tnt.board/src/track.js

TnT track-based board display

var apijs = require ("tnt.api");
var iterator = require("tnt.utils").iterator;


var track = function () {
    "use strict";

    var display;

    var conf = {
    	color : d3.rgb('#CCCCCC'),
    	height           : 250,
    	// data is the object (normally a tnt.track.data object) used to retrieve and update data for the track
    	data             : track.data.empty(),
        // display          : undefined,
        label            : "",
        id               : track.id()
    };

    // The returned object / closure
    var t = {};

    // API
    var api = apijs (t)
    	.getset (conf);

    // TODO: This means that height should be defined before display
    // we shouldn't rely on this
    t.display = function (new_plotter) {
        if (!arguments.length) {
            return display;
        }

        display = new_plotter;
        if (typeof (display) === 'function') {
            display.layout && display.layout().height(conf.height);
        } else {
            for (var key in display) {
                if (display.hasOwnProperty(key)) {
                    display[key].layout && display[key].layout().height(conf.height);
                }
            }
        }

        return this;
    };

    return t;
};

track.id = iterator(1);

module.exports = exports = track;