/// <summary>
/// Allow the user to interact with the control,
/// return after they click one of the action buttons.
/// </summary>
/// <param name="toDelete">The directories to delete if the return is true</param>
/// <returns>
/// true if user chose to delete, false otherwise
/// </returns>
public bool Wait(out HashSet <string> toDelete)
{
if (Platform.IsMono)
{
// Workaround: make sure the ListView headers are drawn
Util.Invoke(DirectoriesListView, () =>
{
DirectoriesListView.EndUpdate();
ContentsListView.EndUpdate();
});
}
// Reset the task each time
task = new TaskCompletionSource <bool>();
// This will block until one of the buttons calls SetResult
if (task.Task.Result)
{
toDelete = DirectoriesListView.CheckedItems.Cast <ListViewItem>()
.Select(lvi => lvi.Tag as string)
.Where(s => !string.IsNullOrEmpty(s))
.ToHashSet();
return(true);
}
else
{
toDelete = null;
return(false);
}
}
private void DirectoriesListView_ItemSelectionChanged(Object sender, ListViewItemSelectionChangedEventArgs e)
{
ContentsListView.Items.Clear();
ContentsListView.Items.AddRange(
DirectoriesListView.SelectedItems.Cast <ListViewItem>()
.SelectMany(lvi => Directory.EnumerateFileSystemEntries(
lvi.Tag as string,
"*",
SearchOption.AllDirectories)
.Select(f => new ListViewItem(instance.ToRelativeGameDir(f).Replace('/', Path.DirectorySeparatorChar))))
.ToArray());
if (DirectoriesListView.SelectedItems.Count == 0)
{
ContentsListView.Items.Add(SelectDirPrompt);
}
ContentsListView.AutoResizeColumns(
ContentsListView.Items.Count > 0
? ColumnHeaderAutoResizeStyle.ColumnContent
: ColumnHeaderAutoResizeStyle.HeaderSize);
OpenDirectoryButton.Enabled = DirectoriesListView.SelectedItems.Count > 0;
}
