/// <summary>
/// User has clicked the detach button. Unplug the VBD, then destroy it.
/// </summary>
private void DetachButton_Click(object sender, EventArgs e)
{
List<VBDRow> rows = SelectedVBDRows;
if (rows == null)
return;
List<SelectedItem> l = new List<SelectedItem>();
foreach (VBDRow r in rows)
l.Add(new SelectedItem(r.VDI));
DetachVirtualDiskCommand cmd = new DetachVirtualDiskCommand(Program.MainWindow, l, vm);
if (cmd.CanExecute())
cmd.Execute();
}
private void UpdateButtons()
{
AttachVirtualDiskCommand attachCmd = new AttachVirtualDiskCommand(Program.MainWindow, vm);
AttachButton.Enabled = attachCmd.CanExecute();
AddButton.Enabled = attachCmd.CanExecute();
List<VBDRow> vbdRows = SelectedVBDRows;
if (dataGridViewStorage.Rows.Count == 0 || vbdRows == null || vm == null)
{
DeactivateButton.Enabled = false;
DetachDriveButton.Enabled = false;
DeleteDriveButton.Enabled = false;
EditButton.Enabled = false;
MoveButton.Enabled = false;
return;
}
EditButton.Enabled = vbdRows.Count == 1 && !vbdRows[0].VBD.Locked && !vbdRows[0].VDI.Locked;
List<SelectedItem> selectedVDIs = new List<SelectedItem>();
List<SelectedItem> selectedVBDs = new List<SelectedItem>();
foreach (VBDRow r in vbdRows)
{
selectedVDIs.Add(new SelectedItem(r.VDI));
selectedVBDs.Add(new SelectedItem(r.VBD));
}
DeleteVirtualDiskCommand deleteCmd = new DeleteVirtualDiskCommand(Program.MainWindow, selectedVDIs);
// User has visibility that this disk in use by this VM. Allow unplug + delete in single step (non default behaviour),
// but only if we are the only VBD (default behaviour)
deleteCmd.AllowRunningVMDelete = true;
if (deleteCmd.CanExecute())
{
DeleteButtonContainer.RemoveAll();
DeleteDriveButton.Enabled = true;
}
else
{
DeleteButtonContainer.SetToolTip(deleteCmd.ToolTipText);
DeleteDriveButton.Enabled = false;
}
Command activationCmd = null;
SelectedItemCollection vbdCol = new SelectedItemCollection(selectedVBDs);
if (vbdCol.AsXenObjects<VBD>().Find(delegate(VBD vbd) { return !vbd.currently_attached; }) == null)
{
// no VBDs are attached so we are deactivating
DeactivateButton.Text = Messages.DEACTIVATE;
activationCmd = new DeactivateVBDCommand(Program.MainWindow, selectedVBDs);
}
else
{
// this is the default cause in the mixed attached/detatched scenario. We try to activate all the selection
// The command error reports afterwards about the ones which are already attached
DeactivateButton.Text = Messages.ACTIVATE;
activationCmd = new ActivateVBDCommand(Program.MainWindow, selectedVBDs);
}
if (activationCmd.CanExecute())
{
DeactivateButtonContainer.RemoveAll();
DeactivateButton.Enabled = true;
}
else
{
DeactivateButtonContainer.SetToolTip(activationCmd.ToolTipText);
DeactivateButton.Enabled = false;
}
DetachVirtualDiskCommand detachCmd = new DetachVirtualDiskCommand(Program.MainWindow, selectedVDIs, vm);
if (detachCmd.CanExecute())
{
DetachButtonContainer.RemoveAll();
DetachDriveButton.Enabled = true;
}
else
{
DetachButtonContainer.SetToolTip(detachCmd.ToolTipText);
DetachDriveButton.Enabled = false;
}
// Move button
Command moveCmd = MoveMigrateCommand(selectedVDIs);
if (moveCmd.CanExecute())
{
MoveButton.Enabled = true;
MoveButtonContainer.RemoveAll();
}
else
{
MoveButton.Enabled = false;
MoveButtonContainer.SetToolTip(moveCmd.ToolTipText);
}
}