1 /*
   2  * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package javax.swing.plaf.synth;
  26 
  27 import javax.swing.JComponent;
  28 
  29 /**
  30  * Factory used for obtaining <code>SynthStyle</code>s.  Each of the
  31  * Synth <code>ComponentUI</code>s will call into the current
  32  * <code>SynthStyleFactory</code> to obtain a <code>SynthStyle</code>
  33  * for each of the distinct regions they have.
  34  * <p>
  35  * The following example creates a custom <code>SynthStyleFactory</code>
  36  * that returns a different style based on the <code>Region</code>:
  37  * <pre>
  38  * class MyStyleFactory extends SynthStyleFactory {
  39  *     public SynthStyle getStyle(JComponent c, Region id) {
  40  *         if (id == Region.BUTTON) {
  41  *             return buttonStyle;
  42  *         }
  43  *         else if (id == Region.TREE) {
  44  *             return treeStyle;
  45  *         }
  46  *         return defaultStyle;
  47  *     }
  48  * }
  49  * SynthLookAndFeel laf = new SynthLookAndFeel();
  50  * UIManager.setLookAndFeel(laf);
  51  * SynthLookAndFeel.setStyleFactory(new MyStyleFactory());
  52  * </pre>
  53  *
  54  * @see SynthStyleFactory
  55  * @see SynthStyle
  56  *
  57  * @since 1.5
  58  * @author Scott Violet
  59  */
  60 public abstract class SynthStyleFactory {
  61     /**
  62      * Creates a <code>SynthStyleFactory</code>.
  63      */
  64     public SynthStyleFactory() {
  65     }
  66 
  67     /**
  68      * Returns the style for the specified Component.
  69      *
  70      * @param c Component asking for
  71      * @param id Region identifier
  72      * @return SynthStyle for region.
  73      */
  74     public abstract SynthStyle getStyle(JComponent c, Region id);
  75 }
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