WHAT THE HELL IS GOING ON :-(

gistfile1.txt

CKEDITOR.on('dialogDefinition', function(ev) {
    if (ev.data.name == "link") {
        var info = dialog.getContents("info");
        info.elements.push({
            type: "vbox",
            id: "urlOptions",
            children: [{
                type: "hbox",
                children: [{
                    id: "button",
                    type: "checkbox",
                    label: "Button",
                    commit: function(data) {
                        data.button = this.getValue()
                        console.log("commit", data.button, data);
                    },
                    setup: function(data) {
                        this.setValue(data.button);
                        console.log("setup", data.button, data);
                    }
                }]
            }]
        });
    }
});