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| | | import android.content.Context; |
| | | import android.content.Intent; |
| | | import android.util.TypedValue; |
| | | import android.view.View; |
| | | import android.view.animation.Animation; |
| | | import android.view.animation.Transformation; |
| | | import android.widget.CompoundButton; |
| | | import android.widget.FrameLayout; |
| | | |
| | |
| | | import com.android.app_base.utils.Utils; |
| | | import com.application.zhangshi_app_android.R; |
| | | import com.application.zhangshi_app_android.bean.FamilyMemorabiliaBean; |
| | | import com.application.zhangshi_app_android.bean.TourismBean; |
| | | import com.application.zhangshi_app_android.databinding.ItemFamilyMemorabiliaBinding; |
| | | import com.application.zhangshi_app_android.ui.function.FamilyMemorabiliaDetailActivity; |
| | | import com.application.zhangshi_app_android.ui.function.FamilyMemorabiliaActivityViewModel; |
| | | import com.application.zhangshi_app_android.ui.function.FamilyMemorabiliaDetailActivity; |
| | | |
| | | import java.util.ArrayList; |
| | | import java.util.HashMap; |
| | |
| | | private final Map<FamilyMemorabiliaBean, Boolean> expendMap = new HashMap<>(); |
| | | private boolean isCheckable; |
| | | |
| | | |
| | | //接受一个上下文参数,用于初始化函数 |
| | | public FamilyMemorabiliaRvAdapter(Context context) { |
| | | super(context); |
| | | } |
| | | |
| | | //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 |
| | | public FamilyMemorabiliaRvAdapter(Context context, FamilyMemorabiliaActivityViewModel viewModel) { |
| | | super(context); |
| | | this.viewModel = viewModel; |
| | | } |
| | | |
| | | |
| | | //绑定item视图 |
| | | @Override |
| | | protected int getLayoutId() { |
| | | return R.layout.item_family_memorabilia; |
| | | } |
| | | |
| | | //创建视图持有者对象并返回,用于绑定视图和数据 |
| | | @Override |
| | | protected MyViewHolder getViewHolder(ItemFamilyMemorabiliaBinding itemBind,int viewType) { |
| | | return new MyViewHolder(itemBind); |
| | | } |
| | | |
| | | |
| | | //onBind() |
| | | @Override |
| | | protected void onBind(MyViewHolder holder, int position) { |
| | | //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。 |
| | | holder.getBinding().setBean(mDataList.get(position)); |
| | | |
| | | //typeValue1 存储解析后的属性值 |
| | | TypedValue typedValue1 = new TypedValue(); |
| | | |
| | | // |
| | | mContext.getTheme().resolveAttribute(R.attr.cardBackgroundColorFirst, typedValue1, true); |
| | | TypedValue typedValue2 = new TypedValue(); |
| | | mContext.getTheme().resolveAttribute(R.attr.cardBackgroundColorSecond, typedValue2, true); |
| | | //position为奇数的时候,用typedValue1作为背景色,偶数时用typedValue2。 |
| | | if (position % 2 != 0){ |
| | | holder.getBinding().cardView.setCardBackgroundColor(mContext.getColor(R.color.color_card_blue)); |
| | | holder.getBinding().cardView.setCardBackgroundColor(typedValue1.data); |
| | | }else { |
| | | holder.getBinding().cardView.setCardBackgroundColor(mContext.getColor(R.color.color_card_pink)); |
| | | holder.getBinding().cardView.setCardBackgroundColor(typedValue2.data); |
| | | } |
| | | |
| | | //expendMap 是一个用于存储列表项展开状态的 Map, |
| | | // 这里用来检查当前位置对应的数据是否已经在 Map 中存在, |
| | | // 如果不存在,则将其添加到 Map 中,并设置其展开状态为 false。 |
| | | if (!expendMap.containsKey(getItem(position))){ |
| | | expendMap.put(getItem(position),false); |
| | | } |
| | | |
| | | |
| | | |
| | | //根据主题选择对应图标 |
| | | TypedValue unfoldIcon = new TypedValue(); |
| | | mContext.getTheme().resolveAttribute(R.attr.icUnfold, unfoldIcon, true); |
| | | TypedValue foldIcon = new TypedValue(); |
| | | mContext.getTheme().resolveAttribute(R.attr.icFold, foldIcon, true); |
| | | |
| | | if (Boolean.TRUE.equals(expendMap.get(getItem(position)))){ |
| | | holder.getBinding().ivFold.setBackgroundResource(R.drawable.ic_unfold); |
| | | holder.getBinding().ivFold.setBackgroundResource(unfoldIcon.resourceId); |
| | | holder.getBinding().cardView.post(() -> { |
| | | holder.getBinding().cardView.getLayoutParams().height = FrameLayout.LayoutParams.WRAP_CONTENT; |
| | | holder.getBinding().cardView.requestLayout(); |
| | | }); |
| | | }else{ |
| | | holder.getBinding().ivFold.setBackgroundResource(R.drawable.ic_fold); |
| | | holder.getBinding().ivFold.setBackgroundResource(foldIcon.resourceId); |
| | | holder.getBinding().cardView.post(() -> { |
| | | holder.getBinding().cardView.getLayoutParams().height = holder.getBinding().layoutTitle.getMeasuredHeight(); |
| | | holder.getBinding().cardView.requestLayout(); |
| | | }); |
| | | } |
| | | |
| | | |
| | | //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 |
| | | if (isCheckable){ |
| | | holder.getBinding().ivFlower.setVisibility(View.GONE); |
| | | if (mDataList.get(position).getOwnData() == 1){ |
| | |
| | | }else { |
| | | holder.getBinding().checkbox.setVisibility(View.GONE); |
| | | } |
| | | |
| | | |
| | | holder.getBinding().checkbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { |
| | | @Override |
| | | public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { |
| | |
| | | holder.getBinding().ivFlower.setVisibility(View.GONE); |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | holder.getBinding().layoutTitle.setOnClickListener(new View.OnClickListener() { |
| | | @Override |
| | | public void onClick(View view) { |
| | | //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: |
| | | if (Boolean.TRUE.equals(expendMap.get(getItem(position)))){ |
| | | |
| | | //获取卡片视图的初始高度 |
| | | int initialHeight = holder.getBinding().cardView.getMeasuredHeight(); |
| | | //获取标题布局的高度。 |
| | | int collapsedHeight = holder.getBinding().layoutTitle.getMeasuredHeight(); |
| | | |
| | | //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。 |
| | | Utils.pullCollapse(holder.getBinding().cardView,initialHeight,collapsedHeight); |
| | | holder.getBinding().ivFold.setBackgroundResource(R.drawable.ic_fold); |
| | | holder.getBinding().ivFold.setBackgroundResource(foldIcon.resourceId); |
| | | |
| | | //将状态设置为折叠 |
| | | expendMap.put(getItem(position),false); |
| | | }else{ |
| | | //获取卡片视图的初始高度 initialHeight。 |
| | | final int initialHeight = holder.getBinding().cardView.getMeasuredHeight(); |
| | | //测量卡片视图的目标高度 targetHeight |
| | | holder.getBinding().cardView.measure(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT); |
| | | int targetHeight = holder.getBinding().cardView.getMeasuredHeight(); |
| | | //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。 |
| | | Utils.dropExpand(holder.getBinding().cardView,initialHeight,targetHeight); |
| | | holder.getBinding().ivFold.setBackgroundResource(R.drawable.ic_unfold); |
| | | //更新折叠图标为展开状态。 |
| | | holder.getBinding().ivFold.setBackgroundResource(unfoldIcon.resourceId); |
| | | expendMap.put(getItem(position),true); |
| | | } |
| | | } |
| | | }); |
| | | |
| | | //设置监听事件,当用户点击holder.itemView时,执行下面操作 |
| | | holder.itemView.setOnClickListener(new View.OnClickListener() { |
| | | @Override |
| | | public void onClick(View v) { |
| | | //创建一个新的 Intent 对象,该对象用于启动 FamilyMemorabiliaDetailActivity 活动。 |
| | | |
| | | |
| | | AppManager.getAppManager().startActivity( |
| | | new Intent(getRecyclerView().getContext(), FamilyMemorabiliaDetailActivity.class) |
| | | .putExtra(BaseConfig.EXTRA_TYPE,0) |
| | | .putExtra("bean",mDataList.get(position))); |
| | | } |
| | | }); |
| | | |
| | | |
| | | //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 |
| | | holder.getBinding().layoutModify.setOnClickListener(new View.OnClickListener() { |
| | | @Override |
| | | public void onClick(View v) { |
| | | //创建一个新的 Intent 对象,该对象用于启动 FamilyMemorabiliaDetailActivity 活动。 |
| | | AppManager.getAppManager().startActivity( |
| | | new Intent(getRecyclerView().getContext(), FamilyMemorabiliaDetailActivity.class) |
| | | .putExtra(BaseConfig.EXTRA_TYPE,2) |
| | | .putExtra("bean",mDataList.get(position))); |
| | | } |
| | | }); |
| | | |
| | | |
| | | //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 |
| | | holder.getBinding().layoutDelete.setOnClickListener(new View.OnClickListener() { |
| | | @Override |
| | | public void onClick(View v) { |
| | |
| | | .show(); |
| | | } |
| | | }); |
| | | |
| | | |
| | | //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 |
| | | ElectronicFileAdapter adapter = new ElectronicFileAdapter(mContext); |
| | | adapter.setData(Utils.splitString2List(mDataList.get(position).getUrl(),",")); |
| | | holder.getBinding().rvImage.setLayoutManager(new GridLayoutManager(mContext,3)); |
| | | holder.getBinding().rvImage.setAdapter(adapter); |
| | | } |
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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。 |
| | | public void setCheckable(boolean b) { |
| | | isCheckable = b; |
| | | notifyItemRangeChanged(0,getItemCount()); |