X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.model%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fmodel%2Fserializing%2FIndirectGUIComponentCreator.java;fp=net.mograsim.logic.model%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fmodel%2Fserializing%2FIndirectGUIComponentCreator.java;h=874a8a8b377912a1e6f4561a3d1de6fc0cd66ecf;hb=b5d8c2d71e27350ea7c9314e40df5bb0584271cd;hp=0000000000000000000000000000000000000000;hpb=69cb6725ef670328959d55649257ded6ac924b33;p=Mograsim.git

diff --git a/net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/IndirectGUIComponentCreator.java b/net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/IndirectGUIComponentCreator.java
new file mode 100644
index 00000000..874a8a8b
--- /dev/null
+++ b/net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/IndirectGUIComponentCreator.java
@@ -0,0 +1,107 @@
+package net.mograsim.logic.model.serializing;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonNull;
+
+import net.mograsim.logic.model.model.ViewModelModifiable;
+import net.mograsim.logic.model.model.components.GUIComponent;
+import net.mograsim.logic.model.util.JsonHandler;
+
+public class IndirectGUIComponentCreator
+{
+	private static final Map<String, String> standardComponentIDs = new HashMap<>();
+
+	private static final Map<String, ComponentSupplier> componentSuppliers = new HashMap<>();
+
+	static
+	{
+		try (InputStream s = IndirectGUIComponentCreator.class.getResourceAsStream("./standardComponentIDMapping.json"))
+		{
+			if (s == null)
+				throw new IOException("Resource not found");
+			Map<String, String> tmp = JsonHandler.readJson(s, Map.class);
+			// don't use putAll to apply sanity checks
+			tmp.forEach((st, id) ->
+			{
+				try
+				{
+					addStandardComponentID(st, id);
+				}
+				catch (IllegalArgumentException e)
+				{
+					System.err.println("Component ID mapping contained illegal entry: " + e.getMessage());
+				}
+			});
+		}
+		catch (IOException e)
+		{
+			System.err.println("Failed to initialize standard snippet ID mapping: " + e.getMessage());
+		}
+	}
+
+	public static void addStandardComponentID(String standardComponentID, String associatedComponentID)
+	{
+		if (!associatedComponentID.startsWith("file:") && !associatedComponentID.startsWith("class:"))
+			throw new IllegalArgumentException("Unrecognized component ID format: " + associatedComponentID);
+		standardComponentIDs.put(standardComponentID, associatedComponentID);
+	}
+
+	public static void setComponentSupplier(String className, ComponentSupplier componentSupplier)
+	{
+		componentSuppliers.put(className, componentSupplier);
+	}
+
+	public static GUIComponent createComponent(ViewModelModifiable model, String id)
+	{
+		return createComponent(model, id, (String) null);
+	}
+
+	public static GUIComponent createComponent(ViewModelModifiable model, String id, String name)
+	{
+		return createComponent(model, id, JsonNull.INSTANCE, name);
+	}
+
+	public static GUIComponent createComponent(ViewModelModifiable model, String id, JsonElement params)
+	{
+		return createComponent(model, id, params, null);
+	}
+
+	public static GUIComponent createComponent(ViewModelModifiable model, String id, JsonElement params, String name)
+	{
+		if (id != null)
+		{
+			String resolvedID;
+			if (id.startsWith("class:") || id.startsWith("file:"))
+				resolvedID = id;
+			else
+				resolvedID = standardComponentIDs.get(id);
+			if (resolvedID.startsWith("class:"))
+			{
+				String className = resolvedID.substring(6);
+				tryLoadComponentClass(className);
+				ComponentSupplier componentSupplier = componentSuppliers.get(className);
+				if (componentSupplier != null)
+					return componentSupplier.create(model, params, name);
+			} else
+				// we know id has to start with "file:" here
+				// because standardComponentIDs only contains strings starting with "class:" or "file:"
+				return SubmodelComponentDeserializer.create(model, resolvedID.substring(5), name);
+		}
+		throw new RuntimeException("Could not get component supplier for ID " + id);
+	}
+
+	private static void tryLoadComponentClass(String componentClassName)
+	{
+		CodeSnippetSupplier.tryInvokeStaticInitializer(componentClassName, "Error loading component class %s: %s\n");
+	}
+
+	public static interface ComponentSupplier
+	{
+		public GUIComponent create(ViewModelModifiable model, JsonElement params, String name);
+	}
+}
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