package com.vaadin.tests.components.textfield;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
import com.vaadin.data.Property;
import com.vaadin.data.util.PropertyFormatter;
import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.TextField;
public class TextFieldWithPropertyFormatter extends TestBase {
private PropertyFormatter<BigDecimal> formatter;
private Property<BigDecimal> property;
@Override
protected void setup() {
/*
* Formatter that: - formats in UK currency style - scales to 2 fraction
* digits - rounds half up
*/
// Property containing BigDecimal
property = new Property<BigDecimal>() {
private BigDecimal value;
@Override
public BigDecimal getValue() {
return value;
}
@Override
public void setValue(BigDecimal newValue) throws ReadOnlyException {
value = newValue;
}
@Override
public Class<BigDecimal> getType() {
return BigDecimal.class;
}
@Override
public boolean isReadOnly() {
return false;
}
@Override
public void setReadOnly(boolean newStatus) {
// ignore
}
};
formatter = new PropertyFormatter<BigDecimal>(property) {
private final DecimalFormat df = new DecimalFormat("#,##0.00",
new DecimalFormatSymbols(new Locale("en", "UK")));
{
df.setParseBigDecimal(true);
// df.setRoundingMode(RoundingMode.HALF_UP);
}
@Override
public String format(BigDecimal value) {
final String retVal;
if (value == null) {
retVal = "";
} else {
retVal = df.format(value);
}
return retVal;
}
@Override
public BigDecimal parse(String formattedValue) throws Exception {
if (formattedValue != null
&& formattedValue.trim().length() != 0) {
BigDecimal value = (BigDecimal) df.parse(formattedValue);
value = value.setScale(2, BigDecimal.ROUND_HALF_UP);
return value;
}
return null;
}
};
final TextField tf1 = new TextField();
tf1.setPropertyDataSource(formatter);
addComponent(tf1);
Button b = new Button(
"Sync (typing 12345.6789 and clicking this should format field)");
b.addListener(new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
}
});
addComponent(b);
b = new Button("Set '12345.6789' to textfield on the server side");
b.addListener(new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
tf1.setValue("12345.6789");
}
});
addComponent(b);
}
@Override
protected String getDescription() {
return "Should work";
}
@Override
protected Integer getTicketNumber() {
return 4394;
}
}