internal void UpdateStateButtonState(RadialSegment segment)
{
if (this.currentHoveredItem != null && this.currentHoveredItem == segment)
{
return;
}
if (this.currentHoveredItem != null)
{
var visual = this.currentHoveredItem.Visual as DecorationItemButton;
if (visual != null)
{
visual.IsPointerOver = false;
}
}
if (segment != null)
{
this.currentHoveredItem = this.owner.model.GetDecorationSegment(segment.TargetItem);
var visual = this.currentHoveredItem.Visual as DecorationItemButton;
if (visual != null)
{
visual.IsPointerOver = true;
}
}
}
internal void ShowToolTip(RadialSegment itemControlSegment)
{
var menuItemControl = itemControlSegment.Visual as RadialMenuItemControl;
if (this.Owner.ShowToolTip && !this.Owner.tooltip.IsOpen)
{
if (this.IsToolTipContentApplied(menuItemControl.Header, itemControlSegment.TargetItem.ToolTipContent))
{
this.Owner.tooltip.IsOpen = true;
}
this.delayTimer.Stop();
}
}
private static PathGeometry GetNavigationButtonArc(RadialSegment segmentModel)
{
var layoutSlot = segmentModel.LayoutSlot;
var centerPoint = new RadPoint(layoutSlot.OuterRadius, layoutSlot.OuterRadius);
PathFigure figure = new PathFigure();
figure.IsClosed = true;
figure.IsFilled = true;
RadPoint startPoint = GetArcPoint(layoutSlot.StartAngle, centerPoint, layoutSlot.OuterRadius);
figure.StartPoint = new Point(startPoint.X, startPoint.Y);
ArcSegment firstArc = new ArcSegment();
firstArc.Size = new Size(layoutSlot.OuterRadius, layoutSlot.OuterRadius);
firstArc.IsLargeArc = layoutSlot.SweepAngle > 180;
firstArc.SweepDirection = SweepDirection.Counterclockwise;
var firstArcPoint = GetArcPoint(layoutSlot.StartAngle + layoutSlot.SweepAngle, centerPoint, layoutSlot.OuterRadius);
firstArc.Point = new Point(firstArcPoint.X, firstArcPoint.Y);
figure.Segments.Add(firstArc);
LineSegment firstLine = new LineSegment();
var firstLinePoint = GetArcPoint(layoutSlot.StartAngle + layoutSlot.SweepAngle, centerPoint, layoutSlot.InnerRadius);
firstLine.Point = new Point(firstLinePoint.X, firstLinePoint.Y);
figure.Segments.Add(firstLine);
ArcSegment secondArc = new ArcSegment();
secondArc.Size = new Size(layoutSlot.InnerRadius, layoutSlot.InnerRadius);
secondArc.IsLargeArc = layoutSlot.SweepAngle > 180;
secondArc.SweepDirection = SweepDirection.Clockwise;
var secondArcPoint = GetArcPoint(layoutSlot.StartAngle, centerPoint, layoutSlot.InnerRadius);
secondArc.Point = new Point(secondArcPoint.X, secondArcPoint.Y);
figure.Segments.Add(secondArc);
PathGeometry geometry = new PathGeometry();
geometry.Figures.Add(figure);
return(geometry);
}
internal void UpdateMenuItemControlState(RadialSegment segment)
{
if (this.lastMenuItemControl != null && this.lastMenuItemControl == segment)
{
return;
}
if (this.lastMenuItemControl != null)
{
var lastMenuItem = this.lastMenuItemControl.Visual as RadialMenuItemControl;
if (lastMenuItem != null)
{
lastMenuItem.IsPointerOver = false;
this.owner.menuToolTipContent.HideToolTip();
this.lastMenuItemControl = null;
}
}
if (segment != null)
{
this.lastMenuItemControl = segment;
var lastMenuItem = this.lastMenuItemControl.Visual as RadialMenuItemControl;
if (lastMenuItem != null)
{
lastMenuItem.IsPointerOver = true;
if (this.lastMenuItemControl.TargetItem != null)
{
this.owner.menuToolTipContent.ShowToolTip(this.lastMenuItemControl);
}
}
}
}
internal virtual void UpdateItem(RadialSegment menuItem)
{
menuItem.LayoutSlot = this.Layout.GetLayoutSlotAtPosition(this, menuItem);
this.layer.UpdateVisual(menuItem, this.Layout.StartAngle);
}
protected virtual void PrepareItem(RadialSegment menuItem)
{
menuItem.LayoutSlot = this.Layout.GetLayoutSlotAtPosition(this, menuItem);
this.layer.ShowVisual(menuItem, this.Layout.StartAngle);
}
internal virtual void ClearItem(RadialSegment menuItem)
{
this.layer.ClearVisual(menuItem);
}
public override RadialLayoutSlot GetLayoutSlotAtPosition(RingModelBase model, RadialSegment segment)
{
if (segment.TargetItem.Index >= 8)
{
return(RadialLayoutSlot.Invalid);
}
return(new RadialLayoutSlot
{
InnerRadius = model.InnerRadius,
OuterRadius = model.OuterRadius,
StartAngle = (this.StartAngle + this.SegmentAngleLength * segment.TargetItem.Index) % 360,
SweepAngle = this.SegmentAngleLength
});
}
internal void UpdateItemHoverState(RadialSegment segment)
{
this.UpdateStateButtonState(segment);
this.UpdateMenuItemControlState(segment);
}
public abstract RadialLayoutSlot GetLayoutSlotAtPosition(RingModelBase model, RadialSegment segment);
