public override void Begin()
{
TempPrims.Clear();
Temp = new GraphArrow();
TempPrims.Add(Temp);
Step = 0;
}
public Reconnect(Diagram diagram, GraphLayer diagramLayer, GraphLayer tempLayer, Point initialPoint)
{
this.diagram = diagram;
this.diagramLayer = diagramLayer;
this.tempLayer = tempLayer;
this.graphArrowToDelete = (GraphArrow)this.tempLayer.Elements[0];
this.initialConnector = this.graphArrowToDelete.GetConnector(initialPoint);
if (this.initialConnector == this.graphArrowToDelete.InitConnector)
{
this.fixedConnector = this.graphArrowToDelete.FinalConnector;
this.nextEnable = true;
}
else
{
this.fixedConnector = this.graphArrowToDelete.InitConnector;
this.nextEnable = false;
}
this.graphArrowToDelete.DisableModifiers();
this.tempLayer.Clear();
this.tempLayer.Add(this.tempGraphArrow);
this.tempLayer.Visible = true;
this.tempLayer.UpdateSurface();
//You get the obstacles to avoid by the arrow of the diagram layer
this.gridStatus = this.diagramLayer.GetGridPoints();
}
public ModifyArrow(GraphLayer diagramLayer, GraphLayer tempLayer, Point initialLocation)
{
this.diagramLayer = diagramLayer;
this.tempLayer = tempLayer;
this.graphArrow = (GraphArrow)this.tempLayer.Elements[0];
this.segment = (LineSegment)this.graphArrow.GetSegment(initialLocation);
this.graphArrow.DisableModifiers();
this.gridStatus = this.diagramLayer.GetGridPoints();
if (this.segment.Modifier is VerticalModifier)
{
this.movement = Movement.Vertical;
this.cursor = Cursors.VSplit;
}
else
{
this.movement = Movement.Horizontal;
this.cursor = Cursors.HSplit;
}
this.tempLayer.Clear();
this.tempLayer.Add(this.tempGraphArrow);
this.tempLayer.Visible = true;
this.tempLayer.UpdateSurface();
}
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));
}
}
private bool IsIntermediateArrow(GraphArrow arrow)
{
if ((arrow != null) && (arrow.Next != null) && (arrow.Next.Selected == true))
{
return(true);
}
else
{
return(false);
}
}
public override void End()
{
var p = Temp.EndPoint;
Temp.Effective = true;
Primitive.CurrentGraphics.Add(Temp);
TempPrims.Clear();
Temp = new GraphArrow();
TempPrims.Add(Temp);
Temp.StartPoint.X = p.X;
Temp.StartPoint.Y = p.Y;
Step = 1;
}
public GraphArrow AddArrow(GraphNode start, GraphNode end)
{
var element = new GraphArrow
{
HeadHeight = 10,
HeadWidth = 5
};
element.SetStartNode(start);
// Set arrow position manually until we dont have ending box.
element.SetEndNode(end);
Children.Add(element);
return(element);
}
public GraphArrow AddArrow(GraphNode node, Point curPos)
{
var element = new GraphArrow
{
HeadHeight = 10,
HeadWidth = 5
};
element.SetStartNode(node);
// Set arrow position manually until we dont have ending box.
element.SetEndPoint(curPos);
Children.Add(element);
return(element);
}
/// <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));
}
}