Fix nghyd#221

src/base.ts

@@ -106,3 +106,7 @@ export function floatDivAndMod(a: number, b: number, e: number = 1E-7): { q: num
     }
     return { q, r };
 }
+
+export function capitalize(s: string): string {
+    return s.charAt(0).toUpperCase() + s.slice(1);
+}

src/macrorugo/macrorugo_compound.ts

@@ -24,6 +24,7 @@ export class MacrorugoCompound extends MacroRugo implements Observer {
         this._calcType = CalculatorType.MacroRugoCompound;
         this._props.addObserver(this);
         this.properties.setPropValue("inclinedApron", false);
+        this._childrenType = "MacroRugo";
     }
 
     /**

src/nub.ts

@@ -17,6 +17,13 @@ import { ResultElement } from "./util/resultelement";
  */
 export abstract class Nub extends ComputeNode implements IObservable {
 
+    /** type of children elements, used by GUI for translation */
+    protected _childrenType: string = "";
+
+    public get childrenType(): string {
+        return this._childrenType;
+    }
+
     public get result(): Result {
         return this._result;
     }

src/structure/parallel_structure.ts

@@ -21,6 +21,7 @@ export class ParallelStructure extends Nub {
     constructor(prms: ParamsEquation, dbg: boolean = false) {
         super(prms, dbg);
         this._calcType = CalculatorType.ParallelStructure;
+        this._childrenType = "Structure";
     }
 
     /** children casting */