Java tutorial
/* * RomRaider Open-Source Tuning, Logging and Reflashing * Copyright (C) 2006-2015 RomRaider.com * * 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 2 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, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package com.romraider.logger.ecu.ui.handler.dash; import com.romraider.logger.ecu.definition.EcuDataConvertor; import com.romraider.logger.ecu.definition.LoggerData; import static com.romraider.util.ParamChecker.checkNotNull; import static java.awt.Color.BLUE; import static java.awt.Color.GREEN; import static java.awt.Color.ORANGE; import static java.awt.Color.RED; import static java.awt.Font.BOLD; import static java.awt.Font.PLAIN; import static java.lang.Double.MAX_VALUE; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.dial.DialBackground; import org.jfree.chart.plot.dial.DialCap; import org.jfree.chart.plot.dial.DialFrame; import org.jfree.chart.plot.dial.DialPlot; import org.jfree.chart.plot.dial.DialPointer; import org.jfree.chart.plot.dial.DialTextAnnotation; import org.jfree.chart.plot.dial.DialValueIndicator; import org.jfree.chart.plot.dial.StandardDialFrame; import org.jfree.chart.plot.dial.StandardDialRange; import org.jfree.chart.plot.dial.StandardDialScale; import org.jfree.data.general.DefaultValueDataset; import static org.jfree.ui.GradientPaintTransformType.VERTICAL; import org.jfree.ui.StandardGradientPaintTransformer; import javax.swing.JPanel; import javax.swing.SwingUtilities; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.GradientPaint; import java.awt.Point; import java.text.DecimalFormat; public class DialGaugeStyle implements GaugeStyle { protected final DefaultValueDataset current = new DefaultValueDataset(0.0); protected final DefaultValueDataset max = new DefaultValueDataset(0.0); protected final DefaultValueDataset min = new DefaultValueDataset(0.0); protected final DialTextAnnotation unitsLabel = new DialTextAnnotation(""); protected final LoggerData loggerData; private double maxValue = MAX_VALUE * -1; private double minValue = MAX_VALUE; private JPanel panel; public DialGaugeStyle(LoggerData loggerData) { checkNotNull(loggerData); this.loggerData = loggerData; } public void apply(JPanel panel) { this.panel = panel; resetValue(); refreshChart(panel); } private void refreshChart(final JPanel panel) { SwingUtilities.invokeLater(new Runnable() { public void run() { JFreeChart chart = buildChart(); ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(getChartSize()); panel.removeAll(); panel.add(chartPanel); panel.revalidate(); } }); } public void refreshTitle() { refreshChart(panel); } public void updateValue(final double value) { SwingUtilities.invokeLater(new Runnable() { public void run() { current.setValue(value); } }); updateMinMax(value); } private void updateMinMax(final double value) { SwingUtilities.invokeLater(new Runnable() { public void run() { if (value > maxValue) { maxValue = value; max.setValue(value); } if (value < minValue) { minValue = value; min.setValue(value); } } }); } public void resetValue() { EcuDataConvertor convertor = loggerData.getSelectedConvertor(); GaugeMinMax minMax = convertor.getGaugeMinMax(); double value = minMax.min; updateValue(value); resetMinMax(value); } private void resetMinMax(final double value) { SwingUtilities.invokeLater(new Runnable() { public void run() { maxValue = MAX_VALUE * -1; minValue = MAX_VALUE; max.setValue(value); min.setValue(value); } }); } protected Dimension getChartSize() { return new Dimension(250, 270); } protected JFreeChart buildChart() { DialPlot plot = new DialPlot(); plot.setView(0.0, 0.0, 1.0, 1.0); plot.setDataset(0, current); plot.setDataset(1, max); plot.setDataset(2, min); DialFrame dialFrame = new StandardDialFrame(); plot.setDialFrame(dialFrame); GradientPaint gp = new GradientPaint(new Point(), new Color(255, 255, 255), new Point(), new Color(170, 170, 220)); DialBackground db = new DialBackground(gp); db.setGradientPaintTransformer(new StandardGradientPaintTransformer(VERTICAL)); plot.setBackground(db); unitsLabel.setFont(new Font(Font.DIALOG, BOLD, 15)); unitsLabel.setRadius(0.7); unitsLabel.setLabel(loggerData.getSelectedConvertor().getUnits()); plot.addLayer(unitsLabel); DecimalFormat format = new DecimalFormat(loggerData.getSelectedConvertor().getFormat()); DialValueIndicator dvi = new DialValueIndicator(0); dvi.setNumberFormat(format); plot.addLayer(dvi); EcuDataConvertor convertor = loggerData.getSelectedConvertor(); GaugeMinMax minMax = convertor.getGaugeMinMax(); StandardDialScale scale = new StandardDialScale(minMax.min, minMax.max, 225.0, -270.0, minMax.step, 5); scale.setTickRadius(0.88); scale.setTickLabelOffset(0.15); scale.setTickLabelFont(new Font(Font.DIALOG, PLAIN, 12)); scale.setTickLabelFormatter(format); plot.addScale(0, scale); plot.addScale(1, scale); plot.addScale(2, scale); StandardDialRange range = new StandardDialRange(rangeLimit(minMax, 0.75), minMax.max, RED); range.setInnerRadius(0.52); range.setOuterRadius(0.55); plot.addLayer(range); StandardDialRange range2 = new StandardDialRange(rangeLimit(minMax, 0.5), rangeLimit(minMax, 0.75), ORANGE); range2.setInnerRadius(0.52); range2.setOuterRadius(0.55); plot.addLayer(range2); StandardDialRange range3 = new StandardDialRange(minMax.min, rangeLimit(minMax, 0.5), GREEN); range3.setInnerRadius(0.52); range3.setOuterRadius(0.55); plot.addLayer(range3); DialPointer needleCurrent = new DialPointer.Pointer(0); plot.addLayer(needleCurrent); DialPointer needleMax = new DialPointer.Pin(1); needleMax.setRadius(0.84); ((DialPointer.Pin) needleMax).setPaint(RED); ((DialPointer.Pin) needleMax).setStroke(new BasicStroke(1.5F)); plot.addLayer(needleMax); DialPointer needleMin = new DialPointer.Pin(2); needleMin.setRadius(0.84); ((DialPointer.Pin) needleMin).setPaint(BLUE); ((DialPointer.Pin) needleMin).setStroke(new BasicStroke(1.5F)); plot.addLayer(needleMin); DialCap cap = new DialCap(); cap.setRadius(0.10); plot.setCap(cap); JFreeChart chart = new JFreeChart(plot); chart.setTitle(loggerData.getName()); return chart; } private double rangeLimit(GaugeMinMax minMax, double fraction) { return minMax.min + (minMax.max - minMax.min) * fraction; } }