Add preset saving and deck focus

[SugarCubes.git] / _Presets.pde

diff --git a/_Presets.pde b/_Presets.pde
index ada8bb1ba21a5f986d2dde8a05b5484e06b495a1..f1855c63aa4f2c4c57eaba9f2030cc9b802ca108 100644 (file)
--- a/_Presets.pde
+++ b/_Presets.pde
@@ -2,9 +2,10 @@ interface PresetListener {
   public void onPresetLoaded(Preset preset);
   public void onPresetDirty(Preset preset);
   public void onPresetStored(Preset preset);
+  public void onPresetUnloaded();
 }
 
-class PresetManager {
+class PresetManager implements LXParameter.Listener {
   
   public static final int NUM_PRESETS = 8;
   public static final String FILENAME = "data/presets.txt";
@@ -13,7 +14,8 @@ class PresetManager {
   private final Preset[] presets = new Preset[NUM_PRESETS];
   private final List<PresetListener> listeners = new ArrayList<PresetListener>();
   
-  private LXPattern loadedPreset = null;
+  private Preset loadedPreset = null;
+  private LXPattern loadedPattern = null;
   
   PresetManager() {
     for (int i = 0; i < presets.length; ++i) {
@@ -31,6 +33,28 @@ class PresetManager {
         }
       }
     }
+    for (Engine.Deck deck : lx.engine.getDecks()) {
+      deck.addListener(new Engine.AbstractListener() {
+        public void patternDidChange(Engine.Deck deck, LXPattern pattern) {
+          if (midiEngine.getFocusedDeck() == deck) {
+            if (pattern != loadedPattern) {
+              onPresetDirty();
+            }
+          }
+        }
+      });
+    }
+  }
+  
+  public void setMidiEngine(MidiEngine midiEngine) {
+    midiEngine.addListener(new MidiEngineListener() {
+      public void onFocusedDeck(int deckIndex) {
+        loadedPreset = null;
+        for (PresetListener listener : listeners) {
+          listener.onPresetUnloaded();
+        }
+      }
+    });
   }
   
   public void addListener(PresetListener listener) {
@@ -43,12 +67,38 @@ class PresetManager {
 
   public void store(int index) {
     presets[index].store(midiEngine.getFocusedPattern());
+    for (PresetListener listener : listeners) {
+      listener.onPresetStored(presets[index]);
+    }
+    select(index);
   }
   
   public void onPresetLoaded(Preset preset, LXPattern pattern) {
+    if (loadedPattern != pattern) {
+      if (loadedPattern != null) {
+        for (LXParameter p : loadedPattern.getParameters()) {
+          ((LXListenableParameter) p).removeListener(this);
+        }
+      }
+    }
     for (PresetListener listener : listeners) {
       listener.onPresetLoaded(preset);
     }
+    loadedPreset = preset;
+    loadedPattern = pattern;
+    for (LXParameter p : loadedPattern.getParameters()) {
+      ((LXListenableParameter) p).addListener(this);
+    }
+  }
+  
+  private void onPresetDirty() {
+    for (PresetListener listener : listeners) {
+      listener.onPresetDirty(loadedPreset);
+    }
+  }
+  
+  public void onParameterChanged(LXParameter p) {
+    onPresetDirty();
   }
   
   public void write() {