ENH Used PhoneField for PhoneLink and add RequireFields validator

src/Models/PhoneLink.php

@@ -2,6 +2,11 @@
 
 namespace SilverStripe\LinkField\Models;
 
+use SilverStripe\Forms\CompositeValidator;
+use SilverStripe\Forms\RequiredFields;
+use SilverStripe\Forms\FieldList;
+use SilverStripe\LinkField\Form\PhoneField;
+
 /**
  * A link to a phone number
  *
@@ -15,6 +20,14 @@ class PhoneLink extends Link
         'Phone' => 'Varchar(255)',
     ];
 
+    public function getCMSFields(): FieldList
+    {
+        $this->beforeUpdateCMSFields(static function (FieldList $fields) {
+            $fields->replaceField('Phone', PhoneField::create('Phone'));
+        });
+        return parent::getCMSFields();
+    }
+
     public function generateLinkDescription(array $data): string
     {
         return isset($data['Phone']) ? $data['Phone'] : '';
@@ -24,4 +37,11 @@ public function getURL(): string
     {
         return $this->Phone ? sprintf('tel:%s', $this->Phone) : '';
     }
+
+    public function getCMSCompositeValidator(): CompositeValidator
+    {
+        $validator = parent::getCMSCompositeValidator();
+        $validator->addValidator(RequiredFields::create(['Phone']));
+        return $validator;
+    }
 }