/**
* For each list dialog, we display the value selected in the "summary" text. When a new value is
* selected from the list dialog, update the summary to the selected entry.
*/
public boolean onPreferenceChange(Preference preference, Object newValue) {
ListPreference list = (ListPreference) preference;
int index = list.findIndexOfValue((String) newValue);
CharSequence entry = list.getEntries()[index];
preference.setSummary(entry);
return true;
}
/** Create the "Key Signature" preference */
private void createKeySignaturePrefs(PreferenceScreen root) {
key = new ListPreference(this);
key.setOnPreferenceChangeListener(this);
key.setTitle(R.string.key_signature);
key.setEntries(R.array.key_signature_entries);
key.setEntryValues(R.array.key_signature_values);
key.setValueIndex(options.key + 1);
key.setSummary(key.getEntry());
root.addPreference(key);
}
/** Create the "Show Note Letters" preference */
private void createShowLetterPrefs(PreferenceScreen root) {
showNoteLetters = new ListPreference(this);
showNoteLetters.setOnPreferenceChangeListener(this);
showNoteLetters.setTitle(R.string.show_note_letters);
showNoteLetters.setEntries(R.array.show_note_letter_entries);
showNoteLetters.setEntryValues(R.array.show_note_letter_values);
showNoteLetters.setValueIndex(options.showNoteLetters);
showNoteLetters.setSummary(showNoteLetters.getEntry());
root.addPreference(showNoteLetters);
}
/**
* Create the "Combine Notes Within Interval" preference. Notes within N milliseconds are combined
* into a single chord, even though their start times may be slightly different.
*/
private void createCombineIntervalPrefs(PreferenceScreen root) {
int selected = options.combineInterval / 20 - 1;
combineInterval = new ListPreference(this);
combineInterval.setOnPreferenceChangeListener(this);
combineInterval.setTitle(R.string.combine_interval);
combineInterval.setEntries(R.array.combine_interval_entries);
combineInterval.setEntryValues(R.array.combine_interval_values);
combineInterval.setValueIndex(selected);
combineInterval.setSummary(combineInterval.getEntry());
root.addPreference(combineInterval);
}
/** Create the "Transpose Notes" preference. The values range from 12, 11, 10, .. -10, -11, -12 */
private void createTransposePrefs(PreferenceScreen root) {
int transposeIndex = 12 - options.transpose;
transpose = new ListPreference(this);
transpose.setOnPreferenceChangeListener(this);
transpose.setTitle(R.string.transpose);
transpose.setEntries(R.array.transpose_entries);
transpose.setEntryValues(R.array.transpose_values);
transpose.setValueIndex(transposeIndex);
transpose.setSummary(transpose.getEntry());
root.addPreference(transpose);
}
/** Create the "Time Signature" preference */
private void createTimeSignaturePrefs(PreferenceScreen root) {
String[] values = {"Default", "3/4", "4/4"};
int selected = 0;
if (options.time != null && options.time.getNumerator() == 3) selected = 1;
else if (options.time != null && options.time.getNumerator() == 4) selected = 2;
time = new ListPreference(this);
time.setOnPreferenceChangeListener(this);
time.setTitle(R.string.time_signature);
time.setEntries(values);
time.setEntryValues(values);
time.setValueIndex(selected);
time.setSummary(time.getEntry());
root.addPreference(time);
}
/** Update the MidiOptions based on the preferences selected. */
private void updateOptions() {
for (int i = 0; i < options.tracks.length; i++) {
options.tracks[i] = selectTracks[i].isChecked();
}
for (int i = 0; i < options.mute.length; i++) {
options.mute[i] = muteTracks[i].isChecked();
}
for (int i = 0; i < options.tracks.length; i++) {
ListPreference entry = selectInstruments[i];
options.instruments[i] = entry.findIndexOfValue(entry.getValue());
}
options.scrollVert = scrollVertically.isChecked();
options.showPiano = showPiano.isChecked();
options.showLyrics = showLyrics.isChecked();
if (twoStaffs != null) options.twoStaffs = twoStaffs.isChecked();
else options.twoStaffs = false;
options.showNoteLetters = Integer.parseInt(showNoteLetters.getValue());
options.transpose = Integer.parseInt(transpose.getValue());
options.key = Integer.parseInt(key.getValue());
if (time.getValue().equals("Default")) {
options.time = null;
} else if (time.getValue().equals("3/4")) {
options.time =
new TimeSignature(3, 4, options.defaultTime.getQuarter(), options.defaultTime.getTempo());
} else if (time.getValue().equals("4/4")) {
options.time =
new TimeSignature(4, 4, options.defaultTime.getQuarter(), options.defaultTime.getTempo());
}
options.combineInterval = Integer.parseInt(combineInterval.getValue());
options.shade1Color = shade1Color.getColor();
options.shade2Color = shade2Color.getColor();
options.showMeasures = showMeasures.isChecked();
options.playMeasuresInLoop = playMeasuresInLoop.isChecked();
options.playMeasuresInLoopStart = Integer.parseInt(loopStart.getValue()) - 1;
options.playMeasuresInLoopEnd = Integer.parseInt(loopEnd.getValue()) - 1;
}
/**
* Create the "Play Measures in a Loop" preference.
*
* <p>Note that we display the measure numbers starting at 1, but the actual
* playMeasuresInLoopStart field starts at 0.
*/
private void createPlayMeasuresInLoopPrefs(PreferenceScreen root) {
String[] values = new String[options.lastMeasure + 1];
for (int measure = 0; measure < values.length; measure++) {
values[measure] = "" + (measure + 1);
}
PreferenceCategory playLoopTitle = new PreferenceCategory(this);
playLoopTitle.setTitle(R.string.play_measures_in_loop_title);
root.addPreference(playLoopTitle);
showMeasures = new CheckBoxPreference(this);
showMeasures.setTitle(R.string.show_measures);
showMeasures.setChecked(options.showMeasures);
root.addPreference(showMeasures);
playMeasuresInLoop = new CheckBoxPreference(this);
playMeasuresInLoop.setTitle(R.string.play_measures_in_loop);
playMeasuresInLoop.setChecked(options.playMeasuresInLoop);
root.addPreference(playMeasuresInLoop);
loopStart = new ListPreference(this);
loopStart.setOnPreferenceChangeListener(this);
loopStart.setTitle(R.string.play_measures_in_loop_start);
loopStart.setEntries(values);
loopStart.setEntryValues(values);
loopStart.setValueIndex(options.playMeasuresInLoopStart);
loopStart.setSummary(loopStart.getEntry());
root.addPreference(loopStart);
loopEnd = new ListPreference(this);
loopEnd.setOnPreferenceChangeListener(this);
loopEnd.setTitle(R.string.play_measures_in_loop_end);
loopEnd.setEntries(values);
loopEnd.setEntryValues(values);
loopEnd.setValueIndex(options.playMeasuresInLoopEnd);
loopEnd.setSummary(loopEnd.getEntry());
root.addPreference(loopEnd);
}