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using Tango.Core.DI;
using Tango.MachineStudio.Logging.Navigation;
using Tango.MachineStudio.Logging.ViewModels;

namespace Tango.MachineStudio.Logging
{
    /// <summary>
    /// This class contains static references to all the view models in the
    /// application and provides an entry point for the bindings.
    /// </summary>
    public static class ViewModelLocator
    {
        /// <summary>
        /// Initializes a new instance of the ViewModelLocator class.
        /// </summary>
        static ViewModelLocator()
        {
            TangoIOC.Default.Register<EventsViewVM>();
            TangoIOC.Default.Register<ApplicationLogsViewVM>();
            TangoIOC.Default.Register<EmbeddedLogsViewVM>();
            TangoIOC.Default.Register<HomeViewVM>();

            TangoIOC.Default.Unregister<LoggingNavigationManager>();
            TangoIOC.Default.Register<LoggingNavigationManager>(new LoggingNavigationManager());
        }

        public static EventsViewVM EventsViewVM
        {
            get
            {
                return TangoIOC.Default.GetInstance<EventsViewVM>();
            }
        }

        public static ApplicationLogsViewVM ApplicationLogsViewVM
        {
            get
            {
                return TangoIOC.Default.GetInstance<ApplicationLogsViewVM>();
            }
        }

        public static EmbeddedLogsViewVM EmbeddedLogsViewVM
        {
            get
            {
                return TangoIOC.Default.GetInstance<EmbeddedLogsViewVM>();
            }
        }

        public static HomeViewVM HomeViewVM
        {
            get
            {
                return TangoIOC.Default.GetInstance<HomeViewVM>();
            }
        }
    }
}
span class="k">private double _bigStep; #region Private Methods private static T FindVisualParent<T>(DependencyObject child) where T : DependencyObject { // get parent item DependencyObject parentObject = VisualTreeHelper.GetParent(child); // we’ve reached the end of the tree if (parentObject == null) return null; // check if the parent matches the type we’re looking for T parent = parentObject as T; if (parent != null) { return parent; } else { // use recursion to proceed with next level return FindVisualParent<T>(parentObject); } } #endregion #region Properties public double RenderWidth { get { return (double)GetValue(RenderWidthProperty); } set { SetValue(RenderWidthProperty, value); } } public static readonly DependencyProperty RenderWidthProperty = DependencyProperty.Register("RenderWidth", typeof(double), typeof(TimeRuler), new FrameworkPropertyMetadata(400.0, FrameworkPropertyMetadataOptions.AffectsRender)); public double HorizontalOffset { get { return (double)GetValue(HorizontalOffsetProperty); } set { SetValue(HorizontalOffsetProperty, value); } } public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.Register("HorizontalOffset", typeof(double), typeof(TimeRuler), new PropertyMetadata(0.0, HorizontalOffsetChanged)); private static void HorizontalOffsetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { var control = d as TimeRuler; control.Margin = new Thickness(-control.HorizontalOffset, 0, 0, 0); control.InvalidateVisual(); } #region Zoom /// <summary> /// Gets or sets the zoom factor for the ruler. The default value is 1.0. /// </summary> public double Zoom { get { return (double)GetValue(ZoomProperty); } set { SetValue(ZoomProperty, value); this.InvalidateVisual(); } } private void SetSteps(double value) { if (value >= 50) { _smallStep = 0.25; _bigStep = 1; } else if (value >= 40) { _smallStep = 0.25; _bigStep = 2; } else if (value >= 30) { _smallStep = 0.5; _bigStep = 2; } else if (value >= 20) { _smallStep = 1; _bigStep = 5; } else if (value >= 10) { _smallStep = 1; _bigStep = 10; } else if (value >= 5) { _smallStep = 2; _bigStep = 20; } else if (value >= 3) { _smallStep = 5; _bigStep = 30; } else if (value >= 1) { _smallStep = 30; _bigStep = 300; } else if (value >= 0.5) { _smallStep = 60; _bigStep = 600; } } /// <summary> /// Identifies the Zoom dependency property. /// </summary> public static readonly DependencyProperty ZoomProperty = DependencyProperty.Register("Zoom", typeof(double), typeof(TimeRuler), new FrameworkPropertyMetadata((double)1.0, FrameworkPropertyMetadataOptions.AffectsRender, new PropertyChangedCallback(ZoomChanged))); private static void ZoomChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { (d as TimeRuler).SetSteps((double)e.NewValue); } #endregion #endregion #region Constructor public TimeRuler() { _smallStep = 1; _bigStep = 10; FontSize = 10; this.Loaded += TimeRuler_Loaded; } private void TimeRuler_Loaded(object sender, RoutedEventArgs e) { this.InvalidateVisual(); } #endregion #region Methods /// <summary> /// Participates in rendering operations. /// </summary> /// <param name="drawingContext">The drawing instructions for a specific element. This context is provided to the layout system.</param> protected override void OnRender(DrawingContext drawingContext) { base.OnRender(drawingContext); double xDest = RenderWidth; int start = (int)(HorizontalOffset / Zoom); drawingContext.DrawRectangle(Background, new Pen(BorderBrush, 0), new Rect(new Point(start * Zoom, 0.0), new Point(xDest + (start * Zoom) + 100, Height))); drawingContext.DrawLine(new Pen(BorderBrush, 1), new Point(start * Zoom, Height - 1), new Point(xDest + (start * Zoom) + 100, Height)); double l = (start % _smallStep); while (l != 0) //I don't know why, but this is needed in order to prevent ruler from flickering on some lower scale factors :/ { start += 1; l = (start % _smallStep); } for (double dUnit = start; dUnit < (RenderWidth / Zoom) + (start) + 10; dUnit += _smallStep) { double d = dUnit * (this.Zoom); double startHeight; double endHeight; startHeight = Height; endHeight = ((dUnit % _bigStep == 0) ? (this.ActualHeight / 5) * 1.5 : this.ActualHeight / 5); drawingContext.DrawLine(new Pen(Foreground, 1), new Point(d, startHeight), new Point(d, (startHeight - endHeight))); double uu = (dUnit % _bigStep); if ((dUnit != 0.0) && (uu == 0) && (dUnit < (RenderWidth / Zoom) + start + 10)) { double u = dUnit; TimeSpan t = TimeSpan.FromSeconds((u)); FormattedText ft = new FormattedText(t.ToString("g"), CultureInfo.CurrentCulture, FlowDirection.LeftToRight, new Typeface(FontFamily.ToString()), FontSize, Foreground); ft.SetFontWeight(FontWeight); ft.TextAlignment = TextAlignment.Center; drawingContext.DrawText(ft, new Point(d, (Height / 2) - (ft.Height / 2) - 2)); } } } #endregion } }