From 050e5b0c7c58b6c65f89789f3e551e6bea622ecf Mon Sep 17 00:00:00 2001
From: jsimomaa <jani.simomaa@gmail.com>
Date: Tue, 19 Mar 2019 10:27:17 +0200
Subject: [PATCH] Fix server SCL handler value request for procedural user
 components

gitlab #277

Change-Id: Iedfbcec6411f98a197eff947673c0400fcd0d4b8
---
 .../request/ServerSCLHandlerValueRequest.java | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/bundles/org.simantics.document.server/src/org/simantics/document/server/request/ServerSCLHandlerValueRequest.java b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/ServerSCLHandlerValueRequest.java
index ab5e7a8e4..8ca55eaa5 100644
--- a/bundles/org.simantics.document.server/src/org/simantics/document/server/request/ServerSCLHandlerValueRequest.java
+++ b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/ServerSCLHandlerValueRequest.java
@@ -1,5 +1,6 @@
 package org.simantics.document.server.request;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
@@ -65,7 +66,7 @@ public class ServerSCLHandlerValueRequest extends AbstractExpressionCompilationR
 	}
 
 	public ServerSCLHandlerValueRequest(ReadGraph graph, Resource s, Resource o, Resource p) throws DatabaseException {
-		this(getComponentTypeAndRoot(graph, s), o, resolveExpectedValueType(graph, p));
+		this(getComponentTypeAndRoot(graph, s, o), o, resolveExpectedValueType(graph, p));
 	}
 
 	private static Pair<Resource,Resource> getComponentTypeAndRoot(ReadGraph graph, Variable property)  throws DatabaseException {
@@ -83,7 +84,7 @@ public class ServerSCLHandlerValueRequest extends AbstractExpressionCompilationR
 		return Pair.make(parent.getType(graph), root);
 	}
 
-	private static Pair<Resource,Resource> getComponentTypeAndRoot(ReadGraph graph, Resource component)  throws DatabaseException {
+	private static Pair<Resource,Resource> getComponentTypeAndRoot(ReadGraph graph, Resource component, Resource literal)  throws DatabaseException {
 		if(component != null) {
 			Resource type = graph.syncRequest(new FindPossibleComponentTypeRequest(component));
 			if(type != null) {
@@ -95,8 +96,15 @@ public class ServerSCLHandlerValueRequest extends AbstractExpressionCompilationR
 				Resource root = graph.syncRequest(new IndexRoot(doc));
 				return Pair.make(componentType, root);
 			}
+			// TODO: For Antti to consider and fix later
+			// Introduced to handle procedural user components where component == null
+		} else if (literal != null) {
+		    Resource root = graph.syncRequest(new IndexRoot(literal));
+		    return Pair.make(null, root);
+		} else {
+		    throw new DatabaseException("Couldn't resolve component type and root for component == null && literal == null");
 		}
-		throw new IllegalStateException();
+		//throw new IllegalStateException();
 	}
 
     public static List<TCon> getEffects(ReadGraph graph, Variable context) throws DatabaseException {
@@ -158,9 +166,19 @@ public class ServerSCLHandlerValueRequest extends AbstractExpressionCompilationR
 			@Override
 			public CompilationContext perform(ReadGraph graph) throws DatabaseException {
 				RuntimeEnvironment runtimeEnvironment = graph.syncRequest(getRuntimeEnvironmentRequest(parameter.first, parameter.second));
-				Map<String, ComponentTypeProperty> propertyMap =
-						graph.syncRequest(new ReadComponentTypeInterfaceRequest(parameter.first, runtimeEnvironment.getEnvironment()),
-								TransientCacheListener.<Map<String, ComponentTypeProperty>>instance());
+                Map<String, ComponentTypeProperty> propertyMap;
+                if (parameter.first != null) {
+                    propertyMap =
+                        graph.syncRequest(new ReadComponentTypeInterfaceRequest(parameter.first, runtimeEnvironment.getEnvironment()),
+                                TransientCacheListener.<Map<String, ComponentTypeProperty>>instance());
+                } else {
+                    // TODO: Antti to consider
+                    // To handle procedural user components
+                    propertyMap = Collections.emptyMap();
+                }
+//				Map<String, ComponentTypeProperty> propertyMap =
+//						graph.syncRequest(new ReadComponentTypeInterfaceRequest(parameter.first, runtimeEnvironment.getEnvironment()),
+//								TransientCacheListener.<Map<String, ComponentTypeProperty>>instance());
 				return new CompilationContext(runtimeEnvironment, propertyMap);
 			}
 		});
-- 
2.43.2