mirror of
https://github.com/binwiederhier/ntfy-android.git
synced 2024-05-02 19:52:27 +12:00
85 lines
2.9 KiB
Kotlin
85 lines
2.9 KiB
Kotlin
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.heckel.ntfy.list
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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 android.widget.ImageView
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import android.widget.TextView
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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 com.heckel.ntfy.R
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import io.heckel.ntfy.data.Topic
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class FlowersAdapter(private val onClick: (Topic) -> Unit) :
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ListAdapter<Topic, FlowersAdapter.FlowerViewHolder>(FlowerDiffCallback) {
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/* ViewHolder for Flower, takes in the inflated view and the onClick behavior. */
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class FlowerViewHolder(itemView: View, val onClick: (Topic) -> Unit) :
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RecyclerView.ViewHolder(itemView) {
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private val flowerTextView: TextView = itemView.findViewById(R.id.flower_text)
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private val flowerImageView: ImageView = itemView.findViewById(R.id.flower_image)
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private var currentFlower: Topic? = null
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init {
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itemView.setOnClickListener {
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currentFlower?.let {
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onClick(it)
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}
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}
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}
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/* Bind flower name and image. */
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fun bind(flower: Topic) {
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currentFlower = flower
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flowerTextView.text = flower.name
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if (flower.image != null) {
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flowerImageView.setImageResource(flower.image)
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} else {
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flowerImageView.setImageResource(R.drawable.rose)
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}
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}
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}
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/* Creates and inflates view and return FlowerViewHolder. */
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FlowerViewHolder {
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val view = LayoutInflater.from(parent.context)
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.inflate(R.layout.flower_item, parent, false)
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return FlowerViewHolder(view, onClick)
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}
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/* Gets current flower and uses it to bind view. */
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override fun onBindViewHolder(holder: FlowerViewHolder, position: Int) {
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val flower = getItem(position)
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holder.bind(flower)
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}
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}
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object FlowerDiffCallback : DiffUtil.ItemCallback<Topic>() {
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override fun areItemsTheSame(oldItem: Topic, newItem: Topic): Boolean {
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return oldItem == newItem
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}
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override fun areContentsTheSame(oldItem: Topic, newItem: Topic): Boolean {
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return oldItem.id == newItem.id
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}
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}
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