Renamed logic.ui to logic.model

[Mograsim.git] / net.mograsim.logic.model / src / net / mograsim / logic / model / serializing / IndirectGUIComponentCreator.java

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 (file)
index 0000000..874a8a8
--- /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);
+       }
+}
\ No newline at end of file