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Added knot nodes to for channing the lines to the proper format
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This commit is contained in:
Ankitkumar Satapara
2026-04-20 20:31:35 +05:30
parent f604f58068
commit acdaecf8de
3 changed files with 38 additions and 17 deletions
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52
Examples/Nodify.Calculator/CalculatorViewModel.cs
View File

@@ -155,6 +155,25 @@ namespace Nodify.Calculator
public INodifyCommand DeleteSelectionCommand { get; }
public INodifyCommand GroupSelectionCommand { get; }
/// <summary>
/// A knot connector allows any shape only when its knot node has no existing connections (unadapted).
/// Once adapted (input connected), shape must match.
/// </summary>
private bool IsKnotConnectorAllowed(ConnectorViewModel source, ConnectorViewModel target)
{
ConnectorViewModel knotConn = source.IsKnotConnector ? source : target.IsKnotConnector ? target : null;
if (knotConn == null) return false;
var knotOp = knotConn.Operation as KnotOperationViewModel;
if (knotOp == null) return false;
// If knot has no connections yet, allow any shape
bool hasAnyConnection = Connections.Any(con =>
con.Input.Operation == knotOp || con.Output.Operation == knotOp);
return !hasAnyConnection;
}
private void DisconnectConnector(ConnectorViewModel connector)
{
var connections = Connections.Where(c => c.Input == connector || c.Output == connector).ToList();
@@ -164,7 +183,7 @@ namespace Nodify.Calculator
internal bool CanCreateConnection(ConnectorViewModel source, ConnectorViewModel? target)
=> target == null || (source != target &&
(source.Shape == target.Shape ||
source.IsKnotConnector || target.IsKnotConnector ||
IsKnotConnectorAllowed(source, target) ||
((source.IsCopyConnector || target.IsCopyConnector) && source.Shape != ConnectorShape.Triangle && target.Shape != ConnectorShape.Triangle)) &&
!source.IsConnected &&
!target.IsConnected &&
@@ -729,34 +748,33 @@ namespace Nodify.Calculator
private void HandleKnotNodeConnected(ConnectionViewModel c)
{
ConnectorViewModel knotConn = null;
// Determine if a knot node's INPUT connector is being connected
// c.Input is the receiving connector, c.Output is the source connector
KnotOperationViewModel knotOp = null;
ConnectorViewModel sourceConn = null;
if (c.Input.IsKnotConnector)
// Connection into the knot's input: c.Input belongs to knot, c.Output is the source
if (c.Input.IsKnotConnector && c.Input.IsInput && c.Input.Operation is KnotOperationViewModel k1)
{
knotConn = c.Input;
knotOp = k1;
sourceConn = c.Output;
}
else if (c.Output.IsKnotConnector)
// Connection from knot's output into something: c.Output belongs to knot, c.Input is the target
// If knot is unadapted and output connects first, adapt from the target
else if (c.Output.IsKnotConnector && !c.Output.IsInput && c.Output.Operation is KnotOperationViewModel k2)
{
knotConn = c.Output;
knotOp = k2;
sourceConn = c.Input;
}
if (knotConn == null) return;
if (knotOp == null || sourceConn == null) return;
var knotOp = knotConn.Operation as KnotOperationViewModel;
if (knotOp == null) return;
// Adapt both input and output connectors to match the connected wire's shape/color/type
// Adapt ALL connectors (both input and output) to match the connected wire's shape/color/type
foreach (var conn in knotOp.Input.Concat(knotOp.Output))
{
if (conn.Shape != ConnectorShape.Triangle)
{
conn.Shape = sourceConn.Shape;
conn.ConnectorColor = sourceConn.RawColor;
conn.DataType = sourceConn.DataType;
}
conn.Shape = sourceConn.Shape;
conn.ConnectorColor = sourceConn.RawColor;
conn.DataType = sourceConn.DataType;
}
}

2
Examples/Nodify.Calculator/ConnectorViewModel.cs
View File

@@ -65,6 +65,8 @@ namespace Nodify.Calculator
set
{
_color = value;
OnPropertyChanged(nameof(Color));
OnPropertyChanged(nameof(RawColor));
}
}