--- /dev/null
+/*
+ * 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; version 2 of the License.
+ *
+ * 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_2;
+
+import java.util.*;
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import org.altusmetrum.altoslib_4.*;
+
+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);
+ }
+}