001 /* 002 * Copyright (C) 2008-2010 by Holger Arndt 003 * 004 * This file is part of the Universal Java Matrix Package (UJMP). 005 * See the NOTICE file distributed with this work for additional 006 * information regarding copyright ownership and licensing. 007 * 008 * UJMP is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation; either version 2 011 * of the License, or (at your option) any later version. 012 * 013 * UJMP is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public 019 * License along with UJMP; if not, write to the 020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 021 * Boston, MA 02110-1301 USA 022 */ 023 024 package org.ujmp.gui.plot; 025 026 import java.awt.Graphics; 027 import java.awt.Graphics2D; 028 029 import javax.swing.ListSelectionModel; 030 031 public class Selection { 032 033 private PlotSettings plotSettings = null; 034 035 public Selection(PlotSettings plotSettings) { 036 this.plotSettings = plotSettings; 037 } 038 039 public void paintComponent(Graphics g) { 040 Graphics2D g2d = (Graphics2D) g; 041 042 ListSelectionModel lsm = plotSettings.getMatrixGUIObject().getRowSelectionModel(); 043 int min = lsm.getMinSelectionIndex(); 044 int max = lsm.getMaxSelectionIndex(); 045 046 if (min != -1 && max != -1) { 047 double xf = plotSettings.getXFactor(); 048 049 int y1 = 0; 050 int y2 = plotSettings.getHeight() - 1; 051 int h = y2 - y1; 052 053 int x1 = (int) (min * xf); 054 int x2 = (int) (max * xf); 055 int w = x2 - x1; 056 057 g2d.setColor(plotSettings.getSelectionLineColor()); 058 g2d.drawLine(x1, y1, x1, y2); 059 g2d.drawLine(x2, y1, x2, y2); 060 g2d.setColor(plotSettings.getSelectionColor()); 061 if (w != 0) { 062 g2d.fillRect(x1, y1, w, h); 063 } 064 } 065 066 } 067 068 }