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LanguageSettingsFragment.kt
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LanguageSettingsFragment.kt
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package org.cru.godtools.ui.languages
import android.os.Bundle
import androidx.fragment.app.viewModels
import androidx.lifecycle.ViewModel
import androidx.lifecycle.switchMap
import dagger.hilt.android.AndroidEntryPoint
import dagger.hilt.android.lifecycle.HiltViewModel
import javax.inject.Inject
import org.ccci.gto.android.common.androidx.lifecycle.orEmpty
import org.ccci.gto.android.common.db.findLiveData
import org.cru.godtools.R
import org.cru.godtools.base.Settings
import org.cru.godtools.databinding.LanguageSettingsFragmentBinding
import org.cru.godtools.fragment.BasePlatformFragment
import org.cru.godtools.model.Language
import org.keynote.godtools.android.db.GodToolsDao
@AndroidEntryPoint
class LanguageSettingsFragment :
BasePlatformFragment<LanguageSettingsFragmentBinding>(R.layout.language_settings_fragment),
LanguageSettingsFragmentBindingCallbacks {
override fun onBindingCreated(binding: LanguageSettingsFragmentBinding, savedInstanceState: Bundle?) {
super.onBindingCreated(binding, savedInstanceState)
binding.callbacks = this
binding.primaryLocale = settings.primaryLanguageLiveData
binding.primaryLanguage = dataModel.primaryLanguage
binding.parallelLocale = settings.parallelLanguageLiveData
binding.parallelLanguage = dataModel.parallelLanguage
}
private val dataModel: LanguageSettingsFragmentDataModel by viewModels()
override fun editPrimaryLanguage() = requireActivity().startLanguageSelectionActivity(true)
override fun editParallelLanguage() = requireActivity().startLanguageSelectionActivity(false)
}
@HiltViewModel
class LanguageSettingsFragmentDataModel @Inject constructor(dao: GodToolsDao, settings: Settings) :
ViewModel() {
val primaryLanguage = settings.primaryLanguageLiveData.switchMap { dao.findLiveData<Language>(it) }
val parallelLanguage =
settings.parallelLanguageLiveData.switchMap { it?.let { dao.findLiveData<Language>(it) }.orEmpty() }
}
interface LanguageSettingsFragmentBindingCallbacks {
fun editPrimaryLanguage()
fun editParallelLanguage()
}