More theme changes

Filtration.Common/Converters/BooleanInverterConverter.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+
+namespace Filtration.Common.Converters
+{
+    internal class BoolInverterConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter,
+            CultureInfo culture)
+        {
+            if (value is bool)
+            {
+                return !(bool)value;
+            }
+            return value;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter,
+            CultureInfo culture)
+        {
+            if (value is bool)
+            {
+                return !(bool)value;
+            }
+            return value;
+        }
+    }
+}

Filtration.Common/Converters/ColorToSolidColorBrushConverter.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Windows.Data;
+using System.Windows.Media;
+
+namespace Filtration.Common.Converters
+{
+    public class ColorToSolidColorBrushConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            return value != null ? new SolidColorBrush((Color)value) : null;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value != null)
+                return ((SolidColorBrush)value).Color;
+
+            return null;
+        }
+    }
+}

Filtration.Common/Converters/InverseBooleanVisibilityConverter.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+
+namespace Filtration.Common.Converters
+{
+    internal class InverseBooleanVisibilityConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is bool && targetType == typeof (Visibility))
+            {
+                var val = (bool) value;
+                if (val)
+                {
+                    return Visibility.Collapsed;
+                }
+                if (parameter is Visibility)
+                {
+                    return parameter;
+                }
+                return Visibility.Visible;
+            }
+            if (value != null)
+            {
+                return Visibility.Collapsed;
+            }
+
+            if (parameter is Visibility)
+            {
+                return parameter;
+            }
+            return Visibility.Visible;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Filtration.Common/Converters/StringToVisibilityConverter.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+
+namespace Filtration.Common.Converters
+{
+    internal class StringToVisibilityConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (String.IsNullOrEmpty((string)value))
+            {
+                return Visibility.Collapsed;
+            }
+            else
+            {
+                return Visibility.Visible;
+            }
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}