public bool ChangeImage(Delta delta, Action <Action> onComplete)
{
if (!FilteredFiles.Any())
{
return(false);
}
_activeImageSetter = TaskList.StartTask(() =>
{
Func <int, bool> filter = i =>
delta == Delta.Next ? i > _imageIndex :
delta == Delta.Prev ? i < _imageIndex :
i <= _imageIndex;
var defaultValue = delta == Delta.Next
? FilteredFiles.First()
: FilteredFiles.Last();
if (delta == Delta.Next)
{
_imageIndex = FilteredFiles.FirstOrDefault(a => filter(a.Index), defaultValue).Index;
}
else
{
_imageIndex = FilteredFiles.LastOrDefault(a => filter(a.Index), defaultValue).Index;
}
onComplete(() => _activeImageSetter = null);
});
return(true);
}
/// <summary>
/// Filter the filtered list of files based on the searchfilter
/// </summary>
/// <param name="searchFilter"></param>
public void SearchOnFiles(string searchFilter)
{
if (!tfsController.Connected)
{
return;
}
this.searchText = searchFilter;
// Save a little effort here
if (searchFilter == "")
{
SearchedFiles = new ObservableCollection <TFSItemViewModel>(FilteredFiles.OrderBy(p => p.Filename));
}
else
{
SearchedFiles = new ObservableCollection <TFSItemViewModel>(FilteredFiles.Where(p => Regex.Match(p.Filepath, searchFilter, RegexOptions.IgnoreCase).Success).OrderBy(p => p.Filename));
}
SyncCheckedoutItems();
}
async Task addToListView(List <ListObj> objs)
{
FilteredFiles.Items.Clear();
await Task.Delay(0);
int count = 0;
foreach (var obj in objs)
{
var item = new ListViewItem();
item.ImageIndex = obj.ImageIndex;
item.ToolTipText = item.Text = obj.FileName;
item.Tag = obj.FileName;
if (obj.Encoding != null)
{
item.SubItems.Add(obj.Encoding.EncodingName);
}
else
{
item.SubItems.Add("非UTF8或不明确");
}
if (obj.NoUTF8 || obj.UTF8BOM)
{
item.ForeColor = Color.Red;
}
item.SubItems.Add(obj.UTF8BOM ? "带签名" : "");
FilteredFiles.BeginUpdate();
FilteredFiles.Items.Add(item);
FilteredFiles.EndUpdate();
FilteredFiles.Items[FilteredFiles.Items.Count - 1].EnsureVisible();
count++;
if (count % 20 == 0)
{
await Task.Delay(1);
}
}
}