import org.apache.log4j.Logger;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.appserver.WODisplayGroup;
import com.webobjects.appserver.WORequest;
import com.webobjects.eocontrol.EOSortOrdering;
import com.webobjects.foundation.NSArray;
import er.ajax.example.ExampleDataFactory;
import er.ajax.example.Word;
public class UpdateDisplayGroupExample extends WOComponent {
private static final Logger log = Logger.getLogger(UpdateDisplayGroupExample.class);
public WODisplayGroup dg;
public Word current;
public UpdateDisplayGroupExample(WOContext context) {
super(context);
dg = new WODisplayGroup();
dg.setObjectArray(ExampleDataFactory.allWords());
dg.setNumberOfObjectsPerBatch(20);
}
private void setSortOrder(String name) {
NSArray<EOSortOrdering> oldArray = dg.sortOrderings();
EOSortOrdering oldOrdering = null;
EOSortOrdering newOrdering = null;
if (oldArray != null) {
oldOrdering = oldArray.lastObject();
}
if (oldOrdering != null && oldOrdering.key().equals(name)) {
newOrdering = EOSortOrdering.sortOrderingWithKey(name, oldOrdering.selector() == EOSortOrdering.CompareDescending ? EOSortOrdering.CompareAscending : EOSortOrdering.CompareDescending);
}
else {
newOrdering = EOSortOrdering.sortOrderingWithKey(name, EOSortOrdering.CompareAscending);
}
dg.setSortOrderings(new NSArray<EOSortOrdering>(newOrdering));
dg.qualifyDisplayGroup();
}
@Override
public void takeValuesFromRequest(WORequest worequest, WOContext wocontext) {
super.takeValuesFromRequest(worequest, wocontext);
}
public long millis() {
return System.currentTimeMillis();
}
public void sortByName() {
setSortOrder("name");
}
public void sortByValue() {
setSortOrder("value");
}
public void nextBatch() {
dg.displayNextBatch();
dg.setSelectedObject(null);
}
public void previousBatch() {
dg.displayPreviousBatch();
dg.setSelectedObject(null);
}
public void selectObject() {
dg.setSelectedObject(current);
}
public void save() {
// do nothing
log.info(dg.selectedObject());
}
}