package com.wm.remusic.activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.util.SparseBooleanArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.facebook.drawee.view.SimpleDraweeView;
import com.wm.remusic.R;
import com.wm.remusic.info.Playlist;
import com.wm.remusic.provider.PlaylistInfo;
import com.wm.remusic.provider.PlaylistsManager;
import com.wm.remusic.uitl.IConstants;
import com.wm.remusic.widget.DividerItemDecoration;
import com.wm.remusic.widget.DragSortRecycler;
import java.util.ArrayList;
//import com.readystatesoftware.systembartint.SystemBarTintManager;
/**
* Created by wm on 2016/3/16.
*/
public class PlaylistManagerActivity extends AppCompatActivity implements View.OnClickListener {
SelectAdapter mAdapter;
PlaylistInfo playlistInfo;
ActionBar ab;
ArrayList<Playlist> playlists;
private RecyclerView recyclerView;
private LinearLayoutManager layoutManager;
private Toolbar toolbar;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_playlist_manager);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ab = getSupportActionBar();
ab.setHomeAsUpIndicator(R.drawable.actionbar_back);
ab.setDisplayHomeAsUpEnabled(true);
ab.setTitle("已选择0项");
toolbar.setNavigationOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onBackPressed();
}
});
playlistInfo = PlaylistInfo.getInstance(this);
LinearLayout delete = (LinearLayout) findViewById(R.id.select_del);
delete.setOnClickListener(this);
recyclerView = (RecyclerView) findViewById(R.id.recyclerview);
layoutManager = new LinearLayoutManager(this);
recyclerView.setLayoutManager(layoutManager);
recyclerView.setHasFixedSize(true);
new loadSongs().execute("");
}
@Override
public void onClick(View v) {
final ArrayList<Playlist> selectList = mAdapter.getSelectedItem();
switch (v.getId()) {
case R.id.select_del:
new AlertDialog.Builder(this).setTitle(getResources().getString(R.string.sure_to_delete_music)).
setPositiveButton(getResources().getString(R.string.sure), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
for (int i = 0; i < selectList.size(); i++) {
PlaylistInfo.getInstance(PlaylistManagerActivity.this).deletePlaylist(selectList.get(i).id);
PlaylistsManager.getInstance(PlaylistManagerActivity.this).delete(selectList.get(i).id);
}
new reload().execute();
ab.setTitle("已选择0项");
dialog.dismiss();
}
}).
setNegativeButton(getResources().getString(R.string.cancel), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).show();
break;
}
}
@Override
public void onPause() {
super.onPause();
}
@Override
public void onStop() {
super.onStop();
Intent intent = new Intent();
intent.setAction(IConstants.PLAYLIST_ITEM_MOVED);
sendBroadcast(intent);
finish();
}
private class reload extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... params) {
playlists = playlistInfo.getPlaylist();
return null;
}
@Override
protected void onPostExecute(Void v) {
mAdapter.updateDataSet(playlists);
mAdapter.notifyDataSetChanged();
}
}
//异步加载recyclerview界面
private class loadSongs extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... params) {
playlists = playlistInfo.getPlaylist();
mAdapter = new SelectAdapter(playlists);
return "Executed";
}
@Override
protected void onPostExecute(String result) {
recyclerView.setAdapter(mAdapter);
recyclerView.addItemDecoration(new DividerItemDecoration(PlaylistManagerActivity.this, DividerItemDecoration.VERTICAL_LIST));
recyclerView.setAdapter(mAdapter);
DragSortRecycler dragSortRecycler = new DragSortRecycler();
dragSortRecycler.setViewHandleId(R.id.select_move);
dragSortRecycler.setOnItemMovedListener(new DragSortRecycler.OnItemMovedListener() {
@Override
public void onItemMoved(int from, int to) {
Log.d("queue", "onItemMoved " + from + " to " + to);
final Playlist playlist = mAdapter.getMusicAt(from);
boolean f = mAdapter.isItemChecked(from);
boolean t = mAdapter.isItemChecked(to);
mAdapter.removeSongAt(from);
mAdapter.setItemChecked(from, t);
mAdapter.addPlaylistTo(to, playlist);
mAdapter.setItemChecked(to, f);
mAdapter.notifyDataSetChanged();
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
int length = mAdapter.mList.size();
long[] playlists = new long[length];
for (int i = 0; i < length; i++) {
playlists[i] = mAdapter.mList.get(i).id;
}
playlistInfo.deletePlaylist(playlists);
playlistInfo.addPlaylist(mAdapter.mList);
}
}, 300);
//MusicPlayer.moveQueueItem(from, to);
}
});
recyclerView.addItemDecoration(dragSortRecycler);
recyclerView.addOnItemTouchListener(dragSortRecycler);
recyclerView.addOnScrollListener(dragSortRecycler.getScrollListener());
//recyclerView.getLayoutManager().scrollToPosition(mAdapter.currentlyPlayingPosition);
}
@Override
protected void onPreExecute() {
}
}
public class SelectAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
ArrayList selected;
private ArrayList<Playlist> mList;
private SparseBooleanArray mSelectedPositions = new SparseBooleanArray();
private boolean mIsSelectable = false;
public SelectAdapter(ArrayList<Playlist> list) {
if (list == null) {
throw new IllegalArgumentException("model Data must not be null");
}
if (list.size() == 0) {
return;
}
list.remove(0);
mList = list;
}
public ArrayList<Playlist> getSelectedItem() {
ArrayList<Playlist> selectList = new ArrayList<>();
for (int i = 0; i < mList.size(); i++) {
if (isItemChecked(i)) {
selectList.add(mList.get(i));
}
}
return selectList;
}
//更新adpter的数据
public void updateDataSet(ArrayList<Playlist> list) {
list.remove(0);
this.mList = list;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View itemView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.playlist_manager_select_item, viewGroup, false);
return new ListItemViewHolder(itemView);
}
private void setItemChecked(int position, boolean isChecked) {
mSelectedPositions.put(position, isChecked);
}
private boolean isItemChecked(int position) {
return mSelectedPositions.get(position);
}
private boolean isSelectable() {
return mIsSelectable;
}
private void setSelectable(boolean selectable) {
mIsSelectable = selectable;
}
@Override
public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int i) {
Playlist playlist = mList.get(i);
//设置条目状态
((ListItemViewHolder) holder).albumArt.setImageURI(Uri.parse(playlist.albumArt));
((ListItemViewHolder) holder).mainTitle.setText(playlist.name);
((ListItemViewHolder) holder).title.setText(playlist.songCount + "");
((ListItemViewHolder) holder).checkBox.setChecked(isItemChecked(i));
((ListItemViewHolder) holder).checkBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (isItemChecked(i)) {
setItemChecked(i, false);
} else {
setItemChecked(i, true);
}
ab.setTitle("已选择" + getSelectedItem().size() + "项");
}
});
((ListItemViewHolder) holder).itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (isItemChecked(i)) {
setItemChecked(i, false);
} else {
setItemChecked(i, true);
}
notifyItemChanged(i);
ab.setTitle("已选择" + getSelectedItem().size() + "项");
}
});
}
public Playlist getMusicAt(int i) {
return mList.get(i);
}
public void addPlaylistTo(int i, Playlist playlist) {
mList.add(i, playlist);
}
public void removeSongAt(int i) {
mList.remove(i);
}
@Override
public int getItemCount() {
return mList == null ? 0 : mList.size();
}
public class ListItemViewHolder extends RecyclerView.ViewHolder {
//ViewHolder
CheckBox checkBox;
TextView mainTitle, title;
ImageView move;
SimpleDraweeView albumArt;
ListItemViewHolder(View view) {
super(view);
this.mainTitle = (TextView) view.findViewById(R.id.select_title_main);
this.title = (TextView) view.findViewById(R.id.select_title_small);
this.checkBox = (CheckBox) view.findViewById(R.id.select_checkbox);
this.albumArt = (SimpleDraweeView) view.findViewById(R.id.playlist_album);
this.move = (ImageView) view.findViewById(R.id.select_move);
}
}
}
}