package com.vaadin.tests.components.checkbox;
import com.vaadin.data.Validator.InvalidValueException;
import com.vaadin.server.AbstractErrorMessage;
import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.Label;
public class CheckBoxNullValue extends TestBase {
@Override
protected void setup() {
// workaround for #6919
getLayout().setWidth("100%");
final CheckBox checkbox = new CheckBox("A checkbox");
checkbox.setValue(null);
addComponent(checkbox);
final CheckBox requiredCheckbox = new CheckBox("A required checkbox");
requiredCheckbox.setRequired(true);
requiredCheckbox.setValue(null);
addComponent(requiredCheckbox);
final Label valueLabel = new Label("");
final Button button = new Button("Validate");
addComponent(button);
button.addListener(new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
checkbox.setComponentError(null);
requiredCheckbox.setComponentError(null);
try {
checkbox.validate();
} catch (InvalidValueException e) {
checkbox.setComponentError(AbstractErrorMessage
.getErrorMessageForException(e));
}
try {
requiredCheckbox.validate();
} catch (InvalidValueException e) {
requiredCheckbox.setComponentError(AbstractErrorMessage
.getErrorMessageForException(e));
}
valueLabel.setValue("Checkbox: " + checkbox.getValue()
+ "; Required checkbox: " + requiredCheckbox.getValue());
}
});
addComponent(valueLabel);
}
@Override
protected String getDescription() {
return "CheckBox should support null values.";
}
@Override
protected Integer getTicketNumber() {
return 6918;
}
}