Created
August 4, 2020 17:05
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| class StepDataAdapter(var stepList : List<StepData>) : RecyclerView.Adapter<StepDataVH>() { | |
| var mirrorList : List<StepData>? = null | |
| override fun getItemViewType(position: Int): Int = when (position) { | |
| 0 -> HEADER | |
| else -> DATA | |
| } | |
| override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): StepDataVH { | |
| val inflater = LayoutInflater.from(parent.context) | |
| return when (viewType) { | |
| HEADER -> { | |
| StepDataVH(ItemHeaderBinding.inflate(inflater, parent, false)) | |
| } | |
| else -> { | |
| StepDataVH(ItemStepDataBinding.inflate(inflater, parent, false)) | |
| } | |
| } | |
| } | |
| override fun getItemCount(): Int { | |
| return stepList.size + 1 | |
| } | |
| override fun onBindViewHolder(holder: StepDataVH, position: Int) { | |
| when (position) { | |
| 0 -> { | |
| val binding = holder.binder as ItemHeaderBinding | |
| binding.tvHeaderDate.setOnClickListener { | |
| //if mirrorlist is null switch to descending else ascending | |
| mirrorList?.let { | |
| mirrorList = null | |
| binding.tvHeaderDate.text = FitApp.ctx.getString(R.string.date_desc) | |
| } ?: run { | |
| mirrorList = stepList.reversed() | |
| binding.tvHeaderDate.text = FitApp.ctx.getString(R.string.date) | |
| } | |
| //just notify the actual list data not the header, nanoseconds saved | |
| notifyItemRangeChanged(1, stepList!!.size+1) | |
| } | |
| } | |
| else -> { | |
| val binding = holder.binder as ItemStepDataBinding | |
| //if mirrorList is active use it | |
| val item = (mirrorList ?: stepList)[position-1] | |
| binding.tvDate.text = DateFormat.getMediumDateFormat(binding.root.context).format(item.date) | |
| binding.tvSteps.text = item.steps.toString() | |
| } | |
| } | |
| } | |
| } | |
| class StepDataVH(var binder : ViewBinding) : RecyclerView.ViewHolder(binder.root) { | |
| } |
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