/b-gtk/fix-viz

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Viewing changes to viz/treeview.py

  • Committer: Jelmer Vernooij
  • Author(s): Kiddo
  • Date: 2007-11-28 18:00:03 UTC
  • mto: This revision was merged to the branch mainline in revision 410.
  • Revision ID: jelmer@samba.org-20071128180003-oq0m5cfuab52ekk1
Make toolbars follow GNOME standards.

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viz/treeview.py
 
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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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import sys
 
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import string
 
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import gtk
 
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import gobject
 
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import pango
 
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import re
 
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import treemodel
 
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from linegraph import linegraph, same_branch
 
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from graphcell import CellRendererGraph
 
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from treemodel import TreeModel
 
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class TreeView(gtk.ScrolledWindow):
 
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    __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,
 
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                                  ())
 
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    }
 
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    def __init__(self, branch, start, maxnum, broken_line_length=None):
 
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        """Create a new TreeView.
 
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        :param branch: Branch object for branch to show.
 
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        :param start: Revision id of top revision.
 
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        :param maxnum: Maximum number of revisions to display, 
 
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                       None for no limit.
 
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        :param broken_line_length: After how much lines to break 
 
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                                   branches.
 
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        """
 
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        gtk.ScrolledWindow.__init__(self)
 
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        self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
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        self.set_shadow_type(gtk.SHADOW_IN)
 
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        self.construct_treeview()
 
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        self.branch = branch
 
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        self.branch.lock_read()
 
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        gobject.idle_add(self.populate, start, maxnum, 
 
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                         broken_line_length)
 
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        self.revision = None
 
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        self.children = None
 
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        self.parents  = None
 
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        self.connect('destroy', lambda w: self.branch.unlock())
 
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    def get_revision(self):
 
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        """Return revision id of currently selected revision, or None."""
 
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        return self.revision
 
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    def set_revision(self, revid):
 
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        """Change the currently selected revision.
 
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        :param revid: Revision id of revision to display.
 
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        """
 
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        self.treeview.set_cursor(self.index[revid])
 
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        self.treeview.grab_focus()
 
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    def get_children(self):
 
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        """Return the children of the currently selected revision.
 
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        :return: list of revision ids.
 
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        """
 
78
        return self.children
 
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    def get_parents(self):
 
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        """Return the parents of the currently selected revision.
 
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        :return: list of revision ids.
 
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        """
 
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        return self.parents
 
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    def back(self):
 
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        """Signal handler for the Back button."""
 
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        (path, col) = self.treeview.get_cursor()
 
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        revision = self.model[path][treemodel.REVISION]
 
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        parents = self.model[path][treemodel.PARENTS]
 
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        if not len(parents):
 
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            return
 
94
 
 
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        for parent_id in parents:
 
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            parent_index = self.index[parent_id]
 
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            parent = self.model[parent_index][treemodel.REVISION]
 
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            if same_branch(revision, parent):
 
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                self.treeview.set_cursor(parent_index)
 
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                break
 
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        else:
 
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            self.treeview.set_cursor(self.index[parents[0]])
 
103
        self.treeview.grab_focus()
 
104
 
 
105
    def forward(self):
 
106
        """Signal handler for the Forward button."""
 
107
        (path, col) = self.treeview.get_cursor()
 
108
        revision = self.model[path][treemodel.REVISION]
 
109
        children = self.model[path][treemodel.CHILDREN]
 
110
        if not len(children):
 
111
            return
 
112
 
 
113
        for child_id in children:
 
114
            child_index = self.index[child_id]
 
115
            child = self.model[child_index][treemodel.REVISION]
 
116
            if same_branch(child, revision):
 
117
                self.treeview.set_cursor(child_index)
 
118
                break
 
119
        else:
 
120
            self.treeview.set_cursor(self.index[children[0]])
 
121
        self.treeview.grab_focus()
 
122
 
 
123
    def populate(self, start, maxnum, broken_line_length=None):
 
124
        """Fill the treeview with contents.
 
125
 
 
126
        :param start: Revision id of revision to start with.
 
127
        :param maxnum: Maximum number of revisions to display, or None 
 
128
                       for no limit.
 
129
        :param broken_line_length: After how much lines branches \
 
130
                       should be broken.
 
131
        """
 
132
        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
 
133
                                                        start,
 
134
                                                        maxnum, 
 
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                                                        broken_line_length)
 
136
 
 
137
        self.model = TreeModel(self.branch.repository, linegraphdata)
 
138
        self.graph_cell.columns_len = columns_len
 
139
        width = self.graph_cell.get_size(self.treeview)[2]
 
140
        if width > 500:
 
141
            width = 500
 
142
        self.graph_column.set_fixed_width(width)
 
143
        self.graph_column.set_max_width(width)
 
144
        self.index = index
 
145
        self.treeview.set_model(self.model)
 
146
        self.treeview.set_cursor(0)
 
147
        self.emit('revisions-loaded')
 
148
 
 
149
        return False
 
150
 
 
151
    def show_diff(self, branch, revid, parentid):
 
152
        """Open a new window to show a diff between the given revisions."""
 
153
        from bzrlib.plugins.gtk.diff import DiffWindow
 
154
        window = DiffWindow(parent=self)
 
155
        (parent_tree, rev_tree) = branch.repository.revision_trees([parentid, 
 
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                                                                   revid])
 
157
        description = revid + " - " + branch.nick
 
158
        window.set_diff(description, rev_tree, parent_tree)
 
159
        window.show()
 
160
 
 
161
    def construct_treeview(self):
 
162
        self.treeview = gtk.TreeView()
 
163
 
 
164
        self.treeview.set_rules_hint(True)
 
165
        self.treeview.set_search_column(treemodel.REVNO)
 
166
        
 
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        # Fix old PyGTK bug - by JAM
 
168
        set_tooltip = getattr(self.treeview, 'set_tooltip_column', None)
 
169
        if set_tooltip is not None:
 
170
            set_tooltip(treemodel.MESSAGE)
 
171
 
 
172
        self.treeview.get_selection().connect("changed",
 
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                self._on_selection_changed)
 
174
 
 
175
        self.treeview.connect("row-activated", 
 
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                self._on_revision_activated)
 
177
 
 
178
        self.treeview.connect("button-release-event", 
 
179
                self._on_revision_selected)
 
180
 
 
181
        self.treeview.set_property('fixed-height-mode', True)
 
182
 
 
183
        self.add(self.treeview)
 
184
        self.treeview.show()
 
185
 
 
186
        cell = gtk.CellRendererText()
 
187
        cell.set_property("width-chars", 15)
 
188
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
189
        column = gtk.TreeViewColumn("Revision No")
 
190
        column.set_resizable(True)
 
191
        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
192
        column.set_fixed_width(cell.get_size(self.treeview)[2])
 
193
        column.pack_start(cell, expand=True)
 
194
        column.add_attribute(cell, "text", treemodel.REVNO)
 
195
        self.treeview.append_column(column)
 
196
 
 
197
        self.graph_cell = CellRendererGraph()
 
198
        self.graph_column = gtk.TreeViewColumn()
 
199
        self.graph_column.set_resizable(True)
 
200
        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
201
        self.graph_column.pack_start(self.graph_cell, expand=False)
 
202
        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
 
203
        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
 
204
        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
 
205
        self.treeview.append_column(self.graph_column)
 
206
 
 
207
        cell = gtk.CellRendererText()
 
208
        cell.set_property("width-chars", 65)
 
209
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
210
        column = gtk.TreeViewColumn("Message")
 
211
        column.set_resizable(True)
 
212
        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
213
        column.set_fixed_width(cell.get_size(self.treeview)[2])
 
214
        column.pack_start(cell, expand=True)
 
215
        column.add_attribute(cell, "text", treemodel.MESSAGE)
 
216
        self.treeview.append_column(column)
 
217
 
 
218
        cell = gtk.CellRendererText()
 
219
        cell.set_property("width-chars", 15)
 
220
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
 
221
        column = gtk.TreeViewColumn("Committer")
 
222
        column.set_resizable(True)
 
223
        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
 
224
        column.set_fixed_width(cell.get_size(self.treeview)[2])
 
225
        column.pack_start(cell, expand=True)
 
226
        column.add_attribute(cell, "text", treemodel.COMMITER)
 
227
        self.treeview.append_column(column)
 
228
 
 
229
    def _on_selection_changed(self, selection, *args):
 
230
        """callback for when the treeview changes."""
 
231
        (model, selected_rows) = selection.get_selected_rows()
 
232
        if len(selected_rows) > 0:
 
233
            iter = self.model.get_iter(selected_rows[0])
 
234
            self.revision = self.model.get_value(iter, treemodel.REVISION)
 
235
            self.parents = self.model.get_value(iter, treemodel.PARENTS)
 
236
            self.children = self.model.get_value(iter, treemodel.CHILDREN)
 
237
 
 
238
            self.emit('revision-selected')
 
239
 
 
240
    def _on_revision_selected(self, widget, event):
 
241
        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
 
242
        if event.button == 3:
 
243
            menu = RevisionPopupMenu(self.branch.repository, 
 
244
                [self.get_revision().revision_id],
 
245
                self.branch)
 
246
            menu.popup(None, None, None, event.button, event.get_time())
 
247
 
 
248
    def _on_revision_activated(self, widget, path, col):
 
249
        # TODO: more than one parent
 
250
        """Callback for when a treeview row gets activated."""
 
251
        revision_id = self.model[path][treemodel.REVID]
 
252
        parents = self.model[path][treemodel.PARENTS]
 
253
        if len(parents) == 0:
 
254
            # Ignore revisions without parent
 
255
            return
 
256
        parent_id = parents[0]
 
257
        self.show_diff(self.branch, revision_id, parent_id)
 
258
        self.treeview.grab_focus()