zdm/undo-redo
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Add change manager unmarking
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Kai S. K. Engelbart 2021-12-23 10:00:48 +02:00
parent fa5c2419bf
commit 0fc3577750
Signed by: kske
GPG Key ID: 8BEB13EC5DF7EF13
5 changed files with 55 additions and 21 deletions
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9
core/src/main/java/dev/kske/undoredo/core/ChangeManager.java
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@ -55,11 +55,18 @@ public interface ChangeManager<C extends Change> {
*/ */
void mark(); void mark();
/**
* Resets the marked index so that no change is marked.
*
* @since 0.0.1
*/
void unmark();
/** /**
* @return whether the current change is marked * @return whether the current change is marked
* @since 0.0.1 * @since 0.0.1
*/ */
boolean isAtMarkedIndex(); boolean isAtMarkedChange();
/** /**
* @return whether a change is present that can be undone * @return whether a change is present that can be undone

7
core/src/main/java/dev/kske/undoredo/core/UnlimitedChangeManager.java
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@ -53,7 +53,12 @@ public final class UnlimitedChangeManager<C extends Change> implements ChangeMan
} }
@Override @Override
public boolean isAtMarkedIndex() { public void unmark() {
markedIndex = -1;
}
@Override
public boolean isAtMarkedChange() {
return markedIndex == index; return markedIndex == index;
} }

24
core/src/test/java/dev/kske/undoredo/core/ChangeManagerTest.java
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@ -108,12 +108,28 @@ class ChangeManagerTest {
@Test @Test
@Order(60) @Order(60)
void testMark() { void testMark() {
assertTrue(manager.isAtMarkedIndex()); assertTrue(manager.isAtMarkedChange());
manager.addChange(change); manager.addChange(change);
assertFalse(manager.isAtMarkedIndex()); assertFalse(manager.isAtMarkedChange());
manager.mark(); manager.mark();
assertTrue(manager.isAtMarkedIndex()); assertTrue(manager.isAtMarkedChange());
manager.undo(); manager.undo();
assertFalse(manager.isAtMarkedIndex()); assertFalse(manager.isAtMarkedChange());
}
/**
* Tests unmarking a change.
*
* @since 0.0.1
*/
@Test
@Order(70)
void testUnmark() {
manager.addChange(change);
manager.mark();
manager.unmark();
assertFalse(manager.isAtMarkedChange());
manager.undo();
assertTrue(manager.isAtMarkedChange());
} }
} }

24
javafx/src/main/java/dev/kske/undoredo/javafx/ChangeManagerWrapper.java
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@ -24,14 +24,14 @@ public class ChangeManagerWrapper<C extends Change, M extends ChangeManager<C>>
implements ObservableChangeManager<C> { implements ObservableChangeManager<C> {
public static final String LAST_CHANGE = "lastChange"; public static final String LAST_CHANGE = "lastChange";
public static final String AT_MARKED_INDEX = "atMarkedIndex"; public static final String AT_MARKED_CHANGE = "atMarkedChange";
public static final String UNDO_AVAILABLE = "undoAvailable"; public static final String UNDO_AVAILABLE = "undoAvailable";
public static final String REDO_AVAILABLE = "redoAvailable"; public static final String REDO_AVAILABLE = "redoAvailable";
protected ReadOnlyObjectWrapper<C> lastChange = protected ReadOnlyObjectWrapper<C> lastChange =
new ReadOnlyObjectWrapper<>(this, LAST_CHANGE); new ReadOnlyObjectWrapper<>(this, LAST_CHANGE);
protected ReadOnlyBooleanWrapper atMarkedIndex = protected ReadOnlyBooleanWrapper atMarkedChange =
new ReadOnlyBooleanWrapper(this, AT_MARKED_INDEX); new ReadOnlyBooleanWrapper(this, AT_MARKED_CHANGE);
protected ReadOnlyBooleanWrapper undoAvailable = protected ReadOnlyBooleanWrapper undoAvailable =
new ReadOnlyBooleanWrapper(this, UNDO_AVAILABLE); new ReadOnlyBooleanWrapper(this, UNDO_AVAILABLE);
protected ReadOnlyBooleanWrapper redoAvailable = protected ReadOnlyBooleanWrapper redoAvailable =
@ -76,7 +76,13 @@ public class ChangeManagerWrapper<C extends Change, M extends ChangeManager<C>>
@Override @Override
public void mark() { public void mark() {
manager.mark(); manager.mark();
setAtMarkedIndex(manager.isAtMarkedIndex()); setAtMarkedChange(manager.isAtMarkedChange());
}
@Override
public void unmark() {
manager.unmark();
setAtMarkedChange(manager.isAtMarkedChange());
} }
/** /**
@ -86,7 +92,7 @@ public class ChangeManagerWrapper<C extends Change, M extends ChangeManager<C>>
*/ */
private void updateProperties() { private void updateProperties() {
setLastChange(manager.getLastChange().orElse(null)); setLastChange(manager.getLastChange().orElse(null));
setAtMarkedIndex(manager.isAtMarkedIndex()); setAtMarkedChange(manager.isAtMarkedChange());
setUndoAvailable(manager.isUndoAvailable()); setUndoAvailable(manager.isUndoAvailable());
setRedoAvailable(manager.isRedoAvailable()); setRedoAvailable(manager.isRedoAvailable());
} }
@ -101,12 +107,12 @@ public class ChangeManagerWrapper<C extends Change, M extends ChangeManager<C>>
} }
@Override @Override
public final ReadOnlyBooleanProperty atMarkedIndexProperty() { public final ReadOnlyBooleanProperty atMarkedChangeProperty() {
return atMarkedIndex.getReadOnlyProperty(); return atMarkedChange.getReadOnlyProperty();
} }
protected final void setAtMarkedIndex(boolean atMarkedIndex) { protected final void setAtMarkedChange(boolean atMarkedChange) {
this.atMarkedIndex.set(atMarkedIndex); this.atMarkedChange.set(atMarkedChange);
} }
@Override @Override

6
javafx/src/main/java/dev/kske/undoredo/javafx/ObservableChangeManager.java
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@ -24,11 +24,11 @@ public interface ObservableChangeManager<C extends Change> extends ChangeManager
return Optional.of(lastChangeProperty().get()); return Optional.of(lastChangeProperty().get());
} }
ReadOnlyBooleanProperty atMarkedIndexProperty(); ReadOnlyBooleanProperty atMarkedChangeProperty();
@Override @Override
default boolean isAtMarkedIndex() { default boolean isAtMarkedChange() {
return atMarkedIndexProperty().get(); return atMarkedChangeProperty().get();
} }
ReadOnlyBooleanProperty undoAvailableProperty(); ReadOnlyBooleanProperty undoAvailableProperty();