// This is a horrible abomination of a function and purpose. When a shape is duplicated, the control
// point positions aren't properly copied by the base classes. When we copy the type specific data
// which gives the DataFlowComponent (in subclasses), the control points are regenerated. However,
// the problem is that they are generated at a 0-offset, rather than the position-relative offset.
// So, the easiest way to fix it is just to copy the correct positions from the source shape to update
// them correctly. Nasty.
//
// (Ideally, we would have the NShape system properly transform the points when it's used; but I can't
// figure out at what point the generated points get transformed from shape-relative points into the
// absolute position points).
//
// (Because these points are (incorrectly) generated when copying the DataFlowComponent in subclasses,
// this needs to be called AFTER all the other copying is done, so will need to be called in each CopyFrom.
protected void _CopyControlPointsFrom(FilterSetupShapeBase source)
{
controlPoints = new Point[ControlPointCount];
for (int i = 0; i < source.ControlPoints.Length; i++) {
controlPoints[i] = source.ControlPoints[i];
}
}
public void ConnectShapes(FilterSetupShapeBase source, int sourceOutputIndex, FilterSetupShapeBase destination,
bool removeExistingSource = true)
{
DataFlowConnectionLine line = (DataFlowConnectionLine)project.ShapeTypes["DataFlowConnectionLine"].CreateInstance();
diagramDisplay.InsertShape(line);
diagramDisplay.Diagram.Shapes.SetZOrder(line, 100);
line.EndCapStyle = project.Design.CapStyles.ClosedArrow;
line.SecurityDomainName = SECURITY_DOMAIN_FIXED_SHAPE_NO_CONNECTIONS_DELETABLE;
if (removeExistingSource)
{
IEnumerable <ShapeConnectionInfo> connectionInfos =
destination.GetConnectionInfos(destination.GetControlPointIdForInput(0), null);
foreach (ShapeConnectionInfo ci in connectionInfos)
{
if (!ci.IsEmpty && ci.OtherShape is DataFlowConnectionLine)
{
diagramDisplay.DeleteShape(ci.OtherShape, false);
}
}
}
line.SourceDataFlowComponentReference = new DataFlowComponentReference(source.DataFlowComponent, sourceOutputIndex);
line.DestinationDataComponent = destination.DataFlowComponent;
line.Connect(ControlPointId.FirstVertex, source, source.GetControlPointIdForOutput(sourceOutputIndex));
line.Connect(ControlPointId.LastVertex, destination, destination.GetControlPointIdForInput(0));
}
// This is a horrible abomination of a function and purpose. When a shape is duplicated, the control
// point positions aren't properly copied by the base classes. When we copy the type specific data
// which gives the DataFlowComponent (in subclasses), the control points are regenerated. However,
// the problem is that they are generated at a 0-offset, rather than the position-relative offset.
// So, the easiest way to fix it is just to copy the correct positions from the source shape to update
// them correctly. Nasty.
//
// (Ideally, we would have the NShape system properly transform the points when it's used; but I can't
// figure out at what point the generated points get transformed from shape-relative points into the
// absolute position points).
//
// (Because these points are (incorrectly) generated when copying the DataFlowComponent in subclasses,
// this needs to be called AFTER all the other copying is done, so will need to be called in each CopyFrom.
protected void _CopyControlPointsFrom(FilterSetupShapeBase source)
{
controlPoints = new Point[ControlPointCount];
for (int i = 0; i < source.ControlPoints.Length; i++)
{
controlPoints[i] = source.ControlPoints[i];
}
}
public override void CopyFrom(Shape source)
{
base.CopyFrom(source);
if (source is FilterSetupShapeBase)
{
FilterSetupShapeBase src = (FilterSetupShapeBase)source;
}
}
private void _LookupAndConnectShapeToSource(FilterSetupShapeBase shape)
{
if (shape.DataFlowComponent != null && shape.DataFlowComponent.Source != null)
{
IDataFlowComponentReference source = shape.DataFlowComponent.Source;
if (!_dataFlowComponentToShapes.ContainsKey(source.Component))
{
VixenSystem.Logging.Error("CreateConnectionsFromExistingLinks: can't find shape for source " + source.Component + source.OutputIndex);
return;
}
List <FilterSetupShapeBase> sourceShapes = _dataFlowComponentToShapes[source.Component];
// TODO: deal with multiple instances of the source data flow component: eg. a element existing as
// multiple shapes (currently, we'll assume it's the first shape in the list)
ConnectShapes(sourceShapes.First(), source.OutputIndex, shape);
}
}
private ElementNodeShape _MakeElementNodeShape(ElementNode node, int zOrder)
{
ElementNodeShape shape = (ElementNodeShape)project.ShapeTypes["ElementNodeShape"].CreateInstance();
shape.SetElementNode(node);
shape.Title = node.Name;
diagramDisplay.InsertShape(shape);
diagramDisplay.Diagram.Shapes.SetZOrder(shape, zOrder);
diagramDisplay.Diagram.AddShapeToLayers(shape, _visibleLayer.Id);
if (!_elementNodeToElementShapes.ContainsKey(node))
{
_elementNodeToElementShapes[node] = new List <ElementNodeShape>();
}
_elementNodeToElementShapes[node].Add(shape);
if (shape.DataFlowComponent != null)
{
if (!_dataFlowComponentToShapes.ContainsKey(shape.DataFlowComponent))
{
_dataFlowComponentToShapes[shape.DataFlowComponent] = new List <FilterSetupShapeBase>();
}
_dataFlowComponentToShapes[shape.DataFlowComponent].Add(shape);
}
if (node.Children.Any())
{
foreach (var child in node.Children)
{
FilterSetupShapeBase childSetupShapeBase = _MakeElementNodeShape(child, zOrder + 1);
shape.ChildFilterShapes.Add(childSetupShapeBase);
}
shape.SecurityDomainName = SECURITY_DOMAIN_FIXED_SHAPE_NO_CONNECTIONS;
shape.FillStyle = project.Design.FillStyles["ElementGroup"];
}
else
{
shape.SecurityDomainName = SECURITY_DOMAIN_FIXED_SHAPE_WITH_CONNECTIONS;
shape.FillStyle = project.Design.FillStyles["ElementLeaf"];
}
return(shape);
}
private void _RemoveDataFlowLinksFromShapePoint(FilterSetupShapeBase shape, ControlPointId controlPoint)
{
foreach (ShapeConnectionInfo ci in shape.GetConnectionInfos(controlPoint, null))
{
if (ci.OtherShape == null)
{
continue;
}
DataFlowConnectionLine line = ci.OtherShape as DataFlowConnectionLine;
if (line == null)
{
throw new Exception("a shape was connected to something other than a DataFlowLine!");
}
if (line.DestinationDataComponent == null || line.SourceDataFlowComponentReference == null)
{
throw new Exception("Can't remove a link that isn't fully connected!");
}
// if the line is connected with the given shape as the SOURCE, remove the unknown DESTINATION's
// source (on the other end of the line). Otherwise, it (should) be that the given shape is the
// destination; so reset it's source. If neither of these are true, freak out.
if (line.GetConnectionInfo(ControlPointId.FirstVertex, null).OtherShape == shape)
{
VixenSystem.DataFlow.ResetComponentSource(line.DestinationDataComponent);
}
else if (line.GetConnectionInfo(ControlPointId.LastVertex, null).OtherShape == shape)
{
VixenSystem.DataFlow.ResetComponentSource(shape.DataFlowComponent);
}
else
{
throw new Exception("Can't reset a link that has neither the source or destination for the given shape!");
}
_RemoveShape(line);
}
}
private void _ResizeAndPositionNestingShape(FilterSetupShapeBase shape, int width, int x, int y, bool visible)
{
if (visible)
{
_ShowShape(shape);
}
else
{
_HideShape(shape);
}
if (visible && (shape is NestingSetupShape) && (shape as NestingSetupShape).Expanded &&
(shape as NestingSetupShape).ChildFilterShapes.Count > 0)
{
int curY = y + SHAPE_GROUP_HEADER_HEIGHT;
foreach (FilterSetupShapeBase childShape in (shape as NestingSetupShape).ChildFilterShapes)
{
_ResizeAndPositionNestingShape(childShape, width - SHAPE_CHILD_WIDTH_REDUCTION, x, curY, true);
curY += childShape.Height + SHAPE_VERTICAL_SPACING;
}
shape.Width = width;
shape.Height = (curY - SHAPE_VERTICAL_SPACING + SHAPE_GROUP_FOOTER_HEIGHT) - y;
}
else
{
shape.Width = width;
shape.Height = SHAPE_ELEMENTS_HEIGHT;
if (shape is NestingSetupShape)
{
foreach (FilterSetupShapeBase childShape in (shape as NestingSetupShape).ChildFilterShapes)
{
_ResizeAndPositionNestingShape(childShape, width, x, y, false);
}
}
}
shape.X = x;
shape.Y = y + shape.Height / 2;
}
private void _ShowShape(FilterSetupShapeBase setupShapeBase)
{
diagramDisplay.Diagram.AddShapeToLayers(setupShapeBase, _visibleLayer.Id);
diagramDisplay.Diagram.RemoveShapeFromLayers(setupShapeBase, _hiddenLayer.Id);
}
private void UpdateConnection(MouseState mouseState, FilterSetupShapeBase filterShape)
{
if (currentConnectionLine == null)
throw new Exception("expecting to have a connection line when in CONNECT mode on drag!");
bool connectionLineTargetConnected = false;
if (filterShape != null) {
ControlPointId point = filterShape.HitTest(mouseState.X, mouseState.Y, ControlPointCapabilities.Connect, 10);
if (point != ControlPointId.Any && point != ControlPointId.None) {
bool skipConnection = false;
if (filterShape.GetTypeForControlPoint(point) != FilterSetupShapeBase.FilterShapeControlPointType.Input) {
// Later on, if/when we support multiple inputs, we'll need to get an appropriate input. For now, there's only 1 option.
if (filterShape.InputCount > 0) {
point = filterShape.GetControlPointIdForInput(0);
}
else {
skipConnection = true;
}
}
FilterSetupShapeBase sourceShape =
currentConnectionLine.GetConnectionInfo(ControlPointId.FirstVertex, null).OtherShape as FilterSetupShapeBase;
// check to see if it's pointing at itself
if (sourceShape == filterShape) {
skipConnection = true;
}
// check to see if targeting this shape would create a circular dependency
if (sourceShape != null &&
VixenSystem.DataFlow.CheckComponentSourceForCircularDependency(filterShape.DataFlowComponent,
sourceShape.DataFlowComponent)) {
skipConnection = true;
}
if (!skipConnection) {
if (currentConnectionLine.GetConnectionInfo(ControlPointId.LastVertex, null).OtherPointId != point ||
currentConnectionLine.GetConnectionInfo(ControlPointId.LastVertex, null).OtherShape != filterShape) {
currentConnectionLine.Disconnect(ControlPointId.LastVertex);
currentConnectionLine.Connect(ControlPointId.LastVertex, filterShape, point);
currentConnectionLine.DestinationDataComponent = filterShape.DataFlowComponent;
}
connectionLineTargetConnected = true;
}
}
}
if (!connectionLineTargetConnected) {
currentConnectionLine.Disconnect(ControlPointId.LastVertex);
currentConnectionLine.MoveControlPointTo(ControlPointId.LastVertex, mouseState.X, mouseState.Y, ResizeModifiers.None);
currentConnectionLine.DestinationDataComponent = null;
}
}
private void _ShowShape(FilterSetupShapeBase setupShapeBase)
{
diagramDisplay.Diagram.AddShapeToLayers(setupShapeBase, _visibleLayer.Id);
diagramDisplay.Diagram.RemoveShapeFromLayers(setupShapeBase, _hiddenLayer.Id);
}
private void _ResizeAndPositionNestingShape(FilterSetupShapeBase shape, int width, int x, int y, bool visible)
{
if (visible) {
_ShowShape(shape);
} else {
_HideShape(shape);
}
if (visible && (shape is NestingSetupShape) && (shape as NestingSetupShape).Expanded &&
(shape as NestingSetupShape).ChildFilterShapes.Count > 0)
{
int curY = y + SHAPE_GROUP_HEADER_HEIGHT;
foreach (FilterSetupShapeBase childShape in (shape as NestingSetupShape).ChildFilterShapes) {
_ResizeAndPositionNestingShape(childShape, width - SHAPE_CHILD_WIDTH_REDUCTION, x, curY, true);
curY += childShape.Height + SHAPE_VERTICAL_SPACING;
}
shape.Width = width;
shape.Height = (curY - SHAPE_VERTICAL_SPACING + SHAPE_GROUP_FOOTER_HEIGHT) - y;
} else {
shape.Width = width;
shape.Height = SHAPE_ELEMENTS_HEIGHT;
if (shape is NestingSetupShape) {
foreach (FilterSetupShapeBase childShape in (shape as NestingSetupShape).ChildFilterShapes) {
_ResizeAndPositionNestingShape(childShape, width, x, y, false);
}
}
}
shape.X = x;
shape.Y = y + shape.Height / 2;
}
private void _RemoveDataFlowLinksFromShapePoint(FilterSetupShapeBase shape, ControlPointId controlPoint)
{
foreach (ShapeConnectionInfo ci in shape.GetConnectionInfos(controlPoint, null)) {
if (ci.OtherShape == null)
continue;
DataFlowConnectionLine line = ci.OtherShape as DataFlowConnectionLine;
if (line == null)
throw new Exception("a shape was connected to something other than a DataFlowLine!");
if (line.DestinationDataComponent == null || line.SourceDataFlowComponentReference == null)
throw new Exception("Can't remove a link that isn't fully connected!");
// if the line is connected with the given shape as the SOURCE, remove the unknown DESTINATION's
// source (on the other end of the line). Otherwise, it (should) be that the given shape is the
// destination; so reset it's source. If neither of these are true, freak out.
if (line.GetConnectionInfo(ControlPointId.FirstVertex, null).OtherShape == shape) {
VixenSystem.DataFlow.ResetComponentSource(line.DestinationDataComponent);
} else if (line.GetConnectionInfo(ControlPointId.LastVertex, null).OtherShape == shape) {
VixenSystem.DataFlow.ResetComponentSource(shape.DataFlowComponent);
} else {
throw new Exception("Can't reset a link that has neither the source or destination for the given shape!");
}
_RemoveShape(line);
}
}
private void _LookupAndConnectShapeToSource(FilterSetupShapeBase shape)
{
if (shape.DataFlowComponent != null && shape.DataFlowComponent.Source != null) {
IDataFlowComponentReference source = shape.DataFlowComponent.Source;
if (!_dataFlowComponentToShapes.ContainsKey(source.Component)) {
VixenSystem.Logging.Error("CreateConnectionsFromExistingLinks: can't find shape for source " + source.Component + source.OutputIndex);
return;
}
List<FilterSetupShapeBase> sourceShapes = _dataFlowComponentToShapes[source.Component];
// TODO: deal with multiple instances of the source data flow component: eg. a element existing as
// multiple shapes (currently, we'll assume it's the first shape in the list)
ConnectShapes(sourceShapes.First(), source.OutputIndex, shape);
}
}
public void ConnectShapes(FilterSetupShapeBase source, int sourceOutputIndex, FilterSetupShapeBase destination, bool removeExistingSource = true)
{
DataFlowConnectionLine line = (DataFlowConnectionLine)project.ShapeTypes["DataFlowConnectionLine"].CreateInstance();
diagramDisplay.InsertShape(line);
diagramDisplay.Diagram.Shapes.SetZOrder(line, 100);
line.EndCapStyle = project.Design.CapStyles.ClosedArrow;
line.SecurityDomainName = SECURITY_DOMAIN_FIXED_SHAPE_NO_CONNECTIONS_DELETABLE;
if (removeExistingSource) {
IEnumerable<ShapeConnectionInfo> connectionInfos = destination.GetConnectionInfos(destination.GetControlPointIdForInput(0), null);
foreach (ShapeConnectionInfo ci in connectionInfos) {
if (!ci.IsEmpty && ci.OtherShape is DataFlowConnectionLine) {
diagramDisplay.DeleteShape(ci.OtherShape, false);
}
}
}
line.SourceDataFlowComponentReference = new DataFlowComponentReference(source.DataFlowComponent, sourceOutputIndex);
line.DestinationDataComponent = destination.DataFlowComponent;
line.Connect(ControlPointId.FirstVertex, source, source.GetControlPointIdForOutput(sourceOutputIndex));
line.Connect(ControlPointId.LastVertex, destination, destination.GetControlPointIdForInput(0));
}