Constellations/js/Toolbox.js

import * as Dom from UnitJS.Dom;
import Constellation;

var toolbox;
var tool;
var colors;

return {
	init: init,
	get: get,
	color: color,
	tool: tool
};

function init(size, elementId) {
	toolbox = document.getElementById(elementId || 'toolbox');
	colors = toolbox.querySelector('#colors');
	for(var i = 0; i < size; i++) {
		colors.appendChild(Dom.make('option', {class: 'color' + i}));
	}
	colors.addEventListener('change', function() {
		colors.className = color();
	});
	tool = toolbox.querySelector('#tool');
	toolbox.querySelector('#scatter').addEventListener('click', function() {
		var constellation = Constellation.random(size);
		for(var i = 0; i < size; i++) {
			console.log(constellation[i].map(function(x) {return x ? '*' : ' ';}).join('|'));
		}
	});
}

function get() {
	return toolbox;
}

function tool() {
	return tool.value;
}

function color() {
	return colors.selectedIndex;
}