/// <summary>
/// Handles index change by user. Those changes may need change in other indices.
/// </summary>
/// <param name="sender">element whose index was changed</param>
/// <param name="e">EventArgs containing further information</param>
private void UpdateIndexChangedEventHandler(object sender, UpdateIndexChangedEventArgs e)
{
if (m_IgnoreEvents)
{
return;
}
InputOutputElement senderio = sender as InputOutputElement;
#region Old > New
if (e.OldIndex > e.NewIndex)
{
//increase all indices between the new and the old value
m_IgnoreEvents = true;
foreach (BaseElement be in m_Elements)
{
if (be is InputOutputElement)
{
InputOutputElement beio = be as InputOutputElement;
if (!beio.Equals(senderio) && beio.UpdateIndex >= e.NewIndex && beio.UpdateIndex < e.OldIndex)
{
beio.UpdateIndex++;
}
}
}
m_IgnoreEvents = false;
}
#endregion
#region New > Old
if (e.OldIndex < e.NewIndex)
{
//decrease all indices between the new and the old value
m_IgnoreEvents = true;
foreach (BaseElement be in m_Elements)
{
if (be is InputOutputElement)
{
InputOutputElement beio = be as InputOutputElement;
if (!beio.Equals(senderio) && beio.UpdateIndex > e.OldIndex && beio.UpdateIndex <= e.NewIndex)
{
beio.UpdateIndex--;
}
}
}
m_IgnoreEvents = false;
}
#endregion
SortElements();
}
/// <summary>
/// Find corresponding Terminal in reverse direction
/// </summary>
/// <param name="ioElement">IO to find Terminal for</param>
/// <returns>Corresponsing Terminal or null if not found</returns>
public Terminal FindTerminal(InputOutputElement ioElement)
{
InputOutputElement[] ioArray = new InputOutputElement[m_MatchingDict.Values.Count];
m_MatchingDict.Values.CopyTo(ioArray, 0);
Terminal[] termArray = new Terminal[m_MatchingDict.Keys.Count];
m_MatchingDict.Keys.CopyTo(termArray, 0);
if (m_MatchingDict.ContainsValue(ioElement))
{
for (int i = 0; i < m_MatchingDict.Values.Count; i++)
{
if (ioElement.Equals(ioArray[i]))
{
return(termArray[i]);
}
}
}
return(null);
}
