Initial Commit - Copy from Altus Metrum AltOS

altosuilib/AltosUIFlightTab.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright © 2014 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib_14;
+
+import java.util.*;
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import org.altusmetrum.altoslib_14.*;
+
+public abstract class AltosUIFlightTab extends JComponent implements AltosFlightDisplay, HierarchyListener {
+	public GridBagLayout	layout;
+
+	AltosState		last_state;
+	AltosListenerState	last_listener_state;
+
+	LinkedList<AltosUIIndicator>	indicators = new LinkedList<AltosUIIndicator>();
+
+	public void add (AltosUIIndicator indicator) {
+		indicators.add(indicator);
+	}
+
+	public void remove(AltosUIIndicator indicator) {
+		indicators.remove(indicator);
+	}
+
+	public void reset() {
+		for (AltosUIIndicator i : indicators)
+			i.reset();
+	}
+
+	public void font_size_changed(int font_size) {
+		for (AltosUIIndicator i : indicators)
+			i.font_size_changed(font_size);
+	}
+
+	public void units_changed(boolean imperial_units) {
+		for (AltosUIIndicator i : indicators)
+			i.units_changed(imperial_units);
+	}
+
+	public void show(AltosState state, AltosListenerState listener_state) {
+		if (!isShowing()) {
+			last_state = state;
+			last_listener_state = listener_state;
+			return;
+		}
+
+		for (AltosUIIndicator i : indicators)
+			i.show(state, listener_state);
+	}
+
+	public void hierarchyChanged(HierarchyEvent e) {
+		if (last_state != null && isShowing()) {
+			AltosState		state = last_state;
+			AltosListenerState	listener_state = last_listener_state;
+
+			last_state = null;
+			last_listener_state = null;
+			show(state, listener_state);
+		}
+	}
+
+	abstract public String getName();
+
+	public AltosUIFlightTab() {
+		layout = new GridBagLayout();
+
+		setLayout(layout);
+
+		addHierarchyListener(this);
+	}
+}