Fix #291 - Lechapt-Calmon: reset results when material changes

src/app/calculators/lechapt-calmon/lechapt-calmon.config.json

@@ -27,6 +27,7 @@
     {
         "type": "options",
         "idCal": "J",
+        "lcMaterialSelectId": "select_material",
         "help": "hyd_en_charge/lechapt-calmon"
     }
 ]
\ No newline at end of file

src/app/formulaire/definition/concrete/form-lechapt-calmon.ts

+import { IObservable } from "jalhyd";
+
+import { FormulaireBase } from "./form-base";
+import { FieldSet } from "../../fieldset";
+
+/**
+ * Formulaire pour Lechapt et Calmon
+ */
+export class FormulaireLechaptCalmon extends FormulaireBase {
+
+    /** id of select configuring material */
+    private _lcMaterialSelectId: string;
+
+    protected parseOptions(json: {}) {
+        super.parseOptions(json);
+        this._lcMaterialSelectId = this.getOption(json, "lcMaterialSelectId");
+    }
+
+    public afterParseFieldset(fs: FieldSet) {
+        if (this._lcMaterialSelectId) {
+            const sel = fs.getFormulaireNodeById(this._lcMaterialSelectId);
+            if (sel) {
+                fs.properties.addObserver(this);
+            }
+        }
+    }
+
+    // interface Observer
+
+    public update(sender: IObservable, data: any) {
+        super.update(sender, data);
+        if (data.action === "propertyChange") {
+            if (data.name === "material") {
+                this.reset();
+            }
+        }
+    }
+}

src/app/services/formulaire.service.ts

@@ -36,6 +36,7 @@ import { NgParameter } from "../formulaire/ngparam";
 import { FieldsetContainer } from "../formulaire/fieldset-container";
 import { FormulairePab } from "../formulaire/definition/concrete/form-pab";
 import { FormulaireMacrorugoCompound } from "../formulaire/definition/concrete/form-macrorugo-compound";
+import { FormulaireLechaptCalmon } from "../formulaire/definition/concrete/form-lechapt-calmon";
 
 @Injectable()
 export class FormulaireService extends Observable {
@@ -297,6 +298,10 @@ export class FormulaireService extends Observable {
                 f = new FormulaireCourbeRemous();
                 break;
 
+            case CalculatorType.LechaptCalmon:
+                f = new FormulaireLechaptCalmon();
+                break;
+
             case CalculatorType.ParallelStructure:
             case CalculatorType.Dever:
             case CalculatorType.Cloisons: