Importing source code for MicropolisJ, the Java rewrite of Micropolis.
This edition of Micropolis, written for the Java desktop platform, is fairly feature complete. I believe the only missing functionality is that of loading the built-in scenarios, and this can be implemented if there is any demand for it. I will soon update the home page at http://code.google.com/p/micropolis/ with downloadable packages of this edition of the software. git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@528 d9718cc8-9f43-0410-858b-315f434eb58c
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src/micropolisj/gui/GraphsPane.java
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src/micropolisj/gui/GraphsPane.java
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// This file is part of MicropolisJ.
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// Copyright (C) 2013 Jason Long
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// Portions Copyright (C) 1989-2007 Electronic Arts Inc.
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//
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// MicropolisJ is free software; you can redistribute it and/or modify
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// it under the terms of the GNU GPLv3, with additional terms.
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// See the README file, included in this distribution, for details.
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package micropolisj.gui;
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import java.awt.*;
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import java.awt.event.*;
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import java.awt.geom.Path2D;
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import java.text.*;
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import java.util.*;
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import javax.swing.*;
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import micropolisj.engine.*;
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import static micropolisj.gui.ColorParser.parseColor;
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public class GraphsPane extends JPanel
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implements Micropolis.Listener
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{
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Micropolis engine;
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JToggleButton tenYearsBtn;
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JToggleButton onetwentyYearsBtn;
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GraphArea graphArea;
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static enum TimePeriod
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{
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TEN_YEARS,
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ONETWENTY_YEARS;
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}
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static enum GraphData
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{
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RESPOP,
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COMPOP,
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INDPOP,
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MONEY,
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CRIME,
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POLLUTION;
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}
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EnumMap<GraphData,JToggleButton> dataBtns = new EnumMap<>(GraphData.class);
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static ResourceBundle strings = MainWindow.strings;
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static final int LEFT_MARGIN = 4;
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static final int RIGHT_MARGIN = 4;
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static final int TOP_MARGIN = 2;
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static final int BOTTOM_MARGIN = 2;
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static final int LEGEND_PADDING = 6;
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public GraphsPane(Micropolis engine)
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{
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super(new BorderLayout());
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assert engine != null;
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this.engine = engine;
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engine.addListener(this);
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JButton dismissBtn = new JButton(strings.getString("dismiss_graph"));
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dismissBtn.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent evt) {
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onDismissClicked();
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}});
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add(dismissBtn, BorderLayout.SOUTH);
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JPanel b1 = new JPanel(new BorderLayout());
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add(b1, BorderLayout.CENTER);
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JPanel toolsPane = new JPanel(new GridBagLayout());
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b1.add(toolsPane, BorderLayout.WEST);
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GridBagConstraints c = new GridBagConstraints();
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c.gridx = c.gridy = 0;
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c.gridwidth = 2;
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c.fill = GridBagConstraints.BOTH;
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c.insets = new Insets(1,1,1,1);
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tenYearsBtn = new JToggleButton(strings.getString("ten_years"));
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tenYearsBtn.setMargin(new Insets(0,0,0,0));
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tenYearsBtn.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent evt) {
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setTimePeriod(TimePeriod.TEN_YEARS);
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}});
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toolsPane.add(tenYearsBtn, c);
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c.gridy++;
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onetwentyYearsBtn = new JToggleButton(strings.getString("onetwenty_years"));
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onetwentyYearsBtn.setMargin(new Insets(0,0,0,0));
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onetwentyYearsBtn.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent evt) {
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setTimePeriod(TimePeriod.ONETWENTY_YEARS);
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}});
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toolsPane.add(onetwentyYearsBtn, c);
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c.gridx = 0;
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c.gridy = 2;
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c.gridwidth = 1;
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c.anchor = GridBagConstraints.NORTH;
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c.weightx = 0.5;
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toolsPane.add(makeDataBtn(GraphData.RESPOP), c);
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c.gridy = 3;
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toolsPane.add(makeDataBtn(GraphData.COMPOP), c);
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c.gridy = 4;
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toolsPane.add(makeDataBtn(GraphData.INDPOP), c);
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c.gridx = 1;
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c.gridy = 2;
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toolsPane.add(makeDataBtn(GraphData.MONEY), c);
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c.gridy = 3;
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toolsPane.add(makeDataBtn(GraphData.CRIME), c);
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c.gridy = 4;
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toolsPane.add(makeDataBtn(GraphData.POLLUTION), c);
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graphArea = new GraphArea();
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b1.add(graphArea, BorderLayout.CENTER);
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setTimePeriod(TimePeriod.TEN_YEARS);
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dataBtns.get(GraphData.MONEY).setSelected(true);
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dataBtns.get(GraphData.POLLUTION).setSelected(true);
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}
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public void setEngine(Micropolis newEngine)
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{
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if (engine != null) { //old engine
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engine.removeListener(this);
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}
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engine = newEngine;
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if (engine != null) { //new engine
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engine.addListener(this);
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graphArea.repaint();
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}
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}
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private void onDismissClicked()
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{
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setVisible(false);
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}
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//implements Micropolis.Listener
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public void cityMessage(MicropolisMessage message, CityLocation loc, boolean isPic) {}
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public void citySound(Sound sound, CityLocation loc) {}
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public void demandChanged() {}
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public void evaluationChanged() {}
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public void fundsChanged() {}
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public void optionsChanged() {}
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//implements Micropolis.Listener
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public void censusChanged()
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{
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graphArea.repaint();
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}
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private JToggleButton makeDataBtn(GraphData graph)
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{
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String icon1name = strings.getString("graph_button."+graph.name());
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String icon2name = strings.getString("graph_button."+graph.name()+".selected");
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ImageIcon icon1 = new ImageIcon(getClass().getResource("/"+icon1name));
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ImageIcon icon2 = new ImageIcon(getClass().getResource("/"+icon2name));
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JToggleButton btn = new JToggleButton();
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btn.setIcon(icon1);
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btn.setSelectedIcon(icon2);
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btn.setBorder(null);
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btn.setBorderPainted(false);
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btn.setFocusPainted(false);
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btn.setContentAreaFilled(false);
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btn.setMargin(new Insets(0,0,0,0));
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btn.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent evt) {
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graphArea.repaint();
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}});
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dataBtns.put(graph, btn);
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return btn;
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}
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int getHistoryValue(GraphData graph, int pos)
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{
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assert pos >= 0 && pos < 240;
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switch(graph) {
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case RESPOP: return engine.history.res[pos];
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case COMPOP: return engine.history.com[pos];
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case INDPOP: return engine.history.ind[pos];
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case MONEY: return engine.history.money[pos];
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case CRIME: return engine.history.crime[pos];
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case POLLUTION: return engine.history.pollution[pos];
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default: throw new Error("unexpected");
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}
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}
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void setTimePeriod(TimePeriod period)
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{
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tenYearsBtn.setSelected(period == TimePeriod.TEN_YEARS);
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onetwentyYearsBtn.setSelected(period == TimePeriod.ONETWENTY_YEARS);
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graphArea.repaint();
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}
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class GraphArea extends JComponent
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{
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GraphArea()
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{
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setBorder(BorderFactory.createLoweredBevelBorder());
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}
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@Override
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public void paintComponent(Graphics gr1)
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{
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Graphics2D gr = (Graphics2D)gr1;
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FontMetrics fm = gr.getFontMetrics();
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gr.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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gr.setColor(Color.WHITE);
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gr.fill(gr.getClipBounds());
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// determine length of longest label
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int maxLabelWidth = 0;
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for (GraphData gd : GraphData.values())
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{
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String labelStr = strings.getString("graph_label."+gd.name());
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int adv = fm.stringWidth(labelStr);
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if (adv > maxLabelWidth) {
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maxLabelWidth = adv;
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}
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}
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int leftEdge = getInsets().left + LEFT_MARGIN;
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int topEdge = getInsets().top + TOP_MARGIN + fm.getHeight()*2;
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int bottomEdge = getHeight() - getInsets().bottom - getInsets().top - BOTTOM_MARGIN;
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int rightEdge = getWidth() - getInsets().right - getInsets().left - RIGHT_MARGIN - maxLabelWidth - LEGEND_PADDING;
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// draw graph lower, upper borders
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gr.setColor(Color.BLACK);
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gr.drawLine(leftEdge,topEdge,rightEdge,topEdge);
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gr.drawLine(leftEdge,bottomEdge,rightEdge,bottomEdge);
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// draw vertical bars and label the dates
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boolean isOneTwenty = onetwentyYearsBtn.isSelected();
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int unitPeriod = isOneTwenty ? 12*Micropolis.CENSUSRATE : Micropolis.CENSUSRATE;
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int hashPeriod = isOneTwenty ? 10*unitPeriod : 12*unitPeriod;
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int startTime = ((engine.history.cityTime / unitPeriod) - 119) * unitPeriod;
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double x_interval = (rightEdge - leftEdge) / 120.0;
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for (int i = 0; i < 120; i++) {
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int t = startTime + i * unitPeriod; // t might be negative
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if (t % hashPeriod == 0) {
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// year
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int year = 1900+(t/(12*Micropolis.CENSUSRATE));
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int numHashes = t/hashPeriod;
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int x = (int)Math.round(leftEdge+i*x_interval);
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int y = getInsets().top + TOP_MARGIN +
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(numHashes % 2 == 0 ? fm.getHeight() : 0) +
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fm.getAscent();
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gr.drawString(Integer.toString(year), x, y);
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gr.drawLine(x,topEdge,x,bottomEdge);
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}
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}
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int H = isOneTwenty ? 239 : 119;
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final HashMap<GraphData, Path2D.Double> paths = new HashMap<>();
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for (GraphData gd : GraphData.values())
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{
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if (dataBtns.get(gd).isSelected()) {
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Path2D.Double path = new Path2D.Double();
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for (int i = 0; i < 120; i++) {
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double xp = leftEdge + i * x_interval;
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double yp = bottomEdge - getHistoryValue(gd,H-i) * (bottomEdge-topEdge) / 256.0;
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if (i == 0) {
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path.moveTo(xp, yp);
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} else {
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path.lineTo(xp, yp);
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}
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}
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paths.put(gd, path);
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}
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}
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GraphData [] myGraphs = paths.keySet().toArray(new GraphData[0]);
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Arrays.sort(myGraphs, new Comparator<GraphData>() {
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public int compare(GraphData a, GraphData b) {
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double y0 = paths.get(a).getCurrentPoint().getY();
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double y1 = paths.get(b).getCurrentPoint().getY();
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return -Double.compare(y0,y1);
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}});
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int lbottom = bottomEdge;
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for (GraphData gd : myGraphs)
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{
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String labelStr = strings.getString("graph_label."+gd.name());
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String colStr = strings.getString("graph_color."+gd.name());
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Color col = parseColor(colStr);
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Path2D.Double path = paths.get(gd);
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gr.setColor(col);
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gr.setStroke(new BasicStroke(2));
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gr.draw(path);
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int x = rightEdge + LEGEND_PADDING;
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int y = (int)Math.round(path.getCurrentPoint().getY()+fm.getAscent()/2);
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y = Math.min(lbottom, y);
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lbottom = y - fm.getAscent();
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gr.setColor(col);
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gr.drawString(labelStr, x-1, y);
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gr.drawString(labelStr, x, y-1);
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gr.setColor(Color.BLACK);
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gr.drawString(labelStr, x, y);
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}
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}
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}
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}
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