Java tutorial
/******************************************************************************* * Copyright (c) 2007, 2010 IBM Corporation 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: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.wst.jsdt.internal.ui.util; import java.lang.reflect.InvocationTargetException; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IProjectDescription; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IConfigurationElement; import org.eclipse.core.runtime.IExtension; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.Platform; import org.eclipse.core.runtime.SubProgressMonitor; import org.eclipse.jface.action.IAction; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.window.Window; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IActionDelegate; import org.eclipse.ui.IObjectActionDelegate; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.dialogs.PreferencesUtil; import org.eclipse.ui.progress.IProgressService; import org.eclipse.wst.jsdt.core.IIncludePathEntry; import org.eclipse.wst.jsdt.core.IJavaScriptProject; import org.eclipse.wst.jsdt.core.IPackageFragmentRoot; import org.eclipse.wst.jsdt.core.JavaScriptCore; import org.eclipse.wst.jsdt.core.JavaScriptModelException; import org.eclipse.wst.jsdt.internal.core.JavaProject; import org.eclipse.wst.jsdt.internal.core.util.ConvertUtility; import org.eclipse.wst.jsdt.internal.core.util.Messages; import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin; import org.eclipse.wst.jsdt.internal.ui.Logger; /** * Not API */ public class ConvertAction implements IObjectActionDelegate, IActionDelegate { IWorkbenchPart fPart; Object[] fTarget; private static final String FACET_NATURE = "org.eclipse.wst.common.project.facet.core.nature"; //$NON-NLS-1$ private static final String FACET_PROPERTY_PAGE = "org.eclipse.wst.common.project.facet.ui.FacetsPropertyPage"; //$NON-NLS-1$ private void doInstall(IProject project, final boolean openProperties, IProgressMonitor monitor) { boolean configured = false; monitor.beginTask(Messages.converter_ConfiguringForJavaScript, 5); ConvertUtility convertor = new ConvertUtility(project); try { boolean hadBasicNature = ConvertUtility.hasNature(project); convertor.configure(new SubProgressMonitor(monitor, 1)); convertor.addBrowserSupport(!hadBasicNature, new SubProgressMonitor(monitor, 1)); if (!hadBasicNature) { /* * No nature before, so no existing include path. Define the * project itself as an source folder. */ JavaProject jp = (JavaProject) JavaScriptCore.create(project); IIncludePathEntry[] oldEntries = null; try { oldEntries = jp.getRawIncludepath(); List entries = new ArrayList(); for (int i = 0; i < oldEntries.length; i++) { if (oldEntries[i].getContentKind() != IPackageFragmentRoot.K_SOURCE || oldEntries[i].getEntryKind() != IIncludePathEntry.CPE_SOURCE) { entries.add(oldEntries[i]); } } oldEntries = (IIncludePathEntry[]) entries.toArray(new IIncludePathEntry[entries.size()]); } catch (JavaScriptModelException ex1) { Logger.log(Logger.ERROR_DEBUG, null, ex1); oldEntries = new IIncludePathEntry[0]; } IIncludePathEntry[] sourcePaths = convertor.getDefaultSourcePaths(project); IIncludePathEntry[] newEntries = new IIncludePathEntry[oldEntries.length + sourcePaths.length]; System.arraycopy(sourcePaths, 0, newEntries, 0, sourcePaths.length); System.arraycopy(oldEntries, 0, newEntries, sourcePaths.length, oldEntries.length); try { jp.setRawIncludepath(newEntries, project.getFullPath(), new SubProgressMonitor(monitor, 1)); } catch (JavaScriptModelException ex1) { Logger.log(Logger.ERROR_DEBUG, null, ex1); } } configured = true; } catch (CoreException ex) { Logger.logException(ex); } if (configured && openProperties) { showPropertiesOn(project, new SubProgressMonitor(monitor, 1)); } monitor.done(); } private void doUninstall(IProject project, IProgressMonitor monitor) { // ConvertUtility nature = new ConvertUtility(project); // try { // nature.deconfigure(); // } catch (CoreException ex) { // Logger.logException(ex); // } } void enableForFacets(IProject project) { try { IProjectDescription description = project.getDescription(); boolean hasNature = project.hasNature(FACET_NATURE); if (!hasNature) { List natures = new ArrayList(Arrays.asList(description.getNatureIds())); natures.add(FACET_NATURE); description.setNatureIds((String[]) natures.toArray(new String[natures.size()])); } if (!hasNature) project.setDescription(description, new NullProgressMonitor()); } catch (CoreException e) { Logger.logException(e); } } private void install(final IProject project, final boolean openProperties) { IProgressService service = null; if (fPart != null) { service = (IProgressService) fPart.getSite().getService(IProgressService.class); } if (service == null) { doInstall(project, openProperties, new NullProgressMonitor()); } else { IRunnableWithProgress runnable = new IRunnableWithProgress() { public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { doInstall(project, openProperties, monitor); } }; try { service.run(false, false, runnable); } catch (InvocationTargetException e) { Logger.logException(e); } catch (InterruptedException e) { Logger.logException(e); } } } public void run(IAction action) { if (fTarget == null) return; for (int i = 0; i < fTarget.length; i++) { if (fTarget[i] instanceof IResource) { final IProject project = ((IResource) fTarget[i]).getProject(); // Temporary until https://bugs.eclipse.org/bugs/show_bug.cgi?id=298483 is resolved // enableForFacets(project); if (!ConvertUtility.hasNature(project)) { /* Doesn't have nature, do a full install. */ install(project, i == fTarget.length - 1); } else { /* * Has nature, check for browser library on include path * and setup if not found. */ IJavaScriptProject jp = JavaScriptCore.create(project); IIncludePathEntry[] rawClasspath = null; try { rawClasspath = jp.getRawIncludepath(); } catch (JavaScriptModelException ex1) { Logger.log(Logger.ERROR_DEBUG, null, ex1); } boolean browserFound = false; for (int k = 0; rawClasspath != null && !browserFound && k < rawClasspath.length; k++) { if (rawClasspath[k].getPath().equals(ConvertUtility.BROWSER_LIBRARY_PATH)) { browserFound = true; } } if (!browserFound) { install(project, false); } } } } } public void selectionChanged(IAction action, ISelection selection) { if (selection instanceof IStructuredSelection) { fTarget = ((IStructuredSelection) selection).toArray(); } else { fTarget = null; } } public void setActivePart(IAction action, IWorkbenchPart targetPart) { fPart = targetPart; } private void showPropertiesOn(final IProject project, final IProgressMonitor monitor) { IExtension[] extensions = Platform.getExtensionRegistry().getExtensionPoint("org.eclipse.ui.propertyPages") //$NON-NLS-1$ .getExtensions(); final List pageIds = new ArrayList(8); pageIds.add(FACET_PROPERTY_PAGE); for (int i = 0; i < extensions.length; i++) { if (extensions[i].getNamespaceIdentifier().startsWith("org.eclipse.wst.jsdt.")) { //$NON-NLS-1$ IConfigurationElement[] configurationElements = extensions[i].getConfigurationElements(); for (int j = 0; j < configurationElements.length; j++) { if ("page".equals(configurationElements[j].getName())) { //$NON-NLS-1$ pageIds.add(configurationElements[j].getAttribute("id")); //$NON-NLS-1$ } } } } Shell shell = (Shell) fPart.getAdapter(Shell.class); if (shell == null) { IWorkbenchWindow activeWorkbenchWindow = JavaScriptPlugin.getDefault().getWorkbench() .getActiveWorkbenchWindow(); if (activeWorkbenchWindow != null) shell = activeWorkbenchWindow.getShell(); } final Shell finalShell = shell; if (finalShell != null) { finalShell.getDisplay().asyncExec(new Runnable() { public void run() { PreferenceDialog dialog = PreferencesUtil.createPropertyDialogOn(finalShell, project, "org.eclipse.wst.jsdt.ui.propertyPages.BuildPathsPropertyPage", //$NON-NLS-1$ (String[]) pageIds.toArray(new String[pageIds.size()]), null); if (dialog.open() == Window.CANCEL) { doUninstall(project, monitor); } } }); } } }