private void FocusInTree(UniversalPackageFile file)
{
this.FileTree.SelectedItem = file;
}
public WriteStream(UniversalPackageFile file, byte[] contents)
{
this.file = file;
this.Write(contents, 0, contents.Length);
this.Position = 0;
}
private void Content_ExistingFile(object sender, ExecutedRoutedEventArgs e)
{
var referenceFile = this.FileTree.SelectedItem;
var collection = referenceFile == null ? this.Package.Files : referenceFile.Collection;
var prefix = referenceFile == null ? string.Empty : referenceFile.FullName.Substring(0, referenceFile.FullName.LastIndexOf('/') + 1);
var dialog = new OpenFileDialog
{
CheckFileExists = true,
Multiselect = true,
ValidateNames = true,
Filter = "All files (*.*)|*.*"
};
if (dialog.ShowDialog(this) == true)
{
Task.Run(() => this.PerformOperationAsync(async() =>
{
UniversalPackageFile firstFile = null;
foreach (var fileName in dialog.FileNames)
{
UniversalPackageFile file;
try
{
file = await collection.CreateFileAsync(prefix + Path.GetFileName(fileName));
}
catch (ArgumentException)
{
var name = await this.Dispatcher.InvokeAsync(() =>
{
var prompt = new NamePromptWindow("Existing File", "New file name:", NamePromptWindow.CreateNameValidator(false, collection, collection == this.Package.Metadata, prefix))
{
Text = Path.GetFileName(fileName),
Owner = this
};
if (prompt.ShowDialog() == true)
{
return(prompt.Text);
}
return(null);
});
if (name == null)
{
continue;
}
file = await collection.CreateFileAsync(prefix + name);
}
if (firstFile == null)
{
firstFile = file;
}
using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, FileOptions.Asynchronous | FileOptions.SequentialScan))
{
await file.CopyFromAsync(stream);
}
}
return(firstFile);
}, firstFile =>
{
if (firstFile != null)
{
this.FocusInTree(firstFile);
}
}));
}
}
