//private void ShowSharedRtf(DataPackageView shareData)
//{
// //throw new NotImplementedException();
//}
private async Task ShowSharedHtml(DataPackageView shareData)
{
DefaultViewModel["IsHtmlShared"] = true;
DefaultViewModel["IsHtmlLoading"] = true;
var sharedHtmlContent = await shareData.GetHtmlFormatAsync();
if (!String.IsNullOrEmpty(sharedHtmlContent))
{
// Convert the shared content that contains extra header data into just the working fragment
var sharedHtmlFragment = HtmlFormatHelper.GetStaticFragment(sharedHtmlContent);
// Reconcile any resource-mapped image references
var sharedResourceMap = await shareData.GetResourceMapAsync();
foreach (var resource in sharedResourceMap)
{
var mappedImageElement = String.Format("<img src={0}>", resource.Key);
var replacementImageBase64 = await resource.Value.Base64EncodeContent();
var replacementImageElement = String.Format("<img src='data:image/png;base64,{0}' />", replacementImageBase64);
var imageIndex = sharedHtmlFragment.IndexOf(mappedImageElement, StringComparison.Ordinal);
while (imageIndex >= 0)
{
sharedHtmlFragment = sharedHtmlFragment.Remove(imageIndex, mappedImageElement.Length);
sharedHtmlFragment = sharedHtmlFragment.Insert(imageIndex, replacementImageElement);
imageIndex = sharedHtmlFragment.IndexOf(mappedImageElement, StringComparison.Ordinal);
}
}
DefaultViewModel["IsHtmlLoading"] = false;
DefaultViewModel["SharedHtml"] = sharedHtmlFragment;
}
}
// Note: this sample is not trying to resolve and render the HTML using resource map.
// Please refer to the Clipboard JavaScript sample for an example of how to use resource map
// for local images display within an HTML format. This sample will only demonstrate how to
// get a resource map object and extract its key values
async void DisplayResourceMapAsync(DataPackageView dataPackageView)
{
OutputResourceMapKeys.Text = Environment.NewLine + "Resource map: ";
IReadOnlyDictionary <string, RandomAccessStreamReference> resMap = null;
try
{
resMap = await dataPackageView.GetResourceMapAsync();
}
catch (Exception ex)
{
rootPage.NotifyUser("Error retrieving Resource map from Clipboard: " + ex.Message, NotifyType.ErrorMessage);
}
if (resMap != null)
{
if (resMap.Count > 0)
{
foreach (var item in resMap)
{
OutputResourceMapKeys.Text += Environment.NewLine + "Key: " + item.Key;
}
}
else
{
OutputResourceMapKeys.Text += Environment.NewLine + "Resource map is empty";
}
}
}
IAsyncOperation <IReadOnlyDictionary <string, RandomAccessStreamReference> > IDataPackageViewResolver.GetResourceMapAsync(DataPackageView dataPackageView) => dataPackageView.GetResourceMapAsync();
