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public class FileDialog {
private final String[][] LOCALES_STRING = {
{ "Select a file", "Select a directory", "Make a directory",
"New file", "Create", "Cancel", "Enter a name", "Select",
"Impossible to create directory" },
{ "Sélectionnez un fichier", "Sélectionnez un répertoire",
"Créer un répertoire", "Nouveau fichier", "Créer",
"Annuler", "Entrez un nom", "Sélectionner",
"Impossible de créer le répertoire" } };
private final int STRING_SELECT_FILE = 0;
private final int STRING_SELECT_DIR = 1;
private final int STRING_MAKE_DIR = 2;
private final int STRING_NEW_FILE = 3;
private final int STRING_CREATE = 4;
private final int STRING_CANCEL = 5;
private final int STRING_ENTER_NAME = 6;
private final int STRING_SELECT = 7;
private final int STRING_ERROR_MAKE_DIR = 8;
private final int LANG_EN = 0;
private final int LANG_FR = 1;
private final int VIEW_GLOBAL_LAYOUT_ID = 1;
private final int VIEW_LOCATION_TEXT_ID = 2;
private final int VIEW_FILELIST_LIST_ID = 3;
private final int VIEW_ACTION_LAYOUT_ID = 4;
private final int MODE_SELECT_FILE = 0;
private final int MODE_SELECT_DIR = 1;
public static int ACTION_SELECTED_FILE = 0;
public static int ACTION_SELECTED_DIRECTORY = 1;
public static int ACTION_CANCEL = 2;
private static String DEFAULT_PATH = null;
private static String DATA_PATH = null;
private static String PLAN_PATH = null;
private static String DIAGRAMS_PATH = null;
private File diagram_dir;
private final int LISTVIEW_ITEM_HEIGHT = 15;
private int language = LANG_EN;
private String currentPath = null;
private int mode = MODE_SELECT_FILE;
private String suggestedFileName;
private ArrayList<FileItem> currentFileList;
private FileListAdapter fileListAdapter;
private Context context;
private LinearLayout globalLinearLayout;
private Dialog dialog;
private ActionListener listener;
private String[] extensions;
/**
* Constructeur FileDialog
*
* @param context
* @param extension
*/
public FileDialog(Context context, String... extension) {
setDEFAULT_PATH(Environment.getExternalStorageDirectory() + "/"
+ context.getString(R.string.directory_name) + "/");
/** Chemin répertoire Plans **/
PLAN_PATH = Environment.getExternalStorageDirectory() + "/"
+ context.getString(R.string.directory_name) + "/"
+ context.getString(R.string.plans_directory) + "/";
/** Chemin répertoire Data **/
DATA_PATH = Environment.getExternalStorageDirectory() + "/"
+ context.getString(R.string.directory_name) + "/"
+ context.getString(R.string.data_directory_name) + "/";
/** Chemin repértoire Diagrams **/
DIAGRAMS_PATH = Environment.getExternalStorageDirectory() + "/"
+ context.getString(R.string.directory_name) + "/"
+ context.getString(R.string.diagrams_directory) + "/";
diagram_dir = new File(DIAGRAMS_PATH);
if (!diagram_dir.exists()) {
diagram_dir.mkdir();
}
if (IndoorActivity.current == 1) {
currentPath = PLAN_PATH;
} else {
if (IndoorActivity.current == 0) {
currentPath = DATA_PATH;
} else {
currentPath = DIAGRAMS_PATH;
}
}
this.context = context;
globalLinearLayout = null;
listener = null;
dialog = new Dialog(context);
setExtension(extension);
currentFileList = getFileList(currentPath);
initLanguage();
suggestedFileName = LOCALES_STRING[language][STRING_ENTER_NAME];
}
/**
* Fonction qui définit la langue
*/
private void initLanguage() {
if (context.getResources().getConfiguration().locale.getCountry()
.equals("FR"))
language = LANG_FR;
}
public void setExtension(String... extension) {
this.extensions = extension;
}
public String[] getExtension() {
return extensions;
}
public void setListener(ActionListener listener) {
this.listener = listener;
}
public void setPath(String path) {
currentPath = path;
}
public void setSuggestedFileName(String fileName) {
suggestedFileName = fileName;
}
// Open dialog box for select file
public void selectFile() {
mode = MODE_SELECT_FILE;
// Add make dir actions buttons
// final Button makeDirButton = getMakeDirButton();
// Add new file actions buttons
final Button newFileButton = new Button(context);
newFileButton.setText(LOCALES_STRING[language][STRING_NEW_FILE]);
newFileButton.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
createFileDialog();
}
});
showDialog(LOCALES_STRING[language][STRING_SELECT_FILE], null, null);
}
// Open dialog box for select file
public void selectFileStrict() {
mode = MODE_SELECT_FILE;
showDialog(LOCALES_STRING[language][STRING_SELECT_FILE], null, null);
}
// Open dialog for select directory
public void selectDirectory() {
mode = MODE_SELECT_DIR;
// Add make dir actions buttons
final Button makeDirButton = getMakeDirButton();
// Add select actions buttons
final Button selectButton = new Button(context);
selectButton.setText(LOCALES_STRING[language][STRING_SELECT]);
selectButton.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
if (listener != null)
listener.userAction(ACTION_SELECTED_DIRECTORY, currentPath);
dialog.dismiss();
}
});
showDialog(LOCALES_STRING[language][STRING_SELECT_DIR], makeDirButton,
selectButton);
}
// Return button for making a directory
private Button getMakeDirButton() {
Button makeDirButton = new Button(context);
makeDirButton.setText(LOCALES_STRING[language][STRING_MAKE_DIR]);
makeDirButton.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
createDirectoryDialog();
}
});
return makeDirButton;
}
private void showDialog(String title, Button leftButton, Button rightButton) {
// Global Linear Layout
if (globalLinearLayout == null)
globalLinearLayout = new LinearLayout(context);
else
globalLinearLayout.removeAllViewsInLayout();
@SuppressWarnings("deprecation")
final LinearLayout.LayoutParams globalLinearLayoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.FILL_PARENT);
globalLinearLayout.setOrientation(LinearLayout.VERTICAL);
globalLinearLayout.setLayoutParams(globalLinearLayoutParams);
globalLinearLayout.setId(VIEW_GLOBAL_LAYOUT_ID);
globalLinearLayout.setBackgroundColor(Color.WHITE);
// Text view for the location
final TextView locationTextView = new TextView(context);
locationTextView.setId(VIEW_LOCATION_TEXT_ID);
locationTextView.setText(currentPath);
globalLinearLayout.addView(locationTextView);
// List view for file list
final ListView fileListView = new ListView(context);
@SuppressWarnings("deprecation")
final LinearLayout.LayoutParams listViewLayoutParams = new LinearLayout.LayoutParams(
LayoutParams.FILL_PARENT, 0);
listViewLayoutParams.weight = 1.0f;
fileListView.setLayoutParams(listViewLayoutParams);
fileListView.setId(VIEW_FILELIST_LIST_ID);
fileListAdapter = new FileListAdapter(context, currentFileList);
fileListView.setAdapter(fileListAdapter);
fileListView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int pos,
long id) {
// When item of the list is clicked
if (currentFileList.get(pos).isDirectory)
changeDirectory(currentFileList.get(pos).name);
else if (listener != null && mode == MODE_SELECT_FILE) {
listener.userAction(ACTION_SELECTED_FILE, currentPath
+ currentFileList.get(pos).name);
dialog.dismiss();
}
}
});
globalLinearLayout.addView(fileListView);
if (rightButton != null && leftButton != null) {
// Create a linear layout for actions
LinearLayout actionLinearLayout = new LinearLayout(context);
@SuppressWarnings("deprecation")
LinearLayout.LayoutParams actionLinearLayoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
actionLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
actionLinearLayout.setLayoutParams(actionLinearLayoutParams);
actionLinearLayout.setId(VIEW_ACTION_LAYOUT_ID);
globalLinearLayout.addView(actionLinearLayout);
// Add buttons
@SuppressWarnings("deprecation")
final LinearLayout.LayoutParams buttonLayoutParams = new LinearLayout.LayoutParams(
0, LayoutParams.FILL_PARENT);
buttonLayoutParams.weight = 0.5f;
leftButton.setLayoutParams(buttonLayoutParams);
rightButton.setLayoutParams(buttonLayoutParams);
((LinearLayout) globalLinearLayout
.findViewById(VIEW_ACTION_LAYOUT_ID)).addView(leftButton);
((LinearLayout) globalLinearLayout
.findViewById(VIEW_ACTION_LAYOUT_ID)).addView(rightButton);
}
dialog.setContentView(globalLinearLayout);
// Cancel action
dialog.setCancelable(true);
dialog.setOnCancelListener(new OnCancelListener() {
public void onCancel(DialogInterface arg0) {
if (listener != null)
listener.userAction(ACTION_CANCEL, null);
}
});
dialog.setTitle(title);
dialog.show();
}
private void createDirectoryDialog() {
final AlertDialog.Builder dialog = new AlertDialog.Builder(context);
final EditText dirName = new EditText(context);
dirName.setText(LOCALES_STRING[language][STRING_ENTER_NAME]);
dirName.selectAll();
dialog.setView(dirName)
.setPositiveButton(LOCALES_STRING[language][STRING_CREATE],
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
createDirectory(dirName.getText().toString());
}
})
.setNegativeButton(LOCALES_STRING[language][STRING_CANCEL],
null)
.setTitle(LOCALES_STRING[language][STRING_MAKE_DIR]);
dialog.show();
}
private void createFileDialog() {
final AlertDialog.Builder dialog = new AlertDialog.Builder(context);
final EditText fileName = new EditText(context);
fileName.setText(suggestedFileName);
fileName.selectAll();
dialog.setView(fileName)
.setPositiveButton(LOCALES_STRING[language][STRING_CREATE],
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
createDirectory(fileName.getText().toString());
}
})
.setNegativeButton(LOCALES_STRING[language][STRING_CANCEL],
null)
.setTitle(LOCALES_STRING[language][STRING_NEW_FILE]);
dialog.show();
}
private void createDirectory(String dirName) {
File dir = new File(currentPath + dirName);
try {
if (!dir.mkdir())
toastMsg(LOCALES_STRING[language][STRING_ERROR_MAKE_DIR]);
else
changeDirectory(dirName);
} catch (Exception e) {
e.printStackTrace();
}
}
private void changeDirectory(String fileName) {
String nextPath = "";
if (fileName.equals(".."))
nextPath = getParentDirectory(currentPath);
else
nextPath = currentPath + fileName + '/';
((TextView) globalLinearLayout.findViewById(VIEW_LOCATION_TEXT_ID))
.setText(nextPath);
currentPath = nextPath;
currentFileList = getFileList(currentPath);
fileListAdapter.updateData(currentFileList);
}
private String getParentDirectory(String path) {
// Remove last '/'
String parentPath = path.substring(0, path.length() - 1);
int lastSlash = parentPath.lastIndexOf('/');
// If parent directory is root
if (lastSlash <= 0)
return "/";
else
return parentPath.substring(0, lastSlash + 1);
}
private ArrayList<FileItem> getFileList(String path) {
ArrayList<FileItem> fileList = new ArrayList<FileItem>();
// Add ".." for parent directory if not root
if (!path.equals("/")) {
FileItem ret = new FileItem();
ret.name = "..";
ret.isDirectory = true;
fileList.add(ret);
}
// List all files of path
File directory = new File(path);
for (File file : directory.listFiles()) {
FileItem item = new FileItem();
item.name = file.getName();
if (file.isDirectory())
item.isDirectory = true;
if (getExtension() != null) {
for (String extension : getExtension()) {
if (item.name.contains(extension))
fileList.add(item);
}
} else
fileList.add(item);
}
Collections.sort(fileList, new FileItemComparator());
return fileList;
}
public int dpiToPixels(int dpi) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpi * scale + 0.5f);
}
private void toastMsg(String msg) {
Toast.makeText(context, msg, Toast.LENGTH_LONG).show();
}
public static String getDEFAULT_PATH() {
return DEFAULT_PATH;
}
public static void setDEFAULT_PATH(String dEFAULT_PATH) {
DEFAULT_PATH = dEFAULT_PATH;
}
public static interface ActionListener {
void userAction(int action, String data);
}
private class FileItem {
public String name;
public boolean isDirectory = false;
}
private class FileItemComparator implements Comparator<FileItem> {
public int compare(FileItem item1, FileItem item2) {
FileItem file1 = (FileItem) item1;
FileItem file2 = (FileItem) item2;
int res = file1.name.compareToIgnoreCase(file2.name);
if (file1.isDirectory != file2.isDirectory) {
if (file1.isDirectory)
return -1;
else
return 1;
}
return res;
}
}
// Adapter for the files list view
private class FileListAdapter extends BaseAdapter {
ArrayList<FileItem> fileList;
Context context;
public FileListAdapter(Context context, ArrayList<FileItem> fileList) {
this.context = context;
this.fileList = fileList;
}
public int getCount() {
return fileList.size();
}
public Object getItem(int pos) {
return fileList.get(pos);
}
public long getItemId(int id) {
return id;
}
public View getView(int pos, View convertView, ViewGroup parent) {
TextView itemView = (TextView) convertView;
if (itemView == null)
itemView = new TextView(context);
// Set name of the item
itemView.setText(fileList.get(pos).name);
// If the item is a directory, set text style to bold
if (fileList.get(pos).isDirectory)
itemView.setTypeface(null, Typeface.BOLD);
else
itemView.setTypeface(null, Typeface.NORMAL);
// Change size
itemView.setTextSize(TypedValue.COMPLEX_UNIT_DIP,
LISTVIEW_ITEM_HEIGHT);
// Center vertically
itemView.setGravity(Gravity.CENTER_VERTICAL);
// initialize textview size
itemView.setPadding(0, 30, 0, 30);
return itemView;
}
public void updateData(ArrayList<FileItem> newFileList) {
fileList = newFileList;
notifyDataSetChanged();
}
}
} |
