コード移植

component/common/src/main/java/one/nem/lacerta/component/common/LacertaSelectDirDialog.java

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+package one.nem.lacerta.component.common;
+
+import android.app.Dialog;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Toast;
+
+import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.DialogFragment;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.data.LacertaLibrary;
+
+@AndroidEntryPoint
+public class LacertaSelectDirDialog extends DialogFragment {
+
+    @Inject
+    LacertaLibrary lacertaLibrary;
+
+    private SelectDirDialogItemAdapter adapter;
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity());
+        LayoutInflater inflater = requireActivity().getLayoutInflater();
+        View view = inflater.inflate(one.nem.lacerta.shared.ui.R.layout.lacerta_dialog_select_dir, null);
+
+        RecyclerView recyclerView = view.findViewById(one.nem.lacerta.shared.ui.R.id.select_dir_recycler_view);
+        recyclerView.setHasFixedSize(true);
+
+        showRecyclerViewItem(null); // get root folder list
+
+        this.adapter = new SelectDirDialogItemAdapter((name, itemId) -> {
+            Toast.makeText(getContext(), "Called: name", Toast.LENGTH_SHORT).show();
+            showRecyclerViewItem(itemId);
+            dismiss();
+        });
+
+        recyclerView.setAdapter(this.adapter);
+        recyclerView.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(getContext()));
+
+        Toolbar toolbar = view.findViewById(one.nem.lacerta.shared.ui.R.id.select_dir_toolbar);
+        toolbar.setNavigationOnClickListener(v -> {
+            Toast.makeText(getContext(), "Called", Toast.LENGTH_SHORT).show();
+            dismiss();
+        });
+
+        builder.setView(view);
+
+        builder.setTitle("Select Directory");
+        builder.setMessage("Please select a directory.");
+        builder.setPositiveButton("OK", null);
+        builder.setNegativeButton("Cancel", null);
+        return builder.create();
+    }
+
+    private void showRecyclerViewItem(String parent) {
+        lacertaLibrary.getFolderList(parent).thenAccept(listItems -> {
+            adapter.setListItems(listItems);
+            adapter.notifyDataSetChanged();
+        });
+
+    }
+}

component/common/src/main/java/one/nem/lacerta/component/common/LacertaSelectDirDialogEventListener.java

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+package one.nem.lacerta.component.common;
+
+public interface LacertaSelectDirDialogEventListener {
+    void onDirSelected(String name, String itemId);
+}

component/common/src/main/java/one/nem/lacerta/component/common/SelectDirDialogItemAdapter.java

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+package one.nem.lacerta.component.common;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+
+import one.nem.lacerta.model.ListItem;
+
+public class SelectDirDialogItemAdapter extends RecyclerView.Adapter<SelectDirDialogItemAdapter.ViewHolder> {
+
+    ArrayList<ListItem> listItems;
+    LacertaSelectDirDialogEventListener listener;
+
+    public SelectDirDialogItemAdapter(LacertaSelectDirDialogEventListener listener) {
+        this.listener = listener;
+    }
+
+    public void setListItems(ArrayList<ListItem> listItems) {
+        this.listItems = listItems;
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(one.nem.lacerta.shared.ui.R.layout.common_list_item, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        ListItem listItem = listItems.get(position);
+        holder.title.setText(listItem.getTitle());
+        holder.description.setText(listItem.getDescription());
+        holder.itemView.setOnClickListener(v -> {
+            listener.onDirSelected(listItem.getTitle(), listItem.getItemId());
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return listItems.size();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+
+        TextView title;
+        TextView description;
+
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            title = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_title);
+            description = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_description);
+
+        }
+    }
+}