public List<PoiFilter> getUserDefinedPoiFilters() {
if (cacheUserDefinedFilters == null) {
cacheUserDefinedFilters = new ArrayList<PoiFilter>();
PoiFilter filter =
new PoiFilter(
application.getString(R.string.poi_filter_custom_filter),
PoiFilter.CUSTOM_FILTER_ID,
new LinkedHashMap<AmenityType, LinkedHashSet<String>>(),
application); //$NON-NLS-1$
filter.setStandardFilter(true);
cacheUserDefinedFilters.add(filter);
filter = new SearchByNameFilter(application);
cacheUserDefinedFilters.add(filter);
PoiFilterDbHelper helper = openDbHelper();
List<PoiFilter> userDefined = helper.getFilters(helper.getReadableDatabase());
final Collator instance = Collator.getInstance();
Collections.sort(
userDefined,
new Comparator<PoiFilter>() {
@Override
public int compare(PoiFilter object1, PoiFilter object2) {
return instance.compare(object1.getName(), object2.getName());
}
});
cacheUserDefinedFilters.addAll(userDefined);
helper.close();
}
return Collections.unmodifiableList(cacheUserDefinedFilters);
}
public boolean createPoiFilter(PoiFilter filter) {
PoiFilterDbHelper helper = openDbHelper();
if (helper == null) {
return false;
}
boolean res = helper.addFilter(filter, helper.getWritableDatabase(), false);
if (res) {
cacheUserDefinedFilters.add(filter);
}
helper.close();
return res;
}
public boolean editPoiFilter(PoiFilter filter) {
if (filter.getFilterId().equals(PoiFilter.CUSTOM_FILTER_ID)
|| filter.getFilterId().equals(PoiFilter.BY_NAME_FILTER_ID)) {
return false;
}
PoiFilterDbHelper helper = openDbHelper();
if (helper != null) {
boolean res = helper.editFilter(helper.getWritableDatabase(), filter);
helper.close();
return res;
}
return false;
}
public boolean removePoiFilter(PoiFilter filter) {
if (filter.getFilterId().equals(PoiFilter.CUSTOM_FILTER_ID)
|| filter.getFilterId().equals(PoiFilter.BY_NAME_FILTER_ID)) {
return false;
}
PoiFilterDbHelper helper = openDbHelper();
if (helper == null) {
return false;
}
boolean res = helper.deleteFilter(helper.getWritableDatabase(), filter);
if (res) {
cacheUserDefinedFilters.remove(filter);
}
helper.close();
return res;
}
public void updateFilters(boolean onlyAddFilters) {
PoiFilterDbHelper helper = openDbHelper();
helper.upgradeFilters(helper.getWritableDatabase(), onlyAddFilters);
helper.close();
}
