internal void Invalidate()
{
Debug.WriteLine("GanttPanelColumnsPresenter.Invalidate()");
TimeUnits unit = (ParentPanel.ParentGanttChart.TimespanHeader.RowsPresenter.Children[ParentPanel.ParentGanttChart.TimespanHeader.RowsPresenter.Children.Count - 1] as TimespanHeaderRow).TimeUnit;
double totalWidth = 0d;
DateTime date = this.ParentPanel.CurrentTime;
this.Children.Clear();
while (totalWidth < this.ActualWidth)
{
GanttPanelColumnEventArgs e = new GanttPanelColumnEventArgs()
{
Column = new GanttPanelColumn()
{
RepresentedDate = date
}
};
ParentPanel.ParentGanttChart.RaiseGeneratingGanttPanelColumn(e);
if (!e.Cancel)
{
this.Children.Add(e.Column);
}
date = date.AddType(unit, 1);
double unitWidth = TimeUnitScalar.ConvertToPixels(date, unit);
totalWidth += unitWidth;
}
}
private void UpdateText()
{
if (Format == "WEEK")
{
Text = "Week " + TimeUnitScalar.GetWeekOfYear(this.DateTime).ToString();
}
else
{
Text = this.DateTime.ToString(this.Format, System.Globalization.CultureInfo.CurrentCulture);
}
}
protected override Size MeasureOverride(Size availableSize)
{
Debug.WriteLine("GanttPanelColumnsPresenter.MeasureOverride()");
TimeUnits unit = (ParentPanel.ParentGanttChart.TimespanHeader.RowsPresenter.Children[ParentPanel.ParentGanttChart.TimespanHeader.RowsPresenter.Children.Count - 1] as TimespanHeaderRow).TimeUnit;
foreach (GanttPanelColumn column in this.Children)
{
double unitWidth = TimeUnitScalar.ConvertToPixels(column.RepresentedDate, unit);
column.Measure(new Size(unitWidth, availableSize.Height));
}
return(base.MeasureOverride(availableSize));
}
protected override Size ArrangeOverride(Size finalSize)
{
Debug.WriteLine("GanttPanelColumnsPresenter.ArrangeOverride()");
TimeUnits unit = (ParentPanel.ParentGanttChart.TimespanHeader.RowsPresenter.Children[ParentPanel.ParentGanttChart.TimespanHeader.RowsPresenter.Children.Count - 1] as TimespanHeaderRow).TimeUnit;
foreach (GanttPanelColumn column in this.Children)
{
double unitWidth = TimeUnitScalar.ConvertToPixels(column.RepresentedDate, unit);
Rect r = new Rect(TimeUnitScalar.GetPosition(ParentPanel.CurrentTime, column.RepresentedDate), 0d, unitWidth, finalSize.Height);
column.Arrange(r);
}
return(base.ArrangeOverride(finalSize));
}
internal TimeSpan ConvertDistanceToTimeSpan(double distance)
{
return(TimeUnitScalar.GetTimespan(CurrentTime, distance));
}
internal double ConvertDateToPosition(DateTime date)
{
return(TimeUnitScalar.GetPosition(CurrentTime, date));
}
internal double GetPosition(DateTime d)
{
return(TimeUnitScalar.GetPosition(CurrentTime, d));
}
internal double GetWidth(DateTime time, TimeUnits timeUnit)
{
return(TimeUnitScalar.GetWidth(CurrentTime, time, timeUnit));
}
private void DrawChildBeginsAtParentEndLines()
{
bool isEquivolent = TimeUnitScalar.IsEquivolent(Dependency.ChildNode.StartDate, Dependency.ParentNode.EndDate, ParentPresenter.ParentPanel.ParentGanttChart.TimespanHeader.RowsPresenter.Children.Cast <TimespanHeaderRow>().Last().TimeUnit);
bool inverted = isEquivolent || (Dependency.ChildNode.StartDate <= Dependency.ParentNode.EndDate);
int parentIndex = ParentPresenter.ParentPanel.Nodes.IndexOf(Dependency.ParentNode);
int childIndex = ParentPresenter.ParentPanel.Nodes.IndexOf(Dependency.ChildNode);
bool parentAboveChild = parentIndex < childIndex;
double startX = TimeUnitScalar.GetPosition(ParentPresenter.ParentPanel.CurrentTime, Dependency.ParentNode.EndDate);
double startY = (parentIndex * ParentPresenter.ParentPanel.RowHeight) + (ParentPresenter.ParentPanel.RowHeight / 2d) - (ParentPresenter.ParentPanel.RowHeight * ParentPresenter.ParentPanel.TopNodeIndex);
double endX = TimeUnitScalar.GetPosition(ParentPresenter.ParentPanel.CurrentTime, Dependency.ChildNode.StartDate);
double endY = (childIndex * ParentPresenter.ParentPanel.RowHeight) + (ParentPresenter.ParentPanel.RowHeight / 2d) - (ParentPresenter.ParentPanel.RowHeight * ParentPresenter.ParentPanel.TopNodeIndex);
LineCanvas.Children.Clear();
double pip = TimeUnitScalar.ConvertToPixels(ParentPresenter.ParentPanel.CurrentTime, ParentPresenter.ParentPanel.ParentGanttChart.TimespanHeader.LowerUnit) / 2d;
int direction = 1;
if (inverted)
{
if (parentAboveChild)
{
direction = -1;
}
Line l = new Line();
l.Stroke = new SolidColorBrush(Colors.Black);
l.StrokeThickness = this.LineWidth;
l.X1 = startX;
l.Y1 = startY;
l.X2 = startX + (pip * direction);
l.Y2 = startY;
LineCanvas.Children.Add(l);
Line l2 = new Line();
l2.Stroke = new SolidColorBrush(Colors.Black);
l2.StrokeThickness = this.LineWidth;
l2.X1 = l.X2;
l2.Y1 = l.Y2;
l2.X2 = l.X2;
l2.Y2 = ((endY + startY) / 2d);
LineCanvas.Children.Add(l2);
Line l3 = new Line();
l3.Stroke = new SolidColorBrush(Colors.Black);
l3.StrokeThickness = this.LineWidth;
l3.X1 = l2.X2;
l3.Y1 = l2.Y2;
l3.X2 = endX - (pip * direction);
l3.Y2 = l2.Y2;
LineCanvas.Children.Add(l3);
Line l4 = new Line();
l4.Stroke = new SolidColorBrush(Colors.Black);
l4.StrokeThickness = this.LineWidth;
l4.X1 = l3.X2;
l4.Y1 = l3.Y2;
l4.X2 = l3.X2;
l4.Y2 = endY;
LineCanvas.Children.Add(l4);
Line l5 = new Line();
l5.Stroke = new SolidColorBrush(Colors.Black);
l5.StrokeThickness = this.LineWidth;
l5.X1 = l4.X2;
l5.Y1 = l4.Y2;
l5.X2 = endX;
l5.Y2 = endY;
LineCanvas.Children.Add(l5);
}
else
{
Line l = new Line();
l.Stroke = new SolidColorBrush(Colors.Black);
l.StrokeThickness = this.LineWidth;
l.X1 = startX;
l.Y1 = startY;
l.X2 = (endX + startX) / 2d;
l.Y2 = startY;
LineCanvas.Children.Add(l);
Line l2 = new Line();
l2.Stroke = new SolidColorBrush(Colors.Black);
l2.StrokeThickness = this.LineWidth;
l2.X1 = l.X2;
l2.Y1 = l.Y2;
l2.X2 = l.X2;
l2.Y2 = endY;
LineCanvas.Children.Add(l2);
Line l3 = new Line();
l3.Stroke = new SolidColorBrush(Colors.Black);
l3.StrokeThickness = this.LineWidth;
l3.X1 = l2.X2;
l3.Y1 = l2.Y2;
l3.X2 = endX;
l3.Y2 = endY;
LineCanvas.Children.Add(l3);
}
}
