git.gag.com Git - fw/altos/blob - altosuilib/AltosUIFlightTab.java

   1 /*
   2  * Copyright © 2014 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.altosuilib_14;
  20
  21 import java.util.*;
  22 import java.awt.*;
  23 import java.awt.event.*;
  24 import javax.swing.*;
  25 import org.altusmetrum.altoslib_14.*;
  26
  27 public abstract class AltosUIFlightTab extends JComponent implements AltosFlightDisplay, HierarchyListener {
  28         public GridBagLayout    layout;
  29
  30         AltosState              last_state;
  31         AltosListenerState      last_listener_state;
  32
  33         LinkedList<AltosUIIndicator>    indicators = new LinkedList<AltosUIIndicator>();
  34
  35         public void add (AltosUIIndicator indicator) {
  36                 indicators.add(indicator);
  37         }
  38
  39         public void remove(AltosUIIndicator indicator) {
  40                 indicators.remove(indicator);
  41         }
  42
  43         public void reset() {
  44                 for (AltosUIIndicator i : indicators)
  45                         i.reset();
  46         }
  47
  48         public void font_size_changed(int font_size) {
  49                 for (AltosUIIndicator i : indicators)
  50                         i.font_size_changed(font_size);
  51         }
  52
  53         public void units_changed(boolean imperial_units) {
  54                 for (AltosUIIndicator i : indicators)
  55                         i.units_changed(imperial_units);
  56         }
  57
  58         public void show(AltosState state, AltosListenerState listener_state) {
  59                 if (!isShowing()) {
  60                         last_state = state;
  61                         last_listener_state = listener_state;
  62                         return;
  63                 }
  64
  65                 for (AltosUIIndicator i : indicators)
  66                         i.show(state, listener_state);
  67         }
  68
  69         public void hierarchyChanged(HierarchyEvent e) {
  70                 if (last_state != null && isShowing()) {
  71                         AltosState              state = last_state;
  72                         AltosListenerState      listener_state = last_listener_state;
  73
  74                         last_state = null;
  75                         last_listener_state = null;
  76                         show(state, listener_state);
  77                 }
  78         }
  79
  80         abstract public String getName();
  81
  82         public AltosUIFlightTab() {
  83                 layout = new GridBagLayout();
  84
  85                 setLayout(layout);
  86
  87                 addHierarchyListener(this);
  88         }
  89 }