package org.lntu.online.ui.adapter;
import android.content.Context;
import android.content.Intent;
import android.support.v4.view.PagerAdapter;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.style.ForegroundColorSpan;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ScrollView;
import android.widget.TextView;
import org.joda.time.LocalDate;
import org.joda.time.Period;
import org.joda.time.PeriodType;
import org.lntu.online.R;
import org.lntu.online.model.entity.ClassTable;
import org.lntu.online.model.entity.DayInWeek;
import org.lntu.online.model.entity.WeekMode;
import org.lntu.online.model.util.EntityUtils;
import org.lntu.online.ui.activity.ClassTableCourseActivity;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import butterknife.BindView;
import butterknife.BindViews;
import butterknife.ButterKnife;
import butterknife.OnClick;
public class ClassTablePageAdapter extends PagerAdapter {
private Context context;
private LayoutInflater inflater;
private List<View> busyPool = new ArrayList<>();
private List<View> idelPool = new ArrayList<>();
private LocalDate startDate;
private LocalDate endDate;
private LocalDate firstWeekMonday;
private LocalDate today;
private ClassTable classTable;
private Map<String, List<ClassTable.CourseWrapper>> classTableMap;
private Map<String, String> openStateMap = new HashMap<>();
public ClassTablePageAdapter(Context context, int year, String term, LocalDate today) {
this.context = context;
inflater = LayoutInflater.from(context);
if ("春".equals(term)) {
startDate = new LocalDate(year, 2, 1);
endDate = new LocalDate(year, 8, 1);
} else {
startDate = new LocalDate(year, 8, 1);
endDate = new LocalDate(year + 1, 2, 1);
}
this.today = today;
}
public LocalDate getStartDate() {
return startDate;
}
public LocalDate getEndDate() {
return endDate;
}
public void updateDataSet(ClassTable classTable, Map<String, List<ClassTable.CourseWrapper>> classTableMap) {
this.classTable = classTable;
this.classTableMap = classTableMap;
firstWeekMonday = new LocalDate(classTable.getFirstWeekMondayAt());
if (firstWeekMonday.isBefore(startDate) || firstWeekMonday.isAfter(endDate)) { // 第一周周一不在时间区域，重新定义第一周周一
if ("春".equals(classTable.getTerm())) {
firstWeekMonday = new LocalDate(classTable.getYear(), 3, 1);
} else {
firstWeekMonday = new LocalDate(classTable.getYear(), 9, 1);
}
firstWeekMonday = firstWeekMonday.plusDays((7 - firstWeekMonday.getDayOfWeek() + 1) % 7);
} else { // 第一周周一在时间区域
firstWeekMonday = firstWeekMonday.minusDays(firstWeekMonday.getDayOfWeek() - 1);
}
notifyDataSetChanged();
}
@Override
public int getCount() {
Period period = new Period(startDate, endDate, PeriodType.days());
return period.getDays();
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view == object;
}
public int getPositionFromDate(LocalDate date) {
if (date == null || date.isBefore(startDate) || date.isAfter(endDate)) {
return 0;
} else {
Period period = new Period(startDate, date, PeriodType.days());
return period.getDays();
}
}
public LocalDate getDateAt(int position) {
return startDate.plusDays(position);
}
public int getWeekOfTerm(LocalDate date) {
if (firstWeekMonday == null || firstWeekMonday.isBefore(startDate) || firstWeekMonday.isAfter(endDate)) {
return -1;
} else {
Period period = new Period(firstWeekMonday, date, PeriodType.days());
int days = period.getDays();
return days < 0 ? 0 : days / 7 + 1;
}
}
@Override
public CharSequence getPageTitle(int position) {
LocalDate currentDate = getDateAt(position);
String title = currentDate.getMonthOfYear() + "月" + currentDate.getDayOfMonth() + "日 " + DayInWeek.getFromIndex(currentDate.getDayOfWeek()).value();
int weekOfTerm = getWeekOfTerm(currentDate);
if (weekOfTerm > 0) {
title += "（第" + getWeekOfTerm(currentDate) + "周）";
}
if (currentDate.equals(today)) { // 是今天-主题色标注
SpannableString spanString = new SpannableString(title);
ForegroundColorSpan span = new ForegroundColorSpan(context.getResources().getColor(R.color.color_primary));
spanString.setSpan(span, 0, spanString.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return spanString;
} else {
return title;
}
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
View convertView;
if (idelPool.size() <= 0) { // 没有空闲view
convertView = inflater.inflate(R.layout.activity_class_table_page_item, container, false);
convertView.setTag(new ViewHolder(convertView));
} else {
convertView = idelPool.get(0);
idelPool.remove(convertView);
}
busyPool.add(convertView);
ViewHolder holder = (ViewHolder) convertView.getTag();
holder.update(position);
container.addView(convertView);
return convertView;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
View convertView = (View) object;
ViewHolder holder = (ViewHolder) convertView.getTag();
holder.scrollView.scrollTo(0, 0);
container.removeView(convertView);
busyPool.remove(convertView);
idelPool.add(convertView);
}
@Override
public void notifyDataSetChanged() {
for (View view : busyPool) {
ViewHolder holder = (ViewHolder) view.getTag();
if (holder.position >= 0) {
holder.update(holder.position);
}
}
super.notifyDataSetChanged();
}
protected class ViewHolder {
@BindView(R.id.scroll_view)
protected ScrollView scrollView;
@BindViews({
R.id.tv_stage_1,
R.id.tv_stage_2,
R.id.tv_stage_3,
R.id.tv_stage_4,
R.id.tv_stage_5
})
protected List<TextView> tvStageList;
@BindViews({
R.id.layout_stage_1_show,
R.id.layout_stage_2_show,
R.id.layout_stage_3_show,
R.id.layout_stage_4_show,
R.id.layout_stage_5_show
})
protected List<ViewGroup> layoutStageShowList;
@BindViews({
R.id.layout_stage_1_hide,
R.id.layout_stage_2_hide,
R.id.layout_stage_3_hide,
R.id.layout_stage_4_hide,
R.id.layout_stage_5_hide
})
protected List<ViewGroup> layoutStageHideList;
@BindViews({
R.id.icon_stage_1,
R.id.icon_stage_2,
R.id.icon_stage_3,
R.id.icon_stage_4,
R.id.icon_stage_5
})
protected List<View> iconStageList;
@BindViews({
R.id.btn_stage_1,
R.id.btn_stage_2,
R.id.btn_stage_3,
R.id.btn_stage_4,
R.id.btn_stage_5,
})
protected List<View> btnStageList;
protected int position = -1;
protected LocalDate currentDate;
public ViewHolder(View convertView) {
ButterKnife.bind(this, convertView);
}
protected void update(int position) {
this.position = position;
currentDate = getDateAt(position);
int weekOfTerm = getWeekOfTerm(currentDate);
if (classTableMap == null) {
return;
}
for (int stage = 1; stage <= 5; stage++) {
// 设置上课时间
tvStageList.get(stage - 1).setText(ClassTable.getStageTimeString(stage, currentDate));
// 获取今天这一大节的课程列表
List<ClassTable.CourseWrapper> courseWrapperList = classTableMap.get(currentDate.getDayOfWeek() + "-" + stage);
ViewGroup layoutStageShow = layoutStageShowList.get(stage - 1);
ViewGroup layoutStageHide = layoutStageHideList.get(stage - 1);
View iconStage = iconStageList.get(stage - 1);
View btnStage = btnStageList.get(stage - 1);
// 清除布局
layoutStageShow.removeAllViews();
layoutStageHide.removeAllViews();
// 更新布局显示
int showCount = 0;
int hideCount = 0;
for (int i = 0; i < (courseWrapperList == null ? 0 : courseWrapperList.size()); i++) {
ClassTable.CourseWrapper courseWrapper = courseWrapperList.get(i);
boolean isCurrent = weekOfTerm >= courseWrapper.getTimeAndPlace().getStartWeek()
&& weekOfTerm <= courseWrapper.getTimeAndPlace().getEndWeek()
&& (courseWrapper.getTimeAndPlace().getWeekMode() == null
|| courseWrapper.getTimeAndPlace().getWeekMode() == WeekMode.ALL
|| courseWrapper.getTimeAndPlace().getWeekMode() == WeekMode.ODD && weekOfTerm % 2 == 1
|| courseWrapper.getTimeAndPlace().getWeekMode() == WeekMode.EVEN && weekOfTerm % 2 == 0);
View viewCourse = isCurrent ? layoutStageShow.getChildAt(showCount) : layoutStageHide.getChildAt(hideCount);
if (viewCourse == null) {
viewCourse = inflater.inflate(R.layout.activity_class_table_page_item_course, isCurrent ? layoutStageShow : layoutStageHide, false);
viewCourse.setTag(new CourseViewHolder(viewCourse));
if (isCurrent) {
layoutStageShow.addView(viewCourse);
showCount++;
} else {
layoutStageHide.addView(viewCourse);
hideCount++;
}
}
CourseViewHolder holder = (CourseViewHolder) viewCourse.getTag();
holder.update(courseWrapper, isCurrent);
}
// 更新整体布局状态
layoutStageShow.setVisibility(showCount > 0 ? View.VISIBLE : View.GONE);
iconStage.setVisibility(showCount > 0 ? View.GONE : View.VISIBLE);
layoutStageHide.setVisibility(TextUtils.isEmpty(openStateMap.get(currentDate.toString() + "-" + stage)) ? View.GONE : View.VISIBLE);
btnStage.setVisibility(layoutStageHide.getChildCount() > 0 ? View.VISIBLE : View.GONE);
}
}
@OnClick({
R.id.btn_stage_1,
R.id.btn_stage_2,
R.id.btn_stage_3,
R.id.btn_stage_4,
R.id.btn_stage_5,
})
protected void onBtnStage1Click(View view) {
switch (view.getId()) {
case R.id.btn_stage_1:
toggleLayout(1);
break;
case R.id.btn_stage_2:
toggleLayout(2);
break;
case R.id.btn_stage_3:
toggleLayout(3);
break;
case R.id.btn_stage_4:
toggleLayout(4);
break;
case R.id.btn_stage_5:
toggleLayout(5);
break;
}
}
private void toggleLayout(int stage) {
ViewGroup layoutStageHide = layoutStageHideList.get(stage - 1);
layoutStageHide.setVisibility(layoutStageHide.getVisibility() == View.VISIBLE ? View.GONE : View.VISIBLE);
openStateMap.put(currentDate.toString() + "-" + stage, layoutStageHide.getVisibility() == View.VISIBLE ? "true" : null);
}
}
protected class CourseViewHolder {
@BindView(R.id.tv_name)
protected TextView tvName;
@BindView(R.id.tv_teacher)
protected TextView tvTeacher;
@BindView(R.id.tv_place)
protected TextView tvPlace;
@BindView(R.id.icon_not_current)
protected View iconNotCurrent;
protected ClassTable.CourseWrapper courseWrapper;
public CourseViewHolder(View convertView) {
ButterKnife.bind(this, convertView);
}
public void update(ClassTable.CourseWrapper courseWrapper, boolean isCurrent) {
this.courseWrapper = courseWrapper;
tvName.setText(courseWrapper.getCourse().getName());
tvTeacher.setText(courseWrapper.getCourse().getTeacher());
tvPlace.setText(courseWrapper.getTimeAndPlace().getRoom());
iconNotCurrent.setVisibility(isCurrent ? View.GONE : View.VISIBLE);
}
@OnClick(R.id.btn_card)
protected void onBtnCardClick() {
if (courseWrapper != null) {
Intent intent = new Intent(context, ClassTableCourseActivity.class);
intent.putExtra("course", EntityUtils.gson.toJson(courseWrapper.getCourse()));
intent.putExtra("year", classTable.getYear());
intent.putExtra("term", classTable.getTerm());
context.startActivity(intent);
}
}
}
}