ClemensFischer/XAML-Map-Control
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Added PropertyHelper

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This commit is contained in:
ClemensF 2021-01-17 23:39:20 +01:00
parent 67e9989327
commit 068a9ef8a6
11 changed files with 76 additions and 61 deletions
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8
MapControl/Shared/MapOverlay.cs
View file

@ -4,12 +4,9 @@
#if WINDOWS_UWP
using Windows.UI.Text;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Media;
#else
using System.Windows;
using System.Windows.Data;
using System.Windows.Media;
#endif
@ -109,10 +106,5 @@ namespace MapControl
get { return (double)GetValue(StrokeMiterLimitProperty); }
set { SetValue(StrokeMiterLimitProperty, value); }
}
protected Binding GetBinding(string propertyName)
{
return new Binding { Source = this, Path = new PropertyPath(propertyName) };
}
}
}

6
MapControl/Shared/MapScale.cs
View file

@ -39,10 +39,10 @@ namespace MapControl
{
MinWidth = 100d;
line.SetBinding(Shape.StrokeProperty, GetBinding(nameof(Stroke)));
line.SetBinding(Shape.StrokeThicknessProperty, GetBinding(nameof(StrokeThickness)));
line.SetBinding(Shape.StrokeProperty, this.GetBinding(nameof(Stroke)));
line.SetBinding(Shape.StrokeThicknessProperty, this.GetBinding(nameof(StrokeThickness)));
#if WINDOWS_UWP
label.SetBinding(TextBlock.ForegroundProperty, GetBinding(nameof(Foreground)));
label.SetBinding(TextBlock.ForegroundProperty, this.GetBinding(nameof(Foreground)));
#endif
Children.Add(line);
Children.Add(label);

32
MapControl/Shared/PropertyHelper.cs Normal file
View file

@ -0,0 +1,32 @@
// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
// © 2021 Clemens Fischer
// Licensed under the Microsoft Public License (Ms-PL)
#if WINDOWS_UWP
using Windows.UI.Xaml;
using Windows.UI.Xaml.Data;
#else
using System.Windows;
using System.Windows.Data;
#endif
namespace MapControl
{
public static class PropertyHelper
{
public static Binding GetBinding(this object sourceObject, string sourceProperty)
{
return new Binding { Source = sourceObject, Path = new PropertyPath(sourceProperty) };
}
public static void ValidateProperty(
this FrameworkElement targetObject, DependencyProperty targetProperty, object sourceObject, string sourceProperty)
{
if (targetObject.GetValue(targetProperty) == null &&
targetObject.GetBindingExpression(targetProperty) == null)
{
targetObject.SetBinding(targetProperty, sourceObject.GetBinding(sourceProperty));
}
}
}
}