/// <summary>
/// Undo the operation
/// </summary>
public void Undo()
{
//The entered arrow is removed
GraphDiagram.DeleteElement(this.diagramLayer, this.diagram, this.graphArrow);
//Resets the eliminated arrow in the case that there was
if (this.graphArrowToDelete != null)
{
//Add the deleted arrow starting with the element next
this.graphArrowToDelete.Next.AddPrevious(this.graphArrowToDelete.FinalConnector, this.graphArrowToDelete);
foreach (GraphElement prevElement in this.graphArrowToDelete.Previous)
{
prevElement.AddNext(this.graphArrowToDelete.InitConnector, this.graphArrowToDelete);
}
//The arrow is added to the diagram layer, and to the logical diagram
this.diagramLayer.AddElement(this.graphArrowToDelete);
this.diagram.AddElement(this.graphArrowToDelete.Element);
}
//The diagram layer is updated
this.diagramLayer.UpdateSurface();
//it is indicated that the diagram has changed
if (this.DiagramChanged != null)
{
this.DiagramChanged(this, new EventArgs());
}
}
public void Undo()
{
//The entered arrow is removed
GraphDiagram.DeleteElement(this.diagramLayer, this.diagram, this.graphArrow);
//Add the deleted arrow starting with the next element
this.graphArrowToDelete.Next.AddPrevious(this.graphArrowToDelete.FinalConnector, this.graphArrowToDelete);
foreach (GraphElement prevElement in this.graphArrowToDelete.Previous)
{
if (prevElement is GraphConditional)
{
((GraphConditional)prevElement).AddNext(this.graphArrowToDelete.InitConnector, this.graphArrowToDelete, this.conditionalOut);
}
else
{
prevElement.AddNext(this.graphArrowToDelete.InitConnector, this.graphArrowToDelete);
}
}
//The arrow is added to the diagram layer, and to the logical diagram
this.diagramLayer.AddElement(this.graphArrowToDelete);
this.diagram.AddElement(this.graphArrowToDelete.Element);
//The diagram layer is updated
this.diagramLayer.UpdateSurface();
//It is indicated that the diagram has changed
if (this.DiagramChanged != null)
{
this.DiagramChanged(this, new EventArgs());
}
}
public void Do()
{
//If you are modifying the next of an item...
if (this.nextEnable)
{
if (this.presentConnector.Parent is GraphConditional)
{
this.conditionalOut = ((GraphConditional)this.presentConnector.Parent).GetPredefOut(this.presentConnector);
if ((conditionalOut == ConditionalOut.True) && (((GraphConditional)this.presentConnector.Parent).NextTrue != null))
{
if (DialogResult.Yes != MowayMessageBox.Show(InsertArrowMessages.REPLACE_TRUE + "\r\n" + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.Cancel();
return;
}
else if ((conditionalOut == ConditionalOut.False) && (((GraphConditional)this.presentConnector.Parent).NextFalse != null))
{
if (DialogResult.Yes != MowayMessageBox.Show(InsertArrowMessages.REPLACE_FALSE + "\r\n" + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.Cancel();
return;
}
}
}
}
GraphDiagram.DeleteElement(diagramLayer, diagram, this.graphArrowToDelete);
this.graphArrow = GraphDiagram.InsertArrow(this.diagram, this.diagramLayer, this.presentConnector, this.fixedConnector, this.conditionalOut, this.gridStatus);
}
else //If you are modifying an item's prev
{
if (fixedConnector.Parent is GraphConditional)
{
if (((GraphConditional)fixedConnector.Parent).NextTrue == this.graphArrowToDelete)
{
this.conditionalOut = ConditionalOut.True;
}
else
{
this.conditionalOut = ConditionalOut.False;
}
}
GraphDiagram.DeleteElement(this.diagramLayer, this.diagram, this.graphArrowToDelete);
this.graphArrow = GraphDiagram.InsertArrow(this.diagram, this.diagramLayer, this.fixedConnector, this.presentConnector, this.conditionalOut, this.gridStatus);
}
foreach (GraphElement element in this.tempLayer.Elements)
{
element.DisableConnectors();
}
this.tempLayer.ClearAndHide();
this.diagramLayer.UpdateSurface();
if (this.OperationFinished != null)
{
this.OperationFinished(this, new OperationEventArgs(Operation.Reconnect));
}
}
/// <summary>
/// This method undos the operation
/// </summary>
public void Undo()
{
//The GraphElement of the diagram layer and the logical diagram is removed
GraphDiagram.DeleteElement(this.diagramLayer, this.diagram, this.graphElement);
//The diagram layer is updated
this.diagramLayer.UpdateSurface();
//It is indicated that the diagram has changed
if (this.DiagramChanged != null)
{
this.DiagramChanged(this, new EventArgs());
}
}
/// <summary>
/// Execution of the operation
/// </summary>
public void Do()
{
GraphElement initialElement = this.initialConnector.Parent;
GraphElement finalElement = this.finalConnector.Parent;
graphArrow = new GraphArrow(initialConnector, finalConnector, this.diagramLayer.GetGridPoints());
if (initialElement is GraphConditional)
{
if ((this.conditionalOut == ConditionalOut.True) && (((GraphConditional)initialElement).NextTrue != null))
{
if (DialogResult.Yes == MowayMessageBox.Show(InsertArrowMessages.REPLACE_TRUE + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.graphArrowToDelete = (GraphArrow)((GraphConditional)initialElement).NextTrue;
GraphDiagram.DeleteElement(this.diagramLayer, this.diagram, this.graphArrowToDelete);
}
else
{
this.Cancel();
return;
}
}
else if ((this.conditionalOut == ConditionalOut.False) && (((GraphConditional)initialElement).NextFalse != null))
{
if (DialogResult.Yes == MowayMessageBox.Show(InsertArrowMessages.REPLACE_FALSE + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.graphArrowToDelete = (GraphArrow)((GraphConditional)initialElement).NextFalse;
GraphDiagram.DeleteElement(this.diagramLayer, this.diagram, this.graphArrowToDelete);
}
else
{
this.Cancel();
return;
}
}
((GraphConditional)initialElement).AddNext(initialConnector, graphArrow, this.conditionalOut);
}
else
{
if (initialElement.Next != null)
{
if (DialogResult.Yes == MowayMessageBox.Show(InsertArrowMessages.REPLACE_OUT + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.graphArrowToDelete = (GraphArrow)initialElement.Next;
GraphDiagram.DeleteElement(this.diagramLayer, this.diagram, this.graphArrowToDelete);
}
else
{
this.Cancel();
return;
}
}
initialElement.AddNext(initialConnector, graphArrow);
}
finalElement.AddPrevious(finalConnector, graphArrow);
this.diagramLayer.AddElement(graphArrow);
//Elements in the context of the operation are deleted
foreach (GraphElement element in this.tempLayer.Elements)
{
element.DisableConnectors();
}
this.tempLayer.ClearAndHide();
this.diagramLayer.UpdateSurface();
if (this.DiagramChanged != null)
{
this.DiagramChanged(this, new EventArgs());
}
if (this.OperationFinished != null)
{
this.OperationFinished(this, new OperationEventArgs(Operation.Connect));
}
}
public void Do()
{
GraphElement initialElement = initialConnector.Parent;
GraphElement finalElement = finalConnector.Parent;
this.graphArrow = new GraphArrow(initialConnector, finalConnector, gridStatus);
if (initialElement is GraphConditional)
{
if ((conditionalOut == ConditionalOut.True) && (((GraphConditional)initialElement).NextTrue != null))
{
if (DialogResult.Yes == MowayMessageBox.Show(InsertArrowMessages.REPLACE_TRUE + "\r\n" + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.graphArrowToDelete = (GraphArrow)((GraphConditional)initialElement).NextTrue;
GraphDiagram.DeleteElement(diagramLayer, diagram, this.graphArrowToDelete);
}
else
{
this.Cancel();
return;
}
}
else if ((conditionalOut == ConditionalOut.False) && (((GraphConditional)initialElement).NextFalse != null))
{
if (DialogResult.Yes == MowayMessageBox.Show(InsertArrowMessages.REPLACE_FALSE + "\r\n" + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.graphArrowToDelete = (GraphArrow)((GraphConditional)initialElement).NextFalse;
GraphDiagram.DeleteElement(diagramLayer, diagram, this.graphArrowToDelete);
}
else
{
this.Cancel();
return;
}
}
((GraphConditional)initialElement).AddNext(initialConnector, this.graphArrow, conditionalOut);
}
else
{
if (initialElement.Next != null)
{
if (DialogResult.Yes == MowayMessageBox.Show(InsertArrowMessages.REPLACE_OUT + "\r\n" + InsertArrowMessages.CONTINUE, InsertArrowMessages.INSERT_ARROW, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
this.graphArrowToDelete = (GraphArrow)initialElement.Next;
GraphDiagram.DeleteElement(diagramLayer, diagram, this.graphArrowToDelete);
}
else
{
this.Cancel();
return;
}
}
initialElement.AddNext(initialConnector, this.graphArrow);
}
finalElement.AddPrevious(finalConnector, this.graphArrow);
diagramLayer.AddElement(this.graphArrow);
this.diagram.AddElement(this.graphArrow.Element);
//Elements in the context of the operation are deleted
this.PreCancel();
this.diagramLayer.UpdateSurface();
if (this.DiagramChanged != null)
{
this.DiagramChanged(this, new EventArgs());
}
if (this.OperationFinished != null)
{
this.OperationFinished(this, new OperationEventArgs(Operation.InsertArrow));
}
}
