Changeset 16894 in josm for trunk/src/org/openstreetmap/josm/gui/MapScaler.java

Timestamp:

2020-08-15T00:15:18+02:00 (4 years ago)

Author:

simon04

Message:

fix #4888 - SlippyMapBBoxChooser: show map scale

File:

• trunk/src/org/openstreetmap/josm/gui/MapScaler.java (modified) (5 diffs)

trunk/src/org/openstreetmap/josm/gui/MapScaler.java

@@ -9 +9 @@
 import java.awt.Graphics;
 import java.awt.geom.Rectangle2D;
+import java.util.function.DoubleSupplier;
+import java.util.function.Supplier;
 
 import javax.accessibility.Accessible;
@@ -24 +26 @@
 public class MapScaler extends JComponent implements Helpful, Accessible {
 
-    private final NavigatableComponent mv;
+    private final DoubleSupplier getDist100Pixel;
+    private final Supplier<Color> colorSupplier;
 
     private static final int PADDING_LEFT = 5;
@@ -36 +39 @@
      */
     public MapScaler(NavigatableComponent mv) {
-        this.mv = mv;
+        this(() -> mv.getDist100Pixel(true), MapScaler::getColor);
+    }
+
+    /**
+     * Constructs a new {@code MapScaler}.
+     * @param getDist100Pixel supplier for distance in meter that correspond to 100 px on screen
+     * @param colorSupplier supplier for color
+     */
+    public MapScaler(DoubleSupplier getDist100Pixel, Supplier<Color> colorSupplier) {
+        this.getDist100Pixel = getDist100Pixel;
+        this.colorSupplier = colorSupplier;
         setPreferredLineLength(100);
         setOpaque(false);
@@ -51 +64 @@
     @Override
     public void paint(Graphics g) {
-        g.setColor(getColor());
-
-        double dist100Pixel = mv.getDist100Pixel(true);
+        g.setColor(colorSupplier.get());
+        double dist100Pixel = getDist100Pixel.getAsDouble();
         TickMarks tickMarks = new TickMarks(dist100Pixel, getWidth() - PADDING_LEFT - PADDING_RIGHT);
         tickMarks.paintTicks(g);
@@ -83 +95 @@
         @Override
         public Number getCurrentAccessibleValue() {
-            return mv.getDist100Pixel();
+            return getDist100Pixel.getAsDouble();
         }