Initial map implementation

2 files changed, 154 insertions, 0 deletions

diff --git a/src/com/benburwell/planes/gui/AircraftMapComponent.java b/src/com/benburwell/planes/gui/AircraftMapComponent.java
new file mode 100644
index 0000000..1992c25
--- /dev/null
+++ b/src/com/benburwell/planes/gui/AircraftMapComponent.java
@@ -0,0 +1,151 @@
+package com.benburwell.planes.gui;
+
+import com.benburwell.planes.data.AircraftStore;
+import com.benburwell.planes.data.AircraftStoreListener;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.List;
+import java.util.ArrayList;
+
+/**
+ * Created by ben on 11/18/16.
+ */
+public class AircraftMapComponent implements ViewComponent {
+    private AircraftStore store;
+    private AircraftMap mapPanel;
+
+    public AircraftMapComponent(AircraftStore store) {
+        this.store = store;
+        this.mapPanel = new AircraftMap();
+        this.mapPanel.setCenter(40.6188942, -75.4947205);
+        this.store.subscribe(new AircraftStoreListener() {
+            @Override
+            public void aircraftStoreChanged() {
+                List<Drawable> planes = new ArrayList<>();
+                store.getAircraft().values().forEach(aircraft -> {
+                    String name = !aircraft.getCallsign().isEmpty() ? aircraft.getCallsign() : aircraft.getHexIdent();
+                    double lat = aircraft.getCurrentPosition().getLatitude();
+                    double lon = aircraft.getCurrentPosition().getLongitude();
+                    planes.add(new Plane(name, lat, lon));
+                });
+                mapPanel.setPlanes(planes);
+                mapPanel.validate();
+                mapPanel.repaint();
+            }
+
+            @Override
+            public boolean respondTo(String aircraftId) {
+                return true;
+            }
+        });
+    }
+
+    @Override
+    public JComponent getComponent() {
+        return this.mapPanel;
+    }
+
+    private class AircraftMap extends JPanel {
+        private final float FONT_SIZE = 12;
+        private final int TEXT_PADDING = 5;
+        private List<Drawable> planes = new ArrayList<>();
+        private double centerLatitude;
+        private double centerLongitude;
+
+        public AircraftMap() {
+            super();
+            this.setBackground(Color.black);
+            this.setBorder(BorderFactory.createEmptyBorder());
+            this.setCenter(0, 0);
+        }
+
+        @Override
+        public void paintComponent(Graphics g) {
+            super.paintComponent(g);
+            this.planes.forEach(item -> item.drawOn(g, this));
+            this.drawPositionAndScale(g);
+        }
+
+        public void drawPositionAndScale(Graphics g) {
+            Font currentFont = g.getFont();
+            Font newFont = currentFont.deriveFont(FONT_SIZE);
+            g.setFont(newFont);
+            g.setColor(Color.gray);
+            g.drawString(String.format("%08.5f N", this.centerLatitude), TEXT_PADDING, (int)FONT_SIZE + TEXT_PADDING);
+            g.drawString(String.format("%08.5f E", this.centerLongitude), TEXT_PADDING, (int)FONT_SIZE * 2 + TEXT_PADDING);
+        }
+
+        public void setPlanes(List<Drawable> planes) {
+            this.planes = planes;
+            this.invalidate();
+        }
+
+        public void setCenter(double latitude, double longitude) {
+            this.centerLatitude = latitude;
+            this.centerLongitude = longitude;
+        }
+
+        public double getCenterLatitude() {
+            return this.centerLatitude;
+        }
+
+        public double getCenterLongitude() {
+            return this.centerLongitude;
+        }
+
+        public double getPixelsPerDegree() {
+            return 600;
+        }
+    }
+
+    private interface Drawable {
+        void drawOn(Graphics graphicsContext, AircraftMap map);
+    }
+
+    private class GeoPoint {
+        private double latitude;
+        private double longitude;
+
+        public GeoPoint(double latitude, double longitude) {
+            this.latitude = latitude;
+            this.longitude = longitude;
+        }
+
+        public int getX(AircraftMap map) {
+            double degreesFromCenter = map.getCenterLongitude() - this.longitude;
+            double pixelsFromCenter = degreesFromCenter * map.getPixelsPerDegree();
+            double centerPixels = map.getSize().getWidth() / 2;
+            int xPosition = (int)(centerPixels - pixelsFromCenter);
+
+            System.out.println("Degrees from center: " + degreesFromCenter + "; Pixels from center: " + pixelsFromCenter);
+            return xPosition;
+        }
+
+        public int getY(AircraftMap map) {
+            double degreesFromCenter = map.getCenterLatitude() - this.latitude;
+            double pixelsFromCenter = degreesFromCenter * map.getPixelsPerDegree();
+            double centerPixels = map.getSize().getHeight() / 2;
+            int yPosition = (int)(centerPixels + pixelsFromCenter);
+            return yPosition;
+        }
+    }
+
+    private class Plane extends GeoPoint implements Drawable {
+        private String name;
+        private final int DOT_DIMENSION = 4;
+        private final int TEXT_OFFSET_X = 10;
+        private final int TEXT_OFFSET_Y = 15;
+
+        public Plane(String name, double latitude, double longitude) {
+            super(latitude, longitude);
+            this.name = name;
+        }
+
+        public void drawOn(Graphics g, AircraftMap map) {
+            g.setColor(new Color(200, 90, 0));
+            g.fillRect(this.getX(map) - (DOT_DIMENSION / 2), this.getY(map) - (DOT_DIMENSION / 2), DOT_DIMENSION, DOT_DIMENSION);
+            g.drawString(this.name, this.getX(map) + TEXT_OFFSET_X, this.getY(map) + TEXT_OFFSET_Y);
+        }
+    }
+}
diff --git a/src/com/benburwell/planes/gui/Main1090.java b/src/com/benburwell/planes/gui/Main1090.java
index 490e3e6..16c03d6 100644
--- a/src/com/benburwell/planes/gui/Main1090.java
+++ b/src/com/benburwell/planes/gui/Main1090.java
@@ -38,6 +38,9 @@ public class Main1090 extends JFrame {
         AircraftTableComponent aircraftData = new AircraftTableComponent(this.aircraft);
         this.tabbedPane.addTab("Aircraft Data", aircraftData.getComponent());
 
+        AircraftMapComponent aircraftMap = new AircraftMapComponent(this.aircraft);
+        this.tabbedPane.addTab("Live Map", aircraftMap.getComponent());
+
         this.add(this.tabbedPane);
         this.tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
     }