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@ -14,15 +14,20 @@ import androidx.recyclerview.widget.RecyclerView |
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* Generic adapter that implements an [AsyncDifferConfig] and covers some of the basic boilerplate |
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* code used in every [RecyclerView]. |
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* Type assigned to [Model] must inherit from [Object] in order to be compared properly. |
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* @param exact Decides whether each item will be compared by reference or by their contents |
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*/ |
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abstract class AbstractDiffAdapter<Model : Any, Holder : AbstractViewHolder<Model>> : |
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ListAdapter<Model, Holder>(AsyncDifferConfig.Builder(DiffCallback<Model>()).build()) { |
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abstract class AbstractDiffAdapter<Model : Any, Holder : AbstractViewHolder<Model>>( |
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exact: Boolean = true |
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) : ListAdapter<Model, Holder>(AsyncDifferConfig.Builder(DiffCallback<Model>(exact)).build()) { |
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override fun onBindViewHolder(holder: Holder, position: Int) = |
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holder.bind(currentList[position]) |
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private class DiffCallback<Model> : DiffUtil.ItemCallback<Model>() { |
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private class DiffCallback<Model>(val exact: Boolean) : DiffUtil.ItemCallback<Model>() { |
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override fun areItemsTheSame(oldItem: Model & Any, newItem: Model & Any): Boolean { |
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return oldItem === newItem |
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if (exact) { |
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return oldItem === newItem |
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} |
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return oldItem == newItem |
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} |
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@SuppressLint("DiffUtilEquals") |
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