{% if globalStyleSets is defined and globalStyleSets is iterable %}
    {% for stylesSetName, stylesSetData in globalStyleSets %}
        CKEDITOR.stylesSet.add('{{ stylesSetName }}', {{ stylesSetData|json_encode|raw }});
    {% endfor %}
{% endif %}

CKEDITOR.on( 'instanceCreated', function( event ) {

    var editor = event.editor;

    //http://ckeditor.com/latest/samples/toolbarconfigurator/index.html#advanced
    editor.on( 'configLoaded', function() {

        editor.config.allowedContent = undefined;

        {% if config is iterable %}
            {% for configName, configData in config %}
                if( editor.config.{{ configName }} === undefined || editor.config.{{ configName }} === '' ) {
                    editor.config.{{ configName }} = {{ configData|json_encode|raw }};
                }
            {% endfor %}
        {% endif %}

    });

});