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https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm.git
synced 2024-12-22 16:14:10 -08:00
DateTime sample shows usage of DateFormat
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konsoletyper
parent
54e0c43fb2
commit
08c912e80f
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@ -148,14 +148,17 @@ class TSimpleDatePatternParser {
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elements.add(new TDateFormatElement.Numeric(TCalendar.MILLISECOND, rep));
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break;
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}
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default: {
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default:
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if (isControl(c)) {
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parseRepetitions();
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} else {
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StringBuilder sb = new StringBuilder();
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while (index < pattern.length() && !isControl(pattern.charAt(index))) {
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sb.append(pattern.charAt(index++));
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}
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elements.add(new TDateFormatElement.ConstantText(sb.toString()));
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break;
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}
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break;
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}
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}
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}
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@ -15,8 +15,8 @@
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*/
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package org.teavm.samples;
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import java.text.DateFormatSymbols;
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import java.util.Calendar;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.Locale;
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@ -38,23 +38,34 @@ public class DateTime {
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private static Window window = (Window)JS.getGlobal();
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private static HTMLDocument document = window.getDocument();
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private static HTMLSelectElement localeElem = (HTMLSelectElement)document.getElementById("locale");
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private static HTMLSelectElement fieldElem = (HTMLSelectElement)document.getElementById("field");
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private static HTMLSelectElement formatElem = (HTMLSelectElement)document.getElementById("format");
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private static HTMLSelectElement customFormatElem = (HTMLSelectElement)document.getElementById("custom-format");
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private static Date currentDate = new Date();
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private static Locale[] locales;
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private static Locale currentLocale;
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private static int currentField;
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private static DateFormat dateFormat;
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public static void main(String[] args) {
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fillLocales();
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bindFieldEvent();
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window.setInterval(new TimerHandler() {
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@Override
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public void onTimer() {
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@Override public void onTimer() {
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updateCurrentTime();
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}
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}, 250);
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updateCurrentLocale();
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updateCurrentField();
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updateFormat();
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formatElem.addEventListener("change", new EventListener() {
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@Override public void handleEvent(Event evt) {
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updateFormat();
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updateCurrentTimeText();
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}
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});
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customFormatElem.addEventListener("change", new EventListener() {
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@Override public void handleEvent(Event evt) {
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updateFormat();
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updateCurrentTimeText();
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}
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});
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}
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private static void fillLocales() {
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@ -68,19 +79,12 @@ public class DateTime {
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localeElem.addEventListener("change", new EventListener() {
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@Override public void handleEvent(Event evt) {
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updateCurrentLocale();
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updateFormat();
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updateCurrentTimeText();
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}
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});
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}
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private static void bindFieldEvent() {
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fieldElem.addEventListener("change", new EventListener() {
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@Override public void handleEvent(Event evt) {
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updateCurrentField();
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}
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});
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}
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private static void updateCurrentLocale() {
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currentLocale = locales[localeElem.getSelectedIndex()];
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GregorianCalendar calendar = new GregorianCalendar(currentLocale);
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@ -97,89 +101,64 @@ public class DateTime {
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private static void setCurrentTime(Date date) {
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currentDate = date;
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updateCurrentTimeText();
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updateFieldText();
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}
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private static void updateCurrentTimeText() {
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HTMLInputElement timeElem = (HTMLInputElement)document.getElementById("current-time");
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timeElem.setValue(currentDate.toString());
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try {
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timeElem.setValue(dateFormat.format(currentDate));
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} catch (RuntimeException e) {
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timeElem.setValue("Error formatting date");
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}
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}
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private static void updateCurrentField() {
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switch (fieldElem.getValue()) {
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case "era":
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currentField = Calendar.ERA;
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private static void updateFormat() {
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customFormatElem.setDisabled(true);
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switch (formatElem.getValue()) {
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case "short-date":
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dateFormat = DateFormat.getDateInstance(DateFormat.SHORT, currentLocale);
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break;
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case "year":
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currentField = Calendar.YEAR;
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case "medium-date":
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dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM, currentLocale);
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break;
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case "month":
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currentField = Calendar.MONTH;
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case "long-date":
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dateFormat = DateFormat.getDateInstance(DateFormat.LONG, currentLocale);
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break;
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case "week-of-year":
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currentField = Calendar.WEEK_OF_YEAR;
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case "full-date":
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dateFormat = DateFormat.getDateInstance(DateFormat.FULL, currentLocale);
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break;
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case "week-of-month":
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currentField = Calendar.WEEK_OF_MONTH;
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case "short-time":
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dateFormat = DateFormat.getTimeInstance(DateFormat.SHORT, currentLocale);
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break;
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case "date":
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currentField = Calendar.DATE;
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case "medium-time":
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dateFormat = DateFormat.getTimeInstance(DateFormat.MEDIUM, currentLocale);
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break;
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case "day-of-year":
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currentField = Calendar.DAY_OF_YEAR;
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case "long-time":
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dateFormat = DateFormat.getTimeInstance(DateFormat.LONG, currentLocale);
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break;
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case "day-of-week":
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currentField = Calendar.DAY_OF_WEEK;
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case "full-time":
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dateFormat = DateFormat.getTimeInstance(DateFormat.FULL, currentLocale);
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break;
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case "am-pm":
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currentField = Calendar.AM_PM;
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case "short-datetime":
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dateFormat = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, currentLocale);
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break;
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case "hour":
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currentField = Calendar.HOUR;
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case "medium-datetime":
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dateFormat = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM, currentLocale);
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break;
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case "hour-of-day":
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currentField = Calendar.HOUR_OF_DAY;
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case "long-datetime":
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dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, currentLocale);
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break;
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case "minute":
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currentField = Calendar.MINUTE;
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case "full-datetime":
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dateFormat = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, currentLocale);
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break;
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case "second":
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currentField = Calendar.SECOND;
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break;
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case "zone-offset":
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currentField = Calendar.ZONE_OFFSET;
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case "custom":
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customFormatElem.setDisabled(false);
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try {
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dateFormat = new SimpleDateFormat(customFormatElem.getValue(), currentLocale);
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} catch (IllegalArgumentException e) {
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dateFormat = new SimpleDateFormat("'Invalid pattern'");
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}
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break;
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}
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updateFieldText();
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}
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private static void updateFieldText() {
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HTMLInputElement fieldValueElem = (HTMLInputElement)document.getElementById("field-value");
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Calendar calendar = new GregorianCalendar(currentLocale);
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calendar.setTime(currentDate);
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int value = calendar.get(currentField);
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fieldValueElem.setValue(String.valueOf(value));
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DateFormatSymbols symbols = new DateFormatSymbols(currentLocale);
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String text;
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switch (currentField) {
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case Calendar.ERA:
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text = symbols.getEras()[value];
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break;
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case Calendar.AM_PM:
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text = symbols.getAmPmStrings()[value];
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break;
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case Calendar.MONTH:
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text = symbols.getMonths()[value] + "/" + symbols.getShortMonths()[value];
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break;
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case Calendar.DAY_OF_WEEK:
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text = symbols.getWeekdays()[value - 1] + "/" + symbols.getShortWeekdays()[value - 1];
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break;
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default:
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text = "";
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break;
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}
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HTMLInputElement fieldTextElem = (HTMLInputElement)document.getElementById("field-value-text");
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fieldTextElem.setValue(text);
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}
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}
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@ -22,28 +22,23 @@
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<input type="text" id="week-length" readonly size="5">
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</div>
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<div>
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<label for="field">Pick a field:</label>
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<select id="field" size="1">
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<option value="era">Era</option>
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<option value="year">Year</option>
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<option value="month">Month</option>
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<option value="week-of-year">Week of year</option>
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<option value="week-of-month">Week of month</option>
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<option value="date">Date</option>
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<option value="day-of-year">Day of year</option>
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<option value="day-of-week">Day of week</option>
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<option value="am-pm">AM/PM</option>
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<option value="hour">Hour</option>
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<option value="hour-of-day">Hour of day</option>
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<option value="minute">Minute</option>
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<option value="second">Second</option>
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<option value="zone-offset">Zone offset</option>
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<label for="format">Format:</label>
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<select id="format" size="1">
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<option value="short-date">Date (short)</option>
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<option value="medium-date">Date (medium)</option>
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<option value="long-date">Date (long)</option>
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<option value="full-date">Date (full)</option>
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<option value="short-time">Time (short)</option>
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<option value="medium-time">Time (medium)</option>
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<option value="long-time">Time (long)</option>
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<option value="full-time">Time (full)</option>
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<option value="short-datetime">Date and time (short)</option>
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<option value="medium-datetime">Date and (medium)</option>
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<option value="long-datetime">Date and time (long)</option>
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<option value="full-datetime">Date and time (full)</option>
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<option value="custom">Custom</option>
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</select>
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</div>
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<div>
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<label for="field-value">Field value is:</label>
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<input type="text" id="field-value" readonly>
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<input type="text" id="field-value-text" readonly>
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<input type="text" id="custom-format" disabled value="yyyy-MM-dd HH:mm:ss">
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</div>
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</body>
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</html>
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