private void ShowAdornerInternal()
{
if (currentDisplayedAdorner != null)
{
return;
}
if (AdornerContent != null)
{
if (adornerLayer == null)
{
adornerLayer = AdornerLayer.GetAdornerLayer(this);
}
if (adornerLayer != null)
{
currentDisplayedAdorner = new FrameworkElementAdorner(AdornerContent, this,
HorizontalAdornerPlacement,
VerticalAdornerPlacement,
AdornerOffsetX, AdornerOffsetY);
adornerLayer.Add(currentDisplayedAdorner);
UpdateAdornerDataContext();
}
}
adornerShowState = AdornerShowState.Visible;
}
private void FadeInAdorner()
{
if (adornerShowState == AdornerShowState.Visible ||
adornerShowState == AdornerShowState.FadingIn)
{
// Already visible or fading in.
return;
}
ShowAdorner();
if (adornerShowState != AdornerShowState.FadingOut)
{
currentDisplayedAdorner.Opacity = 0.0;
}
var doubleAnimation = new DoubleAnimation(1.0, new Duration(TimeSpan.FromSeconds(FadeInTime)));
doubleAnimation.Completed += (sender, args) => adornerShowState = AdornerShowState.Visible;
doubleAnimation.Freeze();
currentDisplayedAdorner.BeginAnimation(OpacityProperty, doubleAnimation);
adornerShowState = AdornerShowState.FadingIn;
}
/// <summary>
/// Fade the adorner out and make it visible.
/// </summary>
public void FadeOutAdorner()
{
if (adornerShowState == AdornerShowState.FadingOut)
{
//
// Already fading out.
//
return;
}
if (adornerShowState == AdornerShowState.Hidden)
{
//
// Adorner has already been hidden.
//
return;
}
DoubleAnimation fadeOutAnimation = new DoubleAnimation(0.0, new Duration(TimeSpan.FromSeconds(FadeOutTime)));
fadeOutAnimation.Completed += new EventHandler(fadeOutAnimation_Completed);
fadeOutAnimation.Freeze();
adorner.BeginAnimation(FrameworkElement.OpacityProperty, fadeOutAnimation);
adornerShowState = AdornerShowState.FadingOut;
}
/// <summary>
/// Fade the adorner in and make it visible.
/// </summary>
public void FadeInAdorner()
{
if (adornerShowState == AdornerShowState.Visible ||
adornerShowState == AdornerShowState.FadingIn)
{
// Already visible or fading in.
return;
}
this.ShowAdorner();
if (adornerShowState != AdornerShowState.FadingOut)
{
adorner.Opacity = 0.0;
}
DoubleAnimation doubleAnimation = new DoubleAnimation(1.0, new Duration(TimeSpan.FromSeconds(FadeInTime)));
doubleAnimation.Completed += new EventHandler(fadeInAnimation_Completed);
doubleAnimation.Freeze();
adorner.BeginAnimation(FrameworkElement.OpacityProperty, doubleAnimation);
adornerShowState = AdornerShowState.FadingIn;
}
/// <summary>
/// Event raised when the fade in animation has completed.
/// </summary>
private void fadeInAnimation_Completed(object sender, EventArgs e)
{
if (adornerShowState == AdornerShowState.FadingIn)
{
// Still fading in, eg it wasn't aborted.
adornerShowState = AdornerShowState.Visible;
}
}
private void HideAdornerInternal()
{
if (adornerLayer == null || currentDisplayedAdorner == null)
{
return;
}
closeAdornerTimer.Stop();
adornerLayer.Remove(currentDisplayedAdorner);
currentDisplayedAdorner.DisconnectChild();
currentDisplayedAdorner = null;
adornerLayer = null;
adornerShowState = AdornerShowState.Hidden;
}
/// <summary>
/// Internal method to show the adorner.
/// </summary>
private void ShowAdornerInternal()
{
if (this.adorner != null)
{
// Already adorned.
return;
}
if (this.AdornerContent != null)
{
if (this.adornerLayer == null)
{
this.adornerLayer = AdornerLayer.GetAdornerLayer(this);
}
if (this.adornerLayer != null)
{
FrameworkElement adornedControl = this; // The control to be adorned defaults to 'this'.
if (!string.IsNullOrEmpty(this.AdornedTemplatePartName))
{
// If 'AdornedTemplatePartName' is set to a valid string then search the visual-tree
// for a UI element that has the specified part name. If we find it then use it as the
// adorned control, otherwise throw an exception.
adornedControl = FindNamedChild(this, this.AdornedTemplatePartName);
if (adornedControl == null)
{
throw new ApplicationException("Failed to find a FrameworkElement in the visual-tree with the part name '" + this.AdornedTemplatePartName + "'.");
}
}
this.adorner = new FrameworkElementAdorner(
this.AdornerContent,
adornedControl,
this.HorizontalAdornerPlacement,
this.VerticalAdornerPlacement,
this.AdornerOffsetX,
this.AdornerOffsetY);
this.adornerLayer.Add(this.adorner);
this.UpdateAdornerDataContext();
}
}
this.adornerShowState = AdornerShowState.Visible;
}
/// <summary>
/// Internal method to hide the adorner.
/// </summary>
private void HideAdornerInternal()
{
if (this.adornerLayer == null || this.adorner == null)
{
// Not already adorned.
return;
}
// Stop the timer that might be about to fade out the adorner.
this.adornerLayer.Remove(this.adorner);
this.adorner.DisconnectChild();
this.adorner = null;
this.adornerLayer = null;
// Ensure that the state of the adorned control reflects that
// the the adorner is no longer.
this.adornerShowState = AdornerShowState.Hidden;
}
private void FadeOutAdorner()
{
if (adornerShowState == AdornerShowState.FadingOut ||
adornerShowState == AdornerShowState.Hidden)
{
return;
}
var fadeOutAnimation = new DoubleAnimation(0.0, new Duration(TimeSpan.FromSeconds(FadeOutTime)));
fadeOutAnimation.Completed += (sender, args) =>
{
if (adornerShowState == AdornerShowState.FadingOut)
{
HideAdorner();
}
};
fadeOutAnimation.Freeze();
currentDisplayedAdorner.BeginAnimation(OpacityProperty, fadeOutAnimation);
adornerShowState = AdornerShowState.FadingOut;
}
/// <summary>
/// Remove the adorner from the adorner layer and let it be garbage collected.
/// </summary>
private void RemoveAdorner()
{
//
// Stop the timer that might be about to fade out the adorner.
//
closeAdornerTimer.Stop();
if (this.adornerLayer != null && this.adorner != null)
{
this.adornerLayer.Remove(this.adorner);
this.adorner.DisconnectChild();
}
this.adorner = null;
this.adornerLayer = null;
//
// Ensure that the state of the adorned control reflects that
// the the adorner is no longer.
//
this.IsAdornerVisible = false;
this.adornerShowState = AdornerShowState.Hidden;
}
/// <summary>
/// Event raised when the fade in animation has completed.
/// </summary>
private void fadeInAnimation_Completed(object sender, EventArgs e)
{
adornerShowState = AdornerShowState.Visible;
}
/// <summary>
/// Hide the _adorner.
/// </summary>
public void HideAdorner()
{
if (IsAlwaysVisible == true)
{
return;
}
IsAdornerVisible = false;
closeAdornerTimer.Stop();
_adornerShowState = AdornerShowState.Hidden;
}
/// <summary>
/// Internal method to show the adorner.
/// </summary>
private void ShowAdornerInternal()
{
if (this.adorner != null)
{
// Already adorned.
return;
}
if (this.AdornerContent != null)
{
if (this.adornerLayer == null)
{
this.adornerLayer = AdornerLayer.GetAdornerLayer(this);
}
if (this.adornerLayer != null)
{
FrameworkElement adornedControl = this; // The control to be adorned defaults to 'this'.
if (!string.IsNullOrEmpty(this.AdornedTemplatePartName))
{
//
// If 'AdornedTemplatePartName' is set to a valid string then search the visual-tree
// for a UI element that has the specified part name. If we find it then use it as the
// adorned control, otherwise throw an exception.
//
adornedControl = FindNamedChild(this, this.AdornedTemplatePartName);
if (adornedControl == null)
{
throw new ApplicationException("Failed to find a FrameworkElement in the visual-tree with the part name '" + this.AdornedTemplatePartName + "'.");
}
}
this.adorner = new FrameworkElementAdorner(this.AdornerContent, adornedControl,
this.HorizontalAdornerPlacement, this.VerticalAdornerPlacement,
this.AdornerOffsetX, this.AdornerOffsetY);
this.adornerLayer.Add(this.adorner);
UpdateAdornerDataContext();
}
}
this.adornerShowState = AdornerShowState.Visible;
}
/// <summary>
/// Internal method to hide the adorner.
/// </summary>
private void HideAdornerInternal()
{
if (this.adornerLayer == null || this.adorner == null)
{
// Not already adorned.
return;
}
//
// Stop the timer that might be about to fade out the adorner.
//
closeAdornerTimer.Stop();
this.adornerLayer.Remove(this.adorner);
this.adorner.DisconnectChild();
this.adorner = null;
this.adornerLayer = null;
//
// Ensure that the state of the adorned control reflects that
// the the adorner is no longer.
//
this.adornerShowState = AdornerShowState.Hidden;
}
/// <summary>
/// Fade the adorner in and make it visible.
/// </summary>
public void FadeInAdorner()
{
if (adornerShowState == AdornerShowState.Visible ||
adornerShowState == AdornerShowState.FadingIn)
{
// Already visible or fading in.
return;
}
this.ShowAdorner();
if (adornerShowState != AdornerShowState.FadingOut)
{
adorner.Opacity = 0.0;
}
DoubleAnimation doubleAnimation = new DoubleAnimation(1.0, new Duration(TimeSpan.FromSeconds(FadeInTime)));
doubleAnimation.Completed += new EventHandler(fadeInAnimation_Completed);
doubleAnimation.Freeze();
adorner.BeginAnimation(FrameworkElement.OpacityProperty, doubleAnimation);
adornerShowState = AdornerShowState.FadingIn;
}
/// <summary>
/// Fade the adorner out and make it visible.
/// </summary>
public void FadeOutAdorner()
{
if (adornerShowState == AdornerShowState.FadingOut)
{
//
// Already fading out.
//
return;
}
if (adornerShowState == AdornerShowState.Hidden)
{
//
// Adorner has already been hidden.
//
return;
}
DoubleAnimation fadeOutAnimation = new DoubleAnimation(0.0, new Duration(TimeSpan.FromSeconds(FadeOutTime)));
fadeOutAnimation.Completed += new EventHandler(fadeOutAnimation_Completed);
fadeOutAnimation.Freeze();
adorner.BeginAnimation(FrameworkElement.OpacityProperty, fadeOutAnimation);
adornerShowState = AdornerShowState.FadingOut;
}
/// <summary>
/// Event raised when the fade in animation has completed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void OnFadeInAnimationCompleted(object sender, EventArgs e)
{
this.adornerShowState = AdornerShowState.Visible;
}
/// <summary>
/// Remove the _adorner from the _adorner layer and let it be garbage collected.
/// </summary>
private void RemoveAdorner()
{
//
// Stop the timer that might be about to fade out the _adorner.
//
closeAdornerTimer.Stop();
if (this._adornerLayer != null && this._adorner != null)
{
this._adornerLayer.Remove(this._adorner);
this._adorner.DisconnectChild();
}
this._adorner = null;
this._adornerLayer = null;
//
// Ensure that the state of the adorned control reflects that
// the the _adorner is no longer.
//
this.IsAdornerVisible = false;
this._adornerShowState = AdornerShowState.Hidden;
}
/// <summary>
/// Hide the adorner.
/// </summary>
public void HideAdorner()
{
IsAdornerVisible = false;
closeAdornerTimer.Stop();
adornerShowState = AdornerShowState.Hidden;
}
/// <summary>
/// Show the adorner.
/// </summary>
public void ShowAdorner()
{
IsAdornerVisible = true;
adornerShowState = AdornerShowState.Visible;
if (IsMouseOverShowEnabled && !IsMouseOver)
{
closeAdornerTimer.Start();
}
}
/// <summary>
/// Event raised when the fade in animation has completed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void OnFadeInAnimationCompleted(object sender, EventArgs e)
{
this.adornerShowState = AdornerShowState.Visible;
}
/// <summary>
/// Event raised when the fade in animation has completed.
/// </summary>
private void fadeInAnimation_Completed(object sender, EventArgs e)
{
adornerShowState = AdornerShowState.Visible;
}
/// <summary>
/// Show the _adorner.
/// </summary>
public void ShowAdorner()
{
IsAdornerVisible = true;
_adornerShowState = AdornerShowState.Visible;
if (IsMouseOverShowEnabled
&& !IsMouseOver
&& IsAlwaysVisible == false)
{
closeAdornerTimer.Start();
}
}
/// <summary>
/// Event raised when the fade in animation has completed.
/// </summary>
private void fadeInAnimation_Completed(object sender, EventArgs e)
{
if (_adornerShowState == AdornerShowState.FadingIn)
{
// Still fading in, eg it wasn't aborted.
_adornerShowState = AdornerShowState.Visible;
}
}
/// <summary>
/// Shared mouse leave code.
/// </summary>
private void MouseLeaveLogic()
{
if (!IsMouseOverShowEnabled)
{
return;
}
if (Math.Abs(CloseAdornerTimeOut) < 0.001)
{
HideAdorner();
adornerShowState=AdornerShowState.Hidden;
}
else
closeAdornerTimer.Start();
}
