/*
* ActivityDiary
*
* Copyright (C) 2018 Raphael Mack http://www.raphael-mack.de
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.rampro.activitydiary.ui.statistics;
import android.app.DatePickerDialog;
import android.app.LoaderManager;
import android.content.Context;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.DatePicker;
import android.widget.ImageView;
import android.widget.Spinner;
import android.widget.TextView;
import com.github.mikephil.charting.charts.PieChart;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.PieData;
import com.github.mikephil.charting.data.PieDataSet;
import com.github.mikephil.charting.data.PieEntry;
import com.github.mikephil.charting.formatter.IValueFormatter;
import com.github.mikephil.charting.utils.ViewPortHandler;
import org.osmdroid.config.Configuration;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import de.rampro.activitydiary.R;
import de.rampro.activitydiary.db.ActivityDiaryContract;
import de.rampro.activitydiary.helpers.DateHelper;
import de.rampro.activitydiary.helpers.TimeSpanFormatter;
import de.rampro.activitydiary.ui.generic.BaseActivity;
import de.rampro.activitydiary.ui.history.HistoryDetailActivity;
public class StatisticsActivity extends BaseActivity implements LoaderManager.LoaderCallbacks<Cursor>, AdapterView.OnItemSelectedListener {
private static final int LOADER_ID_TIME = 0;
private static final int LOADER_ID_RANGE = 1;
private static final String[] PROJECTION = new String[] {
ActivityDiaryContract.DiaryStats.NAME,
ActivityDiaryContract.DiaryStats.COLOR,
ActivityDiaryContract.DiaryStats.PORTION,
ActivityDiaryContract.DiaryStats.DURATION
};
private PieChart chart;
private Spinner timeframeSpinner;
private TextView rangeTextView;
private ImageView rangeEarlierImageView;
private ImageView rangeLaterImageView;
private long currentDateTime;
private int currentOffset = 0;
private int currentRange = Calendar.WEEK_OF_YEAR;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Context ctx = getApplicationContext();
Configuration.getInstance().load(ctx, PreferenceManager.getDefaultSharedPreferences(ctx));
LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View contentView = inflater.inflate(R.layout.activity_statistics, null, false);
setContent(contentView);
timeframeSpinner = (Spinner) findViewById(R.id.timeframeSpinner);
timeframeSpinner.setOnItemSelectedListener(this);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
R.array.statistic_dropdown,
android.R.layout.simple_spinner_item);
timeframeSpinner.setAdapter(adapter);
getLoaderManager().initLoader(LOADER_ID_TIME, null, this);
chart = (PieChart) findViewById(R.id.piechart);
chart.getLegend().setEnabled(false);
chart.setDescription(null);
chart.setHoleRadius(30.0f);
chart.setTransparentCircleRadius(40.0f);
rangeTextView = (TextView)findViewById(R.id.rangeTextView);
rangeEarlierImageView = (ImageView)findViewById(R.id.img_earlier);
rangeEarlierImageView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
currentOffset = currentOffset - 1;
loadRange(currentRange, currentOffset);
}
});
rangeLaterImageView = (ImageView) findViewById(R.id.img_later);
rangeLaterImageView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
currentOffset = currentOffset + 1;
loadRange(currentRange, currentOffset);
}
});
currentDateTime = new Date().getTime();
mDrawerToggle.setDrawerIndicatorEnabled(false);
}
// Called when a new Loader needs to be created
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
// Now create and return a CursorLoader that will take care of
// creating a Cursor for the data being displayed.
if(id == LOADER_ID_TIME) {
return new CursorLoader(this,
ActivityDiaryContract.DiaryStats.CONTENT_URI,
PROJECTION,
null,
null,
ActivityDiaryContract.DiaryStats.SORT_ORDER_DEFAULT);
}else if(id == LOADER_ID_RANGE) {
long start = args.getLong("start");
long end = args.getLong("end");
Uri u = ActivityDiaryContract.DiaryStats.CONTENT_URI;
u = Uri.withAppendedPath(u, Long.toString(start));
u = Uri.withAppendedPath(u, Long.toString(end));
return new CursorLoader(this,
u,
PROJECTION,
null,
null,
ActivityDiaryContract.DiaryStats.PORTION + " DESC");
}else{
return null;
}
}
// Called when a previously created loader has finished loading
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
List<PieEntry> entries = new ArrayList<>();
List<Integer> colors = new ArrayList<>();
int portion_idx = data.getColumnIndex(ActivityDiaryContract.DiaryStats.PORTION);
int name_idx = data.getColumnIndex(ActivityDiaryContract.DiaryStats.NAME);
int col_idx = data.getColumnIndex(ActivityDiaryContract.DiaryStats.COLOR);
int dur_idx = data.getColumnIndex(ActivityDiaryContract.DiaryStats.DURATION);
if ((data != null) && data.moveToFirst()) {
float acc = 0.0f;
float acc_po = 0.0f;
while (!data.isAfterLast()) {
float portion = data.getFloat(portion_idx);
long duration = data.getLong(dur_idx);
if(portion > 3.0f){
PieEntry ent = new PieEntry((float)duration, data.getString(name_idx));
entries.add(ent);
colors.add(data.getInt(col_idx));
}else{
// accumulate the small, not shown entries
acc += duration;
acc_po += portion;
}
data.moveToNext();
}
if(acc_po > 2.0f) {
entries.add(new PieEntry(acc, getResources().getString(R.string.statistics_others)));
colors.add(Color.GRAY);
}
}
PieDataSet set = new PieDataSet(entries, getResources().getString(R.string.activities));
PieData dat = new PieData(set);
set.setColors(colors);
set.setValueFormatter(new IValueFormatter() {
@Override
public String getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) {
PieEntry e = (PieEntry)entry;
return TimeSpanFormatter.format((long)e.getValue());
}
});
chart.setData(dat);
chart.setUsePercentValues(true);
chart.setRotationAngle(180.0f);
chart.invalidate(); // refresh
}
// Called when a previously created loader is reset, making the data unavailable
public void onLoaderReset(Loader<Cursor> loader) {
// This is called when the last Cursor provided to onLoadFinished()
// above is about to be closed. We need to make sure we are no
// longer using it.
}
@Override
public void onResume() {
mNavigationView.getMenu().findItem(R.id.nav_statistics).setChecked(true);
super.onResume();
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
currentDateTime = new Date().getTime();
Bundle bnd = new Bundle();
switch (position) {
case 0: // all
break;
case 1: // last 7 days
bnd.putLong("start", currentDateTime - (1000 * 60 * 60 * 24 * 7));
bnd.putLong("end", currentDateTime);
break;
case 2: // last 30 days
bnd.putLong("start", currentDateTime - (1000 * 60 * 60 * 24 * 7 * 30));
bnd.putLong("end", currentDateTime);
break;
case 3: // Day
currentOffset = 0;
currentRange = Calendar.DAY_OF_YEAR;
loadRange(currentRange, currentOffset);
break;
case 4: // week
currentOffset = 0;
currentRange = Calendar.WEEK_OF_YEAR;
loadRange(currentRange, currentOffset);
break;
case 5: // month
currentOffset = 0;
currentRange = Calendar.MONTH;
loadRange(currentRange, currentOffset);
break;
case 6: // year
currentOffset = 0;
currentRange = Calendar.YEAR;
loadRange(currentRange, currentOffset);
break;
default:
}
if(position < 3){
rangeTextView.setVisibility(View.INVISIBLE);
rangeEarlierImageView.setVisibility(View.INVISIBLE);
rangeLaterImageView.setVisibility(View.INVISIBLE);
}else{
rangeTextView.setVisibility(View.VISIBLE);
rangeEarlierImageView.setVisibility(View.VISIBLE);
rangeLaterImageView.setVisibility(View.VISIBLE);
}
if(position < 1) {
getLoaderManager().restartLoader(LOADER_ID_TIME, bnd, this);
}else if(position < 3){
getLoaderManager().restartLoader(LOADER_ID_RANGE, bnd, this);
}
}
/* field is the field of Calender, e.g. Calendar.WEEK_OF_YEAR */
private void loadRange(int field, int offset){
Bundle bnd = new Bundle();
Calendar calStart = DateHelper.startOf(field, currentDateTime);
calStart.add(field, offset);
Calendar calEnd = (Calendar) calStart.clone();
calEnd.add(field, 1);
SimpleDateFormat sdf = DateHelper.dateFormat(field);
String tt = sdf.format(calStart.getTime());
rangeTextView.setText(tt);
bnd.putLong("start", calStart.getTimeInMillis());
bnd.putLong("end", calEnd.getTimeInMillis());
getLoaderManager().restartLoader(LOADER_ID_RANGE, bnd, this);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
public void showDatePickerDialog(View v) {
HistoryDetailActivity.DatePickerFragment newFragment = new HistoryDetailActivity.DatePickerFragment();
Calendar date = Calendar.getInstance();
date.setTimeInMillis(currentDateTime);
newFragment.setData(new DatePickerDialog.OnDateSetListener (){
@Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
date.set(Calendar.YEAR, year);
date.set(Calendar.MONTH, month);
date.set(Calendar.DAY_OF_MONTH, dayOfMonth);
currentDateTime = date.getTimeInMillis();
currentOffset = 0;
loadRange(currentRange, currentOffset);
}
}
, date.get(Calendar.YEAR), date.get(Calendar.MONTH), date.get(Calendar.DAY_OF_MONTH));
newFragment.show(getSupportFragmentManager(), "startDatePicker");
}
}
