81 lines
3.2 KiB
C#
81 lines
3.2 KiB
C#
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Media.Animation;
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namespace Crysome.Server.Controls;
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[TemplatePart(Name = "PART_OldContent", Type = typeof(ContentPresenter))]
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[TemplatePart(Name = "PART_NewContent", Type = typeof(ContentPresenter))]
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public class PageTransitionControl : ContentControl
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{
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private ContentPresenter _oldContent;
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private ContentPresenter _newContent;
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static PageTransitionControl()
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{
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FrameworkElement.DefaultStyleKeyProperty.OverrideMetadata(typeof(PageTransitionControl), (PropertyMetadata)(object)new FrameworkPropertyMetadata((object)typeof(PageTransitionControl)));
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}
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public override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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_oldContent = GetTemplateChild("PART_OldContent") as ContentPresenter;
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_newContent = GetTemplateChild("PART_NewContent") as ContentPresenter;
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if (_newContent != null)
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{
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_newContent.Content = base.Content;
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}
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}
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protected override void OnContentChanged(object oldContent, object newContent)
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{
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base.OnContentChanged(oldContent, newContent);
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if (_oldContent != null && _newContent != null)
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{
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_oldContent.Content = oldContent;
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_newContent.Content = newContent;
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_oldContent.RenderTransform = new TranslateTransform();
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_newContent.RenderTransform = new TranslateTransform();
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_oldContent.Opacity = 1.0;
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_newContent.Opacity = 0.0;
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AnimateTransition();
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}
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}
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private void AnimateTransition()
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{
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Storyboard storyboard = new Storyboard();
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TimeSpan timeSpan = TimeSpan.FromMilliseconds(300L, 0L);
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CubicEase easingFunction = new CubicEase
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{
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EasingMode = EasingMode.EaseOut
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};
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DoubleAnimation doubleAnimation = new DoubleAnimation(0.0, -50.0, timeSpan)
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{
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EasingFunction = easingFunction
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};
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DoubleAnimation doubleAnimation2 = new DoubleAnimation(1.0, 0.0, timeSpan);
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Storyboard.SetTarget((DependencyObject)(object)doubleAnimation, (DependencyObject)(object)_oldContent);
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Storyboard.SetTargetProperty((DependencyObject)(object)doubleAnimation, new PropertyPath("(UIElement.RenderTransform).(TranslateTransform.X)"));
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Storyboard.SetTarget((DependencyObject)(object)doubleAnimation2, (DependencyObject)(object)_oldContent);
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Storyboard.SetTargetProperty((DependencyObject)(object)doubleAnimation2, new PropertyPath("Opacity"));
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DoubleAnimation doubleAnimation3 = new DoubleAnimation(50.0, 0.0, timeSpan)
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{
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EasingFunction = easingFunction
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};
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DoubleAnimation doubleAnimation4 = new DoubleAnimation(0.0, 1.0, timeSpan);
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Storyboard.SetTarget((DependencyObject)(object)doubleAnimation3, (DependencyObject)(object)_newContent);
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Storyboard.SetTargetProperty((DependencyObject)(object)doubleAnimation3, new PropertyPath("(UIElement.RenderTransform).(TranslateTransform.X)"));
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Storyboard.SetTarget((DependencyObject)(object)doubleAnimation4, (DependencyObject)(object)_newContent);
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Storyboard.SetTargetProperty((DependencyObject)(object)doubleAnimation4, new PropertyPath("Opacity"));
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storyboard.Children.Add(doubleAnimation);
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storyboard.Children.Add(doubleAnimation2);
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storyboard.Children.Add(doubleAnimation3);
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storyboard.Children.Add(doubleAnimation4);
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storyboard.Begin();
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}
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}
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