package com.andbase.demo.adapter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import android.content.Context;
import android.os.Environment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.ab.task.AbTask;
import com.ab.task.AbTaskItem;
import com.ab.task.AbTaskListener;
import com.ab.util.AbFileUtil;
import com.ab.util.AbStrUtil;
import com.ab.util.AbToastUtil;
import com.andbase.R;
import com.andbase.global.Constant;
import com.andbase.util.download.AbDownloadProgressListener;
import com.andbase.util.download.AbDownloadThread;
import com.andbase.util.download.AbFileDownloader;
import com.andbase.util.download.DownFile;
public class MyExpandableListAdapter extends BaseExpandableListAdapter {
private static final String TAG = "MyExpandableListAdapter";
private static final boolean D = Constant.DEBUG;
private Context mContext;
private ArrayList<ArrayList<DownFile>> mDownFileGroupList = null;
private String[] mDownFileGroupTitle = null;
public HashMap<String,AbFileDownloader> mFileDownloaders = null;
public MyExpandableListAdapter(Context context,ArrayList<ArrayList<DownFile>> downFileGroupList,String[] downFileGroupTitle){
this.mContext = context;
mDownFileGroupList = downFileGroupList;
mDownFileGroupTitle = downFileGroupTitle;
mFileDownloaders = new HashMap<String,AbFileDownloader>();
}
/**
* 获取指定组位置、指定子列表项处的子列表项数据
*/
@Override
public Object getChild(int groupPosition, int childPosition) {
return mDownFileGroupList.get(groupPosition).get(childPosition);
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public int getChildrenCount(int groupPosition) {
return mDownFileGroupList.get(groupPosition).size();
}
/**
* 该方法决定每个子选项的外观
*/
@Override
public View getChildView(int groupPosition, int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
if(convertView == null){
convertView = LayoutInflater.from(mContext).inflate(R.layout.down_items, parent, false);
}
final ViewHolder holder = new ViewHolder();
holder.itemsIcon = (ImageView) convertView.findViewById(R.id.itemsIcon);
holder.itemsTitle = (TextView) convertView.findViewById(R.id.itemsTitle);
holder.itemsDesc = (TextView) convertView.findViewById(R.id.itemsDesc);
holder.operateBtn = (Button) convertView.findViewById(R.id.operateBtn);
holder.progress = (ProgressBar) convertView.findViewById(R.id.received_progress) ;
holder.received_progress_percent = (TextView) convertView.findViewById(R.id.received_progress_percent);
holder.received_progress_number = (TextView) convertView.findViewById(R.id.received_progress_number);
holder.received_progressBar = (RelativeLayout) convertView.findViewById(R.id.received_progressBar) ;
holder.itemsIcon.setFocusable(false);
holder.operateBtn.setFocusable(false);
holder.progress.setFocusable(false);
final DownFile mDownFile = (DownFile)getChild(groupPosition,childPosition);
if (mDownFile != null) {
//holder.itemsIcon.setImageResource(mDownFile.getIcon());
holder.itemsTitle.setText(mDownFile.getName());
holder.itemsDesc.setText(mDownFile.getDescription());
if(mDownFile.getState() == Constant.undownLoad){
holder.operateBtn.setBackgroundResource(R.drawable.down_load);
holder.received_progressBar.setVisibility(View.GONE);
holder.itemsDesc.setVisibility(View.VISIBLE);
holder.progress.setProgress(0);
holder.received_progress_percent.setText(0+"%");
holder.received_progress_number.setText("0KB/"+AbStrUtil.getSizeDesc(mDownFile.getTotalLength()));
}else if(mDownFile.getState() == Constant.downInProgress){
holder.operateBtn.setBackgroundResource(R.drawable.down_pause);
if(mDownFile.getDownLength()!=0 && mDownFile.getTotalLength()!=0){
int c = (int)(mDownFile.getDownLength()*100/mDownFile.getTotalLength());
holder.itemsDesc.setVisibility(View.GONE);
holder.received_progressBar.setVisibility(View.VISIBLE);
holder.progress.setProgress(c);
holder.received_progress_percent.setText(c+"%");
holder.received_progress_number.setText(AbStrUtil.getSizeDesc(mDownFile.getDownLength())+"/"+AbStrUtil.getSizeDesc(mDownFile.getTotalLength()));
}
}else if(mDownFile.getState() == Constant.downLoadPause){
holder.operateBtn.setBackgroundResource(R.drawable.down_load);
//下载了多少
if(mDownFile.getDownLength()!=0 && mDownFile.getTotalLength()!=0){
int c = (int)(mDownFile.getDownLength()*100/mDownFile.getTotalLength());
holder.itemsDesc.setVisibility(View.GONE);
holder.received_progressBar.setVisibility(View.VISIBLE);
holder.progress.setProgress(c);
holder.received_progress_percent.setText(c+"%");
holder.received_progress_number.setText(AbStrUtil.getSizeDesc(mDownFile.getDownLength())+"/"+AbStrUtil.getSizeDesc(mDownFile.getTotalLength()));
}else{
holder.itemsDesc.setVisibility(View.VISIBLE);
holder.received_progressBar.setVisibility(View.GONE);
holder.progress.setProgress(0);
holder.received_progress_percent.setText(0+"%");
holder.received_progress_number.setText("0KB/"+AbStrUtil.getSizeDesc(mDownFile.getTotalLength()));
}
}else if(mDownFile.getState() == Constant.downloadComplete){
holder.operateBtn.setBackgroundResource(R.drawable.down_delete);
holder.received_progressBar.setVisibility(View.GONE);
holder.itemsDesc.setVisibility(View.VISIBLE);
}
final AbDownloadProgressListener mDownloadProgressListener = new AbDownloadProgressListener() {
//实时获知文件已经下载的数据长度
@Override
public void onDownloadSize(final long size) {
if(mDownFile.getTotalLength()==0){
return;
}
final int c = (int)(size*100/mDownFile.getTotalLength());
if(c!=holder.progress.getProgress()){
holder.progress.post(new Runnable(){
@Override
public void run() {
holder.progress.setProgress(c);
holder.received_progress_percent.setText(c+"%");
holder.received_progress_number.setText(AbStrUtil.getSizeDesc(size)+"/"+AbStrUtil.getSizeDesc(mDownFile.getTotalLength()));
}
});
}
if(mDownFile.getTotalLength() == size){
if(D)Log.d(TAG, "下载完成:"+size);
mDownFile.setState(Constant.downloadComplete);
//下载完成
mDownFileGroupList.get(1).remove(mDownFile);
mDownFileGroupList.get(0).add(mDownFile);
holder.progress.post(new Runnable(){
@Override
public void run() {
notifyDataSetChanged();
}
});
}
}
};
//处理按钮事件
holder.operateBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
//无sd卡
AbToastUtil.showToast(mContext,"没找到存储卡");
return;
}
if(mDownFile.getState() == Constant.undownLoad || mDownFile.getState() == Constant.downLoadPause){
//下载
holder.itemsDesc.setVisibility(View.GONE);
holder.received_progressBar.setVisibility(View.VISIBLE);
holder.operateBtn.setBackgroundResource(R.drawable.down_pause);
mDownFile.setState(Constant.downInProgress);
AbTask mAbTask = new AbTask();
final AbTaskItem item = new AbTaskItem();
item.setListener(new AbTaskListener() {
@Override
public void update() {
}
@Override
public void get() {
try {
//检查文件总长度
int totalLength = AbFileUtil.getContentLengthFromUrl(mDownFile.getDownUrl());
mDownFile.setTotalLength(totalLength);
//开始下载文件
AbFileDownloader loader = new AbFileDownloader(mContext,mDownFile,1);
mFileDownloaders.put(mDownFile.getDownUrl(), loader);
loader.download(mDownloadProgressListener);
} catch (Exception e) {
e.printStackTrace();
}
};
});
mAbTask.execute(item);
}else if(mDownFile.getState()==Constant.downInProgress){
//暂停
holder.operateBtn.setBackgroundResource(R.drawable.down_load);
mDownFile.setState(Constant.undownLoad);
AbFileDownloader mFileDownloader = mFileDownloaders.get(mDownFile.getDownUrl());
//释放原来的线程
if(mFileDownloader!=null){
mFileDownloader.setFlag(false);
AbDownloadThread mDownloadThread = mFileDownloader.getThreads();
if(mDownloadThread!=null){
mDownloadThread.setFlag(false);
mFileDownloaders.remove(mDownFile.getDownUrl());
mDownloadThread = null;
}
mFileDownloader = null;
}
}else if(mDownFile.getState()==Constant.downloadComplete){
//删除
mDownFileGroupList.get(0).remove(mDownFile);
mDownFile.setState(Constant.undownLoad);
mDownFileGroupList.get(1).add(mDownFile);
notifyDataSetChanged();
}
}
});
}
return convertView;
}
/**
* 获取指定组位置处的组数据
*/
@Override
public Object getGroup(int groupPosition) {
return mDownFileGroupList.get(groupPosition);
}
@Override
public int getGroupCount() {
return mDownFileGroupList.size();
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
/**
* 该方法决定每个组选项的外观
*/
@Override
public View getGroupView(int groupPosition, boolean isExpanded,
View convertView, ViewGroup parent) {
if(convertView == null){
convertView = LayoutInflater.from(mContext).inflate(R.layout.down_title, parent, false);
}
TextView mTextView = (TextView)convertView.findViewById(R.id.title_text);
mTextView.setText(mDownFileGroupTitle[groupPosition]);
return convertView;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
@Override
public boolean hasStableIds() {
return true;
}
/**
* 描述：释放线程
*/
public void releaseThread() {
Iterator it = mFileDownloaders.entrySet().iterator();
AbFileDownloader mFileDownloader = null;
while (it.hasNext()) {
Map.Entry e = (Map.Entry) it.next();
mFileDownloader = (AbFileDownloader)e.getValue();
//System.out.println("Key: " + e.getKey() + "; Value: " + e.getValue());
if(mFileDownloader!=null){
mFileDownloader.setFlag(false);
AbDownloadThread mDownloadThread = mFileDownloader.getThreads();
if(mDownloadThread!=null){
mDownloadThread.setFlag(false);
mDownloadThread = null;
}
mFileDownloader = null;
}
}
}
public class ViewHolder {
public ImageView itemsIcon;
public TextView itemsTitle;
public TextView itemsDesc;
public Button operateBtn;
public ProgressBar progress;
public TextView received_progress_percent;
public TextView received_progress_number;
public RelativeLayout received_progressBar;
}
}