X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.ui%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fui%2Fserializing%2FCodeSnippetSupplier.java;fp=net.mograsim.logic.ui%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fui%2Fserializing%2FCodeSnippetSupplier.java;h=abd0e73ca1933e3aeb0c6444fe5d8c3a7e11f477;hb=5897a6d81c418d27ca5bb402e5f1038e10a191fb;hp=0000000000000000000000000000000000000000;hpb=1e4c26b6d59f2cc40ce5af657c54ce65788e2c43;p=Mograsim.git

diff --git a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/CodeSnippetSupplier.java b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/CodeSnippetSupplier.java
new file mode 100644
index 00000000..abd0e73c
--- /dev/null
+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/CodeSnippetSupplier.java
@@ -0,0 +1,127 @@
+package net.mograsim.logic.ui.serializing;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.google.gson.JsonElement;
+
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
+import net.mograsim.logic.ui.serializing.snippets.Renderer;
+import net.mograsim.logic.ui.serializing.snippets.RendererProvider;
+import net.mograsim.logic.ui.util.JsonHandler;
+import net.mograsim.preferences.ColorDefinition;
+import net.mograsim.preferences.ColorManager;
+import net.mograsim.preferences.Preferences;
+
+public class CodeSnippetSupplier
+{
+	private static final Map<String, String> standardSnippetIDClassNames = new HashMap<>();
+
+	private static final Map<String, RendererProvider> outlineRendererProvidersForComponentClassNames = new HashMap<>();
+	private static final Map<String, RendererProvider> symbolRendererProvidersForComponentClassNames = new HashMap<>();
+
+	private static final RendererProvider defaultOutlineRendererProvider;
+	private static final RendererProvider defaultSymbolRendererProvider;
+	static
+	{
+		// TODO this code does not belong here
+		defaultOutlineRendererProvider = (comp, params) -> (gc, visReg) ->
+		{
+			ColorDefinition fg = Preferences.current().getColorDefinition("net.mograsim.logic.ui.color.foreground");
+			if (fg != null)
+				gc.setForeground(ColorManager.current().toColor(fg));
+			gc.drawRectangle(comp.getBounds());
+		};
+		defaultSymbolRendererProvider = (comp, params) -> (gc, visReg) ->
+		{
+			ColorDefinition fg = Preferences.current().getColorDefinition("net.mograsim.logic.ui.color.text");
+			if (fg != null)
+				gc.setForeground(ColorManager.current().toColor(fg));
+			String id = "TODO";// TODO add an ID of sorts to DeserializedSubmodelComponent
+			Point idSize = gc.textExtent(id);
+			Rectangle bounds = comp.getBounds();
+			gc.drawText(id, bounds.x + (bounds.width - idSize.x) / 2, bounds.y + (bounds.height - idSize.y) / 2, true);
+		};
+	}
+
+	static
+	{
+		try (InputStream s = IndirectGUIComponentCreator.class.getResourceAsStream("./mapping.json"))
+		{
+			if (s == null)
+				throw new IOException("Resource not found");
+			Map<String, String> tmp = JsonHandler.readJson(s, Map.class);
+			standardSnippetIDClassNames.putAll(tmp);
+		}
+		catch (IOException e)
+		{
+			System.err.println("Failed to initialize standard snippet ID mapping: " + e.getMessage());
+		}
+	}
+
+	public static void addStandardSnippetID(String standardSnippetID, String associatedSnippetClassName)
+	{
+		standardSnippetIDClassNames.put(standardSnippetID, associatedSnippetClassName);
+	}
+
+	public static void setOutlineRendererProvider(String id, RendererProvider outlineRendererProvider)
+	{
+		outlineRendererProvidersForComponentClassNames.put(id, outlineRendererProvider);
+	}
+
+	public static void setSymbolRendererProvider(String id, RendererProvider symbolRendererProvider)
+	{
+		symbolRendererProvidersForComponentClassNames.put(id, symbolRendererProvider);
+	}
+
+	public static Renderer createOutlineRenderer(String id, DeserializedSubmodelComponent component, JsonElement params)
+	{
+		return getSnippet(id, outlineRendererProvidersForComponentClassNames, defaultOutlineRendererProvider).create(component, params);
+	}
+
+	public static Renderer createSymbolRenderer(String id, DeserializedSubmodelComponent component, JsonElement params)
+	{
+		return getSnippet(id, symbolRendererProvidersForComponentClassNames, defaultSymbolRendererProvider).create(component, params);
+	}
+
+	// TODO report errors
+	private static <C> C getSnippet(String id, Map<String, C> specializedCodeMap, C defaultSnippet)
+	{
+		if (id != null)
+		{
+			String snippetClassName;
+			if (id.startsWith("class:"))
+				snippetClassName = id.substring(6);
+			else
+				snippetClassName = standardSnippetIDClassNames.get(id);
+			if (snippetClassName != null)
+			{
+				tryLoadSnippetClass(snippetClassName);
+				C specializedCode = specializedCodeMap.get(snippetClassName);
+				if (specializedCode != null)
+					return specializedCode;
+			}
+		}
+		return defaultSnippet;
+	}
+
+	private static void tryLoadSnippetClass(String snippetClassName)
+	{
+		tryLoadClass(snippetClassName, "Error getting snippet code for component class: %s\n");
+	}
+
+	public static void tryLoadClass(String className, String errorMessageFormat)
+	{
+		try
+		{
+			CodeSnippetSupplier.class.getClassLoader().loadClass(className);
+		}
+		catch (@SuppressWarnings("unused") ClassNotFoundException e)
+		{
+			System.err.printf(errorMessageFormat, className);
+		}
+	}
+}
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