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src/com/fourmob/datetimepicker/date/SimpleMonthAdapter.java 4.08 KB
3c2353cd   杜方   1、畅游通核销app源码提交;
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  package com.fourmob.datetimepicker.date;
  
  import android.content.Context;
  import android.view.View;
  import android.view.ViewGroup;
  import android.view.ViewGroup.LayoutParams;
  import android.widget.AbsListView;
  import android.widget.BaseAdapter;
  
  import java.util.Calendar;
  import java.util.HashMap;
  
  public class SimpleMonthAdapter extends BaseAdapter implements SimpleMonthView.OnDayClickListener {
  
      protected static int WEEK_7_OVERHANG_HEIGHT = 7;
      protected static final int MONTHS_IN_YEAR = 12;
  
  	private final Context mContext;
  	private final DatePickerController mController;
  
  	private CalendarDay mSelectedDay;
  
  	public SimpleMonthAdapter(Context context, DatePickerController datePickerController) {
  		mContext = context;
  		mController = datePickerController;
  		init();
  		setSelectedDay(mController.getSelectedDay());
  	}
  
  	private boolean isSelectedDayInMonth(int year, int month) {
  		return (mSelectedDay.year == year) && (mSelectedDay.month == month);
  	}
  
  	public int getCount() {
          return ((mController.getMaxYear() - mController.getMinYear()) + 1) * MONTHS_IN_YEAR;
  	}
  
  	public Object getItem(int position) {
  		return null;
  	}
  
  	public long getItemId(int position) {
  		return position;
  	}
  
  	public View getView(int position, View convertView, ViewGroup parent) {
  		SimpleMonthView v;
          HashMap<String, Integer> drawingParams = null;
  		if (convertView != null) {
  			v = (SimpleMonthView) convertView;
              drawingParams = (HashMap<String, Integer>) v.getTag();
          } else {
  			v = new SimpleMonthView(mContext);
  			v.setLayoutParams(new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
  			v.setClickable(true);
  			v.setOnDayClickListener(this);
  		}
          if (drawingParams == null) {
              drawingParams = new HashMap<String, Integer>();
          }
          drawingParams.clear();
  
          final int month = position % MONTHS_IN_YEAR;
          final int year = position / MONTHS_IN_YEAR + mController.getMinYear();
  
          int selectedDay = -1;
          if (isSelectedDayInMonth(year, month)) {
              selectedDay = mSelectedDay.day;
          }
  
  		v.reuse();
  
          drawingParams.put(SimpleMonthView.VIEW_PARAMS_SELECTED_DAY, selectedDay);
          drawingParams.put(SimpleMonthView.VIEW_PARAMS_YEAR, year);
          drawingParams.put(SimpleMonthView.VIEW_PARAMS_MONTH, month);
          drawingParams.put(SimpleMonthView.VIEW_PARAMS_WEEK_START, mController.getFirstDayOfWeek());
  		v.setMonthParams(drawingParams);
  		v.invalidate();
  
  		return v;
  	}
  
  	protected void init() {
  		mSelectedDay = new CalendarDay(System.currentTimeMillis());
  	}
  
  	public void onDayClick(SimpleMonthView simpleMonthView, CalendarDay calendarDay) {
  		if (calendarDay != null) {
  			onDayTapped(calendarDay);
          }
  	}
  
  	protected void onDayTapped(CalendarDay calendarDay) {
  		mController.tryVibrate();
  		mController.onDayOfMonthSelected(calendarDay.year, calendarDay.month, calendarDay.day);
  		setSelectedDay(calendarDay);
  	}
  
  	public void setSelectedDay(CalendarDay calendarDay) {
  		mSelectedDay = calendarDay;
  		notifyDataSetChanged();
  	}
  
  	public static class CalendarDay {
  		private Calendar calendar;
  
  		int day;
  		int month;
  		int year;
  
  		public CalendarDay() {
  			setTime(System.currentTimeMillis());
  		}
  
  		public CalendarDay(int year, int month, int day) {
  			setDay(year, month, day);
  		}
  
  		public CalendarDay(long timeInMillis) {
  			setTime(timeInMillis);
  		}
  
  		public CalendarDay(Calendar calendar) {
  			year = calendar.get(Calendar.YEAR);
  			month = calendar.get(Calendar.MONTH);
  			day = calendar.get(Calendar.DAY_OF_MONTH);
  		}
  
  		private void setTime(long timeInMillis) {
  			if (calendar == null) {
  				calendar = Calendar.getInstance();
              }
  			calendar.setTimeInMillis(timeInMillis);
  			month = this.calendar.get(Calendar.MONTH);
  			year = this.calendar.get(Calendar.YEAR);
  			day = this.calendar.get(Calendar.DAY_OF_MONTH);
  		}
  
  		public void set(CalendarDay calendarDay) {
  		    year = calendarDay.year;
  			month = calendarDay.month;
  			day = calendarDay.day;
  		}
  
  		public void setDay(int year, int month, int day) {
  			this.year = year;
  			this.month = month;
  			this.day = day;
  		}
  	}
  }