ntfy-android/app/src/main/java/io/heckel/ntfy/ui/BasePreferenceFragment.kt

package io.heckel.ntfy.ui

import androidx.preference.EditTextPreference
import androidx.preference.ListPreference
import androidx.preference.Preference
import androidx.preference.PreferenceFragmentCompat
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.google.android.material.textfield.TextInputEditText
import io.heckel.ntfy.R

abstract class BasePreferenceFragment : PreferenceFragmentCompat() {
    /**
     * Show [ListPreference] and [EditTextPreference] dialog by [MaterialAlertDialogBuilder]
     */
    override fun onDisplayPreferenceDialog(preference: Preference) {
        when (preference) {
            is ListPreference -> {
                val prefIndex = preference.entryValues.indexOf(preference.value)
                MaterialAlertDialogBuilder(requireContext())
                    .setTitle(preference.title)
                    .setSingleChoiceItems(preference.entries, prefIndex) { dialog, index ->
                        val newValue = preference.entryValues[index].toString()
                        if (preference.callChangeListener(newValue)) {
                            preference.value = newValue
                        }
                        dialog.dismiss()
                    }
                    .setNegativeButton(android.R.string.cancel, null)
                    .show()
            }
            is EditTextPreference -> {
                val view = layoutInflater.inflate(R.layout.dialog_edit_text_preference, null)
                val editText = view.findViewById<TextInputEditText>(R.id.editText)
                editText.setText(preference.text.toString())
                MaterialAlertDialogBuilder(requireContext())
                    .setTitle(preference.title)
                    .setView(view)
                    .setPositiveButton(android.R.string.ok) { _, _ ->
                        val newValue = editText.text.toString()
                        if (preference.callChangeListener(newValue)) {
                            preference.text = newValue
                        }
                    }
                    .setNegativeButton(android.R.string.cancel, null)
                    .show()
            }
            else -> super.onDisplayPreferenceDialog(preference)
        }
    }
}