/**
* Applies this filter. This filter is applied over the <tt>MetaContactListService</tt>.
*
* @param filterQuery the query which keeps track of the filtering results
*/
public void applyFilter(FilterQuery filterQuery) {
// Create the query that will track filtering.
MetaContactQuery query = new MetaContactQuery();
// Add this query to the filterQuery.
filterQuery.addContactQuery(query);
for (int cssType : contactSourcePreferences.keySet()) {
Iterator<UIContactSource> filterSources =
GuiActivator.getContactList().getContactSources(cssType).iterator();
while (filterSources.hasNext()) {
UIContactSource filterSource = filterSources.next();
Integer prefValue = contactSourcePreferences.get(cssType);
// We are setting the index from contactSourcePreferences map to
// the contact source. This index is set to reorder the sources
// in the contact list.
if (prefValue != null) filterSource.setContactSourceIndex(prefValue);
ContactSourceService sourceService = filterSource.getContactSourceService();
ContactQuery contactQuery = sourceService.createContactQuery(null);
// Add this query to the filterQuery.
filterQuery.addContactQuery(contactQuery);
contactQuery.addContactQueryListener(GuiActivator.getContactList());
contactQuery.start();
}
}
// Closes this filter to indicate that we finished adding queries to it.
filterQuery.close();
query.addContactQueryListener(GuiActivator.getContactList());
int resultCount = 0;
addMatching(GuiActivator.getContactListService().getRoot(), query, resultCount);
query.fireQueryEvent(
query.isCanceled()
? MetaContactQueryStatusEvent.QUERY_CANCELED
: MetaContactQueryStatusEvent.QUERY_COMPLETED);
}
/**
* Initializes the contact source preferences. The preferences are for the visibility of the
* contact source and their order.
*/
private void initContactSourcePreferences() {
// This entry will be used to set the index for chat room contact sources
// The index is used to order the contact sources in the contact list.
// The chat room sources will be ordered before the meta contact list.
contactSourcePreferences.put(ContactSourceService.CHAT_ROOM_TYPE, 0);
}