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+/*
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+ * Nextcloud Talk application
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+ *
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+ * @author Julius Linus
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+ * @author Andy Scherzinger
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+ * Copyright (C) 2023 Julius Linus <julius.linus@nextcloud.com>
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+ * Copyright (C) 2023 Andy Scherzinger <info@andy-scherzinger.de>
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+package com.nextcloud.talk.translate
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+
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+import android.graphics.drawable.ColorDrawable
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+import android.os.Bundle
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+import android.text.method.ScrollingMovementMethod
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+import android.util.Log
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+import android.view.View
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+import android.widget.AdapterView
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+import android.widget.ArrayAdapter
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+import androidx.appcompat.app.AlertDialog
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+import autodagger.AutoInjector
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+import com.google.android.material.dialog.MaterialAlertDialogBuilder
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+import com.nextcloud.talk.R
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+import com.nextcloud.talk.activities.BaseActivity
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+import com.nextcloud.talk.api.NcApi
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+import com.nextcloud.talk.application.NextcloudTalkApplication
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+import com.nextcloud.talk.data.user.model.User
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+import com.nextcloud.talk.databinding.ActivityTranslateBinding
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+import com.nextcloud.talk.models.json.translations.TranslationsOverall
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+import com.nextcloud.talk.users.UserManager
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+import com.nextcloud.talk.utils.ApiUtils
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+import com.nextcloud.talk.utils.bundle.BundleKeys
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+import com.nextcloud.talk.utils.database.user.CapabilitiesUtilNew
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+import io.reactivex.Observer
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+import io.reactivex.android.schedulers.AndroidSchedulers
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+import io.reactivex.disposables.Disposable
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+import io.reactivex.schedulers.Schedulers
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+import org.json.JSONArray
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+import java.util.Locale
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+import javax.inject.Inject
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+
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+@AutoInjector(NextcloudTalkApplication::class)
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+class TranslateActivity : BaseActivity() {
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+ private lateinit var binding: ActivityTranslateBinding
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+
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+ @Inject
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+ lateinit var ncApi: NcApi
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+
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+ @Inject
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+ lateinit var userManager: UserManager
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+
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+ var fromLanguages = arrayOf<String>()
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+
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+ var toLanguages = arrayOf<String>()
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+
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+ var text: String? = null
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+
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+ var check: Int = 0
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+
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+ override fun onCreate(savedInstanceState: Bundle?) {
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+ super.onCreate(savedInstanceState)
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+ NextcloudTalkApplication.sharedApplication!!.componentApplication.inject(this)
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+ binding = ActivityTranslateBinding.inflate(layoutInflater)
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+
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+ setupActionBar()
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+ setContentView(binding.root)
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+ setupSystemColors()
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+ setupTextViews()
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+ setupSpinners()
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+ getLanguageOptions()
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+ translate(null, Locale.getDefault().language)
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+ }
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+
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+ private fun setupActionBar() {
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+ setSupportActionBar(binding.translationToolbar)
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+ binding.translationToolbar.setNavigationOnClickListener {
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+ onBackPressed()
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+ }
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+ supportActionBar?.setDisplayHomeAsUpEnabled(true)
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+ supportActionBar?.setDisplayShowHomeEnabled(true)
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+ supportActionBar?.setIcon(ColorDrawable(resources!!.getColor(R.color.transparent)))
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+ supportActionBar?.title = resources!!.getString(R.string.translation)
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+ viewThemeUtils.material.themeToolbar(binding.translationToolbar)
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+ }
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+
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+ private fun setupTextViews() {
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+ val original = binding.originalMessageTextview
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+ val translation = binding.translatedMessageTextview
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+
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+ viewThemeUtils.talk.themeIncomingMessageBubble(original, grouped = true, deleted = false)
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+ viewThemeUtils.talk.themeIncomingMessageBubble(translation, grouped = true, deleted = false)
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+
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+ original.movementMethod = ScrollingMovementMethod()
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+ translation.movementMethod = ScrollingMovementMethod()
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+
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+ val bundle = intent.extras
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+ binding.originalMessageTextview.text = bundle?.getString(BundleKeys.KEY_TRANSLATE_MESSAGE)
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+ text = bundle?.getString(BundleKeys.KEY_TRANSLATE_MESSAGE)
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+ }
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+
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+ private fun getLanguageOptions() {
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+ val currentUser: User = userManager.currentUser.blockingGet()
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+ val json = JSONArray(CapabilitiesUtilNew.getLanguages(currentUser).toString())
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+
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+ val fromLanguagesSet = mutableSetOf(resources.getString(R.string.translation_detect_language))
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+ val toLanguagesSet = mutableSetOf(resources.getString(R.string.translation_device_settings))
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+
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+ for (i in 0 until json.length()) {
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+ val current = json.getJSONObject(i)
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+ if (current.getString(FROM_ID) != Locale.getDefault().language) {
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+ toLanguagesSet.add(current.getString(FROM_LABEL))
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+ }
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+
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+ fromLanguagesSet.add(current.getString(TO_LABEL))
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+ }
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+
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+ fromLanguages = fromLanguagesSet.toTypedArray()
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+ toLanguages = toLanguagesSet.toTypedArray()
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+
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+ fillSpinners()
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+ }
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+
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+ private fun enableSpinners(value: Boolean) {
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+ binding.fromLanguageInputLayout.isEnabled = value
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+ binding.toLanguageInputLayout.isEnabled = value
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+ }
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+
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+ private fun translate(fromLanguage: String?, toLanguage: String) {
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+ val currentUser: User = userManager.currentUser.blockingGet()
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+ val credentials: String = ApiUtils.getCredentials(currentUser.username, currentUser.token)
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+ val translateURL = ApiUtils.getUrlForTranslation(currentUser.baseUrl)
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+ val calculatedFromLanguage = if (fromLanguage == null || fromLanguage == "") {
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+ null
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+ } else {
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+ fromLanguage
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+ }
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+
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+ Log.i(TAG, "Url is: $translateURL")
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+ ncApi.translateMessage(credentials, translateURL, text, toLanguage, calculatedFromLanguage)
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+ ?.subscribeOn(Schedulers.io())
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+ ?.observeOn(AndroidSchedulers.mainThread())
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+ ?.subscribe(object : Observer<TranslationsOverall> {
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+ override fun onSubscribe(d: Disposable) {
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+ enableSpinners(false)
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+ binding.translatedMessageTextview.visibility = View.GONE
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+ binding.progressBar.visibility = View.VISIBLE
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+ }
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+
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+ override fun onNext(translationOverall: TranslationsOverall) {
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+ binding.progressBar.visibility = View.GONE
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+ binding.translatedMessageTextview.visibility = View.VISIBLE
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+ binding.translatedMessageTextview.text = translationOverall.ocs?.data?.text
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+ }
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+
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+ override fun onError(e: Throwable) {
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+ Log.w(TAG, "Error while translating message", e)
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+ binding.progressBar.visibility = View.GONE
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+ val dialogBuilder = MaterialAlertDialogBuilder(this@TranslateActivity)
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+ .setIcon(
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+ viewThemeUtils.dialog.colorMaterialAlertDialogIcon(
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+ context,
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+ R.drawable.ic_warning_white
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+ )
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+ )
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+ .setTitle(R.string.translation_error_title)
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+ .setMessage(R.string.translation_error_message)
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+ .setPositiveButton(R.string.nc_ok) { dialog, _ ->
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+ dialog.dismiss()
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+ }
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+
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+ viewThemeUtils.dialog.colorMaterialAlertDialogBackground(context, dialogBuilder)
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+
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+ val dialog = dialogBuilder.show()
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+
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+ viewThemeUtils.platform.colorTextButtons(
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+ dialog.getButton(AlertDialog.BUTTON_POSITIVE)
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+ )
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+ }
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+
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+ override fun onComplete() {
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+ // nothing?
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+ }
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+ })
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+
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+ enableSpinners(true)
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+ }
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+
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+ private fun getISOFromLanguage(language: String): String {
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+ if (resources.getString(R.string.translation_device_settings).equals(language)) {
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+ return Locale.getDefault().language
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+ }
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+
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+ return getISOFromServer(language)
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+ }
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+
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+ private fun getISOFromServer(language: String): String {
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+ val currentUser: User = userManager.currentUser.blockingGet()
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+ val json = JSONArray(CapabilitiesUtilNew.getLanguages(currentUser).toString())
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+
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+ for (i in 0..json.length() - 1) {
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+ val current = json.getJSONObject(i)
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+ if (current.getString(FROM_LABEL) == language) {
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+ return current.getString(FROM_ID)
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+ }
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+ }
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+
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+ return ""
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+ }
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+
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+ private fun setupSpinners() {
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+ viewThemeUtils.material.colorTextInputLayout(binding.fromLanguageInputLayout)
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+ viewThemeUtils.material.colorTextInputLayout(binding.toLanguageInputLayout)
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+ fillSpinners()
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+
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+ binding.fromLanguage.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
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+ override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
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+ if (++check > 1) {
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+ val fromLabel: String = getISOFromLanguage(parent.getItemAtPosition(position).toString())
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+ val toLabel: String = getISOFromLanguage(binding.fromLanguage.text.toString())
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+ Log.i(TAG, "fromLanguageSpinner :: $FROM_LABEL = $fromLabel, $TO_LABEL = $ count: $check")
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+ translate(fromLabel, toLabel)
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+ }
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+ }
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+
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+ override fun onNothingSelected(parent: AdapterView<*>) {
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+ // write code to perform some action
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+ }
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+ }
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+
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+ binding.toLanguage.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
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+ override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
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+ if (++check > 2) {
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+ val toLabel: String = getISOFromLanguage(parent.getItemAtPosition(position).toString())
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+ val fromLabel: String = getISOFromLanguage(binding.fromLanguage.text.toString())
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+ Log.i(TAG, "toLanguageSpinner :: $FROM_LABEL = $fromLabel, $TO_LABEL = $toLabel count: $check")
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+ translate(fromLabel, toLabel)
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+ }
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+ }
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+
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+ override fun onNothingSelected(parent: AdapterView<*>) {
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+ // write code to perform some action
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+ }
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+ }
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+ }
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+
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+ private fun fillSpinners() {
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+ binding.fromLanguage.setAdapter(
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+ ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, fromLanguages)
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+ )
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+ if (fromLanguages.isNotEmpty()) {
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+ binding.fromLanguage.setText(fromLanguages[0])
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+ }
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+
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+ binding.toLanguage.setAdapter(
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+ ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, toLanguages)
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+ )
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+ if (toLanguages.isNotEmpty()) {
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+ binding.toLanguage.setText(toLanguages[0])
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+ }
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+ }
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+
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+ companion object {
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+ private val TAG = TranslateActivity::class.simpleName
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+ private const val FROM_ID = "from"
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+ private const val FROM_LABEL = "fromLabel"
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+ private const val TO_LABEL = "toLabel"
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+ }
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+}
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Andy Scherzinger