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Diffstat (limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderFragment.kt')
-rw-r--r--merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderFragment.kt115
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diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderFragment.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderFragment.kt
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+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderFragment.kt
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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.merchantpos.order
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.Observer
+import androidx.navigation.fragment.findNavController
+import androidx.transition.TransitionManager.beginDelayedTransition
+import kotlinx.android.synthetic.main.fragment_order.*
+import net.taler.merchantpos.MainViewModel
+import net.taler.merchantpos.R
+import net.taler.merchantpos.navigate
+import net.taler.merchantpos.order.OrderFragmentDirections.Companion.actionGlobalConfigFetcher
+import net.taler.merchantpos.order.OrderFragmentDirections.Companion.actionOrderToMerchantSettings
+import net.taler.merchantpos.order.OrderFragmentDirections.Companion.actionOrderToProcessPayment
+import net.taler.merchantpos.order.RestartState.ENABLED
+import net.taler.merchantpos.order.RestartState.UNDO
+
+class OrderFragment : Fragment() {
+
+ private val viewModel: MainViewModel by activityViewModels()
+ private val orderManager by lazy { viewModel.orderManager }
+ private val paymentManager by lazy { viewModel.paymentManager }
+
+ override fun onCreateView(
+ inflater: LayoutInflater,
+ container: ViewGroup?,
+ savedInstanceState: Bundle?
+ ): View? {
+ return inflater.inflate(R.layout.fragment_order, container, false)
+ }
+
+ override fun onActivityCreated(savedInstanceState: Bundle?) {
+ super.onActivityCreated(savedInstanceState)
+ orderManager.currentOrderId.observe(viewLifecycleOwner, Observer { orderId ->
+ val liveOrder = orderManager.getOrder(orderId)
+ onOrderSwitched(orderId, liveOrder)
+ // add a new OrderStateFragment for each order
+ // as switching its internals (like we do here) would be too messy
+ childFragmentManager.beginTransaction()
+ .replace(R.id.fragment1, OrderStateFragment())
+ .commit()
+ })
+ }
+
+ override fun onStart() {
+ super.onStart()
+ if (!viewModel.configManager.config.isValid()) {
+ actionOrderToMerchantSettings().navigate(findNavController())
+ } else if (viewModel.configManager.merchantConfig?.currency == null) {
+ actionGlobalConfigFetcher().navigate(findNavController())
+ }
+ }
+
+ private fun onOrderSwitched(orderId: Int, liveOrder: LiveOrder) {
+ // order title
+ liveOrder.order.observe(viewLifecycleOwner, Observer { order ->
+ activity?.title = getString(R.string.order_label_title, order.title)
+ })
+ // restart button
+ restartButton.setOnClickListener { liveOrder.restartOrUndo() }
+ liveOrder.restartState.observe(viewLifecycleOwner, Observer { state ->
+ beginDelayedTransition(view as ViewGroup)
+ if (state == UNDO) {
+ restartButton.setText(R.string.order_undo)
+ restartButton.isEnabled = true
+ completeButton.isEnabled = false
+ } else {
+ restartButton.setText(R.string.order_restart)
+ restartButton.isEnabled = state == ENABLED
+ completeButton.isEnabled = state == ENABLED
+ }
+ })
+ // -1 and +1 buttons
+ liveOrder.modifyOrderAllowed.observe(viewLifecycleOwner, Observer { allowed ->
+ minusButton.isEnabled = allowed
+ plusButton.isEnabled = allowed
+ })
+ minusButton.setOnClickListener { liveOrder.decreaseSelectedOrderLine() }
+ plusButton.setOnClickListener { liveOrder.increaseSelectedOrderLine() }
+ // previous and next button
+ prevButton.isEnabled = orderManager.hasPreviousOrder(orderId)
+ orderManager.hasNextOrder(orderId).observe(viewLifecycleOwner, Observer { hasNextOrder ->
+ nextButton.isEnabled = hasNextOrder
+ })
+ prevButton.setOnClickListener { orderManager.previousOrder() }
+ nextButton.setOnClickListener { orderManager.nextOrder() }
+ // complete button
+ completeButton.setOnClickListener {
+ val order = liveOrder.order.value ?: return@setOnClickListener
+ paymentManager.createPayment(order)
+ actionOrderToProcessPayment().navigate(findNavController())
+ }
+ }
+
+}