/b-gtk/fix-viz

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/b-gtk/fix-viz

« back to all changes in this revision

Viewing changes to viz/treeview.py

  • Committer: Daniel Schierbeck
  • Date: 2007-11-12 17:11:33 UTC
  • mfrom: (330.6.1 trunk)
  • Revision ID: daniel.schierbeck@gmail.com-20071112171133-ju9afbjziskeep2w
Merged with trunk.

Show diffs side-by-side

added added

removed removed

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
        'revno-column-visible': (gobject.TYPE_BOOLEAN,
 
36
                                 'Revision number',
 
37
                                 'Show revision number column',
 
38
                                 True,
 
39
                                 gobject.PARAM_READWRITE),
 
40
 
 
41
        'date-column-visible': (gobject.TYPE_BOOLEAN,
 
42
                                 'Date',
 
43
                                 'Show date column',
 
44
                                 False,
 
45
                                 gobject.PARAM_READWRITE)
 
46
 
 
47
    }
 
48
 
 
49
    __gsignals__ = {
 
50
        'revisions-loaded': (gobject.SIGNAL_RUN_FIRST, 
 
51
                             gobject.TYPE_NONE,
 
52
                             ()),
 
53
        'revision-selected': (gobject.SIGNAL_RUN_FIRST,
 
54
                              gobject.TYPE_NONE,
 
55
                              ())
 
56
    }
 
57
 
 
58
    def __init__(self, branch, start, maxnum, broken_line_length=None):
 
59
        """Create a new TreeView.
 
60
 
 
61
        :param branch: Branch object for branch to show.
 
62
        :param start: Revision id of top revision.
 
63
        :param maxnum: Maximum number of revisions to display, 
 
64
                       None for no limit.
 
65
        :param broken_line_length: After how much lines to break 
 
66
                                   branches.
 
67
        """
 
68
        gtk.ScrolledWindow.__init__(self)
 
69
 
 
70
        self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
71
        self.set_shadow_type(gtk.SHADOW_IN)
 
72
 
 
73
        self.construct_treeview()
 
74
 
 
75
        self.branch = branch
 
76
 
 
77
        gobject.idle_add(self.populate, start, maxnum, 
 
78
                         broken_line_length)
 
79
 
 
80
        self.revision = None
 
81
        self.children = None
 
82
        self.parents  = None
 
83
 
 
84
        self.connect("destroy", lambda x: self.branch.unlock())
 
85
 
 
86
    def do_get_property(self, property):
 
87
        if property.name == 'revno-column-visible':
 
88
            return self.revno_column.get_visible()
 
89
        elif property.name == 'date-column-visible':
 
90
            return self.date_column.get_visible()
 
91
        elif property.name == 'branch':
 
92
            return self.branch
 
93
        elif property.name == 'revision':
 
94
            return self.revision
 
95
        else:
 
96
            raise AttributeError, 'unknown property %s' % property.name
 
97
 
 
98
    def do_set_property(self, property, value):
 
99
        if property.name == 'revno-column-visible':
 
100
            self.revno_column.set_visible(value)
 
101
        elif property.name == 'date-column-visible':
 
102
            self.date_column.set_visible(value)
 
103
        elif property.name == 'branch':
 
104
            self.branch = value
 
105
        elif property.name == 'revision':
 
106
            self.set_revision_id(value.revision_id)
 
107
        else:
 
108
            raise AttributeError, 'unknown property %s' % property.name
 
109
 
 
110
    def get_revision(self):
 
111
        """Return revision id of currently selected revision, or None."""
 
112
        return self.revision
 
113
 
 
114
    def set_revision_id(self, revid):
 
115
        """Change the currently selected revision.
 
116
 
 
117
        :param revid: Revision id of revision to display.
 
118
        """
 
119
        self.treeview.set_cursor(self.index[revid])
 
120
        self.treeview.grab_focus()
 
121
 
 
122
    def get_children(self):
 
123
        """Return the children of the currently selected revision.
 
124
 
 
125
        :return: list of revision ids.
 
126
        """
 
127
        return self.children
 
128
 
 
129
    def get_parents(self):
 
130
        """Return the parents of the currently selected revision.
 
131
 
 
132
        :return: list of revision ids.
 
133
        """
 
134
        return self.parents
 
135
        
 
136
    def back(self):
 
137
        """Signal handler for the Back button."""
 
138
        (path, col) = self.treeview.get_cursor()
 
139
        revision = self.model[path][treemodel.REVISION]
 
140
        parents = self.model[path][treemodel.PARENTS]
 
141
        if not len(parents):
 
142
            return
 
143
 
 
144
        for parent_id in parents:
 
145
            parent_index = self.index[parent_id]
 
146
            parent = self.model[parent_index][treemodel.REVISION]
 
147
            if same_branch(revision, parent):
 
148
                self.treeview.set_cursor(parent_index)
 
149
                break
 
150
        else:
 
151
            self.treeview.set_cursor(self.index[parents[0]])
 
152
        self.treeview.grab_focus()
 
153
 
 
154
    def forward(self):
 
155
        """Signal handler for the Forward button."""
 
156
        (path, col) = self.treeview.get_cursor()
 
157
        revision = self.model[path][treemodel.REVISION]
 
158
        children = self.model[path][treemodel.CHILDREN]
 
159
        if not len(children):
 
160
            return
 
161
 
 
162
        for child_id in children:
 
163
            child_index = self.index[child_id]
 
164
            child = self.model[child_index][treemodel.REVISION]
 
165
            if same_branch(child, revision):
 
166
                self.treeview.set_cursor(child_index)
 
167
                break
 
168
        else:
 
169
            self.treeview.set_cursor(self.index[children[0]])
 
170
        self.treeview.grab_focus()
 
171
 
 
172
    def populate(self, start, maxnum, broken_line_length=None):
 
173
        """Fill the treeview with contents.
 
174
 
 
175
        :param start: Revision id of revision to start with.
 
176
        :param maxnum: Maximum number of revisions to display, or None 
 
177
                       for no limit.
 
178
        :param broken_line_length: After how much lines branches \
 
179
                       should be broken.
 
180
        """
 
181
        self.branch.lock_read()
 
182
        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
 
183
                                                        start,
 
184
                                                        maxnum, 
 
185
                                                        broken_line_length)
 
186
 
 
187
        self.model = TreeModel(self.branch.repository, linegraphdata)
 
188
        self.graph_cell.columns_len = columns_len
 
189
        width = self.graph_cell.get_size(self.treeview)[2]
 
190
        self.graph_column.set_fixed_width(width)
 
191
        self.graph_column.set_max_width(width)
 
192
        self.index = index
 
193
        self.treeview.set_model(self.model)
 
194
        self.treeview.set_cursor(0)
 
195
        self.emit('revisions-loaded')
 
196
 
 
197
        return False
 
198
 
 
199
    def show_diff(self, revid=None, parentid=None):
 
200
        """Open a new window to show a diff between the given revisions."""
 
201
        from bzrlib.plugins.gtk.diff import DiffWindow
 
202
        window = DiffWindow(parent=self)
 
203
 
 
204
        if revid is None:
 
205
            revid = self.revision.revision_id
 
206
 
 
207
            if parentid is None and len(self.parents) > 0:
 
208
                parentid = self.parents[0]
 
209
 
 
210
        if parentid is None:
 
211
            parentid = NULL_REVISION
 
212
 
 
213
        rev_tree    = self.branch.repository.revision_tree(revid)
 
214
        parent_tree = self.branch.repository.revision_tree(parentid)
 
215
 
 
216
        description = revid + " - " + self.branch.nick
 
217
        window.set_diff(description, rev_tree, parent_tree)
 
218
        window.show()
 
219
 
 
220
    def construct_treeview(self):
 
221
        self.treeview = gtk.TreeView()
 
222
 
 
223
        self.treeview.set_rules_hint(True)
 
224
        self.treeview.set_search_column(treemodel.REVNO)
 
225
        
 
226
        # Fix old PyGTK bug - by JAM
 
227
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
 
228
        if set_tooltip is not None:
 
229
            set_tooltip(treemodel.MESSAGE)
 
230
 
 
231
        self.treeview.connect("cursor-changed",
 
232
                self._on_selection_changed)
 
233
 
 
234
        self.treeview.connect("row-activated", 
 
235
                self._on_revision_activated)
 
236
 
 
237
        self.treeview.connect("button-release-event", 
 
238
                self._on_revision_selected)
 
239
 
 
240
        self.treeview.set_property('fixed-height-mode', True)
 
241
 
 
242
        self.add(self.treeview)
 
243
        self.treeview.show()
 
244
 
 
245
        cell = gtk.CellRendererText()
 
246
        cell.set_property("width-chars", 15)
 
247
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
248
        self.revno_column = gtk.TreeViewColumn("Revision No")
 
249
        self.revno_column.set_resizable(True)
 
250
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
251
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
252
        self.revno_column.pack_start(cell, expand=True)
 
253
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
 
254
        self.treeview.append_column(self.revno_column)
 
255
 
 
256
        self.graph_cell = CellRendererGraph()
 
257
        self.graph_column = gtk.TreeViewColumn()
 
258
        self.graph_column.set_resizable(True)
 
259
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
260
        self.graph_column.pack_start(self.graph_cell, expand=False)
 
261
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
 
262
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
 
263
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
 
264
        self.treeview.append_column(self.graph_column)
 
265
 
 
266
        cell = gtk.CellRendererText()
 
267
        cell.set_property("width-chars", 65)
 
268
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
269
        self.msg_column = gtk.TreeViewColumn("Message")
 
270
        self.msg_column.set_resizable(True)
 
271
        self.msg_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
272
        self.msg_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
273
        self.msg_column.pack_start(cell, expand=True)
 
274
        self.msg_column.add_attribute(cell, "text", treemodel.MESSAGE)
 
275
        self.treeview.append_column(self.msg_column)
 
276
 
 
277
        cell = gtk.CellRendererText()
 
278
        cell.set_property("width-chars", 15)
 
279
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
280
        self.committer_column = gtk.TreeViewColumn("Committer")
 
281
        self.committer_column.set_resizable(True)
 
282
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
283
        self.committer_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
284
        self.committer_column.pack_start(cell, expand=True)
 
285
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITER)
 
286
        self.treeview.append_column(self.committer_column)
 
287
 
 
288
        cell = gtk.CellRendererText()
 
289
        cell.set_property("width-chars", 20)
 
290
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
291
        self.date_column = gtk.TreeViewColumn("Date")
 
292
        self.date_column.set_visible(False)
 
293
        self.date_column.set_resizable(True)
 
294
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
295
        self.date_column.set_fixed_width(cell.get_size(self.treeview)[2])
 
296
        self.date_column.pack_start(cell, expand=True)
 
297
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
 
298
        self.treeview.append_column(self.date_column)
 
299
 
 
300
    def _on_selection_changed(self, treeview):
 
301
        """callback for when the treeview changes."""
 
302
        (path, focus) = treeview.get_cursor()
 
303
        if path is not None:
 
304
            iter = self.model.get_iter(path)
 
305
            self.revision = self.model.get_value(iter, treemodel.REVISION)
 
306
            self.parents = self.model.get_value(iter, treemodel.PARENTS)
 
307
            self.children = self.model.get_value(iter, treemodel.CHILDREN)
 
308
 
 
309
            self.emit('revision-selected')
 
310
 
 
311
    def _on_revision_selected(self, widget, event):
 
312
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
 
313
        if event.button == 3:
 
314
            menu = RevisionPopupMenu(self.branch.repository, 
 
315
                [self.get_revision().revision_id],
 
316
                self.branch)
 
317
            menu.popup(None, None, None, event.button, event.get_time())
 
318
 
 
319
    def _on_revision_activated(self, widget, path, col):
 
320
        # TODO: more than one parent
 
321
        """Callback for when a treeview row gets activated."""
 
322
        revision_id = self.model[path][treemodel.REVID]
 
323
        parents = self.model[path][treemodel.PARENTS]
 
324
 
 
325
        if len(parents) == 0:
 
326
            parent_id = None
 
327
        else:
 
328
            parent_id = parents[0]
 
329
 
 
330
        self.show_diff(revision_id, parent_id)
 
331
        self.treeview.grab_focus()