void DiskListTreeView_SelectedIndexChanged(object sender, EventArgs e)
{
if(skipSelectedIndexChanged)
return;
if (DiskListTreeView.SelectedItem is DiskListSrItem || DiskListTreeView.SelectedItem == null)
{
//As we're changing the index below - stall the SelectedIndexChanged event until we're done
skipSelectedIndexChanged = true;
try
{
DiskListTreeView.SelectedItem = oldSelected;
OkBtn.Enabled = DiskListTreeView.SelectedItem != null;
DeactivateAttachButtonIfHvm();
}
finally
{
//Ensure the lock is released
skipSelectedIndexChanged = false;
}
return;
}
DiskListVdiItem item = DiskListTreeView.SelectedItem as DiskListVdiItem;
ReadOnlyCheckBox.Enabled = !item.ForceReadOnly;
ReadOnlyCheckBox.Checked = item.ForceReadOnly ? true : oldROState;
OkBtn.Enabled = true;
oldSelected = item;
DeactivateControlsForHvmVm();
}
private void DeactivateAttachButtonIfHvm()
{
if (!TheVM.IsHVM())
return;
DiskListVdiItem vdiItem = DiskListTreeView.SelectedItem as DiskListVdiItem;
if (vdiItem != null && vdiItem.ForceReadOnly)
OkBtn.Enabled = false;
}
private object SelectByRef(string oldRef)
{
for (int i = 0; i < DiskListTreeView.Items.Count; i++)
{
DiskListVdiItem item = DiskListTreeView.Items[i] as DiskListVdiItem;
if (item == null)
continue;
else if (item.TheVDI.opaque_ref == oldRef)
return item;
}
return null;
}
private void OkBtn_Click(object sender, EventArgs e)
{
DiskListVdiItem item = DiskListTreeView.SelectedItem as DiskListVdiItem;
if (item == null)
{
return;
}
VDI TheVDI = item.TheVDI;
// Run this stuff off the event thread, since it involves a server call
System.Threading.ThreadPool.QueueUserWorkItem(delegate
{
// Get a spare userdevice
string[] uds = VM.get_allowed_VBD_devices(connection.DuplicateSession(), TheVM.opaque_ref);
if (uds.Length == 0)
{
Program.Invoke(Program.MainWindow, delegate()
{
using (var dlg = new ErrorDialog(FriendlyErrorNames.VBDS_MAX_ALLOWED)
{
WindowTitle = Messages.DISK_ATTACH
})
{
dlg.ShowDialog(Program.MainWindow);
}
});
return;
}
string ud = uds[0];
VBD vbd = new VBD();
vbd.VDI = new XenRef <VDI>(TheVDI);
vbd.VM = new XenRef <VM>(TheVM);
vbd.bootable = ud == "0";
vbd.device = "";
vbd.SetIsOwner(TheVDI.VBDs.Count == 0);
vbd.empty = false;
vbd.userdevice = ud;
vbd.type = vbd_type.Disk;
vbd.mode = ReadOnlyCheckBox.Checked ? vbd_mode.RO : vbd_mode.RW;
vbd.unpluggable = true;
// Try to hot plug the VBD.
var action = new VbdSaveAndPlugAction(TheVM, vbd, TheVDI.Name(), null, false);
action.ShowUserInstruction += Action_ShowUserInstruction;
action.RunAsync();
});
Close();
}
private void OkBtn_Click(object sender, EventArgs e)
{
DiskListVdiItem item = DiskListTreeView.SelectedItem as DiskListVdiItem;
if (item == null)
{
return;
}
VDI TheVDI = item.TheVDI;
// Run this stuff off the event thread, since it involves a server call
System.Threading.ThreadPool.QueueUserWorkItem((System.Threading.WaitCallback) delegate(object o)
{
// Get a spare userdevice
string[] uds = VM.get_allowed_VBD_devices(connection.DuplicateSession(), TheVM.opaque_ref);
if (uds.Length == 0)
{
Program.Invoke(Program.MainWindow, delegate()
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
SystemIcons.Error,
FriendlyErrorNames.VBDS_MAX_ALLOWED, Messages.DISK_ATTACH)))
{
dlg.ShowDialog(Program.MainWindow);
}
});
// Give up
return;
}
string ud = uds[0];
VBD vbd = new VBD();
vbd.VDI = new XenRef <VDI>(TheVDI);
vbd.VM = new XenRef <VM>(TheVM);
vbd.bootable = ud == "0";
vbd.device = "";
vbd.IsOwner = TheVDI.VBDs.Count == 0;
vbd.empty = false;
vbd.userdevice = ud;
vbd.type = vbd_type.Disk;
vbd.mode = ReadOnlyCheckBox.Checked ? vbd_mode.RO : vbd_mode.RW;
vbd.unpluggable = true;
// Try to hot plug the VBD.
new VbdSaveAndPlugAction(TheVM, vbd, TheVDI.Name, null, false, NewDiskDialog.ShowMustRebootBoxCD, NewDiskDialog.ShowVBDWarningBox).RunAsync();
});
Close();
}
private void BuildList()
{
Program.AssertOnEventThread();
DiskListVdiItem lastSelected = DiskListTreeView.SelectedItem as DiskListVdiItem;
String oldRef = "";
if (lastSelected != null)
{
oldRef = lastSelected.TheVDI.opaque_ref;
}
DiskListTreeView.BeginUpdate();
try
{
DiskListTreeView.ClearAllNodes();
foreach (SR sr in connection.Cache.SRs)
{
DiskListSrItem item = new DiskListSrItem(sr, TheVM);
if (item.Show)
{
DiskListTreeView.AddNode(item);
foreach (VDI TheVDI in sr.Connection.ResolveAllShownXenModelObjects(sr.VDIs, Properties.Settings.Default.ShowHiddenVMs))
{
DiskListVdiItem VDIitem = new DiskListVdiItem(TheVDI);
if (VDIitem.Show)
{
DiskListTreeView.AddChildNode(item, VDIitem);
}
TheVDI.PropertyChanged -= new PropertyChangedEventHandler(Server_Changed);
TheVDI.PropertyChanged += new PropertyChangedEventHandler(Server_Changed);
}
}
sr.PropertyChanged -= new PropertyChangedEventHandler(Server_Changed);
sr.PropertyChanged += new PropertyChangedEventHandler(Server_Changed);
}
}
finally
{
DiskListTreeView.EndUpdate();
DiskListTreeView.SelectedItem = SelectByRef(oldRef);
}
}