/// <summary>
/// 展开推文显示区域
/// </summary>
///
/// <param name="mainWindow">主窗体this指针</param>
/// <param name="expandHeight">需要展开的高度</param>
public static void ExpandTweetPanel(MainWindow w,int expandHeight)
{
DoubleAnimation a = new DoubleAnimation();
a.From = w.TweetPanel.Height;
a.To = w.TweetPanel.Height + expandHeight;
a.Duration = new Duration(TimeSpan.Parse("0:0:1"));
a.AccelerationRatio = 0.5;
a.DecelerationRatio = 0.5;
Storyboard aHeightsb = new Storyboard();
Storyboard.SetTargetProperty(a, new PropertyPath(StackPanel.HeightProperty));
aHeightsb.Children.Add(a);
aHeightsb.Begin(w.TweetPanel);
DoubleAnimation b = new DoubleAnimation();
b.From = w.Top;
b.To = b.From - expandHeight;
b.Duration = new Duration(TimeSpan.Parse("0:0:1"));
b.AccelerationRatio = 0.5;
b.DecelerationRatio = 0.5;
w.BeginAnimation(Window.TopProperty, b);
DoubleAnimation c = new DoubleAnimation();
c.From = w.Height;
c.To = w.Height + expandHeight;
c.Duration = new Duration(TimeSpan.Parse("0:0:1"));
c.AccelerationRatio = 0.5;
c.DecelerationRatio = 0.5;
w.BeginAnimation(MainWindow.HeightProperty, c);
}
public static void CreateTweetGrid(MainWindow w, int TweetsAmount)
{
for (int i = 0; i < TweetsAmount;i++ )
{
Grid g = new Grid();
g.Name = "Tweet" + i;
g.Height = 50;
g.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(50) });
g.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1,GridUnitType.Star) });
g.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
g.RowDefinitions.Add(new RowDefinition { Height = new GridLength(4, GridUnitType.Star) });
Image gImage=new Image{Margin=new Thickness(1)};
g.Children.Add(gImage);
Grid.SetColumn(gImage, 0);
Grid.SetRow(gImage, 0);
Grid.SetRowSpan(gImage, 2);
TextBlock tID = new TextBlock { Name = "ID", TextAlignment = TextAlignment.Right, FontSize = 8 };
g.Children.Add(tID);
Grid.SetColumn(tID, 1);
Grid.SetRow(tID, 0);
TextBlock tStatus = new TextBlock { Name = "Status", FontSize = 10 };
g.Children.Add(tStatus);
Grid.SetColumn(tStatus, 1);
Grid.SetRow(tStatus, 1);
w.TweetPanel.Children.Add(g);
}
}
public static void ExpandLoginPanel(MainWindow w,int expandHeight)
{
DoubleAnimation a = new DoubleAnimation();
a.From = w.LoginPanel.Height;
a.To = w.LoginPanel.Height + expandHeight;
a.Duration = new Duration(TimeSpan.Parse("0:0:1"));
a.AccelerationRatio = 0.5;
a.DecelerationRatio = 0.5;
Storyboard aHeightsb = new Storyboard();
Storyboard.SetTargetProperty(a, new PropertyPath(StackPanel.HeightProperty));
aHeightsb.Children.Add(a);
aHeightsb.Begin(w.LoginPanel);
}