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using System.Collections.Generic;
using XenAdmin.Actions;
using XenAdmin.Core;
using XenAPI;
using XenAdmin.Dialogs;
namespace XenAdmin.Commands
{
///
/// Destroys the selected SRs. Shows a confirmation dialog.
///
internal class DestroySRCommand : SRCommand
{
///
/// 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 DestroySRCommand()
{
}
public DestroySRCommand(IMainWindow mainWindow, IEnumerable selection)
: base(mainWindow, selection)
{
}
public DestroySRCommand(IMainWindow mainWindow, SR selection)
: base(mainWindow, selection)
{
}
public DestroySRCommand(IMainWindow mainWindow, IEnumerable selection)
: base(mainWindow, ConvertToSelection(selection))
{
}
protected override void ExecuteCore(SelectedItemCollection selection)
{
List actions = new List();
foreach (SR sr in selection.AsXenObjects(CanExecute))
{
actions.Add(new SrAction(SrActionKind.Destroy, sr));
}
RunMultipleActions(actions, Messages.ACTION_SRS_DESTROYING, string.Empty, string.Empty, true);
}
protected override bool CanExecuteCore(SelectedItemCollection selection)
{
return selection.AllItemsAre() && selection.AtLeastOneXenObjectCan(CanExecute);
}
private static bool CanExecute(SR sr)
{
return sr != null && !sr.HasRunningVMs() && sr.CanCreateWithXenCenter
&& sr.allowed_operations.Contains(storage_operations.destroy) && !HelpersGUI.GetActionInProgress(sr);
}
///
/// Gets the text for a menu item which launches this Command.
///
public override string MenuText
{
get
{
return Messages.MAINWINDOW_DESTROY_SR;
}
}
protected override bool ConfirmationRequired
{
get
{
return true;
}
}
protected override string ConfirmationDialogText
{
get
{
List srs = GetSelection().AsXenObjects();
if (srs.Count == 1)
{
return string.Format(Messages.MESSAGEBOX_DESTROY_SR_CONTINUE, srs[0].Name);
}
return Messages.MESSAGEBOX_DESTROY_SRS_CONTINUE;
}
}
protected override string ConfirmationDialogTitle
{
get
{
if (GetSelection().Count == 1)
{
return Messages.MESSAGEBOX_DESTROY_SR_CONTINUE_TITLE;
}
return Messages.MESSAGEBOX_DESTROY_SRS_CONTINUE_TITLE;
}
}
protected override CommandErrorDialog GetErrorDialogCore(IDictionary cantExecuteReasons)
{
return new CommandErrorDialog(Messages.ERROR_DIALOG_DESTROY_SR_TITLE, Messages.ERROR_DIALOG_DESTROY_SR_TEXT, cantExecuteReasons);
}
protected override string GetCantExecuteReasonCore(SelectedItem item)
{
SR sr = item.XenObject as SR;
if (sr == null)
{
return base.GetCantExecuteReasonCore(item);
}
if (sr.IsDetached)
{
return Messages.SR_DETACHED;
}
else if (sr.HasRunningVMs())
{
return Messages.SR_HAS_RUNNING_VMS;
}
else if (!sr.CanCreateWithXenCenter)
{
return Messages.SR_CANNOT_BE_DESTROYED_WITH_XC;
}
else if (HelpersGUI.GetActionInProgress(sr))
{
return Messages.SR_ACTION_IN_PROGRESS;
}
return base.GetCantExecuteReasonCore(item);
}
protected override string ConfirmationDialogYesButtonLabel
{
get
{
return Messages.MESSAGEBOX_DESTROY_SR_YES_BUTTON_LABEL;
}
}
protected override bool ConfirmationDialogNoButtonSelected
{
get
{
return true;
}
}
}
}