| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.ui.actions; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.wst.jsdt.core.IJavaScriptUnit; |
| import org.eclipse.wst.jsdt.internal.corext.refactoring.RefactoringAvailabilityTester; |
| import org.eclipse.wst.jsdt.internal.corext.refactoring.RefactoringExecutionStarter; |
| import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.wst.jsdt.internal.ui.actions.ActionUtil; |
| import org.eclipse.wst.jsdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.wst.jsdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.wst.jsdt.internal.ui.javaeditor.JavaTextSelection; |
| import org.eclipse.wst.jsdt.internal.ui.refactoring.RefactoringMessages; |
| import org.eclipse.wst.jsdt.internal.ui.util.ExceptionHandler; |
| |
| /** |
| * Introduces a new method parameter from a selected expression. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| 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 JavaScript editor |
| */ |
| 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. |
| */ |
| 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; |
| try{ |
| IJavaScriptUnit unit= SelectionConverter.getInputAsCompilationUnit(fEditor); |
| RefactoringExecutionStarter.startIntroduceParameter(unit, selection.getOffset(), selection.getLength(), getShell()); |
| } catch (CoreException e){ |
| ExceptionHandler.handle(e, RefactoringMessages.IntroduceParameterAction_dialog_title, RefactoringMessages.NewTextRefactoringAction_exception); |
| } |
| } |
| } |