| /******************************************************************************* |
| * Copyright (c) 2000, 2003 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.ui.internal.dialogs; |
| |
| import java.net.URL; |
| |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.wizard.WizardPage; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.util.BundleUtility; |
| |
| |
| /** |
| * An abstract class with some utility methods and common values to share |
| * between preference import/export wizard pages. |
| * |
| * @since 3.0 |
| */ |
| abstract class AbstractPreferenceImportExportPage extends WizardPage { |
| |
| /** |
| * The title for all pages involved in the export operation. |
| */ |
| protected static final String EXPORT_TITLE = WorkbenchMessages.getString("ImportExportPages.exportTitle"); //$NON-NLS-1$ |
| /** |
| * The title for all pages involved in the export operation. |
| */ |
| protected static final String IMPORT_TITLE = WorkbenchMessages.getString("ImportExportPages.importTitle"); //$NON-NLS-1$ |
| /** |
| * The default extension for preferences files. |
| */ |
| protected static final String PREFERENCE_EXT = ".epf"; //$NON-NLS-1$ |
| |
| /** |
| * Retrieves the image descriptor from the given relative path. The path is |
| * relative from the "icons/full" directory. |
| * @param relativePath The relative path; should not be <code>null</code>. |
| * @return The image descriptor if it can be found; otherwise, the "missing |
| * image" descriptor. |
| */ |
| protected static ImageDescriptor getImageDescriptor(String relativePath) { |
| String path = "icons/full/" + relativePath; //$NON-NLS-1$ |
| URL url = BundleUtility.find(PlatformUI.PLUGIN_ID, path); |
| |
| return url != null |
| ? ImageDescriptor.createFromURL(url) |
| : ImageDescriptor.getMissingImageDescriptor(); |
| } |
| |
| /** |
| * Whether this page was opened in export or import mode. Since there is a |
| * significant amount of overlap, the import and export pages are not |
| * separate classes. |
| */ |
| protected final boolean export; |
| |
| /** |
| * Constructs a new instance of a preference import/export page with the |
| * given name. |
| * @param name The name of the page to be constructed; must not be |
| * <code>null</code>. |
| * @param exportWizard Whether this page should be opened in export mode. |
| */ |
| protected AbstractPreferenceImportExportPage(final String name, final boolean exportWizard) { |
| super(name); |
| |
| export = exportWizard; |
| } |
| |
| /** |
| * Computes the width hint for the given button. The width hint is the |
| * maximum of the default width and the minimum width to display the button |
| * text. |
| * @param pushButton The push button for which to compute the width hint. |
| * @return The width hint, which should be a positive integer capable of |
| * displaying all the text in the button. |
| */ |
| protected int computePushButtonWidthHint(Button pushButton) { |
| final int defaultWidth = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH); |
| final int minimumWidth = pushButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x; |
| return Math.max(defaultWidth, minimumWidth) + 5; |
| } |
| } |