/// <summary> 在资源管理器中打开某个文件所在的文件夹 </summary>
/// <param name="entry">选择要打开的文件</param>
/// <param name="isSelected">是否要选中该文件,默认为选中</param>
/// <returns>打开成功返回true,否则false</returns>
public async Task <bool> LaunchFolderInExplorer(IStorageItem2 entry, bool isSelected = true)
{
var parentFolder = await entry.GetParentAsync();
var option = new Windows.System.FolderLauncherOptions();
if (isSelected)
{
option.ItemsToSelect.Add(entry);
}
return(await Windows.System.Launcher.LaunchFolderAsync(parentFolder, option));
}
/// <summary>
/// Recursively determines whether the specified storage item exists in the
/// data folder.
/// </summary>
/// <param name="storageItem">The storage item to check.</param>
/// <returns>Whether the item exists in a folder the app controls.</returns>
public async Task <bool> PathIsInScopeAsync(IStorageItem2 storageItem)
{
if (storageItem == null)
{
return(false);
}
//if (ProxyFolder.IsEqual(storageItem))
// IsEqual doesn't seem mockable
if (ProxyFolder.Path == storageItem.Path)
{
return(true);
}
return(await PathIsInScopeAsync(
await storageItem.GetParentAsync().AsTask().ConfigureAwait(false)
).ConfigureAwait(false));
}
public async Task <IStorageFolder> GetRootAsync(IStorageFolder folder)
{
var storageFolder = folder as IStorageItem2;
IStorageItem2 parent = null;
IStorageItem2 testParent = await storageFolder.GetParentAsync();
while (testParent != null)
{
testParent = await testParent.GetParentAsync();
if (testParent != null)
{
parent = testParent;
}
}
return(parent as IStorageFolder);
}
/// <summary>
/// Returns <see cref="ScopeValue"/>.
/// </summary>
/// <param name="storageItem"></param>
/// <returns></returns>
public Task <bool> PathIsInScopeAsync(IStorageItem2 storageItem)
{
return(Task.FromResult(this.scopeChecker(storageItem)));
}
