新DirPicker実装

component/common/src/main/java/one/nem/lacerta/component/common/picker/LacertaDirPickerDialog.java

@@ -0,0 +1,97 @@
+package one.nem.lacerta.component.common.picker;
+
+import android.app.Dialog;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.LinearLayoutManager;
+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.component.common.R;
+import one.nem.lacerta.component.common.picker.base.LacertaFilePickerAdapterBase;
+import one.nem.lacerta.component.common.picker.base.LacertaFilePickerDialogBase;
+import one.nem.lacerta.data.LacertaLibrary;
+
+@AndroidEntryPoint
+public class LacertaDirPickerDialog extends LacertaFilePickerDialogBase {
+
+    @Inject
+    LacertaLibrary lacertaLibrary;
+
+    // Listener
+    public interface LacertaDirPickerDialogListener {
+        void onDirSelected(String name, String dirId);
+    }
+
+    // Variables
+    LacertaDirPickerDialogListener listener;
+
+    // Setter
+    public LacertaDirPickerDialog setListener(LacertaDirPickerDialogListener listener) {
+        this.listener = listener;
+        return this;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        super.onCreateDialog(savedInstanceState);
+
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity());
+        View view = LayoutInflater.from(getActivity()).inflate(R.layout.lacerta_dialog_select_dir, null);
+        RecyclerView recyclerView = view.findViewById(R.id.select_dir_recycler_view);
+        TextView currentDirTextView = view.findViewById(R.id.current_dir_text_view);
+
+        LacertaFilePickerAdapterBase adapter = new LacertaFilePickerAdapterBase();
+        adapter.setListener(new LacertaFilePickerAdapterBase.LacertaFilePickerAdapterListener() {
+            @Override
+            public void onItemSelected(String dirId) {
+                updateList(adapter, dirId);
+                currentDirTextView.setText(dirId);
+            }
+
+            @Override
+            public void onBackSelected(String dirId) {
+                updateList(adapter, dirId);
+                currentDirTextView.setText(dirId);
+            }
+        });
+
+        recyclerView.setAdapter(adapter);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+
+        this.updateList(adapter, null); // ルートディレクトリのリストを表示
+
+        // Init dialog
+        builder.setTitle(this.title == null ? "フォルダを選択" : this.title);
+        builder.setMessage(this.message == null ? "フォルダを選択してください" : this.message);
+        builder.setView(view);
+        builder.setPositiveButton(this.positiveButtonText == null ? "OK" : this.positiveButtonText, (dialog, which) -> {
+            if (listener != null) {
+                listener.onDirSelected(
+                        adapter.getCurrentPageTitle(),
+                        adapter.getCurrentId());
+            }
+        });
+        builder.setNegativeButton(this.negativeButtonText == null ? "キャンセル" : this.negativeButtonText, (dialog, which) -> {
+            if (listener != null) {
+                dismiss();
+            }
+        });
+
+        return builder.create();
+    }
+
+    private void updateList(LacertaFilePickerAdapterBase adapter, String folderId) {
+        lacertaLibrary.getFolderList(folderId).thenAccept(libraryItemPage -> {
+            adapter.setListItems(libraryItemPage);
+            this.updateList(adapter, libraryItemPage, adapter.getItemCount(), adapter.getCurrentId());
+        });
+    }
+}