org.eclipse.osbp.ecview.vaadin.ide.preview/src/org/eclipse/osbp/ecview/vaadin/ide/preview/parts/ECViewIDEPreviewPart.java - gerrit/osbp/org.eclipse.osbp.ecview.addons - Git at Google

 /**
  * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
  * 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:
  *         Florian Pirchner - Initial implementation
  */

 package org.eclipse.osbp.ecview.vaadin.ide.preview.parts;

 import java.io.File;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.HashSet;
 import java.util.Set;

 import javax.annotation.PreDestroy;

 import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.osbp.ecview.core.common.context.IViewContext;
 import org.eclipse.osbp.ecview.core.common.editpart.IExposedActionEditpart;
 import org.eclipse.osbp.ecview.vaadin.ide.preview.PreviewActivator;
 import org.eclipse.swt.dnd.DND;
 import org.eclipse.swt.dnd.DropTarget;
 import org.eclipse.swt.dnd.FileTransfer;
 import org.eclipse.swt.dnd.Transfer;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.ISelectionListener;
 import org.eclipse.ui.IViewSite;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
 import org.eclipse.ui.internal.browser.BrowserViewer;
 import org.eclipse.ui.internal.browser.IBrowserViewerContainer;
 import org.eclipse.ui.internal.browser.WebBrowserUtil;
 import org.eclipse.ui.internal.browser.WebBrowserViewDropAdapter;
 import org.eclipse.ui.part.ISetSelectionTarget;
 import org.eclipse.ui.part.ViewPart;

 import com.google.inject.Inject;

 /**
  * Parts copied from org.eclipse.ui.internal.browser.WebBrowserView
  */
 @SuppressWarnings("restriction")
 public class ECViewIDEPreviewPart extends ViewPart implements
 		IBrowserViewerContainer, ISetSelectionTarget, IUiRenderedListener {

 	private static String URL = "http://localhost:%s/idepreview";

 	protected BrowserViewer viewer;
 	protected ISelectionListener listener;

 	@Inject
 	private ECViewVaadinSynchronizer synchronizer;

 	private Set<Action> exposedActions = new HashSet<Action>();

 	public ECViewIDEPreviewPart() {

 	}

 	public void createPartControl(Composite parent) {
 		int style = WebBrowserUtil.decodeStyle(getViewSite().getSecondaryId());
 		viewer = new BrowserViewer(parent, style);
 		viewer.setContainer(this);

 		String port = System.getProperty("preview.port", "8099");
 		viewer.setURL(String.format(URL, port));

 		getViewSite().getActionBars().getMenuManager()
 				.add(new LinkWithEditorAction());
 		getViewSite().getActionBars().getMenuManager()
 				.add(new ShowLayoutBoundsAction());

 		/*
 		 * PropertyChangeListener propertyChangeListener = new
 		 * PropertyChangeListener() { public void
 		 * propertyChange(PropertyChangeEvent event) { if
 		 * (BrowserViewer.PROPERTY_TITLE.equals(event.getPropertyName())) {
 		 * setPartName((String) event.getNewValue()); } } };
 		 * viewer.addPropertyChangeListener(propertyChangeListener);
 		 */
 		initDragAndDrop();
 	}

 	@Override
 	public void init(IViewSite site) throws PartInitException {
 		super.init(site);
 		synchronizer.start(site);
 		PreviewActivator.getIDEPreviewHandler().setPart(this);
 	}

 	@PreDestroy
 	public void predestroy() {
 		viewer.setURL("blank");
 	}

 	public void dispose() {
 		PreviewActivator.getIDEPreviewHandler().setPart(null);
 		synchronizer.stop(getSite());

 		if (viewer != null)
 			viewer.setContainer(null);

 		if (listener != null)
 			removeSelectionListener();

 		super.dispose();
 	}

 	public void setURL(String url) {
 		if (viewer != null)
 			viewer.setURL(url);
 	}

 	public void setFocus() {
 		viewer.setFocus();
 	}

 	public boolean close() {
 		try {
 			viewer.setURL("blank");
 			getSite().getPage().hideView(this);
 			return true;
 		} catch (Exception e) {
 			return false;
 		}
 	}

 	public IActionBars getActionBars() {
 		return getViewSite().getActionBars();
 	}

 	public void openInExternalBrowser(String url) {
 		try {
 			URL theURL = new URL(url);
 			IWorkbenchBrowserSupport support = PlatformUI.getWorkbench()
 					.getBrowserSupport();
 			support.getExternalBrowser().openURL(theURL);
 		} catch (MalformedURLException e) {
 		} catch (PartInitException e) {
 		}
 	}

 	public void addSelectionListener() {
 		if (listener != null)
 			return;

 		listener = new ISelectionListener() {
 			public void selectionChanged(IWorkbenchPart part,
 					ISelection selection) {
 				onSelectionChange(selection);
 			}
 		};
 		getSite().getWorkbenchWindow().getSelectionService()
 				.addPostSelectionListener(listener);
 	}

 	private void onSelectionChange(ISelection selection) {
 		if (!(selection instanceof IStructuredSelection))
 			return;
 		IStructuredSelection sel = (IStructuredSelection) selection;
 		Object obj = sel.getFirstElement();
 		if (obj instanceof IAdaptable) {
 			IAdaptable adapt = (IAdaptable) obj;
 			URL url = getURLFromAdaptable(adapt);
 			if (url != null)
 				setURL(url.toExternalForm());
 		}
 	}

 	private URL getURLFromAdaptable(IAdaptable adapt) {
 		// test for path
 		IPath path = (IPath) adapt.getAdapter(IPath.class);
 		if (path != null) {
 			File file = path.toFile();
 			if (file.exists() && isWebFile(file.getName()))
 				try {
 					return file.toURI().toURL();
 				} catch (MalformedURLException e) {
 					return null;
 				}
 		}
 		return (URL) adapt.getAdapter(URL.class);
 	}

 	public void removeSelectionListener() {
 		if (listener == null)
 			return;
 		getSite().getWorkbenchWindow().getSelectionService()
 				.removePostSelectionListener(listener);
 		listener = null;
 	}

 	/**
 	 * Return true if the filename has a "web" extension.
 	 *
 	 * @param name
 	 * @return
 	 */
 	protected boolean isWebFile(String name) {
 		return name.endsWith("html") || name.endsWith("htm") || name.endsWith("gif") || //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 				name.endsWith("jpg"); //$NON-NLS-1$
 	}

 	/**
 	 * Adds drag and drop support to the view.
 	 */
 	protected void initDragAndDrop() {
 		Transfer[] transfers = new Transfer[] {
 		// LocalSelectionTransfer.getInstance(),
 		// ResourceTransfer.getInstance(),
 		FileTransfer.getInstance() };

 		DropTarget dropTarget = new DropTarget(viewer, DND.DROP_COPY
 				| DND.DROP_DEFAULT);
 		dropTarget.setTransfer(transfers);
 		dropTarget.addDropListener(new CustomWebBrowserViewDropAdapter(viewer));
 	}

 	public void selectReveal(ISelection selection) {
 		onSelectionChange(selection);
 	}

 	public void setBrowserViewName(String name) {
 		setPartName(name);
 	}

 	public void setBrowserViewTooltip(String tip) {
 		setTitleToolTip(tip);
 	}

 	public void notifyNewViewRendered(final IViewContext context) {
 		viewer.getDisplay().asyncExec(new Runnable() {
 			@Override
 			public void run() {
 				// remove old actions
 				for (Action action : exposedActions) {
 					getViewSite().getActionBars().getToolBarManager()
 							.remove(action.getId());
 				}
 				exposedActions.clear();

 				// add the new exposed actions
 				for (IExposedActionEditpart exposedAction : context
 						.getExposedActions()) {

 					// get the path of the icon
 					String theme = PreviewActivator.getIDEPreviewHandler().getThemeName();
 					String iconPath = String.format("VAADIN/themes/%s/%s", theme, exposedAction.getIconName());
 					URL iconURL = PreviewActivator.getDefault().findResource(iconPath);

 					Action action = null;
 					if (exposedAction.getId().equals(
 							"org.eclipse.osbp.actions.load")) {
 						action = new ExposedLoadAction(exposedAction.getId(),exposedAction
 								.getDescription(), exposedAction.getIconName(), iconURL);
 					} else if (exposedAction.getId().equals(
 							"org.eclipse.osbp.actions.save")) {
 						action = new ExposedSaveAction(exposedAction.getId(),exposedAction
 								.getDescription(), exposedAction.getIconName(), iconURL);
 					} else if (exposedAction.getId().equals(
 							"org.eclipse.osbp.actions.delete")) {
 						action = new ExposedDeleteAction(exposedAction.getId(),exposedAction
 								.getDescription(), exposedAction.getIconName(), iconURL);
 					} else if (exposedAction.getId().equals(
 							"org.eclipse.osbp.actions.find")) {
 						action = new ExposedFindAction(exposedAction.getId(),exposedAction
 								.getDescription(), exposedAction.getIconName(), iconURL);
 					} else if (exposedAction.getId().equals(
 							"org.eclipse.osbp.actions.create")) {
 						action = new ExposedCreateAction(exposedAction.getId(),exposedAction
 								.getDescription(), exposedAction.getIconName(), iconURL);
 					} else {
 						action = new ExposedNullAction(exposedAction.getId(),exposedAction
 								.getDescription(), exposedAction.getIconName(), iconURL);
 					}

 					if (action != null) {
 						exposedActions.add(action);
 						getViewSite().getActionBars().getToolBarManager()
 								.add(action);
 					}
 				}
 				getViewSite().getActionBars().updateActionBars();
 			}
 		});
 	}

 	private static class CustomWebBrowserViewDropAdapter extends
 			WebBrowserViewDropAdapter {

 		protected CustomWebBrowserViewDropAdapter(BrowserViewer view) {
 			super(view);
 		}
 	}

 	private class LinkWithEditorAction extends Action {

 		public LinkWithEditorAction() {
 			setText("Link with editor");
 			setDescription("Links the selection in preview UI with the associated grammar element.");
 			setToolTipText("Links the selection in preview UI with the associated grammar element.");
 			setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
 					PreviewActivator.BUNDLE_ID, "/icons/synced.gif"));
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {
 			PreviewActivator.getIDEPreviewHandler().setLinkedWithEditor(isChecked());
 		}
 	}

 	private class ShowLayoutBoundsAction extends Action {

 		public ShowLayoutBoundsAction() {
 			setText("Show layout bounds");
 			setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
 					PreviewActivator.BUNDLE_ID, "/icons/bounds.png"));
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {
 			PreviewActivator.getIDEPreviewHandler().setShowLayoutBounds(isChecked());
 		}
 	}

 	private class ExposedLoadAction extends Action {

 		public ExposedLoadAction(String id, String text, String icon, URL iconURL) {
 			super(text, IAction.AS_PUSH_BUTTON);
 			setId(id);
 			if(iconURL != null){
 				setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
 			}else{
 				setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
 						PreviewActivator.BUNDLE_ID, "icons/load.gif"));
 			}
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {

 		}
 	}

 	private class ExposedSaveAction extends Action {

 		public ExposedSaveAction(String id, String text, String icon, URL iconURL) {
 			super(text, IAction.AS_PUSH_BUTTON);
 			setId(id);
 			if(iconURL != null){
 				setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
 			}else{
 				setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
 						PreviewActivator.BUNDLE_ID, "icons/save.gif"));
 			}
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {

 		}
 	}

 	private class ExposedDeleteAction extends Action {

 		public ExposedDeleteAction(String id, String text, String icon, URL iconURL) {
 			super(text, IAction.AS_PUSH_BUTTON);
 			setId(id);
 			if(iconURL != null){
 				setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
 			}else{
 				setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
 						PreviewActivator.BUNDLE_ID, "icons/trash.gif"));
 			}
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {

 		}
 	}

 	private class ExposedFindAction extends Action {

 		public ExposedFindAction(String id, String text, String icon, URL iconURL) {
 			super(text, IAction.AS_PUSH_BUTTON);
 			setId(id);
 			if(iconURL != null){
 				setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
 			}else{
 				setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
 						PreviewActivator.BUNDLE_ID, "icons/search.gif"));
 			}
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {

 		}
 	}

 	private class ExposedCreateAction extends Action {

 		public ExposedCreateAction(String id, String text, String icon, URL iconURL) {
 			super(text, IAction.AS_PUSH_BUTTON);
 			setId(id);
 			if(iconURL != null){
 				setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
 			}else{
 				setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
 						PreviewActivator.BUNDLE_ID, "icons/new.gif"));
 			}
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {

 		}
 	}

 	private class ExposedNullAction extends Action {

 		public ExposedNullAction(String id, String text, String icon, URL iconURL) {
 			super(text, IAction.AS_PUSH_BUTTON);
 			setId(id);
 			if(iconURL != null){
 				setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
 			}
 			setChecked(false);
 			setEnabled(true);
 		}

 		@Override
 		public void run() {

 		}
 	}

 }
	/**
	* Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
	* 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:
	* Florian Pirchner - Initial implementation
	*/

	package org.eclipse.osbp.ecview.vaadin.ide.preview.parts;

	import java.io.File;
	import java.net.MalformedURLException;
	import java.net.URL;
	import java.util.HashSet;
	import java.util.Set;

	import javax.annotation.PreDestroy;

	import org.eclipse.core.runtime.IAdaptable;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.osbp.ecview.core.common.context.IViewContext;
	import org.eclipse.osbp.ecview.core.common.editpart.IExposedActionEditpart;
	import org.eclipse.osbp.ecview.vaadin.ide.preview.PreviewActivator;
	import org.eclipse.swt.dnd.DND;
	import org.eclipse.swt.dnd.DropTarget;
	import org.eclipse.swt.dnd.FileTransfer;
	import org.eclipse.swt.dnd.Transfer;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.ISelectionListener;
	import org.eclipse.ui.IViewSite;
	import org.eclipse.ui.IWorkbenchPart;
	import org.eclipse.ui.PartInitException;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
	import org.eclipse.ui.internal.browser.BrowserViewer;
	import org.eclipse.ui.internal.browser.IBrowserViewerContainer;
	import org.eclipse.ui.internal.browser.WebBrowserUtil;
	import org.eclipse.ui.internal.browser.WebBrowserViewDropAdapter;
	import org.eclipse.ui.part.ISetSelectionTarget;
	import org.eclipse.ui.part.ViewPart;

	import com.google.inject.Inject;

	/**
	* Parts copied from org.eclipse.ui.internal.browser.WebBrowserView
	*/
	@SuppressWarnings("restriction")
	public class ECViewIDEPreviewPart extends ViewPart implements
	IBrowserViewerContainer, ISetSelectionTarget, IUiRenderedListener {

	private static String URL = "http://localhost:%s/idepreview";

	protected BrowserViewer viewer;
	protected ISelectionListener listener;

	@Inject
	private ECViewVaadinSynchronizer synchronizer;

	private Set<Action> exposedActions = new HashSet<Action>();

	public ECViewIDEPreviewPart() {

	}

	public void createPartControl(Composite parent) {
	int style = WebBrowserUtil.decodeStyle(getViewSite().getSecondaryId());
	viewer = new BrowserViewer(parent, style);
	viewer.setContainer(this);

	String port = System.getProperty("preview.port", "8099");
	viewer.setURL(String.format(URL, port));

	getViewSite().getActionBars().getMenuManager()
	.add(new LinkWithEditorAction());
	getViewSite().getActionBars().getMenuManager()
	.add(new ShowLayoutBoundsAction());

	/*
	* PropertyChangeListener propertyChangeListener = new
	* PropertyChangeListener() { public void
	* propertyChange(PropertyChangeEvent event) { if
	* (BrowserViewer.PROPERTY_TITLE.equals(event.getPropertyName())) {
	* setPartName((String) event.getNewValue()); } } };
	* viewer.addPropertyChangeListener(propertyChangeListener);
	*/
	initDragAndDrop();
	}

	@Override
	public void init(IViewSite site) throws PartInitException {
	super.init(site);
	synchronizer.start(site);
	PreviewActivator.getIDEPreviewHandler().setPart(this);
	}

	@PreDestroy
	public void predestroy() {
	viewer.setURL("blank");
	}

	public void dispose() {
	PreviewActivator.getIDEPreviewHandler().setPart(null);
	synchronizer.stop(getSite());

	if (viewer != null)
	viewer.setContainer(null);

	if (listener != null)
	removeSelectionListener();

	super.dispose();
	}

	public void setURL(String url) {
	if (viewer != null)
	viewer.setURL(url);
	}

	public void setFocus() {
	viewer.setFocus();
	}

	public boolean close() {
	try {
	viewer.setURL("blank");
	getSite().getPage().hideView(this);
	return true;
	} catch (Exception e) {
	return false;
	}
	}

	public IActionBars getActionBars() {
	return getViewSite().getActionBars();
	}

	public void openInExternalBrowser(String url) {
	try {
	URL theURL = new URL(url);
	IWorkbenchBrowserSupport support = PlatformUI.getWorkbench()
	.getBrowserSupport();
	support.getExternalBrowser().openURL(theURL);
	} catch (MalformedURLException e) {
	} catch (PartInitException e) {
	}
	}

	public void addSelectionListener() {
	if (listener != null)
	return;

	listener = new ISelectionListener() {
	public void selectionChanged(IWorkbenchPart part,
	ISelection selection) {
	onSelectionChange(selection);
	}
	};
	getSite().getWorkbenchWindow().getSelectionService()
	.addPostSelectionListener(listener);
	}

	private void onSelectionChange(ISelection selection) {
	if (!(selection instanceof IStructuredSelection))
	return;
	IStructuredSelection sel = (IStructuredSelection) selection;
	Object obj = sel.getFirstElement();
	if (obj instanceof IAdaptable) {
	IAdaptable adapt = (IAdaptable) obj;
	URL url = getURLFromAdaptable(adapt);
	if (url != null)
	setURL(url.toExternalForm());
	}
	}

	private URL getURLFromAdaptable(IAdaptable adapt) {
	// test for path
	IPath path = (IPath) adapt.getAdapter(IPath.class);
	if (path != null) {
	File file = path.toFile();
	if (file.exists() && isWebFile(file.getName()))
	try {
	return file.toURI().toURL();
	} catch (MalformedURLException e) {
	return null;
	}
	}
	return (URL) adapt.getAdapter(URL.class);
	}

	public void removeSelectionListener() {
	if (listener == null)
	return;
	getSite().getWorkbenchWindow().getSelectionService()
	.removePostSelectionListener(listener);
	listener = null;
	}

	/**
	* Return true if the filename has a "web" extension.
	*
	* @param name
	* @return
	*/
	protected boolean isWebFile(String name) {
	return name.endsWith("html") \|\| name.endsWith("htm") \|\| name.endsWith("gif") \|\| //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	name.endsWith("jpg"); //$NON-NLS-1$
	}

	/**
	* Adds drag and drop support to the view.
	*/
	protected void initDragAndDrop() {
	Transfer[] transfers = new Transfer[] {
	// LocalSelectionTransfer.getInstance(),
	// ResourceTransfer.getInstance(),
	FileTransfer.getInstance() };

	DropTarget dropTarget = new DropTarget(viewer, DND.DROP_COPY
	\| DND.DROP_DEFAULT);
	dropTarget.setTransfer(transfers);
	dropTarget.addDropListener(new CustomWebBrowserViewDropAdapter(viewer));
	}

	public void selectReveal(ISelection selection) {
	onSelectionChange(selection);
	}

	public void setBrowserViewName(String name) {
	setPartName(name);
	}

	public void setBrowserViewTooltip(String tip) {
	setTitleToolTip(tip);
	}

	public void notifyNewViewRendered(final IViewContext context) {
	viewer.getDisplay().asyncExec(new Runnable() {
	@Override
	public void run() {
	// remove old actions
	for (Action action : exposedActions) {
	getViewSite().getActionBars().getToolBarManager()
	.remove(action.getId());
	}
	exposedActions.clear();

	// add the new exposed actions
	for (IExposedActionEditpart exposedAction : context
	.getExposedActions()) {

	// get the path of the icon
	String theme = PreviewActivator.getIDEPreviewHandler().getThemeName();
	String iconPath = String.format("VAADIN/themes/%s/%s", theme, exposedAction.getIconName());
	URL iconURL = PreviewActivator.getDefault().findResource(iconPath);

	Action action = null;
	if (exposedAction.getId().equals(
	"org.eclipse.osbp.actions.load")) {
	action = new ExposedLoadAction(exposedAction.getId(),exposedAction
	.getDescription(), exposedAction.getIconName(), iconURL);
	} else if (exposedAction.getId().equals(
	"org.eclipse.osbp.actions.save")) {
	action = new ExposedSaveAction(exposedAction.getId(),exposedAction
	.getDescription(), exposedAction.getIconName(), iconURL);
	} else if (exposedAction.getId().equals(
	"org.eclipse.osbp.actions.delete")) {
	action = new ExposedDeleteAction(exposedAction.getId(),exposedAction
	.getDescription(), exposedAction.getIconName(), iconURL);
	} else if (exposedAction.getId().equals(
	"org.eclipse.osbp.actions.find")) {
	action = new ExposedFindAction(exposedAction.getId(),exposedAction
	.getDescription(), exposedAction.getIconName(), iconURL);
	} else if (exposedAction.getId().equals(
	"org.eclipse.osbp.actions.create")) {
	action = new ExposedCreateAction(exposedAction.getId(),exposedAction
	.getDescription(), exposedAction.getIconName(), iconURL);
	} else {
	action = new ExposedNullAction(exposedAction.getId(),exposedAction
	.getDescription(), exposedAction.getIconName(), iconURL);
	}

	if (action != null) {
	exposedActions.add(action);
	getViewSite().getActionBars().getToolBarManager()
	.add(action);
	}
	}
	getViewSite().getActionBars().updateActionBars();
	}
	});
	}

	private static class CustomWebBrowserViewDropAdapter extends
	WebBrowserViewDropAdapter {

	protected CustomWebBrowserViewDropAdapter(BrowserViewer view) {
	super(view);
	}
	}

	private class LinkWithEditorAction extends Action {

	public LinkWithEditorAction() {
	setText("Link with editor");
	setDescription("Links the selection in preview UI with the associated grammar element.");
	setToolTipText("Links the selection in preview UI with the associated grammar element.");
	setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
	PreviewActivator.BUNDLE_ID, "/icons/synced.gif"));
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {
	PreviewActivator.getIDEPreviewHandler().setLinkedWithEditor(isChecked());
	}
	}

	private class ShowLayoutBoundsAction extends Action {

	public ShowLayoutBoundsAction() {
	setText("Show layout bounds");
	setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
	PreviewActivator.BUNDLE_ID, "/icons/bounds.png"));
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {
	PreviewActivator.getIDEPreviewHandler().setShowLayoutBounds(isChecked());
	}
	}

	private class ExposedLoadAction extends Action {

	public ExposedLoadAction(String id, String text, String icon, URL iconURL) {
	super(text, IAction.AS_PUSH_BUTTON);
	setId(id);
	if(iconURL != null){
	setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
	}else{
	setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
	PreviewActivator.BUNDLE_ID, "icons/load.gif"));
	}
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {

	}
	}

	private class ExposedSaveAction extends Action {

	public ExposedSaveAction(String id, String text, String icon, URL iconURL) {
	super(text, IAction.AS_PUSH_BUTTON);
	setId(id);
	if(iconURL != null){
	setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
	}else{
	setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
	PreviewActivator.BUNDLE_ID, "icons/save.gif"));
	}
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {

	}
	}

	private class ExposedDeleteAction extends Action {

	public ExposedDeleteAction(String id, String text, String icon, URL iconURL) {
	super(text, IAction.AS_PUSH_BUTTON);
	setId(id);
	if(iconURL != null){
	setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
	}else{
	setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
	PreviewActivator.BUNDLE_ID, "icons/trash.gif"));
	}
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {

	}
	}

	private class ExposedFindAction extends Action {

	public ExposedFindAction(String id, String text, String icon, URL iconURL) {
	super(text, IAction.AS_PUSH_BUTTON);
	setId(id);
	if(iconURL != null){
	setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
	}else{
	setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
	PreviewActivator.BUNDLE_ID, "icons/search.gif"));
	}
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {

	}
	}

	private class ExposedCreateAction extends Action {

	public ExposedCreateAction(String id, String text, String icon, URL iconURL) {
	super(text, IAction.AS_PUSH_BUTTON);
	setId(id);
	if(iconURL != null){
	setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
	}else{
	setImageDescriptor(PreviewActivator.imageDescriptorFromPlugin(
	PreviewActivator.BUNDLE_ID, "icons/new.gif"));
	}
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {

	}
	}

	private class ExposedNullAction extends Action {

	public ExposedNullAction(String id, String text, String icon, URL iconURL) {
	super(text, IAction.AS_PUSH_BUTTON);
	setId(id);
	if(iconURL != null){
	setImageDescriptor(ImageDescriptor.createFromURL(iconURL));
	}
	setChecked(false);
	setEnabled(true);
	}

	@Override
	public void run() {

	}
	}

	}