51 lines
1.5 KiB
C#
51 lines
1.5 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 Microsoft.Research.DynamicDataDisplay.Converters;
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using System.Globalization;
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using System.Windows;
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namespace Microsoft.Research.DynamicDataDisplay
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{
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/// <summary>
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/// Represents a converter of Viewport.Visible for InjectedPlotter.
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/// Keeps horizontal part of visible from injectedPlotter and takes vertical part of visible rectangle from hosting Plotter.
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/// </summary>
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public sealed class InjectedPlotterVerticalSyncConverter : GenericValueConverter<DataRect>
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{
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private readonly InjectedPlotter injectedPlotter;
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public InjectedPlotterVerticalSyncConverter(InjectedPlotter plotter)
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{
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if (plotter == null)
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throw new ArgumentNullException("plotter");
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this.injectedPlotter = plotter;
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}
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public override object ConvertCore(DataRect value, Type targetType, object parameter, CultureInfo culture)
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{
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if (injectedPlotter.Plotter == null)
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return DependencyProperty.UnsetValue;
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var outerVisible = value;
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var innerVisible = injectedPlotter.Visible;
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return new DataRect(innerVisible.XMin, outerVisible.YMin, innerVisible.Width, outerVisible.Height);
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}
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public override object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value is DataRect)
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{
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DataRect innerVisible = (DataRect)value;
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var outerVisible = injectedPlotter.Plotter.Visible;
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return outerVisible;
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}
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else
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{
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return DependencyProperty.UnsetValue;
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}
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}
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}
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}
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