private void DoWork(object sender, DoWorkEventArgs e)
{
RefreshGridRequest refreshRequest;
lock (_locker)
{
refreshRequest = queue.Count > 0 ? queue.Dequeue() : null;
}
if (worker.CancellationPending)
{
return;
}
if (refreshRequest == null || refreshRequest.SR == null)
{
return;
}
SrStoragePage page = owner as SrStoragePage;
if (page == null)
{
return;
}
if (refreshRequest.Reset)
{
Program.Invoke(owner, page.dataGridViewVDIs.Rows.Clear);
}
Program.Invoke(owner, page.RefreshButtons);
IEnumerable <VDIRow> currentVDIRows = Enumerable.Empty <VDIRow>();
Program.Invoke(owner, () => currentVDIRows = page.GetCurrentVDIRows());
VDIsData data = GetCurrentData(refreshRequest.SR, currentVDIRows);
if (worker.CancellationPending)
{
return;
}
Program.Invoke(owner, () => ((SrStoragePage)owner).RefreshDataGridView(data));
}
private void RefreshDataGridView(VDIsData data)
{
dataGridViewVDIs.SuspendLayout();
try
{
ColumnVolume.Visible = data.ShowStorageLink;
var showCbtColumn = !Helpers.FeatureForbidden(sr.Connection, Host.RestrictChangedBlockTracking);
ColumnCBT.Visible = showCbtColumn;
// Update existing rows
foreach (var vdiRow in data.VdiRowsToUpdate)
{
vdiRow.RefreshRowDetails(showCbtColumn);
}
// Remove rows for deleted VDIs
foreach (var vdiRow in data.VdiRowsToRemove)
{
dataGridViewVDIs.Rows.RemoveAt(vdiRow.Index);
}
// Add rows for new VDIs
foreach (var vdi in data.VdisToAdd)
{
dataGridViewVDIs.Rows.Add(new VDIRow(vdi, showCbtColumn));
}
}
finally
{
if (dataGridViewVDIs.SortedColumn != null && dataGridViewVDIs.SortOrder != SortOrder.None)
{
dataGridViewVDIs.Sort(dataGridViewVDIs.SortedColumn,
dataGridViewVDIs.SortOrder == SortOrder.Ascending
? ListSortDirection.Ascending
: ListSortDirection.Descending);
}
dataGridViewVDIs.ResumeLayout();
}
RefreshButtons();
}
private void RefreshDataGridView(VDIsData data)
{
dataGridViewVDIs.SuspendLayout();
try
{
storageLinkVolumeColumn.Visible = data.ShowStorageLink;
// Update existing rows
foreach (var vdiRow in data.VdiRowsToUpdate)
{
vdiRow.RefreshRowDetails(data.ShowStorageLink);
}
// Remove rows for deleted VDIs
foreach (var vdiRow in data.VdiRowsToRemove)
{
dataGridViewVDIs.Rows.RemoveAt(vdiRow.Index);
}
// Add rows for new VDIs
foreach (var vdi in data.VdisToAdd)
{
VDIRow newRow = new VDIRow(vdi, data.ShowStorageLink);
dataGridViewVDIs.Rows.Add(newRow);
}
}
finally
{
if (dataGridViewVDIs.SortedColumn != null && dataGridViewVDIs.SortOrder != SortOrder.None)
{
dataGridViewVDIs.Sort(dataGridViewVDIs.SortedColumn,
dataGridViewVDIs.SortOrder == SortOrder.Ascending
? ListSortDirection.Ascending
: ListSortDirection.Descending);
}
dataGridViewVDIs.ResumeLayout();
}
RefreshButtons();
}
private void RefreshDataGridView(VDIsData data)
{
dataGridViewVDIs.SuspendLayout();
try
{
storageLinkVolumeColumn.Visible = data.ShowStorageLink;
// Update existing rows
foreach (var vdiRow in data.VdiRowsToUpdate)
{
vdiRow.RefreshRowDetails(data.ShowStorageLink);
}
// Remove rows for deleted VDIs
foreach (var vdiRow in data.VdiRowsToRemove)
{
dataGridViewVDIs.Rows.RemoveAt(vdiRow.Index);
}
// Add rows for new VDIs
foreach (var vdi in data.VdisToAdd)
{
VDIRow newRow = new VDIRow(vdi, data.ShowStorageLink);
dataGridViewVDIs.Rows.Add(newRow);
}
}
finally
{
if (dataGridViewVDIs.SortedColumn != null && dataGridViewVDIs.SortOrder != SortOrder.None)
dataGridViewVDIs.Sort(dataGridViewVDIs.SortedColumn,
dataGridViewVDIs.SortOrder == SortOrder.Ascending
? ListSortDirection.Ascending
: ListSortDirection.Descending);
dataGridViewVDIs.ResumeLayout();
}
RefreshButtons();
}