Merge remote-tracking branch 'plaa/kruland-integration' into

kruland-integration-defaults

Conflicts:
	core/src/net/sf/openrocket/gui/scalefigure/RocketPanel.java

core/src/net/sf/openrocket/appearance/defaults/ResourceDecalImage.java

@@ -4,6 +4,7 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.EventListener;
 
 import net.sf.openrocket.appearance.DecalImage;
 import net.sf.openrocket.document.Attachment;
@@ -42,4 +43,14 @@ class ResourceDecalImage implements DecalImage {
 		return this.hashCode() - a.hashCode();
 	}
 	
+	@Override
+	public void addChangeListener(EventListener listener) {
+		//Unimplemented, this can not change
+	}
+	
+	@Override
+	public void removeChangeListener(EventListener listener) {
+		//Unimplemented, this can not change
+	}
+	
 }

core/src/net/sf/openrocket/document/Attachment.java

@@ -4,7 +4,9 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 
-public interface Attachment extends Comparable<Attachment> {
+import net.sf.openrocket.util.ChangeSource;
+
+public interface Attachment extends Comparable<Attachment>, ChangeSource {
 	
 	public abstract String getName();
 	

core/src/net/sf/openrocket/document/DecalRegistry.java

@@ -11,6 +11,7 @@ import java.io.InputStream;
 import java.io.OutputStream;
 import java.text.MessageFormat;
 import java.util.Collection;
+import java.util.EventListener;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
@@ -19,7 +20,11 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import net.sf.openrocket.appearance.DecalImage;
+import net.sf.openrocket.document.attachments.BaseAttachment;
 import net.sf.openrocket.document.attachments.FileSystemAttachment;
+import net.sf.openrocket.gui.watcher.FileWatcher;
+import net.sf.openrocket.gui.watcher.WatchEvent;
+import net.sf.openrocket.gui.watcher.WatchService;
 import net.sf.openrocket.logging.LogHelper;
 import net.sf.openrocket.startup.Application;
 import net.sf.openrocket.util.BugException;
@@ -28,12 +33,33 @@ import net.sf.openrocket.util.FileUtils;
 public class DecalRegistry {
 	private static LogHelper log = Application.getLogger();
 	
-	DecalRegistry() {
+	private WatchService watchService = Application.getWatchService();
 	
+	DecalRegistry() {
 	}
 	
 	private Map<String, DecalImageImpl> registeredDecals = new HashMap<String, DecalImageImpl>();
 	
+	public DecalImage makeUniqueImage(DecalImage original) {
+		
+		if (!(original instanceof DecalImageImpl)) {
+			return original;
+		}
+		
+		DecalImageImpl o = (DecalImageImpl) original;
+		
+		DecalImageImpl newDecal = o.clone();
+		
+		String newName = makeUniqueName(o.getName());
+		
+		newDecal.name = newName;
+		
+		registeredDecals.put(newName, newDecal);
+		
+		return newDecal;
+		
+	}
+	
 	public DecalImage getDecalImage(Attachment attachment) {
 		String decalName = attachment.getName();
 		DecalImageImpl d;
@@ -73,7 +99,7 @@ public class DecalRegistry {
 		return decals;
 	}
 	
-	public class DecalImageImpl implements DecalImage {
+	public class DecalImageImpl implements DecalImage, Cloneable {
 		
 		private final Attachment delegate;
 		
@@ -94,15 +120,61 @@ public class DecalRegistry {
 			return name != null ? name : delegate.getName();
 		}
 		
+		/**
+		* This function returns an InputStream backed by a byte[] containing the decal pixels.
+		* If it reads in the bytes from an actual file, the underlying file is closed.
+		* 
+		* @return InputStream containing byte[] of the image
+		* @throws FileNotFoundException
+		* @throws IOException
+		 */
 		@Override
 		public InputStream getBytes() throws FileNotFoundException, IOException {
-			return DecalRegistry.getDecal(this);
+			// First check if the decal is located on the file system
+			File exportedFile = getFileSystemLocation();
+			if (exportedFile != null) {
+				InputStream rawIs = new FileInputStream(exportedFile);
+				try {
+					byte[] bytes = FileUtils.readBytes(rawIs);
+					return new ByteArrayInputStream(bytes);
+				} finally {
+					rawIs.close();
+				}
+				
+			}
+			
+			return delegate.getBytes();
 		}
 		
 		@Override
 		public void exportImage(File file, boolean watchForChanges) throws IOException {
-			DecalRegistry.exportDecal(this, file);
+			try {
+				InputStream is = getBytes();
+				OutputStream os = new BufferedOutputStream(new FileOutputStream(file));
+				
+				FileUtils.copy(is, os);
+				
+				is.close();
+				os.close();
+				
 				this.fileSystemLocation = file;
+				
+				if (watchForChanges) {
+					watchService.register(new FileWatcher(this.fileSystemLocation) {
+						
+						@Override
+						public void handleEvent(WatchEvent evt) {
+							((BaseAttachment) DecalImageImpl.this.delegate).fireChangeEvent();
+							System.out.println(this.getFile() + " has changed");
+							
+						}
+						
+					});
+				}
+				
+			} catch (IOException iex) {
+				throw new BugException(iex);
+			}
 		}
 		
 		File getFileSystemLocation() {
@@ -126,50 +198,24 @@ public class DecalRegistry {
 			return getName().compareTo(o.getName());
 		}
 		
+		@Override
+		protected DecalImageImpl clone() {
+			DecalImageImpl clone = new DecalImageImpl(this.delegate);
+			clone.fileSystemLocation = this.fileSystemLocation;
+			
+			return clone;
 		}
 		
-	/**
+		@Override
-	 * This function returns an InputStream backed by a byte[] containing the decal pixels.
+		public void addChangeListener(EventListener listener) {
-	 * If it reads in the bytes from an actual file, the underlying file is closed.
+			delegate.addChangeListener(listener);
-	 * 
-	 * @param name
-	 * @return
-	 * @throws FileNotFoundException
-	 * @throws IOException
-	 */
-	private static InputStream getDecal(DecalImageImpl decal) throws FileNotFoundException, IOException {
-		
-		// First check if the decal is located on the file system
-		File exportedFile = decal.getFileSystemLocation();
-		if (exportedFile != null) {
-			InputStream rawIs = new FileInputStream(exportedFile);
-			try {
-				byte[] bytes = FileUtils.readBytes(rawIs);
-				return new ByteArrayInputStream(bytes);
-			} finally {
-				rawIs.close();
 		}
 		
+		@Override
+		public void removeChangeListener(EventListener listener) {
+			delegate.removeChangeListener(listener);
 		}
 		
-		return decal.delegate.getBytes();
-		
-	}
-	
-	private static void exportDecal(DecalImageImpl decal, File selectedFile) throws IOException {
-		
-		try {
-			InputStream is = decal.getBytes();
-			OutputStream os = new BufferedOutputStream(new FileOutputStream(selectedFile));
-			
-			FileUtils.copy(is, os);
-			
-			is.close();
-			os.close();
-			
-		} catch (IOException iex) {
-			throw new BugException(iex);
-		}
 		
 	}
 	
@@ -203,14 +249,17 @@ public class DecalRegistry {
 	 * group(3) = "null"
 	 * group(4) = "png"
 	 */
-	private static final Pattern fileNamePattern = Pattern.compile("(.*?)( \\((\\d+)\\)\\)?+)?\\.(\\w*)");
+	private static final Pattern fileNamePattern = Pattern.compile("(.*?)( \\((\\d+)\\)+)?\\.(\\w*)");
 	private static final int BASE_NAME_INDEX = 1;
 	private static final int NUMBER_INDEX = 3;
 	private static final int EXTENSION_INDEX = 4;
 	
 	private String makeUniqueName(String name) {
 		
-		String newName = "decals/" + name;
+		String newName = name;
+		if (!newName.startsWith("decals/")) {
+			newName = "decals/" + name;
+		}
 		String basename = "";
 		String extension = "";
 		Matcher nameMatcher = fileNamePattern.matcher(newName);

core/src/net/sf/openrocket/document/OpenRocketDocument.java

@@ -3,11 +3,14 @@ package net.sf.openrocket.document;
 import java.io.File;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
+import net.sf.openrocket.appearance.Appearance;
+import net.sf.openrocket.appearance.Decal;
 import net.sf.openrocket.appearance.DecalImage;
 import net.sf.openrocket.document.events.DocumentChangeEvent;
 import net.sf.openrocket.document.events.DocumentChangeListener;
@@ -18,6 +21,7 @@ import net.sf.openrocket.rocketcomponent.ComponentChangeEvent;
 import net.sf.openrocket.rocketcomponent.ComponentChangeListener;
 import net.sf.openrocket.rocketcomponent.Configuration;
 import net.sf.openrocket.rocketcomponent.Rocket;
+import net.sf.openrocket.rocketcomponent.RocketComponent;
 import net.sf.openrocket.simulation.FlightDataType;
 import net.sf.openrocket.simulation.customexpression.CustomExpression;
 import net.sf.openrocket.simulation.listeners.SimulationListener;
@@ -206,6 +210,31 @@ public class OpenRocketDocument implements ComponentChangeListener {
 		
 	}
 	
+	public int countDecalUsage(DecalImage img) {
+		int count = 0;
+		
+		Iterator<RocketComponent> it = rocket.iterator();
+		while (it.hasNext()) {
+			RocketComponent comp = it.next();
+			Appearance a = comp.getAppearance();
+			if (a == null) {
+				continue;
+			}
+			Decal d = a.getTexture();
+			if (d == null) {
+				continue;
+			}
+			if (img.equals(d.getImage())) {
+				count++;
+			}
+		}
+		return count;
+	}
+	
+	public DecalImage makeUniqueDecal(DecalImage img) {
+		return decalRegistry.makeUniqueImage(img);
+	}
+	
 	public DecalImage getDecalImage(Attachment a) {
 		return decalRegistry.getDecalImage(a);
 	}

core/src/net/sf/openrocket/document/attachments/BaseAttachment.java

@@ -5,8 +5,9 @@ import java.io.IOException;
 import java.io.InputStream;
 
 import net.sf.openrocket.document.Attachment;
+import net.sf.openrocket.util.AbstractChangeSource;
 
-public abstract class BaseAttachment implements Attachment {
+public abstract class BaseAttachment extends AbstractChangeSource implements Attachment {
 	
 	private final String name;
 	
@@ -36,5 +37,9 @@ public abstract class BaseAttachment implements Attachment {
 		return getName();
 	}
 	
+	@Override
+	public void fireChangeEvent() {
+		super.fireChangeEvent();
+	}
 	
 }

core/src/net/sf/openrocket/file/AttachmentUtils.java

@@ -0,0 +1,25 @@
+package net.sf.openrocket.file;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import net.sf.openrocket.document.Attachment;
+import net.sf.openrocket.util.FileUtils;
+
+public abstract class AttachmentUtils {
+	
+	public static void exportAttachment(Attachment a, File outFile) throws IOException {
+		InputStream is = a.getBytes();
+		OutputStream os = new BufferedOutputStream(new FileOutputStream(outFile));
+		
+		FileUtils.copy(is, os);
+		
+		is.close();
+		os.close();
+		
+	}
+}

core/src/net/sf/openrocket/gui/ExportDecalDialog.java

@@ -16,6 +16,7 @@ import javax.swing.JPanel;
 import net.miginfocom.swing.MigLayout;
 import net.sf.openrocket.appearance.DecalImage;
 import net.sf.openrocket.document.OpenRocketDocument;
+import net.sf.openrocket.file.AttachmentUtils;
 import net.sf.openrocket.gui.util.SwingPreferences;
 import net.sf.openrocket.l10n.Translator;
 import net.sf.openrocket.startup.Application;
@@ -78,10 +79,10 @@ public class ExportDecalDialog extends JDialog {
 	private void export(DecalImage decal, File selectedFile) {
 		
 		try {
-			decal.exportImage(selectedFile, false);
+			AttachmentUtils.exportAttachment(decal, selectedFile);
 		} catch (IOException iex) {
+			// FIXME - probably want a simple user dialog here since FileIO is not really a bug.
 			throw new BugException(iex);
 		}
 	}
-	
 }

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

@@ -244,7 +244,7 @@ public class AppearancePanel extends JPanel {
 			ab.addChangeListener(new StateChangeListener() {
 				@Override
 				public void stateChanged(EventObject e) {
-					editBtn.setEnabled(ab.getImage() == null);
+					editBtn.setEnabled(ab.getImage() != null);
 				}
 			});
 			editBtn.addActionListener(new ActionListener() {
@@ -252,7 +252,7 @@ public class AppearancePanel extends JPanel {
 				@Override
 				public void actionPerformed(ActionEvent e) {
 					try {
-						EditDecalHelper.editDecal(SwingUtilities.getWindowAncestor(AppearancePanel.this), ab.getImage());
+						EditDecalHelper.editDecal(SwingUtilities.getWindowAncestor(AppearancePanel.this), document, c, ab.getImage());
 					} catch (IOException ex) {
 						throw new BugException(ex);
 					}

core/src/net/sf/openrocket/gui/dialogs/EditDecalDialog.java

@@ -34,12 +34,14 @@ public class EditDecalDialog extends JDialog {
 	private JCheckBox savePref;
 	
 	private boolean isCancel = false;
+	private boolean editOne = true;
 	
-	public EditDecalDialog(final Window owner) {
+	public EditDecalDialog(final Window owner, boolean promptForEditor, int usageCount) {
 		super(owner, trans.get("EditDecalDialog.title"), Dialog.ModalityType.APPLICATION_MODAL);
 		
 		JPanel panel = new JPanel(new MigLayout("fill, ins para"));
 		
+		if (promptForEditor) {
 			JLabel selectLbl = new JLabel(trans.get("EditDecalDialog.lbl.select"));
 			panel.add(selectLbl, "gapright, wrap");
 			
@@ -48,7 +50,7 @@ public class EditDecalDialog extends JDialog {
 			if (Desktop.getDesktop().isSupported(Desktop.Action.EDIT)) {
 				
 				systemRadio = new JRadioButton(trans.get("EditDecalDialog.lbl.system"));
-			systemRadio.setSelected(false);
+				systemRadio.setSelected(true);
 				panel.add(systemRadio, "wrap");
 				execGroup.add(systemRadio);
 				
@@ -113,9 +115,30 @@ public class EditDecalDialog extends JDialog {
 				panel.add(chooser, "growx, wrap");
 				
 			}
+		}
 		
+		if (usageCount > 1) {
+			ButtonGroup bg = new ButtonGroup();
+			final JRadioButton justThisOne = new JRadioButton("just this one", true);
+			justThisOne.addChangeListener(new ChangeListener() {
+				
+				@Override
+				public void stateChanged(ChangeEvent e) {
+					EditDecalDialog.this.editOne = justThisOne.isSelected();
+				}
+				
+			});
+			panel.add(justThisOne, "left");
+			bg.add(justThisOne);
+			JRadioButton all = new JRadioButton("all", false);
+			panel.add(all, "gapleft para, right, wrap");
+			bg.add(all);
+		}
+		
+		if (promptForEditor) {
 			savePref = new JCheckBox(trans.get("EditDecalDialog.lbl.always"));
 			panel.add(savePref, "wrap");
+		}
 		
 		// OK / Cancel buttons
 		JButton okButton = new JButton(trans.get("dlg.but.ok"));
@@ -142,7 +165,6 @@ public class EditDecalDialog extends JDialog {
 		GUIUtil.rememberWindowSize(this);
 		GUIUtil.setDisposableDialogOptions(this, okButton);
 		
-		
 	}
 	
 	public boolean isCancel() {
@@ -161,6 +183,10 @@ public class EditDecalDialog extends JDialog {
 		return commandText.getText();
 	}
 	
+	public boolean isEditOne() {
+		return editOne;
+	}
+	
 	public void ok() {
 		isCancel = false;
 		this.setVisible(false);
@@ -172,4 +198,3 @@ public class EditDecalDialog extends JDialog {
 	}
 	
 }
-

core/src/net/sf/openrocket/gui/figure3d/FigureRenderer.java

@@ -123,6 +123,10 @@ public class FigureRenderer extends RocketRenderer {
 		cr.renderGeometry(gl, c);
 	}
 	
+	@Override
+	public void flushTextureCache(GLAutoDrawable drawable) {
+	}
+	
 	private static int getShine(RocketComponent c) {
 		if (c instanceof ExternalComponent) {
 			switch (((ExternalComponent) c).getFinish()) {

core/src/net/sf/openrocket/gui/figure3d/RealisticRenderer.java

@@ -190,6 +190,13 @@ public class RealisticRenderer extends RocketRenderer {
 		
 	}
 	
+	@Override
+	public void flushTextureCache(GLAutoDrawable drawable) {
+		// Flush the cache twice to get rid of old images.
+		clearCaches(drawable.getGL().getGL2());
+		clearCaches(drawable.getGL().getGL2());
+	}
+	
 	private void clearCaches(GL2 gl) {
 		log.debug("ClearCaches");
 		for (Map.Entry<String, Texture> e : oldTexCache.entrySet()) {

core/src/net/sf/openrocket/gui/figure3d/RocketFigure3d.java

@@ -107,6 +107,16 @@ public class RocketFigure3d extends JPanel implements GLEventListener {
 		}
 	}
 	
+	public void flushTextureCaches() {
+		canvas.invoke(true, new GLRunnable() {
+			@Override
+			public boolean run(GLAutoDrawable drawable) {
+				rr.flushTextureCache(drawable);
+				return false;
+			}
+		});
+	}
+	
 	/**
 	 * Return true if 3d view is enabled. This may be toggled by the user at
 	 * launch time.

core/src/net/sf/openrocket/gui/figure3d/RocketRenderer.java

@@ -48,6 +48,8 @@ public abstract class RocketRenderer {
 	
 	public abstract boolean isDrawnTransparent(RocketComponent c);
 	
+	public abstract void flushTextureCache(GLAutoDrawable drawable);
+	
 	public RocketComponent pick(GLAutoDrawable drawable, Configuration configuration, Point p,
 			Set<RocketComponent> ignore) {
 		final GL2 gl = drawable.getGL().getGL2();

core/src/net/sf/openrocket/gui/scalefigure/RocketPanel.java

@@ -61,6 +61,7 @@ import net.sf.openrocket.l10n.Translator;
 import net.sf.openrocket.masscalc.BasicMassCalculator;
 import net.sf.openrocket.masscalc.MassCalculator;
 import net.sf.openrocket.masscalc.MassCalculator.MassCalcType;
+import net.sf.openrocket.rocketcomponent.ComponentChangeEvent;
 import net.sf.openrocket.rocketcomponent.Configuration;
 import net.sf.openrocket.rocketcomponent.Rocket;
 import net.sf.openrocket.rocketcomponent.RocketComponent;
@@ -214,6 +215,13 @@ public class RocketPanel extends JPanel implements TreeSelectionListener, Change
 			@Override
 			public void stateChanged(EventObject e) {
 				// System.out.println("Configuration changed, calling updateFigure");
+				if (is3d) {
+					if (e instanceof ComponentChangeEvent) {
+						if (((ComponentChangeEvent) e).isTextureChange()) {
+							figure3d.flushTextureCaches();
+						}
+					}
+				}
 				updateExtras();
 				updateFigures();
 			}

core/src/net/sf/openrocket/gui/util/EditDecalHelper.java

@@ -5,8 +5,11 @@ import java.awt.Window;
 import java.io.File;
 import java.io.IOException;
 
+import net.sf.openrocket.appearance.AppearanceBuilder;
 import net.sf.openrocket.appearance.DecalImage;
+import net.sf.openrocket.document.OpenRocketDocument;
 import net.sf.openrocket.gui.dialogs.EditDecalDialog;
+import net.sf.openrocket.rocketcomponent.RocketComponent;
 import net.sf.openrocket.startup.Application;
 
 public class EditDecalHelper {
@@ -18,7 +21,62 @@ public class EditDecalHelper {
 	
 	private static final SwingPreferences prefs = ((SwingPreferences) Application.getPreferences());
 	
-	public static void editDecal( Window parent, DecalImage decal ) throws IOException {
+	public static void editDecal(Window parent, OpenRocketDocument doc, RocketComponent component, DecalImage decal) throws IOException {
+		
+		boolean sysPrefSet = prefs.isDecalEditorPreferenceSet();
+		int usageCount = doc.countDecalUsage(decal);
+		
+		//First Check preferences
+		if (sysPrefSet && usageCount == 1) {
+			
+			launchEditor(prefs.isDecalEditorPreferenceSystem(), prefs.getDecalEditorCommandLine(), decal);
+			return;
+		}
+		
+		EditDecalDialog dialog = new EditDecalDialog(parent, !sysPrefSet, usageCount);
+		dialog.setVisible(true);
+		
+		if (dialog.isCancel()) {
+			return;
+		}
+		
+		// Do we use the System Preference Editor or from the dialog?
+		boolean useSystemEditor = false;
+		String commandLine = "";
+		
+		if (sysPrefSet) {
+			useSystemEditor = prefs.isDecalEditorPreferenceSystem();
+			commandLine = prefs.getDecalEditorCommandLine();
+		} else {
+			useSystemEditor = dialog.isUseSystemEditor();
+			commandLine = dialog.getCommandLine();
+			// Do we need to save the preferences?
+			if (dialog.isSavePreferences()) {
+				prefs.setDecalEditorPreference(useSystemEditor, commandLine);
+			}
+		}
+		
+		if (dialog.isEditOne()) {
+			decal = makeDecalUnique(doc, component, decal);
+		}
+		
+		launchEditor(useSystemEditor, commandLine, decal);
+		
+	}
+	
+	private static DecalImage makeDecalUnique(OpenRocketDocument doc, RocketComponent component, DecalImage decal) {
+		
+		DecalImage newImage = doc.makeUniqueDecal(decal);
+		
+		AppearanceBuilder appearanceBuilder = new AppearanceBuilder(component.getAppearance());
+		appearanceBuilder.setImage(newImage);
+		
+		component.setAppearance(appearanceBuilder.getAppearance());
+		
+		return newImage;
+	}
+	
+	private static void launchEditor(boolean useSystemEditor, String commandTemplate, DecalImage decal) throws IOException {
 		
 		String decalId = decal.getName();
 		// Create Temp File.
@@ -31,53 +89,10 @@ public class EditDecalHelper {
 		
 		decal.exportImage(tmpFile, true);
 		
-		//First Check preferences
-		if ( prefs.isDecalEditorPreferenceSet() ) {
-			
-			// FIXME - need this one or all dialog.
-			
-			if ( prefs.isDecalEditorPreferenceSystem() ) {
-				launchSystemEditor( tmpFile );
-			} else {
-				String commandTemplate = prefs.getDecalEditorCommandLine();
-				launchCommandEditor(commandTemplate, tmpFile);
-			}
-			return;
-		}
-		
-		// Preference not set, launch dialog
-		EditDecalDialog dialog = new EditDecalDialog(parent);
-		dialog.setVisible(true);
-		
-		if( dialog.isCancel() ) {
-			// FIXME - delete tmpfile?
-			return;
-		}
-		
-		boolean saveToPrefs = dialog.isSavePreferences();
-		
-		if ( dialog.isUseSystemEditor() ) {
-			if ( saveToPrefs ) {
-				prefs.setDecalEditorPreference(true, null);
-			}
-			launchSystemEditor( tmpFile );
-		} else {
-			String commandLine = dialog.getCommandLine();
-			if( saveToPrefs ) {
-				prefs.setDecalEditorPreference(false, commandLine);
-			}
-			launchCommandEditor( commandLine, tmpFile );
-		}
-		
-	}
-	
-	private static void launchSystemEditor( File tmpFile ) throws IOException {
 		
+		if (useSystemEditor) {
 			Desktop.getDesktop().edit(tmpFile);
-		
+		} else {
-	}
-	
-	private static void launchCommandEditor( String commandTemplate, File tmpFile ) throws IOException {
 			
 			String filename = tmpFile.getAbsolutePath();
 			
@@ -91,5 +106,6 @@ public class EditDecalHelper {
 			Runtime.getRuntime().exec(command);
 			
 		}
+	}
 	
 }

core/src/net/sf/openrocket/gui/watcher/FileWatcher.java

@@ -0,0 +1,37 @@
+package net.sf.openrocket.gui.watcher;
+
+import java.io.File;
+
+public abstract class FileWatcher implements Watchable {
+	
+	private final File file;
+	private long lastModifiedTimestamp = 0L;
+	
+	public FileWatcher(File file) {
+		this.file = file;
+	}
+	
+	protected File getFile() {
+		return file;
+	}
+	
+	@Override
+	public WatchEvent monitor() {
+		
+		long modified = file.lastModified();
+		if (modified == 0L) {
+			// check for removal?
+			return null;
+		}
+		if (modified > lastModifiedTimestamp) {
+			long oldTimestamp = lastModifiedTimestamp;
+			lastModifiedTimestamp = modified;
+			return (oldTimestamp == 0L) ? null : WatchEvent.MODIFIED;
+		}
+		return null;
+	}
+	
+	@Override
+	public abstract void handleEvent(WatchEvent evt);
+	
+}

core/src/net/sf/openrocket/gui/watcher/WatchEvent.java

@@ -0,0 +1,8 @@
+package net.sf.openrocket.gui.watcher;
+
+public enum WatchEvent {
+	
+	MODIFIED,
+	REMOVED;
+	
+}

core/src/net/sf/openrocket/gui/watcher/WatchKey.java

@@ -0,0 +1,7 @@
+package net.sf.openrocket.gui.watcher;
+
+public interface WatchKey {
+	
+	public void cancel();
+	
+}

core/src/net/sf/openrocket/gui/watcher/WatchService.java

@@ -0,0 +1,7 @@
+package net.sf.openrocket.gui.watcher;
+
+public interface WatchService {
+	
+	public abstract WatchKey register(Watchable w);
+	
+}

core/src/net/sf/openrocket/gui/watcher/WatchServiceImpl.java

@@ -0,0 +1,72 @@
+package net.sf.openrocket.gui.watcher;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class WatchServiceImpl implements WatchService {
+	
+	private final static int INTERVAL_MS = 1000;
+	
+	private static AtomicInteger threadcount = new AtomicInteger(0);
+	
+	private ScheduledExecutorService executor = Executors.newScheduledThreadPool(2, new ThreadFactory() {
+		
+		@Override
+		public Thread newThread(Runnable r) {
+			Thread t = new Thread(r);
+			t.setName("WatchService-" + threadcount.getAndIncrement());
+			return t;
+		}
+	});
+	
+	public WatchServiceImpl() {
+	}
+	
+	/* (non-Javadoc)
+	 * @see net.sf.openrocket.gui.watcher.WatchService#register(net.sf.openrocket.gui.watcher.Watchable)
+	 */
+	@Override
+	public WatchKey register(Watchable w) {
+		ScheduledFuture<?> future = executor.scheduleWithFixedDelay(new WatchableRunner(w), 0, INTERVAL_MS, TimeUnit.MILLISECONDS);
+		
+		return new WatchKeyImpl(future);
+	}
+	
+	public class WatchKeyImpl implements WatchKey {
+		
+		ScheduledFuture<?> future;
+		
+		private WatchKeyImpl(ScheduledFuture<?> future) {
+			this.future = future;
+		}
+		
+		@Override
+		public void cancel() {
+			future.cancel(true);
+		}
+		
+	}
+	
+	private class WatchableRunner implements Runnable {
+		
+		private Watchable w;
+		
+		private WatchableRunner(Watchable w) {
+			this.w = w;
+		}
+		
+		@Override
+		public void run() {
+			
+			WatchEvent evt = w.monitor();
+			if (evt != null) {
+				w.handleEvent(evt);
+			}
+		}
+	}
+	
+}

core/src/net/sf/openrocket/gui/watcher/Watchable.java

@@ -0,0 +1,9 @@
+package net.sf.openrocket.gui.watcher;
+
+public interface Watchable {
+	
+	public WatchEvent monitor();
+	
+	public void handleEvent(WatchEvent evt);
+	
+}

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

@@ -23,6 +23,8 @@ public class ComponentChangeEvent extends EventObject {
 	public static final int MOTOR_CHANGE = 32;
 	/** A change that affects the events occurring during flight. */
 	public static final int EVENT_CHANGE = 64;
+	/** A change to the 3D texture assigned to a component*/
+	public static final int TEXTURE_CHANGE = 128;
 	
 	/** A bit-field that contains all possible change types. */
 	public static final int ALL_CHANGE = 0xFFFFFFFF;
@@ -47,6 +49,9 @@ public class ComponentChangeEvent extends EventObject {
 		return (RocketComponent) super.getSource();
 	}
 	
+	public boolean isTextureChange() {
+		return (type & TEXTURE_CHANGE) != 0;
+	}
 	
 	public boolean isAerodynamicChange() {
 		return (type & AERODYNAMIC_CHANGE) != 0;

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

@@ -2,11 +2,13 @@ package net.sf.openrocket.rocketcomponent;
 
 import java.util.Collection;
 import java.util.EventListener;
+import java.util.EventObject;
 import java.util.Iterator;
 import java.util.List;
 import java.util.NoSuchElementException;
 
 import net.sf.openrocket.appearance.Appearance;
+import net.sf.openrocket.appearance.Decal;
 import net.sf.openrocket.l10n.Translator;
 import net.sf.openrocket.preset.ComponentPreset;
 import net.sf.openrocket.startup.Application;
@@ -20,6 +22,7 @@ import net.sf.openrocket.util.LineStyle;
 import net.sf.openrocket.util.MathUtil;
 import net.sf.openrocket.util.SafetyMutex;
 import net.sf.openrocket.util.SimpleStack;
+import net.sf.openrocket.util.StateChangeListener;
 import net.sf.openrocket.util.UniqueID;
 
 
@@ -423,6 +426,17 @@ public abstract class RocketComponent implements ChangeSource, Cloneable, Iterab
 	 */
 	public void setAppearance(Appearance appearance) {
 		this.appearance = appearance;
+		Decal d = this.appearance.getTexture();
+		if (d != null) {
+			d.getImage().addChangeListener(new StateChangeListener() {
+				
+				@Override
+				public void stateChanged(EventObject e) {
+					fireComponentChangeEvent(ComponentChangeEvent.TEXTURE_CHANGE);
+				}
+				
+			});
+		}
 		fireComponentChangeEvent(ComponentChangeEvent.NONFUNCTIONAL_CHANGE);
 	}
 	

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

@@ -3,6 +3,7 @@ package net.sf.openrocket.startup;
 import net.sf.openrocket.database.ComponentPresetDao;
 import net.sf.openrocket.database.motor.MotorDatabase;
 import net.sf.openrocket.database.motor.ThrustCurveMotorSetDatabase;
+import net.sf.openrocket.gui.watcher.WatchService;
 import net.sf.openrocket.l10n.ClassBasedTranslator;
 import net.sf.openrocket.l10n.DebugTranslator;
 import net.sf.openrocket.l10n.ExceptionSuppressingTranslator;
@@ -68,7 +69,9 @@ public final class Application {
 		Application.logger = logger;
 	}
 	
-	
+	public static WatchService getWatchService() {
+		return Application.injector.getInstance(WatchService.class);
+	}
 	
 	/**
 	 * Return the log buffer.

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

@@ -1,12 +1,14 @@
 package net.sf.openrocket.startup;
 
-import com.google.inject.AbstractModule;
+import net.sf.openrocket.gui.watcher.WatchService;
-
+import net.sf.openrocket.gui.watcher.WatchServiceImpl;
 import net.sf.openrocket.l10n.Translator;
 import net.sf.openrocket.logging.LogHelper;
 import net.sf.openrocket.util.watcher.DirectoryChangeReactor;
 import net.sf.openrocket.util.watcher.DirectoryChangeReactorImpl;
 
+import com.google.inject.AbstractModule;
+
 public class ApplicationModule extends AbstractModule {
 	
 	@Override
@@ -15,6 +17,7 @@ public class ApplicationModule extends AbstractModule {
 		bind(Preferences.class).toInstance(Application.getPreferences());
 		bind(Translator.class).toInstance(Application.getTranslator());
 		bind(DirectoryChangeReactor.class).to(DirectoryChangeReactorImpl.class);
+		bind(WatchService.class).to(WatchServiceImpl.class);
 	}
 	
 }