package com.example.citrusclient.views; import android.graphics.Color; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import com.example.citrusclient.R; import com.example.citrusclient.models.Book; import java.util.ArrayList; import java.util.List; import androidx.annotation.NonNull; import androidx.recyclerview.widget.RecyclerView; public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> { private List<Book> originalList; // 元のデータリスト private List<Book> filteredList; // フィルタリングされたリスト private Object context; // private List<Book> publicList; // private List accountIdList; // private Context context; public MyAdapter(List<Book> originalList) { this.originalList = originalList; this.filteredList = new ArrayList<>(originalList); } @NonNull @Override public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.a_public_book, parent, false); return new ViewHolder(view); } @Override public void onBindViewHolder(@NonNull ViewHolder holder, int position) { Book currentBook = filteredList.get(position); holder.bind(currentBook); // bindメソッドで設定 // 背景色の設定 int red, green, blue; if (currentBook.getColor() == null || currentBook.getColor().length() < 7) { red = 255; green = 255; blue = 255; } else { red = Integer.parseInt(currentBook.getColor().substring(1, 3), 16); green = Integer.parseInt(currentBook.getColor().substring(3, 5), 16); blue = Integer.parseInt(currentBook.getColor().substring(5, 7), 16); } holder.titleTextView.setBackgroundColor(Color.rgb(red, green, blue)); holder.titleTextView.setTextColor(Color.rgb(255 - red, 255 - green, 255 - blue)); // holder.titleTextView.setOnClickListener(v -> { // Activity activity = (Activity) context; // Citrus citrus = (Citrus) activity.getApplication(); // citrus.setCurLookingAccountId(currentBook.getAccountId()); // citrus.setCurLookingBookId(currentBook.getBookId()); // ((MainActivity) activity).showFragment(new HomeFragment()); // }); } @Override public int getItemCount() { return filteredList != null ? filteredList.size() : 0; // filteredListがnullの場合は0を返す } // 新しいデータを設定するメソッド public void setBooks(List<Book> books) { originalList.clear(); originalList.addAll(books); filteredList.clear(); // フィルタリングされたリストもクリア filteredList.addAll(originalList); // 元のリストの内容を追加 notifyDataSetChanged(); // アダプターを更新 } // フィルタリングメソッド public void filter(String query) { filteredList.clear(); if (query.isEmpty()) { filteredList.addAll(originalList); } else { String lowerCaseQuery = query.toLowerCase().trim(); for (Book item : originalList) { if (item.getAccountId().toLowerCase().contains(lowerCaseQuery) || item.getTitle().toLowerCase().contains(lowerCaseQuery)) { filteredList.add(item); } } } notifyDataSetChanged(); } static class ViewHolder extends RecyclerView.ViewHolder { TextView titleTextView; TextView authorTextView; ViewHolder(View itemView) { super(itemView); titleTextView = itemView.findViewById(R.id.public_button); authorTextView = itemView.findViewById(R.id.public_id); } void bind(Book book) { titleTextView.setText(book.getTitle()); authorTextView.setText(book.getAccountId()); } } }