@Named
@ViewScoped
public class AnotherDynaFormController implements Serializable {

    @Serial
    private static final long serialVersionUID = 20120423L;

    private DynaFormModel modelOne;

    private DynaFormModel modelTwo;

    private boolean showModelOne = true;

    public DynaFormModel getModel() {
        return showModelOne ? getModelOne() : getModelTwo();
    }

    public DynaFormModel getModelOne() {
        if (modelOne != null) {
            return modelOne;
        }

        modelOne = new DynaFormModel();

        // add rows, labels and editable controls
        // set relationship between label and editable controls to support outputLabel
        // with "for" attribute

        // 1. regular row
        DynaFormRow row = modelOne.createRegularRow();

        final DynaFormLabel label11 = row.addLabel("Short Name", 1, 1);
        final DynaFormLabel label12 = row.addLabel("Street", 2, 1);

        // 2. regular row
        row = modelOne.createRegularRow();

        final DynaFormControl control21 = row.addControl(new FormField(true), "name", 1, 1);
        final DynaFormControl control22 = row.addControl(new FormField(false), "address", 2, 1);

        label11.setForControl(control21);
        label12.setForControl(control22);

        // 3. regular row
        row = modelOne.createRegularRow();

        final DynaFormLabel label31 = row.addLabel("Long Name", 1, 1);
        final DynaFormLabel label32 = row.addLabel("Zip code, city", 2, 1);

        // 4. regular row
        row = modelOne.createRegularRow();

        final DynaFormControl control41 = row.addControl(new FormField(true), "name", 1, 1);
        final DynaFormControl control42 = row.addControl(new FormField(false), "address", 2, 1);

        label31.setForControl(control41);
        label32.setForControl(control42);

        // 5. regular row
        row = modelOne.createRegularRow();

        row.addControl("Make choice", "separator", 3, 1);

        // 6. regular row
        row = modelOne.createRegularRow();

        row.addControl("PrimeFaces fan?", 1, 1);
        row.addControl("Married?", 1, 1);
        row.addControl("Children", 1, 1);

        // 7. regular row
        row = modelOne.createRegularRow();

        final List<SelectItem> pffan = new ArrayList<SelectItem>();
        pffan.add(new SelectItem("Sure", "Sure"));
        pffan.add(new SelectItem("Don't know", "Don't know"));
        row.addControl(new FormField("Sure", false, pffan), "radiochoice", 1, 1);

        row.addControl(new FormField(false, false), "booleanchoice", 1, 1);

        final List<SelectItem> children = new ArrayList<SelectItem>();
        children.add(new SelectItem("No", "No"));
        children.add(new SelectItem("1", "1"));
        children.add(new SelectItem("2", "2"));
        children.add(new SelectItem("More", "More"));
        row.addControl(new FormField("No", false, children), "radiochoice", 1, 1);

        // 1. extended row
        row = modelOne.createExtendedRow();

        row.addControl("Notes", 3, 1);

        // 2. extended row
        row = modelOne.createExtendedRow();

        row.addControl(new FormField("Hallo DynaForm!", false), "editor", 3, 1);

        return modelOne;
    }

    public DynaFormModel getModelTwo() {
        if (modelTwo != null) {
            return modelTwo;
        }

        modelTwo = new DynaFormModel();

        // add rows, labels and editable controls
        // set relationship between label and editable controls to support outputLabel
        // with "for" attribute

        // 1. regular row
        DynaFormRow row = modelTwo.createRegularRow();

        row.addControl("Audio Analog Output Volume", "separator", 3, 1);

        // 2. regular row
        row = modelTwo.createRegularRow();

        row.addControl("Port 1", 1, 1);
        row.addControl("Port 2", 1, 1);
        row.addControl("Port 3", 1, 1);

        // 3. regular row
        row = modelTwo.createRegularRow();

        row.addControl(new FormField(60, false), "audioslider", 1, 1);
        row.addControl(new FormField(0, false), "audioslider", 1, 1);
        row.addControl(new FormField(0, false), "audioslider", 1, 1);

        // 4. regular row
        row = modelTwo.createRegularRow();

        row.addControl("Audio Digital Output Volume", "separator", 3, 1);

        // 5. regular row
        row = modelTwo.createRegularRow();

        row.addControl("Port 4", 1, 1);
        row.addControl("Port 5", 1, 1);
        row.addControl("Port 6", 1, 1);

        // 6. regular row
        row = modelTwo.createRegularRow();

        row.addControl(new FormField(10, false), "audioslider", 1, 1);
        row.addControl(new FormField(50, false), "audioslider", 1, 1);
        row.addControl(new FormField(50, false), "audioslider", 1, 1);

        // 7. regular row
        row = modelTwo.createRegularRow();

        row.addControl("HDMI Output Volume", "separator", 3, 1);

        // 8. regular row
        row = modelTwo.createRegularRow();

        row.addControl("Port 1", 1, 1);
        row.addControl("Port 2", 1, 1);
        row.addControl("Port 3", 1, 1);

        // 9. regular row
        row = modelTwo.createRegularRow();

        row.addControl(new FormField(20, false), "audioslider", 1, 1);
        row.addControl(new FormField(80, false), "audioslider", 1, 1);
        row.addControl(new FormField(40, false), "audioslider", 1, 1);

        return modelTwo;
    }

    public String switchModel() {
        showModelOne = !showModelOne;

        // reset models (simulate new loading)
        if (showModelOne) {
            modelOne = null;
        }
        else {
            modelTwo = null;
        }

        return null;
    }

    public List<String> complete(final String query) {
        final List<String> results = new ArrayList<String>();

        char letter;
        for (letter = 'a'; letter <= 'm'; letter++) {
            results.add(query + letter);
        }

        return results;
    }

    public String getFormFields() {
        final DynaFormModel model = showModelOne ? getModelOne() : getModelTwo();

        if (model == null) {
            return null;
        }

        final StringBuilder sb = new StringBuilder();
        for (final DynaFormControl dynaFormControl : model.getControls()) {
            if (dynaFormControl.getData() instanceof FormField) {
                final FormField ff = (FormField) dynaFormControl.getData();
                if (ff.getValue() != null && StringUtils.isNotBlank(ff.getValue().toString())) {
                    sb.append(ff.getValue());
                    sb.append("<br/>");
                }
            }
        }

        return sb.toString();
    }

    public String submitForm() {
        final FacesMessage.Severity sev = FacesContext.getCurrentInstance().getMaximumSeverity();
        final boolean hasErrors = sev != null && FacesMessage.SEVERITY_ERROR.compareTo(sev) >= 0;

        PrimeFaces.current().ajax().addCallbackParam("isValid", !hasErrors);

        return null;
    }
}
            

public class FormField implements Serializable {

    @Serial
    private static final long serialVersionUID = 20120521L;

    private Object value;
    private boolean required;
    private List<SelectItem> selectItems;

    public FormField(Object value) {
        this.value = value;
    }

    public FormField(boolean required) {
        this.required = required;
    }

    public FormField(Object value, boolean required) {
        this.value = value;
        this.required = required;
    }

    public FormField(Object value, boolean required, List<SelectItem> selectItems) {
        this.value = value;
        this.required = required;
        this.selectItems = selectItems;
    }

    public Object getValue() {
        return value;
    }

    public void setValue(Object value) {
        this.value = value;
    }

    public boolean isRequired() {
        return required;
    }

    public void setRequired(boolean required) {
        this.required = required;
    }

    public List<SelectItem> getSelectItems() {
        return selectItems;
    }
}