private void OnDockPositionChanged(ChartDock oldValue, ChartDock newValue)
{
if (LegendPosition == LegendPosition.Outside)
{
InternalDockPosition = DockPosition;
if (ChartArea != null)
{
ChartArea.LayoutLegends();
ChartArea.UpdateLegendArrangeRect();
}
}
ChangeOrientation();
if (LegendPosition == LegendPosition.Inside)
{
var dockPanel = Parent as ChartDockPanel;
if (dockPanel == null)
{
return;
}
Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
ChartArea.UpdateLegendArrangeRect();
dockPanel.InvalidateMeasure();
}
else if (ChartDockPanel.GetDock(this) != InternalDockPosition)
{
ChartDockPanel.SetDock(this, InternalDockPosition);
}
}
private void OnLegendPositionChanged()
{
if (LegendPosition == Charts.LegendPosition.Inside)
{
InternalDockPosition = ChartDock.Floating;
}
else
{
InternalDockPosition = DockPosition;
}
ChartDockPanel.SetDock(this, InternalDockPosition);
if (Parent != null)
{
ChartArea.LayoutLegends();
ChartArea.UpdateLegendArrangeRect();
(Parent as ChartDockPanel).InvalidateMeasure();
}
}
internal void LayoutLegends()
{
for (int i = 0; i < RowDefinitions.Count; i++)
{
int leftIndex = 0, rightIndex = 0, currLeftPos = 0, currRightPos = 0;
RowDefinitions[i].Legends.Clear();
foreach (ChartLegend item in LegendCollection)
{
if (GetActualRow(item) == i && item.LegendPosition != LegendPosition.Inside)
{
if (item.DockPosition == ChartDock.Left)
{
RowDefinitions[i].Legends.Add(item);
if (leftIndex < currLeftPos)
{
leftIndex++;
}
item.RowColumnIndex = leftIndex;
currLeftPos++;
}
else if (item.DockPosition == ChartDock.Right)
{
RowDefinitions[i].Legends.Add(item);
if (rightIndex < currRightPos)
{
rightIndex++;
}
item.RowColumnIndex = rightIndex;
currRightPos++;
}
if (ChartDockPanel.GetDock(item) != item.InternalDockPosition)
{
ChartDockPanel.SetDock(item, item.InternalDockPosition);
}
}
}
}
for (int i = 0; i < ColumnDefinitions.Count; i++)
{
int topIndex = 0, bottomIndex = 0, currTopIndex = 0, currBottomIndex = 0;
ColumnDefinitions[i].Legends.Clear();
foreach (ChartLegend item in LegendCollection)
{
if (GetActualColumn(item) == i && item.LegendPosition != LegendPosition.Inside)
{
if (item.DockPosition == ChartDock.Top)
{
if (topIndex < currTopIndex)
{
topIndex++;
}
item.RowColumnIndex = topIndex;
currTopIndex++;
ColumnDefinitions[i].Legends.Add(item);
}
else if (item.DockPosition == ChartDock.Bottom)
{
if (bottomIndex < currBottomIndex)
{
bottomIndex++;
}
item.RowColumnIndex = bottomIndex;
currBottomIndex++;
ColumnDefinitions[i].Legends.Add(item);
}
}
if (ChartDockPanel.GetDock(item) != item.InternalDockPosition)
{
ChartDockPanel.SetDock(item, item.InternalDockPosition);
}
}
}
}
