Improve ConfigItems and fix some related bugs

[fanfix.git] / src / be / nikiroo / utils / ui / ConfigItemColor.java

diff --git a/src/be/nikiroo/utils/ui/ConfigItemColor.java b/src/be/nikiroo/utils/ui/ConfigItemColor.java
new file mode 100644 (file)
index 0000000..cbb8084
--- /dev/null
+++ b/src/be/nikiroo/utils/ui/ConfigItemColor.java
@@ -0,0 +1,141 @@
+package be.nikiroo.utils.ui;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.image.BufferedImage;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+import javax.swing.JButton;
+import javax.swing.JColorChooser;
+import javax.swing.JComponent;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+import be.nikiroo.utils.resources.MetaInfo;
+
+public class ConfigItemColor<E extends Enum<E>> extends ConfigItem<E> {
+       private static final long serialVersionUID = 1L;
+
+       private Map<JComponent, JTextField> fields = new HashMap<JComponent, JTextField>();
+
+       /**
+        * Create a new {@link ConfigItemColor} for the given {@link MetaInfo}.
+        * 
+        * @param info
+        *            the {@link MetaInfo}
+        */
+       public ConfigItemColor(MetaInfo<E> info) {
+               super(info, true);
+       }
+
+       @Override
+       protected Object getFromField(int item) {
+               JTextField field = fields.get(getField(item));
+               if (field != null) {
+                       return field.getText();
+               }
+
+               return null;
+       }
+
+       @Override
+       protected Object getFromInfo(int item) {
+               return info.getString(item, false);
+       }
+
+       @Override
+       protected void setToField(Object value, int item) {
+               JTextField field = fields.get(getField(item));
+               if (field != null) {
+                       field.setText(value == null ? "" : value.toString());
+               }
+               // TODO: change color too
+       }
+
+       @Override
+       protected void setToInfo(Object value, int item) {
+               info.setString((String) value, item);
+       }
+
+       private int getFromInfoColor(int item) {
+               Integer color = info.getColor(item, true);
+               if (color == null) {
+                       return new Color(255, 255, 255, 255).getRGB();
+               }
+
+               return color;
+       }
+
+       @Override
+       protected JComponent createField(final int item) {
+               final JPanel pane = new JPanel(new BorderLayout());
+               final JTextField field = new JTextField();
+
+               final JButton colorWheel = new JButton();
+               colorWheel.setIcon(getIcon(17, getFromInfoColor(item)));
+               colorWheel.addActionListener(new ActionListener() {
+                       @Override
+                       public void actionPerformed(ActionEvent e) {
+                               int icol = getFromInfoColor(item);
+                               Color initialColor = new Color(icol, true);
+                               Color newColor = JColorChooser.showDialog(ConfigItemColor.this,
+                                               info.getName(), initialColor);
+                               if (newColor != null) {
+                                       info.setColor(newColor.getRGB(), item);
+                                       field.setText(info.getString(item, false));
+                                       colorWheel.setIcon(getIcon(17, info.getColor(item, true)));
+                               }
+                       }
+               });
+
+               pane.add(colorWheel, BorderLayout.WEST);
+               pane.add(field, BorderLayout.CENTER);
+
+               fields.put(pane, field);
+               return pane;
+       }
+
+       /**
+        * 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, which can be NULL (will return
+        *            transparent white)
+        * 
+        * @return the badge
+        */
+       static private Icon getIcon(int size, Integer color) {
+               // Allow null values
+               if (color == null) {
+                       color = new Color(255, 255, 255, 255).getRGB();
+               }
+
+               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);
+       }
+}