/// <summary>
/// Usado para saver origen y destino en una conexión cuando el usuario lanza un evento MousseUp en un objeto IConnection.
/// </summary>
/// <param name="iConnection">Objeto IConnection a ser conectado.</param>
private void ProcessConnection(IConnection iConnectable)
{
if (iConnectable == null)
{
throw new ArgumentNullException("iConnectable", "iConnectable can not be null.");
}
if (iconnectableFrom == null)
{
// Verificar que no se hayan cometido errores.
Error errorSingleOutput = ServiceDocument.VerifySingleOutputConnection(iConnectable.Component);
if (errorSingleOutput != null)
{
Dialog.ShowErrorDialog(SilverlightVisualDesigners.Properties.Resources.Error, errorSingleOutput.Description, this.LayoutRoot);
return;
}
MenuFormSilverlight iConnectableSL = iConnectable as MenuFormSilverlight;
if (iConnectableSL != null)
{
if (iConnectableSL.ClickedMenuItem == null)
{
Dialog.ShowErrorDialog(SilverlightVisualDesigners.Properties.Resources.InvalidConnectionError, SilverlightVisualDesigners.Properties.Resources.InvalidConnection_MenuItemMustBeSourceInMenu, this.LayoutRoot);
return;
}
iconnectableFrom = iConnectableSL.ClickedMenuItem;
}
else
{
iconnectableFrom = iConnectable;
}
// Recordar que un objeto MenuItem tiene a su widget como un Component.
serviceDocument.ConnectionWidgetFrom = iconnectableFrom.Component;
}
else if (iConnectable != iconnectableFrom)
{
iconnectableTarget = iConnectable;
serviceDocument.ConnectionWidgetTarget = iconnectableTarget.Component;
Error connectionError = serviceDocument.CheckDuplicatedConnection();
if (connectionError != null)
{
Dialog.ShowErrorDialog(SilverlightVisualDesigners.Properties.Resources.Error, connectionError.Description, this.LayoutRoot);
isMakeConnectionAction = false;
return;
}
Collection <Error> connectionErrors = serviceDocument.CheckConnection();
if (connectionErrors.Count > 0)
{
Dialog.ShowErrorDialog(SilverlightVisualDesigners.Properties.Resources.Error, connectionErrors[0].Description, this.LayoutRoot);
isMakeConnectionAction = false;
return;
}
Collection <Error> errors = serviceDocument.VerifyConnection();
if (errors.Count > 0)
{
Dialog.ShowErrorDialog(SilverlightVisualDesigners.Properties.Resources.Error, errors[0].Description, this.LayoutRoot);
isMakeConnectionAction = false;
return;
}
// Verificar si se puede asignar el contexto.
CreateConnection(iconnectableFrom, iconnectableTarget);
isMakeConnectionAction = false;
}
}