| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.part.ISetSelectionTarget; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.buildpath.BuildpathDelta; |
| import org.eclipse.jdt.internal.corext.buildpath.ClasspathModifier; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.ui.JavaElementLabels; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement; |
| |
| //SelectedElements iff enabled: IPackageFragment || ICompilationUnit |
| public class ExcludeFromBuildpathAction extends BuildpathModifierAction { |
| |
| private final IRunnableContext fContext; |
| |
| public ExcludeFromBuildpathAction(IWorkbenchSite site) { |
| this(site, null, PlatformUI.getWorkbench().getProgressService()); |
| } |
| |
| public ExcludeFromBuildpathAction(IRunnableContext context, ISetSelectionTarget selectionTarget) { |
| this(null, selectionTarget, context); |
| } |
| |
| private ExcludeFromBuildpathAction(IWorkbenchSite site, ISetSelectionTarget selectionTarget, IRunnableContext context) { |
| super(site, selectionTarget, BuildpathModifierAction.EXCLUDE); |
| |
| fContext= context; |
| |
| setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Exclude_label); |
| setImageDescriptor(JavaPluginImages.DESC_ELCL_EXCLUDE_FROM_BUILDPATH); |
| setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Exclude_tooltip); |
| setDisabledImageDescriptor(JavaPluginImages.DESC_DLCL_EXCLUDE_FROM_BUILDPATH); |
| } |
| |
| @Override |
| public String getDetailedDescription() { |
| if (!isEnabled()) |
| return null; |
| |
| if (getSelectedElements().size() != 1) |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_Default_Exclude; |
| |
| IJavaElement elem= (IJavaElement) getSelectedElements().get(0); |
| String name= ClasspathModifier.escapeSpecialChars(JavaElementLabels.getElementLabel(elem, JavaElementLabels.ALL_DEFAULT)); |
| if (elem instanceof IPackageFragment) { |
| return Messages.format(NewWizardMessages.PackageExplorerActionGroup_FormText_ExcludePackage, name); |
| } else if (elem instanceof ICompilationUnit) { |
| return Messages.format(NewWizardMessages.PackageExplorerActionGroup_FormText_ExcludeFile, name); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public void run() { |
| final IJavaProject project; |
| Object object= getSelectedElements().get(0); |
| if (object instanceof ICompilationUnit) { |
| project= ((ICompilationUnit)object).getJavaProject(); |
| } else { |
| project= ((IPackageFragment)object).getJavaProject(); |
| } |
| |
| try { |
| final IRunnableWithProgress runnable= monitor -> { |
| try { |
| List<IResource> result= exclude(getSelectedElements(), project, monitor); |
| selectAndReveal(new StructuredSelection(result)); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } |
| }; |
| fContext.run(false, false, runnable); |
| } catch (final InvocationTargetException e) { |
| if (e.getCause() instanceof CoreException) { |
| showExceptionDialog((CoreException)e.getCause(), NewWizardMessages.ExcludeFromBuildathAction_ErrorTitle); |
| } else { |
| JavaPlugin.log(e); |
| } |
| } catch (final InterruptedException e) { |
| } |
| } |
| |
| private List<IResource> exclude(List<?> javaElements, IJavaProject project, IProgressMonitor monitor) throws JavaModelException { |
| if (monitor == null) |
| monitor= new NullProgressMonitor(); |
| try { |
| monitor.beginTask(NewWizardMessages.ClasspathModifier_Monitor_Excluding, javaElements.size() + 4); |
| |
| List<CPListElement> existingEntries= ClasspathModifier.getExistingEntries(project); |
| List<IResource> resources= new ArrayList<>(); |
| for (int i= 0; i < javaElements.size(); i++) { |
| IJavaElement javaElement= (IJavaElement) javaElements.get(i); |
| IPackageFragmentRoot root= (IPackageFragmentRoot) javaElement.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT); |
| CPListElement entry= ClasspathModifier.getClasspathEntry(existingEntries, root); |
| |
| IResource resource= ClasspathModifier.exclude(javaElement, entry, project, new SubProgressMonitor(monitor, 1)); |
| if (resource != null) { |
| resources.add(resource); |
| } |
| } |
| |
| ClasspathModifier.commitClassPath(existingEntries, project, new SubProgressMonitor(monitor, 4)); |
| |
| BuildpathDelta delta= new BuildpathDelta(getToolTipText()); |
| delta.setNewEntries(existingEntries.toArray(new CPListElement[existingEntries.size()])); |
| informListeners(delta); |
| |
| return resources; |
| } finally { |
| monitor.done(); |
| } |
| } |
| |
| @Override |
| protected boolean canHandle(IStructuredSelection elements) { |
| if (elements.size() == 0) |
| return false; |
| |
| for (Iterator<?> iter= elements.iterator(); iter.hasNext();) { |
| Object element= iter.next(); |
| if (element instanceof IPackageFragment) { |
| IPackageFragment fragment= (IPackageFragment)element; |
| if (ClasspathModifier.isDefaultFragment(fragment)) |
| return false; |
| if (ClasspathModifier.isInExternalOrArchive(fragment)) |
| return false; |
| } else if (element instanceof ICompilationUnit) { |
| } else { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| } |