private void InitialPrevisualModel(StorageEntry entry)
{
switch (entry.ContentType)
{
case SEContent.Image: PrevisualEntry = new MPrevisualImage(entry.File); break;
default:
throw new NotImplementedException();
}
}
/// <summary>
/// 创建一个新的预览控件取代已有的预览控件
/// </summary>
private async Task UpdateNewPrevisualControl(StorageEntry entry)
{
// 文件类型与上一个不同
PrevisualEntry = null;
this.PrevisualPopup.IsOpen = false;
this.PrevisualContainer.Children.Remove(PrevisualControl);
this.InitialPrevisualModel(entry);
await PrevisualEntry.PreparePreviewAsync();
this.UpdatePrevisual(false);
}
/// <summary>
/// 关闭预览
/// </summary>
public void DismisssPrevisual()
{
PrevisualEntry = null;
this.PrevisualContainer.Children.Remove(PrevisualControl);
this.PrevisualPopup.IsOpen = false;
}
