WpfDesigner/WpfDesign/Project/ExtensionMethods.cs

90 строки
2.9 KiB
C#

// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.ComponentModel;
using System.Windows;
namespace ICSharpCode.WpfDesign
{
/// <summary>
/// Extension methods used in the WPF designer.
/// </summary>
public static class ExtensionMethods
{
/// <summary>
/// Rounds position and size of a Rect to PlacementInformation.BoundsPrecision digits.
/// </summary>
public static Rect Round(this Rect rect)
{
return new Rect(
Math.Round(rect.X, PlacementInformation.BoundsPrecision),
Math.Round(rect.Y, PlacementInformation.BoundsPrecision),
Math.Round(rect.Width, PlacementInformation.BoundsPrecision),
Math.Round(rect.Height, PlacementInformation.BoundsPrecision)
);
}
/// <summary>
/// Gets the design item property for the specified member descriptor.
/// </summary>
public static DesignItemProperty GetProperty(this DesignItemPropertyCollection properties, MemberDescriptor md)
{
DesignItemProperty prop = null;
var pd = md as PropertyDescriptor;
if (pd != null)
{
var dpd = DependencyPropertyDescriptor.FromProperty(pd);
if (dpd != null)
{
if (dpd.IsAttached)
{
prop = properties.GetAttachedProperty(dpd.DependencyProperty);
}
else
{
prop = properties.GetProperty(dpd.DependencyProperty);
}
}
}
if (prop == null)
{
prop = properties[md.Name];
}
return prop;
}
/// <summary>
/// Gets if the specified design item property represents an attached dependency property.
/// </summary>
public static bool IsAttachedDependencyProperty(this DesignItemProperty property)
{
if (property.DependencyProperty != null)
{
var dpd = DependencyPropertyDescriptor.FromProperty(property.DependencyProperty, property.DesignItem.ComponentType);
return dpd.IsAttached;
}
return false;
}
}
}