DemonstrateFragment.java

package com.anarchy.classifyview.sample.demonstrate;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.app.Fragment;
import android.support.v7.app.AlertDialog;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import android.widget.Toast;

import com.anarchy.classify.ClassifyView;
import com.anarchy.classifyview.R;
import com.anarchy.classifyview.core.BaseFragment;
import com.anarchy.classifyview.sample.demonstrate.logic.Book;
import com.anarchy.classifyview.sample.demonstrate.logic.BookListAdapter;
import com.anarchy.classifyview.sample.demonstrate.logic.BookListener;
import com.anarchy.classifyview.sample.demonstrate.logic.NetManager;
import com.anarchy.classifyview.sample.demonstrate.logic.SelectBookListAdapter;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.List;

/**
 * <p/>
 * Date: 16/6/12 10:09
 * Author: rsshinide38@163.com
 * <p/>
 */
public class DemonstrateFragment extends BaseFragment {
    private NetManager mNetManager = new NetManager();
    private List<List<Book>> mBooks = new ArrayList<>();
    private BookListAdapter mAdapter;
    private ClassifyView mClassifyView;
    private SelectBookListAdapter mSelectBookListAdapter;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable final ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.demonstrate_main, container, false);
        FloatingActionButton button = (FloatingActionButton) view.findViewById(R.id.add_button);
        mClassifyView = (ClassifyView) view.findViewById(R.id.classify_view);
        mAdapter = new BookListAdapter(mBooks);
        mClassifyView.setAdapter(mAdapter);
        mClassifyView.setDebugAble(true);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                final AlertDialog.Builder builder = new AlertDialog.Builder(v.getContext());
                View content = LayoutInflater.from(v.getContext()).inflate(R.layout.select_book, null);
                RecyclerView recyclerView = (RecyclerView) content.findViewById(R.id.select_list);
                final ProgressBar progressBar = (ProgressBar) content.findViewById(R.id.progress_bar);
                recyclerView.setLayoutManager(new GridLayoutManager(v.getContext(), 2));
                if (mSelectBookListAdapter == null)
                    mSelectBookListAdapter = new SelectBookListAdapter();
                recyclerView.setAdapter(mSelectBookListAdapter);
                builder.setView(content);
                final AlertDialog dialog = builder.show();
                mSelectBookListAdapter.setItemClickListener(new SelectBookListAdapter.ItemClickListener() {
                    @Override
                    public void onItemClick(View parent, int position, Book book) {
                        List<Book> books = new ArrayList<>();
                        books.add(book);
                        mBooks.add(books);
                        mAdapter.notifyItemInsert(mBooks.size() - 1);
                        dialog.dismiss();
                    }
                });
                if (mSelectBookListAdapter.getBookList() != null) {
                    progressBar.setVisibility(View.GONE);
                    return;
                }
                progressBar.setVisibility(View.VISIBLE);
                mNetManager.getBookList(new BookListener() {
                    @Override
                    public void onSuccess(String result) {
                        progressBar.setVisibility(View.INVISIBLE);
                        List<Book> books = new ArrayList<>();
                        try {
                            JSONObject jsonObject = new JSONObject(result);
                            JSONArray jsonArray = jsonObject.optJSONArray("list");
                            if (jsonArray != null) {
                                for (int i = 0; i < jsonArray.length(); i++) {
                                    JSONObject object = jsonArray.optJSONObject(i);
                                    if (object != null) {
                                        Book book = new Book();
                                        book.id = object.optString("id");
                                        book.imageUrl = "http://tnfs.tngou.net/img" + object.optString("img");
                                        book.name = object.optString("name");
                                        book.summary = object.optString("summary");
                                        books.add(book);
                                    }
                                }
                            }
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                        mSelectBookListAdapter.setBookList(books);
                    }

                    @Override
                    public void onFailure(Exception e) {
                        progressBar.setVisibility(View.INVISIBLE);
                        Toast.makeText(getActivity(), "出错:" + e.getMessage(), Toast.LENGTH_SHORT).show();
                    }
                });
            }
        });
        return view;
    }


    @Override
    public void onDestroyView() {
        super.onDestroyView();
    }
}