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   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.awt.*;
  21 import javax.swing.*;
  22 import org.altusmetrum.altoslib_4.*;
  23
  24 public abstract class AltosUIUnitsIndicator extends AltosUIIndicator {
  25
  26         AltosUnits      units;
  27
  28         abstract public double value(AltosState state, int i);
  29         public boolean good(double value) { return false; }
  30
  31         public double[] last_values;
  32
  33         public void show(double... v) {
  34                 for (int i = 0; i < values.length; i++) {
  35                         if (v[i] != last_values[i]) {
  36                                 String  value_text;
  37                                 boolean good = false;
  38
  39                                 if (v[i] == AltosLib.MISSING) {
  40                                         value_text = "Missing";
  41                                 } else {
  42                                         value_text = units.show(8, v[i]);
  43                                         if (i == 0)
  44                                                 good = good(v[i]);
  45                                 }
  46                                 last_values[i] = v[i];
  47                                 if (i == 0 && lights != null)
  48                                         set_lights(good);
  49                                 values[i].setText(value_text);
  50                         }
  51                 }
  52         }
  53
  54         public void units_changed(boolean imperial_units) {
  55                 show(last_values);
  56         }
  57
  58         public void show (AltosState state, AltosListenerState listener_state) {
  59
  60                 double[] v = new double[values.length];
  61
  62                 for (int i = 0; i < values.length; i++) {
  63                         if (state != null)
  64                                 v[i] = value(state, i);
  65                         else
  66                                 v[i] = AltosLib.MISSING;
  67                 }
  68                 show(v);
  69
  70         }
  71
  72         public AltosUIUnitsIndicator (Container container, int y, AltosUnits units, String name, int number_values, boolean has_lights, int width) {
  73                 super(container, y, name, number_values, has_lights, width);
  74                 this.units = units;
  75                 last_values = new double[values.length];
  76                 for (int i = 0; i < last_values.length; i++)
  77                         last_values[i] = AltosLib.MISSING - 1;
  78         }
  79 }