public void ConnectShapes(ShapeWrapper shapeFrom, ShapeWrapper shapeTo, NodesBranchRelation nodesBranchRelation,
ShapeConnectionType connectionType)
{
var connectorMaster = GetConnectionMasterFromConnectionType(connectionType, nodesBranchRelation);
ConnectShapes(shapeFrom, shapeTo, connectorMaster, connectionType);
}
public void ConnectShapes(ShapeWrapper shapeFrom, ShapeWrapper shapeTo,
NodesBranchRelation nodesBranchRelation = NodesBranchRelation.SAME_BRANCH)
{
var connectionType = BuilderUtils.DefineConnectionType(shapeFrom, shapeTo, nodesBranchRelation);
ConnectShapes(shapeFrom, shapeTo, nodesBranchRelation, connectionType);
}
public void ConnectShapes(ShapeWrapper shapeFrom, ShapeWrapper shapeTo, NodesBranchRelation nodesBranchRelation = NodesBranchRelation.SAME_BRANCH)
{
var connectionType = BuilderUtils.DefineConnectionType(shapeFrom, shapeTo, nodesBranchRelation);
var connectorMaster = GetConnectionMasterFromConnectionType(connectionType, nodesBranchRelation);
BuilderUtils.GetCellsAlignsFromConnectionType(out var connectionFromType, out var connectionToType, connectionType);
ConnectWithDynamicGlueAndConnector(shapeFrom, shapeTo, connectorMaster, connectionFromType, connectionToType);
}
public BranchContext(ShapeWrapper branchParent,
NodesBranchRelation branchRelation = NodesBranchRelation.SAME_BRANCH, Point branchOffset = default)
{
BranchParent = branchParent;
ShapeToContinueThree = branchParent;
BranchRelation = branchRelation;
LastBranchShape = branchParent;
BranchOffset = branchOffset;
}
/// <summary>
/// Define connection type between two shapes
/// </summary>
/// <param name="lastPlacedShape">shape from connection</param>
/// <param name="oldShape">shape to connection (or parent shape)</param>
/// <param name="nodesBranchRelation">shapes ('from shape' for 'to shape') relations</param>
/// <returns>connection type</returns>
public static ShapeConnectionType DefineConnectionType(ShapeWrapper lastPlacedShape, ShapeWrapper oldShape,
NodesBranchRelation nodesBranchRelation = NodesBranchRelation.SAME_BRANCH)
{
if (nodesBranchRelation == NodesBranchRelation.SAME_BRANCH)
{
return(ShapeConnectionType.FROM_TOP_TO_BOT);
}
else if (nodesBranchRelation == NodesBranchRelation.IF_BRANCH)
{
return(ShapeConnectionType.FROM_TOP_TO_LEFT);
}
else if (nodesBranchRelation == NodesBranchRelation.ELSE_BRANCH)
{
return(ShapeConnectionType.FROM_TOP_TO_RIGHT);
}
else if (nodesBranchRelation == NodesBranchRelation.OTHER_BRANCH)
{
if (oldShape.IsCommonShape || oldShape.ShapeForm == ShapeForm.DO_WHILE)
{
return(ShapeConnectionType.FROM_TOP_TO_BOT);
}
return(ShapeConnectionType.FROM_TOP_TO_RIGHT);
}
else if (nodesBranchRelation == NodesBranchRelation.PARENT)
{
if (!lastPlacedShape.IsCommonShape)
{
if (lastPlacedShape.ShapeForm == ShapeForm.DO_WHILE)
{
return(ShapeConnectionType.FROM_LEFT_TO_LEFT);
}
if (!oldShape.IsCommonShape)
{
return(ShapeConnectionType.FROM_RIGHT_TO_LEFT);
}
throw new Exception("Parent shape can't be common!");
}
else if (lastPlacedShape.IsCommonShape &&
(!oldShape.IsCommonShape || oldShape.ShapeForm == ShapeForm.INVISIBLE_BLOCK))
{
return(ShapeConnectionType.FROM_BOT_TO_LEFT);
}
}
return(ShapeConnectionType.FROM_TOP_TO_BOT);
}
protected Master GetConnectionMasterFromConnectionType(ShapeConnectionType connectionType,
NodesBranchRelation nodesBranchRelation)
{
if (nodesBranchRelation == NodesBranchRelation.SAME_BRANCH ||
nodesBranchRelation == NodesBranchRelation.ELSE_BRANCH ||
nodesBranchRelation == NodesBranchRelation.IF_BRANCH)
{
return(Line);
}
else if (nodesBranchRelation == NodesBranchRelation.PARENT)
{
switch (connectionType)
{
case ShapeConnectionType.FROM_RIGHT_TO_LEFT:
case ShapeConnectionType.FROM_BOT_TO_LEFT:
case ShapeConnectionType.FROM_LEFT_TO_LEFT:
return(Arrow);
default:
return(Line);
}
}
switch (connectionType)
{
case ShapeConnectionType.FROM_TOP_TO_BOT:
case ShapeConnectionType.FROM_TOP_TO_RIGHT:
return(Line);
case ShapeConnectionType.FROM_RIGHT_TO_LEFT:
return(Arrow);
default:
return(Line);
}
}
