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105 changes: 105 additions & 0 deletions
105
...efaults/src/main/java/org/genericsystem/defaults/tools/ObservableListWrapperExtended.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package org.genericsystem.defaults.tools; | ||
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| import java.lang.ref.WeakReference; | ||
| import java.util.ArrayList; | ||
| import java.util.function.BiConsumer; | ||
| import java.util.function.Consumer; | ||
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| import com.sun.javafx.collections.ObservableListWrapper; | ||
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| import javafx.beans.Observable; | ||
| import javafx.collections.ListChangeListener; | ||
| import javafx.collections.ObservableList; | ||
| import javafx.util.Callback; | ||
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| public class ObservableListWrapperExtended<E> extends ObservableListWrapper<E> implements ListChangeListener<E> { | ||
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| private final BiConsumer<Integer, E> addBiConsumer; | ||
| private final ObservableList<E> external; | ||
| private final Consumer<Integer> removeConsumer; | ||
| private BindingHelperObserver<E> observer; | ||
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| public final void bind() { | ||
| if (observer == null) | ||
| observer = new BindingHelperObserver<>(this); | ||
| external.addListener(observer); | ||
| } | ||
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| public final void unbind() { | ||
| if (observer != null) | ||
| external.removeListener(observer); | ||
| observer = null; | ||
| } | ||
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| public BiConsumer<Integer, E> getAddBiConsumer() { | ||
| return addBiConsumer; | ||
| } | ||
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| public Consumer<Integer> getRemoveConsumer() { | ||
| return removeConsumer; | ||
| } | ||
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| public static class BindingHelperObserver<E> implements ListChangeListener<E> { | ||
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| private final WeakReference<ObservableListWrapperExtended<E>> ref; | ||
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| public BindingHelperObserver(ObservableListWrapperExtended<E> transformationList) { | ||
| if (transformationList == null) { | ||
| throw new NullPointerException("Binding has to be specified."); | ||
| } | ||
| ref = new WeakReference<ObservableListWrapperExtended<E>>(transformationList); | ||
| } | ||
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| @Override | ||
| public void onChanged(Change<? extends E> change) { | ||
| final ObservableListWrapperExtended<E> binding = ref.get(); | ||
| if (binding == null) { | ||
| change.getList().removeListener(this); | ||
| } else { | ||
| binding.onChanged(change); | ||
| } | ||
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| } | ||
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| } | ||
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| public ObservableListWrapperExtended(ObservableList<E> external, Callback<E, Observable[]> extractor) { | ||
| super(new ArrayList<>(), extractor); | ||
| this.external = external; // prevents of listener garbage collection | ||
| this.addBiConsumer = (index, src) -> add(index, src); | ||
| this.removeConsumer = index -> remove(index.intValue()); | ||
| bind(); | ||
| int i = 0; | ||
| beginChange(); | ||
| for (E element : external) | ||
| getAddBiConsumer().accept(i++, element); | ||
| endChange(); | ||
| } | ||
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| @Override | ||
| public void onChanged(Change<? extends E> change) { | ||
| System.out.println("------------- onChange dans ObservableListWrapperExtended"); | ||
| while (change.next()) { | ||
| beginChange(); | ||
| if (change.wasPermutated()) { | ||
| assert false;// Not tested after | ||
| for (int i = change.getFrom(); i < change.getTo(); i++) | ||
| getRemoveConsumer().accept(change.getFrom()); | ||
| int index = change.getFrom(); | ||
| for (E source : change.getList().subList(change.getFrom(), change.getTo())) | ||
| getAddBiConsumer().accept(index++, source); | ||
| } else { | ||
| if (change.wasRemoved()) { | ||
| for (int i = 0; i < change.getRemovedSize(); i++) | ||
| getRemoveConsumer().accept(change.getFrom()); | ||
| } | ||
| if (change.wasAdded()) { | ||
| int index = change.getFrom(); | ||
| for (E source : change.getAddedSubList()) | ||
| getAddBiConsumer().accept(index++, source); | ||
| } | ||
| } | ||
| endChange(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,7 @@ | ||
| html, body,input,section,header,footer { | ||
| margin: 0; | ||
| padding: 0; | ||
| border: 0; | ||
| } | ||
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| body { | ||
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