internal RadSize MeasureContent(RadSize newAvailableSize)
{
var size = this.layoutController.MeasureContent(newAvailableSize);
if (this.ShouldAutoRequestItems(null))
{
LoadMoreDataContext context = new LoadMoreDataContext {
View = this.View, DataContext = this.View.GetDataContext()
};
this.View.CommandService.ExecuteCommand(CommandId.LoadMoreData, context);
}
// NOTE: If we decide that we won't zero the length of collapsed rows then this 'TotalLineCount - 1' will be incorrect.
// this.desiredSize = new RadSize(this.columnLayout.RenderInfo.OffsetFromIndex(this.columnLayout.TotalLineCount - 1), this.rowLayout.RenderInfo.OffsetFromIndex(this.rowLayout.TotalLineCount - 1));
// return this.desiredSize;
return(size);
}
public void Measure(RadSize availableSize)
{
this.desiredWidth = 0;
this.desiredHeight = 0;
for (int i = 0; i < this.axes.Count; i++)
{
AxisModel axis = this.axes[i];
axis.Measure(availableSize);
this.desiredWidth = this.desiredWidth + axis.desiredSize.Width;
this.desiredHeight = this.desiredHeight + axis.desiredSize.Height;
RadThickness margin = axis.desiredMargin;
this.desiredMargin.Left = Math.Max(this.desiredMargin.Left, margin.Left);
this.desiredMargin.Top = Math.Max(this.desiredMargin.Top, margin.Top);
this.desiredMargin.Right = Math.Max(this.desiredMargin.Right, margin.Right);
this.desiredMargin.Bottom = Math.Max(this.desiredMargin.Bottom, margin.Bottom);
}
}
internal override RadRect ArrangeOverride(RadRect availableRect)
{
if (this.presenter == null || !this.presenter.IsVisible)
{
this.desiredArrangeRect = RadRect.Empty;
return(availableRect);
}
RadSize availableSize = new RadSize(availableRect.Width, availableRect.Height);
if (availableSize != this.lastMeasureSize)
{
this.Measure(availableSize);
}
this.layoutStrategy.Arrange(availableRect);
this.desiredArrangeRect = availableRect;
return(availableRect);
}
private RadSize GetDefaultVisualSize()
{
if (this.defaultVisualSize == RadSize.Invalid)
{
if (this.defaultVisualStyleCache != null)
{
this.defaultVisualSize = GetSizeFromStyle(this.defaultVisualStyleCache);
}
}
if (this.defaultVisualSize == RadSize.Empty)
{
this.defaultVisualSize = this.DefaultVisualSize;
}
return(this.defaultVisualSize);
}
internal override RadSize ComputeDesiredSize(MeasureContext context)
{
RadSize desiredSize;
if (this.IsHorizontal)
{
desiredSize = new RadSize(context.GeneratedLength, context.MaxLength);
desiredSize.Width = Math.Min(desiredSize.Width, context.AvailableLength);
desiredSize.Height = Math.Max(desiredSize.Height, ListViewModel.DoubleArithmetics.Ceiling(this.AvailableSize.Height));
}
else
{
desiredSize = new RadSize(Math.Max(AvailableSize.Width, context.MaxLength), Math.Min(context.AvailableLength, context.GeneratedLength));
}
return(desiredSize);
}
private MeasureContext MeasureHorizontalFrozenElements(RadSize availableSize, int frozenContainersCount)
{
var context = new MeasureContext();
context.InitializeForHorizontalMeasure(this, availableSize);
if (frozenContainersCount == 0)
{
return(context);
}
var firstContainerDesiredSize = new RadSize();
var lastContainerDesiredSize = new RadSize();
using (var itemInfos = this.layout.GetLines(context.FirstVisibleIndex, true).GetEnumerator())
{
if (itemInfos.MoveNext())
{
firstContainerDesiredSize = this.GenerateContainer(itemInfos.Current);
context.ForwardGeneratedLength = context.GetLength(firstContainerDesiredSize);
context.MaxLength = Math.Max(context.MaxLength, context.GetOppositeLength(firstContainerDesiredSize));
// Take the length portion of the indexed element that is not currently in viewport.
this.HiddenPixels = GridModel.DoubleArithmetics.Floor(context.ForwardGeneratedLength * (context.Index % 1));
context.ForwardGeneratedLength -= this.HiddenPixels;
context.ForwardGeneratedLength = GridModel.DoubleArithmetics.Ceiling(context.ForwardGeneratedLength);
lastContainerDesiredSize = firstContainerDesiredSize;
this.ViewportItemCount++;
}
while (frozenContainersCount - 1 > context.LastVisibleIndex && GridModel.DoubleArithmetics.IsLessThan(context.ForwardGeneratedLength, context.AvailableLength) && itemInfos.MoveNext())
{
context.LastVisibleIndex++;
lastContainerDesiredSize = this.GenerateContainer(itemInfos.Current);
context.ForwardGeneratedLength += context.GetLength(lastContainerDesiredSize);
context.MaxLength = Math.Max(context.MaxLength, context.GetOppositeLength(lastContainerDesiredSize));
this.ViewportItemCount++;
}
}
return(context);
}
protected override bool BuildTicksAndLabels(RadSize availableSize)
{
bool result = base.BuildTicksAndLabels(availableSize);
// last tick and label should not be visible
AxisTickModel lastTick = this.LastTick;
if (lastTick != null)
{
lastTick.isVisible = false;
if (lastTick.associatedLabel != null)
{
lastTick.associatedLabel.isVisible = false;
}
}
return(result);
}
private void ArrangeTimerRuler(RadRect viewRect)
{
CalendarModel model = this.Calendar;
MultiDayViewSettings settings = model.multiDayViewSettings;
DateTime currentDate = model.DisplayDate.Date;
double timeWidth = this.dayViewLayoutSlot.X - viewRect.X;
TimeSpan timeSlotTime = settings.DayStartTime;
string textToMeasure = string.Format(this.Calendar.Culture, this.Calendar.TimeFormat, currentDate.Add(timeSlotTime));
RadSize timeTextSize = model.View.MeasureContent(null, textToMeasure);
this.halfTextHeight = timeTextSize.Height / 2;
double previousBottom = viewRect.Y - this.halfTextHeight;
string labelText = string.Empty;
double heightCoeff;
double timeItemHeight;
double oneHourTicks = (double)TimeSpan.FromHours(1).Ticks;
for (int hourIndex = 0; hourIndex < this.timeRulerItems.Count; hourIndex++)
{
CalendarTimeRulerItem timerRulerItem = this.timeRulerItems[hourIndex];
timerRulerItem.StartTime = timeSlotTime;
timerRulerItem.Label = labelText;
timeSlotTime = timeSlotTime.Add(TimeSpan.FromTicks(settings.TimerRulerTickLength.Ticks));
if (timeSlotTime > settings.DayEndTime)
{
timeSlotTime = settings.DayEndTime;
}
timerRulerItem.EndTime = timeSlotTime;
heightCoeff = (timerRulerItem.EndTime - timerRulerItem.StartTime).Ticks / oneHourTicks;
timeItemHeight = settings.TimeLinesSpacing * heightCoeff;
timerRulerItem.Arrange(new RadRect(0f, previousBottom, timeWidth, timeItemHeight + this.halfTextHeight));
previousBottom = timerRulerItem.layoutSlot.Bottom - this.halfTextHeight;
labelText = string.Format(this.Calendar.Culture, this.Calendar.TimeFormat, currentDate.Add(timeSlotTime));
}
}
internal RadSize MeasureEmptyContent(RadSize availableSize, bool displayEmptyContent)
{
RadSize measuredSize = RadSize.Empty;
if (this.emptyContentControl != null)
{
if (displayEmptyContent)
{
this.emptyContentControl.Visibility = Visibility.Visible;
this.emptyContentControl.Measure(availableSize.ToSize());
var width = double.IsInfinity(availableSize.Width) ? this.emptyContentControl.Width : Math.Max(availableSize.Width, this.emptyContentControl.DesiredSize.Width);
if (double.IsNaN(width))
{
width = 0;
}
var height = 0d;
if (double.IsInfinity(availableSize.Height))
{
height = this.emptyContentControl.DesiredSize.Height;
}
else
{
height = Math.Max(availableSize.Height, this.emptyContentControl.DesiredSize.Height);
}
if (double.IsNaN(height))
{
height = 0;
}
measuredSize = new RadSize(width, height);
}
else
{
this.emptyContentControl.Visibility = Visibility.Collapsed;
}
}
return(measuredSize);
}
private RadSize MeasureHorizontally(RadSize availableSize, double offset, int frozenElementsCount)
{
var context = new MeasureContext()
{
Offset = offset
};
if (frozenElementsCount > 0)
{
var frozenGeneratedContext = this.MeasureHorizontalFrozenElements(availableSize, frozenElementsCount);
context.InitializeForHorizontalMeasure(this, availableSize, frozenGeneratedContext);
}
else
{
context.InitializeForHorizontalMeasure(this, availableSize);
}
this.AvailableLength = context.AvailableLength;
this.MeasureForward(ref context);
if (context.AvailableLength - context.ForwardGeneratedLength > GridModel.DoubleArithmetics.Ceiling(1d / IndexStorage.PrecisionMultiplier))
{
if (context.FirstVisibleIndex + this.ViewportItemCount < this.layout.VisibleLineCount)
{
// perform the measure logic again, since this difference will most probably occur when the Index tree is cleared before the measure pass
this.RecycleLocally();
context.InitializeForHorizontalMeasure(this, availableSize);
this.MeasureForward(ref context);
}
}
context.FirstVisibleIndex -= this.owner.FrozenColumnCount;
this.MeasureBackwards(ref context);
var desiredSize = new RadSize(context.GeneratedLength, context.MaxLength);
desiredSize.Width = Math.Min(desiredSize.Width, context.AvailableLength);
desiredSize.Height = Math.Min(desiredSize.Height, GridModel.DoubleArithmetics.Ceiling(availableSize.Height));
this.Layout.UpdateAverageLength(context.FirstVisibleIndex, context.LastVisibleIndex);
return(desiredSize);
}
private RadSize MeasureVertically(RadSize availableSize, double offset, double bufferScale)
{
var context = new MeasureContext()
{
Offset = offset,
BufferScale = bufferScale
};
context.InitializeForVerticalMeasure(this, availableSize);
this.AvailableLength = context.AvailableLength;
// Always start with frozen containers unitl we generate row with cells.
this.shouldGenerateFrozenContainer = true;
if (this.IsBufferNeeded)
{
context.FirstVisibleIndex = this.GenerateTopBufferItems(context.FirstVisibleIndex, context.AvailableLength, context.Offset, context);
context.LastVisibleIndex = context.FirstVisibleIndex;
}
this.MeasureForward(ref context);
////TODO: We may need an additional synchronous measure pass in case less generated length (as in the Horizontal measure)
this.MeasureBackwards(ref context);
if (this.IsBufferNeeded)
{
this.GenerateBottomBufferItems(context.LastVisibleIndex, context.AvailableLength, context);
}
this.GenerateFrozenContainers();
var desiredSize = new RadSize(context.MaxLength, context.GeneratedLength);
desiredSize.Width = Math.Min(desiredSize.Width, GridModel.DoubleArithmetics.Ceiling(availableSize.Width));
desiredSize.Height = Math.Min(desiredSize.Height, context.AvailableLength);
this.Layout.UpdateAverageLength(context.FirstVisibleIndex, context.LastVisibleIndex);
return(desiredSize);
}
internal override RadThickness GetDesiredMargin(RadSize availableSize)
{
RadThickness margin = new RadThickness();
if (this.maxLabelHeight == 0 || this.owner.LastLabelVisibility != AxisLastLabelVisibility.Visible)
{
return(margin);
}
double labelOffset = 0;
if (this.owner.ActualPlotMode == AxisPlotMode.OnTicks)
{
labelOffset = (int)(this.maxLabelHeight / 2);
margin.Top = labelOffset;
}
return(margin);
}
public RadSize MeasureContent(RadSize newAvailableSize)
{
RadSize resultSize;
if (this.strategy.IsHorizontal)
{
resultSize = this.MeasureHorizontal(newAvailableSize);
}
else
{
resultSize = this.MeasureVertical(newAvailableSize);
}
this.strategy.RecycleAfterMeasure();
this.model.View.ItemCheckBoxService.GenerateVisuals();
this.strategy.GenerateFrozenContainers();
return(resultSize);
}
internal virtual RadRect ApplyLayoutSlotAlignment(GridCellModel cell)
{
FrameworkElement element = cell.Container as FrameworkElement;
if (element == null)
{
return(cell.layoutSlot);
}
RadSize desiredSize = cell.DesiredSize;
RadRect layoutSlot = cell.layoutSlot;
if (desiredSize.Width < layoutSlot.Width)
{
switch (element.HorizontalAlignment)
{
case HorizontalAlignment.Center:
layoutSlot.X += (layoutSlot.Width - desiredSize.Width) / 2;
break;
case HorizontalAlignment.Right:
layoutSlot.X = layoutSlot.Right - desiredSize.Width;
break;
}
}
if (desiredSize.Height < layoutSlot.Height)
{
switch (element.VerticalAlignment)
{
case VerticalAlignment.Center:
layoutSlot.Y += (layoutSlot.Height - desiredSize.Height) / 2;
break;
case VerticalAlignment.Bottom:
layoutSlot.Y = layoutSlot.Bottom - desiredSize.Height;
break;
}
}
return(layoutSlot);
}
private void UpdateTotalLabelHeight(RadSize availableSize)
{
// we asume that all labels have almost same width and we take the maximum of all
// TODO: This is not always true, we need a more extended algorithm which will build lines dynamically
double totalLabelWidth = this.owner.labels.Count * this.maxLabelWidth;
this.totalLabelWidthToAvailableWidth = (int)(totalLabelWidth / availableSize.Width) + 1;
if (this.totalLabelWidthToAvailableWidth > this.owner.labels.Count)
{
this.totalLabelWidthToAvailableWidth = this.owner.labels.Count;
}
this.shouldFitLabelsMultiLine = this.totalLabelWidthToAvailableWidth > 1 ? 1 : 0;
this.totalLabelHeight = this.maxLabelHeight;
if (this.owner.LabelFitMode == AxisLabelFitMode.MultiLine)
{
this.totalLabelHeight *= this.totalLabelWidthToAvailableWidth;
}
}
private void MeasureCore(RadSize availableSize)
{
this.BuildTicksAndLabels(availableSize);
foreach (AxisLabelModel label in this.labels)
{
// We may enter one or more additional measure passes until all axes are best fit,
// so do not re-measure already measured labels.
if (label.desiredSize == RadSize.Empty)
{
label.desiredSize = this.presenter.MeasureContent(label, label.Content);
}
}
if (this.title.desiredSize == RadSize.Empty)
{
this.title.desiredSize = this.presenter.MeasureContent(this.title, this.title.Content);
}
this.desiredSize = this.layoutStrategy.GetDesiredSize(availableSize);
this.desiredMargin = this.layoutStrategy.GetDesiredMargin(availableSize);
}
private RadSize MeasureDataPoint(DataPoint point)
{
if (point.desiredSize != RadSize.Invalid)
{
return(point.desiredSize);
}
DataTemplate template = this.GetDataTemplate(point);
if (template == null)
{
if (this.SupportsDefaultVisuals)
{
return(this.GetDefaultVisualSize());
}
return(RadSize.Empty);
}
RadSize cachedSize;
if (this.pointSizeCache.TryGetValue(template, out cachedSize))
{
return(cachedSize);
}
this.measurementPresenter.Content = point;
this.measurementPresenter.ContentTemplate = template;
this.measurementPresenter.ClearValue(FrameworkElement.WidthProperty);
this.measurementPresenter.ClearValue(FrameworkElement.HeightProperty);
this.measurementPresenter.Measure(RadChartBase.InfinitySize);
RadSize size = new RadSize((int)(this.measurementPresenter.DesiredSize.Width + .5), (int)(this.measurementPresenter.DesiredSize.Height + .5));
// cache the size
this.pointSizeCache.Add(template, size);
return(size);
}
internal override void Arrange(RadRect availableRect)
{
double thickness = this.owner.TickThickness;
double startAngle = this.StartAngle;
double radius = availableRect.Width / 2;
RadPoint center = availableRect.Center;
double length = this.owner.MajorTickLength;
RadPoint labelAxisCenter = RadMath.GetArcPoint(startAngle + 90, center, length * 2);
double angleInRad = (360 - startAngle) * RadMath.DegToRadFactor;
double sin = Math.Sin(angleInRad);
double cos = Math.Cos(angleInRad);
foreach (AxisTickModel tick in this.owner.ticks)
{
double tickRadius = (double)tick.normalizedValue * radius;
double tickLength = this.owner.GetTickLength(tick);
RadPoint tickPosition = RadMath.GetArcPoint(startAngle, center, tickRadius);
tick.Arrange(new RadRect(tickPosition.X, tickPosition.Y, thickness, tickLength));
if (tick.associatedLabel == null)
{
continue;
}
RadSize desiredSize = tick.associatedLabel.desiredSize;
double halfWidth = desiredSize.Width / 2;
double halfHeight = desiredSize.Height / 2;
RadPoint labelPosition = RadMath.GetArcPoint(startAngle, labelAxisCenter, tickRadius);
RadRect bounds = new RadRect(labelPosition.X - halfWidth, labelPosition.Y - halfHeight, desiredSize.Width, desiredSize.Height);
bounds.X += sin * halfWidth;
bounds.Y += cos * halfHeight;
tick.associatedLabel.Arrange(bounds);
}
}
protected override Size MeasureOverride(Size availableSize)
{
if (this.owner == null)
{
return(availableSize);
}
this.measuring = true;
this.availableSize = this.NormalizeAvailableSize(availableSize);
this.model.LineThickness = this.owner.Line.StrokeThickness;
this.model.Measure(new RadSize(this.availableSize.Width, this.availableSize.Height));
this.lastModelDesiredSize = this.model.DesiredSize;
this.UpdateLabels();
this.UpdateTicks();
Size desiredSize = new Size();
if (this.owner.Orientation == Orientation.Horizontal)
{
double desiredWidth = this.lastModelDesiredSize.Width;
desiredSize = new Size(desiredWidth, this.lastModelDesiredSize.Height);
}
else
{
double desiredHeight = this.lastModelDesiredSize.Height;
desiredSize = new Size(this.lastModelDesiredSize.Width, desiredHeight);
}
this.owner.Line.Measure(availableSize);
this.owner.ChangePropertyInternally(ScalePrimitive.AxisLineOffsetProperty, this.model.AxisLineOffset);
this.measuring = false;
return(desiredSize);
}
private void MeasureForward(ref MeasureContext context)
{
var firstContainerDesiredSize = new RadSize();
var lastContainerDesiredSize = new RadSize();
var lengthContext = this.GeneratedLengthContext;
using (var itemInfos = this.Layout.GetLines(context.FirstVisibleIndex, true).GetEnumerator())
{
if (itemInfos.MoveNext())
{
firstContainerDesiredSize = this.GenerateContainer(itemInfos.Current, context);
// context.ForwardGeneratedLength += context.GetLength(firstContainerDesiredSize);
context.ForwardGeneratedLength += lengthContext.GenerateLength(context.GetLength(firstContainerDesiredSize));
context.MaxLength = Math.Max(context.MaxLength, context.GetOppositeLength(firstContainerDesiredSize));
// Take the length portion of the indexed element that is not currently in viewport.
this.HiddenPixels = ListViewModel.DoubleArithmetics.Floor(context.GetLength(firstContainerDesiredSize) * (context.Index % 1));
context.ForwardGeneratedLength -= this.HiddenPixels;
context.ForwardGeneratedLength = ListViewModel.DoubleArithmetics.Ceiling(context.ForwardGeneratedLength);
lastContainerDesiredSize = firstContainerDesiredSize;
this.viewportItemsCount++;
}
while ((ListViewModel.DoubleArithmetics.IsLessThan(context.ForwardGeneratedLength, context.AvailableLength) /*|| double.IsInfinity(context.AvailableLength)*/) && itemInfos.MoveNext())
{
context.LastVisibleIndex++;
lastContainerDesiredSize = this.GenerateContainer(itemInfos.Current, context);
// context.ForwardGeneratedLength += context.GetLength(lastContainerDesiredSize);
context.ForwardGeneratedLength += lengthContext.GenerateLength(context.GetLength(lastContainerDesiredSize));
context.MaxLength = Math.Max(context.MaxLength, context.GetOppositeLength(lastContainerDesiredSize));
this.viewportItemsCount++;
}
}
}
private void MeasureBackwards(ref MeasureContext context)
{
if (context.AvailableLength - context.ForwardGeneratedLength > GridModel.DoubleArithmetics.Ceiling(1d / IndexStorage.PrecisionMultiplier))
{
if (context.FirstVisibleIndex + this.ViewportItemCount < this.layout.VisibleLineCount)
{
var firstContainerDesiredSize = new RadSize();
using (var itemInfos = this.layout.GetLines(context.FirstVisibleIndex - 1, false).GetEnumerator())
{
while (GridModel.DoubleArithmetics.IsLessThan(context.GeneratedLength, context.AvailableLength) && itemInfos.MoveNext())
{
context.FirstVisibleIndex--;
firstContainerDesiredSize = this.GenerateContainer(itemInfos.Current);
context.BackwardGeneratedLength += context.GetLength(firstContainerDesiredSize);
context.MaxLength = Math.Max(context.MaxLength, context.GetOppositeLength(firstContainerDesiredSize));
this.ViewportItemCount++;
}
}
}
}
}
internal RadSize ArrangeCells(RadSize finalSize)
{
this.lastArrangeSize = finalSize;
if ((this.pendingMeasureFlags & InvalidateMeasureFlags.Cells) == InvalidateMeasureFlags.Cells)
{
return(finalSize);
}
if (this.VisibleColumns.Count() == this.ColumnPool.ViewportItemCount)
{
bool columnsStretched = this.CellsController.TryStretchColumns(this.availableSize.Width);
if (columnsStretched && this.additionalStretchColumnsCount < MaxAdditionalStretchColumnsCount)
{
this.additionalStretchColumnsCount++;
this.GridView.RebuildUI();
return(finalSize);
}
this.additionalStretchColumnsCount = 0;
}
var result = this.RowPool.OnArrange(finalSize);
result = this.CellsController.OnCellsArrange(finalSize);
this.UpdateEditRow();
this.ArrangeEditorsPool(finalSize);
// Wait for cell to be arranged since arranging the frozen decorators need the cells lyaoutslot to arrange.
this.RowPool.ArrangeFrozenDecorators();
this.ArrangeLineDecorators(finalSize);
this.ApplyLayersClipping(result);
return(result);
}
internal override void Arrange(RadRect availableRect)
{
var polarArea = this.owner.GetChartArea <PolarChartAreaModel>();
RadRect tickRect = this.GetTicksArrangeRect(availableRect);
RadRect labelRect = this.GetLabelsArrangeRect(tickRect);
RadPoint tickCenter = tickRect.Center;
double tickRadius = tickRect.Width / 2;
RadPoint labelCenter = labelRect.Center;
double labelRadius = labelRect.Width / 2;
double tickThickness = this.owner.TickThickness;
foreach (AxisTickModel tick in this.owner.ticks)
{
if (!tick.isVisible)
{
continue;
}
double angle = polarArea.NormalizeAngle((double)tick.value);
RadPoint tickPosition = RadMath.GetArcPoint(angle, tickCenter, tickRadius);
tick.Arrange(new RadRect(tickPosition.X, tickPosition.Y, tickThickness, this.owner.GetTickLength(tick)));
if (tick.associatedLabel == null || !tick.associatedLabel.isVisible)
{
continue;
}
RadSize desiredSize = tick.associatedLabel.desiredSize;
RadPoint labelPosition = RadMath.GetArcPoint(angle, labelCenter, labelRadius);
labelPosition.X += desiredSize.Width * Math.Cos(angle * RadMath.DegToRadFactor) / 2;
labelPosition.Y += desiredSize.Height * Math.Sin(angle * RadMath.DegToRadFactor) / 2;
tick.associatedLabel.Arrange(new RadRect(labelPosition.X - (desiredSize.Width / 2), labelPosition.Y - (desiredSize.Height / 2), desiredSize.Width, desiredSize.Height));
}
}
public RadSize MeasureContent(RadSize newAvailableSize)
{
double heightToSubstract = 0;
var headerSize = this.MeasureHeader(newAvailableSize);
heightToSubstract += headerSize.Height;
var footerSize = this.MeasureFooter(newAvailableSize);
heightToSubstract += footerSize.Height;
this.availableSize = new RadSize(newAvailableSize.Width, newAvailableSize.Height - heightToSubstract);
var emptyContentSize = this.MeasureEmptyContent(this.availableSize);
var resultSize = this.strategy.MeasureContent(this.availableSize, this.owner.ScrollOffset, this.model.BufferScale);
this.strategy.RecycleAfterMeasure();
var emptyContentPosition = new RadSize(0, this.headerModel.LayoutSlot.Bottom + resultSize.Height);
this.UpdateEmptyContentLayoutSlotPosition(emptyContentPosition);
var footerPosition = new RadSize(0, this.emptyContentModel.LayoutSlot.Bottom);
this.UpdateFooterLayoutSlotPosition(footerPosition);
this.model.View.ItemCheckBoxService.GenerateVisuals();
this.strategy.GenerateFrozenContainers();
if (this.strategy.IsHorizontal)
{
return(new RadSize(resultSize.Width + this.emptyContentModel.LayoutSlot.Width, resultSize.Height + this.emptyContentModel.LayoutSlot.Height));
}
else
{
return(new RadSize(resultSize.Width + this.emptyContentModel.LayoutSlot.Width, resultSize.Height + this.emptyContentModel.LayoutSlot.Height + heightToSubstract));
}
}
internal override void TransformTitle(FrameworkElement title)
{
if (this.type == AxisType.First)
{
title.ClearValue(UIElement.RenderTransformProperty);
}
else
{
RadSize desiredSize = this.model.title.desiredSize;
TransformGroup transform = new TransformGroup();
transform.Children.Add(new RotateTransform()
{
Angle = -90
});
transform.Children.Add(new TranslateTransform()
{
Y = (desiredSize.Width / 2) + (desiredSize.Height / 2)
});
title.RenderTransform = transform;
}
}
private RadSize MeasureCell(GridCellModel cell)
{
ContentLayer layer = this.GetContentLayerForColumn(cell.Column);
// TODO: consider if content needs to be measured with constraint in stretch mode.
var availableWidth = cell.Column.SizeMode == DataGridColumnSizeMode.Fixed ? cell.Column.Width : double.PositiveInfinity;
RadSize size = GridModel.DoubleArithmetics.Ceiling(layer.MeasureCell(cell, availableWidth).ToRadSize());
if (this.HasHorizontalGridLines && !this.decorationLayerCache.IsFirstLine(cell.ParentRow.ItemInfo))
{
size.Height += this.GridLinesThickness;
}
if (this.HasVerticalGridLines)
{
size.Width += this.GridLinesThickness;
}
cell.DesiredSize = size;
cell.Column.AutoWidth = Math.Max(cell.Column.AutoWidth, size.Width);
return(cell.DesiredSize);
}
protected virtual bool BuildTicksAndLabels(RadSize availableSize)
{
ValueRange <decimal> newVisibleRange = this.layoutStrategy.GetVisibleRange(availableSize);
if (newVisibleRange == this.visibleRange)
{
return(false);
}
this.visibleRange = newVisibleRange;
// clear labels first, they are at the end of the children collection (performance improvement)
this.labels.Clear();
this.ticks.Clear();
// prepare ticks
this.UpdateTicks();
// update labels
this.UpdateLabels();
return(true);
}
internal override RadRect ArrangeOverride(RadRect rect)
{
double radius = rect.Width / 2;
RadPoint arcPosition;
RadPoint center = rect.Center;
foreach (CategoricalDataPoint point in this.DataPoints)
{
if (point.numericalPlot == null || point.categoricalPlot == null)
{
continue;
}
double pointRadius = point.numericalPlot.NormalizedValue * radius;
double angle = point.categoricalPlot.ConvertToAngle(this.GetChartArea() as PolarChartAreaModel);
arcPosition = RadMath.GetArcPoint(angle, center, pointRadius);
RadSize pointSize = point.Measure();
point.Arrange(new RadRect(arcPosition.X - (pointSize.Width / 2), arcPosition.Y - (pointSize.Height / 2), pointSize.Width, pointSize.Height), false);
}
return(rect);
}
public virtual RadSize MeasureContent(RadSize availableSize, double offset, double bufferScale)
{
this.RecycleLocally();
this.AvailableSize = availableSize;
this.InitializeForMeasure();
int visibleItemCount = this.Layout.VisibleLineCount;
if (visibleItemCount == 0)
{
this.Generator.FullyRecycleDecorators();
return(new RadSize());
}
if (this.IsHorizontal)
{
var resultSize = this.MeasureHorizontally(availableSize, offset, bufferScale);
// var width = this.Layout.TotalSlotCount > 0 ? this.Layout.PhysicalOffsetFromSlot(this.Layout.TotalSlotCount - 1) : 0;
var width = this.Layout.GetTotalLength();
var height = double.IsPositiveInfinity(availableSize.Height) ? resultSize.Height : availableSize.Height;
return(new RadSize(width, height));
}
else
{
var resultSize = this.MeasureVertically(availableSize, offset, bufferScale);
// var height = this.Layout.TotalSlotCount > 0 ? this.Layout.PhysicalOffsetFromSlot(this.Layout.TotalSlotCount - 1) : 0;
var height = this.Layout.GetTotalLength();
var width = double.IsPositiveInfinity(availableSize.Width) ? resultSize.Width : availableSize.Width;
return(new RadSize(width, height));
}
}
private void ArrangeFrozenLineDecorators(RadSize finalSize, ArrangeDataForDecorations verticalArrangement)
{
Dictionary <int, double> horizontalCellsData = new Dictionary <int, double>();
bool firstColumn = true;
double leftOffset = 0;
var lastColumnLine = 0;
foreach (var item in this.ColumnPool.GetFrozenDisplayedElements())
{
horizontalCellsData.Add(item.Value.Last().ItemInfo.LayoutInfo.Line, this.CellsController.GetSlotWidth(item.Key));
// NOTE: Remove when/if fallback to logical scrolling only.
if (firstColumn)
{
firstColumn = false;
int columnLine = item.Value.Last().ItemInfo.Slot;
leftOffset = columnLine - 1 >= 0 ? this.columnLayout.RenderInfo.OffsetFromIndex(columnLine - 1) : 0;
}
lastColumnLine = item.Value.Last().ItemInfo.LayoutInfo.Line;
}
if (horizontalCellsData.Count > 0)
{
// TODO: refactor to get gridlines thickness into account.
horizontalCellsData.Add(++lastColumnLine, 100);
}
var cellsWidth = finalSize.Width;
ArrangeDataForDecorations horizontalArrangement =
new ArrangeDataForDecorations(horizontalCellsData, this.RowPool.GetGroupSizes(), leftOffset, cellsWidth);
this.FrozenDecorationsController.Arrange(horizontalArrangement, verticalArrangement);
}
