| package com.example.android.scopeddirectoryaccess; |
| |
| import android.provider.DocumentsContract; |
| import android.support.v7.widget.RecyclerView; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Provide views to RecyclerView with the directory entries. |
| */ |
| public class DirectoryEntryAdapter extends RecyclerView.Adapter<DirectoryEntryAdapter.ViewHolder> { |
| |
| private List<DirectoryEntry> mDirectoryEntries; |
| |
| public DirectoryEntryAdapter() { |
| this(new ArrayList<DirectoryEntry>()); |
| } |
| |
| public DirectoryEntryAdapter(List<DirectoryEntry> directoryEntries) { |
| mDirectoryEntries = directoryEntries; |
| } |
| |
| @Override |
| public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) { |
| View v = LayoutInflater.from(viewGroup.getContext()) |
| .inflate(R.layout.directory_entry, viewGroup, false); |
| return new ViewHolder(v); |
| } |
| |
| @Override |
| public void onBindViewHolder(ViewHolder viewHolder, final int position) { |
| viewHolder.fileName.setText(mDirectoryEntries.get(position).fileName); |
| viewHolder.mimeType.setText(mDirectoryEntries.get(position).mimeType); |
| |
| if (DocumentsContract.Document.MIME_TYPE_DIR |
| .equals(mDirectoryEntries.get(position).mimeType)) { |
| viewHolder.imageView.setImageResource(R.drawable.ic_directory_grey600_36dp); |
| } else { |
| viewHolder.imageView.setImageResource(R.drawable.ic_description_grey600_36dp); |
| } |
| } |
| |
| @Override |
| public int getItemCount() { |
| return mDirectoryEntries.size(); |
| } |
| |
| public void setDirectoryEntries(List<DirectoryEntry> directoryEntries) { |
| mDirectoryEntries = directoryEntries; |
| } |
| |
| /** |
| * Provide a reference to the type of views that you are using (custom ViewHolder) |
| */ |
| public class ViewHolder extends RecyclerView.ViewHolder { |
| |
| public TextView fileName; |
| public TextView mimeType; |
| public ImageView imageView; |
| |
| public ViewHolder(View v) { |
| super(v); |
| fileName = (TextView) v.findViewById(R.id.textview_filename); |
| mimeType = (TextView) v.findViewById(R.id.textview_mimetype); |
| imageView = (ImageView) v.findViewById(R.id.imageview_entry); |
| } |
| } |
| } |
| |