| /******************************************************************************* |
| * 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.refactoring; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.Arrays; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| |
| import org.eclipse.core.resources.IncrementalProjectBuilder; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.window.Window; |
| |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.actions.GlobalBuildAction; |
| import org.eclipse.ui.dialogs.ListDialog; |
| |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility; |
| import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages; |
| import org.eclipse.jdt.internal.ui.refactoring.RefactoringSavePreferences; |
| import org.eclipse.jdt.internal.ui.util.CoreUtility; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| |
| |
| /** |
| * Helper to save dirty editors prior to starting a refactoring. |
| * |
| * @see PreferenceConstants#REFACTOR_SAVE_ALL_EDITORS |
| * @since 3.5 |
| * |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class RefactoringSaveHelper { |
| |
| private boolean fFilesSaved; |
| private final int fSaveMode; |
| |
| /** |
| * Save mode to save all dirty editors (always ask). |
| */ |
| public static final int SAVE_ALL_ALWAYS_ASK= 1; |
| |
| /** |
| * Save mode to save all dirty editors. |
| */ |
| public static final int SAVE_ALL= 2; |
| |
| /** |
| * Save mode to not save any editors. |
| */ |
| public static final int SAVE_NOTHING= 3; |
| |
| /** |
| * Save mode to save all editors that are known to cause trouble for Java refactorings, e.g. |
| * editors on compilation units that are not in working copy mode. |
| */ |
| public static final int SAVE_REFACTORING= 4; |
| |
| /** |
| * Creates a refactoring save helper with the given save mode. |
| * |
| * @param saveMode one of the SAVE_* constants |
| */ |
| public RefactoringSaveHelper(int saveMode) { |
| Assert.isLegal(saveMode == SAVE_ALL_ALWAYS_ASK |
| || saveMode == SAVE_ALL |
| || saveMode == SAVE_NOTHING |
| || saveMode == SAVE_REFACTORING); |
| fSaveMode= saveMode; |
| } |
| |
| /** |
| * Saves all editors. Depending on the {@link PreferenceConstants#REFACTOR_SAVE_ALL_EDITORS} |
| * preference, the user is asked to save affected dirty editors. |
| * |
| * @param shell the parent shell for the confirmation dialog |
| * @return <code>true</code> if save was successful and refactoring can proceed; |
| * false if the refactoring must be cancelled |
| */ |
| public boolean saveEditors(Shell shell) { |
| final IEditorPart[] dirtyEditors; |
| switch (fSaveMode) { |
| case SAVE_ALL_ALWAYS_ASK: |
| case SAVE_ALL: |
| dirtyEditors= EditorUtility.getDirtyEditors(true); |
| break; |
| |
| case SAVE_REFACTORING: |
| dirtyEditors= EditorUtility.getDirtyEditorsToSave(false); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=175495 |
| break; |
| |
| case SAVE_NOTHING: |
| return true; |
| |
| default: |
| throw new IllegalStateException(Integer.toString(fSaveMode)); |
| } |
| if (dirtyEditors.length == 0) |
| return true; |
| if (! askSaveAllDirtyEditors(shell, dirtyEditors)) |
| return false; |
| try { |
| // Save isn't cancelable. |
| boolean autoBuild= CoreUtility.setAutoBuilding(false); |
| try { |
| if (fSaveMode == SAVE_ALL_ALWAYS_ASK || fSaveMode == SAVE_ALL |
| || RefactoringSavePreferences.getSaveAllEditors()) { |
| if (!JavaPlugin.getActiveWorkbenchWindow().getWorkbench().saveAllEditors(false)) |
| return false; |
| } else { |
| IRunnableWithProgress runnable= new IRunnableWithProgress() { |
| public void run(IProgressMonitor pm) throws InterruptedException { |
| int count= dirtyEditors.length; |
| pm.beginTask("", count); //$NON-NLS-1$ |
| for (int i= 0; i < count; i++) { |
| IEditorPart editor= dirtyEditors[i]; |
| editor.doSave(new SubProgressMonitor(pm, 1)); |
| if (pm.isCanceled()) |
| throw new InterruptedException(); |
| } |
| pm.done(); |
| } |
| }; |
| try { |
| PlatformUI.getWorkbench().getProgressService().runInUI(JavaPlugin.getActiveWorkbenchWindow(), runnable, null); |
| } catch (InterruptedException e) { |
| return false; |
| } catch (InvocationTargetException e) { |
| ExceptionHandler.handle(e, shell, |
| RefactoringMessages.RefactoringStarter_saving, RefactoringMessages.RefactoringStarter_unexpected_exception); |
| return false; |
| } |
| } |
| fFilesSaved= true; |
| } finally { |
| CoreUtility.setAutoBuilding(autoBuild); |
| } |
| return true; |
| } catch (CoreException e) { |
| ExceptionHandler.handle(e, shell, |
| RefactoringMessages.RefactoringStarter_saving, RefactoringMessages.RefactoringStarter_unexpected_exception); |
| return false; |
| } |
| } |
| |
| /** |
| * Triggers an incremental build if this save helper did save files before. |
| */ |
| public void triggerIncrementalBuild() { |
| if (fFilesSaved && ResourcesPlugin.getWorkspace().getDescription().isAutoBuilding()) { |
| new GlobalBuildAction(JavaPlugin.getActiveWorkbenchWindow(), IncrementalProjectBuilder.INCREMENTAL_BUILD).run(); |
| } |
| } |
| |
| /** |
| * Returns whether this save helper did actually save any files. |
| * |
| * @return <code>true</code> iff files have been saved |
| */ |
| public boolean didSaveFiles() { |
| return fFilesSaved; |
| } |
| |
| private boolean askSaveAllDirtyEditors(Shell shell, IEditorPart[] dirtyEditors) { |
| final boolean canSaveAutomatically= fSaveMode != SAVE_ALL_ALWAYS_ASK; |
| if (canSaveAutomatically && RefactoringSavePreferences.getSaveAllEditors()) //must save everything |
| return true; |
| ListDialog dialog= new ListDialog(shell) { |
| { |
| setShellStyle(getShellStyle() | SWT.APPLICATION_MODAL); |
| } |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| Composite result= (Composite) super.createDialogArea(parent); |
| if (canSaveAutomatically) { |
| final Button check= new Button(result, SWT.CHECK); |
| check.setText(RefactoringMessages.RefactoringStarter_always_save); |
| check.setSelection(RefactoringSavePreferences.getSaveAllEditors()); |
| check.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| RefactoringSavePreferences.setSaveAllEditors(check.getSelection()); |
| } |
| }); |
| applyDialogFont(result); |
| } |
| return result; |
| } |
| }; |
| dialog.setTitle(RefactoringMessages.RefactoringStarter_save_all_resources); |
| dialog.setLabelProvider(createDialogLabelProvider()); |
| dialog.setMessage(RefactoringMessages.RefactoringStarter_must_save); |
| dialog.setContentProvider(new ArrayContentProvider()); |
| dialog.setInput(Arrays.asList(dirtyEditors)); |
| return dialog.open() == Window.OK; |
| } |
| |
| private ILabelProvider createDialogLabelProvider() { |
| return new LabelProvider() { |
| @Override |
| public Image getImage(Object element) { |
| return ((IEditorPart) element).getTitleImage(); |
| } |
| @Override |
| public String getText(Object element) { |
| return ((IEditorPart) element).getTitle(); |
| } |
| }; |
| } |
| } |