DatePickerView.java
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package com.yinhebairong.clasmanage.widget;
import android.annotation.SuppressLint;
import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.yinhebairong.clasmanage.R;
import com.yinhebairong.clasmanage.widget.wheelview.OnWheelChangedListener;
import com.yinhebairong.clasmanage.widget.wheelview.OnWheelScrollListener;
import com.yinhebairong.clasmanage.widget.wheelview.WheelView;
import com.yinhebairong.clasmanage.widget.wheelview.adapter.AbstractWheelTextAdapter1;
import java.util.ArrayList;
/* 年月 */
public class DatePickerView extends LinearLayout {
private static final int YEAR_MIN = 2008;
private static final int YEAR_MAX = 2040;
private int year = YEAR_MIN;
private int month = 12;
// private int day = 1;
private ArrayList<Integer> yearList = new ArrayList<>(YEAR_MAX - YEAR_MIN + 1);
private ArrayList<Integer> monthList = new ArrayList<>(12);
// private ArrayList<Integer> dayList = new ArrayList<>(31);
private DateTextAdapter yearAdapter;
private DateTextAdapter monthAdapter;
// private DateTextAdapter dayAdapter;
private Context context;
private WheelView wheelViewYear;
private WheelView wheelViewMonth;
// private WheelView wheelViewDay;
public DatePickerView(Context context) {
this(context, null);
}
public DatePickerView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public DatePickerView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.context = context;
init();
}
private void init() {
for (int i = YEAR_MIN; i < YEAR_MAX + 1; i++) {
yearList.add(i);
}
for (int i = 1; i < 13; i++) {
monthList.add(i);
}
// for (int i = 1; i < 32; i++) {
// dayList.add(i);
// }
LayoutInflater.from(context).inflate(R.layout.widget_date_picker, this);
// View.inflate(context, R.layout.widget_date_picker, this);
wheelViewYear = (WheelView) findViewById(R.id.wheelViewYear);
wheelViewMonth = (WheelView) findViewById(R.id.wheelViewMonth);
// wheelViewDay = (WheelView) findViewById(R.id.wheelViewDay);
// wheelViewDay.setVisibility(GONE);
wheelViewYear.setCyclic(true);// 可循环滚动
wheelViewMonth.setCyclic(true);// 可循环滚动
// wheelViewDay.setCyclic(true);// 可循环滚动
yearAdapter = new DateTextAdapter(context);
monthAdapter = new DateTextAdapter(context);
// dayAdapter = new DateTextAdapter(context);
yearAdapter.setList(yearList);
monthAdapter.setList(monthList);
// dayAdapter.setList(dayList);
wheelViewYear.setViewAdapter(yearAdapter);
wheelViewMonth.setViewAdapter(monthAdapter);
// wheelViewDay.setViewAdapter(dayAdapter);
wheelViewYear.addChangingListener(new OnWheelChangedListener() {
@Override
public void onChanged(WheelView wheel, int oldValue, int newValue) {
year = YEAR_MIN + newValue;
int days = calcDay(year, month); // days=28
// dayList = getDayList(days);
// dayAdapter.setList(dayList);
// if (day > days) {
// dayAdapter.currentIndex = days - 1;
// wheelViewDay.setCurrentItem(dayAdapter.currentIndex);
// } else {
// dayAdapter.currentIndex = day - 1; // day = 30
// }
if (onSelectedChangedListener != null) {
onSelectedChangedListener.OnSelectedChanged(parseInt2Array(YEAR_MIN + oldValue, month), getSelectDate()); //, day
}
}
});
wheelViewMonth.addChangingListener(new OnWheelChangedListener() {
@Override
public void onChanged(WheelView wheel, int oldValue, int newValue) {
month = 1 + newValue;
// int days = calcDay(year, month); // days=28
// dayList = getDayList(days);
// dayAdapter.setList(dayList);
// if (day > days) {
// dayAdapter.currentIndex = days - 1;
// wheelViewDay.setCurrentItem(dayAdapter.currentIndex);
// } else {
// dayAdapter.currentIndex = day - 1; // day = 30
// }
if (onSelectedChangedListener != null) {
onSelectedChangedListener.OnSelectedChanged(parseInt2Array(year, 1 + oldValue), getSelectDate()); // day
}
}
});
// wheelViewDay.addChangingListener(new OnWheelChangedListener() {
// @Override
// public void onChanged(WheelView wheel, int oldValue, int newValue) {
// day = 1 + newValue;
// if (onSelectedChangedListener != null) {
// onSelectedChangedListener.OnSelectedChanged(parseInt2Array(year, month, oldValue + 1), getSelectDate());
// }
// }
// });
wheelViewYear.addScrollingListener(onWheelScrollListener);
wheelViewMonth.addScrollingListener(onWheelScrollListener);
// wheelViewDay.addScrollingListener(onWheelScrollListener);
}
OnWheelScrollListener onWheelScrollListener = new OnWheelScrollListener() {
@Override
public void onScrollingStarted(WheelView wheel) {
}
@Override
public void onScrollingFinished(WheelView wheel) {
setTextViewStyle();
}
};
private void setTextViewStyle() {
setTextViewSize(year + "", yearAdapter);
setTextViewSize(month + "", monthAdapter);
// setTextViewSize(day + "", dayAdapter);
}
@SuppressLint("ResourceAsColor")
private void setTextViewSize(String currentItemText, AbstractWheelTextAdapter1 adapter) {
ArrayList<View> arrayList = adapter.getTextViews();
int size = arrayList.size();
String currentText;
TextView textView;
boolean current;
for (int i = 0; i < size; i++) {
textView = (TextView) arrayList.get(i);
currentText = textView.getText().toString();
current = currentItemText.equals(currentText);
textView.setTextColor(current ? adapter.selected_text_color : adapter.un_selected_text_color);
textView.setTextSize(current ? adapter.selected_text_size : adapter.un_selected_text_size);
}
}
/**
* 设置控件的初始值
*
* @param year
* @param month
*/
public void setDate(int year, int month) { // , int day
//验证合法性
if (year > YEAR_MAX || year < YEAR_MIN) {
year = YEAR_MIN;
// throw new RuntimeException("年份必须在[" + YEAR_MIN + "," + YEAR_MAX + "]之间");
}
if (month > 12 || month < 1) {
month = 1;
// throw new RuntimeException("月份份必须在[" + 1 + "," + 12 + "]之间");
}
final int days = calcDay(year, month);
// if (day > days || day < 1) {
// day = 1;
// throw new RuntimeException("日期份必须在[" + 1 + "," + days + "]之间");
// }
this.year = year;
this.month = month;
// this.day = day;
yearAdapter.currentIndex = DatePickerView.this.year - YEAR_MIN;
monthAdapter.currentIndex = DatePickerView.this.month - 1;
// dayAdapter.currentIndex = DatePickerView.this.day - 1;
wheelViewYear.setCurrentItem(yearAdapter.currentIndex);
wheelViewMonth.setCurrentItem(monthAdapter.currentIndex);
// wheelViewDay.setCurrentItem(dayAdapter.currentIndex);
}
public void addOnSelectedChangingListener(OnSelectedChangedListener onSelectedChangedListener) {
this.onSelectedChangedListener = onSelectedChangedListener;
}
private OnSelectedChangedListener onSelectedChangedListener;
public interface OnSelectedChangedListener {
void OnSelectedChanged(int[] oldValue, int[] newValue);
}
private int[] parseInt2Array(int year, int month) { // , int day
return new int[]{year, month}; // day
}
public int[] getSelectDate() {
return new int[]{year, month}; // day
}
private ArrayList<Integer> getDayList(int days) {
if (days <= 0) {
return null;
}
ArrayList<Integer> list = new ArrayList(days);
for (int i = 1; i < days + 1; i++) {
list.add(i);
}
return list;
}
private int calcDay(int year, int month) {
int days = 0;
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
days = 31;
break;
case 4:
case 6:
case 9:
case 11:
days = 30;
break;
case 2:
days = (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0)) ? 29 : 28;
break;
}
return days;
}
private class DateTextAdapter extends AbstractWheelTextAdapter1 {
ArrayList<Integer> list;
public DateTextAdapter(Context context) {
super(context, android.R.layout.simple_list_item_1);
// super(context, R.layout.item_birth_year);
// setItemTextResource(R.id.tempValue);
// item_birth_year.xml 内容如下
// <?xml version="1.0" encoding="utf-8"?>
// <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
// android:layout_width="match_parent"
// android:layout_height="35dip"
// android:gravity="center"
// android:orientation="horizontal">
// <TextView
// android:id="@+id/tempValue"
// android:layout_width="match_parent"
// android:layout_height="match_parent"
// android:gravity="center"
// android:textColor="#ffff0000"/>
// </LinearLayout>
}
public void setList(ArrayList<Integer> list) {
this.list = list;
notifyDataChangedEvent();
}
@Override
protected CharSequence getItemText(int index) {
return list == null ? "" : String.valueOf(list.get(index));
}
@Override
public int getItemsCount() {
return list == null ? 0 : list.size();
}
}
}