Added link rendering to tools

editor/js/editor.js

@@ -65,6 +65,8 @@ function load() {
         )
         .nodeCanvasObjectMode((node) => state.nodeCanvasObjectMode(node))
         .nodeCanvasObject((node, ctx, globalScale) => state.nodeCanvasObject(node, ctx, globalScale))
+        .linkCanvasObjectMode((link) => state.linkCanvasObjectMode(link))
+        .linkCanvasObject((link, ctx, globalScale) => state.linkCanvasObject(link, ctx, globalScale))
         .onLinkClick((link) => state.onLinkClick(link));
 
     graph.onChangeCallbacks.push((data) => {

editor/js/state.js

@@ -198,6 +198,26 @@ export class State extends Tool {
         return "after";
     }
 
+    linkCanvasObjectMode(link) {
+        var toolValue = this.tool.linkCanvasObjectMode(link);
+
+        if (toolValue !== undefined) {
+            return toolValue;
+        }
+
+        return "after";
+    }
+
+    linkCanvasObject(link, ctx, globalScale) {
+        var toolValue = this.tool.linkCanvasObject(link, ctx);
+
+        if (toolValue !== undefined) {
+            return toolValue;
+        }
+        
+        return undefined;
+    }
+
     linkWidth(link) {
         var toolValue = this.tool.linkWidth(link);
 

editor/js/tools/tool.js

@@ -93,6 +93,18 @@ export default class Tool {
         }
     }
 
+    linkCanvasObject(link, ctx, globalScale) {
+        if (this.warnings) {
+            console.warn('Method "linkCanvasObject" not implemented.');
+        }
+    }
+
+    linkCanvasObjectMode(link) {
+        if (this.warnings) {
+            console.warn('Method "linkCanvasObjectMode" not implemented.');
+        }
+    }
+
     nodePointerAreaPaint(node, color, ctx) {
         if (this.warnings) {
             console.warn('Method "nodePointerAreaPaint" not implemented.');