iter, now):
160
169
        revision_id, = model.get(iter, REVISION_ID_COL)
161
170
        revision = self.revisions[revision_id]
162
 
        model.set(iter, HIGHLIGHT_COLOR_COL,
163
 
                  self.annotate_colormap.get_color(revision, now))
 
171
        # XXX sinzui 2011-08-12: What does get_color return?
 
172
        color = self.annotate_colormap.get_color(revision, now)
 
173
        model.set_value(iter, HIGHLIGHT_COLOR_COL, color)
164
174
 
165
 
    def _show_log(self, w):
 
175
    def _selected_revision(self):
166
176
        (path, col) = self.annoview.get_cursor()
167
 
        rev_id = self.annomodel[path][REVISION_ID_COL]
168
 
        self.logview.set_revision(self.revisions[rev_id])
 
177
        if path is None:
 
178
            return None
 
179
        return self.annomodel[path][REVISION_ID_COL]
 
180
 
 
181
    def _activate_selected_revision(self, w):
 
182
        rev_id = self._selected_revision()
 
183
        if not rev_id or rev_id == NULL_REVISION:
 
184
            return
 
185
        selected = self.revisions[rev_id]
 
186
        self.revisionview.set_revision(selected)
 
187
        if (len(selected.parent_ids) != 0 and selected.parent_ids[0] not in
 
188
            self._no_back):
 
189
            enable_back = True
 
190
        else:
 
191
            enable_back = False
 
192
        self.back_button.set_sensitive(enable_back)
169
193
 
170
194
    def _create(self):
171
 
        self.logview = self._create_log_view()
 
195
        self.revisionview = self._create_log_view()
172
196
        self.annoview = self._create_annotate_view()
173
 
        self.span_selector = self._create_span_selector()
174
197
 
175
 
        vbox = gtk.VBox(False, 12)
176
 
        vbox.set_border_width(12)
 
198
        vbox = Gtk.VBox(homogeneous=False, spacing=0)
177
199
        vbox.show()
178
200
 
179
 
        sw = gtk.ScrolledWindow()
180
 
        sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
181
 
        sw.set_shadow_type(gtk.SHADOW_IN)
 
201
        sw = Gtk.ScrolledWindow()
 
202
        sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
 
203
        sw.set_shadow_type(Gtk.ShadowType.IN)
182
204
        sw.add(self.annoview)
 
205
        self.annoview.gwindow = self
183
206
        sw.show()
184
 
        
185
 
        self.pane = pane = gtk.VPaned()
186
 
        pane.add1(sw)
187
 
        pane.add2(self.logview)
 
207
 
 
208
        swbox = Gtk.VBox()
 
209
        swbox.pack_start(sw, True, True, 0)
 
210
        swbox.show()
 
211
 
 
212
        hbox = Gtk.HBox(homogeneous=False, spacing=6)
 
213
        self.back_button = self._create_back_button()
 
214
        hbox.pack_start(self.back_button, False, True, 0)
 
215
        self.forward_button = self._create_forward_button()
 
216
        hbox.pack_start(self.forward_button, False, True, 0)
 
217
        self.find_button = self._create_find_button()
 
218
        hbox.pack_start(self.find_button, False, True, 0)
 
219
        self.goto_button = self._create_goto_button()
 
220
        hbox.pack_start(self.goto_button, False, True, 0)
 
221
        hbox.show()
 
222
        vbox.pack_start(hbox, False, True, 0)
 
223
 
 
224
        self.pane = pane = Gtk.Paned.new(Gtk.Orientation.VERTICAL)
 
225
        pane.add1(swbox)
 
226
        pane.add2(self.revisionview)
188
227
        pane.show()
189
 
        vbox.pack_start(pane, expand=True, fill=True)
190
 
        
191
 
        hbox = gtk.HBox(True, 6)
192
 
        hbox.pack_start(self.span_selector, expand=False, fill=True)
193
 
        hbox.pack_start(self._create_button_box(), expand=False, fill=True)
194
 
        hbox.show()
195
 
        vbox.pack_start(hbox, expand=False, fill=True)
 
228
        vbox.pack_start(pane, True, True, 0)
 
229
 
 
230
        self._search = SearchBox()
 
231
        swbox.pack_start(self._search, False, True, 0)
 
232
        accels = Gtk.AccelGroup()
 
233
        accels.connect(Gdk.KEY_f, Gdk.ModifierType.CONTROL_MASK,
 
234
                             Gtk.AccelFlags.LOCKED,
 
235
                             self._search_by_text)
 
236
        accels.connect(Gdk.KEY_g, Gdk.ModifierType.CONTROL_MASK,
 
237
                             Gtk.AccelFlags.LOCKED,
 
238
                             self._search_by_line)
 
239
        self.add_accel_group(accels)
196
240
 
197
241
        self.add(vbox)
198
242
 
 
243
    def _search_by_text(self, *ignored): # (accel_group, window, key, modifiers):
 
244
        self._search.show_for('text')
 
245
        self._search.set_target(self.annoview, TEXT_LINE_COL)
 
246
 
 
247
    def _search_by_line(self, *ignored): # accel_group, window, key, modifiers):
 
248
        self._search.show_for('line')
 
249
        self._search.set_target(self.annoview, LINE_NUM_COL)
 
250
 
 
251
    def line_diff(self, tv, path, tvc):
 
252
        row = path.get_indices()[0]
 
253
        revision = self.annotations[row]
 
254
        repository = self.branch.repository
 
255
        if revision.revision_id == CURRENT_REVISION:
 
256
            tree1 = self.tree
 
257
            tree2 = self.tree.basis_tree()
 
258
        else:
 
259
            tree1 = repository.revision_tree(revision.revision_id)
 
260
            if len(revision.parent_ids) > 0:
 
261
                tree2 = repository.revision_tree(revision.parent_ids[0])
 
262
            else:
 
263
                tree2 = repository.revision_tree(NULL_REVISION)
 
264
        from bzrlib.plugins.gtk.diff import DiffWindow
 
265
        window = DiffWindow(self)
 
266
        window.set_diff("Diff for line %d" % (row+1), tree1, tree2)
 
267
        window.set_file(tree1.id2path(self.file_id))
 
268
        window.show()
 
269
 
 
270
 
199
271
    def _create_annotate_view(self):
200
 
        tv = gtk.TreeView()
 
272
        tv = Gtk.TreeView()
201
273
        tv.set_rules_hint(False)
202
 
        tv.connect("cursor-changed", self._show_log)
 
274
        tv.connect("cursor-changed", self._activate_selected_revision)
203
275
        tv.show()
 
276
        tv.connect("row-activated", self.line_diff)
204
277
 
205
 
        cell = gtk.CellRendererText()
 
278
        cell = Gtk.CellRendererText()
206
279
        cell.set_property("xalign", 1.0)
207
280
        cell.set_property("ypad", 0)
208
281
        cell.set_property("family", "Monospace")
209
282
        cell.set_property("cell-background-gdk",
210
 
                          tv.get_style().bg[gtk.STATE_NORMAL])
211
 
        col = gtk.TreeViewColumn()
 
283
                          tv.get_style().bg[Gtk.StateType.NORMAL])
 
284
        col = Gtk.TreeViewColumn()
212
285
        col.set_resizable(False)
213
 
        col.pack_start(cell, expand=True)
 
286
        col.pack_start(cell, True)
214
287
        col.add_attribute(cell, "text", LINE_NUM_COL)
215
288
        tv.append_column(col)
216
289
 
217
 
        cell = gtk.CellRendererText()
 
290
        cell = Gtk.CellRendererText()
218
291
        cell.set_property("ypad", 0)
219
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
292
        cell.set_property("ellipsize", Pango.EllipsizeMode.END)
220
293
        cell.set_property("cell-background-gdk",
221
 
                          self.get_style().bg[gtk.STATE_NORMAL])
222
 
        col = gtk.TreeViewColumn("Committer")
 
294
                          self.get_style().bg[Gtk.StateType.NORMAL])
 
295
        col = Gtk.TreeViewColumn("Committer")
223
296
        col.set_resizable(True)
224
 
        col.pack_start(cell, expand=True)
 
297
        col.pack_start(cell, True)
225
298
        col.add_attribute(cell, "text", COMMITTER_COL)
226
299
        tv.append_column(col)
227
300
 
228
 
        cell = gtk.CellRendererText()
 
301
        cell = Gtk.CellRendererText()
229
302
        cell.set_property("xalign", 1.0)
230
303
        cell.set_property("ypad", 0)
231
304
        cell.set_property("cell-background-gdk",
232
 
                          self.get_style().bg[gtk.STATE_NORMAL])
233
 
        col = gtk.TreeViewColumn("Revno")
 
305
                          self.get_style().bg[Gtk.StateType.NORMAL])
 
306
        col = Gtk.TreeViewColumn("Revno")
234
307
        col.set_resizable(False)
235
 
        col.pack_start(cell, expand=True)
 
308
        col.pack_start(cell, True)
236
309
        col.add_attribute(cell, "markup", REVNO_COL)
237
310
        tv.append_column(col)
238
311
 
239
 
        cell = gtk.CellRendererText()
 
312
        cell = Gtk.CellRendererText()
240
313
        cell.set_property("ypad", 0)
241
314
        cell.set_property("family", "Monospace")
242
 
        col = gtk.TreeViewColumn()
 
315
        col = Gtk.TreeViewColumn()
243
316
        col.set_resizable(False)
244
 
        col.pack_start(cell, expand=True)
 
317
        col.pack_start(cell, True)
245
318
#        col.add_attribute(cell, "foreground", HIGHLIGHT_COLOR_COL)
246
319
        col.add_attribute(cell, "background", HIGHLIGHT_COLOR_COL)
247
320
        col.add_attribute(cell, "text", TEXT_LINE_COL)
248
321
        tv.append_column(col)
249
322
 
250
 
        tv.set_search_column(LINE_NUM_COL)
251
 
        
 
323
        # interactive substring search
 
324
        def search_equal_func(model, column, key, iter):
 
325
            return model.get_value(iter, TEXT_LINE_COL).lower().find(key.lower()) == -1
 
326
 
 
327
        tv.set_enable_search(True)
 
328
        tv.set_search_equal_func(search_equal_func, None)
 
329
 
252
330
        return tv
253
331
 
254
 
    def _create_span_selector(self):
255
 
        ss = SpanSelector()
256
 
        ss.connect("span-changed", self._span_changed_cb)
257
 
        ss.show()
258
 
 
259
 
        return ss
260
 
 
261
332
    def _create_log_view(self):
262
 
        lv = LogView()
 
333
        lv = RevisionView(self._branch)
263
334
        lv.show()
264
 
 
265
335
        return lv
266
336
 
267
 
    def _create_button_box(self):
268
 
        box = gtk.HButtonBox()
269
 
        box.set_layout(gtk.BUTTONBOX_END)
270
 
        box.show()
271
 
        
272
 
        button = gtk.Button()
273
 
        button.set_use_stock(True)
274
 
        button.set_label("gtk-close")
275
 
        button.connect("clicked", lambda w: self.destroy())
276
 
        button.show()
277
 
        
278
 
        box.pack_start(button, expand=False, fill=False)
279
 
 
280
 
        return box
281
 
 
282
 
 
283
 
class NoneRevision:
 
337
    def _create_back_button(self):
 
338
        button = Gtk.Button()
 
339
        button.set_use_stock(True)
 
340
        button.set_label("gtk-go-back")
 
341
        button.connect("clicked", lambda w: self.go_back())
 
342
        button.set_relief(Gtk.ReliefStyle.NONE)
 
343
        button.show()
 
344
        return button
 
345
 
 
346
    def _create_forward_button(self):
 
347
        button = Gtk.Button()
 
348
        button.set_use_stock(True)
 
349
        button.set_label("gtk-go-forward")
 
350
        button.connect("clicked", lambda w: self.go_forward())
 
351
        button.set_relief(Gtk.ReliefStyle.NONE)
 
352
        button.show()
 
353
        button.set_sensitive(False)
 
354
        return button
 
355
 
 
356
    def _create_find_button(self):
 
357
        button = Gtk.Button()
 
358
        button.set_use_stock(True)
 
359
        button.set_label("gtk-find")
 
360
        button.set_tooltip_text("Search for text (Ctrl+F)")
 
361
        button.connect("clicked", self._search_by_text)
 
362
        button.set_relief(Gtk.ReliefStyle.NONE)
 
363
        button.show()
 
364
        button.set_sensitive(True)
 
365
        return button
 
366
 
 
367
    def _create_goto_button(self):
 
368
        button = Gtk.Button()
 
369
        button.set_label("Goto Line")
 
370
        button.set_tooltip_text("Scroll to a line by entering its number (Ctrl+G)")
 
371
        button.connect("clicked", self._search_by_line)
 
372
        button.set_relief(Gtk.ReliefStyle.NONE)
 
373
        button.show()
 
374
        button.set_sensitive(True)
 
375
        return button
 
376
 
 
377
    def go_back(self):
 
378
        last_tree = self.tree
 
379
        rev_id = self._selected_revision()
 
380
        parent_id = self.revisions[rev_id].parent_ids[0]
 
381
        target_tree = self.branch.repository.revision_tree(parent_id)
 
382
        if self._go(target_tree):
 
383
            self.history.append(last_tree)
 
384
            self.forward_button.set_sensitive(True)
 
385
        else:
 
386
            self._no_back.add(parent_id)
 
387
            self.back_button.set_sensitive(False)
 
388
 
 
389
    def go_forward(self):
 
390
        if len(self.history) == 0:
 
391
            return
 
392
        target_tree = self.history.pop()
 
393
        if len(self.history) == 0:
 
394
            self.forward_button.set_sensitive(False)
 
395
        self._go(target_tree)
 
396
 
 
397
    def _go(self, target_tree):
 
398
        rev_id = self._selected_revision()
 
399
        if self.file_id in target_tree:
 
400
            offset = self.get_scroll_offset(target_tree)
 
401
            path, col = self.annoview.get_cursor()
 
402
            (row,) = path.get_indices()
 
403
            self.annotate(target_tree, self.branch, self.file_id)
 
404
            new_row = row+offset
 
405
            if new_row < 0:
 
406
                new_row = 0
 
407
            new_path = Gtk.TreePath(path=new_row)
 
408
            self.annoview.set_cursor(new_path, None, False)
 
409
            return True
 
410
        else:
 
411
            return False
 
412
 
 
413
    def get_scroll_offset(self, tree):
 
414
        old = self.tree.get_file(self.file_id)
 
415
        new = tree.get_file(self.file_id)
 
416
        path, col = self.annoview.get_cursor()
 
417
        (row,) = path.get_indices()
 
418
        matcher = patiencediff.PatienceSequenceMatcher(None, old.readlines(),
 
419
                                                       new.readlines())
 
420
        for i, j, n in matcher.get_matching_blocks():
 
421
            if i + n >= row:
 
422
                return j - i
 
423
 
 
424
 
 
425
class FakeRevision(object):
284
426
    """ A fake revision.
285
427
 
286
428
    For when a revision is referenced but not present.
287
429
    """
288
430
 
289
 
    def __init__(self, revision_id):
 
431
    def __init__(self, revision_id, committer='?', nick=None):
290
432
        self.revision_id = revision_id
291
433
        self.parent_ids = []
292
 
        self.committer = "?"
 
434
        self.committer = committer
293
435
        self.message = "?"
294
436
        self.timestamp = 0.0
295
437
        self.timezone = 0
 
438
        self.properties = {}
 
439
 
 
440
    def get_apparent_authors(self):
 
441
        return [self.committer]
296
442
 
297
443
 
298
444
class RevisionCache(object):
299
445
    """A caching revision source"""
300
 
    def __init__(self, real_source):
 
446
 
 
447
    def __init__(self, real_source, seed_cache=None):
301
448
        self.__real_source = real_source
302
 
        self.__cache = {}
 
449
        if seed_cache is None:
 
450
            self.__cache = {}
 
451
        else:
 
452
            self.__cache = dict(seed_cache)
303
453
 
304
454
    def get_revision(self, revision_id):
305
455
        if revision_id not in self.__cache:
306
456
            revision = self.__real_source.get_revision(revision_id)
307
457
            self.__cache[revision_id] = revision
308
458
        return self.__cache[revision_id]
 
459
 
 
460
 
 
461
class SearchBox(Gtk.HBox):
 
462
    """A button box for searching in text or lines of annotations"""
 
463
    def __init__(self):
 
464
        super(SearchBox, self).__init__(homogeneous=False, spacing=6)
 
465
 
 
466
        # Close button
 
467
        button = Gtk.Button()
 
468
        image = Gtk.Image()
 
469
        image.set_from_stock('gtk-stop', Gtk.IconSize.BUTTON)
 
470
        button.set_image(image)
 
471
        button.set_relief(Gtk.ReliefStyle.NONE)
 
472
        button.connect("clicked", lambda w: self.hide())
 
473
        self.pack_start(button, False, False, 0)
 
474
 
 
475
        # Search entry
 
476
        label = Gtk.Label()
 
477
        self._label = label
 
478
        self.pack_start(label, False, False, 0)
 
479
 
 
480
        entry = Gtk.Entry()
 
481
        self._entry = entry
 
482
        entry.connect("activate", lambda w, d: self._do_search(d),
 
483
                      'forward')
 
484
        self.pack_start(entry, False, False, 0)
 
485
 
 
486
        # Next/previous buttons
 
487
        button = Gtk.Button(_i18n('_Next'), use_underline=True)
 
488
        image = Gtk.Image()
 
489
        image.set_from_stock('gtk-go-forward', Gtk.IconSize.BUTTON)
 
490
        button.set_image(image)
 
491
        button.connect("clicked", lambda w, d: self._do_search(d),
 
492
                       'forward')
 
493
        self.pack_start(button, False, False, 0)
 
494
 
 
495
        button = Gtk.Button(_i18n('_Previous'), use_underline=True)
 
496
        image = Gtk.Image()
 
497
        image.set_from_stock('gtk-go-back', Gtk.IconSize.BUTTON)
 
498
        button.set_image(image)
 
499
        button.connect("clicked", lambda w, d: self._do_search(d),
 
500
                       'backward')
 
501
        self.pack_start(button, False, False, 0)
 
502
 
 
503
        # Search options
 
504
        check = Gtk.CheckButton('Match case')
 
505
        self._match_case = check
 
506
        self.pack_start(check, False, False, 0)
 
507
 
 
508
        check = Gtk.CheckButton('Regexp')
 
509
        check.connect("toggled", lambda w: self._set_label())
 
510
        self._regexp = check
 
511
        self.pack_start(check, False, False, 0)
 
512
 
 
513
        self._view = None
 
514
        self._column = None
 
515
        # Note that we stay hidden (we do not call self.show_all())
 
516
 
 
517
 
 
518
    def show_for(self, kind):
 
519
        self._kind = kind
 
520
        self.show_all()
 
521
        self._set_label()
 
522
        # Hide unrelated buttons
 
523
        if kind == 'line':
 
524
            self._match_case.hide()
 
525
            self._regexp.hide()
 
526
        # Be ready
 
527
        self._entry.grab_focus()
 
528
 
 
529
    def _set_label(self):
 
530
        if self._kind == 'line':
 
531
            self._label.set_text('Find Line: ')
 
532
        else:
 
533
            if self._regexp.get_active():
 
534
                self._label.set_text('Find Regexp: ')
 
535
            else:
 
536
                self._label.set_text('Find Text: ')
 
537
 
 
538
    def set_target(self, view,column):
 
539
        self._view = view
 
540
        self._column = column
 
541
 
 
542
    def _match(self, model, iterator, column):
 
543
        matching_case = self._match_case.get_active()
 
544
        cell_value, = model.get(iterator, column)
 
545
        key = self._entry.get_text()
 
546
        if column == LINE_NUM_COL:
 
547
            # FIXME: For goto-line there are faster algorithms than searching 
 
548
            # every line til we find the right one! -- mbp 2011-01-27
 
549
            return key.strip() == str(cell_value)
 
550
        elif self._regexp.get_active():
 
551
            if matching_case:
 
552
                match = re.compile(key).search(cell_value, 1)
 
553
            else:
 
554
                match = re.compile(key, re.I).search(cell_value, 1)
 
555
        else:
 
556
            if not matching_case:
 
557
                cell_value = cell_value.lower()
 
558
                key = key.lower()
 
559
            match = cell_value.find(key) != -1
 
560
 
 
561
        return match
 
562
 
 
563
    def _iterate_rows_forward(self, model, start):
 
564
        model_size = len(model)
 
565
        current = start + 1
 
566
        while model_size != 0:
 
567
            if current >= model_size: current =  0
 
568
            yield model.get_iter_from_string('%d' % current)
 
569
            if current == start: raise StopIteration
 
570
            current += 1
 
571
 
 
572
    def _iterate_rows_backward(self, model, start):
 
573
        model_size = len(model)
 
574
        current = start - 1
 
575
        while model_size != 0:
 
576
            if current < 0: current = model_size - 1
 
577
            yield model.get_iter_from_string('%d' % current)
 
578
            if current == start: raise StopIteration
 
579
            current -= 1
 
580
 
 
581
    def _do_search(self, direction):
 
582
        if direction == 'forward':
 
583
            iterate = self._iterate_rows_forward
 
584
        else:
 
585
            iterate = self._iterate_rows_backward
 
586
 
 
587
        model, sel = self._view.get_selection().get_selected()
 
588
        if sel is None:
 
589
            start = 0
 
590
        else:
 
591
            path = model.get_string_from_iter(sel)
 
592
            start = int(path)
 
593
 
 
594
        for row in iterate(model, start):
 
595
            if self._match(model, row, self._column):
 
596
                path = model.get_path(row)
 
597
                self._view.set_cursor(path, None, False)
 
598
                self._view.scroll_to_cell(path, use_align=True)
 
599
                break