| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Sebastian Davids - Fixed bug 25898 |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.ui.actions; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.text.ITextSelection; |
| 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.ltk.ui.refactoring.RefactoringUI; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.wst.jsdt.core.IJavaScriptUnit; |
| import org.eclipse.wst.jsdt.core.ISourceRange; |
| import org.eclipse.wst.jsdt.internal.corext.refactoring.base.JavaStatusContext; |
| import org.eclipse.wst.jsdt.internal.corext.refactoring.surround.ISurroundWithTryCatchQuery; |
| import org.eclipse.wst.jsdt.internal.corext.refactoring.surround.SurroundWithTryCatchRefactoring; |
| import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.wst.jsdt.internal.ui.actions.ActionUtil; |
| import org.eclipse.wst.jsdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.wst.jsdt.internal.ui.actions.WorkbenchRunnableAdapter; |
| import org.eclipse.wst.jsdt.internal.ui.javaeditor.CompilationUnitEditor; |
| import org.eclipse.wst.jsdt.internal.ui.refactoring.RefactoringMessages; |
| import org.eclipse.wst.jsdt.internal.ui.util.BusyIndicatorRunnableContext; |
| import org.eclipse.wst.jsdt.internal.ui.util.ElementValidator; |
| import org.eclipse.wst.jsdt.internal.ui.util.ExceptionHandler; |
| |
| /** |
| * 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> |
| * |
| * |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| public class SurroundWithTryCatchAction extends SelectionDispatchAction { |
| |
| private CompilationUnitEditor fEditor; |
| |
| private static class Query implements ISurroundWithTryCatchQuery { |
| private Shell fParent; |
| public Query(Shell shell) { |
| fParent= shell; |
| } |
| public boolean catchRuntimeException() { |
| MessageDialog dialog = new MessageDialog( |
| fParent, getDialogTitle(), null, // accept the default window icon |
| RefactoringMessages.SurroundWithTryCatchAction_no_exceptions, |
| MessageDialog.QUESTION, |
| new String[] {IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL}, |
| 1) { |
| // Work around for http://dev.eclipse.org/bugs/show_bug.cgi?id=18303 |
| protected void createButtonsForButtonBar(Composite parent) { |
| super.createButtonsForButtonBar(parent); |
| Button button= getButton(1); |
| if (button != null) |
| button.setFocus(); |
| } |
| }; |
| return dialog.open() == 0; // yes selected |
| } |
| } |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the compilation unit editor |
| */ |
| public SurroundWithTryCatchAction(CompilationUnitEditor editor) { |
| super(editor.getEditorSite()); |
| setText(RefactoringMessages.SurroundWithTryCatchAction_label); |
| fEditor= editor; |
| setEnabled((fEditor != null && SelectionConverter.getInputAsCompilationUnit(fEditor) != null)); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SURROUND_WITH_TRY_CATCH_ACTION); |
| } |
| |
| public void run(ITextSelection selection) { |
| if (!ActionUtil.isEditable(fEditor)) |
| return; |
| IJavaScriptUnit cu= SelectionConverter.getInputAsCompilationUnit(fEditor); |
| if (cu == null || !ElementValidator.checkValidateEdit(cu, getShell(), getDialogTitle())) |
| return; |
| SurroundWithTryCatchRefactoring refactoring= SurroundWithTryCatchRefactoring.create(cu, selection, new Query(getShell())); |
| |
| 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= RefactoringUI.createUIAwareChangeOperation(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()); |
| } 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 |
| } |
| } |
| |
| public void selectionChanged(ITextSelection selection) { |
| setEnabled(selection.getLength() > 0 && (fEditor != null && SelectionConverter.getInputAsCompilationUnit(fEditor) != null)); |
| } |
| |
| private static String getDialogTitle() { |
| return RefactoringMessages.SurroundWithTryCatchAction_dialog_title; |
| } |
| } |