Android Open Source - rsmonitor-heartrate Month Year Date Slider

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (C) 2011 Daniel Berndt - Codeus Ltd  -  DateSlider
 * //from  w w  w.  j  a va2 s  .  c o m
 * DateSlider which allows for an easy selection of only a month and a year 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.googlecode.android.widgets.DateSlider;

import java.util.Calendar;

import com.renaultsport.heartrate.R;

import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.widget.LinearLayout.LayoutParams;

public class MonthYearDateSlider extends DateSlider {

  public MonthYearDateSlider(Context context, OnDateSetListener l, Calendar calendar) {
    super(context, l, calendar);
  }
  
  /**
   * Create the year and the monthscroller and feed them with their labelers
   * and place them on the layout.
   */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    // this needs to be called before everything else to set up the main layout of the DateSlider  
    super.onCreate(savedInstanceState);    
    
    LayoutInflater inflater = (LayoutInflater)getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    LayoutParams lp = new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);
    
    // create the year scroller and assign its labeler and add it to the layout
    ScrollLayout mYearScroller = (ScrollLayout) inflater.inflate(R.layout.scroller, null);
    mYearScroller.setLabeler(yearLabeler, mTime.getTimeInMillis(),200,60);
    mLayout.addView(mYearScroller, 0,lp);
    mScrollerList.add(mYearScroller);
    
    // create the month scroller and assign its labeler and add it to the layout
    ScrollLayout mMonthScroller = (ScrollLayout) inflater.inflate(R.layout.scroller, null);
    mMonthScroller.setLabeler(monthLabeler, mTime.getTimeInMillis(),150,60);
    mLayout.addView(mMonthScroller, 1,lp);
    mScrollerList.add(mMonthScroller);
    
    // this method _has_ to be called to set the onScrollListeners for all the Scrollers
    // in the mScrollerList.
    setListeners();
  }
  
  // the year labeler  takes care of providing each TimeTextView element in the yearScroller
  // with the right label and information about its time representation
  protected Labeler yearLabeler = new Labeler() {

    /**
     * add "val" year to the month object that contains "time" and returns the new TimeObject
     */
    @Override
    public TimeObject add(long time, int val) {
      Calendar c = Calendar.getInstance(mTimeZone);
      c.setTimeInMillis(time);
      c.add(Calendar.YEAR, val);
      return timeObjectfromCalendar(c);
    }
    
    /**
     * creates an TimeObject from a CalendarInstance
     */
    @Override
    protected TimeObject timeObjectfromCalendar(Calendar c) {
      int year = c.get(Calendar.YEAR);
      // set calendar to first millisecond of the year
      c.set(year, 0, 1, 0, 0, 0);
      c.set(Calendar.MILLISECOND, 0);
      long startTime = c.getTimeInMillis();
      // set calendar to last millisecond of the year
      c.set(year, 11, 31, 23, 59, 59);
      c.set(Calendar.MILLISECOND, 999);
      long endTime = c.getTimeInMillis();
      return new TimeObject(String.valueOf(year), startTime, endTime);
    }
    
  };
  
  // the month labeler  takes care of providing each TimeTextView element in the monthScroller
  // with the right label and information about its time representation
  protected Labeler monthLabeler = new Labeler() {

    /**
     * add "val" months to the month object that contains "time" and returns the new TimeObject
     */
    @Override
    public TimeObject add(long time, int val) {
      Calendar c = Calendar.getInstance(mTimeZone);
      c.setTimeInMillis(time);
      c.add(Calendar.MONTH, val);
      return timeObjectfromCalendar(c);
    }
    
    /**
     * creates an TimeObject from a CalendarInstance
     */
    @Override
    protected TimeObject timeObjectfromCalendar(Calendar c) {
      int year = c.get(Calendar.YEAR);
      int month = c.get(Calendar.MONTH);
      // set calendar to first millisecond of the month
      c.set(year, month, 1, 0, 0, 0);
      c.set(Calendar.MILLISECOND, 0);
      long startTime = c.getTimeInMillis();
      // set calendar to last millisecond of the month
      c.set(year, month, c.getActualMaximum(Calendar.DAY_OF_MONTH), 23, 59, 59);
      c.set(Calendar.MILLISECOND, 999);
      long endTime = c.getTimeInMillis();
      return new TimeObject(String.format("%tB",c), startTime, endTime);
    }
    
  };
  
  /**
   * override the setTitle method so that only the month and the year are shown.
   */
  @Override
  protected void setTitle() {
    if (mTitleText != null) {
      mTitleText.setText(getContext().getString(R.string.dateSliderTitle) + 
          String.format(": %tB %tY",mTime,mTime)); 
    }
  }

}

Java Source Code List

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