| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.text.ITextSelection; |
| |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester; |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| 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; |
| |
| /** |
| * Introduces a new method parameter from a selected expression. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 3.0 |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class IntroduceParameterAction 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 IntroduceParameterAction(JavaEditor editor) { |
| super(editor.getEditorSite()); |
| setText(RefactoringMessages.IntroduceParameterAction_label); |
| fEditor= editor; |
| setEnabled(SelectionConverter.getInputAsCompilationUnit(fEditor) != null); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.INTRODUCE_PARAMETER_ACTION); |
| } |
| |
| /* (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. |
| * |
| * @param selection the Java text selection |
| * @noreference This method is not intended to be referenced by clients. |
| */ |
| public void selectionChanged(JavaTextSelection selection) { |
| setEnabled(RefactoringAvailabilityTester.isIntroduceParameterAvailable(selection)); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction |
| */ |
| public void run(ITextSelection selection) { |
| if (!ActionUtil.isEditable(fEditor)) |
| return; |
| ICompilationUnit unit= SelectionConverter.getInputAsCompilationUnit(fEditor); |
| RefactoringExecutionStarter.startIntroduceParameter(unit, selection.getOffset(), selection.getLength(), getShell()); |
| } |
| } |