Entwicklung von Methoden zur Datums- und Ortserkennung. Fügen Sie "annotations" hinzu, damit der Benutzer das Datum und die Ortsangaben bei Bedarf aktualisieren kann.

EnvelopeGenerator.Web/wwwroot/js/annotation.js

@@ -1,25 +1,27 @@
 class Annotation {
-    static createAnnotations(document) {
+    static async createAnnotations(document) {
         const signatures = []
-        document.elements.forEach((element) => {
-            const [annotation, formField] = Annotation.createSignature(element)
+
+        for(var element of document.elements){
+            const [annotation, formField, annotation2, formFieldDate] = await Annotation.createSignature(element)
             signatures.push(annotation)
             signatures.push(formField)
-        })
-
-        return {
-            signatures: signatures
+            signatures.push(annotation2)
+            signatures.push(formFieldDate)
         }
+
+        return [...signatures ]
     }
 
-    static createSignature(element) {
+    static async createSignature(element) {
         const id = PSPDFKit.generateInstantId()
         const width = Annotation.inchToPoint(element.width)
         const height = Annotation.inchToPoint(element.height)
         const top = Annotation.inchToPoint(element.top) - height / 2
         const left = Annotation.inchToPoint(element.left) - width / 2
         const page = element.page - 1
-        console.log(id)
+
+        //signatures
         const annotation = new PSPDFKit.Annotations.WidgetAnnotation({
             id: id,
             pageIndex: page,
@@ -39,7 +41,31 @@
             annotationIds: PSPDFKit.Immutable.List([annotation.id]),
         })
 
-        return [annotation, formField]
+        //date
+        var city = await getCity();
+        const id_date = PSPDFKit.generateInstantId()
+        const annotation_date = new PSPDFKit.Annotations.WidgetAnnotation({
+            id: id_date,
+            pageIndex: page,
+            formFieldName: id_date,
+            backgroundColor: PSPDFKit.Color.DarkBlue,
+            blendMode: 'multiply',
+            boundingBox: new PSPDFKit.Geometry.Rect({
+                width: width * 1.5,
+                height: height / 2,
+                top: top + height + 10,
+                left: left - width * .25,
+            }),
+            fontSize:8
+        })
+
+        const formFieldDate = new PSPDFKit.FormFields.TextFormField({
+            name: id_date,
+            annotationIds: PSPDFKit.Immutable.List([annotation_date.id]),
+            value: getLocaleDateString() + ", " + city
+        })
+
+        return [annotation, formField, annotation_date, formFieldDate]
     }
 
     static createTextBox(element) {

EnvelopeGenerator.Web/wwwroot/js/app.js

@@ -70,8 +70,8 @@ class App {
         // Load annotations into PSPDFKit
         try {
             this.signatureCount = this.currentDocument.elements.length
-            const annotations = Annotation.createAnnotations(this.currentDocument)
-            await this.Instance.create(annotations.signatures)
+            const annotations = await Annotation.createAnnotations(this.currentDocument)
+            await this.Instance.create(annotations)
 
             const openResponse = await this.Network.openDocument(this.envelopeKey)
 

EnvelopeGenerator.Web/wwwroot/js/util.js

@@ -1 +1,32 @@
-const B64ToBuff = (base64String) => new Uint8Array(Array.from(atob(base64String), char => char.charCodeAt(0))).buffer;
+const B64ToBuff = (base64String) => new Uint8Array(Array.from(atob(base64String), char => char.charCodeAt(0))).buffer;
+
+function getCoordinates() {
+    return new Promise((resolve, reject) => {
+        if (navigator.geolocation) {
+            navigator.geolocation.getCurrentPosition(
+                position => resolve(position.coords),
+                error => reject(error)
+            );
+        } else {
+            reject(new Error("Geolocation is not supported by this browser."));
+        }
+    });
+}
+
+async function getCity() {
+    try {
+        const coords = await getCoordinates();
+        const response = await fetch(`https://nominatim.openstreetmap.org/reverse?format=json&lat=${coords.latitude}&lon=${coords.longitude}`);
+        const data = await response.json();
+
+        if (data && data.address) {
+            const city = data.address.city || data.address.town || data.address.village || data.address.hamlet;
+            const postalCode = data.address.postcode;
+            return postalCode + ' ' + city || '';
+        }
+    } catch {
+        return '';
+    }
+}
+
+const getLocaleDateString = _ => new Date().toLocaleDateString('de-DE')