public void MouseUp(MouseEventArgs e)
{
if (IsActive)
{
DeactivateTool();
//whatever comes hereafter, a compund command is the most economic approach
CompoundCommand package = new CompoundCommand(this.Controller);
//let's see if the connection endpoints hit other connectors
//note that the following can be done because the actual connection has not been created yet
//otherwise the search would find the endpoints of the newly created connection, which
//would create a loop and a stack overflow!
IConnector startConnector = Selection.FindConnectorAt(initialPoint);
IConnector endConnector = Selection.FindConnectorAt(e.Location);
#region Create the new connection
Connection cn = new Connection(this.initialPoint, e.Location, this.Controller.Model);
AddConnectionCommand newcon = new AddConnectionCommand(this.Controller, cn);
package.Commands.Add(newcon);
#endregion
#region Initial attachment?
if(startConnector != null)
{
BindConnectorsCommand bindStart = new BindConnectorsCommand(this.Controller, startConnector, cn.From);
package.Commands.Add(bindStart);
}
#endregion
#region Final attachment?
if(endConnector != null)
{
BindConnectorsCommand bindEnd = new BindConnectorsCommand(this.Controller, endConnector, cn.To);
package.Commands.Add(bindEnd);
}
#endregion
package.Text = "New connection";
this.Controller.UndoManager.AddUndoCommand(package);
//do it all
package.Redo();
//drop the painted ghost
Controller.View.ResetGhost();
//release other tools
this.UnsuspendTools();
}
}
public void AddConnection(IConnector from, IConnector to)
{
Connection con = new Connection(from.Point, to.Point);
this.AddConnection(con);
}