Initial work on BodyTube ComponentPresets.

core/.classpath

@@ -26,5 +26,6 @@
 	<classpathentry kind="lib" path="lib-test/uispec4j-2.3-jdk16.jar"/>
 	<classpathentry kind="lib" path="resources"/>
 	<classpathentry kind="lib" path="lib/jspf.core-1.0.2.jar" sourcepath="/home/sampo/Projects/lib/jspf/documentation/api"/>
+	<classpathentry kind="lib" path="lib/opencsv-2.3.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

core/build.xml

@@ -57,7 +57,7 @@
 	
 	
 	<!-- JAR -->
-	<target name="jar" depends="build">
+	<target name="jar" depends="build" description="Create the OpenRocket jar file">
 		<copy todir="${dist.dir}/">
 			<fileset dir="." includes="LICENSE.TXT README.TXT ChangeLog ReleaseNotes fileformat.txt" />
 			<fileset dir="resources/"/>
@@ -73,6 +73,7 @@
 			<zipfileset src="lib/jcommon-1.0.16.jar" />
 			<zipfileset src="lib/jfreechart-1.0.13.jar" />
 			<zipfileset src="lib/iText-5.0.2.jar" />
+			<zipfileset src="lib/opencsv-2.3.jar" />
 		</jar>
 	</target>
 	

core/doc/techdoc/figures/motors/staged

@@ -0,0 +1,44 @@
+#FIG 3.2  Produced by xfig version 3.2.5
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core/resources/datafiles/bodytubepresets.csv

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+Semroc,ST-16161,4.064,4.1656,40.958
+Semroc,ST-16163,4.064,4.1656,41.275
+Semroc,ST-16180,4.064,4.1656,45.72
+Semroc,ST-1817,4.572,4.6736,4.318
+Semroc,ST-1830,4.572,4.6736,7.62
+Semroc,ST-1844,4.572,4.6736,11.113
+Semroc,ST-1860,4.572,4.6736,15.24
+Semroc,ST-1890,4.572,4.6736,22.86
+Semroc,ST-18120,4.572,4.6736,30.48
+Semroc,ST-18180,4.572,4.6736,45.72
+Semroc,ST-2030,5.08,5.1816,7.62
+Semroc,ST-2050,5.08,5.1816,12.7
+Semroc,ST-2060,5.08,5.1816,15.24
+Semroc,ST-2090,5.08,5.1816,22.86
+Semroc,ST-2098,5.08,5.1816,24.892
+Semroc,ST-20120,5.08,5.1816,30.48
+Semroc,ST-20128,5.08,5.1816,32.512
+Semroc,ST-20140,5.08,5.1816,35.56
+Semroc,ST-20145,5.08,5.1816,36.83
+Semroc,ST-20180,5.08,5.1816,45.72
+Semroc,ST-27014,6.792,6.858,3.505
+Semroc,ST-27180,6.792,6.858,45.72
+Semroc,ST-3630,9.144,9.3726,7.62
+Semroc,LT-08580,2.1971,2.4003,20.32
+Semroc,LT-085160,2.1971,2.4003,40.64
+Semroc,LT-085220,2.1971,2.4003,55.88
+Semroc,LT-085300,2.1971,2.4003,76.2
+Semroc,LT-11530,2.8956,3.0988,7.62
+Semroc,LT-11535,2.8956,3.0988,8.89
+Semroc,LT-11550,2.8956,3.0988,12.7
+Semroc,LT-11555,2.8956,3.0988,13.97
+Semroc,LT-11560,2.8956,3.0988,15.24
+Semroc,LT-11575,2.8956,3.0988,19.05
+Semroc,LT-11580,2.8956,3.0988,20.32
+Semroc,LT-115109,2.8956,3.0988,27.686
+Semroc,LT-115160,2.8956,3.0988,40.64
+Semroc,LT-115160S4,2.8956,3.0988,40.64
+Semroc,LT-115170,2.8956,3.0988,43.18
+Semroc,LT-115180,2.8956,3.0988,45.72
+Semroc,LT-115220,2.8956,3.0988,55.88
+Semroc,LT-115300,2.8956,3.0988,76.2
+Semroc,LT-12580,3.175,3.4036,20.32
+Semroc,LT-125122,3.175,3.4036,30.988
+Semroc,LT-125122S3,3.175,3.4036,30.988
+Semroc,LT-125150,3.175,3.4036,38.1
+Semroc,LT-125150S4,3.175,3.4036,38.1
+Semroc,LT-125157S4,3.175,3.4036,39.878
+Semroc,LT-125220,3.175,3.4036,55.88
+Semroc,LT-125220S4,3.175,3.4036,55.88
+Semroc,LT-125300,3.175,3.4036,76.2
+Semroc,LT-15080,3.81,4.0386,20.32
+Semroc,LT-150220,3.81,4.0386,55.88
+Semroc,LT-150300,3.81,4.0386,76.2
+Semroc,LT-150300S3,3.81,4.0386,76.2
+Semroc,LT-17555,4.445,4.6736,13.97
+Semroc,LT-17560,4.445,4.6736,15.24
+Semroc,LT-17580,4.445,4.6736,20.32
+Semroc,LT-175120,4.445,4.6736,30.48
+Semroc,LT-175165,4.445,4.6736,41.91
+Semroc,LT-175200,4.445,4.6736,50.8
+Semroc,LT-175200S4,4.445,4.6736,50.8
+Semroc,LT-175220,4.445,4.6736,55.88
+Semroc,LT-175220S3,4.445,4.6736,55.88
+Semroc,LT-175220S4,4.445,4.6736,55.88
+Semroc,LT-175300,4.445,4.6736,76.2
+Semroc,LT-20080,5.08,5.2832,20.32
+Semroc,LT-200215,5.08,5.2832,54.61
+Semroc,LT-200220,5.08,5.2832,55.88
+Semroc,LT-200300,5.08,5.2832,76.2
+Semroc,LT-22560,5.715,5.9436,15.24
+Semroc,LT-22570,5.715,5.9436,17.78
+Semroc,LT-22580,5.715,5.9436,20.32
+Semroc,LT-225140,5.715,5.9436,35.56
+Semroc,LT-225140S4,5.715,5.9436,35.56
+Semroc,LT-225159S4,5.715,5.9436,40.386
+Semroc,LT-225187S3,5.715,5.9436,47.498
+Semroc,LT-225220,5.715,5.9436,55.88
+Semroc,LT-225220S3,5.715,5.9436,55.88
+Semroc,LT-225290S3,5.715,5.9436,73.66
+Semroc,LT-225300,5.715,5.9436,76.2
+Semroc,LT-225300S3,5.715,5.9436,76.2
+Semroc,LT-225300S3L,5.715,5.9436,76.2
+Semroc,LT-27580,6.985,7.2136,20.32
+Semroc,LT-275220,6.985,7.2136,55.88
+Semroc,LT-275300,6.985,7.2136,76.2
+Semroc,CPT-719,1.8161,1.9279,4.75
+Semroc,CPT-722,1.8161,1.9279,5.715
+Semroc,CPT-7180,1.8161,1.9279,45.72
+Semroc,CPT-825,2.1971,2.3063,6.35
+Semroc,CPT-835,2.1971,2.3063,8.89
+Semroc,CPT-8180,2.1971,2.3063,45.72
+Semroc,PST-50,2.413,2.479,45.72
+Semroc,PST-50S,2.413,2.479,10.16
+Semroc,PST-50FJ,2.413,2.479,15.24
+Semroc,PST-55,3.2588,3.3655,30.48
+Semroc,PST-55-180,3.2588,3.3655,45.72

core/resources/l10n/messages.properties

@@ -572,6 +572,7 @@ ringcompcfg.note.desc = Note: An inner tube will not affect the aerodynamics of
 
 ! Body Tube Config
 BodyTubecfg.lbl.Bodytubelength = Body tube length:
+BodyTubecfg.lbl.Bodytubepreset = Body tube preset:
 BodyTubecfg.lbl.Outerdiameter = Outer diameter:
 BodyTubecfg.lbl.Innerdiameter = Inner diameter:
 BodyTubecfg.lbl.Wallthickness = Wall thickness:

core/src/net/sf/openrocket/database/BodyTubePresetDao.java

@@ -0,0 +1,50 @@
+package net.sf.openrocket.database;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+import net.sf.openrocket.preset.ComponentPreset;
+import net.sf.openrocket.rocketcomponent.BodyTube;
+import au.com.bytecode.opencsv.CSVReader;
+
+public class BodyTubePresetDao {
+
+	private final List<ComponentPreset> templates = new ArrayList<ComponentPreset>();
+
+	// Package scope constructor to control creation pattern.
+	BodyTubePresetDao() {}
+	
+	void initialize() throws IOException {
+		
+		InputStream is = BodyTubePresetDao.class.getResourceAsStream("/datafiles/bodytubepresets.csv");
+		InputStreamReader r = new InputStreamReader(is);
+		// Create the CSV reader.  Use comma separator and double-quote escaping.  Skip first line.
+		CSVReader reader = new CSVReader(r,',','"',1);
+		String[] line;
+		while( (line = reader.readNext()) != null ) {
+			String manu = line[0];
+			String prod = line[1];
+			// inner diameter in centimeters
+			String idString = line[2];
+			double innerRadius = Double.parseDouble(idString) /100.0/2.0;
+			// outer diameter in centimeters
+			String odString = line[3];
+			double outerRadius = Double.parseDouble(odString) /100.0/2.0;
+			// length in centimeters
+			String maxLength = line[4];
+			double length = Double.parseDouble(maxLength) /100.0;
+			BodyTube bt = new BodyTube(length, outerRadius, outerRadius - innerRadius );
+			ComponentPreset preset = new ComponentPreset( manu, prod, "", bt );
+			templates.add(preset);
+		}
+		
+	}
+	
+	public List<ComponentPreset> listAll() {
+		return templates;
+	}
+	
+}

core/src/net/sf/openrocket/database/Daos.java

@@ -0,0 +1,7 @@
+package net.sf.openrocket.database;
+
+public interface Daos {
+
+	public BodyTubePresetDao getBodyTubePresetDao();
+	
+}

core/src/net/sf/openrocket/database/DaosImpl.java

@@ -0,0 +1,19 @@
+package net.sf.openrocket.database;
+
+
+public class DaosImpl implements Daos {
+
+	private BodyTubePresetDao bodyTubePresetDao;
+	
+	public DaosImpl() throws Exception {
+		bodyTubePresetDao = new BodyTubePresetDao();
+		bodyTubePresetDao.initialize();
+		
+	}
+	
+	@Override
+	public BodyTubePresetDao getBodyTubePresetDao() {
+		return bodyTubePresetDao;
+	}
+
+}

core/src/net/sf/openrocket/gui/adaptors/BodyTubePresetModel.java

@@ -0,0 +1,105 @@
+package net.sf.openrocket.gui.adaptors;
+
+import java.util.List;
+
+import javax.swing.AbstractListModel;
+import javax.swing.ComboBoxModel;
+import javax.swing.event.ListDataListener;
+
+import net.sf.openrocket.preset.ComponentPreset;
+import net.sf.openrocket.rocketcomponent.ComponentChangeEvent;
+import net.sf.openrocket.rocketcomponent.ComponentChangeListener;
+import net.sf.openrocket.rocketcomponent.RocketComponent;
+import net.sf.openrocket.startup.Application;
+
+public class BodyTubePresetModel extends AbstractListModel implements
+		ComboBoxModel, ComponentChangeListener {
+
+	private final RocketComponent component;
+
+	private List<ComponentPreset> presets;
+	
+	public BodyTubePresetModel(RocketComponent component) {
+		presets = Application.getDaos().getBodyTubePresetDao().listAll();
+		this.component = component;
+	}
+	
+	public static class BodyTubePresetAdapter {
+		private ComponentPreset bt;
+		private BodyTubePresetAdapter( ComponentPreset bt ) {
+			this.bt = bt;
+		}
+		@Override
+		public String toString() {
+			return bt.getManufacturer() + " " + bt.getPartNo();
+		}
+		@Override
+		public int hashCode() {
+			final int prime = 31;
+			int result = 1;
+			result = prime * result + ((bt == null) ? 0 : bt.hashCode());
+			return result;
+		}
+		@Override
+		public boolean equals(Object obj) {
+			if (this == obj)
+				return true;
+			if (obj == null)
+				return false;
+			if (getClass() != obj.getClass())
+				return false;
+			BodyTubePresetAdapter other = (BodyTubePresetAdapter) obj;
+			if (bt == null) {
+				if (other.bt != null)
+					return false;
+			} else if (!bt.equals(other.bt))
+				return false;
+			return true;
+		}
+	}
+	
+	@Override
+	public int getSize() {
+		return presets.size();
+	}
+
+	@Override
+	public Object getElementAt(int index) {
+		return new BodyTubePresetAdapter(presets.get(index));
+	}
+
+	@Override
+	public void addListDataListener(ListDataListener l) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void removeListDataListener(ListDataListener l) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void componentChanged(ComponentChangeEvent e) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void setSelectedItem(Object anItem) {
+		BodyTubePresetAdapter selected = (BodyTubePresetAdapter) anItem;
+		component.loadPreset(selected.bt);
+	}
+
+	@Override
+	public Object getSelectedItem() {
+		ComponentPreset preset = (ComponentPreset) component.getPresetComponent();
+		if ( preset == null ) {
+			return null;
+		} else {
+			return new BodyTubePresetAdapter(preset);
+		}
+	}
+
+}

core/src/net/sf/openrocket/gui/adaptors/DoubleModel.java

@@ -157,7 +157,8 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 		 * Use linear scale  value = linear1 * x + linear0  when x < linearPosition
 		 * Use quadratic scale  value = quad2 * x^2 + quad1 * x + quad0  otherwise
 		 */
-
+		private final boolean islinear;
+		
 		// Linear in range x <= linearPosition
 		private final double linearPosition;
 		
@@ -169,11 +170,10 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 		//private final double linear0;
 		
 		// Non-linear multiplier, exponent and constant
-		private final double quad2, quad1, quad0;
-		
-		
+		private double quad2, quad1, quad0;
 
 		public ValueSliderModel(DoubleModel min, DoubleModel max) {
+			this.islinear = true;
 			linearPosition = 1.0;
 			
 			this.min = min;
@@ -192,6 +192,7 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 		 * Generate a linear model from min to max.
 		 */
 		public ValueSliderModel(double min, double max) {
+			this.islinear = true;
 			linearPosition = 1.0;
 			
 			this.min = new DoubleModel(min);
@@ -205,6 +206,10 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 			this(min, 0.5, mid, max);
 		}
 		
+		public ValueSliderModel(double min, double mid, DoubleModel max) {
+			this(min, 0.5, mid, max);
+		}
+
 		/*
 		 * v(x)  = mul * x^exp + add
 		 * 
@@ -212,33 +217,46 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 		 * v(1)    = mul + add = max
 		 * v'(pos) = mul*exp * pos^(exp-1) = linearMul
 		 */
-		public ValueSliderModel(double min, double pos, double mid, double max) {
+		public ValueSliderModel(double min, double pos, double mid, double max ) {
+			this(min, pos, mid, new DoubleModel(max));
+		}
+		public ValueSliderModel(double min, double pos, double mid, DoubleModel max) {
 			this.min = new DoubleModel(min);
 			this.mid = new DoubleModel(mid);
-			this.max = new DoubleModel(max);
-			
+			this.max = max;
 
+			this.islinear = false;
+			
+			max.addChangeListener(this);
+			
 			linearPosition = pos;
 			//linear0 = min;
 			//linear1 = (mid-min)/pos;
 			
-			if (!(min < mid && mid <= max && 0 < pos && pos < 1)) {
+			if (!(min < mid && mid <= max.getValue() && 0 < pos && pos < 1)) {
 				throw new IllegalArgumentException("Bad arguments for ValueSliderModel " +
 						"min=" + min + " mid=" + mid + " max=" + max + " pos=" + pos);
 			}
 			
+			updateExponentialParameters();
+			
+		}
+		
+		private void updateExponentialParameters() {
+			double pos = this.linearPosition;
+			double minValue = this.min.getValue();
+			double midValue = this.mid.getValue();
+			double maxValue = this.max.getValue();
 			/*
 			 * quad2..0 are calculated such that
 			 *   f(pos)  = mid      - continuity
 			 *   f(1)    = max      - end point
 			 *   f'(pos) = linear1  - continuity of derivative
 			 */
-
-			double delta = (mid - min) / pos;
-			quad2 = (max - mid - delta + delta * pos) / pow2(pos - 1);
-			quad1 = (delta + 2 * (mid - max) * pos - delta * pos * pos) / pow2(pos - 1);
-			quad0 = (mid - (2 * mid + delta) * pos + (max + delta) * pos * pos) / pow2(pos - 1);
-			
+			double delta = (midValue - minValue) / pos;
+			quad2 = (maxValue - midValue - delta + delta * pos) / pow2(pos - 1);
+			quad1 = (delta + 2 * (midValue - maxValue) * pos - delta * pos * pos) / pow2(pos - 1);
+			quad0 = (midValue - (2 * midValue + delta) * pos + (maxValue + delta) * pos * pos) / pow2(pos - 1);
 		}
 		
 		private double pow2(double x) {
@@ -366,6 +384,11 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 		@Override
 		public void stateChanged(EventObject e) {
 			// Min or max range has changed.
+			if ( !islinear ) {
+				double midValue = (max.getValue() - min.getValue()) /3.0;
+				mid.setValue(midValue);
+				updateExponentialParameters();
+			}
 			// Fire if not already firing
 			if (firing == 0)
 				fireStateChanged();
@@ -385,6 +408,10 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 		return new ValueSliderModel(min, mid, max);
 	}
 	
+	public BoundedRangeModel getSliderModel(double min, double mid, DoubleModel max) {
+		return new ValueSliderModel(min, mid, max);
+	}
+	
 	public BoundedRangeModel getSliderModel(double min, double pos, double mid, double max) {
 		return new ValueSliderModel(min, pos, mid, max);
 	}
@@ -516,7 +543,7 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 	private Unit currentUnit;
 	
 	private final double minValue;
-	private final double maxValue;
+	private double maxValue;
 	
 	private String toString = null;
 	
@@ -725,7 +752,6 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 		}
 	}
 	
-	
 	/**
 	 * Returns whether setting the value automatically is available.
 	 */

core/src/net/sf/openrocket/gui/configdialog/BodyTubeConfig.java

@@ -2,6 +2,7 @@ package net.sf.openrocket.gui.configdialog;
 
 
 import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JSpinner;
@@ -9,6 +10,7 @@ import javax.swing.JSpinner;
 import net.miginfocom.swing.MigLayout;
 import net.sf.openrocket.document.OpenRocketDocument;
 import net.sf.openrocket.gui.SpinnerEditor;
+import net.sf.openrocket.gui.adaptors.BodyTubePresetModel;
 import net.sf.openrocket.gui.adaptors.BooleanModel;
 import net.sf.openrocket.gui.adaptors.DoubleModel;
 import net.sf.openrocket.gui.components.BasicSlider;
@@ -16,12 +18,15 @@ import net.sf.openrocket.gui.components.UnitSelector;
 import net.sf.openrocket.l10n.Translator;
 import net.sf.openrocket.material.Material;
 import net.sf.openrocket.rocketcomponent.BodyTube;
+import net.sf.openrocket.rocketcomponent.ComponentChangeEvent;
+import net.sf.openrocket.rocketcomponent.ComponentChangeListener;
 import net.sf.openrocket.rocketcomponent.RocketComponent;
 import net.sf.openrocket.startup.Application;
 import net.sf.openrocket.unit.UnitGroup;
 
 public class BodyTubeConfig extends RocketComponentConfig {
 	
+	private ComponentChangeListener listener;
 	private MotorConfig motorConfigPane = null;
 	private static final Translator trans = Application.getTranslator();
 	
@@ -30,17 +35,25 @@ public class BodyTubeConfig extends RocketComponentConfig {
 		
 		JPanel panel = new JPanel(new MigLayout("gap rel unrel", "[][65lp::][30lp::][]", ""));
 		
+		////  Body tube template
+		panel.add( new JLabel(trans.get("BodyTubecfg.lbl.Bodytubepreset")) );
+		{
+		JComboBox combo = new JComboBox(new BodyTubePresetModel(component));
+		panel.add(combo, "wrap");
+		}
+		
 		////  Body tube length
 		panel.add(new JLabel(trans.get("BodyTubecfg.lbl.Bodytubelength")));
 		
-		DoubleModel m = new DoubleModel(component, "Length", UnitGroup.UNITS_LENGTH, 0);
+		final DoubleModel maxLength = new DoubleModel(2.0);
+		DoubleModel length = new DoubleModel(component, "Length", UnitGroup.UNITS_LENGTH, 0);
 		
-		JSpinner spin = new JSpinner(m.getSpinnerModel());
+		JSpinner spin = new JSpinner(length.getSpinnerModel());
 		spin.setEditor(new SpinnerEditor(spin));
 		panel.add(spin, "growx");
 		
-		panel.add(new UnitSelector(m), "growx");
-		panel.add(new BasicSlider(m.getSliderModel(0, 0.5, 2.0)), "w 100lp, wrap");
+		panel.add(new UnitSelector(length), "growx");
+		panel.add(new BasicSlider(length.getSliderModel(0, 0.5, maxLength)), "w 100lp, wrap");
 		
 
 		//// Body tube diameter
@@ -66,7 +79,7 @@ public class BodyTubeConfig extends RocketComponentConfig {
 		panel.add(new JLabel(trans.get("BodyTubecfg.lbl.Innerdiameter")));
 		
 		// Diameter = 2*Radius
-		m = new DoubleModel(component, "InnerRadius", 2, UnitGroup.UNITS_LENGTH, 0);
+		DoubleModel m = new DoubleModel(component, "InnerRadius", 2, UnitGroup.UNITS_LENGTH, 0);
 		
 
 		spin = new JSpinner(m.getSpinnerModel());
@@ -107,6 +120,29 @@ public class BodyTubeConfig extends RocketComponentConfig {
 		tabbedPane.insertTab(trans.get("BodyTubecfg.tab.Motor"), null, motorConfigPane,
 				trans.get("BodyTubecfg.tab.Motormountconf"), 1);
 		tabbedPane.setSelectedIndex(0);
+		
+		// need to work in the max length for body tubes based on presets...
+		BodyTube bt = (BodyTube) component;
+		if ( bt.getPresetComponent() != null ) {
+			BodyTube btPreset = (BodyTube) bt.getPresetComponent().getPrototype();
+			maxLength.setValue( btPreset.getLength() );
+		}
+
+		listener = new ComponentChangeListener() {
+
+			@Override
+			public void componentChanged(ComponentChangeEvent e) {
+				BodyTube bt = (BodyTube) component;
+				if ( bt.getPresetComponent() != null ) {
+					BodyTube btPreset = (BodyTube) bt.getPresetComponent().getPrototype();
+					maxLength.setValue(btPreset.getLength());
+				}
+				
+			}
+			
+		};
+		component.addChangeListener(listener);
+		
 	}
 	
 	@Override
@@ -115,5 +151,11 @@ public class BodyTubeConfig extends RocketComponentConfig {
 		if (motorConfigPane != null)
 			motorConfigPane.updateFields();
 	}
+
+	@Override
+	public void invalidateModels() {
+		super.invalidateModels();
+		component.removeChangeListener(listener);
+	}
 	
 }

core/src/net/sf/openrocket/preset/ComponentPreset.java

@@ -1,8 +1,8 @@
 package net.sf.openrocket.preset;
 
-import net.sf.openrocket.motor.Manufacturer;
 import net.sf.openrocket.rocketcomponent.RocketComponent;
 
+
 /**
  * A model for a preset component.
  * <p>
@@ -11,63 +11,63 @@ import net.sf.openrocket.rocketcomponent.RocketComponent;
  * 
  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  */
-public abstract class ComponentPreset {
-	
-	private final Manufacturer manufacturer;
+public class ComponentPreset {
+
+
+	private final String manufacturer;
 	private final String partNo;
 	private final String partDescription;
 	private final RocketComponent prototype;
-	
-	
-	public ComponentPreset(Manufacturer manufacturer, String partNo, String partDescription,
-			RocketComponent prototype) {
+
+
+	public ComponentPreset(String manufacturer, String partNo, String partDescription, RocketComponent prototype) {
 		this.manufacturer = manufacturer;
 		this.partNo = partNo;
 		this.partDescription = partDescription;
 		this.prototype = prototype.copy();
-		
+
 		if (prototype.getParent() != null) {
 			throw new IllegalArgumentException("Prototype component cannot have a parent");
 		}
 		if (prototype.getChildCount() > 0) {
 			throw new IllegalArgumentException("Prototype component cannot have children");
 		}
+
 	}
-	
-	
+
 	/**
 	 * Return the component class that this preset defines.
 	 */
 	public Class<? extends RocketComponent> getComponentClass() {
 		return prototype.getClass();
 	}
-	
+
 	/**
 	 * Return the manufacturer of this preset component.
 	 */
-	public Manufacturer getManufacturer() {
+	public String getManufacturer() {
 		return manufacturer;
 	}
-	
+
 	/**
 	 * Return the part number.  This is the part identifier (e.g. "BT-50").
 	 */
 	public String getPartNo() {
 		return partNo;
 	}
-	
+
 	/**
 	 * Return the part description.  This is a longer description of the component.
 	 */
 	public String getPartDescription() {
 		return partDescription;
 	}
-	
+
 	/**
 	 * Return a prototype component.  This component may be modified freely.
 	 */
 	public RocketComponent getPrototype() {
 		return prototype.copy();
 	}
-	
+
 }

core/src/net/sf/openrocket/rocketcomponent/BodyTube.java

@@ -135,13 +135,16 @@ public class BodyTube extends SymmetricComponent implements MotorMount, Coaxial
 	
 	@Override
 	protected void loadFromPreset(RocketComponent preset) {
-		BodyTube c = (BodyTube) preset;
-		this.setOuterRadius(c.getOuterRadius());
-		
 		super.loadFromPreset(preset);
+		BodyTube bt = (BodyTube) preset;
+		this.autoRadius = false;
+		this.outerRadius = bt.getOuterRadius();
+		this.thickness = (bt.getOuterRadius() - bt.getInnerRadius());
+		this.length = bt.getLength();
+
+		fireComponentChangeEvent(ComponentChangeEvent.MASS_CHANGE);
+		
 	}
-	
-	
 	@Override
 	public double getAftRadius() {
 		return getOuterRadius();

core/src/net/sf/openrocket/rocketcomponent/ExternalComponent.java

@@ -17,7 +17,7 @@ import net.sf.openrocket.unit.UnitGroup;
  */
 
 public abstract class ExternalComponent extends RocketComponent {
-	
+
 	public enum Finish {
 		//// Rough
 		ROUGH("ExternalComponent.Rough", 500e-6),
@@ -29,35 +29,35 @@ public abstract class ExternalComponent extends RocketComponent {
 		SMOOTH("ExternalComponent.Smoothpaint", 20e-6),
 		//// Polished
 		POLISHED("ExternalComponent.Polished", 2e-6);
-		
+
 		private static final Translator trans = Application.getTranslator();
 		private final String name;
 		private final double roughnessSize;
-		
+
 		Finish(String name, double roughness) {
 			this.name = name;
 			this.roughnessSize = roughness;
 		}
-		
+
 		public double getRoughnessSize() {
 			return roughnessSize;
 		}
-		
+
 		@Override
 		public String toString() {
 			return trans.get(name) + " (" + UnitGroup.UNITS_ROUGHNESS.toStringUnit(roughnessSize) + ")";
 		}
 	}
-	
-	
+
+
 	/**
 	 * The material of the component.
 	 */
 	protected Material material = null;
-	
+
 	protected Finish finish = Finish.NORMAL;
-	
-	
+
+
 
 	/**
 	 * Constructor that sets the relative position of the component.
@@ -66,13 +66,13 @@ public abstract class ExternalComponent extends RocketComponent {
 		super(relativePosition);
 		this.material = Application.getPreferences().getDefaultComponentMaterial(this.getClass(), Material.Type.BULK);
 	}
-	
+
 	/**
 	 * Returns the volume of the component.  This value is used in calculating the mass
 	 * of the object.
 	 */
 	public abstract double getComponentVolume();
-	
+
 	/**
 	 * Calculates the mass of the component as the product of the volume and interior density.
 	 */
@@ -80,7 +80,7 @@ public abstract class ExternalComponent extends RocketComponent {
 	public double getComponentMass() {
 		return material.getDensity() * getComponentVolume();
 	}
-	
+
 	/**
 	 * ExternalComponent has aerodynamic effect, so return true.
 	 */
@@ -88,7 +88,7 @@ public abstract class ExternalComponent extends RocketComponent {
 	public boolean isAerodynamic() {
 		return true;
 	}
-	
+
 	/**
 	 * ExternalComponent has effect on the mass, so return true.
 	 */
@@ -96,18 +96,18 @@ public abstract class ExternalComponent extends RocketComponent {
 	public boolean isMassive() {
 		return true;
 	}
-	
-	
+
+
 	public Material getMaterial() {
 		return material;
 	}
-	
+
 	public void setMaterial(Material mat) {
 		if (mat.getType() != Material.Type.BULK) {
 			throw new IllegalArgumentException("ExternalComponent requires a bulk material" +
 					" type=" + mat.getType());
 		}
-		
+
 		if (material.equals(mat))
 			return;
 		material = mat;
@@ -115,29 +115,31 @@ public abstract class ExternalComponent extends RocketComponent {
 		fireComponentChangeEvent(ComponentChangeEvent.MASS_CHANGE);
 		clearPreset();
 	}
-	
+
 	public Finish getFinish() {
 		return finish;
 	}
-	
+
 	public void setFinish(Finish finish) {
 		if (this.finish == finish)
 			return;
 		this.finish = finish;
 		fireComponentChangeEvent(ComponentChangeEvent.AERODYNAMIC_CHANGE);
 	}
-	
-	
+
+
 	@Override
 	protected void loadFromPreset(RocketComponent preset) {
 		super.loadFromPreset(preset);
-		
+
 		// Surface finish is left unchanged
-		
+
 		ExternalComponent c = (ExternalComponent) preset;
-		
+
 		Material mat = c.getMaterial();
-		if (c.isMassOverridden()) {
+		if ( mat != null ) {
+			setMaterial(mat);
+		} else if (c.isMassOverridden()) {
 			double mass = c.getOverrideMass();
 			double volume = getComponentVolume();
 			double density;
@@ -147,12 +149,11 @@ public abstract class ExternalComponent extends RocketComponent {
 				density = 1000;
 			}
 			mat = Material.newMaterial(Type.BULK, mat.getName(), density, true);
+			setMaterial(mat);
 		}
-		
-		setMaterial(mat);
 	}
-	
-	
+
+
 	@Override
 	protected List<RocketComponent> copyFrom(RocketComponent c) {
 		ExternalComponent src = (ExternalComponent) c;
@@ -160,5 +161,5 @@ public abstract class ExternalComponent extends RocketComponent {
 		this.material = src.material;
 		return super.copyFrom(c);
 	}
-	
+
 }

core/src/net/sf/openrocket/startup/Application.java

@@ -1,5 +1,6 @@
 package net.sf.openrocket.startup;
 
+import net.sf.openrocket.database.Daos;
 import net.sf.openrocket.database.MotorDatabase;
 import net.sf.openrocket.l10n.ClassBasedTranslator;
 import net.sf.openrocket.l10n.DebugTranslator;
@@ -23,6 +24,8 @@ public final class Application {
 	private static Translator baseTranslator = new DebugTranslator(null);
 	
 	private static MotorDatabase motorSetDatabase;
+	
+	private static Daos daos;
 
 	private static Preferences preferences;
 	
@@ -159,6 +162,14 @@ public final class Application {
 	public static void setMotorSetDatabase(MotorDatabase motorSetDatabase) {
 		Application.motorSetDatabase = motorSetDatabase;
 	}
+
+	public static Daos getDaos() {
+		return daos;
+	}
+
+	public static void setDaos(Daos daos) {
+		Application.daos = daos;
+	}
 	
 
 }

core/src/net/sf/openrocket/startup/Startup.java

@@ -4,6 +4,7 @@ import java.io.PrintStream;
 import java.util.Locale;
 import java.util.prefs.Preferences;
 
+import net.sf.openrocket.database.DaosImpl;
 import net.sf.openrocket.gui.util.SwingPreferences;
 import net.sf.openrocket.l10n.DebugTranslator;
 import net.sf.openrocket.l10n.L10N;
@@ -52,6 +53,8 @@ public class Startup {
 		
 		Application.setPreferences( new SwingPreferences() );
 		
+		Application.setDaos( new DaosImpl() );
+		
 		// Setup the translations
 		initializeL10n();