add dialog for selecting notebook

app/src/main/java/org/houxg/leamonax/adapter/NotebookAdapter.java

@@ -30,9 +30,23 @@ public class NotebookAdapter extends RecyclerView.Adapter<NotebookAdapter.Notebo
     private Stack<String> mStack = new Stack<>();
     private List<Notebook> mData;
     private NotebookAdapterListener mListener;
+    private boolean mHasAddButton = true;
+    private boolean mCanOpenEmpty = true;
+    private int currentSelection = -1;
 
-    public void setListener(NotebookAdapterListener listener) {
+    public NotebookAdapter setListener(NotebookAdapterListener listener) {
         mListener = listener;
+        return this;
+    }
+
+    public NotebookAdapter setHasAddButton(boolean hasAddButton) {
+        mHasAddButton = hasAddButton;
+        return this;
+    }
+
+    public NotebookAdapter setCanOpenEmpty(boolean canOpenEmpty) {
+        mCanOpenEmpty = canOpenEmpty;
+        return this;
     }
 
     public void refresh() {
@@ -52,7 +66,7 @@ public class NotebookAdapter extends RecyclerView.Adapter<NotebookAdapter.Notebo
 
     @Override
     public int getItemViewType(int position) {
-        if (position == getItemCount() - 1) {
+        if (mHasAddButton && position == getItemCount() - 1) {
             return TYPE_ADD;
         } else {
             return TYPE_NOTEBOOK;
@@ -90,9 +104,9 @@ public class NotebookAdapter extends RecyclerView.Adapter<NotebookAdapter.Notebo
         String notebookId = notebook.getNotebookId();
         boolean isSuper = isSuper(notebookId);
         boolean isSuperOrRoot = isSuper | mStack.isEmpty();
-//        boolean hasChild = hasChild(notebookId);
+        boolean hasChild = hasChild(notebookId);
         holder.placeholder.setVisibility(isSuperOrRoot ? View.GONE : View.VISIBLE);
-//        holder.navigator.setVisibility(hasChild ? View.VISIBLE : View.INVISIBLE);
+        holder.navigator.setVisibility(mCanOpenEmpty | hasChild ? View.VISIBLE : View.INVISIBLE);
         holder.navigator.setImageResource(isSuper ? R.drawable.ic_expanding : R.drawable.ic_expandable);
         holder.navigator.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -165,7 +179,8 @@ public class NotebookAdapter extends RecyclerView.Adapter<NotebookAdapter.Notebo
 
     @Override
     public int getItemCount() {
-        return mData == null ? 1 : mData.size() + 1;
+        int fixed = mHasAddButton ? 1 : 0;
+        return mData == null ? fixed : mData.size() + fixed;
     }
 
     public interface NotebookAdapterListener {

app/src/main/java/org/houxg/leamonax/ui/edit/SettingFragment.java

@@ -1,9 +1,7 @@
 package org.houxg.leamonax.ui.edit;
 
 
-import android.app.AlertDialog;
 import android.app.Fragment;
-import android.content.DialogInterface;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -11,7 +9,6 @@ import android.text.Editable;
 import android.text.Spanned;
 import android.text.TextUtils;
 import android.text.TextWatcher;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -26,6 +23,7 @@ import org.houxg.leamonax.model.Notebook;
 import org.houxg.leamonax.model.Tag;
 import org.houxg.leamonax.service.AccountService;
 import org.houxg.leamonax.utils.CollectionUtils;
+import org.houxg.leamonax.utils.DialogUtils;
 import org.houxg.leamonax.utils.DisplayUtils;
 import org.houxg.leamonax.widget.RoundedRectBackgroundSpan;
 
@@ -172,29 +170,13 @@ public class SettingFragment extends Fragment {
 
     @OnClick(R.id.ll_notebook)
     void selectNotebook() {
-        final List<Notebook> notebooks = AppDataBase.getAllNotebook(AccountService.getCurrent().getUserId());
-        int currentSelection = -1;
-        String[] titles = new String[notebooks.size()];
-        for (int i = 0; i < titles.length; i++) {
-            titles[i] = notebooks.get(i).getTitle();
-            if (notebooks.get(i).getNotebookId().equals(mNoteBookId)) {
-                currentSelection = i;
+        DialogUtils.selectNotebook(getActivity(), getString(R.string.select_notebook), new DialogUtils.SelectNotebookListener() {
+            @Override
+            public void onNotebookSelected(Notebook notebook) {
+                mNoteBookId = notebook.getNotebookId();
+                mNotebookTv.setText(notebook.getTitle());
             }
-        }
-        new AlertDialog.Builder(getActivity())
-                .setTitle(R.string.choose_notebook)
-                .setSingleChoiceItems(titles, currentSelection, new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int which) {
-                        Notebook selected = notebooks.get(which);
-                        mNoteBookId = selected.getNotebookId();
-                        Log.i(TAG, "select=" + mNoteBookId);
-                        mNotebookTv.setText(selected.getTitle());
-                        dialog.dismiss();
-                    }
-                })
-                .setCancelable(true)
-                .show();
+        });
     }
 
     public interface SettingFragmentListener {

app/src/main/java/org/houxg/leamonax/utils/DialogUtils.java

@@ -5,11 +5,15 @@ import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.support.annotation.NonNull;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.EditText;
 
 import org.houxg.leamonax.R;
+import org.houxg.leamonax.adapter.NotebookAdapter;
+import org.houxg.leamonax.model.Notebook;
 
 public class DialogUtils {
 
@@ -39,8 +43,48 @@ public class DialogUtils {
                 .show();
     }
 
+    public static void selectNotebook(Context context, String title, final SelectNotebookListener listener) {
+        View view = LayoutInflater.from(context).inflate(R.layout.dialog_notebook, null);
+        final RecyclerView recyclerView = (RecyclerView) view.findViewById(R.id.rv_notebook);
+        final NotebookAdapter adapter =
+                new NotebookAdapter()
+                        .setCanOpenEmpty(false)
+                        .setHasAddButton(false);
+        recyclerView.setLayoutManager(new LinearLayoutManager(context));
+        recyclerView.setAdapter(adapter);
+        adapter.refresh();
+        final AlertDialog dialog = new AlertDialog.Builder(context)
+                .setTitle(title)
+                .setView(view)
+                .setCancelable(true)
+                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.dismiss();
+                    }
+                })
+                .create();
+        adapter.setListener(new NotebookAdapter.NotebookAdapterListener() {
+            @Override
+            public void onClickedNotebook(Notebook notebook) {
+                listener.onNotebookSelected(notebook);
+                dialog.dismiss();
+            }
+
+            @Override
+            public void onClickedAddNotebook(String parentNotebookId) {
+
+            }
+        });
+        dialog.show();
+
+    }
 
     public interface ChangedListener {
         void onChanged(String title, String link);
     }
+
+    public interface SelectNotebookListener {
+        void onNotebookSelected(Notebook notebook);
+    }
 }

app/src/main/res/layout/dialog_notebook.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/rv_notebook"
+        android:layout_width="match_parent"
+        android:layout_height="320dp" />
+</LinearLayout>