Android Open Source - calendar Simple Month Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.fourmob.datetimepicker.date;
/*from   w w  w . j  av  a  2s .  c  o m*/
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;
    }
  }
}

Java Source Code List

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