# Set colors for the parents

        color = colors.pop(rev)

        if addparents:

            b = branch(rev)

            for p in reversed(addparents):

                if b and branch(abs(p)) == b:

                    colors[p] = color

                    b = None

                else:

                    colors[p] = newcolor

                    newcolor += 1

        # Add edges to the graph

        edges = []

        for ecol, ep in enumerate(row):

            if ep in nextrow:

                edges.append((ecol, nextrow.index(ep), colors[ep]))

            elif ep == rev:

                for p in dagparents:

                    edges.append((ecol, nextrow.index(p), colors[p]))

        # Yield and move on

        closing = int(repo[rev].closesbranch)

        row = nextrow

    def get_filenodes_generator(self):

        """

        Returns generator that yields *all* file nodes.

        """

        for topnode, dirs, files in self.walk():

            for node in files:

                yield node

    def as_dict(self):

        """

        Returns dictionary with changeset's attributes and their values.

        """

        data = get_dict_for_attrs(self, ['id', 'raw_id', 'short_id',

            'revision', 'date', 'message'])

        data['author'] = {'name': self.author_name, 'email': self.author_email}

        data['added'] = [node.path for node in self.added]

        data['changed'] = [node.path for node in self.changed]

        data['removed'] = [node.path for node in self.removed]

        return data

    @LazyProperty

    def closesbranch(self):

        return False

class BaseWorkdir(object):

    """

    Working directory representation of single repository.

    :attribute: repository: repository object of working directory

    """

    def __init__(self, repository):

        self.repository = repository

    def get_branch(self):

        """

        Returns name of current branch.

        """

        raise NotImplementedError

    def get_changeset(self):

        """

        Returns current changeset.

        """

        raise NotImplementedError

    def get_added(self):

        """

    Represents state of the repository at the single revision.

    """

    def __init__(self, repository, revision):

        self.repository = repository

        assert isinstance(revision, basestring), repr(revision)

        self.raw_id = revision

        self._ctx = repository._repo[revision]

        self.revision = self._ctx._rev

        self.nodes = {}

    @LazyProperty

    def tags(self):

        return map(safe_unicode, self._ctx.tags())

    @LazyProperty

    def branch(self):

        return  safe_unicode(self._ctx.branch())

    @LazyProperty

    def closesbranch(self):

        return  self._ctx.closesbranch()

    @LazyProperty

    def bookmarks(self):

        return map(safe_unicode, self._ctx.bookmarks())

    @LazyProperty

    def message(self):

        return safe_unicode(self._ctx.description())

    @LazyProperty

    def committer(self):

        return safe_unicode(self.author)

    @LazyProperty

    def author(self):

        return safe_unicode(self._ctx.user())

    @LazyProperty

    def date(self):

        return date_fromtimestamp(*self._ctx.date())

    @LazyProperty

    def _timestamp(self):

        return self._ctx.date()[0]

    @LazyProperty

			for (var j in in_l) {

				var m = in_l[j][0];

				if (m > lineCount)

					lineCount = m;

			}

		}

		var edge_pad = this.dot_radius + 2;

		var box_size = Math.min(18, (canvasWidth - edge_pad * 2) / lineCount);

		var base_x = canvasWidth - edge_pad;

		for (var i=0; i < data.length; ++i) {

			var row = document.getElementById(row_id_prefix+idx);

			if (row == null) {

				console.log("error: row "+row_id_prefix+idx+" not found");

				continue;

			}

			var next = document.getElementById(row_id_prefix+(idx+1));

			var extra = 0;

			cur = data[i];

			node = cur[0];

			in_l = cur[1];

			closing = cur[2];

			var rowY = row.offsetTop + row.offsetHeight/2;

			var nextY = (next == null) ? rowY + row.offsetHeight/2 : next.offsetTop + next.offsetHeight/2;

			for (var j in in_l) {

				line = in_l[j];

				start = line[0];

				end = line[1];

				color = line[2];

				x = Math.floor(base_x - box_size * start);

				// figure out if this is a dead-end;

				// we want to fade away this line

				var dead_end = true;

				if (next != null) {

					nextdata = data[i+1];

					next_l = nextdata[1];

					for (var k=0; k < next_l.length; ++k) {

						if (next_l[k][0] == end) {

							dead_end = false;

							break;

						}

					}

				}

				this.ctx.lineWidth=this.line_width;

				this.ctx.beginPath();

				this.ctx.moveTo(x, rowY);

				if (start == end)

				{

					this.ctx.lineTo(x,nextY+extra,3);

				}

				else

				{

					var x2 = Math.floor(base_x - box_size * end);

					var ymid = (rowY+nextY) / 2;

					this.ctx.bezierCurveTo (x,ymid,x2,ymid,x2,nextY);

				}

				this.ctx.stroke();

			}

			column = node[0];

			color = node[1];

			x = Math.floor(base_x - box_size * column);

			this.setColor(color, 0.25, 0.75);

			if (closing)

			{

				this.ctx.fillRect(x - this.close_x, rowY - this.close_y, 2*this.close_x, 2*this.close_y);

			}

			else

			{

				this.ctx.beginPath();

				this.ctx.fill();

			}

			idx++;

		}

	}

}