| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.ui.actions; |
| |
| |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| |
| import org.eclipse.jface.text.ITextSelection; |
| |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.ISourceRange; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester; |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter; |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.actions.ActionUtil; |
| import org.eclipse.jdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection; |
| import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| |
| /** |
| * Action to convert an anonymous inner class to a nested class. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 2.1 |
| * |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class ConvertAnonymousToNestedAction extends SelectionDispatchAction { |
| |
| private final JavaEditor fEditor; |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the java editor |
| * |
| * @noreference This constructor is not intended to be referenced by clients. |
| */ |
| public ConvertAnonymousToNestedAction(JavaEditor editor) { |
| super(editor.getEditorSite()); |
| setText(RefactoringMessages.ConvertAnonymousToNestedAction_Convert_Anonymous); |
| fEditor= editor; |
| setEnabled(SelectionConverter.getInputAsCompilationUnit(fEditor) != null); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CONVERT_ANONYMOUS_TO_NESTED_ACTION); |
| } |
| |
| /** |
| * Creates a new <code>ConvertAnonymousToNestedAction</code>. The action requires |
| * that the selection provided by the site's selection provider is of type |
| * <code>org.eclipse.jface.viewers.IStructuredSelection</code>. |
| * |
| * @param site the site providing context information for this action |
| */ |
| public ConvertAnonymousToNestedAction(IWorkbenchSite site) { |
| super(site); |
| fEditor= null; |
| setText(RefactoringMessages.ConvertAnonymousToNestedAction_Convert_Anonymous); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CONVERT_ANONYMOUS_TO_NESTED_ACTION); |
| } |
| |
| //---- Structured selection ----------------------------------------------------- |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction |
| */ |
| @Override |
| public void selectionChanged(IStructuredSelection selection) { |
| try { |
| setEnabled(RefactoringAvailabilityTester.isConvertAnonymousAvailable(selection)); |
| } catch (JavaModelException e) { |
| if (JavaModelUtil.isExceptionToBeLogged(e)) |
| JavaPlugin.log(e); |
| setEnabled(false); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction |
| */ |
| @Override |
| public void run(IStructuredSelection selection) { |
| IType type= getElement(selection); |
| if (type == null) |
| return; |
| ISourceRange range; |
| try { |
| range= type.getNameRange(); |
| run(type.getCompilationUnit(), range.getOffset(), range.getLength()); |
| } catch (JavaModelException e) { |
| ExceptionHandler.handle(e, RefactoringMessages.ConvertAnonymousToNestedAction_dialog_title, RefactoringMessages.NewTextRefactoringAction_exception); |
| } |
| } |
| |
| private IType getElement(IStructuredSelection selection) { |
| if (selection.size() != 1) |
| return null; |
| Object element= selection.getFirstElement(); |
| if (!(element instanceof IType)) |
| return null; |
| IType type= (IType)element; |
| try { |
| if (type.isAnonymous()) |
| return type; |
| } catch (JavaModelException e) { |
| // fall through |
| } |
| return null; |
| } |
| |
| //---- Text selection ----------------------------------------------------------- |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction |
| */ |
| @Override |
| public void run(ITextSelection selection) { |
| run(SelectionConverter.getInputAsCompilationUnit(fEditor), selection.getOffset(), selection.getLength()); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction |
| */ |
| @Override |
| public void selectionChanged(ITextSelection selection) { |
| setEnabled(fEditor != null && SelectionConverter.getInputAsCompilationUnit(fEditor) != null); |
| } |
| |
| /** |
| * Note: This method is for internal use only. Clients should not call this method. |
| * @param selection the Java text selection (internal type) |
| * |
| * @noreference This method is not intended to be referenced by clients. |
| */ |
| @Override |
| public void selectionChanged(JavaTextSelection selection) { |
| try { |
| setEnabled(RefactoringAvailabilityTester.isConvertAnonymousAvailable(selection)); |
| } catch (JavaModelException e) { |
| setEnabled(false); |
| } |
| } |
| |
| //---- helpers ------------------------------------------------------------------- |
| |
| private void run(ICompilationUnit unit, int offset, int length) { |
| if (!ActionUtil.isEditable(fEditor, getShell(), unit)) |
| return; |
| RefactoringExecutionStarter.startConvertAnonymousRefactoring(unit, offset, length, getShell()); |
| } |
| } |