Added lechanism to reinit PabCloisons after loading session

src/nub.ts

@@ -795,7 +795,7 @@ export abstract class Nub extends ComputeNode implements IObservable {
                 }
             }
             // define calculated param at Nub level
-            // @TODO except if we are a Section or Structure ?
+            // @TODO except if we are a Section / Structure / PabCloisons ?
             if (calculatedParam) {
                 this.calculatedParam = calculatedParam;
             }
@@ -944,6 +944,18 @@ export abstract class Nub extends ComputeNode implements IObservable {
         return false;
     }
 
+    /**
+     * @return child having the given UID
+     */
+    public getChild(uid: string): Nub {
+        for (const s of this._children) {
+            if (s.uid === uid) {
+                return s;
+            }
+        }
+        return undefined;
+    }
+
     /**
      * Moves a child to first position
      */

src/pab/pab.ts

@@ -44,6 +44,29 @@ export class Pab extends Nub {
         return r;
     }
 
+    /**
+     * Once session is loaded, run a second pass on all PabCloisons to
+     * reinit their target if needed
+     */
+    public fixPAB(obj: any) {
+        if (obj.children && Array.isArray(obj.children)) {
+            for (const c of obj.children) {
+                if (c.props.calcType === CalculatorType.PabCloisons) { // who knows ?
+                    const childUid = c.uid;
+                    const targetCloisonsUid = c.props.modeleCloisons;
+                    console.log(`==> relinking ${childUid} to ${targetCloisonsUid}`);
+                    // find child PabCloisons to relink
+                    const pabCloisons = (this.getChild(childUid) as PabCloisons);
+                    if (pabCloisons) {
+                        pabCloisons.setModel(targetCloisonsUid);
+                    } else {
+                        console.error("fixPAB : cannot find child PabCloisons");
+                    }
+                }
+            }
+        }
+    }
+
     /**
      * paramétrage de la calculabilité des paramètres
      */
@@ -52,4 +75,4 @@ export class Pab extends Nub {
         this.prms.Z2.calculability = ParamCalculability.DICHO;
         this.prms.Q.calculability = ParamCalculability.DICHO;
     }
-}
+}
\ No newline at end of file

src/pab/pab_cloisons.ts

 import { ParamCalculability, ParamDefinition, ParamFamily} from "../param/param-definition";
 import { ParamDomainValue } from "../param/param-domain";
 
-import { CalculatorType } from "../index";
+import { CalculatorType, Session } from "../index";
 import { Cloisons, CloisonsParams } from "../structure/cloisons";
 import { Pab } from "./pab";
 
@@ -77,6 +77,19 @@ export class PabCloisons extends Cloisons {
         this._children = modelCloisons ? modelCloisons.structures : [];
     }
 
+    /**
+     * Finds the Cloisons targetted by modelUid and defines it as the current model
+     */
+    public setModel(modelUid: string) {
+        this.properties.setPropValue("modeleCloisons", modelUid);
+        const cloisons = (Session.getInstance().findNubByUid(modelUid) as Cloisons);
+        if (cloisons) {
+            this.initModelCloisons(cloisons);
+        } else {
+            console.error("PabCloisons.setModel : cannot find target Cloisons");
+        }
+    }
+
     /**
      * Returns an object representation of the Nub's current state
      */

src/session.ts

@@ -150,6 +150,9 @@ export class Session {
         // second pass for links
         this.fixLinks(serialised, uids);
 
+        // second pass for PABs
+        this.fixPAB(serialised, uids);
+
         return newNubs;
     }
 
@@ -382,6 +385,7 @@ export class Session {
                 const modeleCloisons: string = params.getPropValue("modeleCloisons");
                 if (modeleCloisons) {
                     const cloisons = (Session.getInstance().findNubByUid(modeleCloisons) as Cloisons);
+                    // si le module Cloisons ciblé n'existe pas, Session.fixPAB() est censé s'en occuper
                     nub = new PabCloisons(cloisons);
                 } else {
                     nub = new PabCloisons(undefined); // don't forget to init with a Cloisons model afterwards !
@@ -571,4 +575,24 @@ export class Session {
             });
         }
     }
+
+    /**
+     * Asks all loaded PAB Nubs to reinit any PabCloisons from their model
+     */
+    private fixPAB(serialised: string, uids?: string[]) {
+        const data = JSON.parse(serialised);
+        if (data.session && Array.isArray(data.session)) {
+            // find each PAB in the session
+            data.session.forEach((e: any) => {
+                if (
+                    (! uids || uids.length === 0 || uids.includes(e.uid))
+                    && (e.props.calcType === CalculatorType.Pab)
+                 ) {
+                    const nub = (this.findNubByUid(e.uid) as Pab);
+                    // find linked parameters
+                    nub.fixPAB(e);
+                }
+            });
+        }
+    }
 }