internal virtual IAbcVisual CreateVisual(Type abcVisualType)
{
Func <IAbcVisual> creator = visualCreator[abcVisualType];
IAbcVisual visual = creator();
return(visual);
}
protected virtual void OnVisualParentChanged(IAbcVisual oldVisualParent)
{
//// TODO: Consider changing this behavior - right now an element adds itself to a parent, but perhaps
//// an element should only add its children. In essence this code could be moved inside the visuals container.
this.RemoveFromParent(oldVisualParent);
this.AddToParent();
}
private void Children_ItemAdded(object sender, ObservableItemCollectionChangedEventArgs <IAbcVisual> args)
{
args.Item.VisualParent = this;
IAbcVisual abcVisual = this;
if (abcVisual.VisualTree != null)
{
args.Item.VisualTree = abcVisual.VisualTree;
}
}
private void RemoveFromParent(IAbcVisual oldVisualParent)
{
if (oldVisualParent == null)
{
return;
}
WpfVisual wpfVisualParent = (WpfVisual)oldVisualParent;
Panel parentPanel = (Panel)wpfVisualParent.uiElement;
parentPanel.Children.Remove(this.uiElement);
}
private void RemoveFromParent(IAbcVisual oldVisualParent)
{
if (oldVisualParent == null)
{
return;
}
var androidVisualParent = (AndroidVisual)oldVisualParent;
var parentPanel = (ViewGroup)androidVisualParent.view;
parentPanel.RemoveView(this.view);
}
internal override void PaintOverride(AbcArrangeContext context)
{
base.PaintOverride(context);
IAbcVisual abcVisual = this;
AbcRect arrangeSlot = abcVisual.ArrangeSlot;
object drawingContextObject;
context.Bag.TryGetBagObject(WpfRenderingVisualTree.DrawingContextIdentifier, out drawingContextObject);
DrawingContext drawingContext = (DrawingContext)drawingContextObject;
drawingContext.DrawRectangle(Brushes.Black, null, new Rect(arrangeSlot.x, arrangeSlot.y, arrangeSlot.size.width, arrangeSlot.size.height));
}
void IAbcVisual.Measure(AbcMeasureContext context)
{
IAbcVisual abcVisual = this;
if (!abcVisual.IsVisible)
{
return;
}
this.isMeasurePhase = true;
this.MeasureOverride(context);
this.isMeasurePhase = false;
this.isMeasureValid = true;
}
private void PropagateUpInvalidationRequest(InvalidationRequestFlag flag)
{
if (this.visualParent != null)
{
this.visualParent.InvalidationRequestFromChild(flag, this);
}
else
{
IAbcVisual abcVisual = this;
AbcContextualPropertyValue controlPropertyValue = abcVisual.GetContextualPropertyValue(AbcControlContextualProperties.ControlPropertyKey);
IAbcControl control = (IAbcControl)(controlPropertyValue != null ? ((AbcContextualPropertyValue.AbcObject)controlPropertyValue).value : null);
control?.RaiseInvalidationRequest(flag);
}
}
private void AddToParent()
{
IAbcVisual abcVisual = this;
IAbcVisual abcVisualParent = abcVisual.VisualParent;
if (abcVisualParent == null)
{
return;
}
WpfVisual wpfVisualParent = (WpfVisual)abcVisualParent;
Panel parentPanel = (Panel)wpfVisualParent.uiElement;
parentPanel.Children.Add(this.uiElement);
}
private void AddToParent()
{
IAbcVisual abcVisual = this;
IAbcVisual abcVisualParent = abcVisual.VisualParent;
if (abcVisualParent == null)
{
return;
}
var androidVisualParent = (AndroidVisual)abcVisualParent;
var parentPanel = (ViewGroup)androidVisualParent.view;
parentPanel.AddView(this.view);
}
private void RemoveFromParent(IAbcVisual oldVisualParent)
{
if (this.control == null)
{
return;
}
if (oldVisualParent == null)
{
return;
}
WFVisual wfVisualParent = (WFVisual)oldVisualParent;
Panel panel = (Panel)wfVisualParent.control;
panel.Controls.Remove(this.control);
}
void IAbcVisual.Paint(AbcArrangeContext context)
{
if (!this.isVisible)
{
return;
}
if (!this.isArrangeValid)
{
IAbcVisual abcVisual = this;
abcVisual.Arrange(context);
}
this.isPaintPhase = true;
this.PaintOverride(context);
this.isPaintPhase = false;
}
private void AddToParent()
{
if (this.control == null)
{
return;
}
IAbcVisual abcVisual = this;
IAbcVisual abcVisualParent = abcVisual.VisualParent;
if (abcVisualParent == null)
{
return;
}
WFVisual wfVisualParent = (WFVisual)abcVisualParent;
Panel panel = (Panel)wfVisualParent.control;
panel.Controls.Add(this.control);
}
void IAbcVisual.Arrange(AbcArrangeContext context)
{
if (!this.isVisible)
{
return;
}
if (!this.isMeasureValid)
{
IAbcVisual abcVisual = this;
abcVisual.Measure(new AbcMeasureContext(context.arrangeSlot.size, context));
}
this.isArrangePhase = true;
this.arrangeSlot = context.arrangeSlot;
this.ArrangeOverride(context);
context.arrangeSlot = this.arrangeSlot;
this.isArrangePhase = false;
this.isArrangeValid = true;
}
internal override void PaintOverride(AbcArrangeContext context)
{
base.PaintOverride(context);
if (!this.TryEnsureFormattedText())
{
return;
}
IAbcVisual abcVisual = this;
AbcRect arrangeSlot = abcVisual.ArrangeSlot;
object drawingContextObject;
context.Bag.TryGetBagObject(WpfRenderingVisualTree.DrawingContextIdentifier, out drawingContextObject);
DrawingContext drawingContext = (DrawingContext)drawingContextObject;
Point position = new Point(arrangeSlot.x, arrangeSlot.y);
drawingContext.DrawText(this.nativeFormattedText, position);
}
void IAbcVisual.InvalidationRequestFromChild(InvalidationRequestFlag flag, IAbcVisual child)
{
switch (flag)
{
case InvalidationRequestFlag.None:
break;
case InvalidationRequestFlag.Measure:
this.InvalidateMeasure();
break;
case InvalidationRequestFlag.Arrange:
this.InvalidateArrange();
break;
case InvalidationRequestFlag.Paint:
this.InvalidatePaint();
break;
default:
break;
}
}
protected void SetRoot(IAbcVisual newRoot)
{
this.root = newRoot;
}
protected virtual void OnVisualParentChanged(IAbcVisual oldVisualParent)
{
this.RemoveFromParent(oldVisualParent);
this.AddToParent();
}
protected virtual void OnVisualParentChanged(IAbcVisual oldVisualParent)
{
}