--- /dev/null
+/*******************************************************************************
+ * 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.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.ITypeRoot;
+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
+ *
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+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
+ *
+ * @noreference This constructor is not intended to be referenced by clients.
+ */
+ 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)
+ */
+ @Override
+ public void selectionChanged(IStructuredSelection selection) {
+ try {
+ setEnabled(RefactoringAvailabilityTester.isIntroduceIndirectionAvailable(selection));
+ } catch (JavaModelException e) {
+ if (JavaModelUtil.isExceptionToBeLogged(e))
+ JavaPlugin.log(e);
+ }
+ }
+
+ /*
+ * @see SelectionDispatchAction#selectionChanged(ITextSelection)
+ */
+ @Override
+ public void selectionChanged(ITextSelection selection) {
+ setEnabled(true);
+ }
+
+ /**
+ * Note: This method is for internal use only. Clients should not call this method.
+ *
+ * @param selection the Java text selection
+ * @noreference This method is not intended to be referenced by clients.
+ */
+ @Override
+ public void selectionChanged(JavaTextSelection selection) {
+ try {
+ setEnabled(RefactoringAvailabilityTester.isIntroduceIndirectionAvailable(selection));
+ } catch (JavaModelException e) {
+ setEnabled(false);
+ }
+ }
+
+ /*
+ * @see SelectionDispatchAction#run(IStructuredSelection)
+ */
+ @Override
+ public void run(IStructuredSelection selection) {
+ try {
+ Assert.isTrue(RefactoringAvailabilityTester.isIntroduceIndirectionAvailable(selection));
+ Object first= selection.getFirstElement();
+ Assert.isTrue(first instanceof IMethod);
+ if (!ActionUtil.isEditable(getShell(), (IMethod)first))
+ return;
+ run((IMethod) first);
+ } catch (CoreException e) {
+ ExceptionHandler.handle(e, RefactoringMessages.IntroduceIndirectionAction_dialog_title, RefactoringMessages.IntroduceIndirectionAction_unknown_exception);
+ }
+ }
+
+ /* (non-Javadoc)
+ * Method declared on SelectionDispatchAction
+ */
+ @Override
+ public void run(ITextSelection selection) {
+ if (!ActionUtil.isProcessable(fEditor))
+ return;
+ ITypeRoot editorInput= SelectionConverter.getInput(fEditor);
+ if (!ActionUtil.isEditable(getShell(), editorInput))
+ return;
+ if (editorInput instanceof ICompilationUnit)
+ run(selection.getOffset(), selection.getLength(), (ICompilationUnit) editorInput);
+ else if (editorInput instanceof IClassFile)
+ run(selection.getOffset(), selection.getLength(), (IClassFile) editorInput);
+ }
+
+ private void run(int offset, int length, ICompilationUnit unit) {
+ RefactoringExecutionStarter.startIntroduceIndirectionRefactoring(unit, offset, length, getShell());
+ }
+
+ private void run(int offset, int length, IClassFile file) {
+ RefactoringExecutionStarter.startIntroduceIndirectionRefactoring(file, offset, length, getShell());
+ }
+
+ private void run(IMethod method) {
+ RefactoringExecutionStarter.startIntroduceIndirectionRefactoring(method, getShell());
+ }
+}