zdm/undo-redo
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Basic API Structure #2

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kske merged 12 commits from f/basics into develop 2021-12-11 21:45:59 +01:00
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1 changed files with 4 additions and 3 deletions
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src/main/java/dev/kske/undoredo/ChangeManager.java
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@ -15,8 +15,8 @@ public final class ChangeManager<C extends Change> {
private final List<C> changes = new LinkedList<>(); private final List<C> changes = new LinkedList<>();
private int index; private int index = -1;
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kske commented 2021-12-07 21:14:39 +01:00
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"Applies the given change and appends it to the change list."

"Applies the given change and appends it to the change list."
private int markedIndex; private int markedIndex = -1;
/** /**
* Applies the given change and appends it to the change list. * Applies the given change and appends it to the change list.
@ -27,6 +27,7 @@ public final class ChangeManager<C extends Change> {
public void addChange(C change) { public void addChange(C change) {
change.apply(); change.apply();
changes.add(change); changes.add(change);
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kske commented 2021-12-07 21:16:59 +01:00
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"Undoes the current change."

"Undoes the current change."
++index;
} }
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kske commented 2021-12-07 21:18:20 +01:00
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"whether an action was performed"

"whether an action was performed"
/** /**
@ -81,7 +82,7 @@ public final class ChangeManager<C extends Change> {
* @since 0.0.1 * @since 0.0.1
*/ */
public boolean isUndoAvailable() { public boolean isUndoAvailable() {
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kske commented 2021-12-07 21:20:41 +01:00
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"whether a change is present that can be redone"

"whether a change is present that can be redone"
return index > 0; return index > -1;
} }
/** /**