Display conditions - Loosened up type rules for dynamic comparisons

Display conditions - Improved static value input and added support for int and double

src/Artemis.UI/DataModelVisualization/Input/DoubleDataModelInputViewModel.cs

@@ -0,0 +1,20 @@
+using System.Text.RegularExpressions;
+using System.Windows.Input;
+using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using Artemis.UI.Shared.DataModelVisualization;
+
+namespace Artemis.UI.DataModelVisualization.Input
+{
+    public class DoubleDataModelInputViewModel : DataModelInputViewModel<double>
+    {
+        public DoubleDataModelInputViewModel(DataModelPropertyAttribute description, double initialValue) : base(description, initialValue)
+        {
+        }
+
+        public void NumberValidationTextBox(object sender, TextCompositionEventArgs e)
+        {
+            var regex = new Regex("^[.|,][0-9]+$|^[0-9]*[.|,]{0,1}[0-9]*$");
+            e.Handled = !regex.IsMatch(e.Text);
+        }
+    }
+}