render() {
		const currentTimestamp = TimelineModel.dateToString(this.props.time);
		const items = TimelineModel.getItemInRange(this.props.track, null, currentTimestamp, '23:59:59,999');

		return (
			<p>{this.props.track.id}: {items.length}</p>
		);
	}
@file PreviewTrack.js
@author Vladan Kudlac <vladankudlac@gmail.com>