/**
* Restores the property to its default value. For {@link Direction#FORM} parameters, extracts the
* property value and sets the binding form it (when appropriate).
*/
public void resetParameter(IRequestCycle cycle) {
if (_direction == Direction.FORM && cycle.isRewinding()) {
IFormComponent component = (IFormComponent) _component;
if (!component.isDisabled()) {
IForm form = Form.get(cycle);
if (form != null && form.isRewinding()) {
Object value = readCurrentPropertyValue();
_binding.setObject(value);
}
}
}
// Either way, clear the value.
setPropertyValue(_clearValue);
}
protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) {
IForm form = getForm(cycle);
String name = form.getElementId(this);
String format = getFormat();
if (format == null) format = "dd MMM yyyy";
SimpleDateFormat formatter = new SimpleDateFormat(format, getPage().getLocale());
boolean disabled = isDisabled();
if (!cycle.isRewinding()) {
Body body = Body.get(cycle);
if (body == null)
throw new ApplicationRuntimeException(
Tapestry.format("must-be-contained-by-body", "DatePicker"), this, null, null);
Locale locale = getPage().getLocale();
DateFormatSymbols dfs = new DateFormatSymbols(locale);
Calendar cal = Calendar.getInstance(locale);
Date value = getValue();
Map symbols = new HashMap();
symbols.put(SYM_NAME, name);
symbols.put(SYM_FORMAT, format);
symbols.put(SYM_INCL_WEEK, getIncludeWeek() ? Boolean.TRUE : Boolean.FALSE);
symbols.put(SYM_MONTHNAMES, makeStringList(dfs.getMonths(), 0, 12));
symbols.put(SYM_SHORT_MONTHNAMES, makeStringList(dfs.getShortMonths(), 0, 12));
symbols.put(SYM_WEEKDAYNAMES, makeStringList(dfs.getWeekdays(), 1, 8));
symbols.put(SYM_SHORT_WEEKDAYNAMES, makeStringList(dfs.getShortWeekdays(), 1, 8));
symbols.put(SYM_FIRSTDAYINWEEK, new Integer(cal.getFirstDayOfWeek() - 1));
symbols.put(SYM_MINDAYSINFIRSTWEEK, new Integer(cal.getMinimalDaysInFirstWeek()));
symbols.put(SYM_FORMNAME, form.getName());
symbols.put(SYM_VALUE, value);
_script.execute(cycle, body, symbols);
writer.beginEmpty("input");
writer.attribute("type", "text");
writer.attribute("name", name);
writer.attribute("title", formatter.toLocalizedPattern());
if (value != null) writer.attribute("value", formatter.format(value));
if (disabled) writer.attribute("disabled", "disabled");
renderInformalParameters(writer, cycle);
writer.printRaw(" ");
if (!disabled) {
writer.begin("a");
writer.attribute("href", (String) symbols.get(SYM_BUTTONONCLICKHANDLER));
}
IAsset icon = getIcon();
writer.beginEmpty("img");
writer.attribute("src", icon.buildURL(cycle));
writer.attribute("border", 0);
if (!disabled) writer.end(); // <a>
}
if (form.isRewinding()) {
if (disabled) return;
String textValue = cycle.getRequestContext().getParameter(name);
if (Tapestry.isBlank(textValue)) return;
try {
Date value = formatter.parse(textValue);
setValue(value);
} catch (ParseException ex) {
}
}
}