///
override protected bool IsOffscreenCore()
{
IsOffscreenBehavior behavior = AutomationProperties.GetIsOffscreenBehavior(_owner);
switch (behavior)
{
case IsOffscreenBehavior.Onscreen:
return(false);
case IsOffscreenBehavior.Offscreen:
return(true);
case IsOffscreenBehavior.FromClip:
{
bool isOffscreen = !_owner.IsVisible;
if (!isOffscreen)
{
UIElement containingUIElement = GetContainingUIElement(_owner);
if (containingUIElement != null)
{
Rect boundingRect = UIElementAutomationPeer.CalculateVisibleBoundingRect(containingUIElement);
isOffscreen = (DoubleUtil.AreClose(boundingRect, Rect.Empty) ||
DoubleUtil.AreClose(boundingRect.Height, 0) ||
DoubleUtil.AreClose(boundingRect.Width, 0));
}
}
return(isOffscreen);
}
default:
return(!_owner.IsVisible);
}
}
// Verifies scrolling data using the passed viewport and extent as newly computed values.
// Checks the X/Y offset and coerces them into the range [0, Extent - ViewportSize]
// If extent, viewport, or the newly coerced offsets are different than the existing offset,
// cachces are updated and InvalidateScrollInfo() is called.
private void VerifyScrollData(double viewportWidth, double extentWidth)
{
var isValid = true;
if (double.IsInfinity(viewportWidth))
{
viewportWidth = extentWidth;
}
var offsetX = CoerceOffset(this.ScrollData.OffsetX, extentWidth, viewportWidth);
isValid &= DoubleUtil.AreClose(viewportWidth, this.ScrollData.ViewportWidth);
isValid &= DoubleUtil.AreClose(extentWidth, this.ScrollData.ExtentWidth);
isValid &= DoubleUtil.AreClose(this.ScrollData.OffsetX, offsetX);
this.ScrollData.ViewportWidth = viewportWidth;
this.ScrollData.ExtentWidth = extentWidth;
this.ScrollData.OffsetX = offsetX;
if (isValid == false)
{
this.ScrollOwner?.InvalidateScrollInfo();
}
}
internal override bool AreClose(Geometry geometry)
{
RectangleGeometry rectGeometry2 = geometry as RectangleGeometry;
if (rectGeometry2 != null)
{
RectangleGeometry rectGeometry1 = this;
Rect rect1 = rectGeometry1.Rect;
Rect rect2 = rectGeometry2.Rect;
return(
DoubleUtil.AreClose(rect1.X, rect2.X) &&
DoubleUtil.AreClose(rect1.Y, rect2.Y) &&
DoubleUtil.AreClose(rect1.Width, rect2.Width) &&
DoubleUtil.AreClose(rect1.Height, rect2.Height) &&
DoubleUtil.AreClose(rectGeometry1.RadiusX, rectGeometry2.RadiusX) &&
DoubleUtil.AreClose(rectGeometry1.RadiusY, rectGeometry2.RadiusY) &&
(rectGeometry1.Transform == rectGeometry2.Transform) &&
(rectGeometry1.IsFrozen == rectGeometry2.IsFrozen)
);
}
return(base.AreClose(geometry));
}
// Parse a GridLength from a string given the CultureInfo.
static internal void FromString(
string s,
CultureInfo cultureInfo,
out double value,
out GridUnitType unit)
{
string goodString = s.Trim().ToLowerInvariant();
value = 0.0;
unit = GridUnitType.Pixel;
int i;
int strLen = goodString.Length;
int strLenUnit = 0;
double unitFactor = 1.0;
// this is where we would handle trailing whitespace on the input string.
// peel [unit] off the end of the string
i = 0;
if (goodString == UnitStrings[i])
{
strLenUnit = UnitStrings[i].Length;
unit = (GridUnitType)i;
}
else
{
for (i = 1; i < UnitStrings.Length; ++i)
{
// Note: this is NOT a culture specific comparison.
// this is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(UnitStrings[i], StringComparison.Ordinal))
{
strLenUnit = UnitStrings[i].Length;
unit = (GridUnitType)i;
break;
}
}
}
// we couldn't match a real unit from GridUnitTypes.
// try again with a converter-only unit (a pixel equivalent).
if (i >= UnitStrings.Length)
{
for (i = 0; i < PixelUnitStrings.Length; ++i)
{
// Note: this is NOT a culture specific comparison.
// this is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(PixelUnitStrings[i], StringComparison.Ordinal))
{
strLenUnit = PixelUnitStrings[i].Length;
unitFactor = PixelUnitFactors[i];
break;
}
}
}
// this is where we would handle leading whitespace on the input string.
// this is also where we would handle whitespace between [value] and [unit].
// check if we don't have a [value]. This is acceptable for certain UnitTypes.
if (strLen == strLenUnit &&
(unit == GridUnitType.Auto ||
unit == GridUnitType.Star))
{
value = 1;
}
// we have a value to parse.
else
{
Debug.Assert(unit == GridUnitType.Pixel ||
DoubleUtil.AreClose(unitFactor, 1.0));
string valueString = goodString.Substring(0, strLen - strLenUnit);
value = Convert.ToDouble(valueString, cultureInfo) * unitFactor;
}
}
protected override bool CanRender(RenderContext2D context)
{
return(base.CanRender(context) && !DoubleUtil.AreClose(StartAngle, EndAngle));
}
/// <summary>TBS</summary>
private bool Contains(Point point)
{
if (false == _boundingBox.Contains(point))
{
return(false);
}
bool isHigher = false;
int last = _lasso.Count;
while (--last >= 0)
{
if (false == DoubleUtil.AreClose(_lasso[last].Y, point.Y))
{
isHigher = point.Y < _lasso[last].Y;
break;
}
}
bool isInside = false, isOnClosingSegment = false;
Point prevLassoPoint = _lasso[_lasso.Count - 1];
for (int i = 0; i < _lasso.Count; i++)
{
Point lassoPoint = _lasso[i];
if (DoubleUtil.AreClose(lassoPoint.Y, point.Y))
{
if (DoubleUtil.AreClose(lassoPoint.X, point.X))
{
isInside = true;
break;
}
if ((0 != i) && DoubleUtil.AreClose(prevLassoPoint.Y, point.Y) &&
DoubleUtil.GreaterThanOrClose(point.X, Math.Min(prevLassoPoint.X, lassoPoint.X)) &&
DoubleUtil.LessThanOrClose(point.X, Math.Max(prevLassoPoint.X, lassoPoint.X)))
{
isInside = true;
break;
}
}
else if (isHigher != (point.Y < lassoPoint.Y))
{
isHigher = !isHigher;
if (DoubleUtil.GreaterThanOrClose(point.X, Math.Max(prevLassoPoint.X, lassoPoint.X)))
{
// there certainly is an intersection on the left
isInside = !isInside;
// The closing segment is the only exclusive one. Special case it.
if ((0 == i) && DoubleUtil.AreClose(point.X, Math.Max(prevLassoPoint.X, lassoPoint.X)))
{
isOnClosingSegment = true;
}
}
else if (DoubleUtil.GreaterThanOrClose(point.X, Math.Min(prevLassoPoint.X, lassoPoint.X)))
{
// The X of the point lies within the x ranges for the segment.
// Calculate the x value of the point where the segment intersects with the line.
Vector lassoSegment = lassoPoint - prevLassoPoint;
double x = prevLassoPoint.X + (lassoSegment.X / lassoSegment.Y) * (point.Y - prevLassoPoint.Y);
if (DoubleUtil.GreaterThanOrClose(point.X, x))
{
isInside = !isInside;
if ((0 == i) && DoubleUtil.AreClose(point.X, x))
{
isOnClosingSegment = true;
}
}
}
}
prevLassoPoint = lassoPoint;
}
return(isInside ? !isOnClosingSegment : false);
}
/// <inheritdoc />
protected override Size MeasureOverride(Size availableSize)
{
var allGroupsWidth = 0D;
this.sizes.Clear();
var availableSizeHeight = availableSize.Height;
if (double.IsPositiveInfinity(availableSizeHeight))
{
availableSizeHeight = 0;
}
foreach (RibbonContextualTabGroup contextualGroup in this.InternalChildren)
{
// Calculate width of tab items of the group
var tabsWidth = 0D;
// We have to look at visible and items which already got measured only
var visibleItems = contextualGroup.Items.Where(item => item.Visibility == Visibility.Visible && DoubleUtil.AreClose(item.DesiredSize.Width, 0) == false).ToList();
foreach (var item in visibleItems)
{
tabsWidth += item.DesiredSize.Width;
}
contextualGroup.Measure(SizeConstants.Infinite);
var groupWidth = contextualGroup.DesiredSize.Width;
var tabWasChanged = false;
if (groupWidth > tabsWidth)
{
// If tab's width is less than group's width we have to stretch tabs
var delta = (groupWidth - tabsWidth) / visibleItems.Count;
foreach (var item in visibleItems)
{
var newDesiredWidth = item.DesiredSize.Width + delta;
// Update cached DesiredWidth
if (DoubleUtil.AreClose(newDesiredWidth, item.DesiredWidth) == false)
{
item.DesiredWidth = newDesiredWidth;
item.Measure(new Size(item.DesiredWidth, item.DesiredSize.Height));
tabWasChanged = true;
}
}
}
if (tabWasChanged)
{
// If we have changed tabs layout we have
// to invalidate down to RibbonTabsContainer
var visual = visibleItems[0] as Visual;
while (visual != null)
{
if (visual is UIElement uiElement)
{
if (uiElement is RibbonTabsContainer)
{
uiElement.InvalidateMeasure();
break;
}
uiElement.InvalidateMeasure();
}
visual = VisualTreeHelper.GetParent(visual) as Visual;
}
tabsWidth = 0;
foreach (var item in visibleItems)
{
tabsWidth += item.DesiredSize.Width;
}
}
// Calc final width and measure the group using it
var finalWidth = tabsWidth;
allGroupsWidth += finalWidth;
if (allGroupsWidth > availableSize.Width)
{
finalWidth -= allGroupsWidth - availableSize.Width;
allGroupsWidth = availableSize.Width;
}
contextualGroup.Measure(new Size(Math.Max(0, finalWidth), availableSizeHeight));
this.sizes.Add(new Size(Math.Max(0, finalWidth), availableSizeHeight));
}
return(new Size(allGroupsWidth, availableSizeHeight));
}
/// <summary>
/// operator ==
/// </summary>
/// <param name="sfiLeft"></param>
/// <param name="sfiRight"></param>
/// <returns></returns>
public static bool operator ==(StrokeFIndices sfiLeft, StrokeFIndices sfiRight)
{
return(DoubleUtil.AreClose(sfiLeft._beginFIndex, sfiRight._beginFIndex) &&
DoubleUtil.AreClose(sfiLeft._endFIndex, sfiRight._endFIndex));
}
/// <summary>
/// Content measurement.
/// </summary>
/// <param name="availableSize">Available size that parent can give to the child. This is soft constraint.</param>
/// <returns>The DocumentPageView's desired size.</returns>
protected override sealed Size MeasureOverride(Size availableSize)
{
Size newPageSize, pageZoom;
Size pageSize;
Size desiredSize = new Size(); // If no page is available, return (0,0) as size.
CheckDisposed();
if (_suspendLayout)
{
desiredSize = this.DesiredSize;
}
else if (_documentPaginator != null)
{
// Reflow content if needed.
if (ShouldReflowContent())
{
// Reflow is disabled when dealing with infinite size in both directions.
// If only one dimention is infinte, calculate value based on PageSize of the
// document and Stretching properties.
if (!Double.IsInfinity(availableSize.Width) || !Double.IsInfinity(availableSize.Height))
{
pageSize = _documentPaginator.PageSize;
if (Double.IsInfinity(availableSize.Width))
{
newPageSize = new Size();
newPageSize.Height = availableSize.Height / _pageZoom;
newPageSize.Width = newPageSize.Height * (pageSize.Width / pageSize.Height); // Keep aspect ratio.
}
else if (Double.IsInfinity(availableSize.Height))
{
newPageSize = new Size();
newPageSize.Width = availableSize.Width / _pageZoom;
newPageSize.Height = newPageSize.Width * (pageSize.Height / pageSize.Width); // Keep aspect ratio.
}
else
{
newPageSize = new Size(availableSize.Width / _pageZoom, availableSize.Height / _pageZoom);
}
if (!DoubleUtil.AreClose(pageSize, newPageSize))
{
_documentPaginator.PageSize = newPageSize;
}
}
}
// If the main page or pending async page are not available yet,
// asynchronously request new page from Paginator.
if (_documentPage == null && _documentPageAsync == null)
{
if (PageNumber >= 0)
{
if (_useAsynchronous)
{
_documentPaginator.GetPageAsync(PageNumber, this);
}
else
{
_documentPageAsync = _documentPaginator.GetPage(PageNumber);
if (_documentPageAsync == null)
{
_documentPageAsync = DocumentPage.Missing;
}
}
}
else
{
_documentPage = DocumentPage.Missing;
}
}
// If pending async page is available, discard the main page and
// set _documentPage to _documentPageAsync.
if (_documentPageAsync != null)
{
// Do cleanup for currently used page, because it gets replaced.
DisposeCurrentPage();
// DisposeCurrentPage raises PageDisposed and DocumentPage.PageDestroyed events.
// Handlers for those events may dispose _documentPageAsync. Treat this situation
// as missing page.
if (_documentPageAsync == null)
{
_documentPageAsync = DocumentPage.Missing;
}
if (_pageVisualClone != null)
{
RemoveDuplicateVisual();
}
// Replace the main page with cached async page.
_documentPage = _documentPageAsync;
if (_documentPage != DocumentPage.Missing)
{
_documentPage.PageDestroyed += new EventHandler(HandlePageDestroyed);
_documentPageAsync.PageDestroyed -= new EventHandler(HandleAsyncPageDestroyed);
}
_documentPageAsync = null;
// Set a flag that will indicate that a PageConnected must be fired in
// ArrangeOverride
_newPageConnected = true;
}
// If page is available, return its size as desired size.
if (_documentPage != null && _documentPage != DocumentPage.Missing)
{
pageSize = new Size(_documentPage.Size.Width * _pageZoom, _documentPage.Size.Height * _pageZoom);
pageZoom = Viewbox.ComputeScaleFactor(availableSize, pageSize, this.Stretch, this.StretchDirection);
desiredSize = new Size(pageSize.Width * pageZoom.Width, pageSize.Height * pageZoom.Height);
}
if (_pageVisualClone != null)
{
desiredSize = _visualCloneSize;
}
}
return(desiredSize);
}
/// <summary>
/// Clip-Testing a circluar inking segment against a linear segment.
/// See http://tabletpc/longhorn/Specs/Rendering%20and%20Hit-Testing%20Ink%20in%20Avalon%20M11.doc section
/// 5.4.4.14 Clip-Testing a Circular Inking Segment against a Linear Segment for details of the algorithm
/// </summary>
/// <param name="spineVector">Represent the spine of the inking segment pointing from the beginNode to endNode</param>
/// <param name="beginRadius">Radius of the beginNode</param>
/// <param name="endRadius">Radius of the endNode</param>
/// <param name="hitBegin">Hitting segment start point</param>
/// <param name="hitEnd">Hitting segment end point</param>
/// <returns>A double which represents the location for cutting</returns>
private static double ClipTest(Vector spineVector, double beginRadius, double endRadius, Vector hitBegin, Vector hitEnd)
{
// First handle the special case when the spineVector is (0,0). In other words, this is the case
// when the stylus stays at the the location but pressure changes.
if (DoubleUtil.IsZero(spineVector.X) && DoubleUtil.IsZero(spineVector.Y))
{
System.Diagnostics.Debug.Assert(DoubleUtil.AreClose(beginRadius, endRadius) == false);
Vector nearest = GetNearest(hitBegin, hitEnd);
double radius;
if (nearest.X == 0)
{
radius = Math.Abs(nearest.Y);
}
else if (nearest.Y == 0)
{
radius = Math.Abs(nearest.X);
}
else
{
radius = nearest.Length;
}
return(AdjustFIndex((radius - beginRadius) / (endRadius - beginRadius)));
}
// This change to ClipTest with a point if the two hitting segment are close enough.
if (DoubleUtil.AreClose(hitBegin, hitEnd))
{
return(ClipTest(spineVector, beginRadius, endRadius, hitBegin));
}
double findex;
Vector hitVector = hitEnd - hitBegin;
if (DoubleUtil.IsZero(Vector.Determinant(spineVector, hitVector)))
{
// hitVector and spineVector are parallel
findex = ClipTest(spineVector, beginRadius, endRadius, GetNearest(hitBegin, hitEnd));
System.Diagnostics.Debug.Assert(!double.IsNaN(findex));
}
else
{
// On the line defined by the segment find point P1Xp, the nearest to the beginNode.Position
double x = GetProjectionFIndex(hitBegin, hitEnd);
Vector P1Xp = hitBegin + (hitVector * x);
if (P1Xp.LengthSquared < (beginRadius * beginRadius))
{
System.Diagnostics.Debug.Assert(DoubleUtil.IsBetweenZeroAndOne(x) == false);
findex = ClipTest(spineVector, beginRadius, endRadius, (0 > x) ? hitBegin : hitEnd);
System.Diagnostics.Debug.Assert(!double.IsNaN(findex));
}
else
{
// Find the projection point P of endNode.Position to the line (beginNode.Position, B).
Vector P1P2p = spineVector + GetProjection(-spineVector, P1Xp - spineVector);
//System.Diagnostics.Debug.Assert(false == DoubleUtil.IsZero(P1P2p.LengthSquared));
//System.Diagnostics.Debug.Assert(false == DoubleUtil.IsZero(endRadius - beginRadius + P1P2p.Length));
// There checks are here since if either fail no real solution can be caculated and we may
// as well bail out now and save the caculations that are below.
if (DoubleUtil.IsZero(P1P2p.LengthSquared) || DoubleUtil.IsZero(endRadius - beginRadius + P1P2p.Length))
{
return(1d);
}
// Calculate the findex of the point to split the ink segment at.
findex = (P1Xp.Length - beginRadius) / (endRadius - beginRadius + P1P2p.Length);
System.Diagnostics.Debug.Assert(!double.IsNaN(findex));
// Find the projection of the split point to the line of this segment.
Vector S = spineVector * findex;
double r = GetProjectionFIndex(hitBegin - S, hitEnd - S);
// If the nearest point misses the segment, then find the findex
// of the node nearest to the segment.
if (false == DoubleUtil.IsBetweenZeroAndOne(r))
{
findex = ClipTest(spineVector, beginRadius, endRadius, (0 > r) ? hitBegin : hitEnd);
System.Diagnostics.Debug.Assert(!double.IsNaN(findex));
}
}
}
return(AdjustFIndex(findex));
}
/// <summary>
/// CutTest an inking StrokeNode segment (two nodes and a connecting quadrangle) against a hitting contour
/// (represented by an enumerator of Contoursegments).
/// </summary>
/// <param name="beginNode">The begin StrokeNodeData</param>
/// <param name="endNode">The end StrokeNodeData</param>
/// <param name="quad">Connecing quadrangle between the begin and end inking node</param>
/// <param name="hitContour">The hitting ContourSegments</param>
/// <returns>StrokeFIndices representing the location for cutting</returns>
internal override StrokeFIndices CutTest(
StrokeNodeData beginNode, StrokeNodeData endNode, Quad quad, IEnumerable <ContourSegment> hitContour)
{
// Compute the positions of the beginNode relative to the endNode.
Vector spineVector = beginNode.IsEmpty ? new Vector(0, 0) : (beginNode.Position - endNode.Position);
// If the node shape is an ellipse, transform the scene to turn the shape to a circle
if (_nodeShapeToCircle.IsIdentity == false)
{
spineVector = _nodeShapeToCircle.Transform(spineVector);
}
double beginRadius = 0, endRadius;
double beginRadiusSquared = 0, endRadiusSquared;
endRadius = _radius * endNode.PressureFactor;
endRadiusSquared = endRadius * endRadius;
if (beginNode.IsEmpty == false)
{
beginRadius = _radius * beginNode.PressureFactor;
beginRadiusSquared = beginRadius * beginRadius;
}
bool isInside = true;
StrokeFIndices result = StrokeFIndices.Empty;
foreach (ContourSegment hitSegment in hitContour)
{
if (hitSegment.IsArc)
{
// ISSUE-2004/06/15-vsmirnov - ellipse vs arc hit-testing is not implemented
// and currently disabled in ErasingStroke
}
else
{
Vector hitBegin = hitSegment.Begin - endNode.Position;
Vector hitEnd = hitBegin + hitSegment.Vector;
// If the node shape is an ellipse, transform the scene to turn
// the shape into circle.
if (_nodeShapeToCircle.IsIdentity == false)
{
hitBegin = _nodeShapeToCircle.Transform(hitBegin);
hitEnd = _nodeShapeToCircle.Transform(hitEnd);
}
bool isHit = false;
// Hit-test the end node
Vector nearest = GetNearest(hitBegin, hitEnd);
if (nearest.LengthSquared < endRadiusSquared)
{
isHit = true;
if (!DoubleUtil.AreClose(result.EndFIndex, StrokeFIndices.AfterLast))
{
result.EndFIndex = StrokeFIndices.AfterLast;
if (beginNode.IsEmpty)
{
result.BeginFIndex = StrokeFIndices.BeforeFirst;
break;
}
if (DoubleUtil.AreClose(result.BeginFIndex, StrokeFIndices.BeforeFirst))
{
break;
}
}
}
if ((beginNode.IsEmpty == false) && (!isHit || !DoubleUtil.AreClose(result.BeginFIndex, StrokeFIndices.BeforeFirst)))
{
// Hit-test the first node
nearest = GetNearest(hitBegin - spineVector, hitEnd - spineVector);
if (nearest.LengthSquared < beginRadiusSquared)
{
isHit = true;
if (!DoubleUtil.AreClose(result.BeginFIndex, StrokeFIndices.BeforeFirst))
{
result.BeginFIndex = StrokeFIndices.BeforeFirst;
if (DoubleUtil.AreClose(result.EndFIndex, StrokeFIndices.AfterLast))
{
break;
}
}
}
}
// If both nodes are hit or nothing is hit at all, return.
if (beginNode.IsEmpty || (!isHit && (quad.IsEmpty ||
(HitTestQuadSegment(quad, hitSegment.Begin, hitSegment.End) == false))))
{
if (isInside && (WhereIsVectorAboutVector(
endNode.Position - hitSegment.Begin, hitSegment.Vector) != HitResult.Right))
{
isInside = false;
}
continue;
}
isInside = false;
// NTRAID#Window OS bug-1029694-2004/10/18-xiaotu, refactor the code to make it a method
// to increase the maintainability of the program. FxCop bug.
// Calculate the exact locations to cut.
CalculateCutLocations(spineVector, hitBegin, hitEnd, endRadius, beginRadius, ref result);
if (result.IsFull)
{
break;
}
}
}
//
if (!result.IsFull)
{
if (isInside == true)
{
System.Diagnostics.Debug.Assert(result.IsEmpty);
result = StrokeFIndices.Full;
}
else if ((DoubleUtil.AreClose(result.EndFIndex, StrokeFIndices.BeforeFirst)) && (!DoubleUtil.AreClose(result.BeginFIndex, StrokeFIndices.AfterLast)))
{
result.EndFIndex = StrokeFIndices.AfterLast;
}
else if ((DoubleUtil.AreClose(result.BeginFIndex, StrokeFIndices.AfterLast)) && (!DoubleUtil.AreClose(result.EndFIndex, StrokeFIndices.BeforeFirst)))
{
result.BeginFIndex = StrokeFIndices.BeforeFirst;
}
}
if (IsInvalidCutTestResult(result))
{
return(StrokeFIndices.Empty);
}
return(result);
}
/// <summary>
/// Cut-test ink segment defined by two nodes and a connecting quad against a linear segment
/// </summary>
/// <param name="beginNode">Begin node of the ink segment</param>
/// <param name="endNode">End node of the ink segment</param>
/// <param name="quad">Pre-computed quadrangle connecting the two ink nodes</param>
/// <param name="hitBeginPoint">egin point of the hitting segment</param>
/// <param name="hitEndPoint">End point of the hitting segment</param>
/// <returns>Exact location to cut at represented by StrokeFIndices</returns>
internal override StrokeFIndices CutTest(
StrokeNodeData beginNode, StrokeNodeData endNode, Quad quad, Point hitBeginPoint, Point hitEndPoint)
{
// Compute the positions of the involved points relative to the endNode.
Vector spineVector = beginNode.IsEmpty ? new Vector(0, 0) : (beginNode.Position - endNode.Position);
Vector hitBegin = hitBeginPoint - endNode.Position;
Vector hitEnd = hitEndPoint - endNode.Position;
// If the node shape is an ellipse, transform the scene to turn the shape to a circle
if (_nodeShapeToCircle.IsIdentity == false)
{
spineVector = _nodeShapeToCircle.Transform(spineVector);
hitBegin = _nodeShapeToCircle.Transform(hitBegin);
hitEnd = _nodeShapeToCircle.Transform(hitEnd);
}
StrokeFIndices result = StrokeFIndices.Empty;
// Hit-test the end node
double beginRadius = 0, endRadius = _radius * endNode.PressureFactor;
Vector nearest = GetNearest(hitBegin, hitEnd);
if (nearest.LengthSquared <= (endRadius * endRadius))
{
result.EndFIndex = StrokeFIndices.AfterLast;
result.BeginFIndex = beginNode.IsEmpty ? StrokeFIndices.BeforeFirst : 1;
}
if (beginNode.IsEmpty == false)
{
// Hit-test the first node
beginRadius = _radius * beginNode.PressureFactor;
nearest = GetNearest(hitBegin - spineVector, hitEnd - spineVector);
if (nearest.LengthSquared <= (beginRadius * beginRadius))
{
result.BeginFIndex = StrokeFIndices.BeforeFirst;
if (!DoubleUtil.AreClose(result.EndFIndex, StrokeFIndices.AfterLast))
{
result.EndFIndex = 0;
}
}
}
// If both nodes are hit or nothing is hit at all, return.
if (result.IsFull || quad.IsEmpty ||
(result.IsEmpty && (HitTestQuadSegment(quad, hitBeginPoint, hitEndPoint) == false)))
{
return(result);
}
// Find out whether the {begin, end} segment intersects with the contour
// of the stroke segment {_lastNode, _thisNode}, and find the lower index
// of the fragment to cut out.
if (!DoubleUtil.AreClose(result.BeginFIndex, StrokeFIndices.BeforeFirst))
{
result.BeginFIndex = ClipTest(-spineVector, beginRadius, endRadius, hitBegin - spineVector, hitEnd - spineVector);
}
if (!DoubleUtil.AreClose(result.EndFIndex, StrokeFIndices.AfterLast))
{
result.EndFIndex = 1 - ClipTest(spineVector, endRadius, beginRadius, hitBegin, hitEnd);
}
if (IsInvalidCutTestResult(result))
{
return(StrokeFIndices.Empty);
}
return(result);
}
// Token: 0x06007849 RID: 30793 RVA: 0x00224218 File Offset: 0x00222418
protected override Size MeasureOverride(Size constraint)
{
if (this.ReferenceElement != null && base.AdornedElement != null && base.AdornedElement.IsMeasureValid && !DoubleUtil.AreClose(this.ReferenceElement.DesiredSize, base.AdornedElement.DesiredSize))
{
this.ReferenceElement.InvalidateMeasure();
}
this._child.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
return(this._child.DesiredSize);
}
/// <summary>
/// Measure
/// </summary>
protected override Size MeasureOverride(Size availableSize)
{
// Note: The logic below assumes that the TabHeaders belonging to inactive
// ContextualTabGroups have their IsVisible set to false.
//_separatorOpacity = 0.0;
Size desiredSize = new Size();
UIElementCollection children = InternalChildren;
if (children.Count == 0)
{
return(desiredSize);
}
Size childConstraint = new Size(double.PositiveInfinity, availableSize.Height);
int countRegularTabs = 0;
double totalDefaultPaddingAllTabHeaders = 0;
double totalDefaultPaddingRegularTabHeaders = 0;
double totalDesiredWidthRegularTabHeaders = 0;
bool showRegularTabHeaderToolTips = false;
bool showContextualTabHeaderToolTips = false;
int countVisibleTabs = 0;
// Measure all TabHeaders to fit their content
// desiredSize should hold the total size required to fit all TabHeaders
desiredSize = InitialMeasure(childConstraint,
out totalDefaultPaddingAllTabHeaders,
out totalDefaultPaddingRegularTabHeaders,
out totalDesiredWidthRegularTabHeaders,
out countRegularTabs,
out countVisibleTabs);
int countContextualTabs = countVisibleTabs - countRegularTabs;
SpaceAvailable = 0.0;
double overflowWidth = desiredSize.Width - availableSize.Width; // Total overflow width
if (DoubleUtil.GreaterThan(overflowWidth, 0))
{
// Calculate max tab width if tab clipping is necessary
double totalClipWidthRegularTabHeaders = 0; // How much pixels we need to clip regular tabs
double totalClipWidthContextualTabHeaders = 0; // How much pixels we need to clip contextual tabs
if (DoubleUtil.GreaterThan(overflowWidth, totalDefaultPaddingAllTabHeaders)) // Clipping is necessary - all tabs padding will we 0
{
showRegularTabHeaderToolTips = true;
totalClipWidthRegularTabHeaders = overflowWidth - totalDefaultPaddingAllTabHeaders; // Try to use the whole totalClipAmount in the regular tabs
}
double maxRegularTabHeaderWidth = CalculateMaxTabHeaderWidth(totalClipWidthRegularTabHeaders, false);
if (DoubleUtil.AreClose(maxRegularTabHeaderWidth, _tabHeaderMinWidth)) // Regular tabs are clipped to the min size - need to clip contextual tabs
{
showContextualTabHeaderToolTips = true;
double totalClipAmount = overflowWidth - totalDefaultPaddingAllTabHeaders;
double usedClipAmount = totalDesiredWidthRegularTabHeaders - totalDefaultPaddingRegularTabHeaders - (_tabHeaderMinWidth * countRegularTabs);
totalClipWidthContextualTabHeaders = totalClipAmount - usedClipAmount; // Remaining clipping amount
}
double maxContextualTabHeaderWidth = CalculateMaxTabHeaderWidth(totalClipWidthContextualTabHeaders, true);
double reducePaddingRegularTabHeader = 0;
double reducePaddingContextualTabHeader = 0;
if (DoubleUtil.GreaterThanOrClose(totalDefaultPaddingRegularTabHeaders, overflowWidth))
{
reducePaddingRegularTabHeader = (0.5 * overflowWidth) / countRegularTabs;
//_separatorOpacity = Math.Max(0.0, reducePaddingRegularTabHeader * 0.2);
}
else
{
//_separatorOpacity = 1.0;
reducePaddingRegularTabHeader = double.PositiveInfinity;
// If countContextualTabs==0 then reducePaddingContextualTab will become Infinity
reducePaddingContextualTabHeader = (0.5 * (overflowWidth - totalDefaultPaddingRegularTabHeaders)) / (countVisibleTabs - countRegularTabs);
}
desiredSize = FinalMeasure(childConstraint,
reducePaddingContextualTabHeader,
reducePaddingRegularTabHeader,
maxContextualTabHeaderWidth,
maxRegularTabHeaderWidth);
}
else if (countContextualTabs > 0)
{
// After assigning DefaultPadding, we are left with extra space.
// If contextual tabs need that extra space, assign them more padding.
NotifyDesiredWidthChanged();
double spaceAvailable = availableSize.Width - desiredSize.Width;
double availableExtraWidthPerTab = CalculateMaxPadding(spaceAvailable);
foreach (UIElement child in InternalChildren)
{
RibbonTabHeader ribbonTabHeader = child as RibbonTabHeader;
if (ribbonTabHeader != null && ribbonTabHeader.IsVisible && ribbonTabHeader.IsContextualTab)
{
RibbonContextualTabGroup ctg = ribbonTabHeader.ContextualTabGroup;
if (ctg != null && DoubleUtil.GreaterThan(ctg.DesiredExtraPaddingPerTab, 0.0))
{
double desiredExtraPaddingPerTab = ctg.DesiredExtraPaddingPerTab;
double availableExtraWidth = Math.Min(desiredExtraPaddingPerTab, availableExtraWidthPerTab);
Thickness newPadding = ribbonTabHeader.Padding;
newPadding.Left += availableExtraWidth * 0.5;
newPadding.Right += availableExtraWidth * 0.5;
ribbonTabHeader.Padding = newPadding;
// Remeasure with added padding
desiredSize.Width -= ribbonTabHeader.DesiredSize.Width;
ribbonTabHeader.Measure(new Size(Double.MaxValue, childConstraint.Height));
desiredSize.Width += ribbonTabHeader.DesiredSize.Width;
}
}
}
}
// If the difference between desiredWidth and constraintWidth is less
// than 1e-10 then assume that both are same. This avoids unnecessary
// inequalities in extent and viewport resulting in spontaneous
// flickering of scroll button.
if (Math.Abs(desiredSize.Width - availableSize.Width) < _desiredWidthEpsilon)
{
desiredSize.Width = availableSize.Width;
}
SpaceAvailable = availableSize.Width - desiredSize.Width;
// Update ContextualTabGroup.TabsDesiredWidth
NotifyDesiredWidthChanged();
// Update whether tooltips should be shown.
UpdateToolTips(showRegularTabHeaderToolTips, showContextualTabHeaderToolTips);
VerifyScrollData(availableSize.Width, desiredSize.Width);
// Invalidate ContextualTabHeadersPanel
if (Ribbon != null)
{
RibbonContextualTabGroupItemsControl groupHeaderItemsControl = Ribbon.ContextualTabGroupItemsControl;
if (groupHeaderItemsControl != null && groupHeaderItemsControl.InternalItemsHost != null)
{
groupHeaderItemsControl.InternalItemsHost.InvalidateMeasure();
}
}
return(desiredSize);
}
/// <summary>
/// Обработчик под тип входных данных OPTION_SERIES
/// </summary>
public IList <double> Execute(IOptionSeries optSer)
{
if (optSer == null)
{
return(Constants.EmptyListDouble);
}
ISecurity sec = optSer.UnderlyingAsset;
int len = sec.Bars.Count;
if (len <= 0)
{
return(Constants.EmptyListDouble);
}
IOptionStrikePair[] pairs = optSer.GetStrikePairs().ToArray();
if ((!Double.IsNaN(m_strikeStep)) && (m_strikeStep > Double.Epsilon))
{
// Выделяем страйки, которые нацело делятся на StrikeStep
var tmp = (from p in pairs
let test = m_strikeStep * Math.Round(p.Strike / m_strikeStep)
where DoubleUtil.AreClose(p.Strike, test)
select p).ToArray();
if (tmp.Length > 1)
{
// Нормальная ситуация
pairs = tmp;
}
// [02-06-2016] PROD-2812 - Защита от ошибок при указании шага страйков
// В противном случае буду показывать все страйки (уже лежат в pairs).
// Это хотя бы позволит Пользователю продолжить работу.
}
if (pairs.Length < 2)
{
return(Constants.EmptyListDouble);
}
double[] res = Context?.GetArray <double>(len) ?? new double[len];
var history = LocalHistory;
double prevK = Double.NaN;
for (int m = 0; m < len; m++)
{
DateTime now = sec.Bars[m].Date;
double ck;
if (history.TryGetValue(now, out ck))
{
prevK = ck;
res[m] = prevK;
}
else
{
double futPx = sec.Bars[m].Close;
// 0. Валидация диапазона
IOptionStrikePair left = pairs[0];
IOptionStrikePair right = pairs[pairs.Length - 1];
if ((futPx <= left.Strike + Double.Epsilon) || (right.Strike - Double.Epsilon <= futPx))
{
res[m] = Double.IsNaN(prevK) ? Constants.NaN : prevK;
continue;
}
// 1. Пробуем проверить середину серии в качестве кандидата на левую границу
int li = pairs.Length / 2;
if (pairs[li].Strike < futPx)
{
left = pairs[li];
}
else
{
li = 0;
}
// 2. Ищем правый страйк
double ratio = Double.NaN;
int leftIndex = Int32.MinValue, rightIndex = Int32.MaxValue;
for (int j = li; j < pairs.Length - 1; j++)
{
if ((pairs[j].Strike - Double.Epsilon <= futPx) && (futPx < pairs[j + 1].Strike))
{
left = pairs[j];
right = pairs[j + 1];
leftIndex = Math.Max(0, j + m_shiftStrike);
leftIndex = Math.Min(leftIndex, pairs.Length - 2);
rightIndex = Math.Max(1, j + 1 + m_shiftStrike);
rightIndex = Math.Min(rightIndex, pairs.Length - 1);
ratio = (futPx - left.Strike) / (right.Strike - left.Strike);
break;
}
}
if (ratio <= (1.0 - m_switchRatio))
{
prevK = pairs[leftIndex].Strike; // left.Strike;
res[m] = prevK;
history[now] = prevK;
}
else if (m_switchRatio <= ratio)
{
prevK = pairs[rightIndex].Strike; // right.Strike;
res[m] = prevK;
history[now] = prevK;
}
else
{
if (Double.IsNaN(prevK) || (prevK <= 0))
{
try
{
prevK = pairs[rightIndex].Strike; // right.Strike;
}
catch (IndexOutOfRangeException ioex)
{
string msg = String.Format(CultureInfo.InvariantCulture,
"{0} when trying to get StrikePair. rightIndex:{1}; pairs.Length:{2}; leftIndex:{3}; li:{4}; ratio:{5}; prevK:{6}; futPx:{7}; ticker:{8}",
ioex.GetType().FullName, rightIndex, pairs.Length, leftIndex, li, ratio, prevK, futPx, optSer.UnderlyingAsset.Symbol);
m_context.Log(msg, MessageType.Error, true);
// Здесь ПОКА оставляю выброс исключения, чтобы ситуация с самозакрытием окон агента воспроизводилась.
throw;
}
res[m] = prevK;
history[now] = prevK;
}
else
{
res[m] = prevK;
// Надо ли здесь обновить history или это бессмысленно и расточительно???
}
}
}
//// "For some strange reason I didn't fill value at index m:" + m);
//if (DoubleUtil.IsZero(res[m]))
// m_context.Log("[DEBUG:CentralStrike] For some strange reason I didn't fill value at index m:" + m, MessageType.Error, true);
}
double displayValue = FixedValue.ConvertToDisplayUnits(m_valueMode, res[len - 1]);
m_displayPrice.Value = displayValue;
return(res);
}
#pragma warning restore SA1206 // Declaration keywords must follow order
public override int Compare(double x, double y)
{
return(DoubleUtil.AreClose(x, y) ? 0 : x.CompareTo(y));
}
// ReSharper disable once UnusedMember.Global
public IList <double> Execute(IOptionSeries optSer)
{
if (optSer == null)
{
return(Constants.EmptyListDouble);
}
// 1. Список страйков
HashSet <string> serList = StrikeList;
serList.Clear();
IOptionStrikePair[] pairs;
if (Double.IsNaN(m_strikeStep) || (m_strikeStep <= Double.Epsilon))
{
pairs = optSer.GetStrikePairs().ToArray();
}
else
{
// Выделяем страйки, которые нацело делятся на StrikeStep
pairs = (from p in optSer.GetStrikePairs()
let test = m_strikeStep * Math.Round(p.Strike / m_strikeStep)
where DoubleUtil.AreClose(p.Strike, test)
select p).ToArray();
// [2015-12-24] Если шаг страйков по ошибке задан совершенно неправильно,
// то в коллекцию ставим все имеющиеся страйки.
// Пользователь потом разберется
if (pairs.Length <= 0)
{
pairs = optSer.GetStrikePairs().ToArray();
}
}
//if (pairs.Length < 2)
// return Constants.EmptyListDouble;
foreach (IOptionStrikePair pair in pairs)
{
double k = pair.Strike;
serList.Add(k.ToString(CultureInfo.InvariantCulture));
}
// 2. Локальный кеш страйков
List <double> historyStrikes = LocalStrikeHistory;
if (/* m_reset || */ m_context.Runtime.IsFixedBarsCount)
{
historyStrikes.Clear();
}
// Типа, кеширование?
int len = Context.BarsCount;
for (int j = historyStrikes.Count; j < len; j++)
{
double k;
// ReSharper disable once ConvertIfStatementToConditionalTernaryExpression
if (Double.TryParse(m_strike, NumberStyles.Any, CultureInfo.InvariantCulture, out k))
{
historyStrikes.Add(k);
}
else
{
historyStrikes.Add(Constants.NaN);
}
}
return(new ReadOnlyCollection <double>(historyStrikes));
}
/// <summary>
/// Finds connecting points for a pair of stroke nodes
/// </summary>
/// <param name="beginNode">a node to connect</param>
/// <param name="endNode">another node, next to beginNode</param>
/// <returns>connecting quadrangle</returns>
internal override Quad GetConnectingQuad(StrokeNodeData beginNode, StrokeNodeData endNode)
{
if (beginNode.IsEmpty || endNode.IsEmpty || DoubleUtil.AreClose(beginNode.Position, endNode.Position))
{
return(Quad.Empty);
}
// Get the vector between the node positions
Vector spine = endNode.Position - beginNode.Position;
if (_nodeShapeToCircle.IsIdentity == false)
{
spine = _nodeShapeToCircle.Transform(spine);
}
double beginRadius = _radius * beginNode.PressureFactor;
double endRadius = _radius * endNode.PressureFactor;
// Get the vector and the distance between the node positions
double distanceSquared = spine.LengthSquared;
double delta = endRadius - beginRadius;
double deltaSquared = DoubleUtil.IsZero(delta) ? 0 : (delta * delta);
if (DoubleUtil.LessThanOrClose(distanceSquared, deltaSquared))
{
// One circle is contained within the other
return(Quad.Empty);
}
// Thus, at this point, distance > 0, which avoids the DivideByZero error
// Also, here, distanceSquared > deltaSquared
// Thus, 0 <= rSin < 1
// Get the components of the radius vectors
double distance = Math.Sqrt(distanceSquared);
spine /= distance;
Vector rad = spine;
// Turn left
double temp = rad.Y;
rad.Y = -rad.X;
rad.X = temp;
Vector vectorToLeftTangent, vectorToRightTangent;
double rSinSquared = deltaSquared / distanceSquared;
if (DoubleUtil.IsZero(rSinSquared))
{
vectorToLeftTangent = rad;
vectorToRightTangent = -rad;
}
else
{
rad *= Math.Sqrt(1 - rSinSquared);
spine *= Math.Sqrt(rSinSquared);
if (beginNode.PressureFactor < endNode.PressureFactor)
{
spine = -spine;
}
vectorToLeftTangent = spine + rad;
vectorToRightTangent = spine - rad;
}
// Get the common tangent points
if (_circleToNodeShape.IsIdentity == false)
{
vectorToLeftTangent = _circleToNodeShape.Transform(vectorToLeftTangent);
vectorToRightTangent = _circleToNodeShape.Transform(vectorToRightTangent);
}
return(new Quad(beginNode.Position + (vectorToLeftTangent * beginRadius),
endNode.Position + (vectorToLeftTangent * endRadius),
endNode.Position + (vectorToRightTangent * endRadius),
beginNode.Position + (vectorToRightTangent * beginRadius)));
}
/// <summary>
/// Parses a DataGridLength from a string given the CultureInfo.
/// </summary>
/// <param name="s">String to parse from.</param>
/// <param name="cultureInfo">Culture Info.</param>
/// <returns>Newly created DataGridLength instance.</returns>
/// <remarks>
/// Formats:
/// "[value][unit]"
/// [value] is a double
/// [unit] is a string in DataGridLength._unitTypes connected to a DataGridLengthUnitType
/// "[value]"
/// As above, but the DataGridLengthUnitType is assumed to be DataGridLengthUnitType.Pixel
/// "[unit]"
/// As above, but the value is assumed to be 1.0
/// This is only acceptable for a subset of DataGridLengthUnitType: Auto
/// </remarks>
private static DataGridLength ConvertFromString(string s, CultureInfo cultureInfo)
{
string goodString = s.Trim().ToLowerInvariant();
// Check if the string matches any of the descriptive unit types.
// In these cases, there is no need to parse a value.
for (int i = 0; i < NumDescriptiveUnits; i++)
{
string unitString = _unitStrings[i];
if (goodString == unitString)
{
return(new DataGridLength(1.0, (DataGridLengthUnitType)i));
}
}
double value = 0.0;
DataGridLengthUnitType unit = DataGridLengthUnitType.Pixel;
int strLen = goodString.Length;
int strLenUnit = 0;
double unitFactor = 1.0;
// Check if the string contains a non-descriptive unit at the end.
int numUnitStrings = _unitStrings.Length;
for (int i = NumDescriptiveUnits; i < numUnitStrings; i++)
{
string unitString = _unitStrings[i];
// Note: This is NOT a culture specific comparison.
// This is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(unitString, StringComparison.Ordinal))
{
strLenUnit = unitString.Length;
unit = (DataGridLengthUnitType)i;
break;
}
}
// Couldn't match a standard unit type, try a non-standard unit type.
if (strLenUnit == 0)
{
numUnitStrings = _nonStandardUnitStrings.Length;
for (int i = 0; i < numUnitStrings; i++)
{
string unitString = _nonStandardUnitStrings[i];
// Note: This is NOT a culture specific comparison.
// This is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(unitString, StringComparison.Ordinal))
{
strLenUnit = unitString.Length;
unitFactor = _pixelUnitFactors[i];
break;
}
}
}
// Check if there is a numerical value to parse
if (strLen == strLenUnit)
{
// There is no numerical value to parse
if (unit == DataGridLengthUnitType.Star)
{
// Star's value defaults to 1. Anyone else would be 0.
value = 1.0;
}
}
else
{
// Parse a numerical value
Debug.Assert(
(unit == DataGridLengthUnitType.Pixel) || DoubleUtil.AreClose(unitFactor, 1.0),
"unitFactor should not be other than 1.0 unless the unit type is Pixel.");
string valueString = goodString.Substring(0, strLen - strLenUnit);
value = Convert.ToDouble(valueString, cultureInfo) * unitFactor;
}
return(new DataGridLength(value, unit));
}
// Updates Width and other layout properties in the Visual tree from RibbonControl to InRibbonGallery wherever needed
// when attains In Ribbon mode.
private void UpdateInRibbonGalleryModeProperties()
{
if (IsInInRibbonMode && ControlSizeDefinition != null)
{
_scrollButtonsBorderFactor = 0;
if (_scrollButtonsBorder != null)
{
if (DoubleUtil.AreClose(_scrollButtonsBorder.ActualWidth, 0))
{
_scrollButtonsBorderFactor = 0;
}
else
{
_scrollButtonsBorderFactor = Math.Max(_scrollButtonsBorder.ActualWidth, 0);
}
}
if (_contentPresenter != null)
{
// Converts if the Width property values specified in terms of items and assigns it to
// InRibbonGallery Content Template parts from ControlSizeDefinition
double minWidth = GetPixelValueFromRibbonControlLength(ControlSizeDefinition.MinWidth);
if (!DoubleUtil.AreClose(minWidth, _contentPresenter.MinWidth))
{
// TODO: make sure we are robust against retemplating
//_contentPresenter.MinWidth = minWidth + _contentPresenter.Margin.Left + _contentPresenter.Margin.Right;
_contentPresenter.MinWidth = minWidth;
}
double maxWidth = GetPixelValueFromRibbonControlLength(ControlSizeDefinition.MaxWidth);
if (!DoubleUtil.AreClose(maxWidth, _contentPresenter.MaxWidth))
{
// TODO: make sure we are robust against retemplating
//_contentPresenter.MaxWidth = maxWidth + _contentPresenter.Margin.Left + _contentPresenter.Margin.Right;
_contentPresenter.MaxWidth = maxWidth;
}
double width = GetPixelValueFromRibbonControlLength(ControlSizeDefinition.Width);
if (!DoubleUtil.AreClose(width, _contentPresenter.Width) && !(double.IsNaN(width) && double.IsNaN(_contentPresenter.Width)))
{
_contentPresenter.Width = width;
}
if (_ribbonControl != null)
{
// Ribbon Control Length is bound to Min/Max values of ControlSizeDefinition by default
// but in case on InRibbonGallery it needs to be taken care specifically as InRibbonGallery
// supports Item unit types as well.
maxWidth = _contentPresenter.MaxWidth + _contentPresenter.Margin.Left + _contentPresenter.Margin.Right + _scrollButtonsBorderFactor + WidthStylePadding;
if (!DoubleUtil.AreClose(maxWidth, _ribbonControl.MaxWidth))
{
_ribbonControl.MaxWidth = maxWidth;
}
minWidth = _contentPresenter.MinWidth + _contentPresenter.Margin.Left + _contentPresenter.Margin.Right + _scrollButtonsBorderFactor + WidthStylePadding;
if (!DoubleUtil.AreClose(minWidth, _ribbonControl.MinWidth))
{
_ribbonControl.MinWidth = minWidth;
}
// RibbonControl's Horizontal alignment by default is Stretch but InRibbonGallery has
// specific requirement which RibbonControl understands.
if (this.HorizontalAlignment != HorizontalAlignment.Left)
{
this.HorizontalAlignment = HorizontalAlignment.Left;
}
}
}
}
else
{
if (_ribbonControl != null)
{
_ribbonControl.ClearValue(FrameworkElement.MaxWidthProperty);
_ribbonControl.ClearValue(FrameworkElement.MinWidthProperty);
_ribbonControl.ClearValue(FrameworkElement.HorizontalAlignmentProperty);
}
}
}
override protected bool IsOffscreenCore()
{
if (!Owner.IsVisible)
{
return(true);
}
Rect boundingRect = DataGridAutomationPeer.CalculateVisibleBoundingRect(this.Owner);
return(DoubleUtil.AreClose(boundingRect, Rect.Empty) || DoubleUtil.AreClose(boundingRect.Height, 0.0) || DoubleUtil.AreClose(boundingRect.Width, 0.0));
}
/// <summary>
/// Parses a RibbonControlLength from a string given the CultureInfo.
/// </summary>
internal static RibbonControlLength FromString(string s, CultureInfo cultureInfo)
{
string goodString = s.Trim().ToLowerInvariant();
double value = 0.0;
RibbonControlLengthUnitType unit = RibbonControlLengthUnitType.Pixel;
int i;
int strLen = goodString.Length;
int strLenUnit = 0;
double unitFactor = 1.0;
// this is where we would handle trailing whitespace on the input string.
// peel [unit] off the end of the string
i = 0;
if (goodString == _unitStrings[i])
{
strLenUnit = _unitStrings[i].Length;
unit = (RibbonControlLengthUnitType)i;
}
else
{
for (i = 1; i < _unitStrings.Length; ++i)
{
// Note: this is NOT a culture specific comparison.
// this is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(_unitStrings[i], StringComparison.Ordinal))
{
strLenUnit = _unitStrings[i].Length;
unit = (RibbonControlLengthUnitType)i;
break;
}
}
}
// we couldn't match a real unit from RibbonControlLengthUnitTypes.
// try again with a converter-only unit (a pixel equivalent).
if (i >= _unitStrings.Length)
{
for (i = 0; i < _pixelUnitStrings.Length; ++i)
{
// Note: this is NOT a culture specific comparison.
// this is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(_pixelUnitStrings[i], StringComparison.Ordinal))
{
strLenUnit = _pixelUnitStrings[i].Length;
unitFactor = _pixelUnitFactors[i];
break;
}
}
}
// this is where we would handle leading whitespace on the input string.
// this is also where we would handle whitespace between [value] and [unit].
// check if we don't have a [value]. This is acceptable for certain UnitTypes.
if (strLen == strLenUnit && (unit == RibbonControlLengthUnitType.Auto || unit == RibbonControlLengthUnitType.Star))
{
value = 1;
}
// we have a value to parse.
else
{
Debug.Assert(unit == RibbonControlLengthUnitType.Pixel || unit == RibbonControlLengthUnitType.Item ||
DoubleUtil.AreClose(unitFactor, 1.0));
ReadOnlySpan <char> valueString = goodString.AsSpan(0, strLen - strLenUnit);
value = double.Parse(valueString, provider: cultureInfo) * unitFactor;
}
return(new RibbonControlLength(value, unit));
}
/// <summary>
/// Метод под флаг TemplateTypes.SECURITY, чтобы подключаться к источнику-БА
/// </summary>
public IList <double> Execute(ISecurity sec)
{
if (sec == null)
{
return(Constants.EmptyListDouble);
}
Dictionary <DateTime, double> hvSigmas;
#region Get cache
int barLengthInSeconds = (int)sec.IntervalInstance.ToSeconds();
string cashKey = GetGlobalCashKey(sec.Symbol, false, m_useAllData, barLengthInSeconds, m_annualizingMultiplier, m_period);
if (UseGlobalCache)
{
object globalObj = Context.LoadGlobalObject(cashKey, true);
hvSigmas = globalObj as Dictionary <DateTime, double>;
// PROD-3970 - 'Важный' объект
if (hvSigmas == null)
{
var container = globalObj as NotClearableContainer;
if ((container != null) && (container.Content != null))
{
hvSigmas = container.Content as Dictionary <DateTime, double>;
}
}
if (hvSigmas == null)
{
hvSigmas = new Dictionary <DateTime, double>();
var container = new NotClearableContainer(hvSigmas);
Context.StoreGlobalObject(cashKey, container, true);
}
}
else
{
object locObj = Context.LoadObject(cashKey);
hvSigmas = locObj as Dictionary <DateTime, double>;
// PROD-3970 - 'Важный' объект
if (hvSigmas == null)
{
var container = locObj as NotClearableContainer;
if ((container != null) && (container.Content != null))
{
hvSigmas = container.Content as Dictionary <DateTime, double>;
}
}
if (hvSigmas == null)
{
hvSigmas = new Dictionary <DateTime, double>();
var container = new NotClearableContainer(hvSigmas);
Context.StoreObject(cashKey, container);
}
}
#endregion Get cache
List <double> historySigmas = LocalHistory;
if (m_reset || m_context.Runtime.IsFixedBarsCount)
{
historySigmas.Clear();
}
int len = Context.BarsCount;
// Локальный ключ можно всегда формировать вместе с периодом!
string logsLocObjKey = VariableId + "_logs_" + m_period;
object logsLocObj = m_context.LoadObject(logsLocObjKey);
LinkedList <KeyValuePair <DateTime, double> > logs = logsLocObj as LinkedList <KeyValuePair <DateTime, double> >;
#region Get cache
// PROD-3970 - 'Важный' объект
if (logs == null)
{
var container = logsLocObj as NotClearableContainer;
if ((container != null) && (container.Content != null))
{
logs = container.Content as LinkedList <KeyValuePair <DateTime, double> >;
}
}
if (logs == null)
{
logs = new LinkedList <KeyValuePair <DateTime, double> >();
var container = new NotClearableContainer(logs);
m_context.StoreObject(logsLocObjKey, container);
}
#endregion Get cache
if (m_reset || m_context.Runtime.IsFixedBarsCount)
{
logs.Clear();
}
if (len <= 0)
{
return(historySigmas);
}
// Типа, кеширование?
for (int j = historySigmas.Count; j < len; j++)
{
IDataBar bar;
try
{
// Наблюдал на реале странную картину (ВО ВРЕМЯ КЛИРИНГА!):
// Context.BarsCount == 3843 && sec.Bars.Count == 3842
bar = sec.Bars[j];
// если бар технический (то есть имеет нулевой объём), пропускаем его
// 2017-04-26 - На эксанте при запросе истории все бары имеют нулевой объём, но при этом большинство из них являются нормальными:
// имеют ненулевой размах и осмысленные значения открытия/закрытия
if ((bar.Volume <= Double.Epsilon) && (DoubleUtil.AreClose(bar.High, bar.Low)))
{
// пишу NaN в такой ситуации
historySigmas.Add(Constants.NaN);
continue;
}
}
catch (ArgumentOutOfRangeException)
{
// Перехватываю aorEx и пишу NaN в такой ситуации
historySigmas.Add(Constants.NaN);
continue;
}
DateTime t = bar.Date;
double v = bar.Close;
double ln = Math.Log(v);
Contract.Assert(logs != null, "Каким образом переменная logs оказалась null?");
logs.AddLast(new KeyValuePair <DateTime, double>(t, ln));
double hv;
if (TryEstimateHv(
logs, m_period, barLengthInSeconds, m_annualizingMultiplier,
m_useAllData, out hv))
{
double vol = hv;
historySigmas.Add(vol);
lock (hvSigmas)
{
hvSigmas[t] = vol;
}
}
else
{
historySigmas.Add(Constants.NaN);
}
}
// Попытку записи в глобальный кеш делаю только в самом конце всех вычислений
// для экономии времени на сериализацию и запись
lock (hvSigmas)
{
if (sec.Bars.Count > len - 1)
{
// Наблюдал на реале странную картину (ВО ВРЕМЯ КЛИРИНГА!):
// Context.BarsCount == 3760 && sec.Bars.Count == 3759
bool success = IvOnF.TryWrite(m_context, UseGlobalCache, AllowGlobalReadWrite, GlobalSavePeriod,
cashKey, hvSigmas, sec.Bars[len - 1].Date, historySigmas[historySigmas.Count - 1]);
}
return(new ReadOnlyCollection <double>(historySigmas));
}
}
// ------------------------------------------------------------------
// Set information about column rules that are necessary for rendering
// process. Draw column rules if necessary.
//
// arrayColumnDesc - column description including rectangle coordinates, etc
// columnVStart - vertical start coordinate of column rule
// columnHeight - height of column rule
// columnProperties - column properties.
// ------------------------------------------------------------------
internal void DrawColumnRules(ref PTS.FSTRACKDESCRIPTION[] arrayColumnDesc, double columnVStart, double columnHeight, ColumnPropertiesGroup columnProperties)
{
// Compute column rules data first.
Point[] rulePositions = null;
double ruleWidth = columnProperties.ColumnRuleWidth;
if (arrayColumnDesc.Length > 1)
{
if (ruleWidth > 0)
{
int gapWidth = (arrayColumnDesc[1].fsrc.u - (arrayColumnDesc[0].fsrc.u + arrayColumnDesc[0].fsrc.du)) / 2;
rulePositions = new Point[(arrayColumnDesc.Length - 1) * 2];
for (int index = 1; index < arrayColumnDesc.Length; index++)
{
double u = TextDpi.FromTextDpi(arrayColumnDesc[index].fsrc.u - gapWidth);
double v = columnVStart;
double dv = columnHeight;
rulePositions[(index - 1) * 2].X = u;
rulePositions[(index - 1) * 2].Y = v;
rulePositions[(index - 1) * 2 + 1].X = u;
rulePositions[(index - 1) * 2 + 1].Y = v + dv;
}
}
}
// Check if update of the visual render data is needed.
bool needsUpdate = _ruleWidth != ruleWidth;
if (!needsUpdate && _rulePositions != rulePositions)
{
int prevSize = _rulePositions == null ? 0 : _rulePositions.Length;
int newSize = rulePositions == null ? 0 : rulePositions.Length;
if (prevSize == newSize)
{
for (int index = 0; index < rulePositions.Length; index++)
{
if (!DoubleUtil.AreClose(rulePositions[index].X, _rulePositions[index].X) ||
!DoubleUtil.AreClose(rulePositions[index].Y, _rulePositions[index].Y))
{
needsUpdate = true;
break;
}
}
}
else
{
needsUpdate = true;
}
}
// Draw column rules if necessary
if (needsUpdate)
{
_ruleWidth = ruleWidth;
_rulePositions = rulePositions;
// Open DrawingContext and draw background.
// If background is not set, Open will clear the render data, but it
// will preserve visual children.
using (DrawingContext dc = RenderOpen())
{
if (rulePositions != null)
{
// We do not want to cause the user's Brush to become frozen when we
// freeze pen below, therefore we make our own copy of the Brush if
// it is not already frozen.
Brush columnRuleBrush = (Brush)FreezableOperations.GetAsFrozenIfPossible(columnProperties.ColumnRuleBrush);
Pen pen = new Pen(columnRuleBrush, ruleWidth);
// Freeze the pen if possible. Doing this avoids the overhead of
// maintaining changed handlers.
if (pen.CanFreeze)
{
pen.Freeze();
}
for (int index = 0; index < rulePositions.Length; index += 2)
{
dc.DrawLine(pen, rulePositions[index], rulePositions[index + 1]);
}
}
}
}
}
/// <summary>TBS</summary>
public Point[] AddPoints(List <Point> points)
{
if (null == points)
{
throw new ArgumentNullException("points");
}
// Lazy initialization.
EnsureReady();
List <Point> justAdded = new List <Point>();
int count = points.Count;
for (int i = 0; i < count; i++)
{
Point point = points[i];
if (0 == _count)
{
AddLassoPoint(point);
justAdded.Add(point);
_lasso.Add(point);
_boundingBox.Union(point);
_firstLassoPoint = point;
_lastLassoPoint = point;
_count++;
}
else
{
Vector last2next = point - _lastLassoPoint;
double distanceSquared = last2next.LengthSquared;
// Avoid using Sqrt when the distance is equal to the step.
if (DoubleUtil.AreClose(MinDistanceSquared, distanceSquared))
{
AddLassoPoint(point);
justAdded.Add(point);
_lasso.Add(point);
_boundingBox.Union(point);
_lastLassoPoint = point;
_count++;
}
else if (MinDistanceSquared < distanceSquared)
{
double step = Math.Sqrt(MinDistanceSquared / distanceSquared);
Point last = _lastLassoPoint;
for (double findex = step; findex < 1.0f; findex += step)
{
Point lassoPoint = last + (last2next * findex);
AddLassoPoint(lassoPoint);
justAdded.Add(lassoPoint);
_lasso.Add(lassoPoint);
_boundingBox.Union(lassoPoint);
_lastLassoPoint = lassoPoint;
_count++;
}
}
}
}
// still working on perf here.
// Draw a line between the last point and the first one.
//if (_count > 1)
//{
// DrawingContext dc = _containerVisual.RenderOpen();
// dc.DrawLine(_linePen, _firstLassoPoint, _lastLassoPoint);
// dc.Close();
//}
return(justAdded.ToArray());
}
/// <summary>
/// Метод под флаг TemplateTypes.INTERACTIVESPLINE
/// </summary>
public InteractiveSeries Execute(InteractiveSeries smile, IOptionSeries optSer, double scaleMult, int barNum)
{
if ((smile == null) || (optSer == null))
{
return(Constants.EmptySeries);
}
int barsCount = m_context.BarsCount;
if (!m_context.IsLastBarUsed)
{
barsCount--;
}
if (barNum < barsCount - 1)
{
return(Constants.EmptySeries);
}
SmileInfo oldInfo = smile.GetTag <SmileInfo>();
if ((oldInfo == null) || (oldInfo.ContinuousFunction == null))
{
return(Constants.EmptySeries);
}
double futPx = oldInfo.F;
double dT = oldInfo.dT;
if (m_executeCommand)
{
string msg = String.Format("[{0}.StartButton] Strike: {1}", GetType().Name, m_strike);
m_context.Log(msg, MessageType.Info, false);
}
#region 1. Список страйков
HashSet <string> serList = StrikeList;
serList.Clear();
IOptionStrikePair[] pairs;
if (Double.IsNaN(m_strikeStep) || (m_strikeStep <= Double.Epsilon))
{
pairs = optSer.GetStrikePairs().ToArray();
}
else
{
// Выделяем страйки, которые нацело делятся на StrikeStep
pairs = (from p in optSer.GetStrikePairs()
let test = m_strikeStep * Math.Round(p.Strike / m_strikeStep)
where DoubleUtil.AreClose(p.Strike, test)
select p).ToArray();
// [2015-12-24] Если шаг страйков по ошибке задан совершенно неправильно,
// то в коллекцию ставим все имеющиеся страйки.
// Пользователь потом разберется
if (pairs.Length <= 0)
{
pairs = optSer.GetStrikePairs().ToArray();
}
}
//if (pairs.Length < 2)
// return Constants.EmptyListDouble;
foreach (IOptionStrikePair pair in pairs)
{
double k = pair.Strike;
serList.Add(k.ToString(StrikeFormat, CultureInfo.InvariantCulture));
}
#endregion 1. Список страйков
InteractiveSeries res = Constants.EmptySeries;
List <InteractiveObject> controlPoints = new List <InteractiveObject>();
#region 2. Формируем улыбку просто для отображения текущего положения потенциальной котировки
// При нулевом рабочем объёме не утруждаемся рисованием лишних линий
if (!DoubleUtil.IsZero(m_qty))
{
for (int j = 0; j < pairs.Length; j++)
{
var pair = pairs[j];
double sigma = oldInfo.ContinuousFunction.Value(pair.Strike) + m_shiftIv;
if (!DoubleUtil.IsPositive(sigma))
{
//string msg = String.Format("[DEBUG:{0}] Invalid sigma:{1} for strike:{2}", GetType().Name, sigma, nodeInfo.Strike);
//m_context.Log(msg, MessageType.Warning, true);
continue;
}
//bool isCall = (futPx <= pair.Strike);
bool isCall;
if (m_optionType == StrikeType.Call)
{
isCall = true;
}
else if (m_optionType == StrikeType.Put)
{
isCall = false;
}
else
{
isCall = (futPx <= pair.Strike);
}
StrikeType optionType = isCall ? StrikeType.Call : StrikeType.Put;
Contract.Assert(pair.Tick < 1, $"#1 На тестовом контуре Дерибит присылает неправильный шаг цены! Tick:{pair.Tick}; Decimals:{pair.Put.Security.Decimals}");
double theorOptPxDollars = FinMath.GetOptionPrice(futPx, pair.Strike, dT, sigma, oldInfo.RiskFreeRate, isCall);
// Сразу(!!!) переводим котировку из баксов в битки
double theorOptPxBitcoins = theorOptPxDollars / scaleMult;
// Сдвигаем цену в долларах (с учетом ш.ц. в баксах)
theorOptPxDollars += m_shiftPriceStep * pair.Tick * scaleMult;
theorOptPxDollars = Math.Round(theorOptPxDollars / (pair.Tick * scaleMult)) * (pair.Tick * scaleMult);
// Сдвигаем цену в биткойнах (с учетом ш.ц. в битках)
theorOptPxBitcoins += m_shiftPriceStep * pair.Tick;
theorOptPxBitcoins = Math.Round(theorOptPxBitcoins / pair.Tick) * pair.Tick;
if ((!DoubleUtil.IsPositive(theorOptPxBitcoins)) || (!DoubleUtil.IsPositive(theorOptPxDollars)))
{
//string msg = String.Format("[DEBUG:{0}] Invalid theorOptPx:{1} for strike:{2}", GetType().Name, theorOptPx, nodeInfo.Strike);
//m_context.Log(msg, MessageType.Warning, true);
continue;
}
// Пересчитываем сигму обратно, ЕСЛИ мы применили сдвиг цены в абсолютном выражении
if (m_shiftPriceStep != 0)
{
// Обратный пересчет в волатильность
sigma = FinMath.GetOptionSigma(futPx, pair.Strike, dT, theorOptPxDollars, oldInfo.RiskFreeRate, isCall);
if (!DoubleUtil.IsPositive(sigma))
{
//string msg = String.Format("[DEBUG:{0}] Invalid sigma:{1} for strike:{2}", GetType().Name, sigma, nodeInfo.Strike);
//m_context.Log(msg, MessageType.Warning, true);
continue;
}
}
// ReSharper disable once UseObjectOrCollectionInitializer
SmileNodeInfo nodeInfo = new SmileNodeInfo();
var secDesc = isCall ? pair.CallFinInfo.Security : pair.PutFinInfo.Security;
nodeInfo.F = oldInfo.F;
nodeInfo.dT = oldInfo.dT;
nodeInfo.RiskFreeRate = oldInfo.RiskFreeRate;
nodeInfo.Strike = pair.Strike;
nodeInfo.Sigma = sigma;
nodeInfo.OptPx = theorOptPxBitcoins;
nodeInfo.OptionType = isCall ? StrikeType.Call : StrikeType.Put;
nodeInfo.Pair = pair;
nodeInfo.Symbol = secDesc.Name;
nodeInfo.DSName = secDesc.DSName;
nodeInfo.Expired = secDesc.Expired;
nodeInfo.FullName = secDesc.FullName;
// ReSharper disable once UseObjectOrCollectionInitializer
InteractivePointActive tmp = new InteractivePointActive();
tmp.IsActive = true;
tmp.ValueX = pair.Strike;
tmp.ValueY = sigma;
tmp.DragableMode = DragableMode.Yonly;
tmp.Tooltip = String.Format(CultureInfo.InvariantCulture,
" F: {0}\r\n K: {1}; IV: {2:P2}\r\n {3} px {4}",
futPx, pair.Strike, sigma, optionType, theorOptPxBitcoins);
tmp.Tag = nodeInfo;
//tmp.Color = Colors.White;
if (m_qty > 0)
{
tmp.Geometry = Geometries.Triangle;
}
else if (m_qty < 0)
{
tmp.Geometry = Geometries.TriangleDown;
}
else
{
tmp.Geometry = Geometries.None;
}
InteractiveObject obj = new InteractiveObject();
obj.Anchor = tmp;
controlPoints.Add(obj);
}
// ReSharper disable once UseObjectOrCollectionInitializer
res = new InteractiveSeries(); // Здесь так надо -- мы делаем новую улыбку
res.ControlPoints = new ReadOnlyCollection <InteractiveObject>(controlPoints);
// ReSharper disable once UseObjectOrCollectionInitializer
SmileInfo sInfo = new SmileInfo();
sInfo.F = futPx;
sInfo.dT = dT;
sInfo.Expiry = oldInfo.Expiry;
sInfo.ScriptTime = oldInfo.ScriptTime;
sInfo.RiskFreeRate = oldInfo.RiskFreeRate;
sInfo.BaseTicker = oldInfo.BaseTicker;
res.Tag = sInfo;
if (controlPoints.Count > 0)
{
res.ClickEvent -= InteractiveSplineOnQuoteIvEvent;
res.ClickEvent += InteractiveSplineOnQuoteIvEvent;
m_clickableSeries = res;
}
}
#endregion 2. Формируем улыбку просто для отображения текущего положения потенциальной котировки
PositionsManager posMan = PositionsManager.GetManager(m_context);
if (m_cancelAllLong)
{
posMan.DropAllLongIvTargets(m_context);
}
if (m_cancelAllShort)
{
posMan.DropAllShortIvTargets(m_context);
}
#region 4. Котирование
{
var longTargets = posMan.GetIvTargets(true);
var shortTargets = posMan.GetIvTargets(false);
var ivTargets = longTargets.Union(shortTargets).ToList();
for (int j = 0; j < ivTargets.Count; j++)
{
var ivTarget = ivTargets[j];
// PROD-6102 - Требуется точное совпадение опционной серии
if (optSer.ExpirationDate.Date != ivTarget.SecInfo.Expiry.Date)
{
// Вывести предупреждение???
continue;
}
IOptionStrikePair pair;
double k = ivTarget.SecInfo.Strike;
if (!optSer.TryGetStrikePair(k, out pair))
{
// Вывести предупреждение???
continue;
}
double sigma;
QuoteIvMode quoteMode = ivTarget.QuoteMode;
if (quoteMode == QuoteIvMode.Absolute)
{
sigma = ivTarget.EntryIv;
}
else
{
sigma = oldInfo.ContinuousFunction.Value(k) + ivTarget.EntryIv;
if (!DoubleUtil.IsPositive(sigma))
{
//string msg = String.Format("[DEBUG:{0}] Invalid sigma:{1} for strike:{2}", GetType().Name, sigma, nodeInfo.Strike);
//m_context.Log(msg, MessageType.Warning, true);
continue;
}
}
//bool isCall = (futPx <= pair.Strike);
// Определяю тип опциона на основании информации в Задаче
StrikeType taskOptionType = StrikeType.Any;
if (ivTarget.SecInfo.StrikeType.HasValue)
{
taskOptionType = ivTarget.SecInfo.StrikeType.Value;
}
bool isCall;
if (taskOptionType == StrikeType.Call)
{
isCall = true;
}
else if (taskOptionType == StrikeType.Put)
{
isCall = false;
}
else
{
isCall = (futPx <= pair.Strike); // Это аварийная ситуация?
}
StrikeType optionType = isCall ? StrikeType.Call : StrikeType.Put;
Contract.Assert(pair.Tick < 1, $"#3 На тестовом контуре Дерибит присылает неправильный шаг цены! Tick:{pair.Tick}; Decimals:{pair.Put.Security.Decimals}");
double theorOptPxDollars = FinMath.GetOptionPrice(futPx, pair.Strike, dT, sigma, oldInfo.RiskFreeRate, isCall);
// Сразу(!!!) переводим котировку из баксов в битки
double theorOptPxBitcoins = theorOptPxDollars / scaleMult;
// Сдвигаем цену в долларах (с учетом ш.ц. в баксах)
theorOptPxDollars += ivTarget.EntryShiftPrice * pair.Tick * scaleMult;
theorOptPxDollars = Math.Round(theorOptPxDollars / (pair.Tick * scaleMult)) * (pair.Tick * scaleMult);
// Сдвигаем цену в биткойнах (с учетом ш.ц. в битках)
theorOptPxBitcoins += ivTarget.EntryShiftPrice * pair.Tick;
theorOptPxBitcoins = Math.Round(theorOptPxBitcoins / pair.Tick) * pair.Tick;
if ((!DoubleUtil.IsPositive(theorOptPxBitcoins)) || (!DoubleUtil.IsPositive(theorOptPxDollars)))
{
//string msg = String.Format("[DEBUG:{0}] Invalid theorOptPx:{1} for strike:{2}", GetType().Name, theorOptPx, nodeInfo.Strike);
//m_context.Log(msg, MessageType.Warning, true);
continue;
}
IOptionStrike optStrike = isCall ? pair.Call : pair.Put;
ISecurity sec = optStrike.Security;
double totalQty = posMan.GetTotalQty(sec, m_context.BarsCount, TotalProfitAlgo.AllPositions, ivTarget.IsLong);
// Поскольку котирование страйка по волатильности -- это вопрос набора нужного количества СТРЕДДЛОВ,
// то учитывать надо суммарный объём опционов как в колах, так и в путах.
// НО ЗАДАЧУ-ТО Я СТАВЛЮ ДЛЯ КОНКРЕТНОГО ИНСТРУМЕНТА!
// Как быть?
//double totalQty = posMan.GetTotalQty(pair.Put.Security, m_context.BarsCount, TotalProfitAlgo.AllPositions, ivTarget.IsLong);
//totalQty += posMan.GetTotalQty(pair.Call.Security, m_context.BarsCount, TotalProfitAlgo.AllPositions, ivTarget.IsLong);
double targetQty = Math.Abs(ivTarget.TargetShares) - totalQty;
// Если имеется дробный LotTick (как в Дерибит к примеру), то надо предварительно округлить
targetQty = sec.RoundShares(targetQty);
if (targetQty > 0)
{
string note = String.Format(CultureInfo.InvariantCulture,
"{0}; ActQty:{1}; Px:{2}; IV:{3:P2}",
ivTarget.EntryNotes, targetQty, theorOptPxBitcoins, sigma);
if (ivTarget.IsLong)
{
posMan.BuyAtPrice(m_context, sec, targetQty, theorOptPxBitcoins, ivTarget.EntrySignalName, note);
}
else
{
posMan.SellAtPrice(m_context, sec, targetQty, theorOptPxBitcoins, ivTarget.EntrySignalName, note);
}
}
else
{
string msg = String.Format(CultureInfo.InvariantCulture,
"IvTarget cancelled. SignalName:{0}; Notes:{1}", ivTarget.EntrySignalName, ivTarget.EntryNotes);
posMan.CancelVolatility(m_context, ivTarget, msg);
// TODO: потом убрать из ГЛ
m_context.Log(msg, MessageType.Info, true, new Dictionary <string, object> {
{ "VOLATILITY_ORDER_CANCELLED", msg }
});
}
}
}
#endregion 4. Котирование
#region 5. Торговля
if (m_executeCommand && (!DoubleUtil.IsZero(m_qty)))
{
double k;
if ((!Double.TryParse(m_strike, out k)) &&
(!Double.TryParse(m_strike, NumberStyles.Any, CultureInfo.InvariantCulture, out k)))
{
return(res);
}
var pair = (from p in pairs where DoubleUtil.AreClose(k, p.Strike) select p).SingleOrDefault();
if (pair == null)
{
return(res);
}
InteractiveObject obj = (from o in controlPoints where DoubleUtil.AreClose(k, o.Anchor.ValueX) select o).SingleOrDefault();
if (obj == null)
{
return(res);
}
// TODO: для режима котирования в абсолютных числах сделать отдельную ветку
//double iv = obj.Anchor.ValueY;
const QuoteIvMode QuoteMode = QuoteIvMode.Relative;
if (posMan.BlockTrading)
{
string msg = String.Format(RM.GetString("OptHandlerMsg.PositionsManager.TradingBlocked"),
m_context.Runtime.TradeName + ":QuoteIv");
m_context.Log(msg, MessageType.Warning, true);
return(res);
}
// Выбираю тип инструмента пут или колл?
bool isCall;
if (m_optionType == StrikeType.Call)
{
isCall = true;
}
else if (m_optionType == StrikeType.Put)
{
isCall = false;
}
else
{
isCall = (futPx <= k);
}
double iv = m_shiftIv;
int shift = m_shiftPriceStep;
var option = isCall ? pair.Call : pair.Put;
if (m_qty > 0)
{
// Пересчитываю целочисленный параметр Qty в фактические лоты конкретного инструмента
double actQty = m_qty * option.LotTick;
string sigName = String.Format(CultureInfo.InvariantCulture,
"Qty:{0}; IV:{1:P2}+{2}; dT:{3}; Mode:{4}", actQty, iv, shift, dT, QuoteMode);
posMan.BuyVolatility(m_context, option, Math.Abs(actQty), QuoteMode, iv, shift, "BuyVola", sigName);
m_context.Log(sigName, MessageType.Info, false);
}
else if (m_qty < 0)
{
// Пересчитываю целочисленный параметр Qty в фактические лоты конкретного инструмента
double actQty = m_qty * option.LotTick;
string sigName = String.Format(CultureInfo.InvariantCulture,
"Qty:{0}; IV:{1:P2}+{2}; dT:{3}; Mode:{4}", actQty, iv, shift, dT, QuoteMode);
posMan.SellVolatility(m_context, option, Math.Abs(actQty), QuoteMode, iv, shift, "SellVola", sigName);
m_context.Log(sigName, MessageType.Info, false);
}
}
#endregion 5. Торговля
return(res);
}
/// <summary>
/// UpdateElementBounds:
/// Called by InkCanvasSelection.UpdateElementBounds
/// ClipboardProcessor.CopySelectionInXAML
/// </summary>
/// <param name="originalElement"></param>
/// <param name="updatedElement"></param>
/// <param name="transform"></param>
internal void UpdateElementBounds(UIElement originalElement, UIElement updatedElement, Matrix transform)
{
if (originalElement.DependencyObjectType.Id == updatedElement.DependencyObjectType.Id)
{
// Get the transform from element to Canvas
GeneralTransform elementToCanvas = originalElement.TransformToAncestor(_inkCanvas.InnerCanvas);
//cast to a FrameworkElement, nothing inherits from UIElement besides it right now
FrameworkElement frameworkElement = originalElement as FrameworkElement;
Size size;
Thickness thickness = new Thickness();
if (frameworkElement == null)
{
// Get the element's render size.
size = originalElement.RenderSize;
}
else
{
size = new Size(frameworkElement.ActualWidth, frameworkElement.ActualHeight);
thickness = frameworkElement.Margin;
}
Rect elementBounds = new Rect(0, 0, size.Width, size.Height); // Rect in element space
elementBounds = elementToCanvas.TransformBounds(elementBounds); // Rect in Canvas space
// Now apply the matrix to the element bounds
Rect newBounds = Rect.Transform(elementBounds, transform);
if (!DoubleUtil.AreClose(elementBounds.Width, newBounds.Width))
{
if (frameworkElement == null)
{
Size newSize = originalElement.RenderSize;
newSize.Width = newBounds.Width;
updatedElement.RenderSize = newSize;
}
else
{
((FrameworkElement)updatedElement).Width = newBounds.Width;
}
}
if (!DoubleUtil.AreClose(elementBounds.Height, newBounds.Height))
{
if (frameworkElement == null)
{
Size newSize = originalElement.RenderSize;
newSize.Height = newBounds.Height;
updatedElement.RenderSize = newSize;
}
else
{
((FrameworkElement)updatedElement).Height = newBounds.Height;
}
}
double left = InkCanvas.GetLeft(originalElement);
double top = InkCanvas.GetTop(originalElement);
double right = InkCanvas.GetRight(originalElement);
double bottom = InkCanvas.GetBottom(originalElement);
Point originalPosition = new Point(); // Default as (0, 0)
if (!double.IsNaN(left))
{
originalPosition.X = left;
}
else if (!double.IsNaN(right))
{
originalPosition.X = right;
}
if (!double.IsNaN(top))
{
originalPosition.Y = top;
}
else if (!double.IsNaN(bottom))
{
originalPosition.Y = bottom;
}
Point newPosition = originalPosition * transform;
if (!double.IsNaN(left))
{
InkCanvas.SetLeft(updatedElement, newPosition.X - thickness.Left); // Left wasn't auto
}
else if (!double.IsNaN(right))
{
// NOTICE-2005/05/05-WAYNEZEN
// Canvas.RightProperty means the distance between element right side and its parent Canvas
// right side. The same definition is applied to Canvas.BottomProperty
InkCanvas.SetRight(updatedElement, (right - (newPosition.X - originalPosition.X))); // Right wasn't not auto
}
else
{
InkCanvas.SetLeft(updatedElement, newPosition.X - thickness.Left); // Both Left and Right were aut. Modify Left by default.
}
if (!double.IsNaN(top))
{
InkCanvas.SetTop(updatedElement, newPosition.Y - thickness.Top); // Top wasn't auto
}
else if (!double.IsNaN(bottom))
{
InkCanvas.SetBottom(updatedElement, (bottom - (newPosition.Y - originalPosition.Y))); // Bottom wasn't not auto
}
else
{
InkCanvas.SetTop(updatedElement, newPosition.Y - thickness.Top); // Both Top and Bottom were aut. Modify Left by default.
}
}
else
{
Debug.Assert(false, "The updatedElement has to be the same type as the originalElement.");
}
}
public static FrameworkElement GetLastVisibleContainer(
DataGridControl gridControl,
FrameworkElement container,
ScrollViewer scrollViewer)
{
FrameworkElement retval = null;
if (ScrollViewerHelper.IsPixelScrolling(gridControl, container, scrollViewer) == false)
{
//This means that the panel is performing Item Scrolling
//if the panel is Vertically scrolling the items (means the Horizontal Axis is Pixel scrolling)
if (ScrollViewerHelper.GetItemScrollingOrientation(gridControl, container, scrollViewer) == Orientation.Vertical)
{
retval = ScrollViewerHelper.ProcessLastVisibleContainer(gridControl,
scrollViewer.VerticalOffset,
scrollViewer.ViewportHeight,
scrollViewer.HorizontalOffset,
scrollViewer.ViewportWidth,
Orientation.Vertical);
}
//the panel is Horizontally scrolling the items (means the Vertically Axis is Pixel scrolling)
else
{
retval = ScrollViewerHelper.ProcessLastVisibleContainer(gridControl,
scrollViewer.HorizontalOffset,
scrollViewer.ViewportWidth,
scrollViewer.VerticalOffset,
scrollViewer.ViewportHeight,
Orientation.Horizontal);
}
}
else
{
Point pt = new Point();
if ((container is VirtualizingPanel) ||
(container is DataGridItemsHost) ||
(scrollViewer == null))
{
pt.X = 0;
pt.Y = 0;
}
else
{
pt.X = scrollViewer.HorizontalOffset;
pt.Y = scrollViewer.VerticalOffset;
}
Size size = new Size((scrollViewer != null) ? scrollViewer.ViewportWidth : container.ActualWidth,
(scrollViewer != null) ? scrollViewer.ViewportHeight : container.ActualHeight);
Rect visibleRect = new Rect(pt, size);
RectangleGeometry geo = new RectangleGeometry(visibleRect);
lock (ScrollViewerHelper.Current)
{
m_sVisibleChildList.Clear();
m_sGridControl = gridControl;
VisualTreeHelper.HitTest(container,
new HitTestFilterCallback(ScrollViewerHelper.MyFilterFunct),
new HitTestResultCallback(ScrollViewerHelper.UselessResultCallback),
new GeometryHitTestParameters(geo));
m_sGridControl = null;
FrameworkElement preservedChild = null;
Nullable <Vector> preservedOffset = null;
foreach (FrameworkElement child in m_sVisibleChildList)
{
Vector itemOffset = VisualTreeHelper.GetOffset(child);
Rect itemRect = new Rect(itemOffset.X, itemOffset.Y, child.ActualWidth, child.ActualHeight);
itemRect.Intersect(visibleRect);
switch (gridControl.ItemsPrimaryAxis)
{
case PrimaryAxis.Vertical:
if (DoubleUtil.AreClose(itemRect.Width, 0) == false)
{
if (DoubleUtil.AreClose(itemRect.Height, child.ActualHeight) == true)
{
if (ScrollViewerHelper.IsABetterLastRow(preservedChild, preservedOffset, itemOffset) == true)
{
preservedChild = child;
preservedOffset = itemOffset;
}
}
}
break;
case PrimaryAxis.Horizontal:
if (DoubleUtil.AreClose(itemRect.Width, child.ActualWidth) == true)
{
if (DoubleUtil.AreClose(itemRect.Height, 0) == false)
{
if (ScrollViewerHelper.IsABetterLastRow(preservedChild, preservedOffset, itemOffset) == true)
{
preservedChild = child;
preservedOffset = itemOffset;
}
}
}
break;
case PrimaryAxis.Both:
if ((DoubleUtil.AreClose(itemRect.Width, child.ActualWidth) == true) &&
(DoubleUtil.AreClose(itemRect.Height, child.ActualHeight) == true))
{
if (ScrollViewerHelper.IsABetterLastRow(preservedChild, preservedOffset, itemOffset) == true)
{
preservedChild = child;
preservedOffset = itemOffset;
}
}
break;
case PrimaryAxis.None:
if (itemRect.IsEmpty == false)
{
if ((DoubleUtil.AreClose(itemRect.Height, 0) == false) && (DoubleUtil.AreClose(itemRect.Width, 0) == false))
{
if (ScrollViewerHelper.IsABetterLastRow(preservedChild, preservedOffset, itemOffset) == true)
{
preservedChild = child;
preservedOffset = itemOffset;
}
}
}
break;
}
}
retval = preservedChild;
}//end lock (protection of shared static members with GetFirstVisibleItem() )
}
return(retval);
}
// Token: 0x06007033 RID: 28723 RVA: 0x00203B70 File Offset: 0x00201D70
protected sealed override Size ArrangeOverride(Size arrangeSize)
{
Rect empty = Rect.Empty;
bool flag = false;
Size size = arrangeSize;
if (!this._suspendLayout)
{
TextDpi.SnapToTextDpi(ref size);
if (this.Document != null)
{
this.EnsureFormatter();
if (this._scrollData != null)
{
if (!DoubleUtil.AreClose(this._scrollData.Viewport, size))
{
this._scrollData.Viewport = size;
flag = true;
}
if (!DoubleUtil.AreClose(this._scrollData.Extent, this._formatter.DocumentPage.Size))
{
this._scrollData.Extent = this._formatter.DocumentPage.Size;
flag = true;
if (Math.Abs(this._scrollData.ExtentWidth - this._scrollData.ViewportWidth) < 1.0)
{
this._scrollData.ExtentWidth = this._scrollData.ViewportWidth;
}
if (Math.Abs(this._scrollData.ExtentHeight - this._scrollData.ViewportHeight) < 1.0)
{
this._scrollData.ExtentHeight = this._scrollData.ViewportHeight;
}
}
Vector vector = new Vector(Math.Max(0.0, Math.Min(this._scrollData.ExtentWidth - this._scrollData.ViewportWidth, this._scrollData.HorizontalOffset)), Math.Max(0.0, Math.Min(this._scrollData.ExtentHeight - this._scrollData.ViewportHeight, this._scrollData.VerticalOffset)));
if (!DoubleUtil.AreClose(vector, this._scrollData.Offset))
{
this._scrollData.Offset = vector;
flag = true;
}
if (flag && this._scrollData.ScrollOwner != null)
{
this._scrollData.ScrollOwner.InvalidateScrollInfo();
}
empty = new Rect(this._scrollData.HorizontalOffset, this._scrollData.VerticalOffset, size.Width, size.Height);
}
this._formatter.Arrange(size, empty);
if (this._pageVisual != this._formatter.DocumentPage.Visual)
{
if (this._textView != null)
{
this._textView.OnPageConnected();
}
if (this._pageVisual != null)
{
base.RemoveVisualChild(this._pageVisual);
}
this._pageVisual = (PageVisual)this._formatter.DocumentPage.Visual;
base.AddVisualChild(this._pageVisual);
}
if (this._scrollData != null)
{
this._pageVisual.Offset = new Vector(-this._scrollData.HorizontalOffset, -this._scrollData.VerticalOffset);
}
PtsHelper.UpdateMirroringTransform(base.FlowDirection, FlowDirection.LeftToRight, this._pageVisual, size.Width);
}
else
{
if (this._pageVisual != null)
{
if (this._textView != null)
{
this._textView.OnPageDisconnected();
}
base.RemoveVisualChild(this._pageVisual);
this._pageVisual = null;
}
if (this._scrollData != null)
{
if (!DoubleUtil.AreClose(this._scrollData.Viewport, size))
{
this._scrollData.Viewport = size;
flag = true;
}
if (!DoubleUtil.AreClose(this._scrollData.Extent, default(Size)))
{
this._scrollData.Extent = default(Size);
flag = true;
}
if (!DoubleUtil.AreClose(this._scrollData.Offset, default(Vector)))
{
this._scrollData.Offset = default(Vector);
flag = true;
}
if (flag && this._scrollData.ScrollOwner != null)
{
this._scrollData.ScrollOwner.InvalidateScrollInfo();
}
}
}
}
return(arrangeSize);
}
/// <summary>
/// HitTest a line array and find the index of line hit in horizontal direction.
/// Assumes that vertical hittesting has been already done and lineIndex points to
/// index of line that has been hit in vertical direction.
/// </summary>
/// <param name="lines">Collection of lines.</param>
/// <param name="point">Point in pixel coordinates to test.</param>
/// <param name="snapToText">
/// If true, this method must always return a line index
/// (the closest position as calculated by the control's heuristics).
/// If false, this method should return -1, if the test
/// point does not fall within any character bounding box.
/// </param>
/// <param name="lineIndex">Index of line that has been hit.</param>
/// <returns>True if hit has been found.</returns>
private static bool GetHorizontalLineFromPoint(ReadOnlyCollection <LineResult> lines, Point point, bool snapToText, ref int lineIndex)
{
Debug.Assert(lines != null && lines.Count > 0);
bool foundHit = false;
bool lookForSiblings = true;
// It is possible to have successive lines with the same
// vertical offset. It may happen when a line of text is split
// because of figure/floater.
// Figure out which line is the closest horizontally to the input pixel position.
while (lookForSiblings)
{
Rect lineBox = lines[lineIndex].LayoutBox;
Rect siblingLineBox;
double siblingGap;
// Check sibling lines.
if (point.X < lineBox.X && lineIndex > 0)
{
// Check if the previous line starts at the same vertical position.
siblingLineBox = lines[lineIndex - 1].LayoutBox;
if (DoubleUtil.AreClose(siblingLineBox.Y, lineBox.Y))
{
if (point.X <= siblingLineBox.X + siblingLineBox.Width)
{
--lineIndex;
}
else
{
siblingGap = Math.Max(lineBox.X - (siblingLineBox.X + siblingLineBox.Width), 0);
if (point.X < lineBox.X - siblingGap / 2)
{
--lineIndex;
}
foundHit = snapToText;
lookForSiblings = false;
break;
}
}
else
{
foundHit = snapToText;
lookForSiblings = false;
break;
}
}
else if ((point.X > lineBox.X + lineBox.Width) && (lineIndex < lines.Count - 1))
{
// Check if the next line starts at the same vertical position.
siblingLineBox = lines[lineIndex + 1].LayoutBox;
if (DoubleUtil.AreClose(siblingLineBox.Y, lineBox.Y))
{
if (point.X >= siblingLineBox.X)
{
++lineIndex;
}
else
{
siblingGap = Math.Max(siblingLineBox.X - (lineBox.X + lineBox.Width), 0);
if (point.X > siblingLineBox.X - siblingGap / 2)
{
++lineIndex;
}
foundHit = snapToText;
lookForSiblings = false;
break;
}
}
else
{
foundHit = snapToText;
lookForSiblings = false;
break;
}
}
else
{
foundHit = snapToText || (point.X >= lineBox.X && point.X <= lineBox.X + lineBox.Width);
lookForSiblings = false;
break;
}
}
return(foundHit);
}
