import java.util.Random;
import org.apache.commons.lang.CharEncoding;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.appserver.WODisplayGroup;
import com.webobjects.foundation.NSArray;
import com.webobjects.foundation.NSData;
import com.webobjects.foundation.NSDictionary;
import com.webobjects.foundation.NSMutableArray;
import com.webobjects.foundation.NSMutableDictionary;
import com.webobjects.foundation.NSPropertyListSerialization;
import com.webobjects.foundation.NSTimestamp;
public class AjaxGridExample extends WOComponent {
private NSMutableDictionary configData;
public WODisplayGroup displayGroup;
public AjaxGridExample(WOContext context) {
super(context);
displayGroup = new WODisplayGroup();
displayGroup().setObjectArray(sampleData());
// We preset the batch size so that our x / N display is updated when
// the page first renders
displayGroup().setNumberOfObjectsPerBatch(Integer.parseInt((String) configData().valueForKey("batchSize")));
}
private NSMutableArray sampleData() {
NSData data = new NSData(application().resourceManager().bytesForResourceNamed("AjaxGridExampleTestData.plist", null, NSArray.EmptyArray));
NSMutableArray sampleData = new NSMutableArray((NSArray) NSPropertyListSerialization.propertyListFromData(data, CharEncoding.UTF_8));
Random random = new Random(new NSTimestamp().getNanos());
for (int i = 0; i < sampleData.count(); i++) {
NSMutableDictionary<String,Object> row = (NSMutableDictionary<String,Object>) sampleData.objectAtIndex(i);
row.setObjectForKey(Integer.valueOf(random.nextInt()), "number");
row.setObjectForKey(new NSTimestamp(random.nextLong()), "date");
row.setObjectForKey(Integer.valueOf(i + 1).toString(), "level");
}
return sampleData;
}
public NSMutableDictionary configData() {
if (configData == null) {
NSData data = new NSData(application().resourceManager().bytesForResourceNamed("AjaxGridExampleConfiguration.plist", null, NSArray.EmptyArray));
configData = new NSMutableDictionary((NSDictionary) NSPropertyListSerialization.propertyListFromData(data, CharEncoding.UTF_8));
}
return configData;
}
/**
* @return the disply group containing the data
*/
public WODisplayGroup displayGroup() {
return displayGroup;
}
public void updateBatchSize() {
}
public void nextBatch() {
displayGroup().displayNextBatch();
displayGroup().setSelectedObject(null);
}
public void previousBatch() {
displayGroup().displayPreviousBatch();
displayGroup().setSelectedObject(null);
}
}