/*
Copyright 2003-2012 Dmitry Barashev, GanttProject Team

This file is part of GanttProject, an opensource project management tool.

GanttProject 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.

GanttProject 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 GanttProject.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sourceforge.ganttproject.shape;

/*
 *@author Etienne L'kenfack (etienne.lkenfack@itcogita.com)
 */

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Paint;
import java.awt.Rectangle;

import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListCellRenderer;
import javax.swing.border.Border;
import javax.swing.border.LineBorder;

public class PaintCellRenderer extends JPanel implements ListCellRenderer {
  protected Border normalBorder = new LineBorder(Color.white, 2);

  protected Border selectBorder = new LineBorder(Color.black, 2);

  protected Border focusBorder = new LineBorder(Color.blue, 2);

  protected Paint paint;

  public PaintCellRenderer() {
    setPreferredSize(new Dimension(70, 16));
  }

  @Override
  public void paintComponent(Graphics gc) {
    Graphics2D g = (Graphics2D) gc;
    int w = getSize().width;
    int h = getSize().height;
    Insets insets = getInsets();
    Rectangle rect = new Rectangle(insets.left, insets.top, w - (insets.left + insets.right), h
        - (insets.top + insets.bottom));
    g.setPaint(paint);
    g.fill(rect);
  }

  @Override
  public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
      boolean hasFocus) {
    Border border = isSelected ? selectBorder : normalBorder;
    setBorder(hasFocus ? focusBorder : border);
    if (value instanceof Paint) {
      paint = (Paint) value;
    }
    return this;
  }
}