chinwag-android/app/src/main/java/com/keylesspalace/tusky/adapter/SavedTootAdapter.java

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.adapter;
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import android.content.Context;
import android.support.annotation.Nullable;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.TextView;
import com.keylesspalace.tusky.R;
import com.keylesspalace.tusky.db.TootEntity;
import java.util.ArrayList;
import java.util.List;
public class SavedTootAdapter extends RecyclerView.Adapter {
private List<TootEntity> list;
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private SavedTootAction handler;
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public SavedTootAdapter(Context context) {
super();
list = new ArrayList<>();
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handler = (SavedTootAction) context;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.item_saved_toot, parent, false);
return new TootViewHolder(view);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) {
TootViewHolder holder = (TootViewHolder) viewHolder;
holder.bind(getItem(position));
}
@Override
public int getItemCount() {
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return list.size();
}
public void setItems(List<TootEntity> newToot) {
list = new ArrayList<>();
list.addAll(newToot);
}
public void addItems(List<TootEntity> newToot) {
int end = list.size();
list.addAll(newToot);
notifyItemRangeInserted(end, newToot.size());
}
@Nullable
public TootEntity removeItem(int position) {
if (position < 0 || position >= list.size()) {
return null;
}
TootEntity toot = list.remove(position);
notifyItemRemoved(position);
return toot;
}
private TootEntity getItem(int position) {
if (position >= 0 && position < list.size()) {
return list.get(position);
}
return null;
}
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// handler saved toot
public interface SavedTootAction {
void delete(int position, TootEntity item);
void click(int position, TootEntity item);
}
private class TootViewHolder extends RecyclerView.ViewHolder {
View view;
TextView content;
ImageButton suppr;
TootViewHolder(View view) {
super(view);
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this.view = view;
this.content = view.findViewById(R.id.content);
this.suppr = view.findViewById(R.id.suppr);
}
void bind(final TootEntity item) {
suppr.setEnabled(true);
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if (item != null) {
content.setText(item.getText());
suppr.setOnClickListener(v -> {
v.setEnabled(false);
handler.delete(getAdapterPosition(), item);
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});
view.setOnClickListener(v -> handler.click(getAdapterPosition(), item));
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}
}
}
}