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; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.altosuilib_2;
  19
  20 import java.util.*;
  21 import java.awt.*;
  22 import java.awt.event.*;
  23 import javax.swing.*;
  24 import org.altusmetrum.altoslib_4.*;
  25
  26 public abstract class AltosUIFlightTab extends JComponent implements AltosFlightDisplay, HierarchyListener {
  27         public GridBagLayout    layout;
  28
  29         AltosState              last_state;
  30         AltosListenerState      last_listener_state;
  31
  32         LinkedList<AltosUIIndicator>    indicators = new LinkedList<AltosUIIndicator>();
  33
  34         public void add (AltosUIIndicator indicator) {
  35                 indicators.add(indicator);
  36         }
  37
  38         public void remove(AltosUIIndicator indicator) {
  39                 indicators.remove(indicator);
  40         }
  41
  42         public void reset() {
  43                 for (AltosUIIndicator i : indicators)
  44                         i.reset();
  45         }
  46
  47         public void font_size_changed(int font_size) {
  48                 for (AltosUIIndicator i : indicators)
  49                         i.font_size_changed(font_size);
  50         }
  51
  52         public void units_changed(boolean imperial_units) {
  53                 for (AltosUIIndicator i : indicators)
  54                         i.units_changed(imperial_units);
  55         }
  56
  57         public void show(AltosState state, AltosListenerState listener_state) {
  58                 if (!isShowing()) {
  59                         last_state = state;
  60                         last_listener_state = listener_state;
  61                         return;
  62                 }
  63
  64                 for (AltosUIIndicator i : indicators)
  65                         i.show(state, listener_state);
  66         }
  67
  68         public void hierarchyChanged(HierarchyEvent e) {
  69                 if (last_state != null && isShowing()) {
  70                         AltosState              state = last_state;
  71                         AltosListenerState      listener_state = last_listener_state;
  72
  73                         last_state = null;
  74                         last_listener_state = null;
  75                         show(state, listener_state);
  76                 }
  77         }
  78
  79         abstract public String getName();
  80
  81         public AltosUIFlightTab() {
  82                 layout = new GridBagLayout();
  83
  84                 setLayout(layout);
  85
  86                 addHierarchyListener(this);
  87         }
  88 }