/*
* Copyright 2017 GcsSloop
*
* 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.
*
* Last modified 2017-03-08 01:01:18
*
* GitHub: https://github.com/GcsSloop
* Website: http://www.gcssloop.com
* Weibo: http://weibo.com/GcsSloop
*/
package com.gcssloop.diycode.activity;
import android.support.design.widget.NavigationView;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.GravityCompat;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.widget.Toolbar;
import android.view.GestureDetector;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import com.gcssloop.diycode.R;
import com.gcssloop.diycode.base.app.BaseActivity;
import com.gcssloop.diycode.base.app.ViewHolder;
import com.gcssloop.diycode.fragment.NewsListFragment;
import com.gcssloop.diycode.fragment.SitesListFragment;
import com.gcssloop.diycode.fragment.TopicListFragment;
import com.gcssloop.diycode.test.TextFragment;
import com.gcssloop.diycode.utils.Config;
import com.gcssloop.diycode.utils.DataCache;
import com.gcssloop.diycode_sdk.api.login.event.LogoutEvent;
import com.gcssloop.diycode_sdk.api.user.bean.User;
import com.gcssloop.diycode_sdk.api.user.bean.UserDetail;
import com.gcssloop.diycode_sdk.api.user.event.GetMeEvent;
import com.gcssloop.diycode_sdk.log.Logger;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;
public class MainActivity extends BaseActivity
implements NavigationView.OnNavigationItemSelectedListener, View.OnClickListener {
private DataCache mCache;
private Config mConfig;
private int mCurrentPosition = 0;
private TopicListFragment mFragment1;
private NewsListFragment mFragment2;
private SitesListFragment mFragment3;
private boolean isToolbarFirstClick = true;
@Override
public int getLayoutId() {
return R.layout.activity_main;
}
@Override
public void initViews(ViewHolder holder, View root) {
EventBus.getDefault().register(this);
mCache = new DataCache(this);
mConfig = Config.getSingleInstance();
initMenu(holder);
initViewPager(holder);
}
//--- viewpager adapter ------------------------------------------------------------------------
private void initViewPager(ViewHolder holder) {
ViewPager mViewPager = holder.get(R.id.view_pager);
TabLayout mTabLayout = holder.get(R.id.tab_layout);
mViewPager.setOffscreenPageLimit(3); // 防止滑动到第三个页面时，第一个页面被销毁
mFragment1 = TopicListFragment.newInstance();
mFragment2 = NewsListFragment.newInstance();
mFragment3 = SitesListFragment.newInstance();
mViewPager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
String[] types = {"Topics", "News", "Sites", "Test"};
@Override
public Fragment getItem(int position) {
if (position == 0)
return mFragment1;
if (position == 1)
return mFragment2;
if (position == 2)
return mFragment3;
return TextFragment.newInstance(types[position]);
}
@Override
public int getCount() {
return 3;
}
@Override
public CharSequence getPageTitle(int position) {
return types[position];
}
});
mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
mCurrentPosition = position;
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
mCurrentPosition = mConfig.getMainViewPagerPosition();
mViewPager.setCurrentItem(mCurrentPosition);
mTabLayout.setupWithViewPager(mViewPager);
}
// 快速返回顶部
private void quickToTop() {
switch (mCurrentPosition) {
case 0:
mFragment1.quickToTop();
break;
case 1:
mFragment2.quickToTop();
break;
case 2:
mFragment3.quickToTop();
break;
}
}
// 如果收到此状态说明用户已经登录成功了
@Subscribe(threadMode = ThreadMode.MAIN)
public void onLogin(GetMeEvent event) {
if (event.isOk()) {
UserDetail me = event.getBean();
mCache.saveMe(me);
loadMenuData(); // 加载菜单数据
}
}
// 如果收到此状态说明用户登出了
@Subscribe(threadMode = ThreadMode.MAIN)
public void onLogout(LogoutEvent event) {
loadMenuData(); // 加载菜单数据
}
//--- menu -------------------------------------------------------------------------------------
// 初始化菜单(包括侧边栏菜单和顶部菜单选项)
private void initMenu(ViewHolder holder) {
Toolbar toolbar = holder.get(R.id.toolbar);
toolbar.setLogo(R.mipmap.logo_actionbar);
toolbar.setTitle("");
DrawerLayout drawer = holder.get(R.id.drawer_layout);
setSupportActionBar(toolbar);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
// 双击 666
final GestureDetector detector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onDoubleTap(MotionEvent e) {
quickToTop(); // 快速返回头部
return super.onDoubleTap(e);
}
});
toolbar.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
detector.onTouchEvent(event);
return false;
}
});
toolbar.setOnClickListener(this);
holder.setOnClickListener(this, R.id.fab);
loadMenuData();
}
// 加载侧边栏菜单数据(与用户相关的)
private void loadMenuData() {
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
View headerView = navigationView.getHeaderView(0);
ImageView avatar = (ImageView) headerView.findViewById(R.id.nav_header_image);
TextView username = (TextView) headerView.findViewById(R.id.nav_header_name);
TextView tagline = (TextView) headerView.findViewById(R.id.nav_header_tagline);
if (mDiycode.isLogin()) {
UserDetail me = mCache.getMe();
if (me == null) {
Logger.e("获取自己缓存失效");
mDiycode.getMe(); // 重新加载
return;
}
username.setText(me.getLogin());
tagline.setText(me.getTagline());
Glide.with(this).load(me.getAvatar_url()).into(avatar);
avatar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
UserDetail me = mCache.getMe();
if (me == null) {
try {
me = mDiycode.getMeNow();
} catch (Exception e) {
e.printStackTrace();
}
}
if (me != null) {
User user = new User();
user.setId(me.getId());
user.setName(me.getName());
user.setLogin(me.getLogin());
user.setAvatar_url(me.getAvatar_url());
UserActivity.newInstance(MainActivity.this, user);
}
}
});
} else {
mCache.removeMe();
username.setText("(未登录)");
tagline.setText("点击头像登录");
avatar.setImageResource(R.mipmap.ic_launcher);
avatar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openActivity(LoginActivity.class);
}
});
}
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
openActivity(SettingActivity.class);
return true;
} else if (id == R.id.action_notification) {
if (!mDiycode.isLogin()) {
openActivity(LoginActivity.class);
} else {
openActivity(NotificationActivity.class);
}
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onNavigationItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.nav_post) {
if (!mDiycode.isLogin()) {
openActivity(LoginActivity.class);
return true;
}
MyTopicActivity.newInstance(this, MyTopicActivity.InfoType.MY_TOPIC);
} else if (id == R.id.nav_collect) {
if (!mDiycode.isLogin()) {
openActivity(LoginActivity.class);
return true;
}
MyTopicActivity.newInstance(this, MyTopicActivity.InfoType.MY_COLLECT);
} else if (id == R.id.nav_about) {
openActivity(AboutActivity.class);
} else if (id == R.id.nav_setting) {
openActivity(SettingActivity.class);
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
@Override
protected void onDestroy() {
super.onDestroy();
EventBus.getDefault().unregister(this);
mConfig.saveMainViewPagerPosition(mCurrentPosition);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.toolbar:
if (isToolbarFirstClick) {
toastShort("双击标题栏快速返回顶部");
isToolbarFirstClick = false;
}
break;
case R.id.fab:
quickToTop();
break;
}
}
}