package me.nereo.multi_image_selector.adapter;
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import android.content.Context;
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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.widget.BaseAdapter;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.squareup.picasso.Picasso;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import me.nereo.multi_image_selector.R;
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import me.nereo.multi_image_selector.bean.Folder;
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/**
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* 文件夹Adapter
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* Created by Nereo on 2015/4/7.
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* Updated by nereo on 2016/1/19.
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*/
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public class FolderAdapter extends BaseAdapter {
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private Context mContext;
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private LayoutInflater mInflater;
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private List<Folder> mFolders = new ArrayList<>();
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int mImageSize;
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int lastSelected = 0;
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public FolderAdapter(Context context){
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mContext = context;
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mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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mImageSize = mContext.getResources().getDimensionPixelOffset(R.dimen.mis_folder_cover_size);
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}
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/**
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* 设置数据集
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* @param folders
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*/
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public void setData(List<Folder> folders) {
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if(folders != null && folders.size()>0){
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mFolders = folders;
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}else{
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mFolders.clear();
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}
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notifyDataSetChanged();
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}
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@Override
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public int getCount() {
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return mFolders.size()+1;
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}
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@Override
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public Folder getItem(int i) {
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if(i == 0) return null;
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return mFolders.get(i-1);
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}
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@Override
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public long getItemId(int i) {
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return i;
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}
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@Override
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public View getView(int i, View view, ViewGroup viewGroup) {
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ViewHolder holder;
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if(view == null){
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view = mInflater.inflate(R.layout.mis_list_item_folder, viewGroup, false);
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holder = new ViewHolder(view);
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}else{
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holder = (ViewHolder) view.getTag();
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}
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if (holder != null) {
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if(i == 0){
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holder.name.setText(R.string.mis_folder_all);
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holder.path.setText("/sdcard");
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holder.size.setText(String.format("%d%s",
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getTotalImageSize(), mContext.getResources().getString(R.string.mis_photo_unit)));
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if(mFolders.size()>0){
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Folder f = mFolders.get(0);
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if (f != null) {
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Picasso.get()
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.load(new File(f.cover.path))
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.error(R.drawable.mis_default_error)
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.resizeDimen(R.dimen.mis_folder_cover_size, R.dimen.mis_folder_cover_size)
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.centerCrop()
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.into(holder.cover);
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}else{
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holder.cover.setImageResource(R.drawable.mis_default_error);
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}
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}
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}else {
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holder.bindData(getItem(i));
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}
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if(lastSelected == i){
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holder.indicator.setVisibility(View.VISIBLE);
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}else{
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holder.indicator.setVisibility(View.INVISIBLE);
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}
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}
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return view;
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}
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private int getTotalImageSize(){
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int result = 0;
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if(mFolders != null && mFolders.size()>0){
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for (Folder f: mFolders){
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result += f.images.size();
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}
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}
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return result;
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}
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public void setSelectIndex(int i) {
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if(lastSelected == i) return;
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lastSelected = i;
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notifyDataSetChanged();
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}
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public int getSelectIndex(){
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return lastSelected;
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}
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class ViewHolder{
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ImageView cover;
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TextView name;
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TextView path;
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TextView size;
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ImageView indicator;
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ViewHolder(View view){
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cover = (ImageView)view.findViewById(R.id.cover);
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name = (TextView) view.findViewById(R.id.name);
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path = (TextView) view.findViewById(R.id.path);
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size = (TextView) view.findViewById(R.id.size);
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indicator = (ImageView) view.findViewById(R.id.indicator);
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view.setTag(this);
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}
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void bindData(Folder data) {
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if(data == null){
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return;
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}
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name.setText(data.name);
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path.setText(data.path);
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if (data.images != null) {
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size.setText(String.format("%d%s", data.images.size(), mContext.getResources().getString(R.string.mis_photo_unit)));
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}else{
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size.setText("*"+mContext.getResources().getString(R.string.mis_photo_unit));
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}
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if (data.cover != null) {
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// 显示图片
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Picasso.get()
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.load(new File(data.cover.path))
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.placeholder(R.drawable.mis_default_error)
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.resizeDimen(R.dimen.mis_folder_cover_size, R.dimen.mis_folder_cover_size)
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.centerCrop()
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.into(cover);
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}else{
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cover.setImageResource(R.drawable.mis_default_error);
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}
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}
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}
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}
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