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comparison MetroWpf/MetroWpf.Xaml/Transitions/TranslateTransition.cs @ 24:a8b50a087544

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Stocks and FxRates working, new menu introduced. Working nicely so far
author adminsh@apollo
date Tue, 20 Mar 2012 20:18:35 +0000
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23:399398841fd0 24:a8b50a087544
1 using System.Windows;
2 using System.Windows.Controls;
3 using System.Windows.Media;
4 using System.Windows.Media.Animation;
5
6 namespace MetroWpf.Xaml.Transitions
7 {
8 // Applies a Translation to the content. You can specify the starting point of the new
9 // content or the ending point of the old content using relative coordinates.
10 // Set start point to (-1,0) to have the content slide from the left
11 public class TranslateTransition : Transition
12 {
13 static TranslateTransition()
14 {
15 ClipToBoundsProperty.OverrideMetadata(typeof(TranslateTransition), new FrameworkPropertyMetadata(true));
16 }
17
18 public Duration Duration
19 {
20 get { return (Duration)GetValue(DurationProperty); }
21 set { SetValue(DurationProperty, value); }
22 }
23
24 public static readonly DependencyProperty DurationProperty =
25 DependencyProperty.Register("Duration", typeof(Duration), typeof(TranslateTransition), new UIPropertyMetadata(Duration.Automatic));
26
27 public Point StartPoint
28 {
29 get { return (Point)GetValue(StartPointProperty); }
30 set { SetValue(StartPointProperty, value); }
31 }
32
33 public static readonly DependencyProperty StartPointProperty =
34 DependencyProperty.Register("StartPoint", typeof(Point), typeof(TranslateTransition), new UIPropertyMetadata(new Point()));
35
36 public Point EndPoint
37 {
38 get { return (Point)GetValue(EndPointProperty); }
39 set { SetValue(EndPointProperty, value); }
40 }
41
42 public static readonly DependencyProperty EndPointProperty =
43 DependencyProperty.Register("EndPoint", typeof(Point), typeof(TranslateTransition), new UIPropertyMetadata(new Point()));
44
45 protected internal override void BeginTransition(TransitionPresenter transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
46 {
47 TranslateTransform tt = new TranslateTransform(StartPoint.X * transitionElement.ActualWidth, StartPoint.Y * transitionElement.ActualHeight);
48
49 if (IsNewContentTopmost)
50 newContent.RenderTransform = tt;
51 else
52 oldContent.RenderTransform = tt;
53
54 DoubleAnimation da = new DoubleAnimation(EndPoint.X * transitionElement.ActualWidth, Duration);
55 tt.BeginAnimation(TranslateTransform.XProperty, da);
56
57 da.To = EndPoint.Y * transitionElement.ActualHeight;
58 da.Completed += delegate
59 {
60 EndTransition(transitionElement, oldContent, newContent);
61 };
62 tt.BeginAnimation(TranslateTransform.YProperty, da);
63 }
64
65 protected override void OnTransitionEnded(TransitionPresenter transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
66 {
67 newContent.ClearValue(ContentPresenter.RenderTransformProperty);
68 oldContent.ClearValue(ContentPresenter.RenderTransformProperty);
69 }
70 }
71 }