Java tutorial
/* * MSS Code Factory CFLib 2.1 * * Copyright (c) 2014-2015 Mark Sobkow * * This program is available as free software under the GNU LGPL v3, or * under a commercial license from Mark Sobkow. For commercial licensing * details, please contact msobkow@sasktel.net. * * Under the terms of the LGPL: * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, * see http://www.gnu.org/licenses/. */ package net.sourceforge.msscodefactory.cflib.v2_1.CFLib.Swing; import java.math.*; import java.sql.*; import java.text.*; import java.util.*; import java.awt.*; import javax.swing.*; import javax.swing.table.*; import net.sourceforge.msscodefactory.cflib.v2_1.CFLib.*; import org.apache.commons.codec.binary.Base64; public class CFTokenColumnCellRenderer extends DefaultTableCellRenderer { protected Object value = null; public CFTokenColumnCellRenderer() { super(); } public Component getTableCellRendererComponent(JTable table, Object val, boolean isSelected, boolean hasFocus, int row, int column) { value = val; if (isSelected) { setBackground(Color.BLACK); setForeground(Color.LIGHT_GRAY); } else { setBackground(Color.LIGHT_GRAY); setForeground(Color.BLACK); } return (this); } public void paint(Graphics g) { if (g == null) { return; } Rectangle bounds = getBounds(); g.setColor(getBackground()); g.fill3DRect(0, 0, bounds.width, bounds.height, true); g.setColor(getForeground()); String str; if (value instanceof String) { str = (String) value; } else { str = null; } if (str != null) { int firstNewline = str.indexOf('\n'); if (firstNewline < 0) { firstNewline = str.indexOf('\r'); if (firstNewline < 0) { firstNewline = str.indexOf('\f'); if (firstNewline < 0) { firstNewline = str.length(); } } } String firstLine = str.substring(0, firstNewline); FontMetrics fm = g.getFontMetrics(); int ascent = fm.getAscent(); int leading = fm.getLeading(); g.drawString(firstLine, 4, leading + ascent + 4); } } public void setValue(Object o) { super.setValue(o); value = o; } }