altosui/telegps: Use menus for frequency list and telemetry formats

[fw/altos] / altosuilib / AltosFreqList.java

diff --git a/altosuilib/AltosFreqList.java b/altosuilib/AltosFreqList.java
index e1299aaebe89401c5dd3b7898bbb85bafb72007f..b985d4721ee338b9e92054fcab440527aa60c0b2 100644 (file)
--- a/altosuilib/AltosFreqList.java
+++ b/altosuilib/AltosFreqList.java
@@ -17,15 +17,113 @@
 
 package org.altusmetrum.altosuilib_2;
 
+import java.util.*;
 import javax.swing.*;
+import java.awt.event.*;
 import org.altusmetrum.altoslib_4.*;
 
-public class AltosFreqList extends JComboBox<AltosFrequency> {
+class FreqEntry extends JMenuItem {
+       AltosFrequency  frequency;
+
+       public FreqEntry(AltosFrequency frequency) {
+               super(frequency.toShortString());
+               this.frequency = frequency;
+       }
+}
+
+public class AltosFreqList extends JMenu implements ActionListener {
 
        String  product;
        int     serial;
        int     calibrate;
 
+       AltosFrequency[]        frequencies = new AltosFrequency[0];
+
+       int     selected = -1;
+
+       LinkedList<ActionListener> action_listeners = new LinkedList<ActionListener>();
+
+       public void addActionListener(ActionListener listener) {
+               action_listeners.add(listener);
+       }
+
+       public void removeActionListener(ActionListener listener) {
+               action_listeners.remove(listener);
+       }
+
+       public void actionPerformed(ActionEvent ev) {
+               FreqEntry e = (FreqEntry) ev.getSource();
+               set_selected(e.frequency);
+               ActionEvent event = new ActionEvent(e.frequency, 0, "selected");
+               for (ActionListener l : action_listeners)
+                       l.actionPerformed(event);
+       }
+
+       private void set_selected(AltosFrequency frequency) {
+               for (int i = 0; i < frequencies.length; i++) {
+                       if (frequencies[i].frequency == frequency.frequency) {
+                               selected = i;
+                               String  new_text = String.format("Frequency: %7.3f MHz (%s) ▾",
+                                                                frequency.frequency,
+                                                                frequency.description);
+                               setText(new_text);
+                       }
+               }
+       }
+
+       private AltosFrequency get_selected() {
+               if (0 <= selected && selected < frequencies.length)
+                       return frequencies[selected];
+               return null;
+       }
+
+       private void add(AltosFrequency add) {
+               int insert;
+
+               for (insert = 0; insert < frequencies.length; insert++) {
+                       if (frequencies[insert].frequency == add.frequency)
+                               return;
+                       if (add.frequency < frequencies[insert].frequency)
+                               break;
+               }
+
+               AltosFrequency[]        new_frequencies = new AltosFrequency[frequencies.length + 1];
+
+               for (int before = 0; before < insert; before++)
+                       new_frequencies[before] = frequencies[before];
+               new_frequencies[insert] = add;
+
+               for (int after = insert; after < frequencies.length; after++)
+                       new_frequencies[after+1] = frequencies[after];
+
+               frequencies = new_frequencies;
+
+               FreqEntry       e = new FreqEntry(add);
+               add(e, insert);
+               e.addActionListener(this);
+       }
+
+       private void remove(AltosFrequency remove) {
+               int delete;
+               for (delete = 0; delete < frequencies.length; delete++) {
+                       if (frequencies[delete].frequency == remove.frequency)
+                               break;
+                       if (remove.frequency < frequencies[delete].frequency)
+                               return;
+               }
+
+               remove(delete);
+
+               AltosFrequency[]        new_frequencies = new AltosFrequency[frequencies.length - 1];
+
+               for (int before = 0; before < delete; before++)
+                       new_frequencies[before] = frequencies[before];
+
+               for (int after = delete + 1; after < frequencies.length; after++)
+                       new_frequencies[after-1] = frequencies[after];
+               frequencies = new_frequencies;
+       }
+
        public void set_frequency(double new_frequency) {
                int i;
 
@@ -34,25 +132,21 @@ public class AltosFreqList extends JComboBox<AltosFrequency> {
                        return;
                }
 
-               for (i = 0; i < getItemCount(); i++) {
-                       AltosFrequency  f = (AltosFrequency) getItemAt(i);
+               for (i = 0; i < frequencies.length; i++) {
+                       AltosFrequency  f = frequencies[i];
 
                        if (f.close(new_frequency)) {
-                               setSelectedIndex(i);
+                               set_selected(f);
                                return;
                        }
                }
-               for (i = 0; i < getItemCount(); i++) {
-                       AltosFrequency  f = (AltosFrequency) getItemAt(i);
 
-                       if (new_frequency < f.frequency)
-                               break;
-               }
                String  description = String.format("%s serial %d", product, serial);
                AltosFrequency  frequency = new AltosFrequency(new_frequency, description);
                AltosUIPreferences.add_common_frequency(frequency);
-               insertItemAt(frequency, i);
-               setMaximumRowCount(getItemCount());
+
+               add(frequency);
+               set_selected(frequency);
        }
 
        public void set_product(String new_product) {
@@ -64,16 +158,16 @@ public class AltosFreqList extends JComboBox<AltosFrequency> {
        }
 
        public double frequency() {
-               AltosFrequency  f = (AltosFrequency) getSelectedItem();
+               AltosFrequency  f = get_selected();
                if (f != null)
                        return f.frequency;
                return 434.550;
        }
 
        public AltosFreqList () {
-               super(AltosUIPreferences.common_frequencies());
-               setMaximumRowCount(getItemCount());
-               setEditable(false);
+               super();
+               for (AltosFrequency frequency: AltosUIPreferences.common_frequencies())
+                       add(frequency);
                product = "Unknown";
                serial = 0;
        }