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package com.vaadin.tests.components.datefield;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.Component;
import com.vaadin.ui.DateField;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.NativeSelect;
public class CustomDateFormats extends TestBase {
private static final Object CAPTION = "C";
private Component customFormats = null;
@Override
protected void setup() {
final NativeSelect s = new NativeSelect("Locale");
s.setImmediate(true);
s.setNullSelectionAllowed(false);
s.addContainerProperty(CAPTION, String.class, "");
addLocale(Locale.FRANCE, s);
addLocale(Locale.CHINESE, s);
addLocale(Locale.US, s);
addLocale(Locale.UK, s);
addLocale(new Locale("fi", "FI"), s);
s.addListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
setDateFieldLocale((Locale) s.getValue());
}
});
addComponent(s);
s.setValue(Locale.FRANCE);
}
private void addLocale(Locale locale, NativeSelect s) {
Item i = s.addItem(locale);
i.getItemProperty(CAPTION).setValue(locale.toString());
}
protected void setDateFieldLocale(Locale value) {
Component n = getCustomFormats(value);
if (customFormats == null) {
addComponent(n);
} else {
replaceComponent(customFormats, n);
}
customFormats = n;
}
private GridLayout getCustomFormats(Locale locale) {
GridLayout gridLayout = createGridLayout();
usedDebugIds.clear();
addDateFields(gridLayout, locale);
return gridLayout;
}
private GridLayout createGridLayout() {
GridLayout gridLayout = new GridLayout(4, 4);
gridLayout.setMargin(true);
gridLayout.addComponent(new Label("FORMAT"));
gridLayout.addComponent(new Label("DATEFIELD"));
gridLayout.addComponent(new Label("SERVER SIDE VALUE"));
gridLayout.addComponent(new Label("EXPECTED"));
return gridLayout;
}
private void addDateFields(GridLayout gridLayout, Locale locale) {
addDateField(gridLayout, "d M yyyy", locale);
addDateField(gridLayout, "d MM yyyy", locale);
addDateField(gridLayout, "d MMM yyyy", locale);
addDateField(gridLayout, "d MMMM yyyy", locale);
addDateField(gridLayout, "dd M yyyy", locale);
addDateField(gridLayout, "ddd M yyyy", locale);
addDateField(gridLayout, "d M y", locale, "d M yyyy");
addDateField(gridLayout, "d M yy", locale);
addDateField(gridLayout, "d M yyy", locale, "d M yyyy");
addDateField(gridLayout, "d M yyyy", locale);
addDateField(gridLayout, getDatePattern(locale, DateFormat.FULL),
locale);
addDateField(gridLayout, getDatePattern(locale, DateFormat.LONG),
locale);
addDateField(gridLayout, getDatePattern(locale, DateFormat.MEDIUM),
locale);
addDateField(gridLayout, getDatePattern(locale, DateFormat.SHORT),
locale);
addDateField(gridLayout, "EEE d MMMM yyyy", locale);
}
private String getDatePattern(Locale locale, int dateStyle) {
DateFormat dateFormat = DateFormat.getDateInstance(dateStyle, locale);
if (dateFormat instanceof SimpleDateFormat) {
String pattern = ((SimpleDateFormat) dateFormat).toPattern();
return pattern;
}
return null;
}
public class Data {
private Label label;
private String pattern;
public Data(Label label, String pattern) {
this.label = label;
this.pattern = pattern;
}
}
private Set<String> usedDebugIds = new HashSet<String>();
private void addDateField(GridLayout gridLayout, String pattern,
Locale locale, String expectedDateFormat) {
Calendar cal = Calendar.getInstance();
cal.set(2010, 1, 1);
Label serversideValueLabel = new Label();
DateField df = new DateField();
df.setResolution(DateField.RESOLUTION_DAY);
df.setLocale(locale);
df.setWidth("300px");
df.setDateFormat(pattern);
df.setImmediate(true);
String debugId = pattern.replace('/', 'X');
// only certain characters are allowed in debug IDs
debugId = debugId.replaceAll("[^-a-zA-Z .'_]", "X");
while (usedDebugIds.contains(debugId)) {
debugId = debugId + "-";
}
df.setId(debugId);
usedDebugIds.add(debugId);
df.setData(new Data(serversideValueLabel, pattern));
df.setValue(cal.getTime());
df.addListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
updateServerSideLabel((DateField) event.getProperty());
}
});
Label patternLabel = new Label(pattern);
patternLabel.setWidth(null);
SimpleDateFormat expDateFormat = new SimpleDateFormat(
expectedDateFormat, locale);
Label expectedLabel = new Label(expDateFormat.format(cal.getTime()));
if (!pattern.equals(expectedDateFormat)) {
expectedLabel.setValue(expectedLabel.getValue()
+ " (differs from JDK)");
}
expectedLabel.setWidth(null);
gridLayout.addComponent(patternLabel);
gridLayout.addComponent(df);
gridLayout.addComponent(serversideValueLabel);
gridLayout.addComponent(expectedLabel);
updateServerSideLabel(df);
}
private void updateServerSideLabel(DateField df) {
Data data = (Data) df.getData();
String pattern = data.pattern;
Locale locale = df.getLocale();
SimpleDateFormat formatter = new SimpleDateFormat(pattern, locale);
String newValue = formatter.format(df.getValue());
data.label.setValue(newValue);
}
private void addDateField(GridLayout gridLayout, String pattern,
Locale locale) {
addDateField(gridLayout, pattern, locale, pattern);
}
@Override
protected String getDescription() {
return "Test that DateField renders custom date formats the same way as SimpleDateFormat formats them";
}
@Override
protected Integer getTicketNumber() {
return 5465;
}
}
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