ColorMapTableModel.java

/*
 * Copyright (C) 2012 Gyver
 *
 * This program 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 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.gyver.matrixmover.gui.component;

import java.awt.Color;
import java.util.ArrayList;
import java.util.List;
import javax.swing.table.AbstractTableModel;

/**
 *
 * @author Gyver
 */
public class ColorMapTableModel extends AbstractTableModel {

    private ArrayList<Color> colorMap = null;
    private String[] columnNames = {"Red", "Green", "Blue"};

    public ColorMapTableModel(List<Color> colorMap) {
        this.colorMap = new ArrayList<Color>();
        this.colorMap.addAll(colorMap);
    }

    @Override
    public int getRowCount() {
        return colorMap.size();
    }

    @Override
    public int getColumnCount() {
        return 3;
    }

    @Override
    public Object getValueAt(int row, int color) {
        if (color == 0) {
            return colorMap.get(row).getRed();
        } else if (color == 1) {
            return colorMap.get(row).getGreen();
        } else if (color == 2) {
            return colorMap.get(row).getBlue();
        } else {
            return null;
        }
    }

    @Override
    public String getColumnName(int col) {
        return columnNames[col];
    }

    @Override
    public boolean isCellEditable(int row, int col) {
        return true;
    }

    @Override
    public void setValueAt(Object value, int row, int color) {
        int red = colorMap.get(row).getRed();
        int green = colorMap.get(row).getGreen();
        int blue = colorMap.get(row).getBlue();
        
        int newValue = 0;
        
        try{
            newValue = Integer.parseInt((String)value);
        } catch(NumberFormatException e){
            newValue = 0;
        }
        
        if(newValue > 255){
            newValue = 255;
        } else if(newValue < 0){
            newValue = 0;
        }
        
        if (color == 0) {
            colorMap.set(row, new Color(newValue, green, blue));
        } else if (color == 1) {
            colorMap.set(row, new Color(red, newValue, blue));
        } else if (color == 2) {
            colorMap.set(row, new Color(red, green, newValue));
        } 
        fireTableCellUpdated(row, color);
    }

    public List<Color> getColorMap() {
        if(colorMap.size() <= 0){
            addRow();
        }
        return colorMap;
    }

    public void addRow() {
        colorMap.add(new Color(0));
        fireTableDataChanged();
    }

    public void removeRow() {
        colorMap.remove(colorMap.size() - 1);
        fireTableDataChanged();
    }
}