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package de.blinkt.openvpn;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.TreeMap;
import android.app.AlertDialog;
import android.app.ListFragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
/**
* Activity para escolha de arquivos/diretorios.
*
* @author android
*
*/
public class FileSelectionFragment extends ListFragment {
private static final String ITEM_KEY = "key";
private static final String ITEM_IMAGE = "image";
private static final String ROOT = "/";
private List<String> path = null;
private TextView myPath;
private ArrayList<HashMap<String, Object>> mList;
private Button selectButton;
private String parentPath;
private String currentPath = ROOT;
private String[] formatFilter = null;
private File selectedFile;
private HashMap<String, Integer> lastPositions = new HashMap<String, Integer>();
private String mStartPath;
private Button mImportFile;
private Button mClearButton;
private boolean mHideImport=false;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.file_dialog_main, container,false);
myPath = (TextView) v.findViewById(R.id.path);
selectButton = (Button) v.findViewById(R.id.fdButtonSelect);
selectButton.setEnabled(false);
selectButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (selectedFile != null) {
((FileSelect) getActivity()).setFile(selectedFile.getPath());
}
}
});
mClearButton = (Button) v.findViewById(R.id.fdClear);
mClearButton.setEnabled(false);
mClearButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
}
});
mClearButton.setVisibility(View.GONE);
mImportFile = (Button) v.findViewById(R.id.importfile);
mImportFile.setEnabled(false);
mImportFile.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
((FileSelect) getActivity()).importFile(selectedFile.getPath());
}
});
if(mHideImport== true) {
mImportFile.setVisibility(View.GONE);
}
return v;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mStartPath = ((FileSelect) getActivity()).getSelectPath();
getDir(mStartPath);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
private void getDir(String dirPath) {
boolean useAutoSelection = dirPath.length() < currentPath.length();
Integer position = lastPositions.get(parentPath);
getDirImpl(dirPath);
if (position != null && useAutoSelection) {
getListView().setSelection(position);
}
}
/**
* Monta a estrutura de arquivos e diretorios filhos do diretorio fornecido.
*
* @param dirPath
* Diretorio pai.
*/
private void getDirImpl(final String dirPath) {
currentPath = dirPath;
final List<String> item = new ArrayList<String>();
path = new ArrayList<String>();
mList = new ArrayList<HashMap<String, Object>>();
File f = new File(currentPath);
File[] files = f.listFiles();
if (files == null) {
currentPath = ROOT;
f = new File(currentPath);
files = f.listFiles();
}
myPath.setText(getText(R.string.location) + ": " + currentPath);
if (!currentPath.equals(ROOT)) {
item.add(ROOT);
addItem(ROOT, R.drawable.folder);
path.add(ROOT);
item.add("../");
addItem("../", R.drawable.folder);
path.add(f.getParent());
parentPath = f.getParent();
}
TreeMap<String, String> dirsMap = new TreeMap<String, String>();
TreeMap<String, String> dirsPathMap = new TreeMap<String, String>();
TreeMap<String, String> filesMap = new TreeMap<String, String>();
TreeMap<String, String> filesPathMap = new TreeMap<String, String>();
for (File file : files) {
if (file.isDirectory()) {
String dirName = file.getName();
dirsMap.put(dirName, dirName);
dirsPathMap.put(dirName, file.getPath());
} else {
final String fileName = file.getName();
final String fileNameLwr = fileName.toLowerCase();
// se ha um filtro de formatos, utiliza-o
if (formatFilter != null) {
boolean contains = false;
for (int i = 0; i < formatFilter.length; i++) {
final String formatLwr = formatFilter[i].toLowerCase();
if (fileNameLwr.endsWith(formatLwr)) {
contains = true;
break;
}
}
if (contains) {
filesMap.put(fileName, fileName);
filesPathMap.put(fileName, file.getPath());
}
// senao, adiciona todos os arquivos
} else {
filesMap.put(fileName, fileName);
filesPathMap.put(fileName, file.getPath());
}
}
}
item.addAll(dirsMap.tailMap("").values());
item.addAll(filesMap.tailMap("").values());
path.addAll(dirsPathMap.tailMap("").values());
path.addAll(filesPathMap.tailMap("").values());
SimpleAdapter fileList = new SimpleAdapter(getActivity(), mList, R.layout.file_dialog_row, new String[] {
ITEM_KEY, ITEM_IMAGE }, new int[] { R.id.fdrowtext, R.id.fdrowimage });
for (String dir : dirsMap.tailMap("").values()) {
addItem(dir, R.drawable.folder);
}
for (String file : filesMap.tailMap("").values()) {
addItem(file, R.drawable.file);
}
fileList.notifyDataSetChanged();
setListAdapter(fileList);
}
private void addItem(String fileName, int imageId) {
HashMap<String, Object> item = new HashMap<String, Object>();
item.put(ITEM_KEY, fileName);
item.put(ITEM_IMAGE, imageId);
mList.add(item);
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
File file = new File(path.get(position));
if (file.isDirectory()) {
selectButton.setEnabled(false);
mImportFile.setEnabled(false);
if (file.canRead()) {
lastPositions.put(currentPath, position);
getDir(path.get(position));
} else {
new AlertDialog.Builder(getActivity()).setIcon(R.drawable.icon)
.setTitle("[" + file.getName() + "] " + getText(R.string.cant_read_folder))
.setPositiveButton("OK", null).show();
}
} else {
selectedFile = file;
v.setSelected(true);
selectButton.setEnabled(true);
mImportFile.setEnabled(true);
}
}
public void setNoInLine() {
mHideImport=true;
}
}
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