1 interface PresetListener {
2 public void onPresetLoaded(Preset preset);
3 public void onPresetDirty(Preset preset);
4 public void onPresetStored(Preset preset);
5 public void onPresetUnloaded();
8 class PresetManager implements LXParameter.Listener {
10 public static final int NUM_PRESETS = 8;
11 public static final String FILENAME = "data/presets.txt";
12 public static final String DELIMITER = "\t";
14 private final Preset[] presets = new Preset[NUM_PRESETS];
15 private final List<PresetListener> listeners = new ArrayList<PresetListener>();
17 private Preset loadedPreset = null;
18 private LXPattern loadedPattern = null;
21 for (int i = 0; i < presets.length; ++i) {
22 presets[i] = new Preset(this, i);
24 String[] values = loadStrings(FILENAME);
29 for (String serialized : values) {
30 presets[i++].load(serialized);
31 if (i >= NUM_PRESETS) {
36 for (Engine.Deck deck : lx.engine.getDecks()) {
37 deck.addListener(new Engine.AbstractListener() {
38 public void patternDidChange(Engine.Deck deck, LXPattern pattern) {
39 if (midiEngine.getFocusedDeck() == deck) {
40 if (pattern != loadedPattern) {
49 public void setMidiEngine(MidiEngine midiEngine) {
50 midiEngine.addListener(new MidiEngineListener() {
51 public void onFocusedDeck(int deckIndex) {
53 for (PresetListener listener : listeners) {
54 listener.onPresetUnloaded();
60 public void addListener(PresetListener listener) {
61 listeners.add(listener);
64 public void dirty(LXPattern pattern) {
65 if (loadedPattern == pattern) {
70 public void select(Engine.Deck deck, int index) {
71 presets[index].select(deck);
74 public void store(Engine.Deck deck, int index) {
75 presets[index].store(midiEngine.getFocusedPattern());
76 for (PresetListener listener : listeners) {
77 listener.onPresetStored(presets[index]);
82 public void onPresetLoaded(Preset preset, LXPattern pattern) {
83 if (loadedPattern != pattern) {
84 if (loadedPattern != null) {
85 for (LXParameter p : loadedPattern.getParameters()) {
86 ((LXListenableParameter) p).removeListener(this);
90 for (PresetListener listener : listeners) {
91 listener.onPresetLoaded(preset);
93 loadedPreset = preset;
94 loadedPattern = pattern;
95 for (LXParameter p : loadedPattern.getParameters()) {
96 ((LXListenableParameter) p).addListener(this);
100 private void onPresetDirty() {
101 if (loadedPreset != null) {
102 for (PresetListener listener : listeners) {
103 listener.onPresetDirty(loadedPreset);
108 public void onParameterChanged(LXParameter p) {
112 public void write() {
113 String[] lines = new String[NUM_PRESETS];
115 for (Preset preset : presets) {
116 lines[i++] = preset.serialize();
118 saveStrings(FILENAME, lines);
124 final PresetManager manager;
128 final Map<String, Float> parameters = new HashMap<String, Float>();
130 Preset(PresetManager manager, int index) {
131 this.manager = manager;
135 public void load(String serialized) {
139 String[] parts = serialized.split(PresetManager.DELIMITER);
140 className = parts[0];
142 while (i < parts.length - 1) {
143 parameters.put(parts[i], Float.parseFloat(parts[i+1]));
146 } catch (Exception x) {
152 public String serialize() {
153 if (className == null) {
156 String val = className + PresetManager.DELIMITER;
157 for (String pKey : parameters.keySet()) {
158 val += pKey + PresetManager.DELIMITER + parameters.get(pKey) + PresetManager.DELIMITER;
163 public void store(LXPattern pattern) {
166 className = pattern.getClass().getName();
167 for (LXParameter p : pattern.getParameters()) {
168 parameters.put(p.getLabel(), p.getValuef());
170 if (pattern instanceof DPat) {
171 DPat dpattern = (DPat) pattern;
172 for (DBool bool : dpattern.bools) {
173 parameters.put(bool.tag, bool.b ? 1.f : 0.f);
175 for (Pick pick : dpattern.picks) {
176 parameters.put(pick.tag, pick.CurRow + pick.CurCol/100.f);
182 public void select(Engine.Deck deck) {
183 for (LXPattern pattern : deck.getPatterns()) {
184 if (pattern.getClass().getName().equals(className)) {
185 for (String pLabel : parameters.keySet()) {
186 for (LXParameter p : pattern.getParameters()) {
187 if (p.getLabel().equals(pLabel)) {
188 p.setValue(parameters.get(pLabel));
191 if (pattern instanceof DPat) {
192 DPat dpattern = (DPat) pattern;
193 for (DBool bool : dpattern.bools) {
194 if (bool.tag.equals(pLabel)) {
195 bool.set(bool.row, bool.col, parameters.get(pLabel) > 0);
198 for (Pick pick : dpattern.picks) {
199 if (pick.tag.equals(pLabel)) {
200 float f = parameters.get(pLabel);
201 pick.set((int) floor(f), (int) round((f%1)*100.));
206 deck.goPattern(pattern);
207 if (pattern instanceof DPat) {
208 ((DPat)pattern).updateLights();
210 manager.onPresetLoaded(this, pattern);