init

DTS Viewer/DTS.Viewer/Modules/Main/View/ViewerMainViewGrid.xaml.cs

@@ -0,0 +1,92 @@
+using DTS.Common.Base;
+using DTS.Common.Events;
+using DTS.Common.Interface;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using System.IO;
+using C1.WPF.Pdf;
+using System.Windows;
+using System.Windows.Media.Imaging;
+using System.Windows.Media;
+using DTS.Common.Utilities.Logging;
+using Prism.Events;
+using Prism.Ioc;
+// ReSharper disable CheckNamespace
+namespace DTS.Viewer
+{
+    /// <summary>
+    /// Interaction logic for ViewerMainViewGrid.xaml
+    /// </summary>
+    public partial class ViewerMainViewGrid : IViewerMainViewGrid
+    {
+
+        public ViewerMainViewGrid()
+        {
+            InitializeComponent();
+            Loaded += ViewerMainViewGrid_Loaded;
+        }
+
+        private IEventAggregator _eventAggregator { get; set; }
+        private void SetFocus()
+        {
+            chartOptTab.IsSelected = true;
+            chartOptTab.Focusable = true;
+            chartOptTab.Focus();
+        }
+        //FB 14797 Subscribe to event after the page loaded to make sure eventAggregator is available
+        private void ViewerMainViewGrid_Loaded(object sender, System.Windows.RoutedEventArgs e)
+        {
+            _eventAggregator = ContainerLocator.Container.Resolve<IEventAggregator>();
+            _eventAggregator?.GetEvent<GraphLoadedCountNotification>().Subscribe(OnGraphLoadedCountNotification);
+        }
+
+        //FB 14797 Set the focus to first tab (chartOptTab) after the graph is fully loaded (3 sec) 
+        private void OnGraphLoadedCountNotification(GraphLoadedCountNotificationArg arg)
+        {
+            if (null != DataContext && (IBaseViewModel)DataContext != arg.ParentVM) return;
+            Task.Run(() =>
+            {
+                Thread.Sleep(TimeSpan.FromSeconds(3));
+                Dispatcher.BeginInvoke((System.Action)SetFocus);
+            });
+        }
+        /// <summary>
+        /// Returns > 0 if successful, < 0 if failure, or 0 if the MainChart is not ready yet
+        /// </summary>
+        /// <param name="directory"></param>
+        /// <param name="pdfFileName"></param>
+        /// <returns></returns>
+        public int SaveToPDF(string directory, string pdfFileName)
+        {
+            try
+            {
+                //FB 29493 Error message in log before success message
+                if (MainShell.DesiredSize.Height == 0 || MainShell.DesiredSize.Width == 0) return 0;
+                if (string.IsNullOrEmpty(directory) || string.IsNullOrEmpty(pdfFileName) || !pdfFileName.EndsWith(".pdf")) return -1;
+                var bounds = VisualTreeHelper.GetDescendantBounds(MainShell);
+                // desired resolution:
+                double dpiX = 300, dpiY = 300;
+                var bmp = new RenderTargetBitmap((int)(bounds.Width * dpiX / 96.0), (int)(bounds.Height * dpiY / 96.0), dpiX, dpiY, PixelFormats.Pbgra32);
+                bmp.Render(MainShell);
+                var wBmp = new WriteableBitmap(bmp);
+
+                var pdf = new C1PdfDocument
+                {
+                    Landscape = true,
+                    PageSize = new Size(MainShell.ActualWidth, MainShell.ActualHeight)
+                };
+                pdf.DrawImage(wBmp, new Rect(0, 0, MainShell.ActualWidth, MainShell.ActualHeight));
+                pdf.Save(Path.Combine(directory, pdfFileName));
+
+                DTS.Common.Utils.PNGImageUtil.SaveImage(MainShell, System.IO.Path.Combine(directory, pdfFileName.Replace(".pdf", ".png")));
+                return 1;
+            }
+            catch (Exception ex)
+            {
+                APILogger.LogException(ex);
+            }
+            return -1;
+        }
+    }
+}