FontChooser by Noah w : JDialog « Swing « Java Tutorial






/* This code was found posted on a forum without any copyright
 * restrictions. It was written by someone named Noah W.
 * That's all I know */

/* I have modified the original code but claim no copyright on it of any kind */


/*
This file is part of BORG.

    BORG is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    BORG is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with BORG; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

Copyright 2003 by Mike Berger
 */


import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Enumeration;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.plaf.FontUIResource;


//
// FontChooser by Noah w.
//

public class NwFontChooserS extends JDialog {
    String[] styleList = new String[] { "Plain", "Bold", "Italic" };
    String[] sizeList =
    new String[] {
        "3",
        "4",
        "5",
        "6",
        "7",
        "8",
        "9",
        "10",
        "11",
        "12",
        "13",
        "14",
        "15",
        "16",
        "17",
        "18",
        "19",
        "20",
        "22",
        "24",
        "27",
        "30",
        "34",
        "39",
        "45",
        "51",
        "60" };
        NwList StyleList;
        NwList FontList;
        NwList SizeList;
        static JLabel Sample = new JLabel();
        boolean ob = false;
        
        private NwFontChooserS(Frame parent, boolean modal, Font font) {
            super(parent, modal);
            initAll();
            setTitle("Font Choosr");
            if (font == null)
                font = Sample.getFont();
            FontList.setSelectedItem(font.getName());
            SizeList.setSelectedItem(font.getSize() + "");
            StyleList.setSelectedItem(styleList[font.getStyle()]);
            
        }
        public static Font showDialog(Frame parent, String s, Font font) {
            NwFontChooserS fd = new NwFontChooserS(parent, true, font);
            if (s != null)
                fd.setTitle(s);
            fd.setVisible(true);
            Font fo = null;
            if (fd.ob)
                fo = Sample.getFont();
            fd.dispose();
            return (fo);
        }
        private void initAll() {
            getContentPane().setLayout(null);
            setBounds(50, 50, 450, 450);
            addLists();
            addButtons();
            Sample.setBounds(10, 320, 415, 25);
            Sample.setForeground(Color.black);
            getContentPane().add(Sample);
            addWindowListener(new WindowAdapter() {
                public void windowClosing(WindowEvent e) {
                    setVisible(false);
                }
            });
        }
        private void addLists() {
            FontList =
            new NwList(
            GraphicsEnvironment
            .getLocalGraphicsEnvironment()
            .getAvailableFontFamilyNames());
            StyleList = new NwList(styleList);
            SizeList = new NwList(sizeList);
            FontList.setBounds(10, 10, 260, 295);
            StyleList.setBounds(280, 10, 80, 295);
            SizeList.setBounds(370, 10, 40, 295);
            getContentPane().add(FontList);
            getContentPane().add(StyleList);
            getContentPane().add(SizeList);
        }
        private void addButtons() {
            JButton ok = new JButton("OK");
            ok.setMargin(new Insets(0, 0, 0, 0));
            JButton ca = new JButton("Cancel");
            ca.setMargin(new Insets(0, 0, 0, 0));
            ok.setBounds(260, 350, 70, 20);
            ok.setFont(new Font(" ", 1, 11));
            ca.setBounds(340, 350, 70, 20);
            ca.setFont(new Font(" ", 1, 12));
            getContentPane().add(ok);
            getContentPane().add(ca);
            ok.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    setVisible(false);
                    ob = true;
                }
            });
            ca.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    setVisible(false);
                    ob = false;
                }
            });
        }
        private void showSample() {
            int g = 0;
            try {
                g = Integer.parseInt(SizeList.getSelectedValue());
            }
            catch (NumberFormatException nfe) {
            }
            String st = StyleList.getSelectedValue();
            int s = Font.PLAIN;
            if (st.equalsIgnoreCase("Bold"))
                s = Font.BOLD;
            if (st.equalsIgnoreCase("Italic"))
                s = Font.ITALIC;
            Sample.setFont(new Font(FontList.getSelectedValue(), s, g));
            Sample.setText("The quick brown fox jumped over the lazy dog.");
        }
        //////////////////////////////////////////////////////////////////////
        private class NwList extends JPanel {
            JList jl;
            JScrollPane sp;
            JLabel jt;
            String si = " ";
            
            public NwList(String[] values) {
                setLayout(null);
                jl = new JList(values);
                sp = new JScrollPane(jl);
                jt = new JLabel();
                jt.setBackground(Color.white);
                jt.setForeground(Color.black);
                jt.setOpaque(true);
                jt.setBorder(new JTextField().getBorder());
                jt.setFont(getFont());
                jl.setBounds(0, 0, 100, 1000);
                jl.setBackground(Color.white);
                jl.addListSelectionListener(new ListSelectionListener() {
                    public void valueChanged(ListSelectionEvent e) {
                        jt.setText((String) jl.getSelectedValue());
                        si = (String) jl.getSelectedValue();
                        showSample();
                    }
                });
                add(sp);
                add(jt);
            }
            public String getSelectedValue() {
                return (si);
            }
            public void setSelectedItem(String s) {
                jl.setSelectedValue(s, true);
            }
            public void setBounds(int x, int y, int w, int h) {
                super.setBounds(x, y, w, h);
                sp.setBounds(0, y + 12, w, h - 23);
                sp.revalidate();
                jt.setBounds(0, 0, w, 20);
            }
        }
        
        static public String fontString(Font font) {
            String fs = font.getFamily();
            if( !font.isPlain() ) {
                fs += "-";
                if( font.isBold()) {
                    fs += "BOLD";
                }
                if( font.isItalic()) {
                    fs += "ITALIC";
                }
            }
            fs += "-" + font.getSize();
            return(fs);
        }
        
        static public void setDefaultFont(Font f ) {
            FontUIResource fui = new FontUIResource(f);
            Enumeration<Object> keys = UIManager.getDefaults().keys();
            while (keys.hasMoreElements()) {
                Object key = keys.nextElement();
                Object value = UIManager.get(key);
                if (value instanceof FontUIResource)
                    UIManager.put(key, fui);
            }
            
        }
        
        public static void main(String args[]) {
            Font font = null;
            font = NwFontChooserS.showDialog(null, null, null);
            
            System.out.println(fontString(font));
        }
}








14.74.JDialog
14.74.1.Dialog Introduction
14.74.2.A Simple Modal DialogA Simple Modal Dialog
14.74.3.JDialog is specify that pressing the Escape key cancels the dialog.JDialog is specify that pressing the Escape key cancels the dialog.
14.74.4.Address DialogAddress Dialog
14.74.5.Set Default Close Operation for Dialog
14.74.6.Extending JDialog
14.74.7.extends JDialog to create your own dialog
14.74.8.The base class for standard dialogs.
14.74.9.A dialog that presents the user with a sequence of steps for completing a task.
14.74.10.Positions the specified dialog at a position relative to its parent.
14.74.11.A dialog allow selection and a font and its associated info.
14.74.12.Font Chooser extends javax.swing.JDialog
14.74.13.FontChooser by Noah w
14.74.14.Dialog Panel