package com.llf.photopicker;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.FileProvider;
import android.support.v4.content.Loader;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.ListPopupWindow;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.Toast;
import com.llf.basemodel.utils.FileUtil;
import com.llf.basemodel.utils.SettingUtil;
import com.llf.photopicker.adapter.FolderListAdapter;
import com.llf.photopicker.adapter.ImageListAdapter;
import com.llf.photopicker.bean.Folder;
import com.llf.photopicker.bean.Image;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* Created by llf on 2017/3/10.
* 图片选择Fragment
*/
public class PickPhotoFragment extends Fragment implements View.OnClickListener, ImageListAdapter.OnItemClickListener {
private ImgSelConfig config;
private RecyclerView mRecyclerView;
private Button btnAlbumSelected;
private View rlBottom;
private ListPopupWindow folderPopupWindow;
private Callback callback;
private FolderListAdapter mFolderListAdapter;
private ImageListAdapter mImageListAdapter;
private List<Folder> folderList = new ArrayList<>();
private List<Image> imageList = new ArrayList<>();
private static final int LOADER_ALL = 0;
private static final int LOADER_CATEGORY = 1;
private static final int REQUEST_CAMERA = 5;
private File tempFile;
public static PickPhotoFragment instance(ImgSelConfig config) {
PickPhotoFragment fragment = new PickPhotoFragment();
Bundle bundle = new Bundle();
bundle.putSerializable("config", config);
fragment.setArguments(bundle);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
config = (ImgSelConfig) getArguments().getSerializable("config");
}
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_pick_photo, container, false);
mRecyclerView = (RecyclerView) view.findViewById(R.id.recyclerView);
btnAlbumSelected = (Button) view.findViewById(R.id.btnAlbumSelected);
btnAlbumSelected.setOnClickListener(this);
rlBottom = view.findViewById(R.id.rlBottom);
return view;
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
callback = (Callback) getActivity();
mRecyclerView.setLayoutManager(new GridLayoutManager(mRecyclerView.getContext(), 3));
if (config.needCamera) {
imageList.add(new Image());
}
mImageListAdapter = new ImageListAdapter(getActivity(), imageList, config, this);
mRecyclerView.setAdapter(mImageListAdapter);
mFolderListAdapter = new FolderListAdapter(getActivity(), folderList);
getActivity().getSupportLoaderManager().initLoader(LOADER_ALL, null, mLoaderCallback);
}
private LoaderManager.LoaderCallbacks<Cursor> mLoaderCallback = new LoaderManager.LoaderCallbacks<Cursor>() {
private final String[] IMAGE_PROJECTION = {
MediaStore.Images.Media.DATA,
MediaStore.Images.Media.DISPLAY_NAME,
MediaStore.Images.Media.DATE_ADDED,
MediaStore.Images.Media._ID};
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
if (id == LOADER_ALL) {
CursorLoader cursorLoader = new CursorLoader(getActivity(),
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_PROJECTION,
null, null, IMAGE_PROJECTION[2] + " DESC");
return cursorLoader;
} else if (id == LOADER_CATEGORY) {
CursorLoader cursorLoader = new CursorLoader(getActivity(),
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_PROJECTION,
IMAGE_PROJECTION[0] + " like '%" + args.getString("path") + "%'", null, IMAGE_PROJECTION[2] + " DESC");
return cursorLoader;
}
return null;
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
if (data != null) {
folderList.clear();
folderList.add(new Folder());
int count = data.getCount();
if (count > 0) {
List<Image> tempImageList = new ArrayList<>();
data.moveToFirst();
do {
String path = data.getString(data.getColumnIndexOrThrow(IMAGE_PROJECTION[0]));
String name = data.getString(data.getColumnIndexOrThrow(IMAGE_PROJECTION[1]));
long dateTime = data.getLong(data.getColumnIndexOrThrow(IMAGE_PROJECTION[2]));
Image image = new Image(path, name, dateTime);
if (!image.path.endsWith("gif"))
tempImageList.add(image);
File imageFile = new File(path);
File folderFile = imageFile.getParentFile();
Folder folder = new Folder();
folder.name = folderFile.getName();
folder.path = folderFile.getAbsolutePath();
folder.cover = image;
if (!folderList.contains(folder)) {
List<Image> imageList = new ArrayList<>();
imageList.add(image);
folder.images = imageList;
folderList.add(folder);
} else {
Folder f = folderList.get(folderList.indexOf(folder));
f.images.add(image);
}
} while (data.moveToNext());
imageList.clear();
if (config.needCamera)
imageList.add(new Image());
imageList.addAll(tempImageList);
mImageListAdapter.notifyDataSetChanged();
mFolderListAdapter.notifyDataSetChanged();
}
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
};
@Override
public void onClick(View v) {
if (v.getId() == btnAlbumSelected.getId()) {
if (folderPopupWindow == null) {
createPopupFolderList(SettingUtil.getScreenWidth(getActivity()) / 3 * 2, SettingUtil.getScreenWidth(getActivity()) / 3 * 2);
}
if (folderPopupWindow.isShowing()) {
folderPopupWindow.dismiss();
} else {
folderPopupWindow.show();
int index = mFolderListAdapter.getSelectIndex();
index = index == 0 ? index : index - 1;
folderPopupWindow.getListView().setSelection(index);
}
}
}
private void createPopupFolderList(int width, int height) {
folderPopupWindow = new ListPopupWindow(getActivity());
folderPopupWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
folderPopupWindow.setAdapter(mFolderListAdapter);
folderPopupWindow.setContentWidth(width);
folderPopupWindow.setWidth(width);
folderPopupWindow.setHeight(height);
folderPopupWindow.setAnchorView(rlBottom);
folderPopupWindow.setModal(true);
folderPopupWindow.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
folderPopupWindow.dismiss();
mFolderListAdapter.setSelectIndex(position);
if (position == 0) {
getActivity().getSupportLoaderManager().restartLoader(LOADER_ALL, null, mLoaderCallback);
btnAlbumSelected.setText("所有图片");
} else {
imageList.clear();
if (config.needCamera)
imageList.add(new Image());
imageList.addAll(folderList.get(position).images);
mImageListAdapter.notifyDataSetChanged();
btnAlbumSelected.setText(folderList.get(position).name);
}
}
});
}
private void showCameraAction() {
if (config.maxNum <= Constant.imageList.size()) {
Toast.makeText(getActivity(), "最多选择" + config.maxNum + "张图片", Toast.LENGTH_SHORT).show();
return;
}
Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (cameraIntent.resolveActivity(getActivity().getPackageManager()) != null) {
tempFile = new File(FileUtil.createRootPath(getActivity()) + "/" + System.currentTimeMillis() + ".jpg");
FileUtil.createFile(tempFile);
if (Build.VERSION.SDK_INT >= 24) {
Uri contentUri = FileProvider.getUriForFile(getActivity(), "com.llf.common.provider666", tempFile);
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, contentUri);
} else {
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(tempFile));
}
startActivityForResult(cameraIntent, REQUEST_CAMERA);
} else {
Toast.makeText(getActivity(), "打开相机失败", Toast.LENGTH_SHORT).show();
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CAMERA) {
if (resultCode == Activity.RESULT_OK) {
if (tempFile != null) {
if (callback != null) {
callback.onCameraShot(tempFile);
}
}
} else {
if (tempFile != null && tempFile.exists()) {
tempFile.delete();
}
}
}
super.onActivityResult(requestCode, resultCode, data);
}
@Override
public void onItemClick(int position) {
if (config.needCamera && position == 0) {
showCameraAction();
} else {
if (config.multiSelect) {
if (Constant.imageList.contains(imageList.get(position).path)) {
Constant.imageList.remove(imageList.get(position).path);
if (callback != null) {
callback.onImageUnselected(imageList.get(position).path);
}
} else {
if (config.maxNum <= Constant.imageList.size()) {
Toast.makeText(getActivity(), "最多选择" + config.maxNum + "张图片", Toast.LENGTH_SHORT).show();
return;
}
Constant.imageList.add(imageList.get(position).path);
if (callback != null) {
callback.onImageSelected(imageList.get(position).path);
}
}
mImageListAdapter.select(imageList.get(position));
} else {
if (callback != null) {
callback.onSingleImageSelected(imageList.get(position).path);
}
}
}
}
@Override
public void onItemLongClick(int position) {
}
}