Commit | Line | Data |
---|---|---|
e0794d3a MS |
1 | interface PresetListener { |
2 | public void onPresetLoaded(Preset preset); | |
3 | public void onPresetDirty(Preset preset); | |
4 | public void onPresetStored(Preset preset); | |
5 | } | |
6 | ||
c1d777c9 | 7 | class PresetManager implements LXParameter.Listener { |
e0794d3a MS |
8 | |
9 | public static final int NUM_PRESETS = 8; | |
10 | public static final String FILENAME = "data/presets.txt"; | |
11 | public static final String DELIMITER = "\t"; | |
12 | ||
13 | private final Preset[] presets = new Preset[NUM_PRESETS]; | |
14 | private final List<PresetListener> listeners = new ArrayList<PresetListener>(); | |
15 | ||
c1d777c9 MS |
16 | private Preset loadedPreset = null; |
17 | private LXPattern loadedPattern = null; | |
e0794d3a MS |
18 | |
19 | PresetManager() { | |
20 | for (int i = 0; i < presets.length; ++i) { | |
21 | presets[i] = new Preset(this, i); | |
22 | } | |
23 | String[] values = loadStrings(FILENAME); | |
24 | if (values == null) { | |
25 | write(); | |
26 | } else { | |
27 | int i = 0; | |
28 | for (String serialized : values) { | |
29 | presets[i++].load(serialized); | |
30 | if (i >= NUM_PRESETS) { | |
31 | break; | |
32 | } | |
33 | } | |
34 | } | |
35 | } | |
36 | ||
37 | public void addListener(PresetListener listener) { | |
38 | listeners.add(listener); | |
39 | } | |
40 | ||
41 | public void select(int index) { | |
42 | presets[index].select(); | |
43 | } | |
44 | ||
45 | public void store(int index) { | |
46 | presets[index].store(midiEngine.getFocusedPattern()); | |
c1d777c9 | 47 | select(index); |
e0794d3a MS |
48 | } |
49 | ||
50 | public void onPresetLoaded(Preset preset, LXPattern pattern) { | |
c1d777c9 MS |
51 | if (loadedPattern != pattern) { |
52 | if (loadedPattern != null) { | |
53 | for (LXParameter p : loadedPattern.getParameters()) { | |
54 | ((LXListenableParameter) p).removeListener(this); | |
55 | } | |
56 | } | |
57 | } | |
e0794d3a MS |
58 | for (PresetListener listener : listeners) { |
59 | listener.onPresetLoaded(preset); | |
c1d777c9 MS |
60 | } |
61 | loadedPreset = preset; | |
62 | loadedPattern = pattern; | |
63 | for (LXParameter p : loadedPattern.getParameters()) { | |
64 | ((LXListenableParameter) p).addListener(this); | |
65 | } | |
66 | } | |
67 | ||
68 | public void onParameterChanged(LXParameter p) { | |
69 | for (PresetListener listener : listeners) { | |
70 | listener.onPresetDirty(loadedPreset); | |
e0794d3a MS |
71 | } |
72 | } | |
73 | ||
74 | public void write() { | |
75 | String[] lines = new String[NUM_PRESETS]; | |
76 | int i = 0; | |
77 | for (Preset preset : presets) { | |
78 | lines[i++] = preset.serialize(); | |
79 | } | |
80 | saveStrings(FILENAME, lines); | |
81 | } | |
82 | } | |
83 | ||
84 | class Preset { | |
85 | ||
86 | final PresetManager manager; | |
87 | final int index; | |
88 | ||
89 | String className; | |
90 | final Map<String, Float> parameters = new HashMap<String, Float>(); | |
91 | ||
92 | Preset(PresetManager manager, int index) { | |
93 | this.manager = manager; | |
94 | this.index = index; | |
95 | } | |
96 | ||
97 | public void load(String serialized) { | |
98 | className = null; | |
99 | parameters.clear(); | |
100 | try { | |
101 | String[] parts = serialized.split(PresetManager.DELIMITER); | |
102 | className = parts[0]; | |
103 | int i = 1; | |
104 | while (i < parts.length - 1) { | |
105 | parameters.put(parts[i], Float.parseFloat(parts[i+1])); | |
106 | i += 2; | |
107 | } | |
108 | } catch (Exception x) { | |
109 | className = null; | |
110 | parameters.clear(); | |
111 | } | |
112 | } | |
113 | ||
114 | public String serialize() { | |
115 | if (className == null) { | |
116 | return "null"; | |
117 | } | |
118 | String val = className + PresetManager.DELIMITER; | |
119 | for (String pKey : parameters.keySet()) { | |
120 | val += pKey + PresetManager.DELIMITER + parameters.get(pKey) + PresetManager.DELIMITER; | |
121 | } | |
122 | return val; | |
123 | } | |
124 | ||
125 | public void store(LXPattern pattern) { | |
126 | className = null; | |
127 | parameters.clear(); | |
128 | className = pattern.getClass().getName(); | |
129 | for (LXParameter p : pattern.getParameters()) { | |
130 | parameters.put(p.getLabel(), p.getValuef()); | |
131 | } | |
132 | manager.write(); | |
133 | } | |
134 | ||
135 | public void select() { | |
136 | Engine.Deck deck = midiEngine.getFocusedDeck(); | |
137 | for (LXPattern pattern : deck.getPatterns()) { | |
138 | if (pattern.getClass().getName().equals(className)) { | |
139 | for (String pLabel : parameters.keySet()) { | |
140 | for (LXParameter p : pattern.getParameters()) { | |
141 | if (p.getLabel().equals(pLabel)) { | |
142 | p.setValue(parameters.get(pLabel)); | |
143 | } | |
144 | } | |
145 | } | |
146 | deck.goPattern(pattern); | |
147 | manager.onPresetLoaded(this, pattern); | |
148 | break; | |
149 | } | |
150 | } | |
151 | } | |
152 | } | |
153 |