/*
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 edu.pdx.its.portal.routelandia;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Paint;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.MenuItem;
import android.view.Surface;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import org.achartengine.GraphicalView;
import org.achartengine.chart.BarChart;
import org.achartengine.model.XYSeries;
import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.GregorianCalendar;
import org.achartengine.ChartFactory;
import org.achartengine.GraphicalView;
import org.achartengine.chart.PointStyle;
import org.achartengine.model.SeriesSelection;
import org.achartengine.model.TimeSeries;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;
import edu.pdx.its.portal.routelandia.entities.TrafficStat;
import static android.graphics.Paint.Align.CENTER;
public class ListStat extends ActionBarActivity {
private GraphicalView mChart;
protected ArrayList<TrafficStat> trafficStatList;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.list_stats);
trafficStatList = getIntent().getParcelableArrayListExtra("travel info");
for (int j =0; j < trafficStatList.size(); j++){
Log.i("RESULT", trafficStatList.get(j).toString());
}
float avgAccuracy = getAverageAccuracy(trafficStatList);
if(avgAccuracy < 60) {
Toast.makeText(ListStat.this, "Warning! Low Accuracy Percentage!", Toast.LENGTH_LONG).show();
}
((TextView) findViewById(R.id.tvPredictionAccuracy)).setText(avgAccuracy + "%");
double length = 0;
if(trafficStatList.size() > 0) {
length = trafficStatList.get(0).getDistance();
}
((TextView) findViewById(R.id.tvRouteLength)).setText(length + " miles");
if(getRotation(getBaseContext()) == 1 || getRotation(getBaseContext()) == 1) {
if(trafficStatList.size() ==0){
Toast.makeText(ListStat.this, "please re pick 2 points", Toast.LENGTH_SHORT).show();
}
else{
openChart();
}
}
else{
TableLayout tableLayout = (TableLayout) findViewById(R.id.tableLayout);
int columns = 4;
int rows = trafficStatList.size() ;
if(trafficStatList.size() ==0){
Toast.makeText(ListStat.this, "please re pick 2 points", Toast.LENGTH_SHORT).show();
}
else{
buildTable(rows, columns, trafficStatList, tableLayout);
}
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// Respond to the action bar's Up/Home button
case android.R.id.home:
this.onBackPressed();
return true;
}
return super.onOptionsItemSelected(item);
}
private void openChart(){
XYSeries durationSeries = new XYSeries("Duration of travel");
int timeLength = trafficStatList.size();
for(int i = 0; i < timeLength; i++){
durationSeries.add((i + 1), trafficStatList.get(i).getTravelTime());
}
XYSeries speedSeries = new XYSeries("Speed");
for(int i = 0; i < timeLength; i++){
speedSeries.add((i + 1), trafficStatList.get(i).getSpeed());
}
//Collects all series and adds them under one object here called data
XYMultipleSeriesDataset data = new XYMultipleSeriesDataset();
data.addSeries(durationSeries);
data.addSeries(speedSeries);
//Gives the Bar it's property
XYSeriesRenderer durRenderer = new XYSeriesRenderer();
durRenderer.setColor(Color.GREEN);
durRenderer.setDisplayChartValues(true);
durRenderer.setChartValuesTextAlign(Paint.Align.CENTER);
durRenderer.setChartValuesTextSize(15);
XYSeriesRenderer speedRenderer = new XYSeriesRenderer();
speedRenderer.setColor(Color.CYAN);
speedRenderer.setDisplayChartValues(true);
speedRenderer.setChartValuesTextAlign(Paint.Align.CENTER);
speedRenderer.setChartValuesTextSize(15);
XYMultipleSeriesRenderer mRender = new XYMultipleSeriesRenderer();
mRender.setBarSpacing(1);
mRender.addSeriesRenderer(durRenderer);
mRender.addSeriesRenderer(speedRenderer);
mRender.setChartTitle("Travel Time and Speed");
mRender.setXTitle("Departure Time");
mRender.setYTitle("Duration and Speed");
mRender.setZoomButtonsVisible(true);
mRender.setLabelsTextSize(20);
mRender.setLegendTextSize(15);
mRender.setChartTitleTextSize(28);
mRender.setAxisTitleTextSize(25);
mRender.setXAxisMin(trafficStatList.get(1).getHour());
mRender.setXAxisMax(trafficStatList.size());
for (int i = 0; i < timeLength; i++)
{
mRender.addTextLabel(i + 1, String.valueOf((int) trafficStatList.get(i).getHour() + ":" + (int) trafficStatList.get(i).getMinutes() ));
}
mRender.setXLabelsAlign(CENTER);
mRender.setXLabels(0);
// Getting a reference to LinearLayout of the MainActivity Layout
LinearLayout chartContainer = (LinearLayout) findViewById(R.id.chart_container);
// Creating a Time Chart
mChart = (GraphicalView) ChartFactory.getBarChartView(getBaseContext(), data, mRender, BarChart.Type.DEFAULT);
//return intent;
mRender.setClickEnabled(true);
mRender.setSelectableBuffer(10);
mChart.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SeriesSelection seriesSelection = mChart.getCurrentSeriesAndPoint();
if (seriesSelection != null) {
int seriesIndex = seriesSelection.getSeriesIndex();
String selectedSeries = "Duration";
if(seriesIndex==0)
selectedSeries = "Duration";
else
selectedSeries = "Speed";
}
}
});
chartContainer.addView(mChart);
}
public int getRotation(Context context){
final int rotation = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getOrientation();
switch (rotation) {
case Surface.ROTATION_0:
return 1; //portrait
case Surface.ROTATION_90:
return 0;//landscape
case Surface.ROTATION_180:
return 1;//reverse portrait
default:
return 0;//reverse landscape
}
}
private void buildTable(int rows, int cols, ArrayList<TrafficStat> trafficStats, TableLayout tableLayout) {
// outer for loop
for (int i = -1; i < rows; i++) {
TableRow row = new TableRow(this);
row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
TableRow.LayoutParams.MATCH_PARENT));
if (i == -1) {
for (int j = 0; j < cols; j++) {
TextView tv = new TextView(this);
tv.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
TableRow.LayoutParams.MATCH_PARENT));
tv.setBackgroundResource(R.drawable.cell_shape);
tv.setPadding(40, 40, 40, 40);
tv.setTextColor(Color.BLACK);
if (j == 0) {
tv.setText("Time");
} else if (j == 1) {
tv.setText("Speed");
} else if (j == 2) {
tv.setText("Travel Time");
} else {
tv.setText("Prediction Accuracy");
}
row.addView(tv);
}
}
else{
// inner for loop
for (int j = 0; j < cols; j++) {
TextView tv = new TextView(this);
tv.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
TableRow.LayoutParams.MATCH_PARENT));
tv.setBackgroundResource(R.drawable.cell_shape);
tv.setPadding(40, 40, 40, 40);
tv.setTextColor(Color.BLACK);
if (j == 0) {
if (trafficStats.get(i).getMinutes() == 0) {
tv.setText(trafficStats.get(i).getHour() + ":"
+ trafficStats.get(i).getMinutes()
+ trafficStats.get(i).getMinutes());
} else {
tv.setText(trafficStats.get(i).getHour() + ":"
+ trafficStats.get(i).getMinutes());
}
} else if (j == 1) {
tv.setText(trafficStats.get(i).getSpeed() + " MPH");
} else if (j == 2) {
tv.setText(trafficStats.get(i).getTravelTime() + " Min");
} else {
tv.setText(trafficStats.get(i).getAccuracy() + "%");
}
row.addView(tv);
}
}
tableLayout.addView(row);
}
}
/**
* Take a list of traffic stats and get the average accuracy
*
* @param l The list to get avg accuracy for
* @return float representing the average accuracy of this list
*/
private float getAverageAccuracy(ArrayList<TrafficStat> l) {
float sum=0;
if(!l.isEmpty()) {
for (TrafficStat ts : l) {
sum += ts.getAccuracy();
}
return sum / l.size();
}
return 0;
}
}