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package net.taler.merchantpos.config
import android.os.Bundle
import android.text.method.LinkMovementMethod
import android.view.LayoutInflater
import android.view.View
import android.view.View.GONE
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.navigation.fragment.findNavController
import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_LONG
import com.google.android.material.snackbar.Snackbar
import kotlinx.android.synthetic.main.fragment_merchant_config.*
import net.taler.merchantpos.MainViewModel
import net.taler.merchantpos.R
import net.taler.merchantpos.config.MerchantConfigFragmentDirections.Companion.actionSettingsToOrder
import net.taler.merchantpos.navigate
import net.taler.merchantpos.topSnackbar
/**
* Fragment that displays merchant settings.
*/
class MerchantConfigFragment : Fragment() {
private val model: MainViewModel by activityViewModels()
private val configManager by lazy { model.configManager }
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
return inflater.inflate(R.layout.fragment_merchant_config, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
okButton.setOnClickListener {
val inputUrl = configUrlView.editText!!.text
val url = if (inputUrl.startsWith("http")) {
inputUrl.toString()
} else {
"https://$inputUrl".also { configUrlView.editText!!.setText(it) }
}
progressBar.visibility = VISIBLE
okButton.visibility = INVISIBLE
val config = Config(
configUrl = url,
username = usernameView.editText!!.text.toString(),
password = passwordView.editText!!.text.toString()
)
configManager.fetchConfig(config, true, savePasswordCheckBox.isChecked)
configManager.configUpdateResult.observe(viewLifecycleOwner, Observer { result ->
if (onConfigUpdate(result)) {
configManager.configUpdateResult.removeObservers(viewLifecycleOwner)
}
})
}
forgetPasswordButton.setOnClickListener {
configManager.forgetPassword()
passwordView.editText!!.text = null
forgetPasswordButton.visibility = GONE
}
configDocsView.movementMethod = LinkMovementMethod.getInstance()
updateView(savedInstanceState == null)
}
override fun onStart() {
super.onStart()
// focus password if this is the only empty field
if (passwordView.editText!!.text.isBlank()
&& !configUrlView.editText!!.text.isBlank()
&& !usernameView.editText!!.text.isBlank()
) {
passwordView.requestFocus()
}
}
private fun updateView(isInitialization: Boolean = false) {
val config = configManager.config
configUrlView.editText!!.setText(
if (isInitialization && config.configUrl.isBlank()) CONFIG_URL_DEMO
else config.configUrl
)
usernameView.editText!!.setText(
if (isInitialization && config.username.isBlank()) CONFIG_USERNAME_DEMO
else config.username
)
passwordView.editText!!.setText(
if (isInitialization && config.password.isBlank()) CONFIG_PASSWORD_DEMO
else config.password
)
forgetPasswordButton.visibility = if (config.hasPassword()) VISIBLE else GONE
}
/**
* Processes updated config and returns true, if observer can be removed.
*/
private fun onConfigUpdate(result: ConfigUpdateResult?) = when (result) {
null -> false
is ConfigUpdateResult.Error -> {
onError(result.msg)
true
}
is ConfigUpdateResult.Success -> {
onConfigReceived(result.currency)
true
}
}
private fun onConfigReceived(currency: String) {
onResultReceived()
updateView()
topSnackbar(view!!, getString(R.string.config_changed, currency), LENGTH_LONG)
actionSettingsToOrder().navigate(findNavController())
}
private fun onError(msg: String) {
onResultReceived()
Snackbar.make(view!!, msg, LENGTH_LONG).show()
}
private fun onResultReceived() {
progressBar.visibility = INVISIBLE
okButton.visibility = VISIBLE
}
}
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