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;
}
/**
* 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 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 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);
}