package org.lntu.online.ui.activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.LinearInterpolator;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;
import org.joda.time.LocalDate;
import org.lntu.online.R;
import org.lntu.online.model.api.ApiClient;
import org.lntu.online.model.api.BackgroundCallback;
import org.lntu.online.model.entity.ClassTable;
import org.lntu.online.model.storage.CacheShared;
import org.lntu.online.model.storage.LoginShared;
import org.lntu.online.ui.base.StatusBarActivity;
import org.lntu.online.ui.fragment.ClassTablePageFragment;
import org.lntu.online.ui.listener.NavigationFinishClickListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import butterknife.OnItemSelected;
import retrofit.client.Response;
public class ClassTableActivity extends StatusBarActivity implements Toolbar.OnMenuItemClickListener {
@BindView(R.id.toolbar)
protected Toolbar toolbar;
@BindView(R.id.spn_year_term)
protected Spinner spnYearTerm;
@BindView(R.id.layout_loading)
protected View layoutLoading;
@BindView(R.id.layout_empty)
protected View layoutEmpty;
@BindView(R.id.layout_fragment)
protected ViewGroup layoutFragment;
@BindView(R.id.icon_loading_anim)
protected View iconLoadingAnim;
@BindView(R.id.tv_load_failed)
protected TextView tvLoadFailed;
private BaseFragment fmPage;
private BaseFragment fmList;
private final LocalDate today = new LocalDate();
private int currentYear; // 当前查询的年条件
private String currentTerm; // 当前查询的学期条件
private ClassTable classTable; // 当前的课表对象
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_class_table);
ButterKnife.bind(this);
toolbar.setNavigationOnClickListener(new NavigationFinishClickListener(this));
toolbar.inflateMenu(R.menu.class_table_page);
toolbar.setOnMenuItemClickListener(this);
Animation dataLoadAnim = AnimationUtils.loadAnimation(this, R.anim.data_loading);
dataLoadAnim.setInterpolator(new LinearInterpolator());
iconLoadingAnim.startAnimation(dataLoadAnim);
fmPage = (BaseFragment) getSupportFragmentManager().findFragmentById(R.id.fragement_page);
fmList = (BaseFragment) getSupportFragmentManager().findFragmentById(R.id.fragement_list);
getSupportFragmentManager().beginTransaction().show(fmPage).hide(fmList).commit();
ArrayAdapter spnAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, getYearTermList(today));
spnAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spnYearTerm.setAdapter(spnAdapter);
}
/**
* 获取年级学期数组
*/
private List<String> getYearTermList(LocalDate today) {
int startYear = 2000 + Integer.parseInt(LoginShared.getUserId(this).substring(0, 2));
int endYear = today.getYear();
endYear = today.getMonthOfYear() < 2 ? endYear - 1 : endYear;
endYear = endYear < startYear ? startYear : endYear;
String endTerm = (today.getMonthOfYear() >= 2 && today.getMonthOfYear() < 8) ? "春" : "秋";
List<String> yearTermList = new ArrayList<>();
for (int n = 0; n < endYear - startYear; n++) {
if (!(endYear - n == endYear && endTerm.equals("春"))) {
yearTermList.add(endYear - n + "年 " + "秋季");
}
yearTermList.add(endYear - n + "年 " + "春季");
}
yearTermList.add(startYear + "年 " + "秋季");
return yearTermList;
}
/**
* 设置年级和学期
*/
private void setCurrentYearAndTerm(int year, String term) {
fmPage.onDataSetInit(year, term, today);
fmList.onDataSetInit(year, term, today);
currentYear = year;
currentTerm = term;
classTable = CacheShared.getClassTable(this, year, term);
if (classTable != null) {
final Map<String, List<ClassTable.CourseWrapper>> classTableMap = classTable.getMap();
fmPage.onDataSetUpdate(classTable, classTableMap);
fmList.onDataSetUpdate(classTable, classTableMap);
showLayoutFragment();
} else {
showLayoutLoading();
}
startNetwork(year, term);
}
/**
* 当前年级和学期切换
*/
@OnItemSelected(R.id.spn_year_term)
protected void onSpnItemSelected() {
String[] itemArr = spnYearTerm.getSelectedItem().toString().split(" ");
int year = Integer.parseInt(itemArr[0].replace("年", ""));
String term = itemArr[1].replace("季", "");
setCurrentYearAndTerm(year, term);
}
/**
* 菜单点击事件
*/
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
case R.id.action_class_table_page:
toolbar.getMenu().clear();
toolbar.inflateMenu(R.menu.class_table_page);
getSupportFragmentManager().beginTransaction().show(fmPage).hide(fmList).commit();
return true;
case R.id.action_class_table_list:
toolbar.getMenu().clear();
toolbar.inflateMenu(R.menu.class_table_list);
getSupportFragmentManager().beginTransaction().show(fmList).hide(fmPage).commit();
return true;
case R.id.action_class_table_today:
if (classTable != null) {
((ClassTablePageFragment) fmPage).onSetToday();
}
return true;
default:
return false;
}
}
/**
* 更新数据
*/
private void startNetwork(final int year, final String term) {
ApiClient.service.getClassTable(LoginShared.getLoginToken(this), year, term, new BackgroundCallback<ClassTable>(this) {
@Override
public void handleSuccess(ClassTable classTable, Response response) {
CacheShared.setClassTable(ClassTableActivity.this, classTable);
if (year == currentYear && term.equals(currentTerm)) { // 如果当前年级和学期没有改变
ClassTableActivity.this.classTable = classTable;
Map<String, List<ClassTable.CourseWrapper>> classTableMap = classTable.getMap();
fmPage.onDataSetUpdate(classTable, classTableMap);
fmList.onDataSetUpdate(classTable, classTableMap);
showLayoutFragment();
}
}
@Override
public void handleFailure(String message) {
if (year == currentYear && term.equals(currentTerm) && classTable == null) { // 如果classTable为空，说明是第一次初始化
showLayoutEmpty(message);
}
}
});
}
/**
* 显示加载状态
*/
private void showLayoutLoading() {
layoutLoading.setVisibility(View.VISIBLE);
layoutEmpty.setVisibility(View.GONE);
layoutFragment.setVisibility(View.GONE);
}
/**
* 显示错误状态
*/
private void showLayoutEmpty(String message) {
layoutLoading.setVisibility(View.GONE);
layoutEmpty.setVisibility(View.VISIBLE);
layoutFragment.setVisibility(View.GONE);
tvLoadFailed.setText(message);
}
/**
* 显示当前容器
*/
private void showLayoutFragment() {
layoutLoading.setVisibility(View.GONE);
layoutEmpty.setVisibility(View.GONE);
layoutFragment.setVisibility(View.VISIBLE);
}
/**
* 点击重新加载数据
*/
@OnClick(R.id.layout_empty)
protected void onBtnIconEmptyClick() {
showLayoutLoading();
startNetwork(currentYear, currentTerm);
}
public static abstract class BaseFragment extends Fragment {
public abstract void onDataSetInit(int year, String term, LocalDate today);
public abstract void onDataSetUpdate(ClassTable classTable, Map<String, List<ClassTable.CourseWrapper>> classTableMap);
}
}