ColorEditor.java

package automenta.vivisect.swing.property.sheet.editor;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.UIManager;

import automenta.vivisect.swing.property.beans.editor.AbstractPropertyEditor;
import automenta.vivisect.swing.property.sheet.I18N;
import automenta.vivisect.swing.property.swing.renderer.ColorCellRenderer;


/**
 * Color editor.
 * 
 * @author Bartosz Firyn (SarXos)
 */
public class ColorEditor extends AbstractPropertyEditor {

	protected class ColorEditorComponent extends JPanel {

		private static final long serialVersionUID = 411604969565728959L;

		private ColorCellRenderer label = null;
		private JButton button = null;
		private JButton cancelButton = null;

		public ColorEditorComponent() {

			setLayout(new BoxLayout(this, BoxLayout.X_AXIS));

			label = new ColorCellRenderer();
			label.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 0));
			label.setAlignmentX(JTextField.LEFT_ALIGNMENT);
			label.setBackground(UIManager.getColor("Table.selectionBackground"));
			label.setForeground(UIManager.getColor("Table.selectionForeground"));

			Dimension size = new Dimension(24, 15);

			Image pencil = null;
			Image reset = null;
			try {
				pencil = ImageIO.read(getClass().getClassLoader().getResourceAsStream("com/l2fprod/common/propertysheet/icons/pencil.png"));
				reset = ImageIO.read(getClass().getClassLoader().getResourceAsStream("com/l2fprod/common/propertysheet/icons/reset.png"));
			} catch (IOException e) {
				throw new RuntimeException("Cannot load resource", e);
			}

			button = new JButton();
			button.setPreferredSize(size);
			button.setSize(size);
			button.setMaximumSize(size);
			button.setMinimumSize(size);
			button.setAction(new AbstractAction("", new ImageIcon(pencil)) {

				private static final long serialVersionUID = 1L;

				@Override
				public void actionPerformed(ActionEvent e) {
					selectColor();
				}
			});

			cancelButton = new JButton();
			cancelButton.setPreferredSize(size);
			cancelButton.setSize(size);
			cancelButton.setMaximumSize(size);
			cancelButton.setMinimumSize(size);
			cancelButton.setAction(new AbstractAction("", new ImageIcon(reset)) {

				private static final long serialVersionUID = 1L;

				@Override
				public void actionPerformed(ActionEvent e) {
					selectNull();
				}
			});

			JPanel left = new JPanel();
			left.setLayout(new BorderLayout(0, 0));
			left.add(label);
			left.setAlignmentX(JPanel.LEFT_ALIGNMENT);

			JPanel right = new JPanel();
			right.setLayout(new BoxLayout(right, BoxLayout.X_AXIS));
			right.add(button);
			right.add(cancelButton);
			right.setPreferredSize(new Dimension(size.width * 2, 25));
			right.setAlignmentX(JPanel.RIGHT_ALIGNMENT);

			add(left, BorderLayout.WEST);
			add(right, BorderLayout.CENTER);
		}

		public void setColor(Color color) {
			label.setValue(color);
			ColorEditor.this.color = color;
		}
	}

	private ColorEditorComponent colorEditor = null;
	private Color color;

	public ColorEditor() {
		editor = colorEditor = new ColorEditorComponent();
	}

	@Override
	public Object getValue() {
		return color;
	}

	@Override
	public void setValue(Object value) {
		colorEditor.setColor((Color) value);
	}

	protected void selectColor() {

		String title = I18N.CHOOSE_COLOR;
		Color selectedColor = JColorChooser.showDialog(editor, title, color);

		if (selectedColor != null) {

			Color oldColor = color;
			Color newColor = selectedColor;

			colorEditor.setColor(newColor);

			firePropertyChange(oldColor, newColor);
		}
	}

	protected void selectNull() {
		Color oldColor = color;
		colorEditor.setColor(null);
		firePropertyChange(oldColor, null);
	}
}