ResourceListViewItem GetTopItem(ResourceListViewItem item)
{
while (item.ParentItem != null)
{
item = item.ParentItem;
}
return(item);
}
/// <summary>
/// 向结果中添加项
/// </summary>
// <param name="items"></param>
private void AppendItemsCore()
{
if (_queue.Count == 0)
{
return;
}
_timer.Enabled = false;
using (this.CreateBatchOperationDispatcher())
{
var st = new Stopwatch();
var guid = new Guid();
Trace.TraceInformation("开始刷新界面列表操作，GUID={0}", guid);
BeginUpdate();
//foreach (var item in items)
while (_queue.Count > 0)
{
var item = _queue.Dequeue();
var lvitem = item.Hash.IsNullOrEmpty() ? null : GetItemsByHash(item.Hash);
if (lvitem == null)
{
lvitem = new ResourceListViewItem(item, Providers.Length > 1);
if (!item.Hash.IsNullOrEmpty())
{
_itemsCache.Add(item.Hash, lvitem);
}
if (!item.IsHashLoaded)
{
item.DetailLoaded += ResourceOperation.MainForm.SafeInvoke((s, e) =>
{
var tinfo = s as IResourceInfo;
if (!_itemsCache.ContainsKey(tinfo.Hash))
{
var titem = Items.Cast <ResourceListViewItem>().FirstOrDefault(x => x.Resource == tinfo);
if (titem != null)
{
_itemsCache.Add(tinfo.Hash, titem);
titem.RefreshDownloadStatus();
titem.RefreshIllegalStatus();
}
}
});
}
item.DownloadedChanged += (s, e) =>
{
var tinfo = s as IResourceInfo;
GetItemsByHash(tinfo?.Hash)?.RefreshDownloadStatus();
};
item.VerifyStateChanged += (s, e) =>
{
var tinfo = s as IResourceInfo;
GetItemsByHash(tinfo?.Hash)?.RefreshIllegalStatus();
};
lvitem.RefreshDownloadStatus();
lvitem.RefreshIllegalStatus();
Items.Add(lvitem);
}
else
{
Items.Remove(lvitem);
lvitem.AppendSubResult(item);
Items.Add(lvitem);
}
}
Trace.TraceInformation("结束列表添加，开始调整列宽，GUID={0}，耗时={1} ms", guid, st.ElapsedMilliseconds);
AutoResizeColumns(BetterListViewColumnHeaderAutoResizeStyle.ColumnContent);
Trace.TraceInformation("结束调整列宽，开始排序，GUID={0}，耗时={1} ms", guid, st.ElapsedMilliseconds);
Sort();
Trace.TraceInformation("排序完成，开始界面布局，GUID={0}，耗时={1} ms", guid, st.ElapsedMilliseconds);
EndUpdate();
Trace.TraceInformation("加载结束，GUID={0}，耗时={1} ms", guid, st.ElapsedMilliseconds);
OnLoadComplete();
}
_timer.Enabled = true;
}
