// For the date attribute header
public override NSAttributedString GetMessageBubbleTopLabelAttributedText(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var index = (int)indexPath.Item;
var message = messages[index];
return(MessagesTimestampFormatter.SharedFormatter.GetAttributedTimestamp(message.Date));
}
public override IMessageBubbleImageDataSource GetMessageBubbleImageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = messages [indexPath.Row];
if (message.SenderId == SenderId)
return outgoingBubbleImageData;
return incomingBubbleImageData;
}
public override IMessageAvatarImageDataSource GetAvatarImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
if (messages[indexPath.Row].SenderId.Equals(CHATTER_ID))
{
return(MessagesAvatarImageFactory.CreateAvatarImage(UIImage.FromBundle("friend"), 25));
}
;
return(null);
}
public override IMessageAvatarImageDataSource GetAvatarImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = _messages[indexPath.Row];
if (message.SenderId == SenderId)
{
return(_incomingAvatar);
}
return(_outgoingAvatar);
}
public override IMessageBubbleImageDataSource GetMessageBubbleImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = messages[indexPath.Row];
if (message.SenderId.Equals(SenderId))
{
return(outgoingBubbleImageData);
}
return(incomingBubbleImageData);
}
public override IMessageBubbleImageDataSource GetMessageBubbleImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = messages[indexPath.Row];
if (message.SenderId == AppSettingsManager.ClientId)
{
return(outgoingBubbleImageData);
}
return(incomingBubbleImageData);
}
public override NSAttributedString GetMessageBubbleTopLabelAttributedText(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var timestampAttributes = new UIStringAttributes {
ForegroundColor = Theme.Current.IncomingTextColor,
BackgroundColor = UIColor.White,
Font = Theme.Current.MessageFont
};
MessageViewModel message = viewModel.Messages [indexPath.Row];
var timestamp = new NSAttributedString(message.Timestamp.ToString("MMM d, hh:mm tt"), timestampAttributes);
return(timestamp);
}
public override NSAttributedString GetMessageBubbleTopLabelAttributedText (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var timestampAttributes = new UIStringAttributes {
ForegroundColor = Theme.Current.IncomingTextColor,
BackgroundColor = UIColor.White,
Font = Theme.Current.MessageFont
};
MessageViewModel message = viewModel.Messages [indexPath.Row];
var timestamp = new NSAttributedString (message.Timestamp.ToString("MMM d, hh:mm tt"), timestampAttributes);
return timestamp;
}
public override NSAttributedString GetMessageBubbleTopLabelAttributedText(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
switch (messages[indexPath.Row].SenderId)
{
//case JAYENDRA_ID:
// return new NSAttributedString(JAYENDRA);
//case ROHIT_ID:
//return new NSAttributedString(ROHIT);
default:
return(null);
}
}
public override NSAttributedString GetCellBottomLabelAttributedText (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
MessageViewModel message = viewModel.Messages [indexPath.Row];
if (!message.IsIncoming)
{
var messageStatusAttributes = new UIStringAttributes {
ForegroundColor = Theme.Current.IncomingTextColor,
BackgroundColor = UIColor.White,
Font = Theme.Current.MessageFont
};
var messageStatus = new NSAttributedString (GetMessageStatus(message), messageStatusAttributes);
return messageStatus;
}
return null;
}
public override NSAttributedString GetCellBottomLabelAttributedText(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
MessageViewModel message = viewModel.Messages [indexPath.Row];
if (!message.IsIncoming)
{
var messageStatusAttributes = new UIStringAttributes {
ForegroundColor = Theme.Current.IncomingTextColor,
BackgroundColor = UIColor.White,
Font = Theme.Current.MessageFont
};
var messageStatus = new NSAttributedString(GetMessageStatus(message), messageStatusAttributes);
return(messageStatus);
}
return(null);
}
public override IMessageData GetMessageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
MessageViewModel msg = viewModel.Messages [indexPath.Row];
TextMessageViewModel msgAsText = msg as TextMessageViewModel;
ImageMessageViewModel msgAsImage = msg as ImageMessageViewModel;
string senderId = msg.IsIncoming ? viewModel.Friend.FriendId.ToString() : SenderId;
string senderName = msg.IsIncoming ? viewModel.Friend.Name : SenderDisplayName;
if (string.IsNullOrWhiteSpace(senderName))
{
senderName = string.Empty;
}
NSDate msgDate = (NSDate)(new DateTime(msg.Timestamp.Ticks, DateTimeKind.Utc));
var result = new JSQMessagesViewController.Message(senderId, senderName, msgDate, msgAsImage != null ? "Image message" : msgAsText.Text);
return(result);
}
public override NSAttributedString GetCellBottomLabelAttributedText(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
MessageViewModel message = viewModel.Messages [indexPath.Row];
bool isLastMessage = viewModel.Messages.Count > 0 && indexPath.Row == viewModel.Messages.Count - 1;
if (!message.IsIncoming && (isLastMessage || message.Status != MessageStatus.Seen))
{
var messageStatusAttributes = new UIStringAttributes {
ForegroundColor = Theme.Current.IncomingTextColor,
BackgroundColor = UIColor.Clear,
Font = Theme.Current.MessageFont
};
var messageStatus = new NSAttributedString(GetMessageStatus(message), messageStatusAttributes);
return(messageStatus);
}
return(null);
}
public override NSAttributedString GetMessageBubbleTopLabelAttributedText(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = messages [indexPath.Row];
Console.WriteLine(message.SenderDisplayName);
if (message.SenderId == SenderId)
{
return(new NSAttributedString(message.SenderDisplayName));
}
if (indexPath.Length - 1 > 1)
{
var previousMessage = messages [indexPath.Row - 1];
if (previousMessage.SenderId == SenderId)
{
return(null);
}
}
return(new NSAttributedString(message.SenderDisplayName));
}
public override IMessageAvatarImageDataSource GetAvatarImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
UIImage image = null;
var index = (int)indexPath.Item;
if (messages[index].SenderId == AppSettingsManager.ClientId)
{
image = GravatarManager.GetImage(GravatarUser.Customer);
}
else
{
image = GravatarManager.GetImage(GravatarUser.Agent);
}
// Default is (34, 34) for diameter
if (image != null)
{
return(MessagesAvatarImageFactory.CreateAvatarImage(image, 34));
}
return(null);
}
protected override void OnAppearing()
{
MessagingCenter.Subscribe <MessagerPageViewModel, MyFocusEventArgs>(this, Constants.ShowKeyboard, (s, args) =>
IsFocusOnKeyBoardChanged(args.IsFocused));
MessagingCenter.Subscribe <MessagerPageViewModel, ScrollToItemEventArgs>(this, Constants.ScrollToItem, (s, eargs) =>
{
MessagesCollectionView.ScrollTo(eargs.Item);
});
MessagingCenter.Subscribe <object, KeyboardAppearEventArgs>(this, Constants.iOSKeyboardAppears, (sender, eargs) =>
{
if (MessagesGrid.TranslationY == 0)
{
MessagesGrid.TranslationY -= eargs.KeyboardSize;
}
});
MessagingCenter.Subscribe <object, string>(this, Constants.iOSKeyboardDisappears, (sender, eargs) =>
{
MessagesGrid.TranslationY = 0;
});
base.OnAppearing();
}
/// <summary>
/// Gets the message data.
/// </summary>
/// <returns>The message data.</returns>
/// <param name="collectionView">Collection view.</param>
/// <param name="indexPath">Index path.</param>
public override IMessageData GetMessageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = messages [indexPath.Row];
var msg = new Message (message.sender, ContactosTableSource.cellIdentifier, NSDate.Now, message.content);
return msg;
}
public override IMessageBubbleImageDataSource GetMessageBubbleImageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = ViewModel.Messages [indexPath.Row];
if(!message.IsIncoming)
return outgoingBubbleImageData;
return incomingBubbleImageData;
}
public override IMessageAvatarImageDataSource GetAvatarImageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = ViewModel.Messages [indexPath.Row];
if (!message.IsIncoming)
return MessagesAvatarImageFactory.CreateAvatarImage (UIImage.FromBundle ("default_user"), 30);
else
return MessagesAvatarImageFactory.CreateAvatarImage (UIImage.FromBundle ("default_watson"), 30);
}
public override IMessageData GetMessageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
return(_messages[indexPath.Row]);
}
public override IMessageData GetMessageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = ViewModel.Messages [indexPath.Row];
var senderId = (message.IsIncoming) ? "watson" : "user";
return JSQMessagesViewController.Message.Create (senderId, senderId, message.Text);
}
public override IMessageAvatarImageDataSource GetAvatarImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = messages[indexPath.Row];
return(incomingAvatar);
}
// For the date attribute header
public override nfloat GetMessageBubbleTopLabelHeight(MessagesCollectionView collectionView, MessagesCollectionViewFlowLayout collectionViewLayout, NSIndexPath indexPath)
{
// Return the date on every 4th cell
return(indexPath.Item % 4 == 0 ? 20f : 0f);
}
public override void TappedMessageBubble(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
}
public override IMessageAvatarImageDataSource GetAvatarImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
return(null);
}
//public override nfloat GetMessageBubbleTopLabelHeight(MessagesCollectionView collectionView, MessagesCollectionViewFlowLayout collectionViewLayout, NSIndexPath indexPath)
//{
// return 25.0f;
//}
public override NSAttributedString GetCellBottomLabelAttributedText(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
return(new NSAttributedString(DateTime.Now.ToString("MMM d h:mm")));
}
public override nfloat GetCellBottomLabelHeight(MessagesCollectionView collectionView, MessagesCollectionViewFlowLayout collectionViewLayout, NSIndexPath indexPath)
{
return(25.0f);
}
public override nfloat GetMessageBubbleTopLabelHeight (MessagesCollectionView collectionView, MessagesCollectionViewFlowLayout collectionViewLayout, NSIndexPath indexPath)
{
return 20.0f;
}
public override NSAttributedString GetMessageBubbleTopLabelAttributedText (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = messages [indexPath.Row];
Console.WriteLine (message.SenderDisplayName);
if (message.SenderId == SenderId)
{
return new NSAttributedString (message.SenderDisplayName);
}
if (indexPath.Length -1 > 1) {
var previousMessage = messages [indexPath.Row-1];
if (previousMessage.SenderId == SenderId) {
return null;
}
}
return new NSAttributedString (message.SenderDisplayName);
}
public override IMessageBubbleImageDataSource GetMessageBubbleImageData(MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var message = viewModel.Messages [indexPath.Row];
return(message.IsIncoming ? incomingBubbleImageData : outgoingBubbleImageData);
}
//We are not using this feature, so we set it to null.
public override IMessageAvatarImageDataSource GetAvatarImageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
return null;
}
public override IMessageData GetMessageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
return messages [indexPath.Row];
}
public override IMessageData GetMessageData (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
MessageViewModel msg = viewModel.Messages [indexPath.Row];
TextMessageViewModel msgAsText = msg as TextMessageViewModel;
ImageMessageViewModel msgAsImage = msg as ImageMessageViewModel;
string senderId = msg.IsIncoming ? viewModel.Friend.FriendId.ToString () : SenderId;
string senderName = msg.IsIncoming ? viewModel.Friend.Name : SenderDisplayName;
if (string.IsNullOrWhiteSpace (senderName))
senderName = string.Empty;
NSDate msgDate = (NSDate)(new DateTime (msg.Timestamp.Ticks, DateTimeKind.Utc));
var result = new JSQMessagesViewController.Message (senderId, senderName, msgDate, msgAsImage != null ? "Image message" : msgAsText.Text);
return result;
}
public override nfloat GetMessageBubbleTopLabelHeight(MessagesCollectionView collectionView, MessagesCollectionViewFlowLayout collectionViewLayout, NSIndexPath indexPath)
{
return(20.0f);
}
