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3 changed files with
52 additions and
5 deletions
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@ -0,0 +1,47 @@
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package dev.kske.undoredo.core;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* @author Kai S. K. Engelbart
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* @since 0.2.0
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*/
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public final class AggregateChange<C extends Change> implements Change {
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private final List<C> changes = new ArrayList<>();
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@SafeVarargs
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public AggregateChange(C... changes) {
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this(Arrays.asList(changes));
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}
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public AggregateChange(Collection<C> changes) {
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changes.addAll(changes);
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}
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@Override
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public void apply() {
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changes.forEach(Change::apply);
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}
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@Override
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public Change invert() {
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List<Change> invertedChanges =
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changes
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.parallelStream()
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.map(Change::invert)
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.collect(Collectors.toList());
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Collections.reverse(invertedChanges);
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return new AggregateChange<>(invertedChanges);
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}
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@Override
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public boolean isIdentity() {
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return changes.stream().allMatch(Change::isIdentity);
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}
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public List<C> changes() {
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return Collections.unmodifiableList(changes);
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}
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}
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@ -1,7 +1,7 @@
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package dev.kske.undoredo.core;
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/**
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* Base interface for changes to be registered in an undo manager.
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* Base interface for changes to be registered in a change manager.
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*
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* @author Maximilian Käfer
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* @since 0.0.1
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@ -28,13 +28,13 @@ public class ChangeManagerWrapper<C extends Change, M extends ChangeManager<C>>
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public static final String UNDO_AVAILABLE = "undoAvailable";
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public static final String REDO_AVAILABLE = "redoAvailable";
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protected ReadOnlyObjectWrapper<C> lastChange =
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protected final ReadOnlyObjectWrapper<C> lastChange =
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new ReadOnlyObjectWrapper<>(this, LAST_CHANGE);
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protected ReadOnlyBooleanWrapper atMarkedChange =
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protected final ReadOnlyBooleanWrapper atMarkedChange =
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new ReadOnlyBooleanWrapper(this, AT_MARKED_CHANGE);
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protected ReadOnlyBooleanWrapper undoAvailable =
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protected final ReadOnlyBooleanWrapper undoAvailable =
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new ReadOnlyBooleanWrapper(this, UNDO_AVAILABLE);
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protected ReadOnlyBooleanWrapper redoAvailable =
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protected final ReadOnlyBooleanWrapper redoAvailable =
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new ReadOnlyBooleanWrapper(this, REDO_AVAILABLE);
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protected final M manager;
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