wpc
2018-11-27 c52fb0e4d9168e75390b3cf3536d66c06c50d605
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package com.haicaojie.android.ui.recommend;
 
import android.content.Intent;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
 
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import com.haicaojie.android.BasicTextHttpResponseHandler;
import com.haicaojie.android.BuXinConstant;
import com.haicaojie.android.R;
import com.haicaojie.android.ShoppingApi;
import com.haicaojie.android.entity.FirstCategory;
import com.haicaojie.android.entity.SecondCategory;
import com.haicaojie.android.entity.TaoBaoGoodsBrief;
import com.haicaojie.android.ui.category.RecommendRecyclerAdapter;
import com.haicaojie.android.ui.category.SecondCategoryAdapter;
import com.haicaojie.android.ui.mine.OrderActivity;
import com.lcjian.library.RetainViewFragment;
import com.lcjian.library.content.ConnectivityChangeHelper;
import com.lcjian.library.recyclerview.DividerItemDecoration;
import com.lcjian.library.util.NetUtils;
import com.lcjian.library.util.SingleToast;
import com.lcjian.library.util.common.DimenUtils;
import com.lcjian.library.widget.MyGridView;
import com.umeng.analytics.MobclickAgent;
 
import org.apache.http.Header;
import org.json.JSONObject;
 
import java.util.ArrayList;
import java.util.List;
 
/**
 * 精选---分类
 */
public class RecommendCategoryFragment extends RetainViewFragment implements
        OnClickListener {
 
    private SwipeRefreshLayout srl_second_category;
    private RecyclerView lv_second_category;
    private MyGridView gv_category_top;
    private TextView tv_update_time, tv_name;
    private RecommendRecyclerAdapter adapter;
 
    private FirstCategory firstCategory;
    private List<SecondCategory> secondList = new ArrayList<>();
    private List<TaoBaoGoodsBrief> mList = new ArrayList<>();
    private int page = 1;
    private ImageView iv_slid_top;
    private boolean isLoad = true;
    View bottom;
    TextView tv_loading;
    private int count = 1;
    private boolean upLoad = false;
    private LinearLayout ll_no_net, ll_no_data, ll_request_failture;
    private ConnectivityChangeHelper mChangeHelper;
 
    public static RecommendCategoryFragment newInstance(FirstCategory type) {
        RecommendCategoryFragment fragment = new RecommendCategoryFragment();
        Bundle bundle = new Bundle();
        bundle.putSerializable("type", type);
        fragment.setArguments(bundle);
        return fragment;
    }
 
    @Override
    public int getContentResource() {
        return R.layout.fragment_second_category;
    }
 
    @Override
    public void onCreateView(View contentView, Bundle savedInstanceState) {
        srl_second_category = (SwipeRefreshLayout) contentView.findViewById(R.id.srl_second_category);
        lv_second_category = (RecyclerView) contentView.findViewById(R.id.lv_second_category);
 
        iv_slid_top = (ImageView) contentView.findViewById(R.id.iv_slid_top);
        iv_slid_top.setOnClickListener(this);
 
        View top_view = LayoutInflater.from(lv_second_category.getContext()).inflate(R.layout.item_category_top, null);
        gv_category_top = (MyGridView) top_view.findViewById(R.id.gv_category_top);
        tv_name = (TextView) top_view.findViewById(R.id.tv_name);
        gv_category_top.getFocusedChild();
        tv_update_time = (TextView) top_view.findViewById(R.id.tv_update_time);
 
 
        bottom = LayoutInflater.from(getContext()).inflate(R.layout.item_recommend_bottom, null);
        tv_loading = (TextView) bottom.findViewById(R.id.tv_loading);
        bottom.setVisibility(View.GONE);
        firstCategory = (FirstCategory) getArguments().getSerializable("type");
        tv_name.setText("精选" + firstCategory.getName());
        tv_update_time.setVisibility(View.GONE);
        if (firstCategory == null) {
            srl_second_category.setEnabled(false);
        } else {
            srl_second_category.setEnabled(true);
        }
        lv_second_category.setLayoutManager(new GridLayoutManager(getContext(), 2));
        DividerItemDecoration vDivider = new DividerItemDecoration(DividerItemDecoration.VERTICAL);
        vDivider.setColor(0xffeeeeee);
        vDivider.setSize(DimenUtils.dip2px(getContext(), 2));
        lv_second_category.addItemDecoration(vDivider);
        adapter = new RecommendRecyclerAdapter(lv_second_category.getContext(), mList);
        lv_second_category.setAdapter(adapter);
        if (!BuXinConstant.XIAOMI_APP_STORE) {
            adapter.addHeaderView(top_view);
        }
        adapter.addFooterView(bottom);
 
        ll_no_net = (LinearLayout) contentView.findViewById(R.id.ll_no_net);
        ll_no_data = (LinearLayout) contentView.findViewById(R.id.ll_no_data);
        ll_request_failture = (LinearLayout) contentView.findViewById(R.id.ll_request_failture);
        contentView.findViewById(R.id.iv_net_setting).setOnClickListener(this);
        contentView.findViewById(R.id.tv_refresh).setOnClickListener(this);
        mChangeHelper = new ConnectivityChangeHelper(ll_no_net.getContext(),
                new ConnectivityChangeHelper.OnConnectivityChangeListener() {
 
                    @Override
                    public void onNetworkUnAvailable() {
                    }
 
                    @Override
                    public void onNetworkAvailable() {
                        requestState(0);
                        if (mList.size() == 0) {
                            getGoodsList();
                            getCateGorySecond();
                        }
                    }
                });
 
        srl_second_category.setRefreshing(true);
        srl_second_category.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                page = 1;
                tv_loading.setText("加载中...");
                getGoodsList();
                getCateGorySecond();
            }
        });
 
        lv_second_category.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                LinearLayoutManager manager = (LinearLayoutManager) recyclerView.getLayoutManager();
                int first = manager.findFirstVisibleItemPosition();
                int last = manager.findLastVisibleItemPosition();
                int total = manager.getItemCount();
                if (newState == RecyclerView.SCROLL_STATE_IDLE) {
                    if (first == 0) {
                        iv_slid_top.setVisibility(View.GONE);
                    }
                    if (last == total - 1 && mList.size() < count && isLoad) {
                        page++;
                        isLoad = false;
                        getGoodsList();
                    } else if (mList.size() >= count && last >= mList.size() - 1 && upLoad) {
                        SingleToast.showToast(getContext(), "没有更多了");
                    }
                } else {
                    iv_slid_top.setVisibility(View.GONE);
                }
            }
 
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, final int dy) {
                super.onScrolled(recyclerView, dx, dy);
                if (Math.abs(dy) > 10) {
                    if (dy > 0) {
                        upLoad = true;
                        iv_slid_top.setVisibility(View.GONE);
                    } else {
                        upLoad = false;
                        iv_slid_top.setVisibility(View.VISIBLE);
                    }
                }
            }
        });
        getGoodsList();
        getCateGorySecond();
    }
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }
 
    @Override
    public void onResume() {
        super.onResume();
        mChangeHelper.registerReceiver();
        MobclickAgent.onPageStart("分类详情页");
    }
 
    @Override
    public void onPause() {
        super.onPause();
        mChangeHelper.unregisterReceiver();
        MobclickAgent.onPageEnd("分类详情页");
        srl_second_category.setRefreshing(false);
        srl_second_category.destroyDrawingCache();
        srl_second_category.clearAnimation();
    }
 
 
    private void getGoodsList() {
        if (firstCategory == null) {
            srl_second_category.setRefreshing(false);
            return;
        }
        ShoppingApi.getRecommendSecondGoods(lv_second_category.getContext(), page + "", firstCategory.getId(), new BasicTextHttpResponseHandler() {
            @Override
            public void onStart() {
                super.onStart();
                if (page > 0) {
                    bottom.setVisibility(View.VISIBLE);
                } else {
                    bottom.setVisibility(View.GONE);
                }
            }
 
            @Override
            public void onFinish() {
                super.onFinish();
                bottom.setVisibility(View.GONE);
            }
 
            @Override
            public void onSuccessPerfect(int statusCode, Header[] headers, JSONObject jsonObject) throws Exception {
                if (jsonObject.optString("code").equalsIgnoreCase("0")) {
                    Gson gson = new GsonBuilder().serializeNulls().create();
                    List<TaoBaoGoodsBrief> list = gson.fromJson(
                            jsonObject.getJSONObject("data").optJSONArray("result").toString(),
                            new TypeToken<List<TaoBaoGoodsBrief>>() {
                            }.getType());
//                    tv_update_time.setText(jsonObject.optJSONObject("data").optString("time") + " 新品");
                    if (page == 1 && mList.size() > 0)
                        mList.clear();
                    mList.addAll(list);
                    adapter.notifyDataSetChanged();
                    isLoad = true;
                    count = Integer.parseInt(jsonObject.optJSONObject("data").optString("count"));
                    requestState(mList.size() == 0 ? 1 : 0);
                } else {
                    if (mList.size() == 0)
                        requestState(2);
                    SingleToast.showToast(getContext(), jsonObject.optString("msg"));
                }
            }
 
            @Override
            public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
                super.onFailure(statusCode, headers, responseString, throwable);
                Log.i("mResult", "请求错误--" + responseString);
                if (mList.size() == 0) {
                    if (NetUtils.getNetworkState(getContext()).equalsIgnoreCase(NetUtils.NETWORK_NONE)) {
                        requestState(3);
                    } else {
                        requestState(2);
                    }
                } else {
                    if (NetUtils.getNetworkState(getContext()).equalsIgnoreCase(NetUtils.NETWORK_NONE)) {
                        SingleToast.showToast(getContext(), "网络未连接,请检测网络设置");
                    } else {
                        SingleToast.showToast(getContext(), "网络连接异常,请检测网络设置");
                    }
                }
            }
        });
    }
 
    private void getCateGorySecond() {
        if (firstCategory == null) {
            srl_second_category.setRefreshing(false);
            return;
        }
        ShoppingApi.getSecondCategory(lv_second_category.getContext(), firstCategory.getId(), new BasicTextHttpResponseHandler() {
            @Override
            public void onSuccessPerfect(int statusCode, Header[] headers, JSONObject jsonObject) throws Exception {
                if (jsonObject.optString("code").equalsIgnoreCase("0")) {
                    Gson gson = new GsonBuilder().serializeNulls().create();
                    List<SecondCategory> list = gson.fromJson(
                            jsonObject.optJSONObject("data").optJSONArray("goodsSecondClassList").toString(),
                            new TypeToken<List<SecondCategory>>() {
                            }.getType());
                    if (secondList.size() > 0)
                        secondList.clear();
                    secondList.addAll(list);
                    gv_category_top.setAdapter(new SecondCategoryAdapter(lv_second_category.getContext(), secondList, 1));
                    gv_category_top.setFocusable(true);
                    gv_category_top.setFocusableInTouchMode(true);
                    gv_category_top.requestFocus();
                    gv_category_top.requestFocusFromTouch();
                }
            }
 
            @Override
            public void onFinish() {
                super.onFinish();
                srl_second_category.setRefreshing(false);
            }
        });
    }
 
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.iv_slid_top:
                lv_second_category.getLayoutManager().scrollToPosition(0);
                break;
            case R.id.iv_net_setting:
                tv_loading.getContext().startActivity(new Intent(Settings.ACTION_SETTINGS));
                break;
            case R.id.tv_refresh:
                tv_loading.getContext().startActivity(new Intent(Settings.ACTION_SETTINGS));
        }
    }
 
    /**
     * 请求状态 0 数据正常展示;1 返回数据为空;2 网络请求失败;3 没有连接网络
     *
     * @param state
     */
    private void requestState(int state) {
        srl_second_category.setVisibility(state == 0 ? View.VISIBLE : View.GONE);
        lv_second_category.setVisibility(state == 0 ? View.VISIBLE : View.GONE);
        ll_no_data.setVisibility(state == 1 ? View.VISIBLE : View.GONE);
        ll_request_failture.setVisibility(state == 2 ? View.VISIBLE : View.GONE);
        ll_no_net.setVisibility(state == 3 ? View.VISIBLE : View.GONE);
    }
}