SetOfCalendarView.java

package eoc.studio.voicecard.calendarview;

import java.util.ArrayList;
import java.util.Map;

import eoc.studio.voicecard.R;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.FrameLayout;
import android.widget.GridView;
import android.widget.HorizontalScrollView;
import android.widget.RelativeLayout;

public class SetOfCalendarView extends Fragment implements OnTouchListener
{
    private static Context mContext;
    private static SetOfCalendarAdapter calendarAdapter;
    private static HorizontalScrollView horizontalScrollView = null;
    private static float moveStart = 0, moveEnd = 0;
    private static boolean isSmoothScroll = false;
    private int getPages = 0;
    private static ArrayList<Map<String, String>> mData;
    private static GridView calendarGrid;
    private static RelativeLayout hideView;
    private static final int DEFAULT_SCROOL_SITE = 0;
    private static int DEFAULT_SCROOL_BUFF, DEFAULT_NOITE_WIDTH;
    private static final int DEFAULT_SCROOL_BUFF_XHDPI = 100;
    private static final int DEFAULT_NOITE_WIDTH_XHDPI = 435;
    private static final int DEFAULT_SCROOL_BUFF_HDPI = 75;
    private static final int DEFAULT_NOITE_WIDTH_HDPI = 326;
    private static final int ONE_PAGE = 1, THREE_PAGE = 3;

    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public SetOfCalendarView()
    {
    }

    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
    {

        mContext = getActivity();
        final RelativeLayout calendarLayout = (RelativeLayout) inflater.inflate(R.layout.set_of_calendar, null);
        hideView = (RelativeLayout) calendarLayout.findViewById(R.id.hideView);
        horizontalScrollView = (HorizontalScrollView) calendarLayout.findViewById(R.id.calendar_horizontal_scroll);
        calendarGrid = (GridView) calendarLayout.findViewById(R.id.calendar_grid);
        horizontalScrollView.setOnTouchListener(this);
        getNewView();
        return calendarLayout;
    }

    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    protected static void getNewView()
    {
        float scale = mContext.getResources().getDisplayMetrics().density;

        if (scale == 1.5)
        {
            DEFAULT_SCROOL_BUFF = DEFAULT_SCROOL_BUFF_HDPI;
            DEFAULT_NOITE_WIDTH = DEFAULT_NOITE_WIDTH_HDPI;
        }
        else
        {
            DEFAULT_SCROOL_BUFF = DEFAULT_SCROOL_BUFF_XHDPI;
            DEFAULT_NOITE_WIDTH = DEFAULT_NOITE_WIDTH_XHDPI;
        }

        mData = getEventData();
        if (mData == null)
        {
            return;
        }
        calendarAdapter = new SetOfCalendarAdapter(mContext, mData);
        if (mData.size() == 1)
        {
            hideView.setVisibility(View.INVISIBLE);
        }
        else
        {
            hideView.setVisibility(View.GONE);
        }
        calendarGrid.setNumColumns(mData.size());
        calendarGrid.setLayoutParams(new FrameLayout.LayoutParams((DEFAULT_NOITE_WIDTH + DEFAULT_SCROOL_BUFF)
                * mData.size(), 510));
        calendarGrid.setSelector(new ColorDrawable(Color.TRANSPARENT));
        calendarGrid.setOnItemClickListener(new DayItemClickListener());
        calendarGrid.setAdapter(calendarAdapter);
    }

    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    @Override
    public boolean onTouch(View v, MotionEvent event)
    {
        if (event.getAction() == MotionEvent.ACTION_MOVE && !isSmoothScroll)
        {
            isSmoothScroll = true;
            moveStart = event.getX();
        }
        else if (event.getAction() == MotionEvent.ACTION_UP)
        {
            isSmoothScroll = false;
            moveEnd = event.getX();
            if (moveStart > moveEnd)
            {
                if (getPages >= (mData.size() - 1))
                {
                    return true;
                }
                smoothScrollView((++getPages));
            }
            else
            {
                if (getPages < 1)
                {
                    return false;
                }
                smoothScrollView((--getPages));
            }
        }
        return true;
    }

    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    private static void smoothScrollView(final int getPage)
    {
        new Handler().postDelayed((new Runnable()
        {
            @Override
            public void run()
            {
                if (getPage == DEFAULT_SCROOL_SITE)
                {
                    horizontalScrollView.smoothScrollTo(DEFAULT_SCROOL_SITE, DEFAULT_SCROOL_SITE);
                }
                else if (getPage == ONE_PAGE)
                {
                    horizontalScrollView.smoothScrollTo(DEFAULT_NOITE_WIDTH, DEFAULT_SCROOL_SITE);
                }
                else if (getPage < THREE_PAGE)
                {
                    horizontalScrollView.smoothScrollTo((DEFAULT_NOITE_WIDTH * (getPage)) + DEFAULT_SCROOL_BUFF,
                            DEFAULT_SCROOL_SITE);
                }
                else
                {
                    horizontalScrollView.smoothScrollTo(((DEFAULT_NOITE_WIDTH + DEFAULT_SCROOL_BUFF) * getPage)
                            - DEFAULT_SCROOL_BUFF, DEFAULT_SCROOL_SITE);
                }
            }
        }), 5);
    }

    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    private static ArrayList<Map<String, String>> getEventData()
    {
        String event = DataProcess.getSelectedEventDate();
        if (!event.equals(""))
        {
            return CalendarIntentHelper.readCalendarEvent(mContext, DataProcess.getSelectedEventDate());
        }
        return null;
    }

    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    private static final class DayItemClickListener implements OnItemClickListener
    {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id)
        {
            calendarAdapter.setSelected(position);
        }
    }
    // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
}