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annotate MetroWpf/MetroWpf.Xaml/Transitions/Transition.cs @ 65:5d0c5cc83a7a

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Click event handler added
author Steven Hollidge <stevenhollidge@hotmail.com>
date Sun, 22 Apr 2012 14:21:33 +0100
parents a8b50a087544
children
rev   line source
24
a8b50a087544 Stocks and FxRates working, new menu introduced. Working nicely so far
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1 using System.Windows;
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2 using System.Windows.Controls;
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3 using System.Windows.Media;
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4
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5 namespace MetroWpf.Xaml.Transitions
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6 {
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7 // Base class for all transitions.
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8 public class Transition : DependencyObject
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9 {
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10 public bool ClipToBounds
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11 {
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12 get { return (bool)GetValue(ClipToBoundsProperty); }
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13 set { SetValue(ClipToBoundsProperty, value); }
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14 }
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15
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16 public static readonly DependencyProperty ClipToBoundsProperty =
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17 DependencyProperty.Register("ClipToBounds",
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18 typeof(bool),
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19 typeof(Transition),
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20 new UIPropertyMetadata(false));
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21
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22 public bool IsNewContentTopmost
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23 {
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24 get { return (bool)GetValue(IsNewContentTopmostProperty); }
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25 set { SetValue(IsNewContentTopmostProperty, value); }
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26 }
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27
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28 public static readonly DependencyProperty IsNewContentTopmostProperty =
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29 DependencyProperty.Register("IsNewContentTopmost",
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30 typeof(bool),
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31 typeof(Transition),
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32 new UIPropertyMetadata(true));
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33
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34 // Called when an element is Removed from the TransitionPresenter's visual tree
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35 protected internal virtual void BeginTransition(TransitionPresenter transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
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36 {
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37 EndTransition(transitionElement, oldContent, newContent);
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38 }
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39
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40 //Transitions should call this method when they are done
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41 protected void EndTransition(TransitionPresenter transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
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42 {
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43 OnTransitionEnded(transitionElement, oldContent, newContent);
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44
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45 transitionElement.OnTransitionCompleted();
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46 }
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47
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48 //Transitions can override this to perform cleanup at the end of the transition
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49 protected virtual void OnTransitionEnded(TransitionPresenter transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
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50 {
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51 }
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52
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53 // Returns a clone of the element and hides it in the main tree
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54 protected static Brush CreateBrush(ContentPresenter content)
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55 {
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56 ((Decorator)content.Parent).Visibility = Visibility.Hidden;
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57
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58 VisualBrush brush = new VisualBrush(content);
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59 brush.ViewportUnits = BrushMappingMode.Absolute;
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60 RenderOptions.SetCachingHint(brush, CachingHint.Cache);
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61 RenderOptions.SetCacheInvalidationThresholdMinimum(brush, 40);
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62 return brush;
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63 }
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64 }
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65 }