init

Common/DTS.Common/BusyIndicatorManager/BusyIndicatorManager.cs

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+using Prism.Mvvm;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace DTS.Common.BusyIndicatorManager
+{
+    public class BusyIndicatorManager : BindableBase
+    {
+        #region Membervariables
+
+        private Dictionary<int, string> busyParameters;
+
+        #endregion
+
+        #region Constructor
+
+        private BusyIndicatorManager()
+        {
+            _isBusy = false;
+            _message = string.Empty;
+            busyParameters = new Dictionary<int, string>();
+        }
+
+        #endregion
+
+        #region Singleton Implementation
+
+        private static BusyIndicatorManager _instance;
+        private static readonly object SyncRoot = new object();
+
+        public static BusyIndicatorManager Instance
+        {
+            get
+            {
+                lock (SyncRoot)
+                {
+                    return _instance ?? (_instance = new BusyIndicatorManager());
+                }
+            }
+        }
+
+        #endregion
+
+        #region Public Properties
+
+        private bool _isBusy;
+
+        public bool IsBusy
+        {
+            get => _isBusy;
+            private set
+            {
+                _isBusy = value;
+                RaisePropertyChanged("IsBusy");
+            }
+        }
+
+        private string _message;
+
+        public string Message
+        {
+            get => _message;
+            private set
+            {
+                _message = value;
+                RaisePropertyChanged("Message");
+            }
+        }
+
+        #endregion
+
+        #region Public Methods
+
+        public void ShowBusy(int id, string busyMessage)
+        {
+            if (!busyParameters.ContainsKey(id))
+            {
+                busyParameters.Add(id, busyMessage);
+                IsBusy = true;
+                Message = busyMessage;
+            }
+            else
+            {
+                busyParameters[id] = busyMessage;
+                IsBusy = true;
+                Message = busyMessage;
+            }
+        }
+
+        public void CloseBusy(int id)
+        {
+            if (busyParameters.ContainsKey(id))
+                busyParameters.Remove(id);
+
+            if (busyParameters.Count == 0)
+            {
+                IsBusy = false;
+                Message = string.Empty;
+            }
+            else
+            {
+                IsBusy = true;
+                Message = busyParameters.Last().Value;
+            }
+        }
+
+        #endregion
+    }
+}
+
+

Common/DTS.Common/BusyIndicatorManager/xBusyIndicator.xaml

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+<xtoolkit:BusyIndicator x:Class="DTS.Common.BusyIndicatorManager.xBusyIndicator"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:xtoolkit="http://schemas.xceed.com/wpf/xaml/toolkit">
+
+</xtoolkit:BusyIndicator>

Common/DTS.Common/BusyIndicatorManager/xBusyIndicator.xaml.cs

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+using System.Windows.Controls;
+using Xceed.Wpf.Toolkit;
+
+namespace DTS.Common.BusyIndicatorManager
+{
+    /// <summary>
+    /// Interaction logic for xBusyIndicator.xaml
+    /// </summary>
+    public partial class xBusyIndicator
+    {
+        public xBusyIndicator()
+        {
+            InitializeComponent();
+        }
+
+        public void Connect(int connectionId, object target)
+        {
+
+        }
+    }
+}