| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ltk.internal.ui.refactoring; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Display; |
| |
| import org.eclipse.jface.text.IRewriteTarget; |
| import org.eclipse.jface.wizard.IWizardContainer; |
| |
| import org.eclipse.ui.IEditorPart; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.CreateChangeOperation; |
| import org.eclipse.ltk.core.refactoring.PerformChangeOperation; |
| |
| public class UIPerformChangeOperation extends PerformChangeOperation { |
| |
| private Display fDisplay; |
| private IWizardContainer fWizardContainer; |
| |
| public UIPerformChangeOperation(Display display, Change change, IWizardContainer container) { |
| super(change); |
| fDisplay= display; |
| fWizardContainer= container; |
| } |
| |
| public UIPerformChangeOperation(Display display, CreateChangeOperation op, IWizardContainer container) { |
| super(op); |
| fDisplay= display; |
| fWizardContainer= container; |
| } |
| |
| protected void executeChange(final IProgressMonitor pm) throws CoreException { |
| if (fDisplay != null && !fDisplay.isDisposed()) { |
| final CoreException[] exception= new CoreException[1]; |
| Runnable r= new Runnable() { |
| public void run() { |
| IRewriteTarget[] targets= null; |
| try { |
| final Button cancel= getCancelButton(); |
| targets= getRewriteTargets(); |
| beginCompoundChange(targets); |
| boolean enabled= true; |
| if (cancel != null && !cancel.isDisposed()) { |
| enabled= cancel.isEnabled(); |
| cancel.setEnabled(false); |
| } |
| try { |
| UIPerformChangeOperation.super.executeChange(pm); |
| } finally { |
| if (cancel != null && !cancel.isDisposed()) { |
| cancel.setEnabled(enabled); |
| } |
| } |
| } catch (CoreException e) { |
| exception[0]= e; |
| } finally { |
| if (targets != null) |
| endCompoundChange(targets); |
| } |
| } |
| }; |
| fDisplay.syncExec(r); |
| if (exception[0] != null) |
| throw new CoreException(exception[0].getStatus()); |
| } else { |
| IRewriteTarget[] targets= null; |
| try { |
| targets= getRewriteTargets(); |
| beginCompoundChange(targets); |
| super.executeChange(pm); |
| } finally { |
| if (targets != null) |
| endCompoundChange(targets); |
| } |
| } |
| } |
| |
| private static void beginCompoundChange(IRewriteTarget[] targets) { |
| for (int i= 0; i < targets.length; i++) { |
| targets[i].beginCompoundChange(); |
| } |
| } |
| |
| private static void endCompoundChange(IRewriteTarget[] targets) { |
| for (int i= 0; i < targets.length; i++) { |
| targets[i].endCompoundChange(); |
| } |
| } |
| |
| private static IRewriteTarget[] getRewriteTargets() { |
| IEditorPart[] editors= RefactoringUIPlugin.getInstanciatedEditors(); |
| List result= new ArrayList(editors.length); |
| for (int i= 0; i < editors.length; i++) { |
| IRewriteTarget target= (IRewriteTarget)editors[i].getAdapter(IRewriteTarget.class); |
| if (target != null) { |
| result.add(target); |
| } |
| } |
| return (IRewriteTarget[]) result.toArray(new IRewriteTarget[result.size()]); |
| } |
| |
| private Button getCancelButton() { |
| if (fWizardContainer instanceof RefactoringWizardDialog2) { |
| return ((RefactoringWizardDialog2)fWizardContainer).getCancelButton(); |
| } else if (fWizardContainer instanceof RefactoringWizardDialog) { |
| return ((RefactoringWizardDialog)fWizardContainer).getCancelButton(); |
| } |
| return null; |
| } |
| } |