/b-gtk/fix-viz

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Viewing changes to viz/treeview.py

  • Committer: Jelmer Vernooij
  • Date: 2007-07-15 18:12:57 UTC
  • Revision ID: jelmer@samba.org-20070715181257-g264qus2zyi3v39z
Add RevisionSelectionBox widget, use in TagDialog.

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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()