public class Products {

    public void open() {
        Selenide.open("/");
    }

    public void add(String name) {
        $("#btn-add-product").click();
        new Dialog()
                .setFor("Name:", name)
                .setFor("Path:", name)
                .submit();
        new ConfirmationDialog().confirm();
    }
}

//

public class Dialog {

    private SelenideElement container = $(".ui-dialog");


    public Dialog setFor(String label, String value) {
        new DialogInput(this.container, label).setValue(value);
        return this;
    }

    public void submit() {
        this.container.find("[id^=dialog-btn]").click();
    }
}

//

public class DialogInput {

    private final SelenideElement parent;
    private final String label;

    public DialogInput(SelenideElement parent, String label) {
        this.parent = parent;
        this.label = label;
    }

    private SelenideElement element() {
        return this.parent.find(withText(label)).parent().find("input");

    }

    public void setValue(String value) {
        element().val(value);
    }
}