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# -*- coding: UTF-8 -*-
"""Revision history view.
"""
__copyright__ = "Copyright © 2005 Canonical Ltd."
__author__ = "Daniel Schierbeck <daniel.schierbeck@gmail.com>"
import sys
import string
import gtk
import gobject
import pango
import re
import treemodel
from linegraph import linegraph, same_branch
from graphcell import CellRendererGraph
from treemodel import TreeModel
class TreeView(gtk.ScrolledWindow):
__gsignals__ = {
'revisions-loaded': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
'revision-selected': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
())
}
def __init__(self, branch, start, maxnum):
"""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.
"""
gtk.ScrolledWindow.__init__(self)
self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
self.set_shadow_type(gtk.SHADOW_IN)
self.construct_treeview()
self.branch = branch
self.branch.lock_read()
gobject.idle_add(self.populate, start, maxnum)
self.revision = None
self.children = None
self.parents = None
self.connect('destroy', lambda w: self.branch.unlock())
def get_revision(self):
"""Return revision id of currently selected revision, or None."""
return self.revision
def set_revision(self, revid):
"""Change the currently selected revision.
:param revid: Revision id of revision to display.
"""
self.treeview.set_cursor(self.index[revid])
self.treeview.grab_focus()
def get_children(self):
"""Return the children of the currently selected revision.
:return: list of revision ids.
"""
return self.children
def get_parents(self):
"""Return the parents of the currently selected revision.
:return: list of revision ids.
"""
return self.parents
def back(self):
"""Signal handler for the Back button."""
(path, col) = self.treeview.get_cursor()
revision = self.model[path][treemodel.REVISION]
parents = self.model[path][treemodel.PARENTS]
if not len(parents):
return
for parent_id in parents:
parent_index = self.index[parent_id]
parent = self.model[parent_index][treemodel.REVISION]
if same_branch(revision, parent):
self.treeview.set_cursor(parent_index)
break
else:
self.treeview.set_cursor(self.index[parents[0]])
self.treeview.grab_focus()
def forward(self):
"""Signal handler for the Forward button."""
(path, col) = self.treeview.get_cursor()
revision = self.model[path][treemodel.REVISION]
children = self.model[path][treemodel.CHILDREN]
if not len(children):
return
for child_id in children:
child_index = self.index[child_id]
child = self.model[child_index][treemodel.REVISION]
if same_branch(child, revision):
self.treeview.set_cursor(child_index)
break
else:
self.treeview.set_cursor(self.index[children[0]])
self.treeview.grab_focus()
def populate(self, start, maxnum):
"""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.
"""
(linegraphdata, index, columns_len) = linegraph(self.branch,
start,
maxnum)
self.model = TreeModel(self.branch, linegraphdata)
self.graph_cell.columns_len = columns_len
width = self.graph_cell.get_size(self.treeview)[2]
self.graph_column.set_fixed_width(width)
self.graph_column.set_max_width(width)
self.index = index
self.treeview.set_model(self.model)
self.treeview.set_cursor(0)
self.emit('revisions-loaded')
return False
def show_diff(self, branch, revid, parentid):
"""Open a new window to show a diff between the given revisions."""
from bzrlib.plugins.gtk.diff import DiffWindow
window = DiffWindow(parent=self)
(parent_tree, rev_tree) = branch.repository.revision_trees([parentid,
revid])
description = revid + " - " + branch.nick
window.set_diff(description, rev_tree, parent_tree)
window.show()
def construct_treeview(self):
self.treeview = gtk.TreeView()
self.treeview.set_rules_hint(True)
self.treeview.set_search_column(4)
self.treeview.get_selection().connect("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.add(self.treeview)
self.treeview.show()
cell = gtk.CellRendererText()
cell.set_property("width-chars", 15)
cell.set_property("ellipsize", pango.ELLIPSIZE_END)
column = gtk.TreeViewColumn("Revision No")
column.set_resizable(True)
column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
column.set_fixed_width(cell.get_size(self.treeview)[2])
column.pack_start(cell, expand=True)
column.add_attribute(cell, "text", treemodel.REVNO)
self.treeview.append_column(column)
self.graph_cell = CellRendererGraph()
self.graph_column = gtk.TreeViewColumn()
self.graph_column.set_resizable(True)
self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
self.graph_column.pack_start(self.graph_cell, expand=False)
self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
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.ELLIPSIZE_END)
column = gtk.TreeViewColumn("Message")
column.set_resizable(True)
column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
column.set_fixed_width(cell.get_size(self.treeview)[2])
column.pack_start(cell, expand=True)
column.add_attribute(cell, "text", treemodel.MESSAGE)
self.treeview.append_column(column)
cell = gtk.CellRendererText()
cell.set_property("width-chars", 15)
cell.set_property("ellipsize", pango.ELLIPSIZE_END)
column = gtk.TreeViewColumn("Committer")
column.set_resizable(True)
column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
column.set_fixed_width(cell.get_size(self.treeview)[2])
column.pack_start(cell, expand=True)
column.add_attribute(cell, "text", treemodel.COMMITER)
self.treeview.append_column(column)
def _on_selection_changed(self, selection, *args):
"""callback for when the treeview changes."""
(model, selected_rows) = selection.get_selected_rows()
if len(selected_rows) > 0:
iter = self.model.get_iter(selected_rows[0])
self.revision = self.model.get_value(iter, treemodel.REVISION)
self.parents = self.model.get_value(iter, treemodel.PARENTS)
self.children = self.model.get_value(iter, treemodel.CHILDREN)
self.emit('revision-selected')
def _on_revision_selected(self, widget, event):
from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
if event.button == 3:
menu = RevisionPopupMenu(self.branch.repository,
[self.get_revision().revision_id],
self.branch)
menu.popup(None, None, None, event.button, event.get_time())
def _on_revision_activated(self, widget, path, col):
# TODO: more than one parent
"""Callback for when a treeview row gets activated."""
revision_id = self.model[path][treemodel.REVID]
parents = self.model[path][treemodel.PARENTS]
if len(parents) == 0:
# Ignore revisions without parent
return
parent_id = parents[0]
self.show_diff(self.branch, revision_id, parent_id)
self.treeview.grab_focus()
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