void OnVisualStateChanged(object sender, OverlayInfoState e)
{
if (_overlayInfo != null && HighlightEnabled)
{
VisualizeHighlight(_overlayInfo.IsSelected);
}
}
public override bool?ShouldApply(IOverlayInfo overlayInfo, Size?overlaySize, OverlayInfoState state, OverlayEffectConfiguration config, bool presenterSelected)
{
_presenterSelected = presenterSelected;
_toolTipMode = (config as ToolTipEffect)?.ToolTipMode ?? ToolTipMode.Standard;
return(state == OverlayInfoState.Selected && (presenterSelected || _toolTipMode == ToolTipMode.Extended));
}
public void UpdateEffects(IOverlayInfo overlayInfo, Size?overlaySize, OverlayInfoState state, bool presenterSelected, IList <OverlayEffectConfiguration> effects)
{
foreach (var effect in effects)
{
if (_effects.ContainsKey(effect.GetType()))
{
//get processor
var processor = _effects[effect.GetType()];
//determine if it should run
var shouldApply = processor.ShouldApply(overlayInfo, overlaySize, state, effect, presenterSelected);
if (shouldApply != null)
{
if (shouldApply.Value)
{
//apply effect
processor.ApplyEffect(overlayInfo, overlaySize, effect);
}
else
{
//remove effect
processor.RemoveEffect(overlayInfo, overlaySize, effect);
}
}
}
}
}
public override bool?ShouldApply(IOverlayInfo overlayInfo, Size?overlaySize, OverlayInfoState state, OverlayEffectConfiguration config, bool presenterSelected)
{
//only works when not selected from the image
if (!presenterSelected)
{
return(state == OverlayInfoState.Selected);
}
return(null);
}
void OnVisualStateChanged(object sender, OverlayInfoState e)
{
//update effects
if (_presenter == null)
{
_presenter = OverlayItemsControl.GetParent <OverlayPresenter>(this);
}
if (_presenter != null)
{
_presenter.OverlayVisualStateChanged(this, e, Effects);
}
}
public void OverlayVisualStateChanged(OverlayControl overlayControl, OverlayInfoState state, IList <OverlayEffectConfiguration> effects)
{
//validate
var overlayInfo = overlayControl?.OverlayInfo;
if (overlayInfo == null || effects == null || effects.Count == 0)
{
return;
}
//update effects
_effectManager.UpdateEffects(overlayInfo, overlayInfo.OverlaySize ?? overlayControl.DefaultOverlaySize, state, _hasPresenterSelected, effects);
}
public abstract bool?ShouldApply(IOverlayInfo overlayInfo, Size?overlaySize, OverlayInfoState state, OverlayEffectConfiguration config, bool presenterSelected);
void OnVisualStateChanged(object sender, OverlayInfoState e)
{
//set the visual state
VisualStateManager.GoToState(this, e.ToString(), true);
}
