package com.ypx.imagepicker.adapter;
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import android.content.Context;
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import android.util.DisplayMetrics;
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import android.util.TypedValue;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.WindowManager;
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import android.widget.FrameLayout;
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import androidx.annotation.NonNull;
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import androidx.recyclerview.widget.RecyclerView;
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import com.ypx.imagepicker.R;
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import com.ypx.imagepicker.bean.ImageItem;
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import com.ypx.imagepicker.bean.selectconfig.BaseSelectConfig;
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import com.ypx.imagepicker.bean.PickerItemDisableCode;
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import com.ypx.imagepicker.views.PickerUiConfig;
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import com.ypx.imagepicker.presenter.IPickerPresenter;
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import com.ypx.imagepicker.utils.PViewSizeUtils;
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import com.ypx.imagepicker.views.base.PickerItemView;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Description: 多选adapter
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* <p>
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* Author: yangpeixing on 2018/4/6 10:32
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* Date: 2019/2/21
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*/
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public class PickerItemAdapter extends RecyclerView.Adapter<PickerItemAdapter.ItemViewHolder> {
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private static final int ITEM_TYPE_CAMERA = 0;
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private static final int ITEM_TYPE_NORMAL = 1;
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private List<ImageItem> images;
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//选中图片列表
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private ArrayList<ImageItem> selectList;
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private BaseSelectConfig selectConfig;
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private IPickerPresenter presenter;
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private PickerUiConfig uiConfig;
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private boolean isPreformClick = false;
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public PickerItemAdapter(ArrayList<ImageItem> selectList,
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List<ImageItem> images,
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BaseSelectConfig selectConfig,
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IPickerPresenter presenter,
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PickerUiConfig uiConfig) {
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this.images = images;
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this.selectList = selectList;
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this.selectConfig = selectConfig;
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this.presenter = presenter;
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this.uiConfig = uiConfig;
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}
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/**
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* 模拟执行选中（取消选中）操作
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*
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* @param imageItem 当前item
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*/
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public void preformCheckItem(ImageItem imageItem) {
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if (onActionResult != null) {
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isPreformClick = true;
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onActionResult.onCheckItem(imageItem, PickerItemDisableCode.NORMAL);
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}
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}
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/**
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* 模拟执行点击操作
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*
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* @param imageItem 当前item
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* @param position 当前item的position
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*/
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public void preformClickItem(ImageItem imageItem, int position) {
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if (onActionResult != null) {
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isPreformClick = true;
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onActionResult.onClickItem(imageItem, position, PickerItemDisableCode.NORMAL);
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}
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}
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@NonNull
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@Override
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public PickerItemAdapter.ItemViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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return new ItemViewHolder(LayoutInflater.from(parent.getContext()).
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inflate(R.layout.picker_item_root, parent, false),
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viewType == ITEM_TYPE_CAMERA,
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selectConfig, presenter, uiConfig);
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}
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@Override
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public void onBindViewHolder(@NonNull final PickerItemAdapter.ItemViewHolder viewHolder, final int position) {
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int itemViewType = getItemViewType(position);
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final ImageItem imageItem = getItem(position);
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if (itemViewType == ITEM_TYPE_CAMERA || imageItem == null) {
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viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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preformClickItem(null, -1);
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}
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});
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return;
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}
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PickerItemView pickerItemView = viewHolder.pickerItemView;
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final int index = selectConfig.isShowCamera() ? position - 1 : position;
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pickerItemView.setPosition(index);
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pickerItemView.setAdapter(this);
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pickerItemView.initItem(imageItem, presenter, selectConfig);
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int indexOfSelectList = selectList.indexOf(imageItem);
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boolean isContainsThisItem = indexOfSelectList >= 0;
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final int finalDisableCode = PickerItemDisableCode.getItemDisableCode(imageItem, selectConfig,
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selectList, isContainsThisItem);
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if (pickerItemView.getCheckBoxView() != null) {
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pickerItemView.getCheckBoxView().setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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if (onActionResult != null) {
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isPreformClick = false;
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onActionResult.onCheckItem(imageItem, finalDisableCode);
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}
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}
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});
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}
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pickerItemView.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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if (onActionResult != null) {
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isPreformClick = false;
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onActionResult.onClickItem(imageItem, position, finalDisableCode);
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}
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}
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});
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pickerItemView.enableItem(imageItem, indexOfSelectList >= 0, indexOfSelectList);
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if (finalDisableCode != PickerItemDisableCode.NORMAL) {
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pickerItemView.disableItem(imageItem, finalDisableCode);
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}
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}
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@Override
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public int getItemViewType(int position) {
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if (selectConfig.isShowCamera()) {
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return position == 0 ? ITEM_TYPE_CAMERA : ITEM_TYPE_NORMAL;
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}
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return ITEM_TYPE_NORMAL;
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}
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@Override
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public long getItemId(int position) {
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return position;
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}
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@Override
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public int getItemCount() {
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return selectConfig.isShowCamera() ? images.size() + 1 : images.size();
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}
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private ImageItem getItem(int position) {
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if (selectConfig.isShowCamera()) {
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if (position == 0) {
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return null;
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}
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return images.get(position - 1);
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} else {
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return images.get(position);
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}
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}
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public void refreshData(List<ImageItem> items) {
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if (items != null && items.size() > 0) {
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images = items;
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}
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notifyDataSetChanged();
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}
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static class ItemViewHolder extends RecyclerView.ViewHolder {
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private PickerItemView pickerItemView;
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private Context context;
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ItemViewHolder(@NonNull View itemView, boolean isCamera, BaseSelectConfig selectConfig, IPickerPresenter presenter, PickerUiConfig uiConfig) {
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super(itemView);
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context = itemView.getContext();
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FrameLayout layout = itemView.findViewById(R.id.mRoot);
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int width = (getScreenWidth() - dp(2)) / selectConfig.getColumnCount();
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PViewSizeUtils.setViewSize(layout, width, 1.00f);
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pickerItemView = uiConfig.getPickerUiProvider().getItemView(context);
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layout.removeAllViews();
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FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
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ViewGroup.LayoutParams.MATCH_PARENT);
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params.bottomMargin = dp(1);
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params.topMargin = dp(1);
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params.rightMargin = dp(1);
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params.leftMargin = dp(1);
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if (isCamera) {
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layout.addView(pickerItemView.getCameraView(selectConfig, presenter), params);
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} else {
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layout.addView(pickerItemView, params);
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}
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}
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int getScreenWidth() {
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WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
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DisplayMetrics outMetrics = new DisplayMetrics();
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assert wm != null;
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wm.getDefaultDisplay().getMetrics(outMetrics);
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return outMetrics.widthPixels;
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}
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int dp(int dp) {
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return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
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(float) dp, context.getResources().getDisplayMetrics());
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}
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}
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public boolean isPreformClick() {
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return isPreformClick;
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}
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private OnActionResult onActionResult;
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public void setOnActionResult(OnActionResult onActionResult) {
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this.onActionResult = onActionResult;
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}
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public interface OnActionResult {
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/**
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* 点击操作
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*
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* @param imageItem 当前item
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* @param position 当前item的position
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*/
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void onClickItem(ImageItem imageItem, int position, int disableItemCode);
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/**
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* 执行选中（取消选中）操作
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*
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* @param imageItem 当前item
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*/
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void onCheckItem(ImageItem imageItem, int disableItemCode);
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}
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}
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