public async void sendText()
{
Message msgResponse = null;
if (TextMsg != null && TextMsg != "")
{
LoadingIndicator = true;
if (App.User == null)
{
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "Not logged in",
Content = "You are not logged in and cannot sync with the server",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
return;
}
MessageApi api = MessageApi.getInstance();
Message sentMsg = new Message
{
SenderId = App.User.id,
GroupChatID = group.group.id,
Content = TextMsg
};
msgResponse = await api.sendMessageData(sentMsg);
// If message was not sent to the server, initialize empty message with group id
if (msgResponse == null)
{
msgResponse = new PenscribCommon.Models.Message
{
id = "---",
GroupChatID = group.group.id,
Content = TextMsg
};
MessageContent badmsg = new MessageContent(msgResponse, App.User, null, MessageContent.errorImage);
History.Add(badmsg);
// Launch warning popup
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "No Wifi",
Content = "Your message did not send. Please check your wifi signal.",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
}
else
{
MessageContent msg = new MessageContent(msgResponse, App.User, null);
History.Add(msg);
}
TextMsg = "";
LoadingIndicator = false;
}
}
private async void send()
{
if (App.User == null)
{
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "Not logged in",
Content = "You are not logged in and cannot sync with the server",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
return;
}
try
{
LoadingIndicator = true;
// Create a file for storing the drawing
string filename = DateTime.Now.ToString("yyyy-MM-ddTHHmmssffff") + ".png";
StorageFolder storageFolder = ApplicationData.Current.LocalFolder;
StorageFile targetFile = await storageFolder.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
System.Diagnostics.Debug.WriteLine("Saving message as " + targetFile.Path);
// Used to pass message back to MessagesHistory
BitmapImage bitmapImage = new BitmapImage();
Message msgResponse = null;
if (targetFile != null)
{
CanvasDevice device = CanvasDevice.GetSharedDevice();
CanvasRenderTarget renderTarget = new CanvasRenderTarget(device, (int)canvasElements.canvas.ActualWidth,
(int)canvasElements.canvas.ActualHeight, BITMAP_DPI_RESOLUTION);
using (var drawSession = renderTarget.CreateDrawingSession())
{
// Set the background color of the image
drawSession.Clear(Colors.White);
//Transfer the background image to the bitmap image if there is a background image
if (BackgroundImagePath != null && BackgroundImagePath.Length > 0)
{
CanvasBitmap background = await CanvasBitmap.LoadAsync(device,
formatBackgroundFilePath(BackgroundImagePath));
drawSession.DrawImage(background);
}
if (imageFilePath != null)
{
System.Diagnostics.Debug.WriteLine(" SENDING IMAGE FILE ");
CanvasBitmap image = await CanvasBitmap.LoadAsync(device, imageFilePath);
drawSession.DrawImage(image, new Windows.Foundation.Rect(xOffset, yOffset, newWidth, newHeight));
}
// Transfer all the strokes to the bitmap image
drawSession.DrawInk(canvasElements.canvas.InkPresenter.StrokeContainer.GetStrokes());
}
using (IRandomAccessStream stream = await targetFile.OpenAsync(FileAccessMode.ReadWrite))
{
await renderTarget.SaveAsync(stream, CanvasBitmapFileFormat.Png, 1f);
}
MessageApi api = MessageApi.getInstance();
Message sentMsg = new Message
{
SenderId = App.User.id,
GroupChatID = group.group.id
};
msgResponse = await api.sendMessageData(sentMsg);
if (msgResponse != null)
{
using (Stream stream = await targetFile.OpenStreamForReadAsync())
{
// Send the image file. If successful rename the local file to the id
if (await api.sendMessageFile(stream, msgResponse.id))
{
// rename the locally saved file to incorporate the server generated id
await targetFile.RenameAsync(msgResponse.id + ".png");
}
else
{
System.Diagnostics.Debug.WriteLine("File failed to send");
// Launch warning popup
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "File failed to send",
Content = "Your message did not send. Please check your wifi signal.",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
}
}
}
else
{
System.Diagnostics.Debug.WriteLine("Message failed to send");
// Launch warning popup
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "File failed to send",
Content = "Your message did not send. Please check your wifi signal.",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
}
}
MessageContent msg = null;
Uri imageUri = new Uri(targetFile.Path, UriKind.Absolute);
// If message was not sent to the server, initialize empty message with group id
if (msgResponse == null)
{
msgResponse = new PenscribCommon.Models.Message
{
id = "---",
GroupChatID = group.group.id,
};
msg = new MessageContent(msgResponse, App.User, imageUri, MessageContent.errorImage);
}
else
{
msg = new MessageContent(msgResponse, App.User, imageUri);
}
//Uri imageUri = new Uri(targetFile.Path, UriKind.Absolute);
//MessageContent msg = new MessageContent(msgResponse, App.User, imageUri);
LeftFrameNavigator.NavigateSubFrame(typeof(MessageHistoryView), msg);
// Clear the canvas
canvasElements.canvas.InkPresenter.StrokeContainer.Clear();
// Clear any background image
BackgroundImagePath = null;
group.backgroundPath = null;
// Clear any loaded image
imageFilePath = null;
sourceImage = null;
ImageBitmap = sourceImage;
group.imageContainer = null;
}
finally
{
LoadingIndicator = false;
}
}
