void IMeasurementObserver.Update(Measurement meas)
{
if (this.InvokeRequired)
{
this.BeginInvoke(new Action(() => InsertOrUpdate(meas)));
}
else
{
this.InsertOrUpdate(meas);
}
}
public void Update(Measurement meas)
{
lock (observers)
{
map[meas.Index] = meas;
foreach (var o in observers)
{
o.Update(meas);
}
}
}
void Add(Measurement meas, string label)
{
var text = string.Format("{0} ({1}) - {2} - {3}", label, meas.Index, meas.Value, meas.ShortFlags);
listBox.Items.Add(text);
}
ListViewItem CreateItem(Measurement m)
{
string[] text = { m.Index.ToString(), m.Value, m.Flags, m.Timestamp };
var item = new ListViewItem(text);
return item;
}
void InsertOrUpdate(Measurement meas)
{
if (indexToRow.ContainsKey(meas.Index))
{
var row = indexToRow[meas.Index];
this.listView.Items[row] = CreateItem(meas);
}
else
{
// figure out where to insert
var entry = indexToRow.FirstOrDefault(kvp => kvp.Key > meas.Index);
if (entry.Equals(default(KeyValuePair<ushort, int>)))
{
var row = listView.Items.Count;
listView.Items.Add(CreateItem(meas));
indexToRow[meas.Index] = row;
}
else
{
listView.Items.Insert(entry.Value, CreateItem(meas));
indexToRow[meas.Index] = entry.Value;
var rows = indexToRow.Select(kvp => kvp.Key > meas.Index);
foreach (var kvp in indexToRow)
{
if (kvp.Key > meas.Index)
{
indexToRow[kvp.Key] = kvp.Value + 1;
}
}
}
}
}