start hooking up fileChooser to use valueTree instead of coupling to fluidSynth model

Source/FilePicker.cpp

@@ -4,6 +4,7 @@
 
 #include "FilePicker.h"
 #include "MyColours.h"
+#include "Util.h"
 
 FilePicker::FilePicker(
     AudioProcessorValueTreeState& valueTreeState,
@@ -25,13 +26,17 @@ FilePicker::FilePicker(
     // faster (rounded edges introduce transparency)
     setOpaque (true);
 
-    setDisplayedFilePath(fluidSynthModel.getCurrentSoundFontAbsPath());
+    // setDisplayedFilePath(fluidSynthModel.getCurrentSoundFontAbsPath());
+    setDisplayedFilePath("");
 
     addAndMakeVisible (fileChooser);
     fileChooser.addListener (this);
+    valueTreeState.state.addListener(this);
+    valueTreeState.state.getChildWithName("soundFont").sendPropertyChangeMessage("path");
 }
 FilePicker::~FilePicker() {
     fileChooser.removeListener (this);
+    valueTreeState.state.removeListener(this);
 }
 
 void FilePicker::resized() {
@@ -48,15 +53,31 @@ void FilePicker::paint(Graphics& g)
 }
 
 void FilePicker::filenameComponentChanged (FilenameComponent*) {
-    currentPath = fileChooser.getCurrentFile().getFullPathName();
-    fluidSynthModel.onFileNameChanged(fileChooser.getCurrentFile().getFullPathName(), -1, -1);
+    // currentPath = fileChooser.getCurrentFile().getFullPathName();
+    // fluidSynthModel.onFileNameChanged(fileChooser.getCurrentFile().getFullPathName(), -1, -1);
+    Value value{valueTreeState.state.getChildWithName("soundFont").getPropertyAsValue("path", nullptr)};
+    value = fileChooser.getCurrentFile().getFullPathName();
+}
+
+void FilePicker::valueTreePropertyChanged(ValueTree& treeWhosePropertyHasChanged,
+                                               const Identifier& property) {
+    if (treeWhosePropertyHasChanged.getType() == StringRef("soundFont")) {
+    // if (&treeWhosePropertyHasChanged == &valueTree) {
+        if (property == StringRef("path")) {
+            String soundFontPath{treeWhosePropertyHasChanged.getProperty("path", "")};
+            DEBUG_PRINT(soundFontPath);
+            // if (soundFontPath.isNotEmpty()) {
+            //     loadFont(soundFontPath);
+            // }
+        }
+    }
 }
 
 void FilePicker::setDisplayedFilePath(const String& path) {
-    if (!shouldChangeDisplayedFilePath(path)) {
-        return;
-    }
-    currentPath = path;
+    // if (!shouldChangeDisplayedFilePath(path)) {
+    //     return;
+    // }
+    // currentPath = path;
     fileChooser.setCurrentFile(File(path), true, dontSendNotification);
 }
 
@@ -68,4 +89,4 @@ bool FilePicker::shouldChangeDisplayedFilePath(const String &path) {
         return false;
     }
     return true;
-}
+}

Source/FilePicker.h

@@ -10,6 +10,7 @@
 
 class FilePicker: public Component,
                   public FilePickerFragment,
+                  public ValueTree::Listener,
                   private FilenameComponentListener
 {
 public:
@@ -23,6 +24,19 @@ public:
     void paint (Graphics& g) override;
 
     virtual void setDisplayedFilePath(const String&) override;
+    
+
+    virtual void valueTreePropertyChanged (ValueTree& treeWhosePropertyHasChanged,
+                                           const Identifier& property) override;
+    inline virtual void valueTreeChildAdded (ValueTree& parentTree,
+                                             ValueTree& childWhichHasBeenAdded) override {};
+    inline virtual void valueTreeChildRemoved (ValueTree& parentTree,
+                                               ValueTree& childWhichHasBeenRemoved,
+                                               int indexFromWhichChildWasRemoved) override {};
+    inline virtual void valueTreeChildOrderChanged (ValueTree& parentTreeWhoseChildrenHaveMoved,
+                                                    int oldIndex, int newIndex) override {};
+    inline virtual void valueTreeParentChanged (ValueTree& treeWhoseParentHasChanged) override {};
+    inline virtual void valueTreeRedirected (ValueTree& treeWhichHasBeenChanged) override {};
 private:
     FilenameComponent fileChooser;
 

Source/FluidSynthModel.cpp

@@ -27,11 +27,11 @@ FluidSynthModel::FluidSynthModel(
 , channel{0}/*,
 mod(nullptr)*/
 {
-    valueTreeState.state.getChildWithName("soundFont").addListener(this);
+    valueTreeState.state.addListener(this);
 }
 
 FluidSynthModel::~FluidSynthModel() {
-    valueTreeState.state.getChildWithName("soundFont").removeListener(this);
+    valueTreeState.state.removeListener(this);
     // if (initialised) {
 //        delete_fluid_audio_driver(driver);
         // delete_fluid_synth(synth);
@@ -196,7 +196,7 @@ void FluidSynthModel::initialise() {
     fluid_mod_set_amount(mod.get(), 1000.0f);
     fluid_synth_add_default_mod(synth.get(), mod.get(), FLUID_SYNTH_ADD);
     
-    valueTreeState.state.sendPropertyChangeMessage("soundFont");
+    valueTreeState.state.getChildWithName("soundFont").sendPropertyChangeMessage("path");
     // valueTree.sendPropertyChangeMessage("soundFontPath");
 
     // initialised = true;

Source/PluginProcessor.h

@@ -76,7 +76,7 @@ private:
 
 //    Params sharedParams;
     AudioProcessorValueTreeState valueTreeState;
-    ValueTree valueTree;
+    // ValueTree valueTree;
 
     FluidSynthModel fluidSynthModel;
     // fluid_synth_t* fluidSynth;