/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package pivot.tutorials.lists;
import pivot.collections.Dictionary;
import pivot.collections.Sequence;
import pivot.wtk.Application;
import pivot.wtk.Component;
import pivot.wtk.Display;
import pivot.wtk.Label;
import pivot.wtk.ListView;
import pivot.wtk.ListViewSelectionListener;
import pivot.wtk.Span;
import pivot.wtk.Window;
import pivot.wtkx.WTKXSerializer;
public class ListViews implements Application {
private Window window = null;
@SuppressWarnings("unchecked")
public void startup(Display display, Dictionary<String, String> properties)
throws Exception {
WTKXSerializer wtkxSerializer = new WTKXSerializer();
Component content =
(Component)wtkxSerializer.readObject("pivot/tutorials/lists/list_views.wtkx");
final Label selectionLabel =
(Label)wtkxSerializer.getObjectByName("selectionLabel");
ListView listView = (ListView)wtkxSerializer.getObjectByName("listView");
listView.getListViewSelectionListeners().add(new ListViewSelectionListener() {
public void selectedRangeAdded(ListView listView, int rangeStart, int rangeEnd) {
updateSelection(listView);
}
public void selectedRangeRemoved(ListView listView, int rangeStart, int rangeEnd) {
updateSelection(listView);
}
public void selectedRangesChanged(ListView listView, Sequence<Span> previousSelectedRanges) {
updateSelection(listView);
}
private void updateSelection(ListView listView) {
String selectionText = "";
Sequence<Span> selectedRanges = listView.getSelectedRanges();
for (int i = 0, n = selectedRanges.getLength(); i < n; i++) {
Span selectedRange = selectedRanges.get(i);
for (int j = selectedRange.getStart();
j <= selectedRange.getEnd();
j++) {
if (selectionText.length() > 0) {
selectionText += ", ";
}
String text = (String)listView.getListData().get(j);
selectionText += text;
}
}
selectionLabel.setText(selectionText);
}
});
window = new Window();
window.setContent(content);
window.setMaximized(true);
window.open(display);
}
public boolean shutdown(boolean optional) {
window.close();
return true;
}
public void suspend() {
}
public void resume() {
}
}