public override BackgroundStorageEntry GetFile(string path)
{
int i = path.LastIndexOf('/');
var directory = new BackgroundStorageDirectory(this, path.Substring(0, i + 1));
var name = path.Substring(i + 1);
return new BackgroundStorageEntry(this, directory, name);
}
/// <summary>
/// Helper function to get the absolute path for a given directory.
/// </summary>
/// <param name="dir">The directory to get the path for.</param>
/// <returns>A DirectoryInfo for the absolute path.</returns>
private DirectoryInfo GetAbsoluteDirectory(BackgroundStorageDirectory dir)
{
if (dir.IsRoot)
{
return(new DirectoryInfo(directory));
}
return(new DirectoryInfo(Path.Combine(directory, dir.Path.Substring(1).Replace('/', Path.DirectorySeparatorChar))));
}
public override BackgroundStorageEntry GetFile(string path)
{
int i = path.LastIndexOf('/');
var directory = new BackgroundStorageDirectory(this, path.Substring(0, i + 1));
var name = path.Substring(i + 1);
return(new BackgroundStorageEntry(this, directory, name));
}
/// <summary>
/// Gets all subdirectories of a specified directory.
/// </summary>
/// <param name="parent">The parent directory.</param>
/// <returns>
/// A list of subdirectories.
/// </returns>
public override IEnumerable<BackgroundStorageDirectory> GetDirectories(BackgroundStorageDirectory parent)
{
if (parent == null)
throw new ArgumentNullException("parent");
DirectoryInfo info = GetAbsoluteDirectory(parent);
if (!info.Exists)
throw new ArgumentException("Directory does not exist");
foreach (var dir in info.GetDirectories().Where(d => d.Name != "[Thumbnails]"))
{
yield return new BackgroundStorageDirectory(this, parent.Path + dir.Name + "/");
}
}
/// <summary>
/// Gets the listing of files and folders using HTTP.
/// An requested URL looks like http://host/backgrounds/directory/list.
/// </summary>
/// <param name="directory"></param>
/// <returns></returns>
private IEnumerable <ListingEntry> GetListing(BackgroundStorageDirectory directory)
{
var result = client.GetAsync(directory.Path.Substring(1) + "list").WaitAndUnwrapException();
if (result.StatusCode == HttpStatusCode.NotFound)
{
throw new FileNotFoundException();
}
if (!result.IsSuccessStatusCode)
{
throw new HttpRequestException();
}
var str = result.Content.ReadAsStringAsync().WaitAndUnwrapException();
return(str.Split('\n').Where(p => p.Trim() != String.Empty).Select(p => new ListingEntry(p)).ToArray());
}
/// <summary>
/// Gets all subdirectories of a specified directory.
/// </summary>
/// <param name="parent">The parent directory.</param>
/// <returns>
/// A list of subdirectories.
/// </returns>
public override IEnumerable <BackgroundStorageDirectory> GetDirectories(BackgroundStorageDirectory parent)
{
if (parent == null)
{
throw new ArgumentNullException("parent");
}
DirectoryInfo info = GetAbsoluteDirectory(parent);
if (!info.Exists)
{
throw new ArgumentException("Directory does not exist");
}
foreach (var dir in info.GetDirectories().Where(d => d.Name != "[Thumbnails]"))
{
yield return(new BackgroundStorageDirectory(this, parent.Path + dir.Name + "/"));
}
}
/// <summary>
/// Gets all available background files in a specified directory.
/// </summary>
/// <param name="directory">The directory.</param>
/// <returns>
/// A list of background files (relative to the specified directory).
/// </returns>
public override IEnumerable <BackgroundStorageEntry> GetFiles(BackgroundStorageDirectory dir)
{
if (dir == null)
{
throw new ArgumentNullException("dir");
}
DirectoryInfo info = GetAbsoluteDirectory(dir);
if (!info.Exists)
{
throw new ArgumentException("Directory does not exist");
}
foreach (var file in info.GetFiles())
{
var ext = file.Extension.ToLowerInvariant();
if (AllowedImageTypes.ContainsKey(ext) || AllowedVideoTypes.ContainsKey(ext))
{
yield return(new BackgroundStorageEntry(this, dir, file.Name));
}
}
}
/// <summary> /// Gets all subdirectories of a specified directory. /// </summary> /// <param name="parent">The parent directory.</param> /// <returns> /// A list of subdirectories. /// </returns> public abstract IEnumerable<BackgroundStorageDirectory> GetDirectories(BackgroundStorageDirectory parent);
private void ListBackgroundEntries(BackgroundStorageDirectory parent, StringBuilder sb, bool recursive = false)
{
foreach (var subdir in parent.Directories)
{
sb.Append(subdir.Path);
sb.Append('\n');
if (recursive)
ListBackgroundEntries(subdir, sb, true);
}
foreach (var file in parent.Files)
{
sb.Append(file.Path);
sb.Append('\n');
}
}
internal BackgroundStorageEntry(BackgroundStorage storage, BackgroundStorageDirectory parent, string name)
{
this.storage = storage;
this.Name = name;
this.Parent = parent;
}
public override IEnumerable <BackgroundStorageDirectory> GetDirectories(BackgroundStorageDirectory parent)
{
return(GetListing(parent).Where(e => e.IsDirectory).Select(e => new BackgroundStorageDirectory(this, e.Path)).OrderBy(d => d.Name));
}
public override IEnumerable <BackgroundStorageEntry> GetFiles(BackgroundStorageDirectory directory)
{
return(GetListing(directory).Where(e => !e.IsDirectory).Select(e => new BackgroundStorageEntry(this, directory, Path.GetFileName(e.Path))).OrderBy(f => f.Name));
}
public override IEnumerable<BackgroundStorageEntry> GetFiles(BackgroundStorageDirectory directory)
{
return GetListing(directory).Where(e => !e.IsDirectory).Select(e => new BackgroundStorageEntry(this, directory, Path.GetFileName(e.Path))).OrderBy(f => f.Name);
}
public override IEnumerable<BackgroundStorageDirectory> GetDirectories(BackgroundStorageDirectory parent)
{
return GetListing(parent).Where(e => e.IsDirectory).Select(e => new BackgroundStorageDirectory(this, e.Path)).OrderBy(d => d.Name);
}
/// <summary>
/// Gets the listing of files and folders using HTTP.
/// An requested URL looks like http://host/backgrounds/directory/list.
/// </summary>
/// <param name="directory"></param>
/// <returns></returns>
private IEnumerable<ListingEntry> GetListing(BackgroundStorageDirectory directory)
{
var result = client.GetAsync(directory.Path.Substring(1) + "list").WaitAndUnwrapException();
if (result.StatusCode == HttpStatusCode.NotFound)
throw new FileNotFoundException();
if (!result.IsSuccessStatusCode)
throw new HttpRequestException();
var str = result.Content.ReadAsStringAsync().WaitAndUnwrapException();
return str.Split('\n').Where(p => p.Trim() != String.Empty).Select(p => new ListingEntry(p)).ToArray();
}
/// <summary> /// Gets all available background files in a specified directory. /// </summary> /// <param name="directory">The directory.</param> /// <returns> /// A list of background files. /// </returns> public abstract IEnumerable <BackgroundStorageEntry> GetFiles(BackgroundStorageDirectory directory);
/// <summary> /// Gets all subdirectories of a specified directory. /// </summary> /// <param name="parent">The parent directory.</param> /// <returns> /// A list of subdirectories. /// </returns> public abstract IEnumerable <BackgroundStorageDirectory> GetDirectories(BackgroundStorageDirectory parent);
/// <summary>
/// Gets all available background files in a specified directory.
/// </summary>
/// <param name="directory">The directory.</param>
/// <returns>
/// A list of background files (relative to the specified directory).
/// </returns>
public override IEnumerable<BackgroundStorageEntry> GetFiles(BackgroundStorageDirectory dir)
{
if (dir == null)
throw new ArgumentNullException("dir");
DirectoryInfo info = GetAbsoluteDirectory(dir);
if (!info.Exists)
throw new ArgumentException("Directory does not exist");
foreach (var file in info.GetFiles())
{
var ext = file.Extension.ToLowerInvariant();
if (AllowedImageTypes.ContainsKey(ext) || AllowedVideoTypes.ContainsKey(ext))
yield return new BackgroundStorageEntry(this, dir, file.Name);
}
}
internal BackgroundStorageEntry(BackgroundStorage storage, BackgroundStorageDirectory parent, string name)
{
this.storage = storage;
this.Name = name;
this.Parent = parent;
}
/// <summary>
/// Helper function to get the absolute path for a given directory.
/// </summary>
/// <param name="dir">The directory to get the path for.</param>
/// <returns>A DirectoryInfo for the absolute path.</returns>
private DirectoryInfo GetAbsoluteDirectory(BackgroundStorageDirectory dir)
{
if (dir.IsRoot)
return new DirectoryInfo(directory);
return new DirectoryInfo(Path.Combine(directory, dir.Path.Substring(1).Replace('/', Path.DirectorySeparatorChar)));
}
private void SelectEntry(string remainingSelectPath, BackgroundStorageDirectory currentNode, TreeViewItem currentContainer)
{
var i = remainingSelectPath.IndexOf('\\');
if (i >= 0)
{
string next = remainingSelectPath.Substring(0, i);
remainingSelectPath = remainingSelectPath.Substring(i + 1);
currentNode = currentNode.Directories.First((dir) => dir.Name == next);
currentContainer = currentContainer.ItemContainerGenerator.ContainerFromItem(currentNode) as TreeViewItem;
currentContainer.IsExpanded = true;
currentContainer.ItemContainerGenerator.StatusChanged += (sender, args) =>
{
if (currentContainer.ItemContainerGenerator.Status == System.Windows.Controls.Primitives.GeneratorStatus.ContainersGenerated)
SelectEntry(remainingSelectPath, currentNode, currentContainer);
};
}
else
{
imageListView.SelectedItem = currentNode.Files.Where(file => file.Name == remainingSelectPath).SingleOrDefault();
currentContainer.IsSelected = true;
currentContainer.BringIntoView();
imageListView.Focus();
}
}
/// <summary> /// Gets all available background files in a specified directory. /// </summary> /// <param name="directory">The directory.</param> /// <returns> /// A list of background files. /// </returns> public abstract IEnumerable<BackgroundStorageEntry> GetFiles(BackgroundStorageDirectory directory);
