feat: Developed markFieldAsRequired and isFieldRequired methods to mark and validate required form fields; added user alert if location information is not provided.

EnvelopeGenerator.Web/wwwroot/js/app.js

@@ -65,7 +65,7 @@ class App {
 
         this.Instance.addEventListener("annotations.willChange", _ => {
             Comp.ActPanel.Toggle();
-          });
+        });
 
         // Load annotations into PSPDFKit
         try {
@@ -168,6 +168,20 @@ class App {
     }
 
     async handleFinish(event) {
+        const iJSON = await this.Instance.exportInstantJSON()
+        const iFormFieldValues = await iJSON.formFieldValues;
+        const iReqFields = iFormFieldValues.filter(f => Annotation.isFieldRequired(f))
+        const hasEmptyReq = iReqFields.some(f => (f.value === undefined || f.value === null || f.value === ""))
+
+        if (hasEmptyReq){
+            Swal.fire({
+                title: 'Warnung',
+                text: 'Bitte füllen Sie alle Standortinformationen vollständig aus!',
+                icon: 'warning',
+            })
+            return false;
+        }
+
         const validationResult = await this.validateAnnotations(this.signatureCount)
         if (validationResult === false) {
             Swal.fire({
@@ -204,7 +218,7 @@ class App {
 
                 // Export annotation data and save to database
                 try {
-                    const json = await this.Instance.exportInstantJSON()
+                    const json = await iJSON
                     const postEnvelopeResult = await this.Network.postEnvelope(
                         this.envelopeKey,
                         this.currentDocument.id,