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