/// <summary>
/// Occurs when this item is expanded.
/// </summary>
protected override async void LoadChildren()
{
var dirInfo = this.File as DirectoryInfo;
if (!this.IsDirectory || dirInfo == null)
{
return;
}
this.Children.Clear();
var loader = new ModelTreeViewItem(this, false)
{
Text = "Loading...", Icon = MainMenuIcon.LoadingHourglass
};
this.Children.Add(loader);
var fileItems = new Collection <ExplorerItem> ();
var getDirs = Task.Run(() =>
{
var directories = dirInfo.GetDirectories();
foreach (var directoryInfo in directories)
{
var info = directoryInfo;
fileItems.Add(new ExplorerItem(this, info, this.m_ShowFiles));
}
});
await getDirs;
if (this.m_ShowFiles)
{
var getFiles = Task.Run(() =>
{
var fileInfos = dirInfo.GetFiles();
foreach (var fileInfo in fileInfos)
{
var info = fileInfo;
fileItems.Add(new ExplorerItem(this, info));
}
});
await getFiles;
}
this.Children.Clear();
int count = 0;
foreach (var explorerItem in fileItems)
{
count++;
this.Children.Add(explorerItem);
if (count == 100)
{
// This keeps the UI responsive when adding lots of items...
await Task.Delay(500);
count = 0;
}
}
fileItems.Clear();
this.Loaded();
}
/// <summary>
/// Initializes a new peter project.
/// </summary>
/// <param name="parent">Parent item</param>
/// <param name="directory">The directory for this item.</param>
public MockPeterProject(ModelTreeViewItem parent, DirectoryInfo directory) : base(parent, directory)
{
}
/// <summary>
/// Initializes a new peter project.
/// </summary>
/// <param name="parent">Parent item</param>
/// <param name="file">The file for this item.</param>
public MockPeterProject(ModelTreeViewItem parent, FileInfo file) : base(parent, file)
{
}
/// <summary>
/// Initializes a new peter project.
/// </summary>
/// <param name="parent">Parent item</param>
public MockPeterProject(ModelTreeViewItem parent) : base(parent)
{
}
