001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: * The Original Software is NetBeans. The Initial Developer of the Original
026: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027: * Microsystems, Inc. All Rights Reserved.
028: *
029: * If you wish your version of this file to be governed by only the CDDL
030: * or only the GPL Version 2, indicate your decision by adding
031: * "[Contributor] elects to include this software in this distribution
032: * under the [CDDL or GPL Version 2] license." If you do not indicate a
033: * single choice of license, a recipient has the option to distribute
034: * your version of this file under either the CDDL, the GPL Version 2 or
035: * to extend the choice of license to its licensees as provided above.
036: * However, if you add GPL Version 2 code and therefore, elected the GPL
037: * Version 2 license, then the option applies only if the new code is
038: * made subject to such option by the copyright holder.
039: */
040:
041: package org.netbeans.lib.profiler.ui.components.table;
042:
043: import org.netbeans.lib.profiler.ui.components.*;
044: import java.awt.*;
045: import javax.swing.*;
046:
047: /** Custom Table cell renderer that paints a bar based on numerical value within min/max bounds.
048: *
049: * @author Ian Formanek
050: * @author Jiri Sedlacek
051: */
052: public class CustomBarCellRenderer extends EnhancedTableCellRenderer {
053: //~ Static fields/initializers -----------------------------------------------------------------------------------------------
054:
055: public static final Color BAR_FOREGROUND_COLOR = new Color(195, 41,
056: 41);
057:
058: //~ Instance fields ----------------------------------------------------------------------------------------------------------
059:
060: protected double relValue; // relative part of max - min, <0, 1>
061: protected long max;
062: protected long min;
063:
064: //~ Constructors -------------------------------------------------------------------------------------------------------------
065:
066: public CustomBarCellRenderer(long min, long max) {
067: setMinimum(min);
068: setMaximum(max);
069: setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
070: }
071:
072: //~ Methods ------------------------------------------------------------------------------------------------------------------
073:
074: public void setMaximum(long n) {
075: max = n;
076: }
077:
078: public void setMinimum(long n) {
079: min = n;
080: }
081:
082: public void setRelValue(double n) {
083: relValue = n;
084: }
085:
086: public Component getTableCellRendererComponentPersistent(
087: JTable table, Object value, boolean isSelected,
088: boolean hasFocus, int row, int column) {
089: return null;
090: }
091:
092: public void paintComponent(Graphics g) {
093: super .paintComponent(g);
094:
095: Insets insets = getInsets();
096: g.setColor(BAR_FOREGROUND_COLOR);
097: g.fillRect(insets.left, insets.top, (int) Math.round(relValue
098: * (getWidth() - insets.right - insets.left)),
099: getHeight() - insets.bottom - insets.top);
100: }
101:
102: /**
103: * Called each time this renderer is to be used to render a specific value on specified row/column.
104: * Subclasses need to implement this method to render the value.
105: *
106: * @param table the table in which the rendering occurs
107: * @param value the value to be rendered
108: * @param row the row at which the value is located
109: * @param column the column at which the value is located
110: */
111: protected void setValue(JTable table, Object value, int row,
112: int column) {
113: if (value instanceof Long) {
114: //multiplying by 10 to allow displaying graphs for values < 1
115: // - same done for maxi and min values of progress bar, should be ok
116: setRelValue(calculateViewValue(((Long) value).longValue()));
117: } else if (value instanceof Number) {
118: //multiplying by 10 to allow displaying graphs for values < 1
119: // - same done for maxi and min values of progress bar, should be ok
120: setRelValue(calculateViewValue(((Number) value)
121: .doubleValue()));
122: } else if (value instanceof String) {
123: //multiplying by 10 to allow displaying graphs for values < 1
124: // - same done for maxi and min values of progress bar, should be ok
125: setRelValue(calculateViewValue(Double
126: .parseDouble((String) value)));
127: } else {
128: setRelValue(min);
129: }
130: }
131:
132: protected double calculateViewValue(long n) {
133: return (double) (n - min) / (double) (max - min);
134: }
135:
136: protected double calculateViewValue(double n) {
137: return (double) (n - min) / (double) (max - min);
138: }
139: }
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