Java tutorial
/* * JABM - Java Agent-Based Modeling Toolkit * Copyright (C) 2013 Steve Phelps * * 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 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 General Public License for more details. */ package net.sourceforge.jabm.view; import java.awt.Dimension; import java.awt.HeadlessException; import java.io.Serializable; import java.lang.reflect.InvocationTargetException; import java.util.LinkedHashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; import javax.swing.JComponent; import javax.swing.SwingUtilities; import net.sourceforge.jabm.event.Model; import net.sourceforge.jabm.event.ReportVariablesChangedEvent; import net.sourceforge.jabm.event.SimEvent; import net.sourceforge.jabm.report.ReportVariables; import net.sourceforge.jabm.report.ReportWithGUI; import org.apache.log4j.Logger; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.CategoryDataset; import org.jfree.data.general.Dataset; import org.jfree.data.general.DatasetChangeEvent; import org.jfree.data.general.DatasetChangeListener; import org.jfree.data.general.DatasetGroup; import org.springframework.beans.factory.InitializingBean; @SuppressWarnings("rawtypes") public class BarChart implements CategoryDataset, ReportWithGUI, Serializable, InitializingBean { protected ReportVariables reportVariables; protected Map<Object, Number> variableBindings = new LinkedHashMap<Object, Number>(); protected LinkedList<Object> variableNames = new LinkedList<Object>(); protected LinkedList<DatasetChangeListener> listeners = new LinkedList<DatasetChangeListener>(); protected String chartTitle; protected String valueAxisLabel; protected ChartPanel chartPanel; static Logger logger = Logger.getLogger(BarChart.class); public BarChart() throws HeadlessException { super(); } public void afterPropertiesSet() { String name = chartTitle; if (name == null) { name = reportVariables.getName(); } // series.initialise(null); JFreeChart chart = ChartFactory.createBarChart(//title, categoryAxisLabel, valueAxisLabel, dataset, orientation, legend, tooltips, urls)( name, // chart title "t", // domain axis label valueAxisLabel, // range axis label this, // data PlotOrientation.VERTICAL, true, // include legend true, // tooltips? false // URLs? ); chartPanel = new ChartPanel(chart, false); chartPanel.setPreferredSize(new Dimension(500, 270)); // getContentPane().add(chartPanel); // pack(); // computeVariableNames(); // setTitle("JABM: " + name); // setVisible(true); ((Model) reportVariables).addListener(this); } public Map<Object, Number> getVariableBindings() { return reportVariables.getVariableBindings(); } public void computeVariableNames() { this.variableBindings = reportVariables.getVariableBindings(); this.variableBindings.remove(reportVariables.getName() + ".t"); this.variableNames = new LinkedList<Object>(); this.variableNames.addAll(variableBindings.keySet()); } public void compute(ReportVariablesChangedEvent event) { computeVariableNames(); final Dataset eventOriginator = this; try { SwingUtilities.invokeAndWait(new Runnable() { public void run() { for (DatasetChangeListener listener : listeners) { listener.datasetChanged(new DatasetChangeEvent(eventOriginator, eventOriginator)); } } }); } catch (InterruptedException e) { logger.warn(e); Thread.currentThread().interrupt(); } catch (InvocationTargetException e) { logger.warn(e); } } public void dispose(SimEvent event) { reportVariables.dispose(event); } public void initialise(SimEvent event) { reportVariables.initialise(event); } public void addChangeListener(DatasetChangeListener arg0) { listeners.add(arg0); } public void removeChangeListener(DatasetChangeListener arg0) { listeners.remove(arg0); } public void eventOccurred(SimEvent event) { // series.eventOccurred(event); if (event instanceof ReportVariablesChangedEvent) { compute((ReportVariablesChangedEvent) event); } } public String getChartTitle() { return chartTitle; } public void setChartTitle(String chartTitle) { this.chartTitle = chartTitle; } public String getValueAxisLabel() { return valueAxisLabel; } public void setValueAxisLabel(String valueAxisLabel) { this.valueAxisLabel = valueAxisLabel; } @Override public Comparable getRowKey(int row) { Comparable result = variableNames.get(row).toString(); return result; } @Override public int getRowIndex(Comparable key) { return variableNames.indexOf(key); } @Override public List getRowKeys() { return variableNames; } @Override public Comparable getColumnKey(int column) { return "1"; } @Override public int getColumnIndex(Comparable key) { return 0; } @SuppressWarnings("unchecked") @Override public List getColumnKeys() { List result = new LinkedList(); result.add("1"); return result; } @Override public Number getValue(Comparable rowKey, Comparable columnKey) { Number result = variableBindings.get(rowKey); return result; } @Override public int getRowCount() { int result = variableBindings.size(); return result; } @Override public int getColumnCount() { return 1; } @Override public Number getValue(int row, int column) { if (variableBindings == null) { return null; } String variableName = variableNames.get(row).toString(); return getValue(variableName, null); } @Override public DatasetGroup getGroup() { // TODO Auto-generated method stub return null; } @Override public void setGroup(DatasetGroup group) { // TODO Auto-generated method stub } public ReportVariables getReportVariables() { return reportVariables; } public void setReportVariables(ReportVariables reportVariables) { this.reportVariables = reportVariables; } @Override public String getName() { // TODO Auto-generated method stub return null; } @Override public JComponent getComponent() { return chartPanel; } }