private void onChangePassword(CharSequence old, CharSequence new1, CharSequence new2) {
if (!new1.toString().equals(new2.toString())) {
showMsg(R.string.pref_dialog_pwd_mismatch);
return;
}
if (mModel.changePassword(old, new1)) {
showMsg(R.string.pref_dialog_pwd_success);
mModel.save();
} else {
showMsg(R.string.pref_dialog_pwd_incorrect);
}
}
private void doDeleteData() {
if (mModel.delete()) {
showMsg(R.string.pref_dialog_del_success);
} else {
showMsg(R.string.pref_dialog_del_fail);
}
}
private void onExportData() {
List<Item> items = mModel.getItems();
File output = new File(EXTERNAL_DIR, FILENAME);
if (!output.getParentFile().canWrite()) {
showMsg(super.getString(R.string.pref_dialog_export_data_cannot_write) + output.getPath());
return;
}
try {
FileOutputStream fos = new FileOutputStream(output);
boolean success = mModel.saveHelper(fos, items);
if (success) {
showMsg(R.string.pref_dialog_done);
} else {
showMsg(R.string.pref_dialog_export_data_fail);
}
} catch (Exception e) {
showMsg("Exception occurred!");
e.printStackTrace();
}
}
private void updateVisibility() {
Preference exportPref = findPreference(KEY_EXPORT_DATA);
Preference importPref = findPreference(KEY_IMPORT_DATA);
Preference changePref = findPreference(KEY_CHANGE_PASSWORD);
Preference sendPref = findPreference(KEY_SEND_DATA);
if (mModel.status() == DataStatus.OK) {
exportPref.setEnabled(true);
importPref.setEnabled(true);
changePref.setEnabled(true);
sendPref.setEnabled(true);
} else {
exportPref.setEnabled(false);
importPref.setEnabled(false);
changePref.setEnabled(false);
sendPref.setEnabled(false);
}
if (mModel.status() == DataStatus.FILE_IS_EMPTY) {
importPref.setEnabled(true);
}
}
private void onImportData(CharSequence password) {
File input = new File(EXTERNAL_DIR, FILENAME);
if (!input.exists()) {
showMsg(super.getString(R.string.pref_dialog_import_data_fail) + input.getPath());
return;
}
try {
FileInputStream fis = new FileInputStream(input);
List<Item> list = mModel.loadHelper(fis, password);
if (list != null) {
for (int i = 0; i < list.size(); i++) {
mModel.addItem(list.get(i));
}
mModel.save();
showMsg(super.getString(R.string.pref_dialog_done));
} else {
showMsg(super.getString(R.string.pref_dialog_import_data_fail));
}
} catch (Exception e) {
showMsg("Exception occurred!");
e.printStackTrace();
}
}
@Override
public void onPause() {
super.onResume();
mModel.removeListener(this);
}
@Override
public void onResume() {
super.onResume();
mModel.addListener(this);
}