/*******************************************************************************
* Copyright (c) 2007, 2009 Spring IDE Developers
* 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:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.beans.ui.refactoring.actions;
import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceDescription;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.resources.ResourcesPlugin;
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.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.ExceptionHandler;
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.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.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.GlobalBuildAction;
import org.eclipse.ui.dialogs.ListDialog;
/**
* For compatibility reasons ported to 3.2 from the 3.3 code base.
* <p>
* TODO CD remove {@link RefactoringSaveHelper} and {@link RefactoringStarter}as soon as Spring IDE only runs on Eclipse 3.3.
* @author Christian Dupuis
* @since 2.0
*/
@SuppressWarnings("restriction")
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 save all unknown editors, i.e. those that don't work on
* resources, don't use file buffers, or are otherwise suspect.
*
* Used for refactorings with participants or qualified name updating.
*/
public static final int SAVE_NON_JAVA_UPDATES = 3;
/**
* Save mode to save only dirty editors on compilation units that are not in
* working copy mode.
*
* Used for refactorings without participants or qualified name updating.
*/
public static final int SAVE_JAVA_ONLY_UPDATES = 4;
/**
* Save mode to not save save any editors.
*/
public static final int SAVE_NOTHING = 5;
/**
* @param saveMode one of the SAVE_* constants
*/
public RefactoringSaveHelper(int saveMode) {
Assert.isTrue(saveMode == SAVE_ALL_ALWAYS_ASK || saveMode == SAVE_ALL
|| saveMode == SAVE_NON_JAVA_UPDATES
|| saveMode == SAVE_JAVA_ONLY_UPDATES
|| saveMode == SAVE_NOTHING);
fSaveMode = saveMode;
}
/**
* @param shell
* @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(false);
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.
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IWorkspaceDescription description = workspace.getDescription();
boolean autoBuild = description.isAutoBuilding();
description.setAutoBuilding(false);
workspace.setDescription(description);
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 {
description.setAutoBuilding(autoBuild);
workspace.setDescription(description);
}
return true;
}
catch (CoreException e) {
ExceptionHandler
.handle(
e,
shell,
RefactoringMessages.RefactoringStarter_saving,
RefactoringMessages.RefactoringStarter_unexpected_exception);
return false;
}
}
public void triggerBuild() {
if (fFilesSaved
&& ResourcesPlugin.getWorkspace().getDescription()
.isAutoBuilding()) {
new GlobalBuildAction(JavaPlugin.getActiveWorkbenchWindow(),
IncrementalProjectBuilder.INCREMENTAL_BUILD).run();
}
}
private boolean askSaveAllDirtyEditors(Shell shell,
IEditorPart[] dirtyEditors) {
final boolean canSaveAutomatically = fSaveMode != SAVE_ALL_ALWAYS_ASK;
if (canSaveAutomatically
&& RefactoringSavePreferences.getSaveAllEditors()) {
// 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.setAddCancelButton(true);
dialog.setLabelProvider(createDialogLabelProvider());
dialog.setMessage(RefactoringMessages.RefactoringStarter_must_save);
dialog.setContentProvider(new ArrayContentProvider());
dialog.setInput(Arrays.asList(dirtyEditors));
return dialog.open() == Window.OK;
}
public boolean hasFilesSaved() {
return fFilesSaved;
}
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();
}
};
}
}