| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.CoreException; |
| |
| |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.text.TextSelection; |
| |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.ISourceRange; |
| 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.CompilationUnitEditor; |
| 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 encapsulates the a constructor call with a factory |
| * method. |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 3.0 |
| */ |
| public class IntroduceFactoryAction extends SelectionDispatchAction { |
| private CompilationUnitEditor fEditor; |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the compilation unit editor |
| */ |
| public IntroduceFactoryAction(CompilationUnitEditor editor) { |
| this(editor.getEditorSite()); |
| fEditor= editor; |
| setEnabled(SelectionConverter.getInputAsCompilationUnit(fEditor) != null); |
| } |
| |
| /** |
| * Creates a new <code>IntroduceFactoryAction</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 IntroduceFactoryAction(IWorkbenchSite site) { |
| super(site); |
| setText(RefactoringMessages.IntroduceFactoryAction_label); |
| setToolTipText(RefactoringMessages.IntroduceFactoryAction_tooltipText); |
| setDescription(RefactoringMessages.IntroduceFactoryAction_description); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.INTRODUCE_FACTORY_ACTION); |
| } |
| |
| //---- structured selection -------------------------------------------------- |
| |
| /* |
| * @see SelectionDispatchAction#selectionChanged(IStructuredSelection) |
| */ |
| public void selectionChanged(IStructuredSelection selection) { |
| try { |
| setEnabled(RefactoringAvailabilityTester.isIntroduceFactoryAvailable(selection)); |
| } catch (JavaModelException e) { |
| if (JavaModelUtil.isExceptionToBeLogged(e)) |
| JavaPlugin.log(e); |
| setEnabled(false);//no UI here - happens on selection changes |
| } |
| } |
| |
| /* |
| * @see SelectionDispatchAction#run(IStructuredSelection) |
| */ |
| public void run(IStructuredSelection selection) { |
| try { |
| // we have to call this here - no selection changed event is sent after a refactoring but it may still invalidate enablement |
| if (RefactoringAvailabilityTester.isIntroduceFactoryAvailable(selection)) { |
| IMethod method= (IMethod) selection.getFirstElement(); |
| if (!ActionUtil.isProcessable(getShell(), method)) |
| return; |
| ISourceRange range= method.getNameRange(); |
| RefactoringExecutionStarter.startIntroduceFactoryRefactoring(method.getCompilationUnit(), new TextSelection(range.getOffset(), range.getLength()), getShell()); |
| } |
| } catch (CoreException e) { |
| ExceptionHandler.handle(e, RefactoringMessages.IntroduceFactoryAction_dialog_title, RefactoringMessages.IntroduceFactoryAction_exception); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction |
| */ |
| 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. |
| */ |
| public void selectionChanged(JavaTextSelection selection) { |
| try { |
| setEnabled(RefactoringAvailabilityTester.isIntroduceFactoryAvailable(selection)); |
| } catch (JavaModelException e) { |
| setEnabled(false); |
| } |
| } |
| |
| public void run(ITextSelection selection) { |
| if (!ActionUtil.isProcessable(getShell(), fEditor)) |
| return; |
| try { |
| RefactoringExecutionStarter.startIntroduceFactoryRefactoring(SelectionConverter.getInputAsCompilationUnit(fEditor), selection, getShell()); |
| } catch (CoreException e) { |
| ExceptionHandler.handle(e, RefactoringMessages.IntroduceFactoryAction_dialog_title, RefactoringMessages.IntroduceFactoryAction_exception); |
| } |
| } |
| } |