52 lines
1.1 KiB
Java
52 lines
1.1 KiB
Java
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package net.filebot.util;
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import java.util.List;
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import ca.odell.glazedlists.EventList;
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import ca.odell.glazedlists.event.ListEvent;
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import ca.odell.glazedlists.event.ListEventListener;
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public class ListChangeSynchronizer<E> implements ListEventListener<E> {
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private final List<E> target;
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public ListChangeSynchronizer(EventList<E> source, List<E> target) {
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this.target = target;
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source.addListEventListener(this);
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}
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@Override
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public void listChanged(ListEvent<E> listChanges) {
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EventList<E> source = listChanges.getSourceList();
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// update target list
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while (listChanges.next()) {
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int index = listChanges.getIndex();
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int type = listChanges.getType();
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switch (type) {
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case ListEvent.INSERT:
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target.add(index, source.get(index));
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break;
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case ListEvent.UPDATE:
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target.set(index, source.get(index));
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break;
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case ListEvent.DELETE:
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target.remove(index);
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break;
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}
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}
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}
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public static <E> ListChangeSynchronizer<E> syncEventListToList(EventList<E> source, List<E> target) {
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return new ListChangeSynchronizer<E>(source, target);
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}
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}
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