GuokrFragment.java

/*
 * Copyright 2017 lizhaotailang
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.marktony.zhihudaily.homepage;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.Snackbar;
import android.support.v4.app.Fragment;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.marktony.zhihudaily.adapter.GuokrNewsAdapter;
import com.marktony.zhihudaily.R;
import com.marktony.zhihudaily.bean.GuokrHandpickNews;
import com.marktony.zhihudaily.interfaze.OnRecyclerViewOnClickListener;

import java.util.ArrayList;

/**
 * Created by lizhaotailang on 2016/6/13.
 * 果壳精选
 * guokr handpick
 */
public class GuokrFragment extends Fragment implements GuokrContract.View{

    private RecyclerView recyclerView;
    private SwipeRefreshLayout refreshLayout;
    private GuokrNewsAdapter adapter;
    private GuokrContract.Presenter presenter;

    // require an empty constructor
    public GuokrFragment(){

    }

    public static GuokrFragment newInstance() {
        return new GuokrFragment();
    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.fragment_list,container,false);

        initViews(view);

        presenter.start();

        refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                presenter.refresh();
            }
        });

        return view;
    }

    @Override
    public void setPresenter(GuokrContract.Presenter presenter) {
        if (presenter != null){
            this.presenter = presenter;
        }
    }

    @Override
    public void initViews(View view) {

        recyclerView = (RecyclerView) view.findViewById(R.id.recyclerView);
        recyclerView.setHasFixedSize(true);
        recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));

        refreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.refreshLayout);
        //设置下拉刷新的按钮的颜色
        refreshLayout.setColorSchemeResources(R.color.colorPrimary);

    }

    @Override
    public void showError() {
        Snackbar.make(refreshLayout, R.string.loaded_failed,Snackbar.LENGTH_INDEFINITE)
                .setAction(R.string.retry, new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        presenter.refresh();
                    }
                })
                .show();
    }

    @Override
    public void showResults(ArrayList<GuokrHandpickNews.result> list) {
        if (adapter == null) {
            adapter = new GuokrNewsAdapter(getContext(), list);
            adapter.setItemClickListener(new OnRecyclerViewOnClickListener() {
                @Override
                public void OnItemClick(View v, int position) {
                    presenter.startReading(position);
                }
            });
            recyclerView.setAdapter(adapter);
        } else {
            adapter.notifyDataSetChanged();
        }

    }

    @Override
    public void showLoading() {
        refreshLayout.setRefreshing(true);
    }

    @Override
    public void stopLoading() {
        refreshLayout.setRefreshing(false);
    }

}