/// <summary>
/// This method executes the insert operation after the insertion position has been set
/// </summary>
public void Do()
{
//If the operation is not precanceled and the mouse is within the workspace (when the temporary layer is visible)
if ((!this.opPrecanceled) && (this.tempLayer.Visible))
{
//It is checked if the position is valid for insertion
if (this.ValidateLocation())
{
//It checks if the action needs Inicilización
if (this.graphElement.NeedInit)
{
ActionForm actionForm = ActionFactory.GetActionForm(this.graphElement.Element);
if (DialogResult.OK != actionForm.ShowDialog())
{
this.Cancel();
return;
}
}
//The GraphElement is added to the diagram layer, and to the logical diagram
this.diagramLayer.AddElement(this.graphElement);
this.diagram.AddElement(this.graphElement.Element);
//The temporary layer is cleaned and hidden
this.tempLayer.ClearAndHide();
//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());
}
//The operation is terminated
if (this.OperationFinished != null)
{
this.OperationFinished(this, new OperationEventArgs(Operation.Insert));
}
}
else
{
//If the position is invalid, it is precanceled to show notice to the user
this.PreCancel();
if (GraphSettings.Default.InsertWarning == true)
{
bool showAgain = true;
MowayMessageBox.Show(InsertElementMessages.DRAG_OBJECT, InsertElementMessages.INSERT_ELEMENT, MessageBoxButtons.OK, MessageBoxIcon.Error, ref showAgain);
GraphSettings.Default.InsertWarning = showAgain;
GraphSettings.Default.Save();
}
this.Cancel();
}
}
else
{
this.Cancel();
}
}
