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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| package org.jabref.gui.util; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.function.Function; | ||
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| import javafx.collections.ListChangeListener; | ||
| import javafx.collections.ObservableList; | ||
| import javafx.collections.transformation.TransformationList; | ||
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| /** | ||
| * MappedList implementation based on https://gist.github.com/TomasMikula/8883719 | ||
| * | ||
| * @author https://github.com/TomasMikula | ||
| */ | ||
| public final class MappedList<A, B> extends TransformationList<A, B> { | ||
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| private final Function<B, A> mapper; | ||
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| public MappedList(ObservableList<? extends B> sourceList, Function<B, A> mapper) { | ||
| super(sourceList); | ||
| this.mapper = mapper; | ||
| } | ||
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| @Override | ||
| protected void sourceChanged(ListChangeListener.Change<? extends B> change) { | ||
| fireChange(new ListChangeListener.Change<A>(this) { | ||
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| @Override | ||
| public boolean wasAdded() { | ||
| return change.wasAdded(); | ||
| } | ||
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| @Override | ||
| public boolean wasRemoved() { | ||
| return change.wasRemoved(); | ||
| } | ||
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| @Override | ||
| public boolean wasReplaced() { | ||
| return change.wasReplaced(); | ||
| } | ||
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| @Override | ||
| public boolean wasUpdated() { | ||
| return change.wasUpdated(); | ||
| } | ||
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| @Override | ||
| public boolean wasPermutated() { | ||
| return change.wasPermutated(); | ||
| } | ||
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| @Override | ||
| public int getPermutation(int index) { | ||
| return change.getPermutation(index); | ||
| } | ||
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| @Override | ||
| protected int[] getPermutation() { | ||
| // This method is only called by the superclass methods | ||
| // wasPermutated() and getPermutation(int), which are | ||
| // both overridden by this class. There is no other way | ||
| // this method can be called. | ||
| throw new AssertionError("Unreachable code"); | ||
| } | ||
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| @Override | ||
| public List<A> getRemoved() { | ||
| List<A> result = new ArrayList<>(change.getRemovedSize()); | ||
| for (B element : change.getRemoved()) { | ||
| result.add(mapper.apply(element)); | ||
| } | ||
| return result; | ||
| } | ||
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| @Override | ||
| public int getFrom() { | ||
| return change.getFrom(); | ||
| } | ||
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| @Override | ||
| public int getTo() { | ||
| return change.getTo(); | ||
| } | ||
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| @Override | ||
| public boolean next() { | ||
| return change.next(); | ||
| } | ||
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| @Override | ||
| public void reset() { | ||
| change.reset(); | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public int getSourceIndex(int index) { | ||
| return index; | ||
| } | ||
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| @Override | ||
| public A get(int index) { | ||
| return mapper.apply(super.getSource().get(index)); | ||
| } | ||
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| @Override | ||
| public int size() { | ||
| return super.getSource().size(); | ||
| } | ||
| } |