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# treemodel.py - changelog viewer data model
#
# Copyright 2008 Steve Borho <steve@borho.org>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2, incorporated herein by reference.
''' Mercurial revision DAG visualization library
Implements a gtk.TreeModel which visualizes a Mercurial repository
revision history.
Portions of this code stolen mercilessly from bzr-gtk visualization
dialog. Other portions stolen from graphlog extension.
'''
import gtk
import gobject
from mercurial import util, templatefilters
from tortoisehg.util import hglib
from tortoisehg.hgtk import gtklib
# treemodel row enumerated attributes
LINES = 0 # These elements come from the changelog walker
GRAPHNODE = 1
REVID = 2
LAST_LINES = 3
BRANCH = 4 # calculated on demand, not cached
HEXID = 5
LOCALTIME = 6
UTC = 7
MESSAGE = 8 # calculated on demand, cached
COMMITER = 9
TAGS = 10
FGCOLOR = 11
AGE = 12
class TreeModel(gtk.GenericTreeModel):
def __init__ (self, repo, graphdata, color_func):
gtk.GenericTreeModel.__init__(self)
self.repo = repo
self.revisions = {}
self.graphdata = graphdata
self.color_func = color_func
self.parents = [x.rev() for x in repo.parents()]
self.tagrevs = [repo[r].rev() for t, r in repo.tagslist()]
self.branchtags = repo.branchtags()
def refresh(self):
repo = self.repo
oldtags, oldparents = self.tagrevs, self.parents
oldbranches = [repo[n].rev() for n in self.branchtags.values()]
repo.invalidate()
repo.dirstate.invalidate()
self.parents = [x.rev() for x in repo.parents()]
self.tagrevs = [repo[r].rev() for t, r in repo.tagslist()]
self.branchtags = repo.branchtags()
brevs = [repo[n].rev() for n in self.branchtags.values()]
allrevs = set(oldtags + oldparents + oldbranches +
brevs + self.parents + self.tagrevs)
for rev in allrevs:
if rev in self.revisions:
del self.revisions[rev]
def on_get_flags(self):
return gtk.TREE_MODEL_LIST_ONLY
def on_get_n_columns(self):
return 13
def on_get_column_type(self, index):
if index == GRAPHNODE: return gobject.TYPE_PYOBJECT
if index == LINES: return gobject.TYPE_PYOBJECT
if index == REVID: return int
if index == LAST_LINES: return gobject.TYPE_PYOBJECT
if index == BRANCH: return str
if index == HEXID: return str
if index == LOCALTIME: return str
if index == UTC: return str
if index == MESSAGE: return str
if index == COMMITER: return str
if index == TAGS: return str
if index == FGCOLOR: return str
if index == AGE: return str
def on_get_iter(self, path):
return path[0]
def on_get_path(self, rowref):
return rowref
def on_get_value(self, rowref, column):
(revid, graphnode, lines, parents) = self.graphdata[rowref]
if column == REVID: return revid
if column == GRAPHNODE: return graphnode
if column == LINES: return lines
if column == LAST_LINES:
if rowref>0:
return self.graphdata[rowref-1][2]
return []
if column in (HEXID, BRANCH, LOCALTIME, UTC):
try:
ctx = self.repo[revid]
except IndexError:
return None
if column == HEXID:
return str(ctx)
if column == BRANCH:
return ctx.branch()
if column == LOCALTIME:
return hglib.displaytime(ctx.date())
if column == UTC:
return hglib.utctime(ctx.date())
if revid not in self.revisions:
try:
ctx = self.repo[revid]
except IndexError:
return None
# convert to Unicode for valid string operations
summary = hglib.tounicode(ctx.description()).replace(u'\0', '')
if self.repo.ui.configbool('tortoisehg', 'longsummary'):
limit = 80
lines = summary.splitlines()
summary = lines.pop(0)
while len(summary) < limit and lines:
summary += u' ' + lines.pop(0)
summary = summary[0:limit]
else:
summary = summary.splitlines()[0]
summary = gtklib.markup_escape_text(hglib.toutf(summary))
node = ctx.node()
tags = self.repo.nodetags(node)
taglist = hglib.toutf(', '.join(tags))
tstr = ''
for tag in tags:
tstr += '<span color="%s" background="%s"> %s </span> ' % \
('black', '#ffffaa', tag)
branch = ctx.branch()
bstr = ''
if self.branchtags.get(branch) == node:
bstr += '<span color="%s" background="%s"> %s </span> ' % \
('black', '#aaffaa', branch)
author = templatefilters.person(ctx.user())
if not author:
author = util.shortuser(ctx.user())
author = hglib.toutf(author)
age = templatefilters.age(ctx.date())
color = self.color_func(parents, revid, author)
if revid in self.parents:
sumstr = bstr + tstr + '<b><u>' + summary + '</u></b>'
else:
sumstr = bstr + tstr + summary
revision = (sumstr, author, taglist, color, age)
self.revisions[revid] = revision
else:
revision = self.revisions[revid]
return revision[column-MESSAGE]
def on_iter_next(self, rowref):
if rowref < len(self.graphdata) - 1:
return rowref+1
return None
def on_iter_children(self, parent):
if parent is None: return 0
return None
def on_iter_has_child(self, rowref):
return False
def on_iter_n_children(self, rowref):
if rowref is None: return len(self.graphdata)
return 0
def on_iter_nth_child(self, parent, n):
if parent is None: return n
return None
def on_iter_parent(self, child):
return None
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