Rework FIle selection dialog.

Include possibility to include file content in VPN Profile. Allows safer storage of Certifcates and keys. (closes issue #13)

1 files changed, 244 insertions, 0 deletions

diff --git a/src/de/blinkt/openvpn/FileSelectionFragment.java b/src/de/blinkt/openvpn/FileSelectionFragment.java
new file mode 100644
index 00000000..31390280
--- /dev/null
+++ b/src/de/blinkt/openvpn/FileSelectionFragment.java
@@ -0,0 +1,244 @@
+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 importFile;
+
+	
+	@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());
+					
+				}
+			}
+		});
+
+		importFile = (Button) v.findViewById(R.id.importfile);
+		importFile.setEnabled(false);
+		importFile.setOnClickListener(new OnClickListener() {
+
+			@Override
+			public void onClick(View v) {
+				((FileSelect) getActivity()).importFile(selectedFile.getPath());
+			}
+		});
+
+
+
+		
+		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);
+			importFile.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);
+			importFile.setEnabled(true);
+		}
+	}
+
+}