/// <summary>
/// Edits the ListItems that were added or removed on the clientside
/// </summary>
/// <param name="postDataKey">The post data key.</param>
/// <param name="postCollection">The post collection.</param>
/// <returns>True if the list of items has changed.</returns>
private Boolean loadNewItems(string postDataKey, System.Collections.Specialized.NameValueCollection postCollection)
{
this.EnsureChildControls();
String postedValue = postCollection[this.itemTracker.UniqueID];
Boolean result = false;
ArrayList currentSelection = this.SelectedIndicesInternal;
if (postedValue != null && postedValue.Length != 0)
{
ListCommand[] commands = ListCommand.Split(postedValue.Trim());
foreach (ListCommand command in commands)
{
if (command.Operator == "+")
{
ListItem newItem = new ListItem(command.Text, command.Value);
if (command.Index >= 0 && command.Index <= this.Items.Count - 1)
{
this.Items.Insert(command.Index, newItem);
}
else
{
this.Items.Add(newItem);
}
}
else if (command.Operator == "-")
{
if (command.Index >= 0 && command.Index <= this.Items.Count - 1)
{
if (this.Items[command.Index].Selected)
{
result = true;
}
this.Items.RemoveAt(command.Index);
}
}
}
}
if (!result)
{
ArrayList newSelection = this.SelectedIndicesInternal;
if (newSelection == null)
{
result = (currentSelection != null);
}
else
{
if (newSelection.Count != currentSelection.Count)
{
result = true;
}
else
{
for (Int32 i = 0; i < currentSelection.Count; i++)
{
if ((Int32)newSelection[i] != (Int32)currentSelection[i])
{
result = true;
break;
}
}
}
}
}
return(result);
}