src/main/java/dev/kske/undoredo/ChangeManager.java

@@ -3,7 +3,11 @@ package dev.kske.undoredo;
 import java.util.*;
 
 /**
- * @param <C> the change types to store in this change manager
+ * A change manager keeps track of subsequent changes and allows un- and redoing them. A specific
+ * change can be marked using {@link #mark()} to keep track of a saved state in the application that
+ * uses the manager.
+ *
+ * @param <C> the change type to store in this change manager
  * @author Maximilian K&auml;fer
  * @since 0.0.1
  */
@@ -15,8 +19,8 @@ public final class ChangeManager<C extends Change> {
 	private int	markedIndex;
 
 	/**
-	 * Adds a change to the changes list.
+	 * Applies the given change and appends it to the change list.
-	 * 
+	 *
 	 * @param change the change to add
 	 * @since 0.0.1
 	 */
@@ -26,9 +30,9 @@ public final class ChangeManager<C extends Change> {
 	}
 
 	/**
-	 * Undoes the change at the current index position.
+	 * Undoes the current change.
-	 * 
+	 *
-	 * @return whether the operation could be executed due to one being currently available
+	 * @return whether an action was performed
 	 * @since 0.1.0
 	 */
 	public boolean undo() {
@@ -42,8 +46,8 @@ public final class ChangeManager<C extends Change> {
 
 	/**
 	 * Applies the change that was undone before.
-	 * 
+	 *
-	 * @return whether the operation could be executed due to one being currently available
+	 * @return whether an action was performed
 	 * @since 0.0.1
 	 */
 	public boolean redo() {
@@ -56,8 +60,8 @@ public final class ChangeManager<C extends Change> {
 	}
 
 	/**
-	 * Marks the current index.
+	 * Marks the current change.
-	 * 
+	 *
 	 * @since 0.0.1
 	 */
 	public void mark() {
@@ -65,7 +69,7 @@ public final class ChangeManager<C extends Change> {
 	}
 
 	/**
-	 * @return whether the current index was marked
+	 * @return whether the current change is marked
 	 * @since 0.0.1
 	 */
 	public boolean isAtMarkedIndex() {
@@ -73,7 +77,7 @@ public final class ChangeManager<C extends Change> {
 	}
 
 	/**
-	 * @return whether the undo operation is currently available
+	 * @return whether a change is present that can be undone
 	 * @since 0.0.1
 	 */
 	public boolean isUndoAvailable() {
@@ -81,7 +85,7 @@ public final class ChangeManager<C extends Change> {
 	}
 
 	/**
-	 * @return whether the redo operation is currently available.
+	 * @return whether a change is present that can be redone
 	 * @since 0.0.1
 	 */
 	public boolean isRedoAvailable() {
@@ -90,7 +94,7 @@ public final class ChangeManager<C extends Change> {
 
 	/**
 	 * Provides an unmodifiable view of the changes stored in this change manager.
-	 * 
+	 *
 	 * @return all stored changes
 	 * @since 0.0.1
 	 */