ekit/com/hexidec/ekit/component/FontSelectorDialog.java

   1 /*
   2 GNU Lesser General Public License
   3
   4 FontSelectorDialog
   5 Copyright (C) 2003 Howard Kistler
   6
   7 This library is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU Lesser General Public
   9 License as published by the Free Software Foundation; either
  10 version 2.1 of the License, or (at your option) any later version.
  11
  12 This library is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 Lesser General Public License for more details.
  16
  17 You should have received a copy of the GNU Lesser General Public
  18 License along with this library; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22 package com.hexidec.ekit.component;
  23
  24 import java.awt.Frame;
  25 import java.awt.GraphicsEnvironment;
  26 import java.awt.Insets;
  27 import java.awt.event.ActionEvent;
  28 import java.awt.event.ActionListener;
  29 import java.awt.event.ItemEvent;
  30 import java.awt.event.ItemListener;
  31 import java.awt.event.WindowAdapter;
  32 import java.awt.event.WindowEvent;
  33 import java.beans.PropertyChangeEvent;
  34 import java.beans.PropertyChangeListener;
  35 import java.util.Vector;
  36 import javax.swing.JComboBox;
  37 import javax.swing.JDialog;
  38 import javax.swing.JOptionPane;
  39 import javax.swing.JTextPane;
  40 import javax.swing.text.html.HTMLDocument;
  41 import javax.swing.text.html.HTMLEditorKit;
  42
  43 import com.hexidec.util.Translatrix;
  44
  45 /** Class for providing a dialog that lets the user specify values for tag attributes
  46   */
  47 public class FontSelectorDialog extends JDialog implements ItemListener
  48 {
  49         private Vector vcFontnames = (Vector)null;
  50         private final JComboBox jcmbFontlist;
  51         private String fontName = new String();
  52         private JOptionPane jOptionPane;
  53         private final JTextPane jtpFontPreview;
  54         private String defaultText;
  55
  56         public FontSelectorDialog(Frame parent, String title, boolean bModal, String attribName, String demoText)
  57         {
  58                 super(parent, title, bModal);
  59
  60                 if(demoText != null && demoText.length() > 0)
  61                 {
  62                         if(demoText.length() > 24)
  63                         {
  64                                 defaultText = demoText.substring(0, 24);
  65                         }
  66                         else
  67                         {
  68                                 defaultText = demoText;
  69                         }
  70                 }
  71                 else
  72                 {
  73                         defaultText = "aAbBcCdDeEfFgGhH,.0123";
  74                 }
  75
  76                 /* Obtain available fonts */
  77                 String[] fonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
  78                 vcFontnames = new Vector(fonts.length - 5);
  79                 for(int i = 0; i < fonts.length; i++)
  80                 {
  81                         if(!fonts[i].equals("Dialog") && !fonts[i].equals("DialogInput") && !fonts[i].equals("Monospaced") && !fonts[i].equals("SansSerif") && !fonts[i].equals("Serif"))
  82                         {
  83                                 vcFontnames.add(fonts[i]);
  84                         }
  85                 }
  86                 jcmbFontlist = new JComboBox(vcFontnames);
  87                 jcmbFontlist.addItemListener(this);
  88
  89                 jtpFontPreview = new JTextPane();
  90                 final HTMLEditorKit kitFontPreview = new HTMLEditorKit();
  91                 final HTMLDocument docFontPreview = (HTMLDocument)(kitFontPreview.createDefaultDocument());
  92                 jtpFontPreview.setEditorKit(kitFontPreview);
  93                 jtpFontPreview.setDocument(docFontPreview);
  94                 jtpFontPreview.setMargin(new Insets(4, 4, 4, 4));
  95                 jtpFontPreview.setBounds(0, 0, 120, 18);
  96                 jtpFontPreview.setText(getFontSampleString(defaultText));
  97                 Object[] panelContents = { attribName, jcmbFontlist, Translatrix.getTranslationString("FontSample"), jtpFontPreview };
  98                 final Object[] buttonLabels = { Translatrix.getTranslationString("DialogAccept"), Translatrix.getTranslationString("DialogCancel") };
  99
 100                 jOptionPane = new JOptionPane(panelContents, JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION, null, buttonLabels, buttonLabels[0]);
 101                 setContentPane(jOptionPane);
 102                 setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
 103
 104                 addWindowListener(new WindowAdapter() {
 105                         public void windowClosing(WindowEvent we)
 106                         {
 107                                 jOptionPane.setValue(new Integer(JOptionPane.CLOSED_OPTION));
 108                         }
 109                 });
 110
 111                 jOptionPane.addPropertyChangeListener(new PropertyChangeListener() {
 112                         public void propertyChange(PropertyChangeEvent e)
 113                         {
 114                                 String prop = e.getPropertyName();
 115                                 if(isVisible()
 116                                         && (e.getSource() == jOptionPane)
 117                                         && (prop.equals(JOptionPane.VALUE_PROPERTY) || prop.equals(JOptionPane.INPUT_VALUE_PROPERTY)))
 118                                 {
 119                                         Object value = jOptionPane.getValue();
 120                                         if(value == JOptionPane.UNINITIALIZED_VALUE)
 121                                         {
 122                                                 return;
 123                                         }
 124                                         jOptionPane.setValue(JOptionPane.UNINITIALIZED_VALUE);
 125                                         if(value.equals(buttonLabels[0]))
 126                                         {
 127                                                 fontName = (String)(jcmbFontlist.getSelectedItem());
 128                                                 setVisible(false);
 129                                         }
 130                                         else
 131                                         {
 132                                                 fontName = null;
 133                                                 setVisible(false);
 134                                         }
 135                                 }
 136                         }
 137                 });
 138                 this.pack();
 139                 this.show();
 140         }
 141
 142         /* ItemListener method */
 143         public void itemStateChanged(ItemEvent ie)
 144         {
 145                 if(ie.getStateChange() == ItemEvent.SELECTED)
 146                 {
 147                         jtpFontPreview.setText(getFontSampleString(defaultText));
 148                 }
 149         }
 150
 151         public FontSelectorDialog(Frame parent, String title, boolean bModal, String attribName)
 152         {
 153                 this(parent, title, bModal, attribName, "");
 154         }
 155
 156         public String getFontName()
 157         {
 158                 return fontName;
 159         }
 160
 161         private String getFontSampleString(String demoText)
 162         {
 163                 return "<HTML><BODY><FONT FACE=" + '"' + jcmbFontlist.getSelectedItem() + '"' + ">" + demoText + "</FONT></BODY></HTML>";
 164         }
 165
 166 }
 167