39 lines
1.5 KiB
C#
39 lines
1.5 KiB
C#
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using DTS.Common.Enums;
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using DTS.Common.Enums.DASFactory;
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using System;
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using System.Windows;
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using System.Windows.Data;
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namespace DTS.Common.Converters
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{
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/// <summary>
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/// This converter will returns a visibility based on whether pretrigger should be shown or not
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/// it should be bound to RecordingMode an optional parameter allows inverting the return
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/// </summary>
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public class RecordingModePreTriggerVisibilityConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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var showPreTrigger = true;
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if ((value is RecordingModes mode) &&
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(RecordingModeExtensions.IsAnActiveMode(mode) || !RecordingModeExtensions.CanProgramPreTrigger(mode)))
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{
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showPreTrigger = false;
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}
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var invert = false;
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if (bool.TrueString.Equals(parameter)) { invert = true; }
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if (showPreTrigger)
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{
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return invert ? Visibility.Collapsed : Visibility.Visible;
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}
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else { return invert ? Visibility.Visible : Visibility.Collapsed; }
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}
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public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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return null != value && value.Equals(Visibility.Visible) ? parameter : Binding.DoNothing;
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}
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}
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}
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