(fix):Add OnInit method for the label to use on app-attribute-label

WARNING: This is a temporary fix for the labelling of data on bootstrap array on the front-end. Sall be fixed by further development on the server.

To be reviewed @cmoreau @fagneray

client/src/app/shared/components/attribute-label.component.ts

@@ -7,16 +7,26 @@
  * file that was distributed with this source code.
  */
 
- import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import {
+    ChangeDetectionStrategy,
+    Component,
+    Input,
+    OnInit,
+} from '@angular/core';
 
 /**
  * @class
- * @classdesc Attribute label component.
+ * @classdesc Attribute label component. It chooses a label for a datum based
+ * on the attributes of Attribute.
+ * @todo Make the choice of labels more robust on the server side. A temporary
+ * fix for naming data has been brought to the component on init, but the patch
+ * is not robust.
+ * @implements `OnInit`
  */
- @Component({
+@Component({
     selector: 'app-attribute-label',
     templateUrl: 'attribute-label.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class AttributeLabelComponent implements OnInit {
     @Input() label: string;
@@ -24,7 +34,13 @@ export class AttributeLabelComponent implements OnInit {
     @Input() form_label?: string;
     name: string = null;
 
+    /**
+     * @method Choose the name of the attribute by setting the property `this.name`
+     * to `this.form_label` is present else to `this.label`.
+     * This method enables to set the name of a datum according to the property `form_label` of
+     * an `Attribute` rather than to the property `label` by default.
+     */
     ngOnInit() {
         this.name = this.form_label ? this.form_label : this.label;
-    };
+    }
 }