private String getUuid(AuRequest request) {
final Component comp = request.getComponent();
if (comp != null) return comp.getUuid();
final Page page = request.getPage();
if (page != null) return page.getUuid();
return null;
}
/**
* Processes an AU request.
*
* <p>Default: in addition to what are handled by {@link XulElement#service}, it also handles
* onTimeZoneChange, onChange, onChanging and onError.
*
* @since 5.0.0
*/
public void service(org.zkoss.zk.au.AuRequest request, boolean everError) {
final String cmd = request.getCommand();
if (cmd.equals("onTimeZoneChange")) {
final Map<String, Object> data = request.getData();
String timezone = (String) data.get("timezone");
setTimeZone(timezone);
} else super.service(request, everError);
}
/**
* Converts an AU request to a selection event.
*
* @since 5.0.0
*/
public static final SelectionEvent getSelectionEvent(AuRequest request) {
final Map data = request.getData();
return new SelectionEvent(
request.getCommand(),
request.getComponent(),
AuRequests.getInt(data, "start", 0),
AuRequests.getInt(data, "end", 0),
(String) data.get("selected"));
}
private static boolean isObsolete(AuRequest request) {
final Component comp = request.getComponent();
if (comp != null) {
final Desktop dt = comp.getDesktop();
return dt != null && dt != request.getDesktop();
// Since 3.5.0, we allow a component to process events even
// if it is detached (due to implementation of EventQueue)
}
return false;
}
public void addRequests(Collection requests) {
for (Iterator it = requests.iterator(); it.hasNext(); ) {
final AuRequest request = (AuRequest) it.next();
try {
request.activate();
if (!isObsolete(request)) addRequest(request);
} catch (ComponentNotFoundException ex) { // ignore it
// ignore it since a long request might remove a timer
// while clients already queues onTimer generated by the timer
if (log.debugable()) log.debug("Ignore request: " + ex.getMessage());
}
}
}
public static final ResizeEvent getResizeEvent(AuRequest request) {
final Component comp = request.getComponent();
if (comp == null) throw new UiException(MZk.ILLEGAL_REQUEST_COMPONENT_REQUIRED, request);
final Map data = request.getData();
if (data == null)
throw new UiException(MZk.ILLEGAL_REQUEST_WRONG_DATA, new Object[] {data, request});
return new ResizeEvent(
request.getCommand(),
comp,
AuRequests.getInt(data, "width", 0),
AuRequests.getInt(data, "height", 0));
}
/**
* Processes an AU request.
*
* <p>Default: in addition to what are handled by {@link HtmlBasedComponent#service}, it also
* handles onOpen.
*
* @since 5.0.0
*/
public void service(org.zkoss.zk.au.AuRequest request, boolean everError) {
final String cmd = request.getCommand();
if (cmd.equals(Events.ON_TIMER)) {
if (!_repeats) _running = false; // Bug 1829397
}
super.service(request, everError);
}
/**
* Processes an AU request.
*
* <p>Default: in addition to what are handled by {@link XulElement#service}, it also handles
* onOpen.
*
* @since 5.0.0
*/
public void service(org.zkoss.zk.au.AuRequest request, boolean everError) {
final String cmd = request.getCommand();
if (cmd.equals(Events.ON_OPEN)) {
OpenEvent evt = OpenEvent.getOpenEvent(request);
setVisible(evt.isOpen());
Events.postEvent(evt);
} else if (cmd.equals(Events.ON_MAXIMIZE)) {
MaximizeEvent evt = MaximizeEvent.getMaximizeEvent(request);
setLeftDirectly(evt.getLeft());
setTopDirectly(evt.getTop());
setWidthDirectly(evt.getWidth());
setHeightDirectly(evt.getHeight());
_maximized = evt.isMaximized();
if (_maximized) setVisibleDirectly(true);
Events.postEvent(evt);
} else if (cmd.equals(Events.ON_MINIMIZE)) {
MinimizeEvent evt = MinimizeEvent.getMinimizeEvent(request);
setLeftDirectly(evt.getLeft());
setTopDirectly(evt.getTop());
setWidthDirectly(evt.getWidth());
setHeightDirectly(evt.getHeight());
_minimized = evt.isMinimized();
if (_minimized) {
setVisibleDirectly(false);
if (_mode == MODAL) leaveModal(OVERLAPPED);
}
Events.postEvent(evt);
} else super.service(request, everError);
}
/**
* Processes an AU request.
*
* <p>Default: in addition to what are handled by {@link LabelImageElement#service}, it also
* handles onCheck.
*
* @since 5.0.0
*/
public void service(org.zkoss.zk.au.AuRequest request, boolean everError) {
final String cmd = request.getCommand();
if (cmd.equals(Events.ON_CHECK)) {
CheckEvent evt = CheckEvent.getCheckEvent(request);
_checked = evt.isChecked();
Events.postEvent(evt);
} else super.service(request, everError);
}
public boolean shallBlock(AuRequest request) {
// B50-3316103: special case of readonly component: do not block onChange and onSelect
final String cmd = request.getCommand();
if (Events.ON_OPEN.equals(cmd)) return false;
return !Components.isRealVisible(Datebox.this)
|| isDisabled()
|| (isReadonly() && Events.ON_CHANGING.equals(cmd));
}
/**
* Processes an AU request.
*
* <p>Default: in addition to what are handled by its superclass, it also handles onSort.
*
* @since 6.5.0
*/
public void service(org.zkoss.zk.au.AuRequest request, boolean everError) {
final String cmd = request.getCommand();
if (cmd.equals(Events.ON_SORT)) {
SortEvent evt = SortEvent.getSortEvent(request);
Events.postEvent(evt);
} else if (cmd.equals(Events.ON_GROUP)) {
final Map<String, Object> data = request.getData();
final boolean ascending = AuRequests.getBoolean(data, "");
Events.postEvent(new SortEvent(cmd, this, ascending));
// internal use, and it should be invoked after onGroup event.
Events.postEvent(-1000, new SortEvent("onGroupLater", this, ascending));
} else if (cmd.equals(Events.ON_UNGROUP)) {
final Map<String, Object> data = request.getData();
final boolean ascending = AuRequests.getBoolean(data, "");
ungroup(ascending);
Events.postEvent(new SortEvent(cmd, request.getComponent(), ascending));
} else super.service(request, everError);
}
private void addRequest(AuRequest request) {
// case 1, BUSY_IGNORE: Drop any existent ignorable requests
// We don't need to iterate all because requests is added one-by-one
// In other words, if any temporty request, it must be the last
{
int last = _requests.size() - 1;
if (last < 0) { // optimize the most common case
_requests.add(request);
return;
}
final AuRequest req2 = (AuRequest) _requests.get(last);
if ((req2.getOptions() & AuRequest.BUSY_IGNORE) != 0) {
_requests.remove(last); // drop it
if (last == 0) {
_requests.add(request);
return;
}
}
}
final String name = request.getCommand();
final int opts = request.getOptions();
// Since 3.0.2, redundant CTRL_GROUP is removed at the client
// case 2, DUPLICATE_IGNORE: drop existent request if they are the same
// as the arrival.
if ((opts & AuRequest.DUPLICATE_IGNORE) != 0) {
final String uuid = getUuid(request);
for (Iterator it = _requests.iterator(); it.hasNext(); ) {
final AuRequest req2 = (AuRequest) it.next();
if (req2.getCommand().equals(name) && Objects.equals(getUuid(req2), uuid)) {
it.remove(); // drop req2 (the old one)
break; // no need to iterate because impossible to have more
}
}
// Case 3, REPEAT_IGNORE: drop existent if the immediate
// following is the same
} else if ((opts & AuRequest.REPEAT_IGNORE) != 0) {
final int last = _requests.size() - 1;
final AuRequest req2 = (AuRequest) _requests.get(last);
if (req2.getCommand().equals(name) && Objects.equals(getUuid(req2), getUuid(request))) {
_requests.remove(last);
}
}
_requests.add(request);
}