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using System;
using System.Collections.Generic;
using System.Linq;
using XenAPI;
using XenAdmin.Dialogs;
namespace XenAdmin.Commands
{
///
/// Shows the move virtual disk dialog
///
internal class MoveVirtualDiskCommand : Command
{
///
/// Initializes a new instance of this Command. The parameter-less constructor is required in the derived
/// class if it is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
///
public MoveVirtualDiskCommand()
{
}
public MoveVirtualDiskCommand(IMainWindow mainWindow, IEnumerable selection)
: base(mainWindow, selection)
{
}
public override string ContextMenuText
{
get { return GetSelection().Count > 1 ? Messages.MAINWINDOW_MOVE_OBJECTS : Messages.MOVE_VDI_CONTEXT_MENU; }
}
protected override void ExecuteCore(SelectedItemCollection selection)
{
var vdis = selection.AsXenObjects();
new MoveVirtualDiskDialog(selection.GetConnectionOfFirstItem(), vdis).Show(Program.MainWindow);
}
protected override bool CanExecuteCore(SelectedItemCollection selection)
{
return selection.Count > 0 && selection.All(v => CanBeMoved(v.XenObject as VDI));
}
private bool CanBeMoved(VDI vdi)
{
if (vdi == null || vdi.is_a_snapshot || vdi.Locked || vdi.IsHaType() || vdi.cbt_enabled)
return false;
SR sr = vdi.Connection.Resolve(vdi.SR);
if (sr == null || sr.HBALunPerVDI())
return false;
if (vdi.GetVMs().Any(vm => vm.power_state != vm_power_state.Halted))
return false;
return true;
}
protected override string GetCantExecuteReasonCore(IXenObject item)
{
VDI vdi = item as VDI;
if (vdi == null)
return base.GetCantExecuteReasonCore(item);
if (vdi.is_a_snapshot)
return Messages.CANNOT_MOVE_VDI_IS_SNAPSHOT;
if (vdi.Locked)
return Messages.CANNOT_MOVE_VDI_IN_USE;
if (vdi.IsHaType())
return Messages.CANNOT_MOVE_HA_VD;
if (vdi.cbt_enabled)
return Messages.CANNOT_MOVE_CBT_ENABLED_VDI;
if (vdi.IsMetadataForDR())
return Messages.CANNOT_MOVE_DR_VD;
SR sr = vdi.Connection.Resolve(vdi.SR);
if (sr == null)
return base.GetCantExecuteReasonCore(item);
if (sr.HBALunPerVDI())
return Messages.UNSUPPORTED_SR_TYPE;
return base.GetCantExecuteReasonCore(item);
}
}
}