/usr/share/pyshared/bzrlib/plugins/gtk/branchview/treeview.py is in bzr-gtk 0.103.0+bzr792-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""Revision history view.
"""
__copyright__ = "Copyright © 2005 Canonical Ltd."
__author__ = "Daniel Schierbeck <daniel.schierbeck@gmail.com>"
from gi.repository import Gtk
from gi.repository import GObject
from gi.repository import Pango
from bzrlib import ui
from bzrlib.revision import NULL_REVISION
from bzrlib.plugins.gtk import lock
from bzrlib.plugins.gtk.ui import ProgressPanel
from bzrlib.plugins.gtk.branchview import treemodel
from bzrlib.plugins.gtk.branchview.linegraph import linegraph, same_branch
from bzrlib.plugins.gtk.branchview.graphcell import CellRendererGraph
class TreeView(Gtk.VBox):
__gproperties__ = {
'branch': (GObject.TYPE_PYOBJECT,
'Branch',
'The Bazaar branch being visualized',
GObject.PARAM_CONSTRUCT_ONLY | GObject.PARAM_WRITABLE),
'revision': (GObject.TYPE_PYOBJECT,
'Revision',
'The currently selected revision',
GObject.PARAM_READWRITE),
'revision-number': (GObject.TYPE_STRING,
'Revision number',
'The number of the selected revision',
'',
GObject.PARAM_READABLE),
'children': (GObject.TYPE_PYOBJECT,
'Child revisions',
'Children of the currently selected revision',
GObject.PARAM_READABLE),
'parents': (GObject.TYPE_PYOBJECT,
'Parent revisions',
'Parents to the currently selected revision',
GObject.PARAM_READABLE),
'revno-column-visible': (GObject.TYPE_BOOLEAN,
'Revision number column',
'Show revision number column',
True,
GObject.PARAM_READWRITE),
'graph-column-visible': (GObject.TYPE_BOOLEAN,
'Graph column',
'Show graph column',
True,
GObject.PARAM_READWRITE),
'date-column-visible': (GObject.TYPE_BOOLEAN,
'Date',
'Show date column',
False,
GObject.PARAM_READWRITE),
'compact': (GObject.TYPE_BOOLEAN,
'Compact view',
'Break ancestry lines to save space',
True,
GObject.PARAM_CONSTRUCT | GObject.PARAM_READWRITE),
'mainline-only': (GObject.TYPE_BOOLEAN,
'Mainline only',
'Only show the mainline history.',
False,
GObject.PARAM_CONSTRUCT | GObject.PARAM_READWRITE),
}
__gsignals__ = {
'revision-selected': (GObject.SignalFlags.RUN_FIRST,
None,
()),
'revision-activated': (GObject.SignalFlags.RUN_FIRST,
None,
(GObject.TYPE_PYOBJECT, GObject.TYPE_PYOBJECT)),
'tag-added': (GObject.SignalFlags.RUN_FIRST,
None,
(GObject.TYPE_STRING, GObject.TYPE_STRING)),
'refreshed': (GObject.SignalFlags.RUN_FIRST, None,
())
}
def __init__(self, branch, start, maxnum, compact=True):
"""Create a new TreeView.
:param branch: Branch object for branch to show.
:param start: Revision id of top revision.
:param maxnum: Maximum number of revisions to display,
None for no limit.
:param broken_line_length: After how much lines to break
branches.
"""
super(TreeView, self).__init__(homogeneous=False, spacing=0)
self.progress_widget = ProgressPanel()
self.pack_start(self.progress_widget, False, True, 0)
if getattr(ui.ui_factory, "set_progress_bar_widget", None) is not None:
# We'are using our own ui, let's tell it to use our widget.
ui.ui_factory.set_progress_bar_widget(self.progress_widget)
self.scrolled_window = Gtk.ScrolledWindow()
self.scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
self.scrolled_window.set_shadow_type(Gtk.ShadowType.IN)
self.scrolled_window.show()
self.pack_start(self.scrolled_window, True, True, 0)
self.scrolled_window.add(self.construct_treeview())
self.path = None
self.branch = branch
self.revision = None
self.index = {}
self.start = start
self.maxnum = maxnum
self.compact = compact
self.model = treemodel.BranchTreeModel(self.branch, [])
GObject.idle_add(self.populate)
self.connect("destroy", self._on_destroy)
def _on_destroy(self, *ignored):
self.branch.unlock()
if getattr(ui.ui_factory, "set_progress_bar_widget", None) is not None:
# We'are using our own ui, let's tell it to stop using our widget.
ui.ui_factory.set_progress_bar_widget(None)
def do_get_property(self, property):
if property.name == 'revno-column-visible':
return self.revno_column.get_visible()
elif property.name == 'graph-column-visible':
return self.graph_column.get_visible()
elif property.name == 'date-column-visible':
return self.date_column.get_visible()
elif property.name == 'compact':
return self.compact
elif property.name == 'mainline-only':
return self.mainline_only
elif property.name == 'branch':
return self.branch
elif property.name == 'revision':
if self.path is None:
return None
return self.model.get_value(self.model.get_iter(self.path),
treemodel.REVISION)
elif property.name == 'revision-number':
if self.path is None:
return None
return self.model.get_value(self.model.get_iter(self.path),
treemodel.REVNO)
elif property.name == 'children':
if self.path is None:
return None
return self.model.get_value(self.model.get_iter(self.path),
treemodel.CHILDREN)
elif property.name == 'parents':
if self.path is None:
return None
return self.model.get_value(self.model.get_iter(self.path),
treemodel.PARENTS)
else:
raise AttributeError, 'unknown property %s' % property.name
def do_set_property(self, property, value):
if property.name == 'revno-column-visible':
self.revno_column.set_visible(value)
elif property.name == 'graph-column-visible':
self.graph_column.set_visible(value)
elif property.name == 'date-column-visible':
self.date_column.set_visible(value)
elif property.name == 'compact':
self.compact = value
elif property.name == 'mainline-only':
self.mainline_only = value
elif property.name == 'branch':
self.branch = value
elif property.name == 'revision':
self.set_revision_id(value.revision_id)
else:
raise AttributeError, 'unknown property %s' % property.name
def get_revision(self):
"""Return revision id of currently selected revision, or None."""
return self.get_property('revision')
def has_revision_id(self, revision_id):
return (revision_id in self.index)
def set_revision(self, revision):
self.set_property('revision', revision)
def set_revision_id(self, revid):
"""Change the currently selected revision.
:param revid: Revision id of revision to display.
"""
self.treeview.set_cursor(
Gtk.TreePath(path=self.index[revid]), None, False)
self.treeview.grab_focus()
def get_children(self):
"""Return the children of the currently selected revision.
:return: list of revision ids.
"""
return self.get_property('children')
def get_parents(self):
"""Return the parents of the currently selected revision.
:return: list of revision ids.
"""
return self.get_property('parents')
def add_tag(self, tag, revid=None):
if revid is None: revid = self.revision.revision_id
if lock.release(self.branch):
try:
lock.acquire(self.branch, lock.WRITE)
self.model.add_tag(tag, revid)
finally:
lock.release(self.branch)
lock.acquire(self.branch, lock.READ)
self.emit('tag-added', tag, revid)
def refresh(self):
GObject.idle_add(self.populate, self.get_revision())
def update(self):
try:
self.branch.unlock()
try:
self.branch.lock_write()
self.branch.update()
finally:
self.branch.unlock()
finally:
self.branch.lock_read()
def back(self):
"""Signal handler for the Back button."""
parents = self.get_parents()
if not parents:
return
for parent_id in parents:
parent_index = self.index[parent_id]
parent = self.model[parent_index][treemodel.REVISION]
if same_branch(self.get_revision(), parent):
self.set_revision(parent)
break
else:
self.set_revision_id(parents[0])
def forward(self):
"""Signal handler for the Forward button."""
children = self.get_children()
if not children:
return
for child_id in children:
child_index = self.index[child_id]
child = self.model[child_index][treemodel.REVISION]
if same_branch(child, self.get_revision()):
self.set_revision(child)
break
else:
self.set_revision_id(children[0])
def populate(self, revision=None):
"""Fill the treeview with contents.
:param start: Revision id of revision to start with.
:param maxnum: Maximum number of revisions to display, or None
for no limit.
:param broken_line_length: After how much lines branches \
should be broken.
"""
if getattr(ui.ui_factory, "set_progress_bar_widget", None) is not None:
# We'are using our own ui, let's tell it to use our widget.
ui.ui_factory.set_progress_bar_widget(self.progress_widget)
self.progress_bar = ui.ui_factory.nested_progress_bar()
self.progress_bar.update("Loading ancestry graph", 0, 5)
try:
if self.compact:
broken_line_length = 32
else:
broken_line_length = None
show_graph = self.graph_column.get_visible()
self.branch.lock_read()
(linegraphdata, index, columns_len) = linegraph(
self.branch.repository.get_graph(),
self.start,
self.maxnum,
broken_line_length,
show_graph,
self.mainline_only,
self.progress_bar)
self.model.set_line_graph_data(linegraphdata)
self.graph_cell.columns_len = columns_len
width = self.graph_cell.get_preferred_width(self.treeview)[1]
if width > 500:
width = 500
elif width == 0:
# The get_preferred_width() call got an insane value.
width = 200
self.graph_column.set_fixed_width(width)
self.graph_column.set_max_width(width)
self.index = index
self.treeview.set_model(self.model)
if not revision or revision == NULL_REVISION:
self.treeview.set_cursor(Gtk.TreePath(path=0), None, False)
else:
self.set_revision(revision)
self.emit('refreshed')
return False
finally:
self.progress_bar.finished()
def construct_treeview(self):
self.treeview = Gtk.TreeView()
self.treeview.set_rules_hint(True)
# combined revno/summary interactive search
#
# the row in a treemodel is considered "matched" if a REVNO *starts*
# from the key (that is the key is found in a REVNO at the offset 0)
# or if a MESSAGE *contains* the key anywhere (that is, the key is
# found case insensitively in a MESSAGE at any offset)
def search_equal_func(model, column, key, iter, ignored):
return (model.get_value(iter, treemodel.REVNO).find(key) != 0
and model.get_value(iter, treemodel.MESSAGE).lower().find(key.lower()) == -1)
self.treeview.set_search_equal_func(search_equal_func, None)
self.treeview.set_enable_search(True)
self.treeview.set_tooltip_column(treemodel.MESSAGE)
self.treeview.set_headers_visible(True)
self._prev_cursor_path = None
self.treeview.connect("cursor-changed",
self._on_selection_changed)
self.treeview.connect("row-activated",
self._on_revision_activated)
self.treeview.connect("button-release-event",
self._on_revision_selected)
self.treeview.set_property('fixed-height-mode', True)
self.treeview.show()
cell = Gtk.CellRendererText()
cell.set_property("width-chars", 15)
cell.set_property("ellipsize", Pango.EllipsizeMode.END)
self.revno_column = Gtk.TreeViewColumn("Revision No")
self.revno_column.set_resizable(True)
self.revno_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
self.revno_column.set_fixed_width(
cell.get_preferred_width(self.treeview)[1])
self.revno_column.pack_start(cell, True)
self.revno_column.add_attribute(cell, "text", treemodel.REVNO)
self.treeview.append_column(self.revno_column)
self.graph_cell = CellRendererGraph()
self.graph_column = Gtk.TreeViewColumn()
self.graph_column.set_resizable(True)
self.graph_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
self.graph_column.pack_start(self.graph_cell, True)
self.graph_column.add_attribute(
self.graph_cell, "node", treemodel.NODE)
self.graph_column.add_attribute(
self.graph_cell, "tags", treemodel.TAGS)
self.graph_column.add_attribute(
self.graph_cell, "in-lines", treemodel.LAST_LINES)
self.graph_column.add_attribute(
self.graph_cell, "out-lines", treemodel.LINES)
self.treeview.append_column(self.graph_column)
cell = Gtk.CellRendererText()
cell.set_property("width-chars", 65)
cell.set_property("ellipsize", Pango.EllipsizeMode.END)
self.summary_column = Gtk.TreeViewColumn("Summary")
self.summary_column.set_resizable(True)
self.summary_column.set_expand(True)
self.summary_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
self.summary_column.set_fixed_width(
cell.get_preferred_width(self.treeview)[1])
self.summary_column.pack_start(cell, True)
self.summary_column.add_attribute(cell, "markup", treemodel.SUMMARY)
self.treeview.append_column(self.summary_column)
cell = Gtk.CellRendererText()
cell.set_property("width-chars", 15)
cell.set_property("ellipsize", Pango.EllipsizeMode.END)
self.authors_column = Gtk.TreeViewColumn("Author(s)")
self.authors_column.set_resizable(False)
self.authors_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
self.authors_column.set_fixed_width(200)
self.authors_column.pack_start(cell, True)
self.authors_column.add_attribute(cell, "text", treemodel.AUTHORS)
self.treeview.append_column(self.authors_column)
cell = Gtk.CellRendererText()
cell.set_property("width-chars", 20)
cell.set_property("ellipsize", Pango.EllipsizeMode.END)
self.date_column = Gtk.TreeViewColumn("Date")
self.date_column.set_visible(False)
self.date_column.set_resizable(True)
self.date_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
self.date_column.set_fixed_width(130)
self.date_column.pack_start(cell, True)
self.date_column.add_attribute(cell, "text", treemodel.TIMESTAMP)
self.treeview.append_column(self.date_column)
return self.treeview
def _on_selection_changed(self, treeview):
"""callback for when the treeview changes."""
(path, focus) = treeview.get_cursor()
if (path is not None) and (path != self._prev_cursor_path):
self._prev_cursor_path = path # avoid emitting twice per click
self.path = path
self.emit('revision-selected')
def _on_revision_selected(self, widget, event):
from bzrlib.plugins.gtk.revisionmenu import RevisionMenu
if event.button == 3:
revs = []
rev = self.get_revision()
if rev is not None:
revs.append(rev.revision_id)
menu = RevisionMenu(self.branch.repository, revs, self.branch)
menu.connect('tag-added', lambda w, t, r: self.add_tag(t, r))
menu.popup(None, None, None, None, event.button, event.get_time())
def _on_revision_activated(self, widget, path, col):
self.emit('revision-activated', path, col)
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