LibraryItemPageを使用するように変更, 戻るアクションを実装

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

@@ -46,9 +46,16 @@ public class LacertaSelectDirDialog extends DialogFragment {
         this.recyclerView = view.findViewById(R.id.select_dir_recycler_view);
         this.current_dir_text_view = view.findViewById(R.id.current_dir_text_view);
 
-        this.adapter = new SelectDirDialogItemAdapter((name, itemId) -> {
-            Toast.makeText(getContext(), "Called:" + name, Toast.LENGTH_SHORT).show();
-            showRecyclerViewItem(itemId);
+        this.adapter = new SelectDirDialogItemAdapter(new LacertaSelectDirDialogEventListener() {
+            @Override
+            public void onDirSelected(String name, String itemId) {
+                showRecyclerViewItem(itemId);
+            }
+
+            @Override
+            public void onBackSelected(String parentId) {
+                showRecyclerViewItem(parentId);
+            }
         });
 
         this.recyclerView.setAdapter(this.adapter);
@@ -63,8 +70,8 @@ public class LacertaSelectDirDialog extends DialogFragment {
         return builder.create();
     }
 
-    private void showRecyclerViewItem(String parent) {
-        lacertaLibrary.getPublicPath(parent, ListItemType.ITEM_TYPE_FOLDER).thenAccept(publicPath -> {
+    private void showRecyclerViewItem(String targetDirId) {
+        lacertaLibrary.getPublicPath(targetDirId, ListItemType.ITEM_TYPE_FOLDER).thenAccept(publicPath -> {
             getActivity().runOnUiThread(() -> {
                 if (publicPath != null) {
                     current_dir_text_view.setText("/" + publicPath.getStringPath()); // TODO-rca: PublicPathの実装を修正する
@@ -73,12 +80,12 @@ public class LacertaSelectDirDialog extends DialogFragment {
                 }
             });
         });
-        lacertaLibrary.getFolderList(parent).thenAccept(listItems -> {
+        lacertaLibrary.getFolderList(targetDirId).thenAccept(libraryItemPage -> {
             getActivity().runOnUiThread(() -> {
                 int currentCount = adapter.getItemCount();
-                adapter.notifyItemRangeRemoved(0, currentCount);
-                adapter.setListItems(listItems);
-                adapter.notifyItemRangeInserted(0, listItems.size());
+                adapter.notifyItemRangeRemoved(1, currentCount); // Backボタンを除くすべてのアイテムを削除
+                adapter.setListItems(libraryItemPage);
+                adapter.notifyItemRangeInserted(1, libraryItemPage.getListItems().size());
             });
         });
     }

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

@@ -2,5 +2,5 @@ package one.nem.lacerta.component.common;
 
 public interface LacertaSelectDirDialogEventListener {
     void onDirSelected(String name, String itemId);
-    void onBackSelected();
+    void onBackSelected(String parentId);
 }

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

@@ -10,23 +10,23 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import java.util.ArrayList;
 
+import one.nem.lacerta.model.LibraryItemPage;
 import one.nem.lacerta.model.ListItem;
 import one.nem.lacerta.model.ListItemType;
 
 public class SelectDirDialogItemAdapter extends RecyclerView.Adapter<SelectDirDialogItemAdapter.SelectDirDialogItemViewHolder> {
 
-    ArrayList<ListItem> listItems;
+
+    private LibraryItemPage libraryItemPage;
     LacertaSelectDirDialogEventListener listener;
 
     public SelectDirDialogItemAdapter(LacertaSelectDirDialogEventListener listener) {
         this.listener = listener;
     }
 
-    public void setListItems(ArrayList<ListItem> listItems) {
-        // 戻るアクションを追加
-        this.listItems.add(0, new ListItem("戻る", " ", ListItemType.ITEM_TYPE_ACTION_BACK, null));
-
-        this.listItems.addAll(listItems);
+    public void setListItems(LibraryItemPage libraryItemPage) {
+        this.libraryItemPage = libraryItemPage;
+        this.libraryItemPage.getListItems().add(0, new ListItem("戻る", " ", ListItemType.ITEM_TYPE_ACTION_BACK, null));
     }
 
     @NonNull
@@ -38,11 +38,11 @@ public class SelectDirDialogItemAdapter extends RecyclerView.Adapter<SelectDirDi
 
     @Override
     public void onBindViewHolder(SelectDirDialogItemViewHolder holder, int position) {
-        ListItem listItem = listItems.get(position);
+        ListItem listItem = libraryItemPage.getListItems().get(position);
         holder.title.setText(listItem.getTitle());
         holder.description.setText(listItem.getDescription());
         if(listItem.getItemType() == ListItemType.ITEM_TYPE_ACTION_BACK) {
-            holder.itemView.setOnClickListener(v -> listener.onBackSelected());
+            holder.itemView.setOnClickListener(v -> listener.onBackSelected(this.libraryItemPage.getParentId()));
         } else {
             holder.itemView.setOnClickListener(v -> listener.onDirSelected(listItem.getTitle(), listItem.getItemId()));
         }
@@ -50,7 +50,7 @@ public class SelectDirDialogItemAdapter extends RecyclerView.Adapter<SelectDirDi
 
     @Override
     public int getItemCount() {
-        return listItems == null ? 0 : listItems.size();
+        return this.libraryItemPage == null ? 0 : this.libraryItemPage.getListItems().size();
     }
 
     public static class SelectDirDialogItemViewHolder extends RecyclerView.ViewHolder {