| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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 |
| * Sebastian Davids - Fixed bug 25898 |
| *******************************************************************************/ |
| package org.eclipse.jdt.ui.actions; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| |
| import org.eclipse.jface.dialogs.MessageDialog; |
| |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.ITextSelection; |
| |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.PerformChangeOperation; |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| import org.eclipse.ltk.core.refactoring.RefactoringStatusEntry; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.ISourceRange; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.base.JavaStatusContext; |
| import org.eclipse.jdt.internal.corext.refactoring.surround.SurroundWithTryCatchRefactoring; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.actions.ActionUtil; |
| import org.eclipse.jdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter; |
| import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor; |
| import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages; |
| import org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext; |
| import org.eclipse.jdt.internal.ui.util.ElementValidator; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| import org.eclipse.jdt.internal.ui.viewsupport.LinkedProposalModelPresenter; |
| |
| /** |
| * Action to surround a set of statements with a try/catch block. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 2.0 |
| * |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class SurroundWithTryCatchAction extends SelectionDispatchAction { |
| |
| CompilationUnitEditor fEditor; |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the compilation unit editor |
| * |
| * @noreference This constructor is not intended to be referenced by clients. |
| */ |
| public SurroundWithTryCatchAction(CompilationUnitEditor editor) { |
| super(editor.getEditorSite()); |
| setText(RefactoringMessages.SurroundWithTryCatchAction_label); |
| fEditor= editor; |
| setEnabled(isApplicable()); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SURROUND_WITH_TRY_CATCH_ACTION); |
| } |
| |
| @Override |
| public void run(ITextSelection selection) { |
| if (!ActionUtil.isEditable(fEditor)) |
| return; |
| ICompilationUnit cu= SelectionConverter.getInputAsCompilationUnit(fEditor); |
| if (cu == null || !ElementValidator.checkValidateEdit(cu, getShell(), getDialogTitle())) |
| return; |
| SurroundWithTryCatchRefactoring refactoring= createRefactoring(selection, cu); |
| |
| if (refactoring == null) |
| return; |
| try { |
| RefactoringStatus status= refactoring.checkInitialConditions(new NullProgressMonitor()); |
| if (status.hasFatalError()) { |
| RefactoringStatusEntry entry= status.getEntryMatchingSeverity(RefactoringStatus.FATAL); |
| MessageDialog.openInformation(getShell(), getDialogTitle(), entry.getMessage()); |
| if (entry.getContext() instanceof JavaStatusContext && fEditor != null) { |
| JavaStatusContext context= (JavaStatusContext)entry.getContext(); |
| ISourceRange range= context.getSourceRange(); |
| fEditor.setHighlightRange(range.getOffset(), range.getLength(), true); |
| } |
| return; |
| } |
| if (refactoring.stopExecution()) |
| return; |
| Change change= refactoring.createChange(new NullProgressMonitor()); |
| change.initializeValidationData(new NullProgressMonitor()); |
| PerformChangeOperation op= new PerformChangeOperation(change); |
| // must be fork == false since file buffers can't be manipulated in a different thread. |
| WorkbenchRunnableAdapter adapter= new WorkbenchRunnableAdapter(op); |
| PlatformUI.getWorkbench().getProgressService().runInUI( |
| new BusyIndicatorRunnableContext(), adapter, adapter.getSchedulingRule()); |
| |
| new LinkedProposalModelPresenter().enterLinkedMode(fEditor.getViewer(), fEditor, false, refactoring.getLinkedProposalModel()); |
| |
| } catch (CoreException e) { |
| ExceptionHandler.handle(e, getDialogTitle(), RefactoringMessages.SurroundWithTryCatchAction_exception); |
| } catch (InvocationTargetException e) { |
| ExceptionHandler.handle(e, getDialogTitle(), RefactoringMessages.SurroundWithTryCatchAction_exception); |
| } catch (InterruptedException e) { |
| // not cancelable |
| } catch (BadLocationException e) { |
| // ignore |
| } |
| } |
| |
| SurroundWithTryCatchRefactoring createRefactoring(ITextSelection selection, ICompilationUnit cu) { |
| return SurroundWithTryCatchRefactoring.create(cu, selection); |
| } |
| |
| @Override |
| public void selectionChanged(ITextSelection selection) { |
| setEnabled(selection.getLength() > 0 && isApplicable()); |
| } |
| |
| boolean isApplicable() { |
| return fEditor != null && SelectionConverter.getInputAsCompilationUnit(fEditor) != null; |
| } |
| |
| String getDialogTitle() { |
| return RefactoringMessages.SurroundWithTryCatchAction_dialog_title; |
| } |
| } |