From e9b05ed776b8fffdd6517e226e2805e07204fd06 Mon Sep 17 00:00:00 2001
From: sbosse <sbosse@uni-bremen.de>
Date: Mon, 21 Jul 2025 23:31:41 +0200
Subject: [PATCH] Mon 21 Jul 22:43:21 CEST 2025

---
 .../src/wp/ContactPicker.xaml.cs              | 125 ++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPicker.xaml.cs

diff --git a/js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPicker.xaml.cs b/js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPicker.xaml.cs
new file mode 100644
index 0000000..ea3916e
--- /dev/null
+++ b/js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPicker.xaml.cs
@@ -0,0 +1,125 @@
+/*
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+*/
+
+namespace WPCordovaClassLib.Cordova.Commands
+{
+    using System;
+    using System.Linq;
+    using System.Windows;
+    using System.Windows.Controls;
+    using System.Windows.Navigation;
+    using Microsoft.Phone.Tasks;
+    using Microsoft.Phone.UserData;
+    using DeviceContacts = Microsoft.Phone.UserData.Contacts;
+
+    /// <summary>
+    /// Custom implemented class for picking single contact
+    /// </summary>
+    public partial class ContactPicker
+    {
+        #region Fields
+
+        /// <summary>
+        /// Result of ContactPicker call, represent contact returned.
+        /// </summary>
+        private ContactPickerTask.PickResult result;
+
+        #endregion
+
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ContactPicker"/> class. 
+        /// </summary>
+        public ContactPicker()
+        {
+            InitializeComponent();
+            var cons = new DeviceContacts();
+            cons.SearchCompleted += this.OnSearchCompleted;
+            cons.SearchAsync(string.Empty, FilterKind.None, string.Empty);
+        }
+
+        #endregion
+
+        #region Callbacks
+
+        /// <summary>
+        /// Occurs when contact is selected or pick operation cancelled.
+        /// </summary>
+        public event EventHandler<ContactPickerTask.PickResult> Completed;
+
+        #endregion
+
+        /// <summary>
+        /// The on navigated from.
+        /// </summary>
+        /// <param name="e">
+        /// The e.
+        /// </param>
+        protected override void OnNavigatedFrom(NavigationEventArgs e)
+        {
+            if (this.result == null)
+            {
+                this.Completed(this, new ContactPickerTask.PickResult(TaskResult.Cancel));
+            }
+
+            base.OnNavigatedFrom(e);
+        }
+
+        /// <summary>
+        /// Called when contacts retrieval completed.
+        /// </summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The <see cref="ContactsSearchEventArgs"/> instance containing the event data.</param>
+        private void OnSearchCompleted(object sender, ContactsSearchEventArgs e)
+        {
+            if (e.Results.Count() != 0)
+            {
+                lstContacts.ItemsSource = e.Results.ToList();
+                lstContacts.Visibility = Visibility.Visible;
+                NoContactsBlock.Visibility = Visibility.Collapsed;
+            }
+            else
+            {
+                lstContacts.Visibility = Visibility.Collapsed;
+                NoContactsBlock.Visibility = Visibility.Visible;
+            }
+        }
+
+        /// <summary>
+        /// Called when any contact is selected.
+        /// </summary>
+        /// <param name="sender">
+        /// The sender.
+        /// </param>
+        /// <param name="e">
+        /// The e.
+        /// </param>
+        private void ContactsListSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            this.result = new ContactPickerTask.PickResult(TaskResult.OK) { Contact = e.AddedItems[0] as Contact };
+            this.Completed(this, this.result);
+
+            if (NavigationService.CanGoBack)
+            {
+                NavigationService.GoBack();
+            }
+        }
+    }
+}
\ No newline at end of file