是否可以在 Silverlight 中制作像 ChildWindow 这样的 ChildWindow,但对于 WPF?我试图使 Silverlight ChildWindow 适应 WPF,但遇到了转换问题并且无法设置弹出窗口的父级。我正在尝试制作一些可以模拟的东西,所以我不必为弹出窗口添加代码到 XAML。有任何想法吗?
4 回答
这个类应该做你想做的事:
public class SilverlightishPopup
{
private Rectangle maskRectangle = new Rectangle { Fill = new SolidColorBrush(Colors.DarkGray), Opacity = 0.0 };
public FrameworkElement Parent
{
get;
set;
}
public FrameworkElement Content
{
get;
set;
}
public SilverlightishPopup()
{
Button button = new Button();
button.Width = 100;
button.Height = 200;
button.Content = "I am the popup!";
button.Click += delegate { Close(); };
Content = button;
}
public void Show()
{
Grid grid = GetRootGrid();
if (grid != null)
{
DoubleAnimation opacityAnimation = new DoubleAnimation(0.5, new Duration(TimeSpan.FromSeconds(0.5)));
Storyboard opacityBoard = new Storyboard();
opacityBoard.Children.Add(opacityAnimation);
Storyboard.SetTarget(opacityAnimation, maskRectangle);
Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("(Opacity)"));
opacityBoard.Completed += delegate
{
ScaleTransform scaleTransform = new ScaleTransform(0.0, 0.0, Content.Width / 2.0, Content.Height / 2.0);
Content.RenderTransform = scaleTransform;
grid.Children.Add(Content);
Storyboard scaleBoard = new Storyboard();
DoubleAnimation scaleXAnimation = new DoubleAnimation(1.0, TimeSpan.FromSeconds(0.5));
scaleBoard.Children.Add(scaleXAnimation);
Storyboard.SetTarget(scaleXAnimation, Content);
Storyboard.SetTargetProperty(scaleXAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleX)"));
DoubleAnimation scaleYAnimation = new DoubleAnimation(1.0, TimeSpan.FromSeconds(0.5));
scaleBoard.Children.Add(scaleYAnimation);
Storyboard.SetTarget(scaleYAnimation, Content);
Storyboard.SetTargetProperty(scaleYAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleY)"));
scaleBoard.Begin();
};
opacityBoard.Begin();
grid.Children.Add(maskRectangle);
}
}
public void Close()
{
Grid grid = GetRootGrid();
if (grid != null)
{
ScaleTransform scaleTransform = new ScaleTransform(1.0, 1.0, Content.Width / 2.0, Content.Height / 2.0);
Content.RenderTransform = scaleTransform;
Storyboard scaleBoard = new Storyboard();
DoubleAnimation scaleXAnimation = new DoubleAnimation(0.0, TimeSpan.FromSeconds(0.5));
scaleBoard.Children.Add(scaleXAnimation);
Storyboard.SetTarget(scaleXAnimation, Content);
Storyboard.SetTargetProperty(scaleXAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleX)"));
DoubleAnimation scaleYAnimation = new DoubleAnimation(0.0, TimeSpan.FromSeconds(0.5));
scaleBoard.Children.Add(scaleYAnimation);
Storyboard.SetTarget(scaleYAnimation, Content);
Storyboard.SetTargetProperty(scaleYAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleY)"));
scaleBoard.Completed += delegate
{
DoubleAnimation opacityAnimation = new DoubleAnimation(0.5, 0.0, new Duration(TimeSpan.FromSeconds(0.5)));
Storyboard opacityBoard = new Storyboard();
opacityBoard.Children.Add(opacityAnimation);
Storyboard.SetTarget(opacityAnimation, maskRectangle);
Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("(Opacity)"));
opacityBoard.Completed += delegate
{
grid.Children.Remove(maskRectangle);
grid.Children.Remove(Content);
};
opacityBoard.Begin();
};
scaleBoard.Begin();
}
}
private Grid GetRootGrid()
{
FrameworkElement root = Parent;
while (root is FrameworkElement && root.Parent != null)
{
FrameworkElement rootElement = root as FrameworkElement;
if (rootElement.Parent is FrameworkElement)
{
root = rootElement.Parent as FrameworkElement;
}
}
ContentControl contentControl = root as ContentControl;
return contentControl.Content as Grid;
}
}
只需将 Parent 属性设置为父窗口中的任何 Framework 元素(它会找到用掩码阻止它的 Window),并将内容设置为您想要弹出的任何内容(并在需要时调用 Show 方法当然要显示)。您必须自己提出弹出包装器(即带有边框和调用 close 方法的关闭按钮的东西),但这应该不难,并且显然删除了构造函数中的占位符按钮(它只是为了向您展示它的外观)。
唯一的问题是它只适用于具有其内容的窗口(即在 Silverlight 中名为“LayoutRoot”的东西)是网格(创建新 WPF/Silverlight 窗口/页面时的默认设置)。我将它设置为适用于所有面板,但与 StackPanel 或 DockPanel 一起使用时看起来很奇怪(如预期的那样)。如果这对您不起作用,请告诉我,我们会想办法解决的。
如果您使用它,您可能可以让动画看起来更接近原始弹出窗口(可能使用一些缓动)。可能还有一种更好的方法来找到根,我只是在动态中想出了那个方法,但我认为它会起作用(尽管同样,只有 Contentcontrol 的内容设置为网格)。
如果您有任何疑问/问题,请告诉我,我希望这能解决您的问题。
看看BubbleBurst 源代码。GameOverView 完全符合您的要求。
只需从 Window 派生并从父窗口调用 ShowDialog。
在此处查看扩展 WPF 工具包中可用的 ChildWindow 控件 http://wpftoolkit.codeplex.com/wikipage?title=ChildWindow&referringTitle=Home