package de.blinkt.openvpn; import java.io.File; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Locale; 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 path = null; private TextView myPath; private ArrayList> mList; private Button selectButton; private String parentPath; private String currentPath = ROOT; private String[] formatFilter = null; private File selectedFile; private HashMap lastPositions = new HashMap(); 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.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { ((FileSelect) getActivity()).clearData(); } }); if(!((FileSelect) getActivity()).showClear()) { mClearButton.setVisibility(View.GONE); mClearButton.setEnabled(false); } 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 item = new ArrayList(); path = new ArrayList(); mList = new ArrayList>(); 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 dirsMap = new TreeMap(); TreeMap dirsPathMap = new TreeMap(); TreeMap filesMap = new TreeMap(); TreeMap filesPathMap = new TreeMap(); 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(Locale.getDefault()); // 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(Locale.getDefault()); 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 item = new HashMap(); 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; } }