ConfigItem: add colour field

[nikiroo-utils.git] / src / be / nikiroo / utils / ui / ConfigItem.java

diff --git a/src/be/nikiroo/utils/ui/ConfigItem.java b/src/be/nikiroo/utils/ui/ConfigItem.java
index 3780a7e21058a1c9a80475ce8932112aa350e039..6afbb9457e69582ac760ceff6f7155a261c73cc0 100644 (file)
--- a/src/be/nikiroo/utils/ui/ConfigItem.java
+++ b/src/be/nikiroo/utils/ui/ConfigItem.java
@@ -1,8 +1,18 @@
 package be.nikiroo.utils.ui;
 
 import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.image.BufferedImage;
 
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+import javax.swing.JButton;
 import javax.swing.JCheckBox;
+import javax.swing.JColorChooser;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JTextField;
@@ -25,7 +35,6 @@ public class ConfigItem<E extends Enum<E>> extends JPanel {
 
        public ConfigItem(final MetaInfo<E> info) {
                this.setLayout(new BorderLayout());
-               // this.setBorder(new EmptyBorder(2, 10, 2, 10));
 
                if (info.getFormat() == Format.BOOLEAN) {
                        final JCheckBox field = new JCheckBox();
@@ -67,8 +76,47 @@ public class ConfigItem<E extends Enum<E>> extends JPanel {
                                }
                        });
 
-                       this.add(new JLabel(info.getName() + ": "), BorderLayout.WEST);
+                       field.setText(info.getName());
                        this.add(field, BorderLayout.CENTER);
+               } else if (info.getFormat() == Format.COLOR) {
+                       final JTextField field = new JTextField();
+                       field.setToolTipText(info.getDescription());
+                       field.setText(info.getString());
+
+                       info.addReloadedListener(new Runnable() {
+                               @Override
+                               public void run() {
+                                       field.setText(info.getString());
+                               }
+                       });
+                       info.addSaveListener(new Runnable() {
+                               @Override
+                               public void run() {
+                                       info.setString(field.getText());
+                               }
+                       });
+
+                       this.add(label(info.getName()), BorderLayout.WEST);
+                       JPanel pane = new JPanel(new BorderLayout());
+
+                       final JButton colorWheel = new JButton();
+                       colorWheel.setIcon(getIcon(17, info.getColor()));
+                       colorWheel.addActionListener(new ActionListener() {
+                               @Override
+                               public void actionPerformed(ActionEvent e) {
+                                       Color initialColor = new Color(info.getColor(), true);
+                                       Color newColor = JColorChooser.showDialog(ConfigItem.this,
+                                                       info.getName(), initialColor);
+                                       if (newColor != null) {
+                                               info.setColor(newColor.getRGB());
+                                               field.setText(info.getString());
+                                               colorWheel.setIcon(getIcon(17, info.getColor()));
+                                       }
+                               }
+                       });
+                       pane.add(colorWheel, BorderLayout.WEST);
+                       pane.add(field, BorderLayout.CENTER);
+                       this.add(pane, BorderLayout.CENTER);
                } else {
                        final JTextField field = new JTextField();
                        field.setToolTipText(info.getDescription());
@@ -87,8 +135,72 @@ public class ConfigItem<E extends Enum<E>> extends JPanel {
                                }
                        });
 
-                       this.add(new JLabel(info.getName() + ": "), BorderLayout.WEST);
+                       this.add(label(info.getName()), BorderLayout.WEST);
                        this.add(field, BorderLayout.CENTER);
                }
        }
+
+       /**
+        * Create a label which width is constrained in lock steps.
+        * 
+        * @param text
+        *            the text of the label
+        * 
+        * @return the label
+        */
+       private JLabel label(String text) {
+               final JLabel label = new JLabel(text);
+
+               Dimension ps = label.getPreferredSize();
+               if (ps == null) {
+                       ps = label.getSize();
+               }
+
+               int w = ps.width;
+               int step = 80;
+               for (int i = 2 * step; i < 10 * step; i += step) {
+                       if (w < i) {
+                               w = i;
+                               break;
+                       }
+               }
+
+               ps.width = w;
+               label.setSize(ps);
+               label.setPreferredSize(ps);
+
+               return label;
+       }
+
+       /**
+        * Return an {@link Icon} to use as a colour badge for the colour field
+        * controls.
+        * 
+        * @param size
+        *            the size of the badge
+        * @param color
+        *            the colour of the badge
+        * 
+        * @return the badge
+        */
+       private Icon getIcon(int size, int color) {
+               Color c = new Color(color, true);
+               int avg = (c.getRed() + c.getGreen() + c.getBlue()) / 3;
+               Color border = (avg >= 128 ? Color.BLACK : Color.WHITE);
+
+               BufferedImage img = new BufferedImage(size, size,
+                               BufferedImage.TYPE_4BYTE_ABGR);
+
+               Graphics2D g = img.createGraphics();
+               try {
+                       g.setColor(c);
+                       g.fillRect(0, 0, img.getWidth(), img.getHeight());
+                       g.setColor(border);
+                       g.drawRect(0, 0, img.getWidth() - 1, img.getHeight() - 1);
+               } finally {
+                       g.dispose();
+               }
+
+               return new ImageIcon(img);
+       }
 }