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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 /**
     18  * @author Michael Danilov
     19  * @version $Revision$
     20  */
     21 package java.awt.event;
     22 
     23 import java.awt.AWTEvent;
     24 import java.awt.Component;
     25 
     26 /**
     27  * This class is not supported in Android 1.0. It is merely provided to maintain
     28  * interface compatibility with desktop Java implementations.
     29  *
     30  * @since Android 1.0
     31  */
     32 public class ComponentEvent extends AWTEvent {
     33 
     34     private static final long serialVersionUID = 8101406823902992965L;
     35 
     36     public static final int COMPONENT_FIRST = 100;
     37 
     38     public static final int COMPONENT_LAST = 103;
     39 
     40     public static final int COMPONENT_MOVED = 100;
     41 
     42     public static final int COMPONENT_RESIZED = 101;
     43 
     44     public static final int COMPONENT_SHOWN = 102;
     45 
     46     public static final int COMPONENT_HIDDEN = 103;
     47 
     48     public ComponentEvent(Component source, int id) {
     49         super(source, id);
     50     }
     51 
     52     public Component getComponent() {
     53         return (Component) source;
     54     }
     55 
     56     @Override
     57     public String paramString() {
     58         /* The format is based on 1.5 release behavior
     59          * which can be revealed by the following code:
     60          *
     61          * ComponentEvent e = new ComponentEvent(new Button("Button"),
     62          *          ComponentEvent.COMPONENT_SHOWN);
     63          * System.out.println(e);
     64          */
     65 
     66         String idString = null;
     67         Component c = getComponent();
     68 
     69         switch (id) {
     70         case COMPONENT_MOVED:
     71             idString = "COMPONENT_MOVED"; //$NON-NLS-1$
     72             break;
     73         case COMPONENT_RESIZED:
     74             idString = "COMPONENT_RESIZED"; //$NON-NLS-1$
     75             break;
     76         case COMPONENT_SHOWN:
     77             return "COMPONENT_SHOWN"; //$NON-NLS-1$
     78         case COMPONENT_HIDDEN:
     79             return "COMPONENT_HIDDEN"; //$NON-NLS-1$
     80         default:
     81             return "unknown type"; //$NON-NLS-1$
     82         }
     83 
     84         return (idString + " (" + c.getX() + "," + c.getY() +  //$NON-NLS-1$ //$NON-NLS-2$
     85                 " " + c.getWidth()+ "x" + c.getHeight() + ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
     86     }
     87 
     88 }
     89