83 lines
1.9 KiB
C#
83 lines
1.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows;
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using System.Windows.Shapes;
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using System.Windows.Media;
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namespace Microsoft.Research.DynamicDataDisplay.Charts
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{
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/// <summary>
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/// Represents a base class for simple shapes with viewport-bound coordinates.
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/// </summary>
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public abstract class ViewportShape : Shape, IPlotterElement
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{
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static ViewportShape()
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{
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Type type = typeof(ViewportShape);
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Shape.StrokeProperty.AddOwner(type, new FrameworkPropertyMetadata(Brushes.Blue));
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Shape.StrokeThicknessProperty.AddOwner(type, new FrameworkPropertyMetadata(2.0));
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="ViewportShape"/> class.
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/// </summary>
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protected ViewportShape() { }
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protected void UpdateUIRepresentation()
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{
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if (Plotter == null)
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return;
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UpdateUIRepresentationCore();
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}
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protected virtual void UpdateUIRepresentationCore() { }
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#region IPlotterElement Members
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private Plotter2D plotter;
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void IPlotterElement.OnPlotterAttached(Plotter plotter)
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{
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plotter.CentralGrid.Children.Add(this);
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Plotter2D plotter2d = (Plotter2D)plotter;
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this.plotter = plotter2d;
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plotter2d.Viewport.PropertyChanged += Viewport_PropertyChanged;
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UpdateUIRepresentation();
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}
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private void Viewport_PropertyChanged(object sender, ExtendedPropertyChangedEventArgs e)
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{
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OnViewportPropertyChanged(e);
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}
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protected virtual void OnViewportPropertyChanged(ExtendedPropertyChangedEventArgs e)
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{
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UpdateUIRepresentation();
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}
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void IPlotterElement.OnPlotterDetaching(Plotter plotter)
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{
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Plotter2D plotter2d = (Plotter2D)plotter;
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plotter2d.Viewport.PropertyChanged -= Viewport_PropertyChanged;
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plotter.CentralGrid.Children.Remove(this);
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this.plotter = null;
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}
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public Plotter2D Plotter
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{
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get { return plotter; }
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}
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Plotter IPlotterElement.Plotter
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{
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get { return plotter; }
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}
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#endregion
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}
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}
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