public void Animate(double Before, double After, double Duration, IEasingFunction Easing, DependencyProperty Property, FrameworkElement Item)
{
Cancel = false;
IsCompleted = false;
if (Duration == 0 || Before == After)
{
Item.SetValue(Property, After);
return;
}
this.Before = Before;
Item.SetValue(Property, Before);
af = After;
dp = Property;
cnr = Item;
Storyboard sb = new Storyboard();
DoubleAnimation da = new DoubleAnimation()
{
From = Before,
To = After,
Duration = TimeSpan.FromMilliseconds(Duration),
FillBehavior = FillBehavior.Stop,
EasingFunction = Easing
};
Storyboard.SetTargetProperty(da, new PropertyPath(Property));
sb.Children.Add(da);
sb.Completed += Sb_Completed;
Item.BeginStoryboard(sb);
}
public static void Shaking(this FrameworkElement control)
{
if (control != null &&
ShakingStoryboard != null)
{
if (control is PasswordControl)
{
((PasswordControl)control).ShowError();
}
else
{
Transform tran = control.RenderTransform;
//TransformGroup group = tran as TransformGroup;
if (tran != null &&
!(tran is TranslateTransform) &&
tran != Transform.Identity)
{
throw new Exception("该控件的RenderTransform非TranslateTransform类型。");
}
if (tran == null ||
tran == Transform.Identity)
{
tran = new TranslateTransform();
control.RenderTransform = tran;
}
control.BeginStoryboard(ShakingStoryboard);
}
}
}
public void Animate(System.Windows.Thickness Before, System.Windows.Thickness After, int Duration, IEasingFunction Easing, PropertyPath Property, FrameworkElement Item)
{
if (Before == null || After == null)
{
return;
}
if (Duration == 0 || Before == After)
{
Item.Margin = After;
return;
}
Item.Margin = Before;
af = After;
cnr = Item;
Storyboard sb = new Storyboard();
ThicknessAnimation ta = new ThicknessAnimation()
{
From = Before,
To = After,
Duration = TimeSpan.FromMilliseconds(Duration),
FillBehavior = FillBehavior.Stop,
EasingFunction = Easing
};
Storyboard.SetTargetProperty(ta, Property);
sb.Children.Add(ta);
sb.Completed += Sb_Completed;
Item.BeginStoryboard(sb);
}
private static void TranslateItem(FrameworkElement f, double yDelta, int milliseconds)
{
Storyboard sb = (Storyboard)f.GetValue(s_dragPreviewStoryboardProperty);
SplineDoubleKeyFrame k;
if (sb == null)
{
TranslateTransform t;
DoubleAnimationUsingKeyFrames d;
t = new TranslateTransform();
f.RenderTransform = t;
sb = new Storyboard();
k = new SplineDoubleKeyFrame();
k.KeySpline = new KeySpline(0, 0.7, 0.7, 1);
d = new DoubleAnimationUsingKeyFrames();
d.KeyFrames.Add(k);
Storyboard.SetTarget(d, f);
Storyboard.SetTargetProperty(d, new PropertyPath("(RenderTransform).(TranslateTransform.Y)"));
sb.Children.Add(d);
f.SetValue(s_dragPreviewStoryboardProperty, sb);
}
else
{
k = (sb.Children[0] as DoubleAnimationUsingKeyFrames).KeyFrames[0] as SplineDoubleKeyFrame;
}
k.Value = yDelta;
k.KeyTime = TimeSpan.FromMilliseconds(milliseconds);
f.BeginStoryboard(sb);
}
private static void expander_Expanded(object sender, RoutedEventArgs e)
{
Expander expander = sender as Expander;
if (expander != null)
{
expander.UpdateLayout();
FrameworkElement frameworkElement = (FrameworkElement)expander.Template.FindName("ExpandSite", expander);
if (frameworkElement != null)
{
frameworkElement.Visibility = Visibility.Visible;
frameworkElement.UpdateLayout();
Storyboard item = (Storyboard)expander.Template.Resources["Open"];
Storyboard storyboard = (Storyboard)expander.Template.Resources["Close"];
if (storyboard != null)
{
storyboard.Stop(frameworkElement);
}
if (item != null)
{
item.Seek(frameworkElement, new TimeSpan((long)0), TimeSeekOrigin.BeginTime);
frameworkElement.BeginStoryboard(item, HandoffBehavior.SnapshotAndReplace, true);
}
}
}
}
public void Begin(FrameworkElement element, Action onCompleted)
{
var storyboard = new Storyboard {
Children = { Timeline }
};
storyboard.Completed += (s, a) => onCompleted();
element.BeginStoryboard(storyboard);
}
private void translate(FrameworkElement element, double from, double to)
{
DoubleAnimation da = new DoubleAnimation(from, to, new Duration(TimeSpan.FromMilliseconds(500)));
Storyboard.SetTargetProperty(da, new PropertyPath("(Canvas.Top)")); //Do not miss the '(' and ')'
sb.Children.Add(da);
element.BeginStoryboard(sb);
}
private static void StartAnimation(Storyboard sb, FrameworkElement control, Action continueWith = null)
{
var tmp = sb.Clone();
if (continueWith != null)
{
tmp.Completed += (s, ev) => continueWith();
}
control.BeginStoryboard(tmp);
}
public static void MarginFadeOutAnimation(
this FrameworkElement element,
Thickness from,
Thickness to,
TimeSpan?
duration = null,
bool useFade = true,
bool collapse = true)
{
if (duration == null)
{
duration = new TimeSpan(0, 0, 1);
}
var storyboard = new Storyboard();
storyboard.Completed += (sender, ev) =>
{
if (useFade)
{
element.Visibility = Visibility.Collapsed;
}
};
var thicknessAnim = new ThicknessAnimation()
{
From = from,
To = to,
Duration = duration.Value,
EasingFunction = new QuadraticEase()
};
Storyboard.SetTarget(thicknessAnim, element);
Storyboard.SetTargetProperty(thicknessAnim, new PropertyPath(FrameworkElement.MarginProperty));
storyboard.Children.Add(thicknessAnim);
if (useFade)
{
var fadeAnim = new DoubleAnimation()
{
From = 1,
To = 0,
Duration = duration.Value,
EasingFunction = new QuadraticEase()
};
Storyboard.SetTarget(fadeAnim, element);
Storyboard.SetTargetProperty(fadeAnim, new PropertyPath(UIElement.OpacityProperty));
storyboard.Children.Add(fadeAnim);
}
element.BeginStoryboard(storyboard);
}
/// <summary>
/// 在此控件上，执行指定名称的故事板。
/// </summary>
/// <param name="control"></param>
/// <param name="storyboard_name">故事板的索引，会添加故事板前缀。</param>
/// <param name="after_storyboard">在此故事板完成后，要执行的回调。</param>
/// <returns>ExecuteAnimationSuccessed 或者 ExecuteUnexistAnimation 之一。</returns>
public static int ExecuteStoryboard(this FrameworkElement control, string storyboard_name,
EventHandler after_storyboard = null)
{
var storyboard = SearchStoryboardResource(storyboard_name);
if (storyboard == null)
{
return(ExecuteUnexistAnimation);
}
if (after_storyboard != null)
{
storyboard.Completed += after_storyboard;
}
control.BeginStoryboard(storyboard);
return(ExecuteAnimationSuccessed);
}
public static bool BeginTransformAnimation(this FrameworkElement targetcontrol, AnimationParameter parameter)
{
if (targetcontrol != null &&
parameter != null)
{
if (targetcontrol.RenderTransform == null ||
targetcontrol.RenderTransform == Transform.Identity)
{
targetcontrol.RenderTransform = new TransformGroup
{
Children = new TransformCollection
{
new ScaleTransform()
{
CenterX = parameter.Values.ScaleCenterX,
CenterY = parameter.Values.ScaleCenterY,
ScaleX = parameter.Values.ScaleFromX,
ScaleY = parameter.Values.ScaleFromY
},
new TranslateTransform()
{
X = parameter.Values.TranslateFromX,
Y = parameter.Values.TranslateFromY
},
new RotateTransform(),
new SkewTransform(),
}
};
}
Storyboard storyboard = TransformAnimations.Instance.CreateStoryboard(
parameter.ControlAnimation,
parameter.Values,
parameter.StoryboardComplateCallBack
);
if (storyboard != null)
{
targetcontrol.BeginStoryboard(storyboard);
return(true);
}
}
return(false);
}
private static void TranslateItem(FrameworkElement element, double delta, int milliseconds, Orientation orientation)
{
var storyboard = (Storyboard)element.GetValue(_dragPreviewStoryboardProperty);
SplineDoubleKeyFrame keyframe;
if (storyboard == null)
{
var t = new TranslateTransform();
element.RenderTransform = t;
keyframe = new SplineDoubleKeyFrame
{
KeySpline = new KeySpline(0, 0.7, 0.7, 1)
};
var animation = new DoubleAnimationUsingKeyFrames();
animation.KeyFrames.Add(keyframe);
Storyboard.SetTarget(animation, element);
PropertyPath propertyPath;
if (orientation == Orientation.Vertical)
{
propertyPath = new PropertyPath("(RenderTransform).(TranslateTransform.Y)");
}
else
{
propertyPath = new PropertyPath("(RenderTransform).(TranslateTransform.X)");
}
Storyboard.SetTargetProperty(animation, propertyPath);
storyboard = new Storyboard();
storyboard.Children.Add(animation);
element.SetValue(_dragPreviewStoryboardProperty, storyboard);
}
else
{
keyframe = storyboard.Children.Cast <DoubleAnimationUsingKeyFrames>().Single().KeyFrames.Cast <SplineDoubleKeyFrame>().Single();
}
keyframe.Value = delta;
keyframe.KeyTime = TimeSpan.FromMilliseconds(milliseconds);
element.BeginStoryboard(storyboard);
}
private void ShowGrid(FrameworkElement e)
{
Storyboard storyboard = FindResource("VisibleStoryboard") as Storyboard;
e.BeginStoryboard(storyboard);
}
private void HideGrid(FrameworkElement e)
{
Storyboard storyboard = FindResource("CollapsedStoryboard") as Storyboard;
e.BeginStoryboard(storyboard);
}
/// <summary>
/// Begins the animation.
/// </summary>
public void BeginAnimation()
{
_fe.BeginStoryboard(sb);
}