/b-gtk/fix-viz

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Viewing changes to viz/treeview.py

  • Committer: Jelmer Vernooij
  • Date: 2007-04-03 17:16:07 UTC
  • mfrom: (187 trunk)
  • mto: This revision was merged to the branch mainline in revision 188.
  • Revision ID: jelmer@samba.org-20070403171607-0zaskazouokrm4cq
Tags: bzr-gtk-0.15.2
Prepare for 0.15.2

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# -*- coding: UTF-8 -*-
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"""Revision history view.
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"""
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__copyright__ = "Copyright � 2005 Canonical Ltd."
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__author__    = "Daniel Schierbeck <daniel.schierbeck@gmail.com>"
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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
 
    __gsignals__ = {
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            'revisions-loaded': (gobject.SIGNAL_RUN_FIRST, 
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                                 gobject.TYPE_NONE,
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                                 ()),
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            'revision-selected': (gobject.SIGNAL_RUN_FIRST,
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                                  gobject.TYPE_NONE,
30
 
                                  ())
31
 
    }
32
 
 
33
 
    def __init__(self, branch, start, maxnum, broken_line_length=None):
34
 
        """Create a new TreeView.
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36
 
        :param branch: Branch object for branch to show.
37
 
        :param start: Revision id of top revision.
38
 
        :param maxnum: Maximum number of revisions to display, 
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                       None for no limit.
40
 
        :param broken_line_length: After how much lines to break 
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                                   branches.
42
 
        """
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        gtk.ScrolledWindow.__init__(self)
44
 
 
45
 
        self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
46
 
        self.set_shadow_type(gtk.SHADOW_IN)
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48
 
        self.construct_treeview()
49
 
 
50
 
        self.branch = branch
51
 
        self.branch.lock_read()
52
 
 
53
 
        gobject.idle_add(self.populate, start, maxnum, 
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                         broken_line_length)
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56
 
        self.revision = None
57
 
        self.children = None
58
 
        self.parents  = None
59
 
 
60
 
        self.connect('destroy', lambda w: self.branch.unlock())
61
 
 
62
 
    def get_revision(self):
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        """Return revision id of currently selected revision, or None."""
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        return self.revision
65
 
 
66
 
    def set_revision(self, revid):
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        """Change the currently selected revision.
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69
 
        :param revid: Revision id of revision to display.
70
 
        """
71
 
        self.treeview.set_cursor(self.index[revid])
72
 
        self.treeview.grab_focus()
73
 
 
74
 
    def get_children(self):
75
 
        """Return the children of the currently selected revision.
76
 
 
77
 
        :return: list of revision ids.
78
 
        """
79
 
        return self.children
80
 
 
81
 
    def get_parents(self):
82
 
        """Return the parents of the currently selected revision.
83
 
 
84
 
        :return: list of revision ids.
85
 
        """
86
 
        return self.parents
87
 
        
88
 
    def back(self):
89
 
        """Signal handler for the Back button."""
90
 
        (path, col) = self.treeview.get_cursor()
91
 
        revision = self.model[path][treemodel.REVISION]
92
 
        parents = self.model[path][treemodel.PARENTS]
93
 
        if not len(parents):
94
 
            return
95
 
 
96
 
        for parent_id in parents:
97
 
            parent_index = self.index[parent_id]
98
 
            parent = self.model[parent_index][treemodel.REVISION]
99
 
            if same_branch(revision, parent):
100
 
                self.treeview.set_cursor(parent_index)
101
 
                break
102
 
        else:
103
 
            self.treeview.set_cursor(self.index[parents[0]])
104
 
        self.treeview.grab_focus()
105
 
 
106
 
    def forward(self):
107
 
        """Signal handler for the Forward button."""
108
 
        (path, col) = self.treeview.get_cursor()
109
 
        revision = self.model[path][treemodel.REVISION]
110
 
        children = self.model[path][treemodel.CHILDREN]
111
 
        if not len(children):
112
 
            return
113
 
 
114
 
        for child_id in children:
115
 
            child_index = self.index[child_id]
116
 
            child = self.model[child_index][treemodel.REVISION]
117
 
            if same_branch(child, revision):
118
 
                self.treeview.set_cursor(child_index)
119
 
                break
120
 
        else:
121
 
            self.treeview.set_cursor(self.index[children[0]])
122
 
        self.treeview.grab_focus()
123
 
 
124
 
    def populate(self, start, maxnum, broken_line_length=None):
125
 
        """Fill the treeview with contents.
126
 
 
127
 
        :param start: Revision id of revision to start with.
128
 
        :param maxnum: Maximum number of revisions to display, or None 
129
 
                       for no limit.
130
 
        :param broken_line_length: After how much lines branches \
131
 
                       should be broken.
132
 
        """
133
 
        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
134
 
                                                        start,
135
 
                                                        maxnum, 
136
 
                                                        broken_line_length)
137
 
 
138
 
        self.model = TreeModel(self.branch.repository, linegraphdata)
139
 
        self.graph_cell.columns_len = columns_len
140
 
        width = self.graph_cell.get_size(self.treeview)[2]
141
 
        self.graph_column.set_fixed_width(width)
142
 
        self.graph_column.set_max_width(width)
143
 
        self.index = index
144
 
        self.treeview.set_model(self.model)
145
 
        self.treeview.set_cursor(0)
146
 
        self.emit('revisions-loaded')
147
 
 
148
 
        return False
149
 
 
150
 
    def show_diff(self, branch, revid, parentid=None):
151
 
        """Open a new window to show a diff between the given revisions."""
152
 
        from bzrlib.plugins.gtk.diff import DiffWindow
153
 
        window = DiffWindow(parent=self)
154
 
 
155
 
        rev_tree    = branch.repository.revision_tree(revid)
156
 
 
157
 
        if parentid is None:
158
 
            parentid = NULL_REVISION
159
 
 
160
 
        parent_tree = branch.repository.revision_tree(parentid)
161
 
 
162
 
        description = revid + " - " + branch.nick
163
 
        window.set_diff(description, rev_tree, parent_tree)
164
 
        window.show()
165
 
 
166
 
    def construct_treeview(self):
167
 
        self.treeview = gtk.TreeView()
168
 
 
169
 
        self.treeview.set_rules_hint(True)
170
 
        self.treeview.set_search_column(treemodel.REVNO)
171
 
        self.treeview.set_tooltip_column(treemodel.MESSAGE)
172
 
 
173
 
        self.treeview.get_selection().connect("changed",
174
 
                self._on_selection_changed)
175
 
 
176
 
        self.treeview.connect("row-activated", 
177
 
                self._on_revision_activated)
178
 
 
179
 
        self.treeview.connect("button-release-event", 
180
 
                self._on_revision_selected)
181
 
 
182
 
        self.treeview.set_property('fixed-height-mode', True)
183
 
 
184
 
        self.add(self.treeview)
185
 
        self.treeview.show()
186
 
 
187
 
        cell = gtk.CellRendererText()
188
 
        cell.set_property("width-chars", 15)
189
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
190
 
        column = gtk.TreeViewColumn("Revision No")
191
 
        column.set_resizable(True)
192
 
        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
193
 
        column.set_fixed_width(cell.get_size(self.treeview)[2])
194
 
        column.pack_start(cell, expand=True)
195
 
        column.add_attribute(cell, "text", treemodel.REVNO)
196
 
        self.treeview.append_column(column)
197
 
 
198
 
        self.graph_cell = CellRendererGraph()
199
 
        self.graph_column = gtk.TreeViewColumn()
200
 
        self.graph_column.set_resizable(True)
201
 
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
202
 
        self.graph_column.pack_start(self.graph_cell, expand=False)
203
 
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
204
 
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
205
 
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
206
 
        self.treeview.append_column(self.graph_column)
207
 
 
208
 
        cell = gtk.CellRendererText()
209
 
        cell.set_property("width-chars", 65)
210
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
211
 
        column = gtk.TreeViewColumn("Message")
212
 
        column.set_resizable(True)
213
 
        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
214
 
        column.set_fixed_width(cell.get_size(self.treeview)[2])
215
 
        column.pack_start(cell, expand=True)
216
 
        column.add_attribute(cell, "text", treemodel.MESSAGE)
217
 
        self.treeview.append_column(column)
218
 
 
219
 
        cell = gtk.CellRendererText()
220
 
        cell.set_property("width-chars", 15)
221
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
222
 
        column = gtk.TreeViewColumn("Committer")
223
 
        column.set_resizable(True)
224
 
        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
225
 
        column.set_fixed_width(cell.get_size(self.treeview)[2])
226
 
        column.pack_start(cell, expand=True)
227
 
        column.add_attribute(cell, "text", treemodel.COMMITER)
228
 
        self.treeview.append_column(column)
229
 
 
230
 
    def _on_selection_changed(self, selection, *args):
231
 
        """callback for when the treeview changes."""
232
 
        (model, selected_rows) = selection.get_selected_rows()
233
 
        if len(selected_rows) > 0:
234
 
            iter = self.model.get_iter(selected_rows[0])
235
 
            self.revision = self.model.get_value(iter, treemodel.REVISION)
236
 
            self.parents = self.model.get_value(iter, treemodel.PARENTS)
237
 
            self.children = self.model.get_value(iter, treemodel.CHILDREN)
238
 
 
239
 
            self.emit('revision-selected')
240
 
 
241
 
    def _on_revision_selected(self, widget, event):
242
 
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
243
 
        if event.button == 3:
244
 
            menu = RevisionPopupMenu(self.branch.repository, 
245
 
                [self.get_revision().revision_id],
246
 
                self.branch)
247
 
            menu.popup(None, None, None, event.button, event.get_time())
248
 
 
249
 
    def _on_revision_activated(self, widget, path, col):
250
 
        # TODO: more than one parent
251
 
        """Callback for when a treeview row gets activated."""
252
 
        revision_id = self.model[path][treemodel.REVID]
253
 
        parents = self.model[path][treemodel.PARENTS]
254
 
 
255
 
        if len(parents) == 0:
256
 
            parent_id = None
257
 
        else:
258
 
            parent_id = parents[0]
259
 
 
260
 
        self.show_diff(self.branch, revision_id, parent_id)
261
 
        self.treeview.grab_focus()