X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosuilib%2FAltosFreqList.java;h=b985d4721ee338b9e92054fcab440527aa60c0b2;hb=e612693e33ef3b0e22db0656792992fa6e961ff2;hp=e1299aaebe89401c5dd3b7898bbb85bafb72007f;hpb=6579e4cae8fea65780f1c4677f29c1fc17ca41e2;p=fw%2Faltos

diff --git a/altosuilib/AltosFreqList.java b/altosuilib/AltosFreqList.java
index e1299aae..b985d472 100644
--- 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;
 	}