package com.android.nxd;

//Download by 链接已屏蔽

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;

public class LoginActivity extends Activity {

private EditText mAccount;

private EditText mPwd;

private Button mRegisterButton;

private Button mLoginButton;

private Button mCancleButton;

private View loginView;

private View loginSuccessView;

private TextView loginSuccessShow;

private UserDataManager mUserDataManager;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.loginpage);

mAccount = (EditText) findViewById(R.id.login_edit_account);

mPwd = (EditText) findViewById(R.id.login_edit_pwd);

mRegisterButton = (Button) findViewById(R.id.login_btn_register);

mLoginButton = (Button) findViewById(R.id.login_btn_login);

mCancleButton = (Button) findViewById(R.id.login_btn_cancle);

loginView=findViewById(R.id.login_view);

loginSuccessView=findViewById(R.id.login_success_view);

loginSuccessShow=(TextView) findViewById(R.id.login_success_show);

mRegisterButton.setOnClickListener(mListener);

mLoginButton.setOnClickListener(mListener);

mCancleButton.setOnClickListener(mListener);

if (mUserDataManager == null) {

mUserDataManager = new UserDataManager(this);

mUserDataManager.openDataBase();

}

}

OnClickListener mListener = new OnClickListener() {

public void onClick(View v) {

switch (v.getId()) {

case R.id.login_btn_register:

register();

break;

case R.id.login_btn_login:

login();

break;

case R.id.login_btn_cancle:

cancle();

break;

}

}

};

public void login() {

if (isUserNameAndPwdValid()) {

String userName = mAccount.getText().toString().trim();

String userPwd = mPwd.getText().toString().trim();

int result=mUserDataManager.findUserByNameAndPwd(userName, userPwd);

if(result==1){

//login success

loginView.setVisibility(View.GONE);

loginSuccessView.setVisibility(View.VISIBLE);

loginSuccessShow.setText(getString(R.string.user_login_sucess, userName));

Toast.makeText(this, getString(R.string.login_sucess),

Toast.LENGTH_SHORT).show();

}else if(result==0){

//login failed,user does't exist

Toast.makeText(this, getString(R.string.login_fail),

Toast.LENGTH_SHORT).show();

}

}

}

public void register() {

if (isUserNameAndPwdValid()) {

String userName = mAccount.getText().toString().trim();

String userPwd = mPwd.getText().toString().trim();

//check if user name is already exist

int count=mUserDataManager.findUserByName(userName);

if(count>0){

Toast.makeText(this, getString(R.string.name_already_exist, userName),

Toast.LENGTH_SHORT).show();

return ;

}

UserData mUser = new UserData(userName, userPwd);

mUserDataManager.openDataBase();

long flag = mUserDataManager.insertUserData(mUser);

if (flag == -1) {

Toast.makeText(this, getString(R.string.register_fail),

Toast.LENGTH_SHORT).show();

}else{

Toast.makeText(this, getString(R.string.register_sucess),

Toast.LENGTH_SHORT).show();

}

}

}

public void cancle() {

mAccount.setText("");

mPwd.setText("");

}

public boolean isUserNameAndPwdValid() {

if (mAccount.getText().toString().trim().equals("")) {

Toast.makeText(this, getString(R.string.account_empty),

Toast.LENGTH_SHORT).show();

return false;

} else if (mPwd.getText().toString().trim().equals("")) {

Toast.makeText(this, getString(R.string.pwd_empty),

Toast.LENGTH_SHORT).show();

return false;

}

return true;

}

@Override

protected void onResume() {

if (mUserDataManager == null) {

mUserDataManager = new UserDataManager(this);

mUserDataManager.openDataBase();

}

super.onResume();

}

@Override

protected void onDestroy() {

super.onDestroy();

}

@Override

protected void onPause() {

if (mUserDataManager != null) {

mUserDataManager.closeDataBase();

mUserDataManager = null;

}

super.onPause();

}

}



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