package com.application.zhangshi_app_android.adapter.databinding;

import android.graphics.drawable.Drawable;
import android.text.TextUtils;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.appcompat.content.res.AppCompatResources;
import androidx.core.content.res.ResourcesCompat;
import androidx.databinding.BindingAdapter;
import androidx.databinding.InverseBindingAdapter;
import androidx.databinding.InverseBindingListener;

import com.application.zhangshi_app_android.MyApplication;
import com.application.zhangshi_app_android.R;

import java.math.BigDecimal;

/**
 * @author Ljj
 * @date 2023.07.23. 19:19
 * @desc
 */
public class ImageViewAdapter {

    /**
     * 根据 int 状态值为 imageView设置背景
     * @param state 1 选中 0 未选中
     */
    @BindingAdapter("select_state")
    public static void setSelectState(ImageView imageView, int state) {
        if (state == 1){
            imageView.setBackgroundResource(R.drawable.ic_radio_button_selected);
        }else {
            imageView.setBackgroundResource(R.drawable.ic_radio_button_unselected);
        }

    }

    /**
     * 根据imageView的背景获取选中状态
     * @return 1 选中 0 未选中
     */
    @InverseBindingAdapter(attribute = "select_state")
    public static int getSelectState(ImageView imageView) {
        Drawable drawable = AppCompatResources.getDrawable(imageView.getContext(),R.drawable.ic_radio_button_selected);
        if (imageView.getBackground().getConstantState().equals(drawable.getConstantState())) {
            return 1;
        } else{
            return 0;
        }

    }

    /**
     * 设置选中状态改变监听
     */
    @BindingAdapter("select_stateAttrChanged")
    public static void setSelectStateAttrChanged(ImageView imageView, final InverseBindingListener listener) {
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Drawable drawable = AppCompatResources.getDrawable(imageView.getContext(),R.drawable.ic_radio_button_selected);
                boolean isSelect = imageView.getBackground().getConstantState().equals(drawable.getConstantState());
                if (isSelect) {
                    imageView.setBackgroundResource(R.drawable.ic_radio_button_unselected);
                } else{
                    imageView.setBackgroundResource(R.drawable.ic_radio_button_selected);
                }
                listener.onChange();
            }
        });
        //默认一开始不可点击
        imageView.setClickable(false);
    }

}