fi.hut.soberit.sensors.sessions.SessionsList.java Source code

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Here is the source code for fi.hut.soberit.sensors.sessions.SessionsList.java

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/*******************************************************************************
 * Copyright (c) 2011 Aalto University
 * 
 * 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.
 ******************************************************************************/
package fi.hut.soberit.sensors.sessions;

import java.util.Date;

import org.apache.commons.lang.time.DateUtils;

import eu.mobileguild.ApplicationWithGlobalPreferences;
import eu.mobileguild.ui.SectionedAdapter;
import fi.hut.soberit.sensors.DatabaseHelper;
import fi.hut.soberit.sensors.R;
import fi.hut.soberit.sensors.SessionDao;
import fi.hut.soberit.sensors.SessionsTable;

import android.app.ListActivity;
import android.content.Context;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.TextView;

public class SessionsList extends ListActivity {

    SessionDao sessionsDao;

    private CustomSectionedAdapter customSectionedAdapter;

    private Cursor cursor;

    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);

        sessionsDao = new SessionDao(new DatabaseHelper(this));
    }

    @Override
    public void onResume() {
        super.onResume();

        cursor = sessionsDao.getSessions();
        customSectionedAdapter = new CustomSectionedAdapter(this, cursor, true);
        setListAdapter(customSectionedAdapter);

        startManagingCursor(cursor);
    }

    @Override
    public void onPause() {
        super.onPause();
    }

    class CustomSectionedAdapter extends SectionedAdapter {

        public CustomSectionedAdapter(Context context, Cursor c, boolean autoRequiry) {
            super(context, c, autoRequiry, SessionsTable.SESSION_ID);
        }

        @Override
        protected View getHeaderView(String caption, int index, View convertView, ViewGroup parent) {
            TextView result = (TextView) convertView;

            if (convertView == null) {
                result = (TextView) getLayoutInflater().inflate(R.layout.sessions_header, null);
            }

            result.setText(caption);

            return (result);
        }

        @Override
        protected View getRowView(View convertView, ViewGroup parent) {

            TextView result = (TextView) convertView;

            if (convertView == null) {
                result = (TextView) getLayoutInflater().inflate(android.R.layout.simple_list_item_1, null);
            }

            return result;
        }

        @Override
        protected void calculateSections(Context context, Cursor cursor) {
            Date lastDay = null;

            int lastSectionSize = 0;

            String lastSectionTitle = null;

            int initialPosition = cursor.getPosition();
            for (int i = 0; i < cursor.getCount(); i++) {
                cursor.moveToPosition(i);
                final Date start = DatabaseHelper
                        .getDateFromUtcDateString(cursor.getString(cursor.getColumnIndex(SessionsTable.START)));

                if (lastDay == null || !DateUtils.isSameDay(start, lastDay)) {
                    lastDay = start;
                    if (lastSectionTitle != null) {
                        sections.add(new Section(lastSectionTitle, lastSectionSize));
                    }

                    lastSectionSize = 0;
                    lastSectionTitle = android.text.format.DateUtils.formatDateTime(context, start.getTime(),
                            android.text.format.DateUtils.FORMAT_SHOW_DATE
                                    | android.text.format.DateUtils.FORMAT_SHOW_YEAR);
                }
                lastSectionSize++;
            }
            if (lastDay != null) {
                sections.add(new Section(lastSectionTitle, lastSectionSize));
            }

            cursor.moveToPosition(initialPosition);
        }

        @Override
        public void bindView(View view, Context context, Cursor cursor) {

            final Date start = DatabaseHelper
                    .getDateFromUtcDateString(cursor.getString(cursor.getColumnIndex(SessionsTable.START)));
            final String endString = cursor.getString(cursor.getColumnIndex(SessionsTable.END));
            final Date end = endString != null ? DatabaseHelper.getDateFromUtcDateString(endString) : null;

            String dayLabel;

            if (end == null) {
                dayLabel = String.format("%1$tH:%1$tM", start);
            } else if (!DateUtils.isSameDay(start, end)) {
                dayLabel = String.format("%1$tH:%1$tM - %2$tb %2$te, %2$tH:%2$tM", start, end);
            } else {
                dayLabel = String.format("%1$tH:%1$tM - %2$tH:%2$tM", start, end);
            }

            ((TextView) view).setText(dayLabel);
        }
    };
}