| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.internal.gestures; |
| |
| import java.util.Arrays; |
| |
| import org.eclipse.ui.internal.util.Util; |
| |
| public final class CaptureEvent implements Comparable { |
| |
| private final static int HASH_FACTOR = 89; |
| private final static int HASH_INITIAL = |
| CaptureEvent.class.getName().hashCode(); |
| |
| public static CaptureEvent create(int data, int pen, Point[] points) { |
| return new CaptureEvent(data, pen, points); |
| } |
| |
| private int data; |
| private int pen; |
| private Point[] points; |
| |
| private CaptureEvent(int data, int pen, Point[] points) { |
| super(); |
| this.data = data; |
| this.pen = pen; |
| |
| if (points == null) |
| throw new NullPointerException(); |
| |
| points = (Point[]) points.clone(); |
| |
| for (int i = 0; i < points.length; i++) |
| if (points[i] == null) |
| throw new IllegalArgumentException(); |
| |
| this.points = points; |
| } |
| |
| public int compareTo(Object object) { |
| CaptureEvent castedObject = (CaptureEvent) object; |
| int compareTo = data - castedObject.data; |
| |
| if (compareTo == 0) { |
| compareTo = pen - castedObject.pen; |
| |
| if (compareTo == 0) |
| compareTo = Util.compare(points, castedObject.points); |
| } |
| |
| return compareTo; |
| } |
| |
| public boolean equals(Object object) { |
| if (!(object instanceof CaptureEvent)) |
| return false; |
| |
| CaptureEvent castedObject = (CaptureEvent) object; |
| return data == castedObject.data |
| && pen == castedObject.pen |
| && Arrays.equals(points, castedObject.points); |
| } |
| |
| public int getData() { |
| return data; |
| } |
| |
| public int getPen() { |
| return pen; |
| } |
| |
| public Point[] getPoints() { |
| return (Point[]) points.clone(); |
| } |
| |
| public int hashCode() { |
| int result = HASH_INITIAL; |
| result = result * HASH_FACTOR + data; |
| result = result * HASH_FACTOR + pen; |
| |
| for (int i = 0; i < points.length; i++) |
| result = result * HASH_FACTOR + points[i].hashCode(); |
| |
| return result; |
| } |
| } |