/// <summary>
/// 外部に保存した手描き入力を読み込む.
/// </summary>
/// <param name="sourceArchive"></param>
/// <returns></returns>
public static async Task ImportAsync(System.IO.Compression.ZipArchive sourceArchive)
{
if (sourceArchive == null)
{
throw new ArgumentNullException("sourceArchive");
}
var workdir = await ApplicationData.Current.TemporaryFolder.CreateFolderAsync("ItemImport", CreationCollisionOption.ReplaceExisting);
await ZipArchiveHelper.ExtractFromFileAsync(sourceArchive, workdir);
var itemsDir = await workdir.GetFoldersAsync();
foreach (var itemDir in itemsDir)
{
var item = new CanvasItem();
if (!await item.SaveAsync())
{
continue;
}
var propertyFile = (await workdir.TryGetItemAsync(String.Format(PropertyEntryNameFormat, itemDir.Name))) as StorageFile;
if (propertyFile == null)
{
continue;
}
var propertyText = await FileIO.ReadTextAsync(propertyFile, Windows.Storage.Streams.UnicodeEncoding.Utf8);
item.DeserializeProperties(propertyText);
await propertyFile.DeleteAsync();
var newItemDir = await ApplicationData.Current.LocalFolder.GetFolderAsync(item.InternalName);
foreach (var file in await itemDir.GetFilesAsync())
{
await file.MoveAsync(newItemDir, file.Name, NameCollisionOption.ReplaceExisting);
}
if (!await item.LoadAsync())
{
continue;
}
await CanvasItemManager.Current.AddItemAsync(item);
}
await workdir.DeleteAsync();
}
/// <summary>
/// 管理されている手描き入力アイテムをロードする.
/// </summary>
/// <returns></returns>
public async Task LoadAllItemsAsync()
{
if (this.itemsDataContainer == null)
{
return;
}
List <string> removeList = null;
foreach (var itemData in this.itemsDataContainer.Values)
{
var item = new CanvasItem(itemData.Key)
{
DisplayName = itemData.Value as string,
};
var success = await item.LoadAsync();
if (!success)
{
if (removeList == null)
{
removeList = new List <string>();
}
removeList.Add(itemData.Key);
continue;
}
this.itemsCore.Add(item);
}
// 登録情報だけあってファイルがない物は登録解除する
if (removeList != null)
{
foreach (var rm in removeList)
{
this.itemsDataContainer.Values.Remove(rm);
}
}
}