/b-gtk/fix-viz

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Viewing changes to viz/treeview.py

  • Committer: Daniel Schierbeck
  • Date: 2007-11-21 20:04:21 UTC
  • mto: (450.1.11 trunk) (399.1.17 signatures)
  • mto: This revision was merged to the branch mainline in revision 458.
  • Revision ID: daniel.schierbeck@gmail.com-20071121200421-tays6ie3oa6yqjag
Fixed bug in GPG module.

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Lines of Context:
viz/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
    }
 
64
 
 
65
    __gsignals__ = {
 
66
        'revisions-loaded': (gobject.SIGNAL_RUN_FIRST, 
 
67
                             gobject.TYPE_NONE,
 
68
                             ()),
 
69
        'revision-selected': (gobject.SIGNAL_RUN_FIRST,
 
70
                              gobject.TYPE_NONE,
 
71
                              ())
 
72
    }
 
73
 
 
74
    def __init__(self, branch, start, maxnum, broken_line_length=None):
 
75
        """Create a new TreeView.
 
76
 
 
77
        :param branch: Branch object for branch to show.
 
78
        :param start: Revision id of top revision.
 
79
        :param maxnum: Maximum number of revisions to display, 
 
80
                       None for no limit.
 
81
        :param broken_line_length: After how much lines to break 
 
82
                                   branches.
 
83
        """
 
84
        gtk.ScrolledWindow.__init__(self)
 
85
 
 
86
        self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
87
        self.set_shadow_type(gtk.SHADOW_IN)
 
88
 
 
89
        self.construct_treeview()
 
90
 
 
91
        self.iter   = None
 
92
        self.branch = branch
 
93
 
 
94
        gobject.idle_add(self.populate, start, maxnum, 
 
95
                         broken_line_length)
 
96
 
 
97
        self.connect("destroy", lambda x: self.branch.unlock())
 
98
 
 
99
    def do_get_property(self, property):
 
100
        if property.name == 'revno-column-visible':
 
101
            return self.revno_column.get_visible()
 
102
        elif property.name == 'date-column-visible':
 
103
            return self.date_column.get_visible()
 
104
        elif property.name == 'branch':
 
105
            return self.branch
 
106
        elif property.name == 'revision':
 
107
            return self.model.get_value(self.iter, treemodel.REVISION)
 
108
        elif property.name == 'revision-number':
 
109
            return self.model.get_value(self.iter, treemodel.REVNO)
 
110
        elif property.name == 'children':
 
111
            return self.model.get_value(self.iter, treemodel.CHILDREN)
 
112
        elif property.name == 'parents':
 
113
            return self.model.get_value(self.iter, treemodel.PARENTS)
 
114
        else:
 
115
            raise AttributeError, 'unknown property %s' % property.name
 
116
 
 
117
    def do_set_property(self, property, value):
 
118
        if property.name == 'revno-column-visible':
 
119
            self.revno_column.set_visible(value)
 
120
        elif property.name == 'date-column-visible':
 
121
            self.date_column.set_visible(value)
 
122
        elif property.name == 'branch':
 
123
            self.branch = value
 
124
        elif property.name == 'revision':
 
125
            self.set_revision_id(value.revision_id)
 
126
        else:
 
127
            raise AttributeError, 'unknown property %s' % property.name
 
128
 
 
129
    def get_revision(self):
 
130
        """Return revision id of currently selected revision, or None."""
 
131
        return self.get_property('revision')
 
132
 
 
133
    def set_revision(self, revision):
 
134
        self.set_property('revision', revision)
 
135
 
 
136
    def set_revision_id(self, revid):
 
137
        """Change the currently selected revision.
 
138
 
 
139
        :param revid: Revision id of revision to display.
 
140
        """
 
141
        self.treeview.set_cursor(self.index[revid])
 
142
        self.treeview.grab_focus()
 
143
 
 
144
    def get_children(self):
 
145
        """Return the children of the currently selected revision.
 
146
 
 
147
        :return: list of revision ids.
 
148
        """
 
149
        return self.get_property('children')
 
150
 
 
151
    def get_parents(self):
 
152
        """Return the parents of the currently selected revision.
 
153
 
 
154
        :return: list of revision ids.
 
155
        """
 
156
        return self.get_property('parents')
 
157
        
 
158
    def back(self):
 
159
        """Signal handler for the Back button."""
 
160
        parents = self.get_parents()
 
161
        if not len(parents):
 
162
            return
 
163
 
 
164
        for parent_id in parents:
 
165
            parent_index = self.index[parent_id]
 
166
            parent = self.model[parent_index][treemodel.REVISION]
 
167
            if same_branch(self.get_revision(), parent):
 
168
                self.set_revision(parent)
 
169
                break
 
170
        else:
 
171
            self.set_revision_id(parents[0])
 
172
 
 
173
    def forward(self):
 
174
        """Signal handler for the Forward button."""
 
175
        children = self.get_children()
 
176
        if not len(children):
 
177
            return
 
178
 
 
179
        for child_id in children:
 
180
            child_index = self.index[child_id]
 
181
            child = self.model[child_index][treemodel.REVISION]
 
182
            if same_branch(child, self.get_revision()):
 
183
                self.set_revision(child)
 
184
                break
 
185
        else:
 
186
            self.set_revision_id(children[0])
 
187
 
 
188
    def populate(self, start, maxnum, broken_line_length=None):
 
189
        """Fill the treeview with contents.
 
190
 
 
191
        :param start: Revision id of revision to start with.
 
192
        :param maxnum: Maximum number of revisions to display, or None 
 
193
                       for no limit.
 
194
        :param broken_line_length: After how much lines branches \
 
195
                       should be broken.
 
196
        """
 
197
        self.branch.lock_read()
 
198
        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
 
199
                                                        start,
 
200
                                                        maxnum, 
 
201
                                                        broken_line_length)
 
202
 
 
203
        self.model = TreeModel(self.branch.repository, linegraphdata)
 
204
        self.graph_cell.columns_len = columns_len
 
205
        width = self.graph_cell.get_size(self.treeview)[2]
 
206
        self.graph_column.set_fixed_width(width)
 
207
        self.graph_column.set_max_width(width)
 
208
        self.index = index
 
209
        self.treeview.set_model(self.model)
 
210
        self.treeview.set_cursor(0)
 
211
        self.emit('revisions-loaded')
 
212
 
 
213
        return False
 
214
 
 
215
    def show_diff(self, revid=None, parentid=None):
 
216
        """Open a new window to show a diff between the given revisions."""
 
217
        from bzrlib.plugins.gtk.diff import DiffWindow
 
218
        window = DiffWindow(parent=self)
 
219
 
 
220
        parents = self.get_parents()
 
221
 
 
222
        if revid is None:
 
223
            revid = self.get_revision().revision_id
 
224
 
 
225
            if parentid is None and len(parents) > 0:
 
226
                parentid = parents[0]
 
227
 
 
228
        if parentid is None:
 
229
            parentid = NULL_REVISION
 
230
 
 
231
        rev_tree    = self.branch.repository.revision_tree(revid)
 
232
        parent_tree = self.branch.repository.revision_tree(parentid)
 
233
 
 
234
        description = revid + " - " + self.branch.nick
 
235
        window.set_diff(description, rev_tree, parent_tree)
 
236
        window.show()
 
237
 
 
238
    def construct_treeview(self):
 
239
        self.treeview = gtk.TreeView()
 
240
 
 
241
        self.treeview.set_rules_hint(True)
 
242
        self.treeview.set_search_column(treemodel.REVNO)
 
243
        
 
244
        # Fix old PyGTK bug - by JAM
 
245
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
 
246
        if set_tooltip is not None:
 
247
            set_tooltip(treemodel.MESSAGE)
 
248
 
 
249
        self.treeview.connect("cursor-changed",
 
250
                self._on_selection_changed)
 
251
 
 
252
        self.treeview.connect("row-activated", 
 
253
                self._on_revision_activated)
 
254
 
 
255
        self.treeview.connect("button-release-event", 
 
256
                self._on_revision_selected)
 
257
 
 
258
        self.treeview.set_property('fixed-height-mode', True)
 
259
 
 
260
        self.add(self.treeview)
 
261
        self.treeview.show()
 
262
 
 
263
        cell = gtk.CellRendererText()
 
264
        cell.set_property("width-chars", 15)
 
265
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
266
        self.revno_column = gtk.TreeViewColumn("Revision No")
 
267
        self.revno_column.set_resizable(True)
 
268
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
269
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
270
        self.revno_column.pack_start(cell, expand=True)
 
271
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
 
272
        self.treeview.append_column(self.revno_column)
 
273
 
 
274
        self.graph_cell = CellRendererGraph()
 
275
        self.graph_column = gtk.TreeViewColumn()
 
276
        self.graph_column.set_resizable(True)
 
277
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
278
        self.graph_column.pack_start(self.graph_cell, expand=False)
 
279
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
 
280
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
 
281
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
 
282
        self.treeview.append_column(self.graph_column)
 
283
 
 
284
        cell = gtk.CellRendererText()
 
285
        cell.set_property("width-chars", 65)
 
286
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
287
        self.msg_column = gtk.TreeViewColumn("Message")
 
288
        self.msg_column.set_resizable(True)
 
289
        self.msg_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
290
        self.msg_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
291
        self.msg_column.pack_start(cell, expand=True)
 
292
        self.msg_column.add_attribute(cell, "text", treemodel.MESSAGE)
 
293
        self.treeview.append_column(self.msg_column)
 
294
 
 
295
        cell = gtk.CellRendererText()
 
296
        cell.set_property("width-chars", 15)
 
297
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
298
        self.committer_column = gtk.TreeViewColumn("Committer")
 
299
        self.committer_column.set_resizable(True)
 
300
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
301
        self.committer_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
302
        self.committer_column.pack_start(cell, expand=True)
 
303
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITER)
 
304
        self.treeview.append_column(self.committer_column)
 
305
 
 
306
        cell = gtk.CellRendererText()
 
307
        cell.set_property("width-chars", 20)
 
308
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
309
        self.date_column = gtk.TreeViewColumn("Date")
 
310
        self.date_column.set_visible(False)
 
311
        self.date_column.set_resizable(True)
 
312
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
313
        self.date_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
314
        self.date_column.pack_start(cell, expand=True)
 
315
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
 
316
        self.treeview.append_column(self.date_column)
 
317
 
 
318
    def _on_selection_changed(self, treeview):
 
319
        """callback for when the treeview changes."""
 
320
        (path, focus) = treeview.get_cursor()
 
321
        if path is not None:
 
322
            self.iter = self.model.get_iter(path)
 
323
            self.emit('revision-selected')
 
324
 
 
325
    def _on_revision_selected(self, widget, event):
 
326
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
 
327
        if event.button == 3:
 
328
            menu = RevisionPopupMenu(self.branch.repository, 
 
329
                [self.get_revision().revision_id],
 
330
                self.branch)
 
331
            menu.popup(None, None, None, event.button, event.get_time())
 
332
 
 
333
    def _on_revision_activated(self, widget, path, col):
 
334
        # TODO: more than one parent
 
335
        """Callback for when a treeview row gets activated."""
 
336
        revision_id = self.model[path][treemodel.REVID]
 
337
        parents = self.model[path][treemodel.PARENTS]
 
338
 
 
339
        if len(parents) == 0:
 
340
            parent_id = None
 
341
        else:
 
342
            parent_id = parents[0]
 
343
 
 
344
        self.show_diff(revision_id, parent_id)
 
345
        self.treeview.grab_focus()