private void CleanupDynamicallyAddedItems()
{
DropDownItems
.OfType <CopyToClipboardToolStripMenuItem>()
.ToArray()
.ForEach(i => DropDownItems.Remove(i));
}
void param_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == "Name")
{
var item = DropDownItems.OfType <ToolStripMenuItem>().FirstOrDefault(s => s.Tag == sender);
if (item != null)
{
item.Text = (sender as QueryParam).Name.DefaultForEmpty("<未命名>");
}
}
}
/// <summary>Works around a MONO bug by explicitly disposing its Items</summary>
protected override void Dispose(bool disposing)
{
Debug.WriteLineIf(!disposing, "****** Missing Dispose() call for " + GetType() + " ******");
if (disposing)
{
// BUG: MONO neglects to dispose DropDownItems. Do it now:
foreach (var disposable in DropDownItems.OfType <IDisposable>().ToArray())
{
disposable.Dispose();
}
}
base.Dispose(disposing);
}
private void EnableAppropriateHostsNoWlb()
{
if (Stopped || DropDownItems.Count == 0)
{
return;
}
var firstItem = DropDownItems[0] as VMOperationToolStripMenuSubItem;
if (firstItem == null)
{
return;
}
// API calls could happen in CanExecute(), which take time to wait. So a Producer-Consumer-Queue with size 25 is used here to :
// 1. Make API calls for different menu items happen in parallel;
// 2. Limit the count of concurrent threads (now it's 25).
workerQueueWithoutWlb = new ProduceConsumerQueue(25);
var selection = Command.GetSelection();
var connection = selection[0].Connection;
var session = connection.DuplicateSession();
var affinityHost = connection.Resolve(((VM)selection[0].XenObject).affinity);
EnqueueHostMenuItem(this, session, affinityHost, firstItem, true);
var hostMenuItems = DropDownItems.OfType <VMOperationToolStripMenuSubItem>().ToList();
if (Stopped)
{
return;
}
foreach (VMOperationToolStripMenuSubItem item in hostMenuItems)
{
var host = item.Tag as Host;
if (host != null)
{
var tempItem = item;
EnqueueHostMenuItem(this, session, host, tempItem, false);
}
}
}
void param_PersistentChanged(object sender, EventArgs e)
{
var param = sender as QueryParam;
if (param.IsPersistent)
{
//添加
var item = DropDownItems.OfType <ToolStripMenuItem>().FirstOrDefault(s => s.Tag == param);
if (item == null)
{
item = new ToolStripMenuItem(param.Name.DefaultForEmpty("<未命名>"))
{
Tag = param
};
item.Click += (x, y) =>
{
var p = ((x as ToolStripMenuItem).Tag as QueryParam);
p.IsLoaded = true;
Session.UserProfile.QueryParams.SelectedQuery = p;
MainForm.Instance.SelectedSession = Session;
};
DropDownItems.Add(item);
}
_emptyItem.Visible = false;
}
else
{
//删除
var item = DropDownItems.OfType <ToolStripMenuItem>().FirstOrDefault(s => s.Tag == param);
if (item != null)
{
DropDownItems.Remove(item);
}
_emptyItem.Visible = DropDownItems.OfType <ToolStripMenuItem>().All(s => s.Tag == null);
}
}
