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/*
* Copyright © 2011 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altosuilib_3;
import java.util.*;
import javax.swing.*;
import java.awt.event.*;
import org.altusmetrum.altoslib_5.*;
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);
}
boolean label = true;
public void set_label(boolean label) {
this.label = label;
set_label();
}
private void set_label() {
String new_text = "";
if (0 <= selected && selected < frequencies.length) {
AltosFrequency frequency = frequencies[selected];
new_text = String.format("%s%7.3f MHz (%s) ▾",
label ? "Frequency: " : "",
frequency.frequency,
frequency.description);
}
setText(new_text);
}
private void set_selected(AltosFrequency frequency) {
for (int i = 0; i < frequencies.length; i++) {
if (frequencies[i].frequency == frequency.frequency) {
selected = i;
set_label();
}
}
}
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;
if (new_frequency < 0) {
setVisible(false);
return;
}
for (i = 0; i < frequencies.length; i++) {
AltosFrequency f = frequencies[i];
if (f.close(new_frequency)) {
set_selected(f);
return;
}
}
String description = String.format("%s serial %d", product, serial);
AltosFrequency frequency = new AltosFrequency(new_frequency, description);
AltosUIPreferences.add_common_frequency(frequency);
add(frequency);
set_selected(frequency);
}
public void set_product(String new_product) {
product = new_product;
}
public void set_serial(int new_serial) {
serial = new_serial;
}
public double frequency() {
AltosFrequency f = get_selected();
if (f != null)
return f.frequency;
return 434.550;
}
public AltosFreqList(double in_frequency, boolean label) {
super();
this.label = label;
for (AltosFrequency frequency: AltosUIPreferences.common_frequencies())
add(frequency);
product = "Unknown";
serial = 0;
if (in_frequency != 0)
set_frequency(in_frequency);
}
public AltosFreqList(double in_frequency) {
this(in_frequency, true);
}
public AltosFreqList (boolean label) {
this(0, label);
}
public AltosFreqList () {
this(0, true);
}
}
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