private static ListViewItem TFTPLogEntryToListViewItem(TFTPLogEntry entry)
{
ListViewItem item = new ListViewItem(
new string[]
{
entry.StartTime.ToString("yyyy-MM-dd HH:mm:ss.fff"),
entry.IsUpload ? "Up" : "Dn",
entry.Filename,
entry.Server,
string.Format("{0} / {1}", entry.Transferred, entry.FileLength < 0 ? "?" : entry.FileLength.ToString()),
entry.State.ToString(),
entry.ErrorMessage
}
);
return(item);
}
private static double GetProgressFraction(TFTPLogEntry entry)
{
double result;
if (entry.State == TFTPLogState.Completed)
{
result = 1.0;
}
else if (entry.FileLength >= 0.0)
{
result = (1.0 * Math.Min(entry.Transferred, entry.FileLength)) / entry.FileLength;
}
else
{
result = -1.0;
}
return(result);
}
private static string GetProgressPercentageAsString(TFTPLogEntry entry)
{
double progress = GetProgressFraction(entry);
return(progress >= 0.0 ? string.Format("{0:0.0} %", progress) : "... %");
}
private void OnUpdateTransfers(object sender, TFTPLogEventArgs data)
{
if (InvokeRequired)
{
Invoke(new EventHandler <TFTPLogEventArgs>(OnUpdateTransfers), sender, data);
}
else
{
try
{
var lv = this.listViewTransfers;
int nrOfColumns = lv.Columns.Count;
//lv.BeginUpdate();
// append new items at the front
while (lv.Items.Count < data.Entries.Count)
{
lv.Items.Insert(0, new ListViewItem(new string[nrOfColumns]));
}
// remove items from the back
while (lv.Items.Count > data.Entries.Count)
{
lv.Items.RemoveAt(lv.Items.Count - 1);
}
for (int t = 0; t < lv.Items.Count; t++)
{
ListViewItem lvItem = lv.Items[t];
TFTPLogEntry entry = data.Entries[t];
switch (entry.State)
{
case TFTPLogState.Busy:
lvItem.ForeColor = Color.DarkBlue;
break;
case TFTPLogState.Completed:
lvItem.ForeColor = Color.DarkGreen;
break;
case TFTPLogState.Stopped:
lvItem.ForeColor = Color.DarkRed;
break;
}
string[] rowAsStrings =
new string[]
{
entry.StartTime.ToString("yyyy-MM-dd HH:mm:ss.fff"),
entry.IsUpload ? "▲" : "▼",
entry.Filename,
entry.Server,
string.Format("{0}", entry.Transferred),
string.Format("{0}", entry.FileLength < 0 ? "?" : entry.FileLength.ToString()),
ConvertSpeed(entry.Speed),
entry.State.ToString(),
entry.ErrorMessage,
""
};
for (int c = 0; c < rowAsStrings.Length; c++)
{
ListViewItem.ListViewSubItem subItem = lvItem.SubItems[c];
if (subItem.Text != rowAsStrings[c])
{
subItem.Text = rowAsStrings[c];
}
}
var sub = lvItem.SubItems[rowAsStrings.Length - 1];
if (sub.Tag == null || ((ProgressTag)sub.Tag).Id != entry.Id)
{
sub.Tag = new ProgressTag()
{
Id = entry.Id, PreviousBytesTransferred = entry.Transferred
};
}
ProgressTag tag = (ProgressTag)sub.Tag;
double fraction = GetProgressFraction(entry);
if (fraction >= 0.0)
{
tag.Fraction = fraction;
tag.Mode = ProgressTag.ViewMode.Percentage;
}
else
{
if (entry.State == TFTPLogState.Stopped)
{
tag.Mode = ProgressTag.ViewMode.None;
}
else
{
tag.Mode = ProgressTag.ViewMode.ProgressWalker;
if (tag.PreviousBytesTransferred != entry.Transferred)
{
tag.Fraction = (tag.Fraction + 0.25) % 1.0;
tag.PreviousBytesTransferred = entry.Transferred;
}
}
}
}
//lv.EndUpdate();
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e);
}
}
}
