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/*
* Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
* SPDX-License-Identifier: GPL-3.0-only
*/
package dev.msfjarvis.aps.ui.dialogs
import android.content.Context
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.ViewTreeObserver
import android.widget.FrameLayout
import androidx.annotation.StringRes
import androidx.core.view.isVisible
import com.google.android.material.bottomsheet.BottomSheetBehavior
import com.google.android.material.bottomsheet.BottomSheetDialog
import com.google.android.material.bottomsheet.BottomSheetDialogFragment
import dev.msfjarvis.aps.R
import dev.msfjarvis.aps.databinding.BasicBottomSheetBinding
import dev.msfjarvis.aps.util.extensions.viewBinding
/**
* [BottomSheetDialogFragment] that exposes a simple [androidx.appcompat.app.AlertDialog] like API
* through [BasicBottomSheet.Builder] to create a similar UI, just at the bottom of the screen.
*/
class BasicBottomSheet
private constructor(
val title: String?,
val message: String,
val positiveButtonLabel: String?,
val negativeButtonLabel: String?,
val positiveButtonClickListener: View.OnClickListener?,
val negativeButtonClickListener: View.OnClickListener?,
) : BottomSheetDialogFragment() {
private val binding by viewBinding(BasicBottomSheetBinding::bind)
private var behavior: BottomSheetBehavior<FrameLayout>? = null
private val bottomSheetCallback =
object : BottomSheetBehavior.BottomSheetCallback() {
override fun onSlide(bottomSheet: View, slideOffset: Float) {}
override fun onStateChanged(bottomSheet: View, newState: Int) {
if (newState == BottomSheetBehavior.STATE_COLLAPSED) {
dismiss()
}
}
}
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
if (savedInstanceState != null) dismiss()
return layoutInflater.inflate(R.layout.basic_bottom_sheet, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
view.viewTreeObserver.addOnGlobalLayoutListener(
object : ViewTreeObserver.OnGlobalLayoutListener {
override fun onGlobalLayout() {
view.viewTreeObserver.removeOnGlobalLayoutListener(this)
val dialog = dialog as BottomSheetDialog? ?: return
behavior = dialog.behavior
behavior?.apply {
state = BottomSheetBehavior.STATE_EXPANDED
peekHeight = 0
addBottomSheetCallback(bottomSheetCallback)
}
if (!title.isNullOrEmpty()) {
binding.bottomSheetTitle.isVisible = true
binding.bottomSheetTitle.text = title
}
binding.bottomSheetMessage.text = message
if (positiveButtonClickListener != null) {
positiveButtonLabel?.let { buttonLbl -> binding.bottomSheetOkButton.text = buttonLbl }
binding.bottomSheetOkButton.isVisible = true
binding.bottomSheetOkButton.setOnClickListener {
positiveButtonClickListener.onClick(it)
dismiss()
}
}
if (negativeButtonClickListener != null) {
binding.bottomSheetCancelButton.isVisible = true
negativeButtonLabel?.let { buttonLbl ->
binding.bottomSheetCancelButton.text = buttonLbl
}
binding.bottomSheetCancelButton.setOnClickListener {
negativeButtonClickListener.onClick(it)
dismiss()
}
}
}
}
)
}
override fun dismiss() {
super.dismiss()
behavior?.removeBottomSheetCallback(bottomSheetCallback)
}
class Builder(val context: Context) {
private var title: String? = null
private var message: String? = null
private var positiveButtonLabel: String? = null
private var negativeButtonLabel: String? = null
private var positiveButtonClickListener: View.OnClickListener? = null
private var negativeButtonClickListener: View.OnClickListener? = null
fun setTitleRes(@StringRes titleRes: Int): Builder {
this.title = context.resources.getString(titleRes)
return this
}
fun setTitle(title: String): Builder {
this.title = title
return this
}
fun setMessageRes(@StringRes messageRes: Int): Builder {
this.message = context.resources.getString(messageRes)
return this
}
fun setMessage(message: String): Builder {
this.message = message
return this
}
fun setPositiveButtonClickListener(
buttonLabel: String? = null,
listener: View.OnClickListener
): Builder {
this.positiveButtonClickListener = listener
this.positiveButtonLabel = buttonLabel
return this
}
fun setNegativeButtonClickListener(
buttonLabel: String? = null,
listener: View.OnClickListener
): Builder {
this.negativeButtonClickListener = listener
this.negativeButtonLabel = buttonLabel
return this
}
fun build(): BasicBottomSheet {
require(message != null) { "Message needs to be set" }
return BasicBottomSheet(
title,
message!!,
positiveButtonLabel,
negativeButtonLabel,
positiveButtonClickListener,
negativeButtonClickListener
)
}
}
}
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