Step3Controller.java

package com.bekwam.examples.javafx.wizard;

import com.google.inject.Inject;
import javafx.fxml.FXML;
import javafx.scene.control.Alert;
import javafx.scene.control.TextField;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Step3Controller {

    private Logger log = LoggerFactory.getLogger(Step3Controller.class);

    @FXML
    TextField tfField5, tfField6, tfField7;

    @Inject
    WizardData model;

    @FXML
    public void initialize() {
        tfField5.textProperty().bindBidirectional(model.field5Property());
        tfField6.textProperty().bindBidirectional(model.field6Property());
        tfField7.textProperty().bindBidirectional(model.field7Property());
    }

    @Validate
    public boolean validate() throws Exception {
        if( tfField5.getText() == null || tfField5.getText().isEmpty() ) {
            Alert alert = new Alert(Alert.AlertType.ERROR);
            alert.setTitle("Step 3");
            alert.setHeaderText( "Missing Field" );
            alert.setContentText( "Field 5 is required." );
            alert.showAndWait();
            return false;
        }

        if( tfField6.getText() == null || tfField6.getText().isEmpty() ) {
            Alert alert = new Alert(Alert.AlertType.ERROR);
            alert.setTitle("Step 3");
            alert.setHeaderText( "Missing Field" );
            alert.setContentText( "Field 6 is required." );
            alert.showAndWait();
            return false;
        }

        if( tfField7.getText() == null || tfField7.getText().isEmpty() ) {
            Alert alert = new Alert(Alert.AlertType.ERROR);
            alert.setTitle("Step 3");
            alert.setHeaderText( "Missing Field" );
            alert.setContentText( "Field 7 is required." );
            alert.showAndWait();
            return false;
        }
        return true;
    }

    @Submit
    public void submit() throws Exception {
        if( log.isDebugEnabled() ) {
            log.debug("[SUBMIT] the user has completed step 1");
        }
    }
}