Source for org.jfree.ui.StrokeChooserPanel

   1: /* ========================================================================
   2:  * JCommon : a free general purpose class library for the Java(tm) platform
   3:  * ========================================================================
   4:  *
   5:  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   6:  * 
   7:  * Project Info:  http://www.jfree.org/jcommon/index.html
   8:  *
   9:  * This library is free software; you can redistribute it and/or modify it 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  * 
  27:  * -----------------------
  28:  * StrokeChooserPanel.java
  29:  * -----------------------
  30:  * (C) Copyright 2000-2004, by Object Refinery Limited.
  31:  *
  32:  * Original Author:  David Gilbert (for Object Refinery Limited);
  33:  * Contributor(s):   Dirk Zeitz;
  34:  *
  35:  * $Id: StrokeChooserPanel.java,v 1.5 2005/11/16 15:58:41 taqua Exp $
  36:  *
  37:  * Changes (from 26-Oct-2001)
  38:  * --------------------------
  39:  * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
  40:  * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
  41:  * 16-Mar-2004 : Fix for focus problems (DZ);
  42:  *
  43:  */
  44: 
  45: package org.jfree.ui;
  46: 
  47: import java.awt.BasicStroke;
  48: import java.awt.BorderLayout;
  49: import java.awt.Stroke;
  50: import java.awt.event.ActionEvent;
  51: import java.awt.event.ActionListener;
  52: 
  53: import javax.swing.JComboBox;
  54: import javax.swing.JPanel;
  55: 
  56: /**
  57:  * A component for choosing a stroke from a list of available strokes.  This class needs work.
  58:  *
  59:  * @author David Gilbert
  60:  */
  61: public class StrokeChooserPanel extends JPanel {
  62: 
  63:     /** A combo for selecting the stroke. */
  64:     private JComboBox selector;
  65: 
  66:     /**
  67:      * Creates a panel containing a combo-box that allows the user to select
  68:      * one stroke from a list of available strokes.
  69:      *
  70:      * @param current  the current stroke sample.
  71:      * @param available  an array of 'available' stroke samples.
  72:      */
  73:     public StrokeChooserPanel(final StrokeSample current, final StrokeSample[] available) {
  74:         setLayout(new BorderLayout());
  75:         this.selector = new JComboBox(available);
  76:         this.selector.setSelectedItem(current);
  77:         this.selector.setRenderer(new StrokeSample(new BasicStroke(1)));
  78:         add(this.selector);
  79:         // Changes due to focus problems!! DZ
  80:         this.selector.addActionListener(new ActionListener() {
  81:             public void actionPerformed(final ActionEvent evt) {
  82:                 getSelector().transferFocus();
  83:             }
  84:         });
  85:     }
  86: 
  87:     
  88:     /**
  89:      * Returns the selector component.
  90:      *
  91:      * @return Returns the selector.
  92:      */
  93:     protected final JComboBox getSelector()
  94:     {
  95:       return selector;
  96:     }
  97:     
  98:     /**
  99:      * Returns the selected stroke.
 100:      *
 101:      * @return the selected stroke.
 102:      */
 103:     public Stroke getSelectedStroke() {
 104:         final StrokeSample sample = (StrokeSample) this.selector.getSelectedItem();
 105:         return sample.getStroke();
 106:     }
 107: 
 108: }