Android Open Source - Calendar-DayView Day Fragment

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License

The source code is released under:

Apache License

Java Source Code

package com.srikanthgr.calendarweekview.fragments;
/*  w  w  w  .j a va  2 s . c  om*/
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

import android.app.Fragment;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.text.TextUtils.TruncateAt;
import android.text.format.DateFormat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.TextView;
import android.widget.Toast;

import com.srikanthgr.calendarweekview.R;
import com.srikanthgr.calendarweekview.datainterface.DataInterface;
import com.srikanthgr.calendarweekview.model.Event;

/**
 * @author Srikanth G.R
 * 
 */
public class DayFragment extends Fragment {
  private ImageView prevMonth;
  private ImageView nextMonth;
  private TextView currentDate;
  private Calendar _calendar;
  private int month;
  private int yearSelected;
  private int day;
  private Calendar cal;
  private String startDate;
  private Context mContext;

  int margin = 0;
  RelativeLayout monRelative;
  Animation animFlipInForeward;
  Animation animFlipOutForeward;
  Animation animFlipInBackward;
  Animation animFlipOutBackward;
  private String[] timevalues = { "00:00 AM", "00:30 AM", "01:00 AM",
      "01:30 AM", "02:00 AM", "02:30 AM", "03:00 AM", "03:30 AM",
      "04:00 AM", "04:30 AM", "05:00 AM", "05:30 AM", "06:00 AM",
      "06:30 AM", "07:00 AM", "07:30 AM", "08:00 AM", "08:30 AM",
      "09:00 AM", "09:30 AM", "10:00 AM", "10:30 AM", "11:00 AM",
      "11:30 AM", "12:00 PM", "12:30 PM", "13:00 PM", "13:30 PM",
      "14:00 PM", "14:30 PM", "15:00 PM", "15:30 PM", "16:00 PM",
      "16:30 PM", "17:00 PM", "17:30 PM", "18:00 PM", "18:30 PM",
      "19:00 PM", "19:30 PM", "20:00 PM", "20:30 PM", "21:00 PM",
      "21:30 PM", "22:00 PM", "22:30 PM", "23:00 PM", "23:30 PM" };
  private final DateFormat dateformatter = new DateFormat();
  private static final String dateformat = "yyyy/MM/dd";
  private String months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
      "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };

  private String monthsNumbers[] = { "01", "02", "03", "04", "05", "06",
      "07", "08", "09", "10", "11", "12" };
  String eventdate;
  String title;

  public DayFragment() {

  }

  public DayFragment(String startDate) {
    this.startDate = startDate;

  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    ViewGroup containerView = (ViewGroup) inflater.inflate(
        R.layout.dayview, container, false);
    monRelative = (RelativeLayout) containerView
        .findViewById(R.id.monRelative);
    prevMonth = (ImageView) containerView.findViewById(R.id.prevDay);
    nextMonth = (ImageView) containerView.findViewById(R.id.nextDay);
    currentDate = (TextView) containerView.findViewById(R.id.currentDate);
    _calendar = Calendar.getInstance(Locale.getDefault());
    cal = Calendar.getInstance(Locale.getDefault());
    mContext = getActivity().getApplicationContext();

    cal = Calendar.getInstance(Locale.getDefault());
    month = _calendar.get(Calendar.MONTH);
    yearSelected = _calendar.get(Calendar.YEAR);
    day = _calendar.get(Calendar.DAY_OF_MONTH);
    if (startDate == null) {
      // startDate = yearSelected + "/" + (month + 1) + "/" + day;
      startDate = (month + 1) + "/" + day + "/" + yearSelected;
    }
    Date date = new Date(startDate);
    startDate = (String) dateformatter.format(dateformat, date);
    eventdate = (String) dateformatter.format("MM/dd/yyyy", date);

    date = new Date(startDate);
    cal.setTime(date);

    String month = months[cal.get(Calendar.MONTH)];
    String date1 = " " + cal.get(Calendar.DATE) + " ";

    String year = "" + cal.get(Calendar.YEAR);

    String currentDate1 = date1 + month + "," + year;
    currentDate.setText(currentDate1);
    try {
      loadDataForDay();
    } catch (ParseException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    // scrollView.setOnTouchListener(gestureListener);
    prevMonth.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View arg0) {

        try {
          onLTRFling();
        } catch (ParseException e) {
          e.printStackTrace();
        }
      }
    });

    nextMonth.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {

        try {
          onRTLFling();
        } catch (ParseException e) {
          e.printStackTrace();
        }

      }
    });

    return containerView;
  }

  /**
   * @throws ParseException
   */
  private void loadDataForDay() throws ParseException {
    // TODO Auto-generated method stub
    DataInterface dataInterface = new DataInterface(mContext);
    ArrayList<Event> appointments = dataInterface
        .getCurrentDayEvents(eventdate);

    for (Event appointment : appointments) {
      String startTime = appointment.getDtstart();
      String endTime = appointment.getDtend();
      title = appointment.getTitle();

      for (int i = 0; i < timevalues.length; i++) {

        if ((startTime.contains(timevalues[i]))) {
          createViewForAppointment(startTime, endTime);

        }
      }

    }

  }

  /**
   * @param startTime
   * @param endTime
   */
  private void createViewForAppointment(String startTime, String endTime) {
    // TODO Auto-generated method stub
    int marginTop = calculateMargin(startTime);
    int height = (int) calculateDiffInTime(startTime, endTime);

    LayoutParams lprams = new LayoutParams(LayoutParams.MATCH_PARENT,
        height);
    int marginLeft = 30;
    lprams.setMargins(marginLeft, 0, 0, 0);
    lprams.topMargin = marginTop;

    Button button = new Button(mContext);
    button.setBackgroundResource(R.drawable.appointment_new);
    button.setLayoutParams(lprams);
    button.setTextColor(Color.BLACK);
    button.setTextAppearance(mContext, R.style.ButtonFontStyle);
    button.setText("Event");
    if (height <= 18) {
      button.setSingleLine();
    }
    button.setEllipsize(TruncateAt.END);
    monRelative.addView(button);
    button.setOnClickListener(new OnClickListener() {

      public void onClick(View v) {

        Toast.makeText(mContext, "Button Click1", Toast.LENGTH_SHORT)
            .show();
      }
    });
  }

  /**
   * @param startTime
   * @param endTime
   * @return
   */
  private long calculateDiffInTime(String startTime, String endTime) {
    // TODO Auto-generated method stub
    String startTimeAppointment = startTime;
    String endTimeAppointment = endTime;
    long diffMinutes = 0;
    SimpleDateFormat format = new SimpleDateFormat("hh:mm aa");
    Date d1 = null;
    Date d2 = null;
    try {
      d1 = format.parse(startTimeAppointment);
      d2 = format.parse(endTimeAppointment);

      long diff = d2.getTime() - d1.getTime();
      diffMinutes = diff / (60 * 1000);
      float diffHours = diffMinutes / 60;

    } catch (ParseException e) {
      e.printStackTrace();
    }
    return diffMinutes;
  }

  /**
   * @param startTime
   * @return
   */
  private int calculateMargin(String startTime) {
    // TODO Auto-generated method stub
    margin = 3;
    for (int i = 0; startTime.compareToIgnoreCase(timevalues[i]) != 0; i++) {
      margin = margin + 30;
    }

    return margin;
  }

  /**
   * @param month
   * @param year
   * @throws ParseException
   */
  private void setGridCellAdapterToDate(int month, int year)
      throws ParseException {
    Calendar date = Calendar.getInstance();
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");

    String monthTemp = months[cal.get(Calendar.MONTH)];
    String newdate = " " + cal.get(Calendar.DATE) + " ";
    String dateTime = sdf.format(date.getTime());
    String yearTemp = "" + cal.get(Calendar.YEAR);
    String monthTemp1 = monthsNumbers[cal.get(Calendar.MONTH)];

    int changedmonth = cal.get(Calendar.MONTH);
    int changedYear = cal.get(Calendar.YEAR);
    int day = cal.get(Calendar.DAY_OF_MONTH);
    String changedNewDate = monthTemp1 + "/" + day + "/" + yearSelected;
    eventdate = changedNewDate;
    loadDataForDay();
    String changedDate = newdate + monthTemp + "," + yearTemp;

    currentDate.setText(changedDate);

  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onActivityCreated(savedInstanceState);

  }

  private void onLTRFling() throws ParseException {
    removeViews();
    cal.add(Calendar.DAY_OF_MONTH, -1);
    setGridCellAdapterToDate(cal.MONTH, cal.YEAR);

  }

  private void onRTLFling() throws ParseException {
    removeViews();
    cal.add(Calendar.DAY_OF_MONTH, 1);
    setGridCellAdapterToDate(cal.MONTH, cal.YEAR);

  }

  private void removeViews() {
    monRelative.removeAllViews();

  }
}

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