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package org.glassfish.jersey.examples.aggregator;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.DefaultListModel;
import javax.swing.JList;
import javax.swing.KeyStroke;
/**
* TODO: javadoc.
*
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public final class RemoveSelectedListItemsAction extends AbstractAction {
private final JList list;
private final DefaultListModel listModel;
public RemoveSelectedListItemsAction(JList list, DefaultListModel model) {
if (list == null || model == null) {
throw new NullPointerException("Bound JList component and it's model must not be null.");
}
this.list = list;
this.listModel = model;
putValue(NAME, "Delete");
putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0));
}
@Override
public void actionPerformed(ActionEvent e) {
removeSelectedListItems();
}
private void removeSelectedListItems() {
Object[] selectedValues = list.getSelectedValues();
boolean itemsSelected = selectedValues.length > 0;
if (itemsSelected && confirmRemove()) {
for (Object selectedValue : selectedValues) {
listModel.removeElement(selectedValue);
}
}
}
private boolean confirmRemove() {
// E.g. JOptionPane-Confirm-Dialog
return true;
}
}