WIP #12: actually check in energy slider

src/com/brindyblitz/artemis/engconsole/ui/EnergySlider.java

@@ -0,0 +1,74 @@
+package com.brindyblitz.artemis.engconsole.ui;
+
+import com.brindyblitz.artemis.engconsole.EngineeringConsoleManager;
+import net.dhleong.acl.enums.ShipSystem;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+public class EnergySlider extends SystemStatusSlider {
+
+	private static final long serialVersionUID = 1L;
+
+    private static BufferedImage statusImageWithColor = null, statusImageWhite = null;
+
+    protected static final int
+            WIDGET_HEIGHT = 20,
+            WIDGET_WIDTH = 400,
+            SLIDER_WIDTH = WIDGET_WIDTH / 2,
+            SLIDER_HEIGHT = WIDGET_HEIGHT;
+
+    private static final Color ENERGY_COLOR = Color.BLUE;
+
+    public EnergySlider(ShipSystem system, EngineeringConsoleManager engineeringConsoleManager) {
+        super(system, engineeringConsoleManager, WIDGET_WIDTH, WIDGET_HEIGHT, SLIDER_WIDTH, SLIDER_HEIGHT);
+    }
+
+    @Override
+    protected int getStatusPctInt() {
+        // TODO: >>> TESTME
+        return 100 * (int)(this.engineeringConsoleManager.getTotalEnergyRemaining() / 1000f);
+    }
+
+    @Override
+    protected void loadIcons() {
+        try {
+            if (statusImageWithColor == null) {
+                statusImageWithColor = ImageIO.read(new File(System.getProperty("user.dir"), "/art/energy_icon_with_color.png"));
+                statusImageWhite = ImageIO.read(new File(System.getProperty("user.dir"), "/art/energy_icon_white.png"));
+            }
+        } catch (IOException e) {
+            System.err.println("Unable to locate system status icon(s)");
+            e.printStackTrace(System.err);
+            throw new RuntimeException();
+        }
+    }
+
+    @Override
+    protected BufferedImage getStatusImageWithColor() {
+        return statusImageWithColor;
+    }
+
+    @Override
+    protected BufferedImage getStatusImageWhite() {
+        return statusImageWhite;
+    }
+
+    @Override
+    protected Color getStatusColor() {
+        return ENERGY_COLOR;
+    }
+
+    @Override
+    protected float getFullHue() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    protected float getEmptyHue() {
+        throw new UnsupportedOperationException();
+    }
+}