vaadin-framework/uitest/src/main/java/com/vaadin/tests/elements/abstracttextfield/AbstractTextElementSetValue.java

package com.vaadin.tests.elements.abstracttextfield;

import java.time.LocalDate;

import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.AbstractField;
import com.vaadin.ui.AbstractTextField;
import com.vaadin.ui.DateField;
import com.vaadin.ui.Label;
import com.vaadin.ui.PasswordField;
import com.vaadin.ui.TextArea;
import com.vaadin.ui.TextField;

public class AbstractTextElementSetValue extends AbstractTestUI {

    AbstractTextField[] comps = { new TextField(), new PasswordField(),
            new TextArea() };
    // one extra label for DateField, which we create in a separate method
    Label[] eventCountLabels = new Label[comps.length + 1];
    int[] eventCounters = new int[comps.length + 1];
    public static final String INITIAL_VALUE = "initial value";
    public static final LocalDate INITIAL_DATE = LocalDate.of(2016, 5, 7);

    @Override
    protected void setup(VaadinRequest request) {

        for (int i = 0; i < comps.length; i++) {
            comps[i].setValue(INITIAL_VALUE);
            eventCountLabels[i] = new Label();
            eventCountLabels[i].setCaption("event count");
            // create an valueChangeListener to count events
            addValueChangeListener(comps[i], i);
            addComponent(comps[i]);
            addComponent(eventCountLabels[i]);

        }

        // add one extra label for DateField, which we create in a separate
        // method
        eventCountLabels[comps.length] = new Label();
        DateField df = createDateField();
        addValueChangeListener(df, comps.length);
        addComponent(df);
        eventCountLabels[comps.length].setCaption("event count");
        addComponent(eventCountLabels[comps.length]);

    }

    private void addValueChangeListener(AbstractField<?> field, int index) {
        field.addValueChangeListener(event -> {
            eventCounters[index]++;
            String value = "" + eventCounters[index];
            eventCountLabels[index].setValue(value);
        });
    }

    private DateField createDateField() {
        DateField df = new DateField();
        df.setValue(INITIAL_DATE);
        return df;
    }

    @Override
    protected String getTestDescription() {
        return "Test type method of AbstractTextField components";
    }

    @Override
    protected Integer getTicketNumber() {
        return 13365;
    }

}