Show events and times on the chart. The achartengine needs some work to get the labels in a better place. Enhance the SimulationSeriesDialog to allow selection of events.

android/res/layout/simulation_series_dialog.xml

@@ -5,11 +5,13 @@
     android:orientation="vertical" >
 
     <!-- shim to get dialog correct size ?? -->
+    <!--
     <View
         android:layout_width="200dp"
         android:layout_height="0px"
         android:layout_margin="0px"
         android:orientation="horizontal" />
+    -->
 
     <TextView
         android:layout_width="match_parent"
@@ -33,10 +35,16 @@
         android:layout_height="wrap_content"
         android:drawSelectorOnTop="true" />
 
+    <ListView
+        android:id="@+id/simulationEventsList"
+        android:layout_width="fill_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
+
     <Button
         android:id="@+id/simulationOkButton"
         android:layout_width="70dp"
-        android:layout_height="70dp"
+        android:layout_height="45dp"
         android:layout_gravity="center_horizontal"
         android:text="ok" />
 

android/res/layout/simulation_series_event_list_item.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<CheckedTextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@android:id/text1"
+    android:layout_width="match_parent"
+    android:layout_height="?android:attr/listPreferredItemHeight"
+    android:textAppearance="?android:attr/textAppearanceListItem"
+    android:gravity="center_vertical"
+    android:checkMark="?android:attr/listChoiceIndicatorMultiple"
+    android:paddingLeft="8dip"
+    android:paddingRight="8dip"
+/>

android/res/values/strings.xml

@@ -10,8 +10,9 @@
     <string name="Download">Download</string>
     <string name="About">About</string>
     <string name="Preferences">Preferences</string>
-    <string name="select_series">Select Series</string>
+    <string name="select_series">Change Plot</string>
     <string name="view_events">View Events</string>
+    <string name="simulationPlotDialogTitle">Select Series And Events</string>
 
     <string-array name="PreferenceMotorBrowserGroupingEntries">
         <item>Case</item>

android/src/net/sf/openrocket/android/simulation/SimulationChart.java

@@ -17,13 +17,16 @@ package net.sf.openrocket.android.simulation;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import net.sf.openrocket.android.util.AndroidLogWrapper;
 import net.sf.openrocket.document.OpenRocketDocument;
 import net.sf.openrocket.document.Simulation;
 import net.sf.openrocket.simulation.FlightDataBranch;
 import net.sf.openrocket.simulation.FlightDataType;
+import net.sf.openrocket.simulation.FlightEvent;
 import net.sf.openrocket.unit.Unit;
 
 import org.achartengine.chart.LineChart;
@@ -55,6 +58,7 @@ public class SimulationChart implements Serializable {
 	private final int simulationIndex;
 	private transient FlightDataType series1;
 	private transient FlightDataType series2;
+	private transient Map<Double,String> events;
 	
 	// Define 4 different colors and point styles to use for the series.
 	// For now only 2 series are supported though.
@@ -79,6 +83,10 @@ public class SimulationChart implements Serializable {
 		this.series2 = series2;
 	}
 
+	public void setEvents( Map<Double,String> events ) {
+		this.events = events;
+	}
+	
 	public FlightDataBranch getFlightDataBranch( OpenRocketDocument rocketDocument ) {
 		Simulation sim = rocketDocument.getSimulation(simulationIndex);
 		FlightDataBranch flightDataBranch = sim.getSimulatedData().getBranch(0);
@@ -102,6 +110,13 @@ public class SimulationChart implements Serializable {
 			series2 = flightDataBranch.getTypes()[2];
 		}
 		
+		if ( events == null ) {
+			events = new HashMap<Double,String>();
+			for ( FlightEvent event : flightDataBranch.getEvents() ) {
+				events.put(event.getTime(), event.getType().toString() );
+			}
+		}
+
 		/*
 		 * TODO -
 		 * Figure out why you can pan all over the place even where there are no visible points.
@@ -124,6 +139,12 @@ public class SimulationChart implements Serializable {
 		renderer.setShowGrid(true);
 		renderer.setZoomButtonsVisible(true);
 		renderer.setChartTitle(sim.getName());
+		renderer.setShowCustomTextGrid(true);
+		renderer.setXLabelsAlign(Align.RIGHT);
+		renderer.setXLabelsAngle(90);  // rotate right
+		for( Map.Entry<Double,String> event : events.entrySet() ) {
+			renderer.addXTextLabel(event.getKey(), event.getValue());
+		}
 
 		renderer.setMargins(new int[] { 50, 30, 0, 20 });
 		{

android/src/net/sf/openrocket/android/simulation/SimulationSeriesDialog.java

@@ -1,19 +1,27 @@
 package net.sf.openrocket.android.simulation;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import net.sf.openrocket.R;
 import net.sf.openrocket.android.CurrentRocketHolder;
 import net.sf.openrocket.document.OpenRocketDocument;
+import net.sf.openrocket.simulation.FlightDataBranch;
 import net.sf.openrocket.simulation.FlightDataType;
+import net.sf.openrocket.simulation.FlightEvent;
+import android.app.AlertDialog;
+import android.app.Dialog;
 import android.os.Bundle;
 import android.support.v4.app.DialogFragment;
+import android.util.SparseBooleanArray;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
+import android.widget.ListView;
 import android.widget.Spinner;
 import android.widget.TextView;
 
@@ -23,6 +31,7 @@ public class SimulationSeriesDialog extends DialogFragment {
 		public void onConfirm();
 	}
 
+	private ListView eventList;
 	private Spinner series1Spinner;
 	private Spinner series2Spinner;
 
@@ -40,23 +49,17 @@ public class SimulationSeriesDialog extends DialogFragment {
 	}
 
 	@Override
-	public void onCreate(Bundle savedInstanceState) {
+	public Dialog onCreateDialog(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
 		if (savedInstanceState != null ) {
 			chart = (SimulationChart) savedInstanceState.getSerializable("chart");
 		}
-	}
 		
-	@Override
+		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-	public void onSaveInstanceState(Bundle arg0) {
+		builder.setTitle(R.string.simulationPlotDialogTitle);
-		super.onSaveInstanceState(arg0);
-		arg0.putSerializable("chart", chart);
-	}
 		
-	@Override
+		final LayoutInflater inflater = getActivity().getLayoutInflater();
-	public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+		View v = inflater.inflate(R.layout.simulation_series_dialog, null);
-
+		builder.setView(v);
-		View v = inflater.inflate(R.layout.simulation_series_dialog, container, false);
 
 		OpenRocketDocument rocketDocument = CurrentRocketHolder.getCurrentRocket().getRocketDocument();
 
@@ -65,6 +68,19 @@ public class SimulationSeriesDialog extends DialogFragment {
 
 			@Override
 			public void onClick(View v) {
+				Map<Double,String> eventsToShow = new HashMap<Double,String>();
+				{
+					SparseBooleanArray eventsSelected = eventList.getCheckedItemPositions();
+					List<FlightEvent> flightEvents = chart.getFlightDataBranch(CurrentRocketHolder.getCurrentRocket().getRocketDocument()).getEvents();
+					for( int i=0; i< flightEvents.size(); i++ ) {
+						if ( eventsSelected.get(i) ) {
+							FlightEvent event = flightEvents.get(i);
+							eventsToShow.put( event.getTime(), event.getType().toString());
+						}
+					}
+				}
+				chart.setEvents(eventsToShow);
+
 				chart.setSeries1((FlightDataType)series1Spinner.getSelectedItem());
 				chart.setSeries2((FlightDataType)series2Spinner.getSelectedItem());
 
@@ -103,10 +119,42 @@ public class SimulationSeriesDialog extends DialogFragment {
 
 		};
 		series1Spinner.setAdapter(serieses);
+		series1Spinner.setSelection(0);
 		series2Spinner.setAdapter(serieses);
+		series2Spinner.setSelection(1);
 
+		eventList = (ListView) v.findViewById(R.id.simulationEventsList);
 
+		FlightDataBranch data = chart.getFlightDataBranch(CurrentRocketHolder.getCurrentRocket().getRocketDocument());
+		// Initialize the eventList
+		
+		ArrayAdapter<FlightEvent> events = new ArrayAdapter<FlightEvent>(getActivity(),android.R.layout.simple_list_item_1,data.getEvents()) {
+
+			@Override
+			public View getView(int position, View convertView,
+					ViewGroup parent) {
+				View v = convertView;
+				if ( v == null ) {
+					LayoutInflater li = inflater;
+					v = li.inflate(android.R.layout.simple_list_item_multiple_choice,null);
+				}
+				FlightEvent event = this.getItem(position);
+				((TextView)v.findViewById(android.R.id.text1)).setText( event.getType().toString() + " " + event.getTime() + " (s)" );
 				return v;
 			}
 
+		};
+		eventList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
+		eventList.setAdapter(events);
+
+		return builder.create();
+
+	}
+
+	@Override
+	public void onSaveInstanceState(Bundle arg0) {
+		super.onSaveInstanceState(arg0);
+		arg0.putSerializable("chart", chart);
+	}
+
 }