/**
* 920 Text Editor is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 920 Text Editor is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 920 Text Editor. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jecelyin.util;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.view.*;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnClickListener;
import android.widget.*;
import com.jecelyin.editor.EditorSettings;
import com.jecelyin.editor.EncodingList;
import com.jecelyin.editor.JecApp;
import com.jecelyin.editor.JecEditor;
import com.jecelyin.editor.R;
import com.jecelyin.widget.JecButton;
import com.stericson.RootTools.RootTools;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
//import java.text.SimpleDateFormat;
/**
* 文件选择器
*
* @author jecelyin
*
*/
public class FileBrowser extends ListActivity
{
private ArrayList<File> files; //当前文件列表
private FileListAdapter fileListAdapter;
private LinearLayout pathButtons;
private String default_filename = "";
private int request_mode = 0; //0打开， 1保存模式，2选择路径
private String current_path = ""; //当前路径
private boolean isRoot = false;
private EditText editTextFilename;
private Intent mIntent;
private Button saveButton;
private Spinner linebreakSpinner;
private Spinner encoding_list;
private static int OPEN_WITH_CODE = 0;
private int lastPos;
public static final int MODE_BROWSE = 2;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
JecApp.addActivity(this);
setContentView(R.layout.file_bowsers);
getListView().setFastScrollEnabled(true);
registerForContextMenu(getListView());
pathButtons = (LinearLayout)findViewById(R.id.pathButtons);
editTextFilename = (EditText)findViewById(R.id.editTextFilename);
saveButton = (Button)findViewById(R.id.btnSave);
saveButton.setOnClickListener(onSaveBtnClickListener);
linebreakSpinner = (Spinner)findViewById(R.id.linebreak_list);
LinearLayout linebreakLinearLayout = (LinearLayout)findViewById(R.id.linebreakLinearLayout);
LinearLayout encodingLinearLayout = (LinearLayout)findViewById(R.id.encodingLinearLayout);
encoding_list = (Spinner)findViewById(R.id.encoding_list);
String[] lists = EncodingList.list;
lists[0] = getString(R.string.auto_detection);
encoding_list.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, lists));
int position = 0;
if(!"".equals(EditorSettings.DEFAULT_ENCODING))
for(int i=0; i<lists.length; i++)
if(EditorSettings.DEFAULT_ENCODING.equals(lists[i]))
{
position = i;
break;
}
encoding_list.setSelection(position);
JecLog.d("pos="+position);
File file = android.os.Environment.getExternalStorageDirectory();
current_path = EditorSettings.HIGHLIGHT_LAST_PATH.length()==0 ? file.getPath() : EditorSettings.HIGHLIGHT_LAST_PATH;
//获取传来的数据
mIntent = getIntent();
default_filename = mIntent.getStringExtra("filename");
request_mode = mIntent.getIntExtra("mode", 0);
isRoot = mIntent.getBooleanExtra("isRoot", false);
editTextFilename.setText(default_filename);
LinearLayout filenameLinearLayout = (LinearLayout)findViewById(R.id.filenameLinearLayout);
if(request_mode == JecEditor.FILE_BROWSER_OPEN_CODE)
{
filenameLinearLayout.setVisibility(View.GONE);
linebreakLinearLayout.setVisibility(View.VISIBLE);
encodingLinearLayout.setVisibility(View.VISIBLE);
} else if(request_mode == MODE_BROWSE) {
LinearLayout okLinearLayout = (LinearLayout)findViewById(R.id.okLinearLayout);
okLinearLayout.setVisibility(View.VISIBLE);
filenameLinearLayout.setVisibility(View.GONE);
linebreakLinearLayout.setVisibility(View.GONE);
encodingLinearLayout.setVisibility(View.GONE);
Button btnOK = (Button)findViewById(R.id.btnOK);
btnOK.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v)
{
mIntent.putExtra("path", current_path);
setResult(RESULT_OK, mIntent);
finish();
}
});
}
//requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
showFileList(new File(current_path));
}
protected void onDestroy()
{
super.onDestroy();
JecApp.removeActivity(this);
}
private OnClickListener onSaveBtnClickListener = new OnClickListener() {
@Override
public void onClick(View v)
{
String filename = editTextFilename.getText().toString().trim();
if("".equals(filename))
{
Toast.makeText(getApplicationContext(), R.string.filename_is_empty, Toast.LENGTH_LONG).show();
}else{
mIntent.putExtra("file", current_path+File.separator+filename);
mIntent.putExtra("linebreak", linebreakSpinner.getSelectedItemPosition());
mIntent.putExtra("encoding", encoding_list.getSelectedItemPosition());
setResult(RESULT_OK, mIntent);
finish();
}
}
};
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo)
{
super.onCreateContextMenu(menu, v, menuInfo);
//打开方式...
menu.add(0, R.string.open_with, 0, R.string.open_with);
//重命名
menu.add(0, R.string.rename, 0, R.string.rename);
//删除
menu.add(0, R.string.delete, 0, R.string.delete);
//创建目录
menu.add(0, R.string.new_folder, 0, R.string.new_folder);
}
public boolean onContextItemSelected(MenuItem item)
{
AdapterView.AdapterContextMenuInfo info;
try {
info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
} catch (ClassCastException e) {
return false;
}
int position = info.position;
final File f;
try {
f = files.get(position);
if(f == null)
return false;
} catch (Exception e) {
return false;
}
lastPos = position;
int itemId = item.getItemId();
switch(itemId)
{
case R.string.open_with:
Uri uri = Uri.fromFile(f);
try
{
if(f.isDirectory())
{
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setDataAndType(uri, "file/*");
//startActivityForResult(intent, OPEN_WITH_CODE);
startActivity(intent);
} else {
Intent it = new Intent(Intent.ACTION_VIEW);
it.setDataAndType(uri, "*/*");
startActivity(it);
}
}catch (Exception e)
{
}
return false;
case R.string.rename:
final EditText lineEditText = new EditText(this);
lineEditText.setText(f.getName());
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.rename).setView(lineEditText)
.setNegativeButton(android.R.string.cancel, null);
builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
try {
dialog.dismiss();
String newname = lineEditText.getText().toString().trim();
String newfile = f.getParent() + File.separator + newname;
if("".equals(newname) || !f.renameTo(new File(newfile)))
{
Toast.makeText(FileBrowser.this, R.string.rename_failed, Toast.LENGTH_LONG).show();
} else {
refresh();
}
}catch(Exception e) {
}
}
});
builder.show();
return true;
case R.string.delete:
new AlertDialog.Builder(this).setTitle(R.string.delete).setMessage(R.string.confirm_delete)
.setNegativeButton(android.R.string.cancel, null)
.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which)
{
FileUtil.remove(f);
refresh();
}
})
.show();
return true;
case R.string.new_folder:
final EditText filenameEditText = new EditText(this);
filenameEditText.setText(f.getName());
AlertDialog.Builder fbuilder = new AlertDialog.Builder(this);
fbuilder.setTitle(R.string.new_folder).setView(filenameEditText)
.setNegativeButton(android.R.string.cancel, null);
fbuilder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
try {
dialog.dismiss();
String newname = filenameEditText.getText().toString().trim();
String newfile = (f.isFile() ? f.getParent() : f.getPath()) + File.separator + newname;
if("".equals(newname) || !(new File(newfile)).mkdirs())
{
Toast.makeText(FileBrowser.this, R.string.create_folder_fail, Toast.LENGTH_LONG).show();
} else {
refresh();
}
}catch(Exception e) {
}
}
});
fbuilder.show();
return true;
}
return super.onContextItemSelected(item);
}
@Override
public void startActivityForResult (Intent intent, int requestCode)
{
if(requestCode == OPEN_WITH_CODE)
{
refresh();
return;
}
super.startActivityForResult(intent, requestCode);
}
public void refresh()
{
showFileList(new File(current_path));
}
@Override
public void finish()
{
//记住最后打开的路径
EditorSettings.setString("last_path", current_path);
super.finish();
}
/**
* 显示文件列表
*
* @param path
*/
private void showFileList(File path)
{
String curPath;
try
{
curPath = path.getCanonicalPath();
}catch (IOException e)
{
curPath = path.getPath().replaceAll("/./", "/");
}
//设置标题
setTitle(curPath);
current_path = curPath;
//处理顶部路径按钮
String[] paths=curPath.split(File.separator);
JecButton mButton;
StringBuilder mStringBuilder = new StringBuilder();
pathButtons.removeAllViews();
//始终显示根按钮
if(paths.length < 1)
paths = new String[]{File.separator};
for(String p: paths)
{
mButton = new JecButton(this);
if(p == null || "".equals(p))
{
p = File.separator;
}
mButton.setText(p);
mStringBuilder.append(File.separator).append(p);
mButton.putString("path", mStringBuilder.toString());
mButton.setOnClickListener(new PathOnClickListener());
pathButtons.addView(mButton);
}
//不能读取的才开启ROOT权限访问
files = FileUtil.getFileList(curPath, isRoot && !path.canRead() && RootTools.isAccessGiven()); //path.listFiles();
if(files == null)
{
Toast.makeText(FileBrowser.this, R.string.can_not_list_file, Toast.LENGTH_LONG).show();
return;
}
try {
fileListAdapter = new FileListAdapter(this, R.layout.file_list, files);
setListAdapter(fileListAdapter);
if(lastPos > 0)
{
if(files.size() > lastPos)
{
setSelection(lastPos);
}else if(--lastPos < files.size()){
setSelection(lastPos);
}
}
} catch(OutOfMemoryError ome) {
Toast.makeText(FileBrowser.this, R.string.out_of_memory, Toast.LENGTH_LONG).show();
return;
}
}
/* private Comparator<FileLists> comparator = new Comparator<FileLists>() {
public int compare(FileLists fl1, FileLists fl2)
{
return fl1.file.getName().compareToIgnoreCase(fl2.file.getName());
}
};*/
protected void onListItemClick(ListView listView, View view, int position, long id)
{
File file = fileListAdapter.getItem(position);
if(file.isDirectory())
{
showFileList(file);
}else if(request_mode == MODE_BROWSE) {//same btnOK button
mIntent.putExtra("path", file.getPath());
setResult(RESULT_OK, mIntent);
finish();
}else {
mIntent.putExtra("file", file.getPath());
mIntent.putExtra("linebreak", linebreakSpinner.getSelectedItemPosition());
mIntent.putExtra("encoding", encoding_list.getSelectedItemPosition());
setResult(RESULT_OK, mIntent);
finish();
}
}
private class PathOnClickListener implements View.OnClickListener
{
public void onClick(View paramView)
{
JecButton mButton = (JecButton)paramView;
FileBrowser.this.showFileList(new File(mButton.getString("path")));
}
}
}
class FileListAdapter extends ArrayAdapter<File>
{
private LayoutInflater mInflater;
private Bitmap mIcon_folder;
private Bitmap mIcon_file;
private Bitmap mIcon_image;
private Bitmap mIcon_audio;
private Bitmap mIcon_video;
private Bitmap mIcon_apk;
private ViewHolder holder;
//各种类型图标
private String[] type_audio = { ".m4a", ".mp3", ".wma", ".mid", ".xmf", ".ogg", ".wav" };
private String[] type_video = { ".3gp", ".mp4", ".avi", ".rm", ".rmvb" };
private String[] type_image = { ".jpg", ".gif", ".png", ".bmp", ".jpeg" };
private String[] type_app = { ".apk" };
public FileListAdapter(Context context, int Resource,List<File> objects) {
super(context,Resource,objects);
mInflater = LayoutInflater.from(context);
Resources res = context.getResources();
mIcon_folder = BitmapFactory.decodeResource(res, R.drawable.folder); // 文件夹的图文件
mIcon_file = BitmapFactory.decodeResource(res, R.drawable.file); // 文件的图文件
mIcon_image = BitmapFactory.decodeResource(res, R.drawable.image); // 图片的图文件
mIcon_audio = BitmapFactory.decodeResource(res, R.drawable.audio); // 音频的图文件
mIcon_video = BitmapFactory.decodeResource(res, R.drawable.video); // 视频的图文件
mIcon_apk = BitmapFactory.decodeResource(res, R.drawable.apk); // apk文件
}
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
//Log.d("FileBrowser", (convertView==null ? "convertView==null" : "convertView!=null"));
File file = getItem(position);
String title = file.getName();
if(convertView == null)
{
/* 使用自定义的list_items作为Layout */
convertView = mInflater.inflate(R.layout.file_list, null);
/* 初始化holder的text与icon */
holder = new ViewHolder();
holder.f_title = (TextView) convertView.findViewById(R.id.f_title);
holder.f_text = (TextView) convertView.findViewById(R.id.f_text);
holder.f_icon = (ImageView) convertView.findViewById(R.id.f_icon);
convertView.setTag(holder);
}else {
holder = (ViewHolder) convertView.getTag();
}
String f_type = getMimeType(file.getName());
holder.f_title.setText(title);
if (file.isDirectory())
{
holder.f_icon.setImageBitmap(mIcon_folder);
} else
{
if ("image".equals(f_type))
{
holder.f_icon.setImageBitmap(mIcon_image);
} else if ("audio".equals(f_type))
{
holder.f_icon.setImageBitmap(mIcon_audio);
} else if ("video".equals(f_type))
{
holder.f_icon.setImageBitmap(mIcon_video);
} else if ("apk".equals(f_type))
{
holder.f_icon.setImageBitmap(mIcon_apk);
} else
{
holder.f_icon.setImageBitmap(mIcon_file);
}
}
//底部内容 最后修改时间及大小
StringBuilder textStringBuilder = new StringBuilder();
//textStringBuilder.append((new SimpleDateFormat("yyyy-MM-dd hh:mm:ss")).format(new Date(file.lastModified())))
//.append(" ");
if(!"..".equals(title))
textStringBuilder.append(TimeUtil.getDate(file.lastModified())).append(" ");
//textStringBuilder.append(new Date(file.lastModified()).toLocaleString()).append(" ");
if(file.length() > 0)
textStringBuilder.append(FileUtil.byteCountToDisplaySize(file.length()));
holder.f_text.setText(textStringBuilder.toString());
return convertView;
}
private class ViewHolder
{
public TextView f_title;
public TextView f_text;
public ImageView f_icon;
}
/**
* @param file
* 文件名
*/
private String getMimeType(String file)
{
for(String ext:type_audio)
{
if(file.endsWith(ext))
return "audio";
}
for(String ext:type_video)
{
if(file.endsWith(ext))
return "video";
}
for(String ext:type_image)
{
if(file.endsWith(ext))
return "image";
}
for(String ext:type_app)
{
if(file.endsWith(ext))
return "app";
}
return "";
}
}