git.gag.com Git - debian/openrocket/blob - android/src/net/sf/openrocket/android/motor/BurnPlotFragment.java

   1 package net.sf.openrocket.android.motor;\r
   2 \r
   3 import net.sf.openrocket.android.db.DbAdapter;\r
   4 import net.sf.openrocket.android.util.AndroidLogWrapper;\r
   5 \r
   6 import org.achartengine.GraphicalView;\r
   7 import org.achartengine.chart.LineChart;\r
   8 import org.achartengine.chart.PointStyle;\r
   9 import org.achartengine.chart.XYChart;\r
  10 import org.achartengine.model.XYMultipleSeriesDataset;\r
  11 import org.achartengine.model.XYSeries;\r
  12 import org.achartengine.renderer.XYMultipleSeriesRenderer;\r
  13 import org.achartengine.renderer.XYSeriesRenderer;\r
  14 \r
  15 import android.graphics.Color;\r
  16 import android.graphics.Paint.Align;\r
  17 import android.os.Bundle;\r
  18 import android.support.v4.app.Fragment;\r
  19 import android.view.LayoutInflater;\r
  20 import android.view.View;\r
  21 import android.view.ViewGroup;\r
  22 \r
  23 public class BurnPlotFragment extends Fragment {\r
  24 \r
  25         private ExtendedThrustCurveMotor motor;\r
  26         private long motorId;\r
  27 \r
  28         /** The encapsulated graphical view. */\r
  29         private GraphicalView mView;\r
  30         /** The chart to be drawn. */\r
  31         private XYChart mChart;\r
  32 \r
  33         public static BurnPlotFragment newInstance( long motorId ) {\r
  34                 BurnPlotFragment frag = new BurnPlotFragment();\r
  35                 Bundle bundle = new Bundle();\r
  36                 bundle.putLong("motorId", motorId);\r
  37                 frag.setArguments(bundle);\r
  38                 return frag;\r
  39         }\r
  40 \r
  41         @Override\r
  42         public void onCreate(Bundle savedInstanceState) {\r
  43                 AndroidLogWrapper.d(BurnPlotFragment.class,"onCreate");\r
  44 \r
  45                 if ( savedInstanceState!= null) {\r
  46                         motorId = savedInstanceState.getLong("motorId",-1);\r
  47                 } else {\r
  48                         Bundle b = getArguments();\r
  49                         motorId = b.getLong("motorId");\r
  50                 }\r
  51 \r
  52                 DbAdapter mDbHelper = new DbAdapter(getActivity());\r
  53                 mDbHelper.open();\r
  54 \r
  55                 try {\r
  56                         motor = mDbHelper.getMotorDao().fetchMotor(motorId);\r
  57                 } catch ( Exception e ) {\r
  58 \r
  59                 }\r
  60 \r
  61                 mDbHelper.close();\r
  62                 super.onCreate(savedInstanceState);\r
  63         }\r
  64 \r
  65         @Override\r
  66         public void onSaveInstanceState(Bundle outState) {\r
  67                 super.onSaveInstanceState(outState);\r
  68                 outState.putLong("motorId", motorId);\r
  69         }\r
  70 \r
  71         @Override\r
  72         public View onCreateView(LayoutInflater inflater, ViewGroup container,\r
  73                         Bundle savedInstanceState) {\r
  74                 AndroidLogWrapper.d(BurnPlotFragment.class,"onCreateView");\r
  75                 \r
  76                 init(motor);\r
  77                 mView = new GraphicalView(container.getContext(), mChart);\r
  78                 return mView;\r
  79         }\r
  80 \r
  81         private void init( ExtendedThrustCurveMotor motor ) {\r
  82 \r
  83                 XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer(1);\r
  84 \r
  85                 renderer.setAxisTitleTextSize(16);\r
  86                 renderer.setChartTitleTextSize(20);\r
  87                 renderer.setLabelsTextSize(15);\r
  88                 renderer.setLegendTextSize(15);\r
  89                 renderer.setPointSize(5f);\r
  90                 renderer.setXLabels(10);\r
  91                 renderer.setYLabels(10);\r
  92                 renderer.setShowGrid(true);\r
  93                 renderer.setZoomButtonsVisible(false);\r
  94                 renderer.setZoomEnabled(false,false);\r
  95                 renderer.setPanEnabled(false,false);\r
  96                 renderer.setMargins(new int[] { 50, 40, 10, 20 });\r
  97                 renderer.setShowLegend(false);\r
  98                 renderer.setAxesColor(Color.LTGRAY);\r
  99                 renderer.setLabelsColor(Color.LTGRAY);\r
 100 \r
 101                 renderer.setChartTitle(motor.getManufacturer() + " " + motor.getDesignation());\r
 102 \r
 103                 renderer.setXTitle("time (s)");\r
 104                 renderer.setXLabelsAlign(Align.RIGHT);\r
 105 \r
 106                 renderer.setYTitle("impuse (n)");\r
 107                 renderer.setYLabelsAlign(Align.RIGHT,0);\r
 108 \r
 109                 XYSeriesRenderer r = new XYSeriesRenderer();\r
 110                 r.setColor(Color.RED);\r
 111                 r.setPointStyle(PointStyle.CIRCLE);\r
 112                 r.setFillPoints(true);\r
 113                 renderer.addSeriesRenderer(r);\r
 114                 // setting the YAximMin to 0 locks the origins.\r
 115                 renderer.setYAxisMin(0.0, 0);\r
 116 \r
 117                 // TODO get markers working in achartengine\r
 118                 //YValueMarker average = new YValueMarker(motor.getThrustCurveMotor().getAverageThrustEstimate(),"average" );\r
 119                 //average.getLinePaint().setColor(Color.BLACK);\r
 120                 //average.getTextPaint().setColor(Color.BLACK);\r
 121                 //mySimpleXYPlot.addMarker( average );\r
 122 \r
 123                 XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();\r
 124 \r
 125                 XYSeries series = new XYSeries(motor.getDesignation(), 0);\r
 126                 \r
 127                 double[] timePoints = motor.getTimePoints();\r
 128                 double[] thrustPoints = motor.getThrustPoints();\r
 129 \r
 130                 // We are going to abuse this loop to also compute the Y axis max.\r
 131                 int maxy = 0;\r
 132                 int datasize = timePoints.length;\r
 133                 for( int i = 0; i<datasize; i++ ) {\r
 134                         series.add(timePoints[i], thrustPoints[i]);\r
 135                         int ceil =(int) Math.ceil(thrustPoints[i]);\r
 136                         if ( ceil > maxy ) {\r
 137                                 maxy = ceil;\r
 138                         }\r
 139                 }\r
 140                 renderer.setYAxisMax(maxy);\r
 141                 \r
 142                 // Find the X axis max.  compute it as next larger integer if t_max > 2 else round up to next tenth.\r
 143                 double maxx = timePoints[datasize-1];\r
 144                 if ( maxx >= 2.0 ) {\r
 145                         maxx = Math.ceil(maxx);\r
 146                 } else {\r
 147                         maxx = Math.ceil(maxx*10.0) /10.0;\r
 148                 }\r
 149                 renderer.setXAxisMax(maxx);\r
 150                 \r
 151                 dataset.addSeries(series);\r
 152 \r
 153                 mChart = new LineChart(dataset, renderer);\r
 154 \r
 155         }\r
 156 \r
 157 }\r
 158 \r