/*
* Move all buttons into the wrap panel
* */
void OnWrapPanel(object sender, RoutedEventArgs e)
{
ClearPanels();
for (int i = 0; i < numItems; i++)
{
LayoutToLayoutTarget target = Targets[i] as LayoutToLayoutTarget;
(Hosts[i] as LayoutToLayoutHost).BeginAnimating(false);
LTLWrapPanel.Children.Add(target);
}
}
/*
* Link up the Host to the Target and initialize but do not start the timer
* */
public void BindToTarget(LayoutToLayoutTarget t)
{
Target = t;
t.Host = this;
translation = new TranslateTransform(0, 0);
RenderTransform = translation;
Refresher = new DispatcherTimer();
Refresher.Interval = TimeSpan.FromMilliseconds(timeSpan);
Refresher.Tick += OnAnimStateInvalidated;
UpdateFromTarget();
}
/*
* Move all buttons into the 3x3 grid
* */
void OnGrid3(object sender, RoutedEventArgs e)
{
ClearPanels();
gridSize = 3;
counter = 0;
for (int i = 0; i < numItems; i++)
{
LayoutToLayoutTarget target = Targets[i] as LayoutToLayoutTarget;
(Hosts[i] as LayoutToLayoutHost).BeginAnimating(false);
Grid.SetRow(target, i / 3);
Grid.SetColumn(target, i % 3);
LTLGrid2.Children.Add(target);
}
}
void OnLoad(object sender, RoutedEventArgs e)
{
Application app = System.Windows.Application.Current;
Panels.Add(LTLGrid);
Panels.Add(LTLGrid2);
Panels.Add(LTLStackPanel);
Panels.Add(LTLWrapPanel);
Debug.WriteLine("Grid children: " + ButtonGrid.Children.Count);
for (int i = 0; i < numItems; i++)
{
LayoutToLayoutTarget target = new LayoutToLayoutTarget();
Targets.Add(target);
target.Margin = new Thickness(5);
target.MinWidth = 80; target.MinHeight = 50;
target.BorderThickness = new Thickness(0);
Grid.SetRow(target, i / 5);
Grid.SetColumn(target, i % 5);
LTLGrid.Children.Add(target);
LayoutToLayoutHost host = new LayoutToLayoutHost();
Hosts.Add(host);
host.BorderThickness = new Thickness(0);
Button demoButton = new Button();
demoButton.Content = "# " + i;
demoButton.Style = app.Resources["ButtonStyle"] as Style;
demoButton.Click += OnAdvanceClick;
host.Child = demoButton;
//host.Child = Buttons[i] as Button;
Canvas.SetLeft(host, 0); Canvas.SetTop(host, 0);
LTLCanvas.Children.Add(host);
host.BindToTarget(target);
}
}
/*
* Break the cyclical reference
* */
public void ReleaseFromTarget()
{
Target.Host = null;
Target = null;
}
/*
* If the host gets unloaded, break the cyclical reference to make sure the GC does its job
* */
void OnUnload(object sender, RoutedEventArgs e)
{
Target.Host = null;
Target = null;
}