| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| |
| 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.IClassFile; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IMethod; |
| 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 that introduces an indirection for a certain method. This action may be invoked |
| * on source or binary methods or method invocations with or without attached source. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 3.2 |
| */ |
| public class IntroduceIndirectionAction extends SelectionDispatchAction { |
| |
| private JavaEditor fEditor; |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the compilation unit editor |
| */ |
| public IntroduceIndirectionAction(JavaEditor editor) { |
| this(editor.getEditorSite()); |
| fEditor= editor; |
| setEnabled(true); |
| } |
| |
| /** |
| * Creates a new <code>IntroduceIndirectionAction</code>. |
| * |
| * @param site the site providing context information for this action |
| */ |
| public IntroduceIndirectionAction(IWorkbenchSite site) { |
| super(site); |
| setText(RefactoringMessages.IntroduceIndirectionAction_title); |
| setToolTipText(RefactoringMessages.IntroduceIndirectionAction_tooltip); |
| setDescription(RefactoringMessages.IntroduceIndirectionAction_description); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.INTRODUCE_INDIRECTION_ACTION); |
| } |
| |
| //---- structured selection -------------------------------------------------- |
| |
| /* |
| * @see SelectionDispatchAction#selectionChanged(IStructuredSelection) |
| */ |
| public void selectionChanged(IStructuredSelection selection) { |
| try { |
| setEnabled(RefactoringAvailabilityTester.isIntroduceIndirectionAvailable(selection)); |
| } catch (JavaModelException e) { |
| if (JavaModelUtil.isExceptionToBeLogged(e)) |
| JavaPlugin.log(e); |
| } |
| } |
| |
| /* |
| * @see SelectionDispatchAction#selectionChanged(ITextSelection) |
| */ |
| public void selectionChanged(ITextSelection selection) { |
| setEnabled(true); |
| } |
| |
| /** |
| * Note: This method is for internal use only. Clients should not call this method. |
| */ |
| public void selectionChanged(JavaTextSelection selection) { |
| try { |
| setEnabled(RefactoringAvailabilityTester.isIntroduceIndirectionAvailable(selection)); |
| } catch (JavaModelException e) { |
| setEnabled(false); |
| } |
| } |
| |
| /* |
| * @see SelectionDispatchAction#run(IStructuredSelection) |
| */ |
| public void run(IStructuredSelection selection) { |
| try { |
| Assert.isTrue(RefactoringAvailabilityTester.isIntroduceIndirectionAvailable(selection)); |
| Object first= selection.getFirstElement(); |
| Assert.isTrue(first instanceof IMethod); |
| run((IMethod) first); |
| } catch (CoreException e) { |
| ExceptionHandler.handle(e, RefactoringMessages.IntroduceIndirectionAction_dialog_title, RefactoringMessages.IntroduceIndirectionAction_unknown_exception); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction |
| */ |
| public void run(ITextSelection selection) { |
| try { |
| Object editorInput= SelectionConverter.getInput(fEditor); |
| if (editorInput instanceof ICompilationUnit) |
| run(selection.getOffset(), selection.getLength(), (ICompilationUnit) editorInput); |
| else if (editorInput instanceof IClassFile) |
| run(selection.getOffset(), selection.getLength(), (IClassFile) editorInput); |
| } catch (JavaModelException e) { |
| ExceptionHandler.handle(e, getShell(), RefactoringMessages.IntroduceIndirectionAction_dialog_title, RefactoringMessages.IntroduceIndirectionAction_unknown_exception); |
| } |
| } |
| |
| private void run(int offset, int length, ICompilationUnit unit) throws JavaModelException { |
| if (!ActionUtil.isProcessable(getShell(), unit)) |
| return; |
| RefactoringExecutionStarter.startIntroduceIndirectionRefactoring(unit, offset, length, getShell()); |
| } |
| |
| private void run(int offset, int length, IClassFile file) throws JavaModelException { |
| if (!ActionUtil.isProcessable(getShell(), file)) |
| return; |
| RefactoringExecutionStarter.startIntroduceIndirectionRefactoring(file, offset, length, getShell()); |
| } |
| |
| private void run(IMethod method) throws JavaModelException { |
| if (!ActionUtil.isProcessable(getShell(), method)) |
| return; |
| RefactoringExecutionStarter.startIntroduceIndirectionRefactoring(method, getShell()); |
| } |
| } |