TriStateCheckbox

package org.primefaces.showcase.view.input;

import java.io.Serializable;

import jakarta.annotation.PostConstruct;
import jakarta.faces.application.FacesMessage;
import jakarta.faces.context.FacesContext;
import jakarta.faces.view.ViewScoped;
import jakarta.inject.Named;

@Named("triStateCheckboxView")
@ViewScoped
public class TriStateCheckboxView implements Serializable {

    private Boolean value1;
    private Boolean value2;
    private Boolean value3;

    @PostConstruct
    public void init() {
        value1 = Boolean.FALSE;
        value2 = Boolean.TRUE;
    }

    public Boolean getValue1() {
        return value1;
    }

    public void setValue1(Boolean value1) {
        this.value1 = value1;
    }

    public Boolean getValue2() {
        return value2;
    }

    public void setValue2(Boolean value2) {
        this.value2 = value2;
    }

    public Boolean getValue3() {
        return value3;
    }

    public void setValue3(Boolean value3) {
        this.value3 = value3;
    }

    public void addMessage() {
        FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO,
                "State has been changed", "State is = " + value2);
        FacesContext.getCurrentInstance().addMessage(null, msg);
    }
}