com.ramzcalender.utils.CalUtil.java Source code

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Here is the source code for com.ramzcalender.utils.CalUtil.java

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package com.ramzcalender.utils;

import com.ramzcalender.RWeekCalendar;

import org.joda.time.LocalDateTime;

/**
 * The MIT License (MIT)
    
 Copyright (c) 2015 Ramesh M Nair
    
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
    
 The above copyright notice and this permission notice shall be included in all
 copies or substantial portions of the Software.
    
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
public class CalUtil {

    LocalDateTime mStartDate, selectedDate;

    /**
     * Get the day difference in the selected day and the first day in the week 
     *
     * @param dayName
     */
    public static int mDateGap(String dayName) {

        if (dayName.equals("mon")) {
            return 1;
        } else if (dayName.equals("tue")) {
            return 2;
        } else if (dayName.equals("wed")) {
            return 3;
        } else if (dayName.equals("thu")) {
            return 4;
        } else if (dayName.equals("fri")) {
            return 5;
        } else if (dayName.equals("sat")) {
            return 6;
        } else {
            return 0;
        }

    }

    /**
     * Initial calculation of the week
     *
     * @param mStartDate
     */
    public void calculate(LocalDateTime mStartDate, int type) {

        //Initializing Start with current month
        final LocalDateTime currentDateTime = mStartDate;

        setStartDate(currentDateTime.getYear(), currentDateTime.getMonthOfYear(), currentDateTime.getDayOfMonth());

        /*Check for difference of weeks for alignment of days*/
        int weekGap = CalUtil.mDateGap(currentDateTime.dayOfWeek().getAsText().substring(0, 3).toLowerCase());

        if (weekGap != 0) {

            //If the there is week gap we need to maintain in the calender else alignment will be a mess

            if (type == RWeekCalendar.FDF_CALENDER) {
                //If the  week gap is in FDF calender first get the current days number of the week
                int currentWeekNumber = new LocalDateTime().dayOfWeek().get();
                //Subtract it with the rest of the days(Week gap) to get the rest of the days
                weekGap = weekGap - currentWeekNumber;
            }

            //This will add the additional days
            LocalDateTime ldt = mStartDate.minusDays(weekGap);

            // Set the the new startDate after new calculated days
            setStartDate(ldt.getYear(), ldt.getMonthOfYear(), ldt.getDayOfMonth());

        }

        else {

            //Some times the week gap will be zero in that case If the selected calender is FDFCalender
            if (type == RWeekCalendar.FDF_CALENDER) {

                //Subtract total days of week (7) with the week day number of current date

                int currentWeekNumber = 7 - new LocalDateTime().dayOfWeek().get();

                if (currentWeekNumber != 0) {

                    // Set the the new startDate after new calculated days

                    LocalDateTime ldt = mStartDate.minusDays(currentWeekNumber);
                    setStartDate(ldt.getYear(), ldt.getMonthOfYear(), ldt.getDayOfMonth());
                }

            }
        }
    }

    /*    *//**
            * Initial calculation of the week
            *
            * @param
            *//*
               public void calculate(Context mContext,LocalDateTime currentDateTime)
               {
                   
                   
                   
               //        //Initializing Start with current month
               //        final LocalDateTime currentDateTime = new LocalDateTime();
                   
               setStartDate(currentDateTime.getYear(), currentDateTime.getMonthOfYear(), currentDateTime.getDayOfMonth());
                   
               int weekGap = CalUtil.mDateGap(currentDateTime.dayOfWeek().getAsText().substring(0, 3).toLowerCase());
                   
                   
               if (weekGap != 0) {
                   //if the current date is not the first day of the week the rest of days is added
                   
                 */
    /*  //Calendar set to the current date
    Calendar calendar = Calendar.getInstance();
        
    calendar.add(Calendar.DAY_OF_YEAR, -weekGap);
        
    //now the date is weekGap days back
    Log.i("weekGap", "" + calendar.getTime().toString());
        
    LocalDateTime ldt = LocalDateTime.fromCalendarFields(calendar);
        
    *//*
           LocalDateTime ldt=currentDateTime.minusDays(weekGap);
           setStartDate(ldt.getYear(), ldt.getMonthOfYear(), ldt.getDayOfMonth());
           
           
           
       }
         }*/

    /*Set The Start day (week)from calender*/
    private void setStartDate(int year, int month, int day) {

        mStartDate = new LocalDateTime(year, month, day, 0, 0, 0);
        selectedDate = mStartDate;

        AppController.getInstance().setDate(selectedDate);

    }

    /*   public LocalDateTime getSelectedDate()
       {
    return selectedDate;
       }*/

    public LocalDateTime getStartDate() {
        return mStartDate;
    }

}