Java tutorial
/******************************************************************************* * Copyright (c) 2012 BestSolution.at and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Tom Schindl<tom.schindl@bestsolution.at> - initial API and implementation *******************************************************************************/ package org.eclipse.fx.ide.ui.preview; import java.io.ByteArrayInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.PrintWriter; import java.io.StringWriter; import java.lang.reflect.Method; import java.net.MalformedURLException; import java.net.URL; import java.net.URLClassLoader; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.Date; import java.util.Enumeration; import java.util.HashMap; import java.util.List; import java.util.ListResourceBundle; import java.util.Map; import java.util.Map.Entry; import java.util.function.Consumer; import java.util.Properties; import java.util.ResourceBundle; import javafx.application.ConditionalFeature; import javafx.application.Platform; import javafx.embed.swt.FXCanvas; import javafx.fxml.FXMLLoader; import javafx.fxml.JavaFXBuilderFactory; import javafx.scene.Node; import javafx.scene.Parent; import javafx.scene.PerspectiveCamera; import javafx.scene.Scene; import javafx.scene.layout.BorderPane; import javafx.scene.layout.Pane; import javafx.scene.transform.Transform; import javafx.util.Builder; import javafx.util.BuilderFactory; import org.eclipse.core.resources.IFile; import org.eclipse.core.runtime.preferences.IEclipsePreferences; import org.eclipse.core.runtime.preferences.InstanceScope; import org.eclipse.fx.ide.ui.preview.bundle.Activator; import org.eclipse.fx.ide.ui.preview.text.AnnotationAccess; import org.eclipse.fx.ide.ui.preview.text.ColorManager; import org.eclipse.fx.ide.ui.preview.text.XMLConfiguration; import org.eclipse.fx.ide.ui.preview.text.XMLPartitionScanner; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.text.Document; import org.eclipse.jface.text.IDocument; import org.eclipse.jface.text.IDocumentPartitioner; import org.eclipse.jface.text.rules.FastPartitioner; import org.eclipse.jface.text.source.AnnotationModel; import org.eclipse.jface.text.source.SourceViewer; import org.eclipse.jface.text.source.VerticalRuler; import org.eclipse.jface.viewers.DecorationOverlayIcon; import org.eclipse.jface.viewers.IDecoration; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CTabFolder; import org.eclipse.swt.custom.CTabItem; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Spinner; import org.eclipse.swt.widgets.Text; import org.eclipse.swt.widgets.ToolItem; import org.eclipse.ui.IPartListener; import org.eclipse.ui.IViewSite; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.PartInitException; import org.eclipse.ui.part.ViewPart; import org.osgi.service.prefs.BackingStoreException; import com.google.inject.Inject; public class LivePreviewPart extends ViewPart { public enum SCREEN_SIZE { DEFAULT("<default>", -1, -1, false), // IPHONE_DEFAULT("iPhone 320480",320,480), IPHONE_4_RETINA("iPhone4 640960 - Retina", 640, 960, true), IPHONE_5("iPhone5 6401136", 640, 1136, true), IPAD_DEFAULT("iPad 7681024", 768, 1024, true), IPAD_RETINA("iPad 15362048 - Retina", 1536, 2048, true), ANDROID_PHONE_600_1024("Android 600x1024", 600, 1024, true), ANDROID_PHONE_720_1280( "Galaxy S III 720x1280", 720, 1280, true), ANDROID_480_800("Galaxy Note II 480x800", 480, 800, true), ANDROID_720_1280("Galaxy Note II 720x1280", 720, 1280, true), ANDROID_800_1280("Galaxy Note II 800x1280", 800, 1280, true), // ANDROID_240_320("Android 240x320 ldpi",240,320,true), // ANDROID_320_480("Android 320x480 mdpi",320,480,true), // // DESKTOP_1024_768("1024x768",1024,768,false), // DESKTOP_1280_1024("1280x1024",1280,1024,false) ; private String name; private int width; private int height; private boolean supportsHorizontal; private SCREEN_SIZE(String name, int width, int height, boolean supportsHorizontal) { this.name = name; this.width = width; this.height = height; this.supportsHorizontal = supportsHorizontal; } } class ScreenAction extends Action { private final SCREEN_SIZE size; public ScreenAction(SCREEN_SIZE size) { super(size.name, IAction.AS_RADIO_BUTTON); this.size = size; } @Override public void run() { screenSize.setText(size.name); updateResolution(size, currentHorizontal); } } public static final String PREF_LOAD_CONTROLLER = "PREF_LOAD_CONTROLLER"; @Inject private LivePreviewSynchronizer synchronizer; private Node rootPane_new; private Text logStatement; private CTabFolder folder; private static final String IMAGE_OK = LivePreviewPart.class.getName() + ".IMAGE_OK"; private static final String IMAGE_WARNING = LivePreviewPart.class.getName() + ".IMAGE_WARNING"; private static final String IMAGE_ERROR = LivePreviewPart.class.getName() + ".IMAGE_ERROR"; private static final String IMAGE_PREVIEW = LivePreviewPart.class.getName() + ".IMAGE_PREVIEW"; private static final String IMAGE_TAB_ERROR = LivePreviewPart.class.getName() + ".IMAGE_TAB_ERROR"; private static final String IMAGE_TAB_WARNING = LivePreviewPart.class.getName() + ".IMAGE_TAB_WARNING"; private static final String IMAGE_TAB_NORMAL = LivePreviewPart.class.getName() + ".IMAGE_TAB_NORMAL"; private static final String IMAGE_STATUS_ERROR = LivePreviewPart.class.getName() + ".IMAGE_STATUS_ERROR"; private static final String IMAGE_STATUS_WARNING = LivePreviewPart.class.getName() + ".IMAGE_STATUS_WARNING"; private static final String IMAGE_STATUS_OK = LivePreviewPart.class.getName() + ".IMAGE_STATUS_OK"; private static final String IMAGE_STATUS_NOPREVIEW = LivePreviewPart.class.getName() + ".IMAGE_STATUS_NOPREVIEW"; private static final String IMAGE_LOAD_CONTROLLER = LivePreviewPart.class.getName() + ".IMAGE_LOAD_CONTROLLER"; private static final String IMAGE_REFRESH = LivePreviewPart.class.getName() + ".IMAGE_REFRESH"; private static final String IMAGE_FXML_CONTENT = LivePreviewPart.class.getName() + ".IMAGE_FXML_CONTENT"; private static final String NO_PREVIEW_TEXT = "No preview available"; protected static final int VERTICAL_RULER_WIDTH = 20; private IEclipsePreferences preference = InstanceScope.INSTANCE.getNode(Activator.PLUGIN_ID); private CTabItem logItem; private Label statusLabelIcon; private Label statusLabelText; private FXCanvas swtFXContainer; private IPartListener listener; private Spinner scale; private Map<IFile, Integer> scaleMap = new HashMap<IFile, Integer>(); private IFile currentFile; private IDocument document; private ContentData currentData; private Scene currentScene; private SCREEN_SIZE currentSize = SCREEN_SIZE.DEFAULT; private Action screenSize; private boolean currentHorizontal; private Scene defaultScene; static { JFaceResources.getImageRegistry().put(IMAGE_OK, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/security-high.png")); JFaceResources.getImageRegistry().put(IMAGE_WARNING, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/security-medium.png")); JFaceResources.getImageRegistry().put(IMAGE_ERROR, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/security-low.png")); JFaceResources.getImageRegistry().put(IMAGE_PREVIEW, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/view-preview.png")); JFaceResources.getImageRegistry().put(IMAGE_TAB_NORMAL, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/view-preview.png")); JFaceResources.getImageRegistry().put(IMAGE_TAB_ERROR, new DecorationOverlayIcon(JFaceResources.getImage(IMAGE_TAB_NORMAL), Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/ovr/error_co.gif"), IDecoration.BOTTOM_LEFT)); JFaceResources.getImageRegistry().put(IMAGE_TAB_WARNING, new DecorationOverlayIcon(JFaceResources.getImage(IMAGE_TAB_NORMAL), Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/ovr/warning_co.gif"), IDecoration.BOTTOM_LEFT)); JFaceResources.getImageRegistry().put(IMAGE_STATUS_ERROR, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/dialog-error.png")); JFaceResources.getImageRegistry().put(IMAGE_STATUS_WARNING, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/dialog-warning.png")); JFaceResources.getImageRegistry().put(IMAGE_STATUS_OK, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/dialog-ok-apply.png")); JFaceResources.getImageRegistry().put(IMAGE_STATUS_NOPREVIEW, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/dialog-information.png")); JFaceResources.getImageRegistry().put(IMAGE_LOAD_CONTROLLER, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/system-switch-user.png")); JFaceResources.getImageRegistry().put(IMAGE_REFRESH, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/edit-clear.png")); JFaceResources.getImageRegistry().put(IMAGE_FXML_CONTENT, Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/16_16/page_white_code_red.png")); } @Override public void init(IViewSite site) throws PartInitException { super.init(site); listener = new IPartListener() { @Override public void partOpened(IWorkbenchPart part) { // TODO Auto-generated method stub } @Override public void partDeactivated(IWorkbenchPart part) { if (part == LivePreviewPart.this && swtFXContainer != null) { swtFXContainer.setEnabled(false); } } @Override public void partClosed(IWorkbenchPart part) { // TODO Auto-generated method stub } @Override public void partBroughtToTop(IWorkbenchPart part) { // TODO Auto-generated method stub } @Override public void partActivated(IWorkbenchPart part) { if (part == LivePreviewPart.this && swtFXContainer != null) { swtFXContainer.setEnabled(true); } } }; site.getWorkbenchWindow().getPartService().addPartListener(synchronizer); site.getWorkbenchWindow().getPartService().addPartListener(listener); } @Override public void createPartControl(final Composite parent) { final Composite container = new Composite(parent, SWT.NONE); container.setLayout(new GridLayout(3, false)); folder = new CTabFolder(container, SWT.BOTTOM | SWT.BORDER); folder.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true, 3, 1)); document = new Document(); // parent.getDisplay().syncExec(new Runnable() { // // @Override // public void run() { { CTabItem item = new CTabItem(folder, SWT.NONE); item.setText("Preview"); item.setImage(JFaceResources.getImage(IMAGE_PREVIEW)); swtFXContainer = new FXCanvas(folder, SWT.NONE); swtFXContainer.setEnabled(false); item.setControl(swtFXContainer); rootPane_new = new BorderPane(); BorderPane pane = new BorderPane(); pane.setCenter(rootPane_new); defaultScene = new Scene(pane, -1, -1, Platform.isSupported(ConditionalFeature.SCENE3D)); currentScene = defaultScene; swtFXContainer.setScene(defaultScene); } { logItem = new CTabItem(folder, SWT.NONE); logItem.setText("Error log"); logItem.setImage(JFaceResources.getImage(IMAGE_OK)); logStatement = new Text(folder, SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL); logStatement.setEditable(false); logItem.setControl(logStatement); Menu m = new Menu(logStatement); logStatement.setMenu(m); MenuItem clearItem = new MenuItem(m, SWT.PUSH); clearItem.setText("Clear Log"); clearItem.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { logStatement.setText(""); } }); } { CTabItem fxmlContent = new CTabItem(folder, SWT.NONE); fxmlContent.setText("FXML-Source"); fxmlContent.setImage(JFaceResources.getImage(IMAGE_FXML_CONTENT)); final AnnotationModel model = new AnnotationModel(); VerticalRuler verticalRuler = new VerticalRuler(VERTICAL_RULER_WIDTH, new AnnotationAccess()); int styles = SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION; SourceViewer sourceViewer = new SourceViewer(folder, verticalRuler, styles); sourceViewer.configure(new XMLConfiguration(new ColorManager())); sourceViewer.setEditable(false); sourceViewer.getTextWidget().setFont(JFaceResources.getTextFont()); IDocumentPartitioner partitioner = new FastPartitioner(new XMLPartitionScanner(), new String[] { XMLPartitionScanner.XML_TAG, XMLPartitionScanner.XML_COMMENT }); partitioner.connect(document); document.setDocumentPartitioner(partitioner); sourceViewer.setDocument(document); verticalRuler.setModel(model); fxmlContent.setControl(sourceViewer.getControl()); } folder.setSelection(0); statusLabelIcon = new Label(container, SWT.NONE); statusLabelIcon.setImage(JFaceResources.getImage(IMAGE_STATUS_NOPREVIEW)); statusLabelText = new Label(container, SWT.NONE); statusLabelText.setText(NO_PREVIEW_TEXT); statusLabelText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Composite scaleControl = new Composite(container, SWT.NONE); scaleControl.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false)); scaleControl.setLayout(new GridLayout(2, false)); Label l = new Label(scaleControl, SWT.NONE); l.setText("Zoom"); scale = new Spinner(scaleControl, SWT.BORDER); scale.setMinimum(10); scale.setMaximum(500); scale.setIncrement(10); scale.setSelection(100); scale.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { rootPane_new.getTransforms() .setAll(Transform.scale(scale.getSelection() / 100.0, scale.getSelection() / 100.0)); if (currentFile != null) { scaleMap.put(currentFile, scale.getSelection()); } } }); parent.layout(true, true); if (currentData != null) { refreshContent(currentData); } // } // }); parent.layout(true, true); Action loadController = new Action("", IAction.AS_CHECK_BOX) { @Override public void run() { preference.putBoolean(PREF_LOAD_CONTROLLER, !preference.getBoolean(PREF_LOAD_CONTROLLER, false)); try { preference.flush(); synchronizer.refreshPreview(); } catch (BackingStoreException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }; loadController.setChecked(preference.getBoolean(PREF_LOAD_CONTROLLER, false)); loadController.setImageDescriptor(JFaceResources.getImageRegistry().getDescriptor(IMAGE_LOAD_CONTROLLER)); loadController.setToolTipText("Load the controller"); Action refresh = new Action("", JFaceResources.getImageRegistry().getDescriptor(IMAGE_REFRESH)) { @Override public void run() { synchronizer.refreshPreview(); } }; refresh.setToolTipText("Force a refresh"); MenuManager mgr = new MenuManager(); for (SCREEN_SIZE s : SCREEN_SIZE.values()) { mgr.add(new ScreenAction(s)); } final Menu m = mgr.createContextMenu(parent); screenSize = new Action("ScreenSize", IAction.AS_DROP_DOWN_MENU) { @Override public void runWithEvent(Event event) { if (event.detail == SWT.DROP_DOWN) { ToolItem i = (ToolItem) event.widget; m.setLocation(i.getParent().toDisplay(event.x, event.y)); m.setVisible(true); } } }; getViewSite().getActionBars().getToolBarManager().add(screenSize); getViewSite().getActionBars().getToolBarManager().add(new Action("Horizontal", Action.AS_CHECK_BOX) { @Override public void run() { updateResolution(currentSize, isChecked()); } }); getViewSite().getActionBars().getToolBarManager().add(refresh); getViewSite().getActionBars().getToolBarManager().add(loadController); } void updateResolution(SCREEN_SIZE size, boolean horizontal) { currentSize = size; currentHorizontal = horizontal; synchronizer.refreshPreview(); } @Override public void dispose() { if (currentScene != null) { currentScene.getStylesheets().clear(); } getSite().getWorkbenchWindow().getPartService().removePartListener(synchronizer); getSite().getWorkbenchWindow().getPartService().addPartListener(listener); super.dispose(); } @Override public void setFocus() { folder.setFocus(); } private void refreshContent(final ContentData contentData) { this.currentData = contentData; if (folder != null && !folder.isDisposed()) { if (Thread.currentThread() == folder.getDisplay().getThread()) { try { saveRefreshContent(contentData); } catch (Throwable t) { t.printStackTrace(); } } else { folder.getDisplay().asyncExec(new Runnable() { @Override public void run() { try { saveRefreshContent(contentData); } catch (Throwable t) { t.printStackTrace(); } } }); } } } private void saveRefreshContent(final ContentData contentData) { folder.setVisible(true); ClassLoader cl = null; FXMLLoader loader; if (contentData.extraJarPath != null && !contentData.extraJarPath.isEmpty() && swtFXContainer != null) { final URLClassLoader previewClassLoader = new PreviewURLClassloader( contentData.extraJarPath.toArray(new URL[0]), swtFXContainer.getClass().getClassLoader()); cl = Thread.currentThread().getContextClassLoader(); Thread.currentThread().setContextClassLoader(previewClassLoader); loader = new FXMLLoader(); loader.setBuilderFactory(new BuilderFactory() { private BuilderFactory f = new JavaFXBuilderFactory(previewClassLoader); @Override public Builder<?> getBuilder(Class<?> type) { return f.getBuilder(type); } }); loader.setClassLoader(previewClassLoader); } else { loader = new FXMLLoader(); } final StringBuilder exception = new StringBuilder(); try { currentFile = contentData.file; ReflectiveInvoke.setStaticLoad(loader, !preference.getBoolean(PREF_LOAD_CONTROLLER, false)); try { // TODO Should we set this to the bin-Folder?? loader.setLocation( contentData.file.getParent().getLocation().toFile().getAbsoluteFile().toURI().toURL()); } catch (MalformedURLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } if (contentData.resourceBundle != null) { FileInputStream in = null; try { in = new FileInputStream(new File(contentData.resourceBundle)); Properties p = new Properties(); p.load(in); final Object[][] entries = new Object[p.entrySet().size()][]; int i = 0; for (Entry<Object, Object> e : p.entrySet()) { entries[i++] = new Object[] { e.getKey(), e.getValue() }; } ListResourceBundle b = new ListResourceBundle() { @Override protected Object[][] getContents() { return entries; } }; ResourceBundle rb = new ResourceBundle() { @Override protected Object handleGetObject(String key) { Object object = b.handleGetObject(key); if (object == null) { exception.append("Warning: Missing key '" + key + "'\n"); object = "!" + key + "!"; } return object; } @Override public Enumeration<String> getKeys() { return b.getKeys(); } @Override public boolean containsKey(String key) { return true; } }; loader.setResources(b); } catch (Exception e) { e.printStackTrace(); } finally { if (in != null) { try { in.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } else { ResourceBundle rb = new ResourceBundle() { @Override protected Object handleGetObject(String key) { exception.append("Warning: No resource bundle provided\n"); return "!" + key + "!"; } @Override public Enumeration<String> getKeys() { return Collections.emptyEnumeration(); } @Override public boolean containsKey(String key) { return true; } }; loader.setResources(rb); } try { document.set(contentData.contents); ByteArrayInputStream out = new ByteArrayInputStream(contentData.contents.getBytes()); Object root = loader.load(out); out.close(); Scene scene = null; if (root instanceof Scene) { scene = (Scene) root; rootPane_new = scene.getRoot(); } else { if (contentData.previewSceneSetup != null) { ByteArrayInputStream sceneOut = new ByteArrayInputStream( contentData.previewSceneSetup.getBytes()); Object sceneRoot = loader.load(sceneOut); if (sceneRoot instanceof Scene) { scene = (Scene) sceneRoot; } } rootPane_new = (Node) root; if (scene == null) { Parent p; BorderPane b = new BorderPane(); b.setCenter(rootPane_new); p = b; ((BorderPane) defaultScene.getRoot()).setCenter(p); scene = defaultScene; // // scene = new Scene(p, -1, -1, Platform.isSupported(ConditionalFeature.SCENE3D)); // if( Platform.isSupported(ConditionalFeature.SCENE3D) ) { // scene.setCamera(new PerspectiveCamera()); // } } else { Node n = scene.getRoot().lookup("#previewcontainer"); if (n == null || !(n instanceof Parent)) { n = scene.getRoot(); } String previewFeature = null; if (n.getUserData() != null && n.getUserData() != null) { previewFeature = n.getUserData().toString().trim(); } if (previewFeature != null) { try { String mName = "set" + Character.toUpperCase(previewFeature.charAt(0)) + previewFeature.substring(1); Method m = n.getClass().getMethod(mName, Node.class); m.invoke(n, rootPane_new); } catch (Throwable t) { String mName = "get" + Character.toUpperCase(previewFeature.charAt(0)) + previewFeature.substring(1); Method m = n.getClass().getMethod(mName); Object o = m.invoke(n); if (o instanceof List) { ((List<Object>) o).add(rootPane_new); } } } else { if (n instanceof BorderPane) { ((BorderPane) n).setCenter(rootPane_new); } else if (n instanceof Pane) { ((Pane) n).getChildren().add(rootPane_new); } else { throw new IllegalStateException( "The parent in the scene is not a Pane. Set a preview-property styleclass on the control"); } } } } if (rootPane_new != null) { if (scaleMap.containsKey(currentFile)) { int value = scaleMap.get(currentFile).intValue(); scale.setSelection(value); rootPane_new.getTransforms().setAll(Transform.scale(value / 100.0, value / 100.0)); } else { scale.setSelection(100); rootPane_new.getTransforms().clear(); } } // Force CSS-Reloading if (isJavaFX2()) { ReflectiveInvoke.onStyleManagerClass(scene); } // In FX8 we need to remove the stylesheets on the old scene to force reloading them if (swtFXContainer.getScene() != null) { swtFXContainer.getScene().getStylesheets().clear(); } scene.getStylesheets().addAll(contentData.cssFiles); currentScene = scene; folder.setSelection(0); swtFXContainer.setScene(scene); contentData.sceneGraphCallback.accept(scene.getRoot()); } catch (Exception e) { StringWriter sw = new StringWriter(); e.printStackTrace(new PrintWriter(sw)); exception.append(sw.toString()); } } finally { if (cl != null) { Thread.currentThread().setContextClassLoader(cl); } } if (exception.length() > 0) { final String innerException = exception.toString(); if (folder.isDisposed()) { return; } folder.getDisplay().asyncExec(new Runnable() { @Override public void run() { if (innerException != null) { logItem.setImage(JFaceResources.getImage(IMAGE_ERROR)); statusLabelIcon.setImage(JFaceResources.getImage(IMAGE_STATUS_ERROR)); statusLabelText.setText(SimpleDateFormat.getTimeInstance().format(new Date()) + ": Error while updating preview"); setTitleImage(JFaceResources.getImage(IMAGE_TAB_ERROR)); folder.setSelection(logItem); } logStatement.setText(""); logStatement.append("=================================================================" + logStatement.getLineDelimiter()); logStatement.append("Preview loading @ " + new Date() + logStatement.getLineDelimiter()); logStatement.append("=================================================================" + logStatement.getLineDelimiter()); if (innerException != null) { logStatement.append("Exception:" + logStatement.getLineDelimiter()); logStatement.append("----------" + logStatement.getLineDelimiter()); logStatement.append(innerException + logStatement.getLineDelimiter()); logStatement.append(logStatement.getLineDelimiter() + logStatement.getLineDelimiter()); logStatement.setSelection(0); } } }); } else { folder.getDisplay().asyncExec(new Runnable() { @Override public void run() { folder.setSelection(0); logItem.setImage(JFaceResources.getImage(IMAGE_OK)); statusLabelIcon.setImage(JFaceResources.getImage(IMAGE_STATUS_OK)); statusLabelText .setText(SimpleDateFormat.getTimeInstance().format(new Date()) + ": Preview updated"); setTitleImage(JFaceResources.getImage(IMAGE_TAB_NORMAL)); } }); } } public void setContents(final ContentData contentData) { if (folder.isDisposed()) { return; } if (contentData != null && contentData.contents != null) { refreshContent(contentData); } else if (rootPane_new != null) { folder.getDisplay().syncExec(new Runnable() { @Override public void run() { statusLabelIcon.setImage(JFaceResources.getImage(IMAGE_STATUS_NOPREVIEW)); statusLabelText.setText(NO_PREVIEW_TEXT); folder.setVisible(false); } }); } } private static boolean isJavaFX2() { return System.getProperty("javafx.version") != null && System.getProperty("javafx.version").startsWith("2"); } public static class ContentData { public String contents; public String previewSceneSetup; public List<String> cssFiles; public String resourceBundle; public List<URL> extraJarPath; public IFile file; public Consumer<Object> sceneGraphCallback; public ContentData(String contents, String previewSceneSetup, List<String> cssFiles, String resourceBundle, List<URL> extraJarPath, IFile file, Consumer<Object> sceneGraphCallback) { this.contents = contents; this.previewSceneSetup = previewSceneSetup; this.cssFiles = new ArrayList<String>(cssFiles); this.resourceBundle = resourceBundle; this.extraJarPath = extraJarPath; this.file = file; this.sceneGraphCallback = sceneGraphCallback; } } static class PreviewURLClassloader extends URLClassLoader { public PreviewURLClassloader(URL[] urls, ClassLoader parent) { super(urls, parent); } @Override public Class<?> loadClass(String name) throws ClassNotFoundException { return super.loadClass(name); } } }