com.nononsenseapps.notepad.fragments.DialogPassword.java Source code

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Here is the source code for com.nononsenseapps.notepad.fragments.DialogPassword.java

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/*
 * Copyright (C) 2012 Jonas Kalderstam
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.nononsenseapps.notepad.fragments;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.EditText;
import android.widget.Toast;

import org.androidannotations.annotations.AfterViews;
import org.androidannotations.annotations.Click;
import org.androidannotations.annotations.EFragment;
import org.androidannotations.annotations.ViewById;
import com.nononsenseapps.notepad.core.R;
import com.nononsenseapps.notepad.prefs.PasswordPrefs;

@EFragment(resName = "fragment_dialog_password")
public class DialogPassword extends DialogFragment {
    @ViewById(resName = "passwordField")
    EditText passwordField;

    @ViewById(resName = "passwordVerificationField")
    EditText passwordVerificationField;

    @ViewById(resName = "dialog_yes")
    View dialog_yes;
    @ViewById(resName = "dialog_no")
    View dialog_no;

    PasswordConfirmedListener listener = null;

    public static interface PasswordConfirmedListener {
        public void onPasswordConfirmed();
    }

    public void setListener(final PasswordConfirmedListener listener) {
        this.listener = listener;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getActivity());
        final String currentPassword = settings.getString(PasswordPrefs.KEY_PASSWORD, "");
        if (currentPassword.isEmpty()) {
            getDialog().setTitle(R.string.enter_new_password);
        } else {
            getDialog().setTitle(R.string.password_required);
        }
        // Let annotations deal with it
        return null;
    }

    @AfterViews
    public void showField() {
        final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getActivity());
        final String currentPassword = settings.getString(PasswordPrefs.KEY_PASSWORD, "");
        if (currentPassword.isEmpty()) {
            passwordVerificationField.setVisibility(View.VISIBLE);
        } else {
            passwordVerificationField.setVisibility(View.GONE);
        }
    }

    @Click(resName = "dialog_no")
    void cancel() {
        dismiss();
    }

    @Click(resName = "dialog_yes")
    void confirm() {
        final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getActivity());
        final String currentPassword = settings.getString(PasswordPrefs.KEY_PASSWORD, "");
        final String enteredPassword = passwordField.getText().toString();
        final String verifiedPassword = passwordVerificationField.getText().toString();

        if (currentPassword.isEmpty()) {
            setPassword(enteredPassword, verifiedPassword);
        } else {
            // We want to return true or false, user has entered correct
            // password
            checkPassword(enteredPassword, currentPassword);
        }
    }

    private void checkPassword(final String enteredPassword, final String currentPassword) {
        if (currentPassword.equals(enteredPassword)) {
            if (listener != null) {
                listener.onPasswordConfirmed();
            }
            dismiss();
        } else {
            Animation shake = AnimationUtils.loadAnimation(getActivity(), R.anim.shake);
            passwordField.startAnimation(shake);
            Toast.makeText(getActivity(), getText(R.string.password_incorrect), Toast.LENGTH_SHORT).show();
        }
    }

    private void setPassword(final String pass1, final String pass2) {
        if (pass1 != null && !pass1.isEmpty() && pass1.equals(pass2)) {
            PreferenceManager.getDefaultSharedPreferences(getActivity()).edit()
                    .putString(PasswordPrefs.KEY_PASSWORD, pass1).commit();
            if (listener != null) {
                listener.onPasswordConfirmed();
            }
            dismiss();
        } else {
            Animation shake = AnimationUtils.loadAnimation(getActivity(), R.anim.shake);
            passwordVerificationField.startAnimation(shake);
            Toast.makeText(getActivity(), getText(R.string.passwords_dont_match), Toast.LENGTH_SHORT).show();
        }
    }
}