public void CopyFrom(ArrangeLayersDocument from)
{
this.NumberOfColumns = from.NumberOfColumns;
this.NumberOfRows = from.NumberOfRows;
this.RowSpacing = from.RowSpacing;
this.ColumnSpacing = from.ColumnSpacing;
this.LeftMargin = from.LeftMargin;
this.TopMargin = from.TopMargin;
this.RightMargin = from.RightMargin;
this.BottomMargin = from.BottomMargin;
this.SuperfluousLayersAction = from.SuperfluousLayersAction;
}
public static void ArrangeLayers(GraphDocument graph)
{
ArrangeLayersDocument doc = new ArrangeLayersDocument();
object doco = doc;
if (Current.Gui.ShowDialog(ref doco, "Arrange layers"))
{
doc = (ArrangeLayersDocument)doco;
try
{
ArrangeLayers(doc, graph);
}
catch (Exception ex)
{
Current.Gui.ErrorMessageBox(ex.Message);
}
}
}
public static void ArrangeLayers(ArrangeLayersDocument arrangement, GraphDocument graph)
{
int numPresentLayers = graph.Layers.Count;
int numDestLayers = arrangement.NumberOfColumns * arrangement.NumberOfRows;
int additionalLayers = Math.Max(0, numDestLayers - numPresentLayers);
// calculate the size of each layer
double relHorzSize = 100 - (arrangement.LeftMargin + arrangement.RightMargin + (arrangement.NumberOfColumns - 1) * arrangement.ColumnSpacing);
double relVertSize = 100 - (arrangement.TopMargin + arrangement.BottomMargin + (arrangement.NumberOfRows - 1) * arrangement.RowSpacing);
relHorzSize /= arrangement.NumberOfColumns;
relVertSize /= arrangement.NumberOfRows;
if (relHorzSize <= 0)
{
throw new ArgumentException("The calculated horizontal size of the resulting layers would be negative");
}
if (relVertSize <= 0)
{
throw new ArgumentException("The calculated vertical size of the resulting layers would be negative");
}
SizeF layerSize = new SizeF((float)(relHorzSize * graph.PrintableSize.Width / 100), (float)(relVertSize * graph.PrintableSize.Height / 100));
int nLayer = -1;
for (int i = 0; i < arrangement.NumberOfRows; ++i)
{
double relVertPos = arrangement.TopMargin + i * (arrangement.RowSpacing + relVertSize);
for (int j = 0; j < arrangement.NumberOfColumns; ++j)
{
nLayer++;
double relHorzPos = arrangement.LeftMargin + j * (arrangement.ColumnSpacing + relHorzSize);
// calculate position
PointF layerPosition = new PointF((float)(relHorzPos * graph.PrintableSize.Width / 100), (float)(relVertPos * graph.PrintableSize.Height / 100));
if (nLayer >= numPresentLayers)
{
graph.Layers.Add(new XYPlotLayer(layerPosition, layerSize));
graph.Layers[nLayer].CreateDefaultAxes();
}
SizeF oldSize = graph.Layers[nLayer].Size;
graph.Layers[nLayer].SetSize(relHorzSize / 100, XYPlotLayerSizeType.RelativeToGraphDocument, relVertSize / 100, XYPlotLayerSizeType.RelativeToGraphDocument);
SizeF newSize = graph.Layers[nLayer].Size;
if (oldSize != newSize)
{
graph.Layers[nLayer].RescaleInnerItemPositions(newSize.Width / oldSize.Width, newSize.Height / oldSize.Height);
}
graph.Layers[nLayer].SetPosition(relHorzPos / 100, XYPlotLayerPositionType.RelativeToGraphDocument, relVertPos / 100, XYPlotLayerPositionType.RelativeToGraphDocument);
}
}
// act now on superfluous layers
if (numPresentLayers > numDestLayers)
{
switch (arrangement.SuperfluousLayersAction)
{
case SuperfluousLayersAction.Remove:
for (int i = numPresentLayers - 1; i >= numDestLayers; i--)
{
graph.Layers.RemoveAt(i);
}
break;
case SuperfluousLayersAction.OverlayFirstLayer:
case SuperfluousLayersAction.OverlayLastLayer:
SizeF size; PointF pos;
int template = arrangement.SuperfluousLayersAction == SuperfluousLayersAction.OverlayFirstLayer ? 0 : numDestLayers - 1;
size = graph.Layers[template].Size;
pos = graph.Layers[template].Position;
for (int i = numDestLayers; i < numPresentLayers; i++)
{
SizeF oldSize = graph.Layers[i].Size;
graph.Layers[i].SetSize(size.Width, XYPlotLayerSizeType.AbsoluteValue, size.Height, XYPlotLayerSizeType.AbsoluteValue);
SizeF newSize = graph.Layers[i].Size;
if (oldSize != newSize)
{
graph.Layers[i].RescaleInnerItemPositions(newSize.Width / oldSize.Width, newSize.Height / oldSize.Height);
}
graph.Layers[i].SetPosition(pos.X, XYPlotLayerPositionType.AbsoluteValue, pos.Y, XYPlotLayerPositionType.AbsoluteValue);
}
break;
}
}
}
