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1 // http://drwpf.com/blog/2009/03/17/tips-and-tricks-making-value-converters-more-accessible-in-markup/
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2 // to use in xaml: <TextBlock Text="{Binding SomePath, Converter={src:BoolVisibilityConverter}}" />
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3
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4 using System;
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5 using System.Windows;
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6 using System.Windows.Data;
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7 using System.Windows.Markup;
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8 using System.Globalization;
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9
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10 namespace MetroWpf.Xaml.Converters
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11 {
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12 public class BooleanToVisibilityConverter : MarkupExtension, IValueConverter
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13 {
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14 private static BooleanToVisibilityConverter booleanToVisibilityConverter = null;
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15
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16 public override object ProvideValue(IServiceProvider serviceProvider)
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17 {
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18 if (null == booleanToVisibilityConverter)
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19 booleanToVisibilityConverter = new BooleanToVisibilityConverter();
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20
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21 return booleanToVisibilityConverter;
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22 }
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23
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24 public bool IsReversed { get; set; }
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25 public bool UseHidden { get; set; }
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26
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27 #region IValueConverter Members
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28
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29 public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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30 {
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31 var val = System.Convert.ToBoolean(value, CultureInfo.InvariantCulture);
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32 if (this.IsReversed)
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33 {
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34 val = !val;
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35 }
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36 if (val)
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37 {
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38 return Visibility.Visible;
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39 }
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40 return this.UseHidden ? Visibility.Hidden : Visibility.Collapsed;
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41 }
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42 public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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43 {
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44 throw new NotImplementedException();
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45 }
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46
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47 #endregion
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48 }
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49 }
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