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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.LayoutInflater
import android.view.View
import android.view.View.INVISIBLE
import android.view.View.VISIBLE
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.lifecycle.Observer
import androidx.recyclerview.widget.DividerItemDecoration
import androidx.recyclerview.widget.LinearLayoutManager.VERTICAL
import kotlinx.android.synthetic.main.fragment_transactions.*
import net.taler.common.fadeIn
import net.taler.common.fadeOut
import net.taler.wallet.MainViewModel
import net.taler.wallet.R
internal interface OnEventClickListener {
fun onTransactionClicked(historyEvent: HistoryEvent)
}
class DevHistoryFragment : Fragment(),
OnEventClickListener {
private val model: MainViewModel by activityViewModels()
private val historyManager by lazy { model.historyManager }
private val historyAdapter by lazy { DevHistoryAdapter(this) }
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
return inflater.inflate(R.layout.fragment_transactions, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
if (savedInstanceState == null) historyManager.loadHistory()
list.apply {
adapter = historyAdapter
addItemDecoration(DividerItemDecoration(context, VERTICAL))
}
historyManager.progress.observe(viewLifecycleOwner, Observer { show ->
progressBar.visibility = if (show) VISIBLE else INVISIBLE
})
historyManager.history.observe(viewLifecycleOwner, Observer { result ->
onHistoryResult(result)
})
}
override fun onTransactionClicked(historyEvent: HistoryEvent) {
JsonDialogFragment.new(historyEvent.json.toString(2))
.show(parentFragmentManager, null)
}
private fun onHistoryResult(result: HistoryResult) = when (result) {
HistoryResult.Error -> {
list.fadeOut()
emptyState.text = getString(R.string.transactions_error)
emptyState.fadeIn()
}
is HistoryResult.Success -> {
emptyState.visibility = if (result.history.isEmpty()) VISIBLE else INVISIBLE
historyAdapter.update(result.history)
list.fadeIn()
}
}
}
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