| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.wizards; |
| |
| import org.eclipse.core.runtime.IStatus; |
| |
| import org.eclipse.jface.wizard.WizardPage; |
| |
| import org.eclipse.jdt.internal.ui.dialogs.StatusInfo; |
| import org.eclipse.jdt.internal.ui.dialogs.StatusUtil; |
| |
| /** |
| * Base class for wizard page responsible to create Java elements. The class |
| * provides API to update the wizard's statis line and OK button according to |
| * the value of a <code>IStatus</code> object. |
| * |
| * <p> |
| * Clients may subclass. |
| * </p> |
| * |
| * @since 2.0 |
| */ |
| public abstract class NewElementWizardPage extends WizardPage { |
| |
| private IStatus fCurrStatus; |
| |
| private boolean fPageVisible; |
| |
| /** |
| * Creates a <code>NewElementWizardPage</code>. |
| * |
| * @param name the wizard page's name |
| */ |
| public NewElementWizardPage(String name) { |
| super(name); |
| fPageVisible= false; |
| fCurrStatus= new StatusInfo(); |
| } |
| |
| // ---- WizardPage ---------------- |
| |
| /* |
| * @see WizardPage#becomesVisible |
| */ |
| public void setVisible(boolean visible) { |
| super.setVisible(visible); |
| fPageVisible= visible; |
| // policy: wizards are not allowed to come up with an error message |
| if (visible && fCurrStatus.matches(IStatus.ERROR)) { |
| StatusInfo status= new StatusInfo(); |
| status.setError(""); //$NON-NLS-1$ |
| fCurrStatus= status; |
| } |
| updateStatus(fCurrStatus); |
| } |
| |
| /** |
| * Updates the status line and the ok button according to the given status |
| * |
| * @param status status to apply |
| */ |
| protected void updateStatus(IStatus status) { |
| fCurrStatus= status; |
| setPageComplete(!status.matches(IStatus.ERROR)); |
| if (fPageVisible) { |
| StatusUtil.applyToStatusLine(this, status); |
| } |
| } |
| |
| /** |
| * Updates the status line and the ok button according to the status evaluate from |
| * an array of status. The most severe error is taken. In case that two status with |
| * the same severity exists, the status with lower index is taken. |
| * |
| * @param status the array of status |
| */ |
| protected void updateStatus(IStatus[] status) { |
| updateStatus(StatusUtil.getMostSevere(status)); |
| } |
| |
| } |