DateTime from the Joda framework.
* The user is aked for a date an hour and the minutes in three separate input fields.
*
* * Example: * hh:mm * * @author cfgi */ public class DateTimeInputRenderer extends InputRenderer { private String dateFormat; private String dateFormatText; private String dateBundle; private boolean dateKey; private String dateSize; private Integer dateMaxLength; public String getDateFormat() { return this.dateFormat == null ? DateConverter.DEFAULT_FORMAT : dateFormat; } /** * The format in which the date should be displayed. The format can * have the form accepted by * SimpleDateFormat * *
* The default format is {@value DateConverter#DEFAULT_FORMAT}.
*
* @property
*/
public void setDateFormat(String dateFormat) {
this.dateFormat = dateFormat;
}
public String getDateFormatText() {
return this.dateFormatText;
}
/**
* By default the value of dateFormat is used to show to the user
* how to write the date. This property allows you to override that default.
* This means that the value of the property will be shown instead.
*
* @property
*/
public void setDateFormatText(String dateFormatText) {
this.dateFormatText = dateFormatText;
}
public String getDateBundle() {
return this.dateBundle;
}
/**
* When the value of the dateFormatText is a key this property indicates
* the name of the bundle where the key will be looked for.
*
* @property
*/
public void setDateBundle(String dateBundle) {
this.dateBundle = dateBundle;
}
public boolean isDateKey() {
return this.dateKey;
}
/**
* Indicates the the value of the dateFormatText property is
* a key and not the text itself.
*
* @property
*/
public void setDateKey(boolean dateKey) {
this.dateKey = dateKey;
}
public Integer getDateMaxLength() {
return this.dateMaxLength;
}
/**
* Sets the max length of the date field.
* @property
*/
public void setDateMaxLength(Integer dateMaxLength) {
this.dateMaxLength = dateMaxLength;
}
public String getDateSize() {
return this.dateSize;
}
/**
* Chooses the size of the date field.
*
* @property
*/
public void setDateSize(String dateSize) {
this.dateSize = dateSize;
}
private Locale getLocale() {
HttpServletRequest request = getInputContext().getViewState().getRequest();
return RequestUtils.getUserLocale(request, null);
}
@Override
protected Layout getLayout(Object object, Class type) {
return new Layout() {
@Override
public HtmlComponent createComponent(Object object, Class type) {
DateTime dateTime = (DateTime) object;
Date date = null;
Calendar calendar = null;
if (dateTime != null) {
date = dateTime.toGregorianCalendar().getTime();
calendar = Calendar.getInstance();
calendar.setTime(date);
}
MetaSlotKey key = (MetaSlotKey) getInputContext().getMetaObject().getKey();
HtmlInlineContainer container = new HtmlInlineContainer();
HtmlHiddenField hiddenField = new HtmlHiddenField();
hiddenField.setTargetSlot(key);
container.addChild(hiddenField);
HtmlTextInput dateField = new HtmlTextInput();
dateField.setName(key.toString() + "_date");
dateField.setSize(getDateSize());
dateField.setMaxLength(getDateMaxLength());
container.addChild(dateField);
container.addChild(new HtmlText(getFormatLabel()));
Locale locale = getLocale();
SimpleDateFormat dateFormat = new SimpleDateFormat(getDateFormat(), locale);
if (date != null) {
dateField.setValue(dateFormat.format(date));
}
HtmlTextInput hoursField = new HtmlTextInput();
hoursField.setName(key.toString() + "_hours");
hoursField.setSize("2");
hoursField.setMaxLength(2);
container.addChild(hoursField);
if (calendar != null) {
hoursField.setValue(String.format("%02d", calendar.get(Calendar.HOUR_OF_DAY)));
}
container.addChild(new HtmlText("hh"));
HtmlTextInput minutesField = new HtmlTextInput();
minutesField.setName(key.toString() + "_minutes");
minutesField.setSize("2");
minutesField.setMaxLength(2);
container.addChild(minutesField);
if (calendar != null) {
minutesField.setValue(String.format("%02d", calendar.get(Calendar.MINUTE)));
}
container.addChild(new HtmlText("mm"));
hiddenField.setConverter(new DateTimeConverter(dateField, hoursField, minutesField));
minutesField.setController(new DateTimeController(hiddenField, dateFormat, dateField, hoursField, minutesField));
return container;
}
protected String getFormatLabel() {
if (isDateKey()) {
return RenderUtils.getResourceString(getDateBundle(), getDateFormatText());
}
else {
if (getDateFormatText() != null) {
return getDateFormatText();
}
else {
return getDateFormat();
}
}
}
};
}
private class DateTimeController extends HtmlController {
private HtmlHiddenField valueField;
private DateFormat dateFormat;
private HtmlTextInput dateField;
private HtmlTextInput hoursField;
private HtmlTextInput minutesField;
public DateTimeController(HtmlHiddenField hiddenField, DateFormat dateFormat, HtmlTextInput dateField, HtmlTextInput hoursField, HtmlTextInput minutesField) {
this.valueField = hiddenField;
this.dateFormat = dateFormat;
this.dateField = dateField;
this.hoursField = hoursField;
this.minutesField = minutesField;
}
@Override
public void execute(IViewState viewState) {
DateConverter converter = new DateConverter(this.dateFormat);
try {
Date date = (Date) converter.convert(Date.class, this.dateField.getValue());
if (date == null) {
if ((this.hoursField.getValue() != null && this.hoursField.getValue().length() > 0) ||
(this.minutesField.getValue() != null && this.minutesField.getValue().length() > 0)) {
this.valueField.setValue(DateTimeConverter.INCOMPLETE);
}
else {
this.valueField.setValue("");
}
return;
}
String hours = DateTimeConverter.zeroPad(this.hoursField.getValue());
String minutes = DateTimeConverter.zeroPad(this.minutesField.getValue());
String value = String.format("%tFT%s:%s", date, hours, minutes);
this.valueField.setValue(value);
} catch (ConversionException e) {
this.valueField.setValue(DateTimeConverter.INVALID);
}
}
}
public static class DateTimeConverter extends Converter {
public static final String INVALID = "invalid";
public static final String INCOMPLETE = "incomplete";
private HtmlTextInput dateField;
private HtmlTextInput hoursField;
private HtmlTextInput minutesField;
public DateTimeConverter(HtmlTextInput dateField, HtmlTextInput hoursField, HtmlTextInput minutesField) {
this.dateField = dateField;
this.hoursField = hoursField;
this.minutesField = minutesField;
}
@Override
public Object convert(Class type, Object value) {
if (value == null || String.valueOf(value).length() == 0) {
return null;
}
if (value.equals(INVALID)) {
throw new ConversionException("fenix.renderers.converter.dateTime.invalid", true, this.dateField.getValue());
}
String hours = zeroPad(this.hoursField.getValue());
String minutes = zeroPad(this.minutesField.getValue());
if (value.equals(INCOMPLETE)) {
throw new ConversionException("fenix.renderers.converter.dateTime.incomplete", true, hours, minutes);
}
try {
return new DateTime(value);
} catch (IllegalArgumentException e) {
String date = dateField.getValue();
throw new ConversionException("fenix.renderers.converter.dateTime.convert", e, true, date, hours, minutes);
}
}
public static String zeroPad(String text) {
if (text == null) {
return "00";
}
return (text.length() < 2 ? "0" : "") +
(text.length() < 1 ? "0" : "") +
text;
}
}
}