/// <summary>
/// Move all items up one
/// </summary>
public void MoveUpOne(int[] items)
{
Array.Sort <int>(items);
Diagram[] diagrams = myDiagrams;
for (int i = 0; i < items.Length; ++i)
{
int index = items[i];
if (index > 0)
{
Diagram targetDiagram = diagrams[index];
diagrams[index] = diagrams[index - 1];
diagrams[index - 1] = targetDiagram;
BranchModificationEventHandler handler = myModifications;
if (handler != null)
{
handler(this, BranchModificationEventArgs.MoveItem(this, index, index - 1));
}
}
}
}
/// <summary>
/// Move all items down one
/// </summary>
public void MoveDownOne(int[] items)
{
Array.Sort <int>(items);
Diagram[] diagrams = myDiagrams;
int lastItem = diagrams.Length - 1;
for (int i = items.Length - 1; i >= 0; --i)
{
int index = items[i];
if (index < lastItem)
{
Diagram targetDiagram = diagrams[index];
diagrams[index] = diagrams[index + 1];
diagrams[index + 1] = targetDiagram;
BranchModificationEventHandler handler = myModifications;
if (handler != null)
{
handler(this, BranchModificationEventArgs.MoveItem(this, index, index + 1));
}
}
}
}
