Map loaded callback in Openlayers 3
<p>I want to print page with Openlayers 3 map after start up. If I call <code>window.print()</code> after init map, there was empty page because map didn`t rendered yet. So I need a callback after map loaded.</p>

<p><a href="http://jsfiddle.net/crazzzy/f6kjdsjz/" rel="nofollow">http://jsfiddle.net/crazzzy/f6kjdsjz/</a></p>