java: Refactor AltosFlightDisplay units and font update handling

Make AltosFlightDisplay explicitly implement AltosFontListener and
AltosUnitsListener interfaces to make everyone use the same API. Then,
actually go implement units listeners so that changing units updates
all of the active displays immediately

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 10 insertions, 4 deletions

diff --git a/altosui/AltosIgnitor.java b/altosui/AltosIgnitor.java
index 7f79f42b..27917b30 100644
--- a/altosui/AltosIgnitor.java
+++ b/altosui/AltosIgnitor.java
@@ -25,7 +25,7 @@ import org.altusmetrum.altosuilib_2.*;
 public class AltosIgnitor extends JComponent implements AltosFlightDisplay {
 	GridBagLayout	layout;
 
-	public class LaunchStatus {
+	public class LaunchStatus implements AltosFontListener, AltosUnitsListener {
 		JLabel		label;
 		JTextField	value;
 		AltosLights	lights;
@@ -66,11 +66,14 @@ public class AltosIgnitor extends JComponent implements AltosFlightDisplay {
 			hide();
 		}
 
-		public void set_font() {
+		public void font_size_changed(int font_size) {
 			label.setFont(Altos.label_font);
 			value.setFont(Altos.value_font);
 		}
 
+		public void units_changed(boolean imperial_units) {
+		}
+
 		public void set_label(String text) {
 			label.setText(text);
 		}
@@ -142,11 +145,14 @@ public class AltosIgnitor extends JComponent implements AltosFlightDisplay {
 			ignitors[i].reset();
 	}
 
-	public void set_font() {
+	public void font_size_changed(int font_size) {
 		if (ignitors == null)
 			return;
 		for (int i = 0; i < ignitors.length; i++)
-			ignitors[i].set_font();
+			ignitors[i].font_size_changed(font_size);
+	}
+
+	public void units_changed(boolean imperial_units) {
 	}
 
 	public void show(AltosState state, AltosListenerState listener_state) {