MessageItemAdapter

MessageItemAdapter

public class MessageItemAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

	private List<MessageModel> messages;
	private String managerPhotoUrl;

	public MessageItemAdapter(List<MessageModel> messages) {
		this.messages = messages;
	}

	public void setManagerPhotoUrl(String url) {
		if (!StringUtils.isBlank(url))
			this.managerPhotoUrl = url;
	}

	@Override
	public int getItemViewType(int position) {
		return messages.get(position).author;
	}

	@NonNull
	@Override
	public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int viewType) {
		View view;
		switch (viewType) {
			case 0:
				view = LayoutInflater.from(viewGroup.getContext())
						.inflate(R.layout.layout_message_outgoing, viewGroup, false);
				return new MessageOutgoingItemViewHolder(view);
			case 1:
				view = LayoutInflater.from(viewGroup.getContext())
						.inflate(R.layout.layout_message_incoming, viewGroup, false);
				return new MessageIncomingItemViewHolder(view);
			default:
				view = LayoutInflater.from(viewGroup.getContext())
						.inflate(R.layout.layout_message_outgoing, viewGroup, false);
				break;
		}
		return new MessageIncomingItemViewHolder(view);
	}

	@Override
	public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
		MessageModel messageModel = messages.get(position);
		switch (holder.getItemViewType()) {
			case 0:
				MessageOutgoingItemViewHolder messageOutgoingItemViewHolder = (MessageOutgoingItemViewHolder) holder;
				messageOutgoingItemViewHolder.bind(messageModel);
				break;
			case 1:
				MessageIncomingItemViewHolder messageIncomingItemViewHolder = (MessageIncomingItemViewHolder) holder;
				messageIncomingItemViewHolder.bind(messageModel, managerPhotoUrl);
				break;
		}
	}

	@Override
	public int getItemCount() {
		return messages.size();
	}

	public void addItems(List<MessageModel> newMessages) {
		if (newMessages != null && newMessages.size() != 0) {
			messages.addAll(newMessages);
			notifyDataSetChanged();
		}
	}

	public void refreshMessages(List<MessageModel> newMessages) {
		if (newMessages != null && newMessages.size() != 0) {
			messages.clear();
			messages.addAll(newMessages);
			notifyDataSetChanged();
		}
	}

	public class MessageIncomingItemViewHolder extends RecyclerView.ViewHolder {
		@BindView(R.id.imageView_managerAvatar)
		ImageView managerAvatar;

		@BindView(R.id.textView_incoming_message)
		TextView incomingMsgText;

		@BindView(R.id.textView_incoming_messageSendTime)
		TextView incomingMsgSendTime;

		public MessageIncomingItemViewHolder(@NonNull View itemView) {
			super(itemView);
			ButterKnife.bind(this, itemView);
		}

		public void bind(MessageModel messageModel, String managerPhotoUrl) {
			if (!StringUtils.isBlank(managerPhotoUrl)) {
				GlideApp.with(managerAvatar.getContext())
						.load(managerPhotoUrl)
						.placeholder(R.drawable.chat_avatar_default)
						.circleCrop()
						.into(managerAvatar);
			}
			incomingMsgText.setText(messageModel.text);
			incomingMsgSendTime.setText(messageModel.dateSend);
		}
	}

	public class MessageOutgoingItemViewHolder extends RecyclerView.ViewHolder {
		@BindView(R.id.textView_message_outgoing)
		TextView outgoingMsgText;

		@BindView(R.id.textView_outgoing_messageSendTime)
		TextView outgoingMsgSendTime;

		public MessageOutgoingItemViewHolder(@NonNull View itemView) {
			super(itemView);
			ButterKnife.bind(this, itemView);
		}

		public void bind(MessageModel messageModel) {
			outgoingMsgText.setText(messageModel.text);
			outgoingMsgSendTime.setText(messageModel.dateSend);
		}
	}
}