package com.vaadin.tests.minitutorials.v7a1; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractReindeerTestUI; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.Label; import com.vaadin.ui.Notification; import com.vaadin.v7.data.util.converter.Converter.ConversionException; import com.vaadin.v7.data.util.converter.StringToIntegerConverter; import com.vaadin.v7.ui.TextField; public class IntegerTextFieldStandalone extends AbstractReindeerTestUI { @Override protected void setup(VaadinRequest request) { final TextField textField = new TextField("Text field"); textField.setConverter(new StringToIntegerConverter()); Button submitButton = new Button("Submit value", new ClickListener() { @Override public void buttonClick(ClickEvent event) { String uiValue = textField.getValue(); try { Integer convertedValue = (Integer) textField .getConvertedValue(); Notification.show("UI value (String): " + uiValue + "<br />Converted value (Integer): " + convertedValue); } catch (ConversionException e) { e.printStackTrace(); Notification.show("Could not convert value: " + uiValue); } } }); addComponent(new Label("Text field type: " + textField.getType())); addComponent(new Label("Converterd text field type: " + textField.getConverter().getModelType())); addComponent(textField); addComponent(submitButton); } @Override protected String getTestDescription() { return "Mini tutorial for https://vaadin.com/wiki/-/wiki/Main/Creating%20a%20TextField%20for%20Integer%20only%20input%20when%20not%20using%20a%20data%20source"; } @Override protected Integer getTicketNumber() { // TODO Auto-generated method stub return null; } }