IconEditor.java

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is Forte for Java, Community Edition. The Initial
 * Developer of the Original Code is Sun Microsystems, Inc. Portions
 * Copyright 1997-2000 Sun Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.form.editors2;

import java.awt.*;
import java.io.*;
import java.util.*;
import java.net.URL;

import javax.swing.*;

import org.openide.TopManager;

/**
* PropertyEditor for Icons. Depends on existing DataObject for images.
* Images must be represented by some DataObject which returns itselv
* as cookie, and has image file as a primary file. File extensions
* for images is specified in isImage method.
*
* @author Jan Jancura
*/
public class IconEditor extends Object {
    public static final int TYPE_URL = 1;
    public static final int TYPE_FILE = 2;
    public static final int TYPE_CLASSPATH = 3;

    static final String URL_PREFIX = "URL"; // NOI18N
    static final String FILE_PREFIX = "File"; // NOI18N
    static final String CLASSPATH_PREFIX = "Classpath"; // NOI18N

    public static final String BAD_ICON_NAME = "/org/netbeans/modules/form/editors2/badIcon.gif"; // NOI18N

    // innerclasses ...............................................................

    public static class NbImageIcon extends ImageIcon implements Externalizable {
        /** generated Serialized Version UID */
        static final long serialVersionUID = 7018807466471349466L;
        int type;
        String name;

        public NbImageIcon () {
        }

        NbImageIcon (URL url) {
            super (url);
            type = TYPE_URL;
        }

        NbImageIcon (String file) {
            super (file);
            type = TYPE_FILE;
        }

        String getName () {
            return name;
        }

        public void writeExternal (ObjectOutput oo) throws IOException {
            oo.writeObject (new Integer (type));
            oo.writeObject (name);
        }

        public void readExternal (ObjectInput in)
        throws IOException, ClassNotFoundException {
            type = ((Integer)in.readObject ()).intValue ();
            name = (String) in.readObject ();
            ImageIcon ii = null;
            switch (type) {
            case TYPE_URL:
                try {
                    ii = new ImageIcon (new URL (name));
                } catch (Exception e) {
                    ii = new ImageIcon (IconEditor.class.getResource (BAD_ICON_NAME));
                }
                break;
            case TYPE_FILE:
                ii = new ImageIcon (name);
                break;
            case TYPE_CLASSPATH:
                try {
                    java.net.URL url = TopManager.getDefault ().currentClassLoader ().getResource (name);
                    ii = new ImageIcon (url);
                } catch (Exception e) {
                    ii = new ImageIcon (IconEditor.class.getResource (BAD_ICON_NAME));
                    e.printStackTrace ();
                }
                break;
            }
            setImage (ii.getImage ());
        }
    }

}

/*
* Log
*  5    Gandalf   1.4         1/13/00  Ian Formanek    NOI18N #2
*  4    Gandalf   1.3         10/22/99 Ian Formanek    NO SEMANTIC CHANGE - Sun 
*       Microsystems Copyright in File Comment
*  3    Gandalf   1.2         8/17/99  Ian Formanek    Fixed bug 3431 - Forms 
*       which contain icons referring to non-existing images on Class-path fail 
*       to load.
*  2    Gandalf   1.1         6/9/99   Ian Formanek    ---- Package Change To 
*       org.openide ----
*  1    Gandalf   1.0         5/17/99  Ian Formanek    
* $
*/