2005-11-04 Roman Kennke <kennke@aicas.com>

	* examples/gnu/classpath/examples/swing/TextFieldDemo.java: New file.
	Demonstrates the JTextFields in various states.
	* examples/gnu/classpath/examples/swing/Demo.java: Replaced the
	old textfield demo with the new one.

2 files changed, 490 insertions, 7 deletions

diff --git a/examples/gnu/classpath/examples/swing/Demo.java b/examples/gnu/classpath/examples/swing/Demo.java
index 6e71af3c8..e412daa4d 100644
--- a/examples/gnu/classpath/examples/swing/Demo.java
+++ b/examples/gnu/classpath/examples/swing/Demo.java
@@ -208,7 +208,7 @@ public class Demo
 		    examples);
 
     new PopUpAction("TextField",
-		    mkTextField("Hello, World!"),
+		    (new TextFieldDemo("TextField Demo")).createContent(),
 		    examples);
 
     new PopUpAction("ColorChooser",
@@ -1075,7 +1075,7 @@ public class Demo
 		    panel);
 
     new PopUpAction("TextField",
-		    mkTextField("Hello, World!"),
+		    (new TextFieldDemo("TextField Demo")).createContent(),
 		    panel);
 
     new PopUpAction("ColorChooser",
@@ -1109,9 +1109,4 @@ public class Demo
       });
     return panel;
   }
-
-  public static JTextField mkTextField(String sometext)
-  {
-    return new JTextField(sometext, 40);
-  }
 }
diff --git a/examples/gnu/classpath/examples/swing/TextFieldDemo.java b/examples/gnu/classpath/examples/swing/TextFieldDemo.java
new file mode 100644
index 000000000..5ddf11680
--- /dev/null
+++ b/examples/gnu/classpath/examples/swing/TextFieldDemo.java
@@ -0,0 +1,488 @@
+/* TextFieldDemo.java -- An example showing various textfields in Swing.
+   Copyright (C) 2005,  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath examples.
+
+GNU Classpath 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, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+*/
+
+
+package gnu.classpath.examples.swing;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.GridLayout;
+import java.awt.Rectangle;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.DefaultCaret;
+import javax.swing.text.JTextComponent;
+
+/**
+ * A simple textfield demo showing various textfields in different states.
+ */
+public class TextFieldDemo 
+  extends JFrame
+  implements ActionListener
+{
+
+  /**
+   * A custom caret for demonstration purposes. This class is inspired by the
+   * CornerCaret from the OReilly Swing book.
+   *
+   * @author Roman Kennke (kennke@aicas.com)
+   */
+  static class CornerCaret extends DefaultCaret
+  {
+    public CornerCaret()
+    {
+      super();
+      setBlinkRate(500);
+    }
+
+    protected synchronized void damage(Rectangle r)
+    {
+      if (r == null) return;
+      x = r.x;
+      y = r.y + (r.height * 4 / 5 - 3);
+      width = 5;
+      height = 5;
+      repaint();
+    }
+
+    public void paint(Graphics g)
+    {
+      JTextComponent comp = getComponent();
+      if (comp == null) return;
+      int dot = getDot();
+      Rectangle r = null;
+      try
+        {
+          r = comp.modelToView(dot);
+        }
+      catch (BadLocationException e)
+        {
+          return;
+        }
+      if (r == null) return;
+      int dist = r.height * 4 / 5 - 3;
+      if ((x != r.x) || (y != r.y + dist))
+        {
+          repaint();
+          x = r.x;
+          y = r.y + dist;
+          width = 5;
+          height = 5;
+        }
+      if (isVisible())
+        {
+          g.drawLine(r.x, r.y + dist, r.x, r.y + dist + 4);
+          g.drawLine(r.x, r.y + dist + 4, r.x + 4, r.y + dist + 4);
+        }
+    }
+  }
+
+  /**
+   * The left aligned textfields and state buttons.
+   */
+  JTextField textfield1;
+  JTextField textfield2;  
+  JTextField textfield3;
+  JCheckBox enabled1;
+  JCheckBox editable1;
+JPanel textFieldPanel1;
+  /**
+   * The right aligned textfields and state buttons.
+   */
+  JTextField textfield4;
+  JTextField textfield5;  
+  JTextField textfield6;
+  JCheckBox enabled2;
+  JCheckBox editable2;
+
+  /**
+   * The centered textfields and state buttons.
+   */
+  JTextField textfield7;
+  JTextField textfield8;  
+  JTextField textfield9;
+  JCheckBox enabled3;
+  JCheckBox editable3;
+
+  /**
+   * The custom colored textfields and state buttons.
+   */
+  JTextField textfield10;
+  JTextField textfield11;  
+  JTextField textfield12;
+  JTextField textfield13;
+  JTextField textfield14;
+  JCheckBox enabled4;
+  JCheckBox editable4;
+
+  /**
+   * Some miscallenous textfield demos.
+   */
+  JTextField textfield15;
+  JTextField textfield16;
+  JCheckBox enabled5;
+  JCheckBox editable5;
+
+  /**
+   * Creates a new demo instance.
+   * 
+   * @param title  the frame title.
+   */
+  public TextFieldDemo(String title) 
+  {
+    super(title);
+    JPanel content = createContent();
+    JPanel closePanel = new JPanel();
+    JButton closeButton = new JButton("Close");
+    closeButton.setActionCommand("CLOSE");
+    closeButton.addActionListener(this);
+    closePanel.add(closeButton);
+    content.add(closePanel, BorderLayout.SOUTH);
+    getContentPane().add(content);
+  }
+
+  /**
+   * Returns a panel with the demo content.  The panel
+   * uses a BorderLayout(), and the BorderLayout.SOUTH area
+   * is empty, to allow callers to add controls to the 
+   * bottom of the panel if they want to (a close button is
+   * added if this demo is being run as a standalone demo).
+   */       
+  JPanel createContent() 
+  {
+    JPanel content = new JPanel(new BorderLayout());
+    JPanel panel = new JPanel(new GridLayout(5, 1));
+    panel.add(createLeftAlignedPanel());
+    panel.add(createRightAlignedPanel());
+    panel.add(createCenteredPanel());
+    panel.add(createCustomColoredPanel());
+    panel.add(createMiscPanel());
+    content.add(panel);
+    //content.setPreferredSize(new Dimension(400, 300));
+    return content;        
+  }
+    
+  private JPanel createLeftAlignedPanel() 
+  {
+    JPanel panel = new JPanel(new BorderLayout());
+    panel.setBorder(BorderFactory.createTitledBorder("Left aligned"));
+    
+    textFieldPanel1 = new JPanel();
+    textFieldPanel1.setLayout(new BoxLayout(textFieldPanel1, BoxLayout.X_AXIS));
+
+    textfield1 = new JTextField("Hello World!");
+    textfield1.setHorizontalAlignment(JTextField.LEFT);
+    textfield1.setFont(new Font("Dialog", Font.PLAIN, 8));
+    textFieldPanel1.add(textfield1);
+
+    textfield2 = new JTextField("Hello World!");
+    textfield2.setHorizontalAlignment(JTextField.LEFT);
+    textfield2.setFont(new Font("Dialog", Font.ITALIC, 12));
+    textFieldPanel1.add(textfield2);
+
+    textfield3 = new JTextField("Hello World!");
+    textfield3.setHorizontalAlignment(JTextField.LEFT);
+    textfield3.setFont(new Font("Dialog", Font.BOLD, 14));
+    textFieldPanel1.add(textfield3);
+
+    panel.add(textFieldPanel1);
+
+    JPanel statePanel = new JPanel();
+    statePanel.setLayout(new BoxLayout(statePanel, BoxLayout.Y_AXIS));
+    statePanel.add(Box.createVerticalGlue());
+    enabled1 = new JCheckBox("enabled");
+    enabled1.setSelected(true);
+    enabled1.addActionListener(this);
+    enabled1.setActionCommand("ENABLED1");
+    statePanel.add(enabled1);
+    editable1 = new JCheckBox("editable");
+    editable1.setSelected(true);
+    editable1.addActionListener(this);
+    editable1.setActionCommand("EDITABLE1");
+    statePanel.add(editable1);
+    statePanel.add(Box.createVerticalGlue());
+    panel.add(statePanel, BorderLayout.EAST);
+
+    return panel;
+  }
+
+  private JPanel createRightAlignedPanel() 
+  {
+    JPanel panel = new JPanel(new BorderLayout());
+    panel.setBorder(BorderFactory.createTitledBorder("Right aligned"));
+    
+    JPanel textFieldPanel = new JPanel();
+    textFieldPanel.setLayout(new BoxLayout(textFieldPanel, BoxLayout.X_AXIS));
+
+    textfield4 = new JTextField("Hello World!");
+    textfield4.setHorizontalAlignment(JTextField.RIGHT);
+    textfield4.setFont(new Font("Dialog", Font.PLAIN, 8));
+    textFieldPanel.add(textfield4);
+
+    textfield5 = new JTextField("Hello World!");
+    textfield5.setHorizontalAlignment(JTextField.RIGHT);
+    textfield5.setFont(new Font("Dialog", Font.ITALIC, 12));
+    textFieldPanel.add(textfield5);
+
+    textfield6 = new JTextField("Hello World!");
+    textfield6.setHorizontalAlignment(JTextField.RIGHT);
+    textfield6.setFont(new Font("Dialog", Font.BOLD, 14));
+    textFieldPanel.add(textfield6);
+
+    panel.add(textFieldPanel);
+
+    JPanel statePanel = new JPanel();
+    statePanel.setLayout(new BoxLayout(statePanel, BoxLayout.Y_AXIS));
+    statePanel.add(Box.createVerticalGlue());
+    enabled2 = new JCheckBox("enabled");
+    enabled2.setSelected(true);
+    enabled2.addActionListener(this);
+    enabled2.setActionCommand("ENABLED2");
+    statePanel.add(enabled2);
+    editable2 = new JCheckBox("editable");
+    editable2.setSelected(true);
+    editable2.addActionListener(this);
+    editable2.setActionCommand("EDITABLE2");
+    statePanel.add(editable2);
+    statePanel.add(Box.createVerticalGlue());
+    panel.add(statePanel, BorderLayout.EAST);
+
+    return panel;
+  }
+
+  private JPanel createCenteredPanel() 
+  {
+    JPanel panel = new JPanel(new BorderLayout());
+    panel.setBorder(BorderFactory.createTitledBorder("Centered"));
+    
+    JPanel textFieldPanel = new JPanel();
+    textFieldPanel.setLayout(new BoxLayout(textFieldPanel, BoxLayout.X_AXIS));
+
+    textfield7 = new JTextField("Hello World!");
+    textfield7.setHorizontalAlignment(JTextField.CENTER);
+    textfield7.setFont(new Font("Dialog", Font.PLAIN, 8));
+    textFieldPanel.add(textfield7);
+
+    textfield8 = new JTextField("Hello World!");
+    textfield8.setHorizontalAlignment(JTextField.CENTER);
+    textfield8.setFont(new Font("Dialog", Font.ITALIC, 12));
+    textFieldPanel.add(textfield8);
+
+    textfield9 = new JTextField("Hello World!");
+    textfield9.setHorizontalAlignment(JTextField.CENTER);
+    textfield9.setFont(new Font("Dialog", Font.BOLD, 14));
+    textFieldPanel.add(textfield9);
+
+    panel.add(textFieldPanel);
+
+    JPanel statePanel = new JPanel();
+    statePanel.setLayout(new BoxLayout(statePanel, BoxLayout.Y_AXIS));
+    statePanel.add(Box.createVerticalGlue());
+    enabled3 = new JCheckBox("enabled");
+    enabled3.setSelected(true);
+    enabled3.addActionListener(this);
+    enabled3.setActionCommand("ENABLED3");
+    statePanel.add(enabled3);
+    editable3 = new JCheckBox("editable");
+    editable3.setSelected(true);
+    editable3.addActionListener(this);
+    editable3.setActionCommand("EDITABLE3");
+    statePanel.add(editable3);
+    statePanel.add(Box.createVerticalGlue());
+    panel.add(statePanel, BorderLayout.EAST);
+
+    return panel;
+  }
+
+  private JPanel createCustomColoredPanel() 
+  {
+    JPanel panel = new JPanel(new BorderLayout());
+    
+    JPanel textFieldPanel = new JPanel();
+    panel.setBorder(BorderFactory.createTitledBorder("Custom colors"));
+    textFieldPanel.setLayout(new BoxLayout(textFieldPanel, BoxLayout.X_AXIS));
+
+    textfield10 = new JTextField("custom foreground");
+    textfield10.setForeground(Color.GREEN);
+    textFieldPanel.add(textfield10);
+
+    textfield11 = new JTextField("custom background");
+    textfield11.setForeground(Color.YELLOW);
+    textFieldPanel.add(textfield11);
+
+    textfield12 = new JTextField("custom disabled textcolor");
+    textfield12.setDisabledTextColor(Color.BLUE);
+    textFieldPanel.add(textfield12);
+
+    textfield13 = new JTextField("custom selected text color");
+    textfield13.setSelectedTextColor(Color.RED);
+    textFieldPanel.add(textfield13);
+
+    textfield14 = new JTextField("custom selection color");
+    textfield14.setSelectionColor(Color.CYAN);
+    textFieldPanel.add(textfield14);
+
+    panel.add(textFieldPanel);
+
+    JPanel statePanel = new JPanel();
+    statePanel.setLayout(new BoxLayout(statePanel, BoxLayout.Y_AXIS));
+    statePanel.add(Box.createVerticalGlue());
+    enabled4 = new JCheckBox("enabled");
+    enabled4.setSelected(true);
+    enabled4.addActionListener(this);
+    enabled4.setActionCommand("ENABLED4");
+    statePanel.add(enabled4);
+    editable4 = new JCheckBox("editable");
+    editable4.setSelected(true);
+    editable4.addActionListener(this);
+    editable4.setActionCommand("EDITABLE4");
+    statePanel.add(editable4);
+    statePanel.add(Box.createVerticalGlue());
+    panel.add(statePanel, BorderLayout.EAST);
+
+    return panel;
+  }
+
+  private JPanel createMiscPanel() 
+  {
+    JPanel panel = new JPanel(new BorderLayout());
+    panel.setBorder(BorderFactory.createTitledBorder("Miscallenous"));
+    
+    JPanel textFieldPanel = new JPanel();
+    textFieldPanel.setLayout(new BoxLayout(textFieldPanel, BoxLayout.X_AXIS));
+
+    textfield15 = new JTextField("Custom Caret");
+    textfield15.setCaret(new CornerCaret());
+    textFieldPanel.add(textfield15);
+
+    textfield16 = new JTextField("Custom Caret color");
+    textfield16.setCaretColor(Color.MAGENTA);
+    textFieldPanel.add(textfield16);
+
+    panel.add(textFieldPanel);
+
+    JPanel statePanel = new JPanel();
+    statePanel.setLayout(new BoxLayout(statePanel, BoxLayout.Y_AXIS));
+    statePanel.add(Box.createVerticalGlue());
+    enabled5 = new JCheckBox("enabled");
+    enabled5.setSelected(true);
+    enabled5.addActionListener(this);
+    enabled5.setActionCommand("ENABLED5");
+    statePanel.add(enabled5);
+    editable5 = new JCheckBox("editable");
+    editable5.setSelected(true);
+    editable5.addActionListener(this);
+    editable5.setActionCommand("EDITABLE5");
+    statePanel.add(editable5);
+    statePanel.add(Box.createVerticalGlue());
+    panel.add(statePanel, BorderLayout.EAST);
+
+    return panel;
+  }
+
+  public void actionPerformed(ActionEvent e) 
+  {
+    if (e.getActionCommand().equals("CLOSE"))
+      {
+        System.exit(0);
+      }
+    else if (e.getActionCommand().equals("ENABLED1"))
+      {
+        boolean enabled = enabled1.isSelected();
+        textfield1.setEnabled(enabled);
+        textfield2.setEnabled(enabled);
+        textfield3.setEnabled(enabled);
+      }
+    else if (e.getActionCommand().equals("EDITABLE1"))
+      {
+        boolean editable = editable1.isSelected();
+        textfield1.setEditable(editable);
+        textfield2.setEditable(editable);
+        textfield3.setEditable(editable);
+      }
+    else if (e.getActionCommand().equals("ENABLED2"))
+      {
+        boolean enabled = enabled2.isSelected();
+        textfield4.setEnabled(enabled);
+        textfield5.setEnabled(enabled);
+        textfield6.setEnabled(enabled);
+      }
+    else if (e.getActionCommand().equals("EDITABLE2"))
+      {
+        boolean editable = editable2.isSelected();
+        textfield4.setEditable(editable);
+        textfield5.setEditable(editable);
+        textfield6.setEditable(editable);
+      }
+    else if (e.getActionCommand().equals("ENABLED3"))
+      {
+        boolean enabled = enabled3.isSelected();
+        textfield7.setEnabled(enabled);
+        textfield8.setEnabled(enabled);
+        textfield9.setEnabled(enabled);
+      }
+    else if (e.getActionCommand().equals("EDITABLE3"))
+      {
+        boolean editable = editable3.isSelected();
+        textfield7.setEditable(editable);
+        textfield8.setEditable(editable);
+        textfield9.setEditable(editable);
+      }
+    else if (e.getActionCommand().equals("ENABLED4"))
+      {
+        boolean enabled = enabled4.isSelected();
+        textfield10.setEnabled(enabled);
+        textfield11.setEnabled(enabled);
+        textfield12.setEnabled(enabled);
+        textfield13.setEnabled(enabled);
+        textfield14.setEnabled(enabled);
+      }
+    else if (e.getActionCommand().equals("EDITABLE4"))
+      {
+        boolean editable = editable4.isSelected();
+        textfield10.setEditable(editable);
+        textfield11.setEditable(editable);
+        textfield12.setEditable(editable);
+        textfield13.setEditable(editable);
+        textfield14.setEditable(editable);
+      }
+  }
+
+  public static void main(String[] args) 
+  {
+    TextFieldDemo app = new TextFieldDemo("TextField Demo");
+    app.pack();
+    app.setVisible(true);
+  }
+
+}