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package com.vaadin.tests.layouts;
import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.FormLayout;
import com.vaadin.ui.TextArea;
public class FormLayoutWithInvisibleComponent extends TestBase {
private TextArea messages;
@Override
protected String getDescription() {
return "There is an initial invisible text field below the checkbox. Checking the checkbox should show the field as a textarea (40x10) and also show its caption(\"Messages visible\") and a required error (*).";
}
@Override
protected Integer getTicketNumber() {
return 2706;
}
@Override
protected void setup() {
FormLayout formLayout = new FormLayout();
CheckBox control = new CheckBox("Messages On/Off");
control.addValueChangeListener(event -> {
messages.setVisible(event.getValue());
messages.setRequiredIndicatorVisible(true);
messages.setCaption("Messages visible");
});
formLayout.addComponent(control);
messages = new TextArea("Messages hidden");
messages.setRows(10);
messages.setWidth("40em");
messages.setVisible(false);
messages.setEnabled(false);
formLayout.addComponent(messages);
addComponent(formLayout);
}
}
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