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Vitali Semianiaka
2021-04-14 16:26:56 +03:00
parent 55e354b980
commit 81af2d3c8c
105 changed files with 31645 additions and 0 deletions
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BrightSharp.NET/Diagrams/DesignerItemDecorator.cs Normal file
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using System;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.ComponentModel;
namespace BrightSharp.Diagrams
{
[ToolboxItem(false)]
public class DesignerItemDecorator : Control
{
private Adorner adorner;
public bool ShowDecorator
{
get { return (bool)GetValue(ShowDecoratorProperty); }
set { SetValue(ShowDecoratorProperty, value); }
}
public static readonly DependencyProperty ShowDecoratorProperty =
DependencyProperty.Register("ShowDecorator", typeof(bool), typeof(DesignerItemDecorator),
new FrameworkPropertyMetadata(false, new PropertyChangedCallback(ShowDecoratorProperty_Changed)));
public DesignerItemDecorator()
{
Unloaded += new RoutedEventHandler(DesignerItemDecorator_Unloaded);
}
private void HideAdorner()
{
if (adorner != null)
{
adorner.Visibility = Visibility.Hidden;
}
}
private void ShowAdorner()
{
if (adorner == null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null)
{
ContentControl designerItem = DataContext as ContentControl;
Canvas canvas = VisualTreeHelper.GetParent(designerItem) as Canvas;
adorner = new ResizeRotateAdorner(designerItem);
adornerLayer.Add(adorner);
if (ShowDecorator)
{
adorner.Visibility = Visibility.Visible;
var anim = new DoubleAnimation(0, 1, TimeSpan.FromSeconds(.2));
adorner.BeginAnimation(OpacityProperty, anim);
}
else
{
adorner.Visibility = Visibility.Hidden;
}
}
}
else
{
adorner.Visibility = Visibility.Visible;
var anim = new DoubleAnimation(0, 1, TimeSpan.FromSeconds(.2));
adorner.BeginAnimation(OpacityProperty, anim);
}
}
private void DesignerItemDecorator_Unloaded(object sender, RoutedEventArgs e)
{
if (adorner != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null)
{
adornerLayer.Remove(adorner);
}
adorner = null;
}
}
private static void ShowDecoratorProperty_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DesignerItemDecorator decorator = (DesignerItemDecorator)d;
bool showDecorator = (bool)e.NewValue;
if (showDecorator)
{
decorator.ShowAdorner();
}
else
{
decorator.HideAdorner();
}
}
}
}