111 lines
3.9 KiB
Kotlin
111 lines
3.9 KiB
Kotlin
package org.thoughtcrime.securesms.preferences
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.core.view.isVisible
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.ListAdapter
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import androidx.recyclerview.widget.RecyclerView
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import network.loki.messenger.R
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import network.loki.messenger.databinding.ItemSelectableBinding
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import network.loki.messenger.libsession_util.util.ExpiryMode
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import org.thoughtcrime.securesms.mms.GlideApp
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import java.util.Objects
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class RadioOptionAdapter<T>(
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private var selectedOptionPosition: Int = 0,
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private val onClickListener: (RadioOption<T>) -> Unit
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) : ListAdapter<RadioOption<T>, RadioOptionAdapter.ViewHolder<T>>(RadioOptionDiffer()) {
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class RadioOptionDiffer<T>: DiffUtil.ItemCallback<RadioOption<T>>() {
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override fun areItemsTheSame(oldItem: RadioOption<T>, newItem: RadioOption<T>) = oldItem.title == newItem.title
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override fun areContentsTheSame(oldItem: RadioOption<T>, newItem: RadioOption<T>) = Objects.equals(oldItem.value,newItem.value)
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder<T> {
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val itemView = LayoutInflater.from(parent.context).inflate(R.layout.item_selectable, parent, false)
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return ViewHolder<T>(itemView)
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}
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override fun onBindViewHolder(holder: ViewHolder<T>, position: Int) {
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val option = getItem(position)
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val isSelected = position == selectedOptionPosition
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holder.bind(option, isSelected) {
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onClickListener(it)
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selectedOptionPosition = position
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notifyItemRangeChanged(0, itemCount)
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}
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}
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fun setSelectedPosition(selectedPosition: Int) {
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selectedOptionPosition = selectedPosition
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notifyDataSetChanged()
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}
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class ViewHolder<T>(itemView: View): RecyclerView.ViewHolder(itemView) {
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val glide = GlideApp.with(itemView)
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val binding = ItemSelectableBinding.bind(itemView)
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fun bind(option: RadioOption<T>, isSelected: Boolean, toggleSelection: (RadioOption<T>) -> Unit) {
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val alpha = if (option.enabled) 1f else 0.5f
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binding.root.isEnabled = option.enabled
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binding.root.contentDescription = option.contentDescription
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binding.titleTextView.alpha = alpha
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binding.subtitleTextView.alpha = alpha
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binding.selectButton.alpha = alpha
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binding.titleTextView.text = option.title
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binding.subtitleTextView.text = option.subtitle
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binding.subtitleTextView.isVisible = !option.subtitle.isNullOrEmpty()
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binding.selectButton.isSelected = isSelected
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if (option.enabled) {
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binding.root.setOnClickListener { toggleSelection(option) }
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}
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}
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}
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}
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sealed class RadioOption<T>(
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val value: T,
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val title: String,
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val subtitle: String? = null,
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val enabled: Boolean = true,
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val contentDescription: String = ""
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)
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class StringRadioOption(value: String,
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title: String,
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subtitle: String? = null,
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enabled: Boolean = true,
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contentDescription: String = ""): RadioOption<String>(
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value,
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title,
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subtitle,
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enabled,
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contentDescription
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)
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class ExpirationRadioOption(
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value: ExpiryMode,
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title: String,
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subtitle: String? = null,
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enabled: Boolean = true,
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contentDescription: String = ""
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): RadioOption<ExpiryMode>(
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value,
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title,
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subtitle,
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enabled,
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contentDescription
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) {
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fun copy(value: ExpiryMode = this.value,
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title: String = this.title,
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subtitle: String? = this.subtitle,
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enabled: Boolean = this.enabled,
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contentDescription: String = this.contentDescription) =
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ExpirationRadioOption(value, title, subtitle, enabled, contentDescription)
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}
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