package com.application.zhangshi_app_android.adapter;
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import android.content.Context;
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import android.content.Intent;
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import android.util.TypedValue;
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import android.view.View;
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import android.widget.CompoundButton;
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import android.widget.FrameLayout;
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import androidx.recyclerview.widget.GridLayoutManager;
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import com.android.app_base.base.BaseConfig;
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import com.android.app_base.base.adapter.BaseRVAdapter;
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import com.android.app_base.manager.AppManager;
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import com.android.app_base.utils.Utils;
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import com.application.zhangshi_app_android.R;
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import com.application.zhangshi_app_android.bean.WebcastBean;
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import com.application.zhangshi_app_android.databinding.ItemWebcastBinding;
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import com.application.zhangshi_app_android.ui.function.WebcastActivityViewModel;
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import com.application.zhangshi_app_android.ui.function.WebcastDetailActivity;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* @author Ljj
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* @date 2023.03.18. 10:27
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* @desc 家大事记 recyclerView 的 adapter
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*/
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public class WebcastRvAdapter extends BaseRVAdapter<WebcastBean, ItemWebcastBinding, WebcastRvAdapter.MyViewHolder> {
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private WebcastActivityViewModel viewModel;
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private final Map<WebcastBean, Boolean> expendMap = new HashMap<>();
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private boolean isCheckable;
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//接受一个上下文参数，用于初始化函数
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public WebcastRvAdapter(Context context) {
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super(context);
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}
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//除了上下文参数外，还接受一个view Model对象作为参数，用于与视图模型进行交互和数据绑定
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public WebcastRvAdapter(Context context, WebcastActivityViewModel viewModel) {
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super(context);
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this.viewModel = viewModel;
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}
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//绑定item视图
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@Override
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protected int getLayoutId() {
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return R.layout.item_webcast;
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}
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//创建视图持有者对象并返回，用于绑定视图和数据
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@Override
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protected MyViewHolder getViewHolder(ItemWebcastBinding itemBind, int viewType) {
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return new MyViewHolder(itemBind);
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}
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//onBind()
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@Override
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protected void onBind(MyViewHolder holder, int position) {
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//将当前位置的数据绑定到视图持有者中的布局绑定对象上，以便显示相应的家庭纪念品数据。
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holder.getBinding().setBean(mDataList.get(position));
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//typeValue1 存储解析后的属性值
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TypedValue typedValue1 = new TypedValue();
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//
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mContext.getTheme().resolveAttribute(R.attr.cardBackgroundColorFirst, typedValue1, true);
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TypedValue typedValue2 = new TypedValue();
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mContext.getTheme().resolveAttribute(R.attr.cardBackgroundColorSecond, typedValue2, true);
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//position为奇数的时候，用typedValue1作为背景色，偶数时用typedValue2。
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if (position % 2 != 0){
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holder.getBinding().cardView.setCardBackgroundColor(typedValue1.data);
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}else {
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holder.getBinding().cardView.setCardBackgroundColor(typedValue2.data);
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}
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//expendMap 是一个用于存储列表项展开状态的 Map，
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// 这里用来检查当前位置对应的数据是否已经在 Map 中存在，
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// 如果不存在，则将其添加到 Map 中，并设置其展开状态为 false。
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if (!expendMap.containsKey(getItem(position))){
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expendMap.put(getItem(position),false);
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}
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//根据主题选择对应图标
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TypedValue unfoldIcon = new TypedValue();
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mContext.getTheme().resolveAttribute(R.attr.icUnfold, unfoldIcon, true);
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TypedValue foldIcon = new TypedValue();
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mContext.getTheme().resolveAttribute(R.attr.icFold, foldIcon, true);
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if (Boolean.TRUE.equals(expendMap.get(getItem(position)))){
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holder.getBinding().ivFold.setBackgroundResource(unfoldIcon.resourceId);
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holder.getBinding().cardView.post(() -> {
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holder.getBinding().cardView.getLayoutParams().height = FrameLayout.LayoutParams.WRAP_CONTENT;
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holder.getBinding().cardView.requestLayout();
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});
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}else{
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holder.getBinding().ivFold.setBackgroundResource(foldIcon.resourceId);
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holder.getBinding().cardView.post(() -> {
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holder.getBinding().cardView.getLayoutParams().height = holder.getBinding().layoutTitle.getMeasuredHeight();
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holder.getBinding().cardView.requestLayout();
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});
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}
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//这段代码的作用是根据条件显示或隐藏复选框，并在用户选择列表项时更新相应的 LiveData 数据以及界面上的复选框状态
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if (isCheckable){
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holder.getBinding().ivFlower.setVisibility(View.GONE);
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if (mDataList.get(position).getOwnData() == 1){
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holder.getBinding().checkbox.setVisibility(View.VISIBLE);
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}else {
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holder.getBinding().checkbox.setVisibility(View.GONE);
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}
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holder.getBinding().checkbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
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if (viewModel.getCheckListLiveData().getValue() == null){
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viewModel.getCheckListLiveData().setValue(new ArrayList<>());
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}
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List<WebcastBean> list = new ArrayList<>(viewModel.getCheckListLiveData().getValue());
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if (isChecked){
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if (!list.contains(mDataList.get(position))){
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list.add(mDataList.get(position));
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}
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}else{
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list.remove(mDataList.get(position));
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}
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viewModel.getCheckListLiveData().setValue(list);
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}
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});
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holder.getBinding().checkbox.setChecked(viewModel.getCheckListLiveData().getValue().contains(mDataList.get(position)));
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}else{
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holder.getBinding().checkbox.setVisibility(View.GONE);
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if (mDataList.get(position).getOwnData() == 1){
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holder.getBinding().ivFlower.setVisibility(View.VISIBLE);
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}else {
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holder.getBinding().ivFlower.setVisibility(View.GONE);
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}
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}
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holder.getBinding().layoutTitle.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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//如果expendMap 中存储的当前位置的状态是 true，表示当前视图是展开状态，需要执行折叠操作：
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if (Boolean.TRUE.equals(expendMap.get(getItem(position)))){
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//获取卡片视图的初始高度
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int initialHeight = holder.getBinding().cardView.getMeasuredHeight();
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//获取标题布局的高度。
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int collapsedHeight = holder.getBinding().layoutTitle.getMeasuredHeight();
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//调用 Utils.pullCollapse() 方法执行折叠动画，并传入卡片视图的初始高度和标题布局的高度。
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Utils.pullCollapse(holder.getBinding().cardView,initialHeight,collapsedHeight);
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holder.getBinding().ivFold.setBackgroundResource(foldIcon.resourceId);
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//将状态设置为折叠
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expendMap.put(getItem(position),false);
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}else{
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//获取卡片视图的初始高度 initialHeight。
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final int initialHeight = holder.getBinding().cardView.getMeasuredHeight();
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//测量卡片视图的目标高度 targetHeight
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holder.getBinding().cardView.measure(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT);
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int targetHeight = holder.getBinding().cardView.getMeasuredHeight();
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//调用 Utils.dropExpand() 方法执行展开动画，并传入卡片视图的初始高度和目标高度。
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Utils.dropExpand(holder.getBinding().cardView,initialHeight,targetHeight);
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//更新折叠图标为展开状态。
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holder.getBinding().ivFold.setBackgroundResource(unfoldIcon.resourceId);
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expendMap.put(getItem(position),true);
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}
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}
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});
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//设置监听事件，当用户点击holder.itemView时，执行下面操作
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holder.itemView.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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//创建一个新的 Intent 对象，该对象用于启动 WebcastDetailActivity 活动。
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AppManager.getAppManager().startActivity(
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new Intent(getRecyclerView().getContext(), WebcastDetailActivity.class)
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.putExtra(BaseConfig.EXTRA_TYPE,0)
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.putExtra("bean",mDataList.get(position)));
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}
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});
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//设置监听事件，当用户点击layout中对应的layout_modify时，执行下面操作
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// holder.getBinding().layoutModify.setOnClickListener(new View.OnClickListener() {
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// @Override
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// public void onClick(View v) {
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// //创建一个新的 Intent 对象，该对象用于启动 FamilyMemorabiliaDetailActivity 活动。
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// AppManager.getAppManager().startActivity(
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// new Intent(getRecyclerView().getContext(), MeetingDetailActivity.class)
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// .putExtra(BaseConfig.EXTRA_TYPE,2)
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// .putExtra("bean",mDataList.get(position)));
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// }
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// });
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//设置监听事件，当用户点击layout中对应的layout_delete时，执行下面操作
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// holder.getBinding().layoutDelete.setOnClickListener(new View.OnClickListener() {
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// @Override
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// public void onClick(View v) {
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// new UIDialog.Builder(mContext)
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// .setTitle("您确定要删除该项目吗")
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// .setContent("项目删除后将无法恢复")
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// .setConfirm("确定")
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// .setCancel("取消")
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// .setListener(new UIDialog.OnListener() {
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// @Override
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// public void onConfirm(BaseDialog dialog) {
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// viewModel.deleteItem(mDataList.get(position));
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// }
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// })
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// .show();
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// }
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// });
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//ElectronicFileAdapter 适配器来显示电子文件列表，并将其绑定到 视图layout中的rv_image
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ElectronicFileAdapter adapter = new ElectronicFileAdapter(mContext);
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adapter.setData(Utils.splitString2List(mDataList.get(position).getUrl(),","));
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holder.getBinding().rvImage.setLayoutManager(new GridLayoutManager(mContext,3));
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holder.getBinding().rvImage.setAdapter(adapter);
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}
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//notifyItemRangeChanged(0, getItemCount()) 方法，通知适配器范围内的项已更改，以便在 RecyclerView 中更新相应的视图。
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public void setCheckable(boolean b) {
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isCheckable = b;
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notifyItemRangeChanged(0,getItemCount());
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}
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public static class MyViewHolder extends BaseViewHolder<ItemWebcastBinding>{
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public MyViewHolder(ItemWebcastBinding binding) {
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super(binding);
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}
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}
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}
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