From 90506d09a405fb20380a41bb7c89fb9c510f2d42 Mon Sep 17 00:00:00 2001
From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Mon, 31 Aug 2020 14:06:16 +0300
Subject: [PATCH] Introduce DebuggerCanvasProxy to avoid compile time AWT
 toolkit init

gitlab #593

Change-Id: Ie625f8bc7becbce47f7d035ba6f73eec0ba5566c
(cherry picked from commit c8112ea7b21b56ef632d80765a7f4d113a7d3468)
---
 .../scl/Simantics/GraphicalDebugger.scl       |  2 +-
 .../debug/graphical/DebuggerCanvasProxy.java  | 32 +++++++++++++++++++
 .../debug/graphical/GraphicalDebugger.java    |  4 +--
 3 files changed, 35 insertions(+), 3 deletions(-)
 create mode 100644 bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/DebuggerCanvasProxy.java

diff --git a/bundles/org.simantics.debug.graphical/scl/Simantics/GraphicalDebugger.scl b/bundles/org.simantics.debug.graphical/scl/Simantics/GraphicalDebugger.scl
index 7a23274c4..0542beb1d 100644
--- a/bundles/org.simantics.debug.graphical/scl/Simantics/GraphicalDebugger.scl
+++ b/bundles/org.simantics.debug.graphical/scl/Simantics/GraphicalDebugger.scl
@@ -1,6 +1,6 @@
 import "Simantics/DB"
 
-importJava "org.simantics.debug.graphical.DebuggerCanvas" where
+importJava "org.simantics.debug.graphical.DebuggerCanvasProxy" where
     data GraphDebugger
 
     setStatementFilter :: GraphDebugger -> (Statement -> <ReadGraph,Proc> Boolean) -> <Proc> ()
diff --git a/bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/DebuggerCanvasProxy.java b/bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/DebuggerCanvasProxy.java
new file mode 100644
index 000000000..bf7a73887
--- /dev/null
+++ b/bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/DebuggerCanvasProxy.java
@@ -0,0 +1,32 @@
+package org.simantics.debug.graphical;
+
+import org.simantics.db.Resource;
+import org.simantics.scl.runtime.function.Function;
+
+/**
+ * <code>Simantics/GraphicalDebugger</code> SCL API to avoid undesired AWT
+ * toolkit initialization.
+ * 
+ * @author Tuukka Lehtonen
+ */
+public class DebuggerCanvasProxy {
+
+    DebuggerCanvas canvas;
+
+    public void setStatementFilter(@SuppressWarnings("rawtypes") Function statementFilter) {
+        canvas.setStatementFilter(statementFilter);
+    }
+
+    public void removeStatementFilter() {
+        canvas.removeStatementFilter();
+    }
+
+    public void addResource(Resource resource) {
+        canvas.addResource(resource);
+    }
+
+    public DebuggerCanvasProxy(DebuggerCanvas canvas) {
+        this.canvas = canvas;
+    }
+
+}
diff --git a/bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/GraphicalDebugger.java b/bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/GraphicalDebugger.java
index 9091a27f9..81844e4ae 100644
--- a/bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/GraphicalDebugger.java
+++ b/bundles/org.simantics.debug.graphical/src/org/simantics/debug/graphical/GraphicalDebugger.java
@@ -11,7 +11,7 @@ import javax.swing.JFrame;
 
 public class GraphicalDebugger {
 
-    public static DebuggerCanvas newGraphDebugger() {
+    public static DebuggerCanvasProxy newGraphDebugger() {
         final JFrame frame = new JFrame();
         frame.setTitle("Graph debugger");
         Toolkit tk = Toolkit.getDefaultToolkit();
@@ -53,7 +53,7 @@ public class GraphicalDebugger {
         });        
         frame.setVisible(true);
         
-        return canvas;
+        return new DebuggerCanvasProxy(canvas);
     }
     
 }
-- 
2.43.2