/*******************************************************************************
* Copyright (c) 2007, 2013 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.ltk.ui.refactoring.resource;
import java.net.URI;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.LayoutConstants;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.ltk.core.refactoring.participants.DeleteRefactoring;
import org.eclipse.ltk.internal.core.refactoring.Resources;
import org.eclipse.ltk.internal.core.refactoring.resource.DeleteResourcesProcessor;
import org.eclipse.ltk.internal.ui.refactoring.BasicElementLabels;
import org.eclipse.ltk.internal.ui.refactoring.Messages;
import org.eclipse.ltk.internal.ui.refactoring.RefactoringUIMessages;
import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
/**
* A wizard for the delete resources refactoring.
*
* @since 3.4
*/
public class DeleteResourcesWizard extends RefactoringWizard {
/**
* Creates a {@link DeleteResourcesWizard}
*
* @param resources the resources to delete
*/
public DeleteResourcesWizard(IResource[] resources) {
super(new DeleteRefactoring(new DeleteResourcesProcessor(resources, false)), DIALOG_BASED_USER_INTERFACE);
setDefaultPageTitle(RefactoringUIMessages.DeleteResourcesWizard_page_title);
setWindowTitle(RefactoringUIMessages.DeleteResourcesWizard_window_title);
}
@Override
protected void addUserInputPages() {
DeleteResourcesProcessor processor= getRefactoring().getAdapter(DeleteResourcesProcessor.class);
addPage(new DeleteResourcesRefactoringConfigurationPage(processor));
}
private static class DeleteResourcesRefactoringConfigurationPage extends UserInputWizardPage {
private DeleteResourcesProcessor fRefactoringProcessor;
private Button fDeleteContentsButton;
public DeleteResourcesRefactoringConfigurationPage(DeleteResourcesProcessor processor) {
super("DeleteResourcesRefactoringConfigurationPage"); //$NON-NLS-1$
fRefactoringProcessor= processor;
}
@Override
public void createControl(Composite parent) {
initializeDialogUnits(parent);
Point defaultSpacing= LayoutConstants.getSpacing();
Composite composite= new Composite(parent, SWT.NONE);
GridLayout gridLayout= new GridLayout(2, false);
gridLayout.horizontalSpacing= defaultSpacing.x * 2;
gridLayout.verticalSpacing= defaultSpacing.y;
composite.setLayout(gridLayout);
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
Image image= parent.getDisplay().getSystemImage(SWT.ICON_QUESTION);
Label imageLabel = new Label(composite, SWT.NULL);
imageLabel.setBackground(image.getBackground());
imageLabel.setImage(image);
imageLabel.setLayoutData(new GridData(SWT.CENTER, SWT.BEGINNING, false, false));
IResource[] resources= fRefactoringProcessor.getResourcesToDelete();
Label label= new Label(composite, SWT.WRAP);
boolean onlyProjects= Resources.containsOnlyProjects(resources);
if (onlyProjects) {
if (resources.length == 1) {
label.setText(Messages.format(RefactoringUIMessages.DeleteResourcesWizard_label_single_project, BasicElementLabels.getResourceName(resources[0])));
} else {
label.setText(Messages.format(RefactoringUIMessages.DeleteResourcesWizard_label_multi_projects, new Integer(resources.length)));
}
} else if (containsLinkedResource(resources)) {
if (resources.length == 1) {
label.setText(Messages.format(RefactoringUIMessages.DeleteResourcesWizard_label_single_linked, BasicElementLabels.getResourceName(resources[0])));
} else {
label.setText(Messages.format(RefactoringUIMessages.DeleteResourcesWizard_label_multi_linked, new Integer(resources.length)));
}
} else {
if (resources.length == 1) {
label.setText(Messages.format(RefactoringUIMessages.DeleteResourcesWizard_label_single, BasicElementLabels.getResourceName(resources[0])));
} else {
label.setText(Messages.format(RefactoringUIMessages.DeleteResourcesWizard_label_multi, new Integer(resources.length)));
}
}
GridData gridData= new GridData(SWT.FILL, SWT.FILL, true, false);
gridData.widthHint= convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
label.setLayoutData(gridData);
Composite supportArea= new Composite(composite, SWT.NONE);
supportArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
gridLayout= new GridLayout(1, false);
gridLayout.horizontalSpacing= defaultSpacing.x * 2;
gridLayout.verticalSpacing= defaultSpacing.y;
supportArea.setLayout(gridLayout);
if (onlyProjects) {
fDeleteContentsButton= new Button(supportArea, SWT.CHECK);
fDeleteContentsButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
fDeleteContentsButton.setText(RefactoringUIMessages.DeleteResourcesWizard_project_deleteContents);
fDeleteContentsButton.setFocus();
Label projectLocationsLabel= new Label(supportArea, SWT.NONE);
GridData labelData= new GridData(SWT.FILL, SWT.FILL, true, false);
labelData.verticalIndent= 5;
projectLocationsLabel.setLayoutData(labelData);
projectLocationsLabel.setText(resources.length == 1
? RefactoringUIMessages.DeleteResourcesWizard_project_location
: RefactoringUIMessages.DeleteResourcesWizard_project_locations);
int style= SWT.MULTI | SWT.READ_ONLY | SWT.WRAP | SWT.V_SCROLL;
if (resources.length != 1)
style |= SWT.BORDER;
StyledText projectLocationsList= new StyledText(supportArea, style);
projectLocationsList.setAlwaysShowScrollBars(false);
labelData.horizontalIndent= projectLocationsList.getLeftMargin();
gridData= new GridData(SWT.FILL, SWT.FILL, true, true);
projectLocationsList.setLayoutData(gridData);
projectLocationsList.setBackground(projectLocationsList.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
StringBuffer buf= new StringBuffer();
for (int i= 0; i < resources.length; i++) {
String location= getLocation(resources[i]);
if (location != null) {
if (buf.length() > 0)
buf.append('\n');
buf.append(location);
}
}
projectLocationsList.setText(buf.toString());
Dialog.applyDialogFont(projectLocationsList);
gridData.heightHint= Math.min(convertHeightInCharsToPixels(5), projectLocationsList.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
}
setControl(composite);
}
private static String getLocation(IResource resource) {
IPath location= resource.getLocation();
if (location != null)
return BasicElementLabels.getPathLabel(location, true);
URI uri= resource.getLocationURI();
if (uri != null)
return BasicElementLabels.getURLPart(uri.toString());
URI rawLocationURI= resource.getRawLocationURI();
if (rawLocationURI != null)
return BasicElementLabels.getURLPart(rawLocationURI.toString());
return BasicElementLabels.getResourceName(resource);
}
private boolean containsLinkedResource(IResource[] resources) {
for (int i = 0; i < resources.length; i++) {
IResource resource = resources[i];
if (resource != null && resource.isLinked()) { // paranoia code, can not be null
return true;
}
}
return false;
}
@Override
protected boolean performFinish() {
initializeRefactoring();
storeSettings();
return super.performFinish();
}
@Override
public IWizardPage getNextPage() {
initializeRefactoring();
storeSettings();
return super.getNextPage();
}
private void initializeRefactoring() {
fRefactoringProcessor.setDeleteContents(fDeleteContentsButton == null ? false : fDeleteContentsButton.getSelection());
}
private void storeSettings() {
}
}
}