家大事记完善

Linjiajia

2023-03-28 bf4e40cdf60c2a2fd8a486051a1ddac2daefef62

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package com.application.zhangshi_app_android.adapter;
 
import android.content.Context;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.Transformation;
import android.widget.CompoundButton;
import android.widget.FrameLayout;
 
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
 
import com.android.app_base.base.adapter.BaseRVAdapter;
import com.application.zhangshi_app_android.R;
import com.application.zhangshi_app_android.bean.FamilyMemorabiliaBean;
import com.application.zhangshi_app_android.databinding.ItemFamilyMemorabiliaBinding;
import com.application.zhangshi_app_android.ui.function.FamilyMemorabiliaActivity;
import com.application.zhangshi_app_android.ui.function.FamilyMemorabiliaActivityViewModel;
 
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
 
/**
 * @author Ljj
 * @date 2023.03.18. 10:27
 * @desc 家大事记 recyclerView 的 adapter
 */
public class FamilyMemorabiliaRvAdapter extends BaseRVAdapter<FamilyMemorabiliaBean, ItemFamilyMemorabiliaBinding, FamilyMemorabiliaRvAdapter.MyViewHolder> {
 
 
    private FamilyMemorabiliaActivityViewModel viewModel;
    private boolean isCheckable;
 
    public FamilyMemorabiliaRvAdapter(Context context) {
        super(context);
    }
 
    public FamilyMemorabiliaRvAdapter(Context context, FamilyMemorabiliaActivityViewModel viewModel) {
        super(context);
        this.viewModel = viewModel;
    }
 
    @Override
    protected int getLayoutId() {
        return R.layout.item_family_memorabilia;
    }
 
    @Override
    protected MyViewHolder getViewHolder(ItemFamilyMemorabiliaBinding itemBind) {
        return new MyViewHolder(itemBind);
    }
 
    @Override
    protected void onBind(MyViewHolder holder, int position) {
        holder.getBinding().setBean(mDataList.get(position));
        if (position % 2 != 0){
            holder.getBinding().cardView.setCardBackgroundColor(mContext.getColor(R.color.color_card_blue));
        }else {
            holder.getBinding().cardView.setCardBackgroundColor(mContext.getColor(R.color.color_card_pink));
        }
        if (isCheckable){
            holder.getBinding().checkbox.setVisibility(View.VISIBLE);
            holder.getBinding().checkbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
                @Override
                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                    List<FamilyMemorabiliaBean> list = new ArrayList<>(Objects.requireNonNull(viewModel.getCheckListLiveData().getValue()));
                    if (isChecked){
                        list.add(mDataList.get(position));
                    }else{
                        list.remove(mDataList.get(position));
                    }
                    viewModel.getCheckListLiveData().postValue(list);
                }
            });
            holder.getBinding().checkbox.setChecked(viewModel.getCheckListLiveData().getValue().contains(mDataList.get(position)));
        }else{
            holder.getBinding().checkbox.setVisibility(View.GONE);
        }
        holder.getBinding().layoutTitle.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (holder.isExpended){
                    int initialHeight = holder.getBinding().cardView.getMeasuredHeight();
                    int collapsedHeight = holder.getBinding().layoutTitle.getMeasuredHeight();
                    int distanceToCollapse = (int) (initialHeight - collapsedHeight);
 
                    Animation a = new Animation() {
                        @Override
                        protected void applyTransformation(float interpolatedTime, Transformation t) {
                            if (interpolatedTime == 1){
                            }
                            holder.getBinding().cardView.getLayoutParams().height = (int) (initialHeight - (distanceToCollapse * interpolatedTime));
                            holder.getBinding().cardView.requestLayout();
                        }
 
                        @Override
                        public boolean willChangeBounds() {
                            return true;
                        }
                    };
                    a.setDuration(500);
                    holder.getBinding().cardView.startAnimation(a);
                    holder.isExpended = false;
                }else{
                    final int initialHeight = holder.getBinding().cardView.getMeasuredHeight();
                    holder.getBinding().cardView.measure(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT);
                    int targetHeight = holder.getBinding().cardView.getMeasuredHeight();
                    int distanceToExpand = targetHeight - initialHeight;
                    Animation a = new Animation() {
                        @Override
                        protected void applyTransformation(float interpolatedTime, Transformation t) {
                            if (interpolatedTime == 1){
                            }
                            holder.getBinding().cardView.getLayoutParams().height = (int) (initialHeight + (distanceToExpand * interpolatedTime));
                            holder.getBinding().cardView.requestLayout();
                        }
 
                        @Override
                        public boolean willChangeBounds() {
                            return true;
                        }
                    };
                    a.setDuration(500);
                    holder.getBinding().cardView.startAnimation(a);
                    holder.isExpended = true;
                }
            }
        });
    }
 
    public void setCheckable(boolean b) {
        isCheckable = b;
        notifyItemRangeChanged(0,getItemCount());
    }
 
 
    public static class MyViewHolder extends BaseViewHolder<ItemFamilyMemorabiliaBinding>{
        private boolean isExpended;
 
        public MyViewHolder(ItemFamilyMemorabiliaBinding binding) {
            super(binding);
        }
    }
 
}