package com.tejia.lijin.app.ui.timeLimitedSpike;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import androidx.databinding.DataBindingUtil;
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import android.graphics.Color;
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import android.graphics.drawable.AnimationDrawable;
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import android.os.Bundle;
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.LinearSmoothScroller;
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import androidx.recyclerview.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.tejia.lijin.app.R;
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import com.tejia.lijin.app.contract.TimeLimitedSpikeContract;
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import com.tejia.lijin.app.databinding.ActivityTimelimitedspikeBinding;
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import com.tejia.lijin.app.entity.SpikTime;
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import com.tejia.lijin.app.entity.TaoBaoGoodsBrief;
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import com.tejia.lijin.app.presenter.TimeLimitedSpikePresenter;
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import com.tejia.lijin.app.util.ToolUtil;
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import com.tejia.lijin.app.util.TopStatusSettings;
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import com.tejia.lijin.app.view.BaseActivity;
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import org.json.JSONObject;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 限时秒杀
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*/
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@SuppressLint("Registered")
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public class TimeLimitedSpikeActivity extends BaseActivity<TimeLimitedSpikeContract.TimeLimitedSpikeView, TimeLimitedSpikePresenter>
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implements TimeLimitedSpikeContract.TimeLimitedSpikeView, View.OnClickListener, TimeSpikAdapter.TimeSpikCallBack {
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private ActivityTimelimitedspikeBinding binding;
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private TimeSpikAdapter spikAdapter;
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private List<SpikTime> mSpikTimeList = new ArrayList<>();
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private SpikeGoodsListAdapter goodsListAdapter;
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private List<TaoBaoGoodsBrief> goodsBriefList = new ArrayList<>();
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private View bottomBinding;
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private ImageView ivLoading;
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private TextView tvLoading;
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private LinearLayoutManager ms;
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@Override
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protected void initActivityView(Bundle savedInstanceState) {
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binding = DataBindingUtil.setContentView(this, R.layout.activity_timelimitedspike);
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}
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@Override
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protected void findViewById() {
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TopStatusSettings.setStatusView(this, binding.includeStatusBar.vStatusBar);
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binding.includeTopBar.tvTopBarMiddle.setText("限时秒杀");
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binding.includeTopBar.tvTopBarLeft.setOnClickListener(this);
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ms = new LinearLayoutManager(this);
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ms.setOrientation(LinearLayoutManager.HORIZONTAL);// 设置 recyclerview 布局方式为横向布局
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binding.timeSpikrv.setLayoutManager(ms); //给RecyClerView 添加设置好的布局样式
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spikAdapter = new TimeSpikAdapter(this, mSpikTimeList, this);
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binding.timeSpikrv.setAdapter(spikAdapter);
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LinearLayoutManager ms2 = new LinearLayoutManager(this);
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binding.timeGoodsrv.setLayoutManager(ms2); //给RecyClerView 添加设置好的布局样式
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goodsListAdapter = new SpikeGoodsListAdapter(this, goodsBriefList, "限时秒杀");
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binding.timeGoodsrv.setAdapter(goodsListAdapter);
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bottomBinding = LayoutInflater.from(this).inflate(R.layout.item_recyclerview_bottom2, null);
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goodsListAdapter.addFooterView(bottomBinding);
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AnimationDrawable animationDrawable = (AnimationDrawable) getResources().getDrawable(
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R.drawable.anim_list_loading);
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ivLoading = bottomBinding.findViewById(R.id.iv_loading2);
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tvLoading = bottomBinding.findViewById(R.id.tv_loading2);
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bottomBinding.setBackgroundColor(Color.parseColor("#EEEEEE"));
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animationDrawable.start();
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binding.timeGoodssrl.setColorSchemeColors(getResources().getColor(R.color.theme));
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binding.timeGoodsrv.addOnScrollListener(new RecyclerView.OnScrollListener() {
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@Override
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public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
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super.onScrollStateChanged(recyclerView, newState);
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LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();
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int last = layoutManager.findLastVisibleItemPosition();
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int total = layoutManager.getItemCount();
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if (newState == RecyclerView.SCROLL_STATE_IDLE) {
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if (last == total - 1 && goodsBriefList.size() < count && isLoad) {
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page++;
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isLoad = false;
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ivLoading.setVisibility(View.VISIBLE);
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tvLoading.setText("正在加载更多是数据");
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getSpikeGoodsList(mSpikTimeList.get(position).requestTime, page);
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}
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}
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// if (move) {
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// move = false;
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// int n = position - ms.findFirstVisibleItemPosition();
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// if (n >= 0 && n < recyclerView.getChildCount()) {
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// recyclerView.scrollBy( recyclerView.getChildAt(n).get,0); //滚动到顶部
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//// setRecyclerScroll_Center(recyclerView.getFocusedChild());//滚动到屏幕中央
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// }
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// }
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}
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@Override
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public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
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super.onScrolled(recyclerView, dx, dy);
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}
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});
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binding.timeGoodssrl.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
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@Override
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public void onRefresh() {
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page = 1;
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if (mSpikTimeList.size() > 0)
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getSpikeGoodsList(mSpikTimeList.get(position).requestTime, page);
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}
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});
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}
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@Override
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protected TimeLimitedSpikePresenter createPresenter() {
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return new TimeLimitedSpikePresenter(this);
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}
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@Override
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protected void getData() {
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mPresenter.getSpikTime(this);//获取顶部限时秒杀数据
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}
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private boolean isLoad = true;
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public int count = 0;//商品列表数据
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private boolean move = false;
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/**
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* 限时秒杀顶部返回 数据
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**/
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@Override
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public void onSpikTime(JSONObject obj) {
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binding.timeGoodssrl.setRefreshing(true);
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mPresenter.setSpikTime(obj, mSpikTimeList, spikAdapter);
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binding.timeGoodssrl.postDelayed(new Runnable() {
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@Override
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public void run() {
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int fir = ms.findFirstVisibleItemPosition();
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int end = ms.findLastVisibleItemPosition();
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final int p = position;
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if (p <= fir) {
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binding.timeSpikrv.scrollToPosition(p);
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} else if (p <= end) {
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int top = binding.timeSpikrv.getChildAt(p - fir).getTop();
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binding.timeSpikrv.scrollBy(top, 0);
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} else {
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binding.timeSpikrv.scrollToPosition(position); //先让当前view滚动到列表内
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move = true;
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}
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//当view滚动到列表内 就可以用layout manager来滚动
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LinearSmoothScroller s1 = new TopSmoothScroller(binding.timeSpikrv.getContext());
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s1.setTargetPosition(2);
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ms.startSmoothScroll(s1);
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}
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}, 200);
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}
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@Override
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public void onSpikTimeFail(String err) {
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ToolUtil.showToast(this, "请检查网络");
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}
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private int page = 1;
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/**
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* 限时秒杀商品数据返回列表
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**/
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@Override
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public void onSpikeGoodsList(JSONObject obj) {
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binding.timeGoodssrl.setRefreshing(false);
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mPresenter.setSpikeGoodsList(obj, goodsListAdapter, goodsBriefList, page, ivLoading, tvLoading);
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}
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@Override
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public void onSpikeGoodsListFail(String err) {
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binding.timeGoodssrl.setRefreshing(false);
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ToolUtil.showToast(this, "请检查网络");
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}
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/*******************获取限时秒杀商品数据*******/
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public void getSpikeGoodsList(String time, int page) {
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mPresenter.getSpikeGoodsList(this, time, page + "", null);
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}
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@Override
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public void onClick(View view) {
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if (view.getId() == R.id.tv_top_bar_left) {
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finish();
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}
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}
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/*****************限时秒杀顶部选中item平移到屏幕中央********/
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public void setRecyclerScroll_Center(final View clkView) {
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int itemWidth = clkView.getWidth();
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int screenWidth = getResources().getDisplayMetrics().widthPixels;
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int scrollWidth = clkView.getLeft() - (screenWidth / 2 - itemWidth / 2);
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binding.timeSpikrv.scrollBy(scrollWidth, 0);
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}
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public int position = 0;
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/************************顶部Adapter单击事件******/
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@Override
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public void onTimeSpikCallBack(View view, int position) {
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binding.timeGoodssrl.setRefreshing(true);
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this.position = position;
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mPresenter.setTimeSpikCallBack(mSpikTimeList, spikAdapter, page, position);
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setRecyclerScroll_Center(view);//滚动到屏幕中央
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}
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public static class TopSmoothScroller extends LinearSmoothScroller {
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TopSmoothScroller(Context context) {
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super(context);
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}
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@Override
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protected int getHorizontalSnapPreference() {
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return SNAP_TO_START;//具体见源码注释
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}
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@Override
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protected int getVerticalSnapPreference() {
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return SNAP_TO_START;//具体见源码注释
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}
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}
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}
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