From 47f6a506bcaa72a0ff4d5e8611d4c8e8b317c98a Mon Sep 17 00:00:00 2001
From: Christoph Hart <christoph-hart@gmx.de>
Date: Thu, 23 Jan 2025 11:38:12 +0100
Subject: [PATCH] - add ability to create dynamic components from encoded
 dialogs

---
 hi_tools/hi_multipage/PageFactory.h | 40 ++++++++++++++++++++++++-----
 hi_tools/hi_multipage/State.h       |  2 ++
 2 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/hi_tools/hi_multipage/PageFactory.h b/hi_tools/hi_multipage/PageFactory.h
index e9f7c22f58..838dad69c7 100644
--- a/hi_tools/hi_multipage/PageFactory.h
+++ b/hi_tools/hi_multipage/PageFactory.h
@@ -260,14 +260,42 @@ struct DummyContent: public Component,
 
     void paint(Graphics& g) override
     {
-	    g.fillAll(Colours::white.withAlpha(0.1f));
-        g.setColour(Colours::white.withAlpha(0.7f));
-        g.setFont(GLOBAL_MONOSPACE_FONT());
-        g.drawRect(getLocalBounds(), 1);
-        g.drawText("Placeholder for " + classId, getLocalBounds().toFloat(), Justification::centred);
+        if(dynamicContent == nullptr)
+        {
+	        g.fillAll(Colours::white.withAlpha(0.1f));
+	        g.setColour(Colours::white.withAlpha(0.7f));
+	        g.setFont(GLOBAL_MONOSPACE_FONT());
+	        g.drawRect(getLocalBounds(), 1);
+	        g.drawText("Placeholder for " + classId, getLocalBounds().toFloat(), Justification::centred);
+        }
     }
 
-    void postInit() override {};
+    void resized() override
+    {
+	    if(dynamicContent != nullptr)
+	    {
+		    dynamicContent->setBounds(getLocalBounds());
+	    }
+    }
+    
+    void postInit() override
+    {
+        auto& s = rootDialog.getState();
+
+        if(s.dynamicComponentFactory)
+        {
+	        auto newComponent = s.dynamicComponentFactory(classId);
+
+	        if(newComponent != nullptr)
+	        {
+		        addAndMakeVisible(dynamicContent = newComponent);
+	            resized();
+	        }
+        }
+    };
+
+    ScopedPointer<Component> dynamicContent;
+
     Result checkGlobalState(var state) override { return Result::ok(); }
 
     String classId;
diff --git a/hi_tools/hi_multipage/State.h b/hi_tools/hi_multipage/State.h
index 6ea5f9f455..ebb8c71583 100644
--- a/hi_tools/hi_multipage/State.h
+++ b/hi_tools/hi_multipage/State.h
@@ -272,6 +272,8 @@ class State: public Thread,
         logMessage(MessageType::Hlac, message);
         jassertfalse;
 	}
+    
+    std::function<Component*(const String&)> dynamicComponentFactory;
 
 	ScopedPointer<ApiProviderBase> stateProvider;