/b-gtk/fix-viz

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Viewing changes to viz/treeview.py

  • Committer: Jelmer Vernooij
  • Date: 2007-07-15 15:13:34 UTC
  • Revision ID: jelmer@samba.org-20070715151334-2t0g8fmpgj6vnqa7
Add icon for Bazaar preferences.

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# -*- 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
 
                                 'Revision number',
43
 
                                 'Show revision number 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
 
        self.branch.lock_read()
77
 
 
78
 
        gobject.idle_add(self.populate, start, maxnum, 
79
 
                         broken_line_length)
80
 
 
81
 
        self.revision = None
82
 
        self.children = None
83
 
        self.parents  = None
84
 
 
85
 
        self.connect('destroy', lambda w: self.branch.unlock())
86
 
 
87
 
    def do_get_property(self, property):
88
 
        if property.name == 'revno-column-visible':
89
 
            return self.revno_column.get_visible()
90
 
        elif property.name == 'date-column-visible':
91
 
            return self.date_column.get_visible()
92
 
        elif property.name == 'branch':
93
 
            return self.branch
94
 
        elif property.name == 'revision':
95
 
            return self.revision
96
 
        else:
97
 
            raise AttributeError, 'unknown property %s' % property.name
98
 
 
99
 
    def do_set_property(self, property, value):
100
 
        if property.name == 'revno-column-visible':
101
 
            self.revno_column.set_visible(value)
102
 
        elif property.name == 'date-column-visible':
103
 
            self.date_column.set_visible(value)
104
 
        elif property.name == 'branch':
105
 
            self.branch = value
106
 
        elif property.name == 'revision':
107
 
            self.set_revision_id(value.revision_id)
108
 
        else:
109
 
            raise AttributeError, 'unknown property %s' % property.name
110
 
 
111
 
    def get_revision(self):
112
 
        """Return revision id of currently selected revision, or None."""
113
 
        return self.revision
114
 
 
115
 
    def set_revision_id(self, revid):
116
 
        """Change the currently selected revision.
117
 
 
118
 
        :param revid: Revision id of revision to display.
119
 
        """
120
 
        self.treeview.set_cursor(self.index[revid])
121
 
        self.treeview.grab_focus()
122
 
 
123
 
    def get_children(self):
124
 
        """Return the children of the currently selected revision.
125
 
 
126
 
        :return: list of revision ids.
127
 
        """
128
 
        return self.children
129
 
 
130
 
    def get_parents(self):
131
 
        """Return the parents of the currently selected revision.
132
 
 
133
 
        :return: list of revision ids.
134
 
        """
135
 
        return self.parents
136
 
        
137
 
    def back(self):
138
 
        """Signal handler for the Back button."""
139
 
        (path, col) = self.treeview.get_cursor()
140
 
        revision = self.model[path][treemodel.REVISION]
141
 
        parents = self.model[path][treemodel.PARENTS]
142
 
        if not len(parents):
143
 
            return
144
 
 
145
 
        for parent_id in parents:
146
 
            parent_index = self.index[parent_id]
147
 
            parent = self.model[parent_index][treemodel.REVISION]
148
 
            if same_branch(revision, parent):
149
 
                self.treeview.set_cursor(parent_index)
150
 
                break
151
 
        else:
152
 
            self.treeview.set_cursor(self.index[parents[0]])
153
 
        self.treeview.grab_focus()
154
 
 
155
 
    def forward(self):
156
 
        """Signal handler for the Forward button."""
157
 
        (path, col) = self.treeview.get_cursor()
158
 
        revision = self.model[path][treemodel.REVISION]
159
 
        children = self.model[path][treemodel.CHILDREN]
160
 
        if not len(children):
161
 
            return
162
 
 
163
 
        for child_id in children:
164
 
            child_index = self.index[child_id]
165
 
            child = self.model[child_index][treemodel.REVISION]
166
 
            if same_branch(child, revision):
167
 
                self.treeview.set_cursor(child_index)
168
 
                break
169
 
        else:
170
 
            self.treeview.set_cursor(self.index[children[0]])
171
 
        self.treeview.grab_focus()
172
 
 
173
 
    def populate(self, start, maxnum, broken_line_length=None):
174
 
        """Fill the treeview with contents.
175
 
 
176
 
        :param start: Revision id of revision to start with.
177
 
        :param maxnum: Maximum number of revisions to display, or None 
178
 
                       for no limit.
179
 
        :param broken_line_length: After how much lines branches \
180
 
                       should be broken.
181
 
        """
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, branch, revid, 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
 
        rev_tree = branch.repository.revision_tree(revid)
205
 
 
206
 
        if parentid is None:
207
 
            parentid = NULL_REVISION
208
 
 
209
 
        parent_tree = branch.repository.revision_tree(parentid)
210
 
 
211
 
        description = revid + " - " + branch.nick
212
 
        window.set_diff(description, rev_tree, parent_tree)
213
 
        window.show()
214
 
 
215
 
    def construct_treeview(self):
216
 
        self.treeview = gtk.TreeView()
217
 
 
218
 
        self.treeview.set_rules_hint(True)
219
 
        self.treeview.set_search_column(treemodel.REVNO)
220
 
        self.treeview.set_tooltip_column(treemodel.MESSAGE)
221
 
 
222
 
        self.treeview.get_selection().connect("changed",
223
 
                self._on_selection_changed)
224
 
 
225
 
        self.treeview.connect("row-activated", 
226
 
                self._on_revision_activated)
227
 
 
228
 
        self.treeview.connect("button-release-event", 
229
 
                self._on_revision_selected)
230
 
 
231
 
        self.treeview.set_property('fixed-height-mode', True)
232
 
 
233
 
        self.add(self.treeview)
234
 
        self.treeview.show()
235
 
 
236
 
        cell = gtk.CellRendererText()
237
 
        cell.set_property("width-chars", 15)
238
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
239
 
        self.revno_column = gtk.TreeViewColumn("Revision No")
240
 
        self.revno_column.set_resizable(True)
241
 
        self.revno_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
242
 
        self.revno_column.set_fixed_width(cell.get_size(self.treeview)[2])
243
 
        self.revno_column.pack_start(cell, expand=True)
244
 
        self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
245
 
        self.treeview.append_column(self.revno_column)
246
 
 
247
 
        self.graph_cell = CellRendererGraph()
248
 
        self.graph_column = gtk.TreeViewColumn()
249
 
        self.graph_column.set_resizable(True)
250
 
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
251
 
        self.graph_column.pack_start(self.graph_cell, expand=False)
252
 
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
253
 
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
254
 
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
255
 
        self.treeview.append_column(self.graph_column)
256
 
 
257
 
        cell = gtk.CellRendererText()
258
 
        cell.set_property("width-chars", 65)
259
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
260
 
        self.msg_column = gtk.TreeViewColumn("Message")
261
 
        self.msg_column.set_resizable(True)
262
 
        self.msg_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
263
 
        self.msg_column.set_fixed_width(cell.get_size(self.treeview)[2])
264
 
        self.msg_column.pack_start(cell, expand=True)
265
 
        self.msg_column.add_attribute(cell, "text", treemodel.MESSAGE)
266
 
        self.treeview.append_column(self.msg_column)
267
 
 
268
 
        cell = gtk.CellRendererText()
269
 
        cell.set_property("width-chars", 15)
270
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
271
 
        self.committer_column = gtk.TreeViewColumn("Committer")
272
 
        self.committer_column.set_resizable(True)
273
 
        self.committer_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
274
 
        self.committer_column.set_fixed_width(cell.get_size(self.treeview)[2])
275
 
        self.committer_column.pack_start(cell, expand=True)
276
 
        self.committer_column.add_attribute(cell, "text", treemodel.COMMITER)
277
 
        self.treeview.append_column(self.committer_column)
278
 
 
279
 
        cell = gtk.CellRendererText()
280
 
        cell.set_property("width-chars", 40)
281
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
282
 
        self.date_column = gtk.TreeViewColumn("Date")
283
 
        self.date_column.set_visible(False)
284
 
        self.date_column.set_resizable(True)
285
 
        self.date_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
286
 
        self.date_column.set_fixed_width(cell.get_size(self.treeview)[2])
287
 
        self.date_column.pack_start(cell, expand=True)
288
 
        self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
289
 
        self.treeview.append_column(self.date_column)
290
 
 
291
 
    def _on_selection_changed(self, selection, *args):
292
 
        """callback for when the treeview changes."""
293
 
        (model, selected_rows) = selection.get_selected_rows()
294
 
        if len(selected_rows) > 0:
295
 
            iter = self.model.get_iter(selected_rows[0])
296
 
            self.revision = self.model.get_value(iter, treemodel.REVISION)
297
 
            self.parents = self.model.get_value(iter, treemodel.PARENTS)
298
 
            self.children = self.model.get_value(iter, treemodel.CHILDREN)
299
 
 
300
 
            self.emit('revision-selected')
301
 
 
302
 
    def _on_revision_selected(self, widget, event):
303
 
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
304
 
        if event.button == 3:
305
 
            menu = RevisionPopupMenu(self.branch.repository, 
306
 
                [self.get_revision().revision_id],
307
 
                self.branch)
308
 
            menu.popup(None, None, None, event.button, event.get_time())
309
 
 
310
 
    def _on_revision_activated(self, widget, path, col):
311
 
        # TODO: more than one parent
312
 
        """Callback for when a treeview row gets activated."""
313
 
        revision_id = self.model[path][treemodel.REVID]
314
 
        parents = self.model[path][treemodel.PARENTS]
315
 
 
316
 
        if len(parents) == 0:
317
 
            parent_id = None
318
 
        else:
319
 
            parent_id = parents[0]
320
 
 
321
 
        self.show_diff(self.branch, revision_id, parent_id)
322
 
        self.treeview.grab_focus()