/**
 * Copyright (C) 2001-2017 by RapidMiner and the contributors
 * 
 * Complete list of developers available at our web site:
 * 
 * http://rapidminer.com
 * 
 * This program is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 * 
 * This program 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
 * Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with this program.
 * If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.properties.celleditors.value;

import com.rapidminer.gui.RapidMinerGUI;
import com.rapidminer.gui.tools.components.ColorIcon;
import com.rapidminer.operator.Operator;
import com.rapidminer.parameter.ParameterTypeColor;

import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JTable;


/**
 * Cell editor consisting of a colored button which opens a color chooser as action. Currently only
 * used for property setting, not for parameters.
 * 
 * @author Ingo Mierswa
 */
public class ColorValueCellEditor extends AbstractCellEditor implements PropertyValueCellEditor {

	private static final long serialVersionUID = -7069543356398085334L;

	private transient ParameterTypeColor type;

	private JButton button;

	public ColorValueCellEditor(final ParameterTypeColor type) {
		this.type = type;
		button = new JButton("Choose Color...");
		button.setToolTipText(type.getDescription());
		button.setIconTextGap(6);
		button.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				Color newColor = JColorChooser.showDialog(RapidMinerGUI.getMainFrame(), "Choose Color for " + type.getKey(),
						((ColorIcon) button.getIcon()).getColor());
				if (newColor != null) {
					setEditorColor(newColor);
				}
				fireEditingStopped();
			}
		});
	}

	/** Does nothing. */
	@Override
	public void setOperator(Operator operator) {}

	public void setEditorColor(Color color) {
		button.setIcon(new ColorIcon(color));
	}

	@Override
	public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int col) {
		if (value == null) {
			setEditorColor((transformString2Color((String) type.getDefaultValue())));
		} else {
			setEditorColor(transformString2Color((String) value));
		}
		return button;
	}

	@Override
	public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
			int row, int column) {
		return getTableCellEditorComponent(table, value, isSelected, row, column);
	}

	@Override
	public Object getCellEditorValue() {
		Color color = ((ColorIcon) button.getIcon()).getColor();
		return color.getRed() + "," + color.getGreen() + "," + color.getBlue();
	}

	@Override
	public boolean useEditorAsRenderer() {
		return true;
	}

	private Color transformString2Color(String value) {
		String[] colors = value.split(",");
		Color color = new Color(Integer.parseInt(colors[0]), Integer.parseInt(colors[1]), Integer.parseInt(colors[2]));
		return color;
	}

	@Override
	public boolean rendersLabel() {
		return false;
	}
}