public static double RenderYKeyLineBottom(this StageVmStyle stageVmStyle, int keyDex, double stageRenderHeight)
{
var vmHeight = stageVmStyle.SortableVmStyle.VPadding +
(stageVmStyle.SortableVmStyle.Order - keyDex) * stageVmStyle.SortableVmStyle.KeyHeight +
stageVmStyle.KeyLineThickness / 2;
return(RenderUtils.ChildRenderHeight(parentVmHeight: stageVmStyle.SortableVmStyle.StageVmHeight(),
childVmHeight: vmHeight,
parentRenderHeight: stageRenderHeight));
}
public static Point GetSortableItemPosition(this SortableItemVm sortableItemVm,
SortableVmStyle sortableVmStyle,
double stageRenderWidth,
double stageRenderHeight)
{
if ((stageRenderHeight <= 0) || (stageRenderHeight <= 0))
{
return(new Point(0, 0));
}
if (sortableItemVm.StagePos == StagePos.Missing)
{
return(new Point(0, 0));
}
var renderY = sortableVmStyle.RenderYKeyLineCenter(sortableItemVm.KeyLinePos, stageRenderHeight);
var radius =
RenderUtils.ChildRenderHeight(
parentVmHeight: sortableVmStyle.StageVmHeight(),
childVmHeight: sortableVmStyle.Radius,
parentRenderHeight: stageRenderHeight);
var renderX = 0.0;
switch (sortableItemVm.StagePos)
{
case StagePos.Left:
renderX = radius * -1.2;
break;
case StagePos.Center:
renderX = sortableVmStyle
.RenderXMidStageSection(
sortableItemVm.StageSection, stageRenderWidth);
break;
case StagePos.Right:
renderX = stageRenderWidth - radius * 1.2;
break;
default:
break;
}
return(new Point(renderX, renderY));
}
public static void DrawSortableValue(this DrawingContext dc,
SortableVmStyle sortableVmStyle,
SortableItemVm sortableItemVm,
double stageRenderWidth,
double stageRenderHeight)
{
if ((stageRenderHeight <= 0) || (stageRenderHeight <= 0))
{
return;
}
if (sortableItemVm.StagePos == StagePos.Missing)
{
return;
}
var radius = RenderUtils.ChildRenderHeight(
parentVmHeight: sortableVmStyle.StageVmHeight(),
childVmHeight: sortableVmStyle.Radius,
parentRenderHeight: stageRenderHeight);
var sortableItemPosition = sortableItemVm.GetSortableItemPosition(
sortableVmStyle: sortableVmStyle,
stageRenderWidth: stageRenderWidth,
stageRenderHeight: stageRenderHeight);
dc.DrawEllipse(sortableItemVm.BackgroundBrush, SortableBorderPen, sortableItemPosition, radius, radius);
if (sortableItemVm.ShowLabel)
{
var txt = new FormattedText(sortableItemVm.Label.ToString(),
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
SortableItemVm.Typeface,
radius, sortableItemVm.ForegroundBrush, 1.0);
var textUpLeft = new Point(
x: sortableItemPosition.X - txt.Width / 2,
y: sortableItemPosition.Y - txt.Height / 2);
dc.DrawText(txt, textUpLeft);
}
}
public static void DrawSortableValueAnimate(
this DrawingContext dc,
double animationPct,
SortableVmStyle sortableVmStyle,
SortableItemVm sortableItemVmOld,
SortableItemVm sortableItemVm,
double stageRenderWidth,
double stageRenderHeight)
{
if ((stageRenderHeight <= 0) || (stageRenderHeight <= 0))
{
return;
}
if (sortableItemVm.StagePos == StagePos.Missing)
{
return;
}
var radius =
RenderUtils.ChildRenderHeight(parentVmHeight: sortableVmStyle.StageVmHeight(),
childVmHeight: sortableVmStyle.Radius,
parentRenderHeight: stageRenderHeight);
var centerO = sortableItemVmOld.GetSortableItemPosition(sortableVmStyle, stageRenderWidth, stageRenderHeight);
var centerN = sortableItemVm.GetSortableItemPosition(sortableVmStyle, stageRenderWidth, stageRenderHeight);
var center = centerO.Interpolate(centerN, animationPct);
dc.DrawEllipse(sortableItemVm.BackgroundBrush, null, center, radius, radius);
if (sortableItemVm.ShowLabel)
{
var txt = new FormattedText(sortableItemVm.Label.ToString(),
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
SortableItemVm.Typeface,
radius, sortableItemVm.ForegroundBrush, 1.0);
var upLeft = new Point(center.X - txt.Width / 2, center.Y - txt.Height / 2);
dc.DrawText(txt, upLeft);
}
}
