/// <summary>
/// Hide current overlay panel
/// </summary>
/// <param name="length"></param>
/// <param name="left_right"></param>
void HideOverlayPanel(double length, bool left_right)
{
_leftRightAnimation = left_right;
_tempPaneAnimation = _tempPane;
_lengthAnimation = length;
_animation = new DoubleAnimation();
_animation.From = length;
_animation.To = 0.0;
_animation.Duration = new Duration(TimeSpan.FromMilliseconds(200));
_animation.Completed += new EventHandler(HideOverlayPanel_Completed);
if (left_right)
{
_tempPaneAnimation.BeginAnimation(FrameworkElement.WidthProperty, _animation);
}
else
{
_tempPaneAnimation.BeginAnimation(FrameworkElement.HeightProperty, _animation);
}
DoubleAnimation anOpacity = new DoubleAnimation();
anOpacity.From = 1.0;
anOpacity.To = 0.0;
anOpacity.Duration = new Duration(TimeSpan.FromMilliseconds(200));
panelFront.BeginAnimation(DockPanel.OpacityProperty, anOpacity);
}
/// <summary>
/// Showing animation completed event handler
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <remarks>Set final lenght and reset animation object on temp overlay panel</remarks>
void ShowOverlayPanel_Completed(object sender, EventArgs e)
{
_animation.Completed -= new EventHandler(ShowOverlayPanel_Completed);
if (_tempPaneAnimation != null)
{
if (_leftRightAnimation)
{
_tempPaneAnimation.BeginAnimation(FrameworkElement.WidthProperty, null);
_tempPaneAnimation.Width = _lengthAnimation;
}
else
{
_tempPaneAnimation.BeginAnimation(FrameworkElement.HeightProperty, null);
_tempPaneAnimation.Height = _lengthAnimation;
}
}
_tempPaneAnimation = null;
}
/// <summary>
/// Forces to hide current overlay panel
/// </summary>
/// <remarks>Usually used when a second animation is about to start from a different button</remarks>
void ForceHideOverlayPanel()
{
if (_tempPaneAnimation != null)
{
_animation.Completed -= new EventHandler(HideOverlayPanel_Completed);
_animation.Completed -= new EventHandler(ShowOverlayPanel_Completed);
if (_leftRightAnimation)
{
_tempPaneAnimation.BeginAnimation(FrameworkElement.WidthProperty, null);
//_tempPaneAnimation.Width = 0;
}
else
{
_tempPaneAnimation.BeginAnimation(FrameworkElement.HeightProperty, null);
//_tempPaneAnimation.Height = 0;
}
_tempPaneAnimation.Close();
_tempPaneAnimation = null;
}
}
/// <summary>
/// Show current overlay pane which hosts current auto-hiding content
/// </summary>
/// <param name="length">Target length</param>
/// <param name="left_right">Resize orientaion</param>
void ShowOverlayPanel(double length, bool left_right)
{
ForceHideOverlayPanel();
_leftRightAnimation = left_right;
_tempPaneAnimation = _tempPane;
_lengthAnimation = length;
_animation = new DoubleAnimation();
_animation.From = 0.0;
_animation.To = length;
_animation.Duration = new Duration(TimeSpan.FromMilliseconds(200));
_animation.Completed += new EventHandler(ShowOverlayPanel_Completed);
if (_leftRightAnimation)
_tempPaneAnimation.BeginAnimation(FrameworkElement.WidthProperty, _animation);
else
_tempPaneAnimation.BeginAnimation(FrameworkElement.HeightProperty, _animation);
DoubleAnimation anOpacity = new DoubleAnimation();
anOpacity.From = 0.0;
anOpacity.To = 1.0;
anOpacity.Duration = new Duration(TimeSpan.FromMilliseconds(200));
panelFront.BeginAnimation(DockPanel.OpacityProperty, anOpacity);
}
