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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.wallet.history
import android.os.Bundle
import android.view.*
import android.view.View.INVISIBLE
import android.view.View.VISIBLE
import androidx.fragment.app.Fragment
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProvider
import androidx.recyclerview.widget.DividerItemDecoration
import androidx.recyclerview.widget.LinearLayoutManager
import kotlinx.android.synthetic.main.fragment_show_history.*
import net.taler.wallet.R
import net.taler.wallet.WalletViewModel
interface OnEventClickListener {
fun onEventClicked(event: HistoryEvent)
}
/**
* Wallet history.
*
*/
class WalletHistory : Fragment(), OnEventClickListener {
lateinit var model: WalletViewModel
private lateinit var showAllItem: MenuItem
private val historyAdapter = WalletHistoryAdapter(this)
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setHasOptionsMenu(true)
model = activity?.run {
ViewModelProvider(this)[WalletViewModel::class.java]
} ?: throw Exception("Invalid Activity")
}
override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
inflater.inflate(R.menu.history, menu)
showAllItem = menu.findItem(R.id.show_all_history)
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return when (item.itemId) {
R.id.show_all_history -> {
item.isChecked = !item.isChecked
model.historyShowAll.value = item.isChecked
true
}
R.id.reload_history -> {
model.historyShowAll.value = showAllItem.isChecked
true
}
else -> super.onOptionsItemSelected(item)
}
}
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
return inflater.inflate(R.layout.fragment_show_history, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
historyList.apply {
val myLayoutManager = LinearLayoutManager(context)
val myItemDecoration = DividerItemDecoration(context, myLayoutManager.orientation)
layoutManager = myLayoutManager
adapter = historyAdapter
addItemDecoration(myItemDecoration)
}
model.historyProgress.observe(this, Observer { show ->
historyProgressBar.visibility = if (show) VISIBLE else INVISIBLE
})
model.history.observe(this, Observer { history ->
historyEmptyState.visibility = if (history.isEmpty()) VISIBLE else INVISIBLE
historyAdapter.update(history)
})
// kicks off initial load, needs to be adapted if showAll state is ever saved
if (savedInstanceState == null) model.historyShowAll.value = false
}
override fun onEventClicked(event: HistoryEvent) {
JsonDialogFragment.new(event.json.toString(4))
.show(parentFragmentManager, null)
}
companion object {
const val TAG = "taler-wallet"
}
}
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