| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.ui.internal.dialogs; |
| |
| import org.eclipse.jface.viewers.IBasicPropertyConstants; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.ui.internal.registry.WizardsRegistryReader; |
| |
| /** |
| * A Viewer element sorter that sorts Elements by their name attribute. |
| * Note that capitalization differences are not considered by this |
| * sorter, so a < B < c. |
| * |
| * NOTE exceptions to the above: an element with the system's reserved |
| * category for Other Wizards will always be sorted such that it will |
| * ultimately be placed at the end of the sorted result, and an elemen |
| * with the reserved category name for General wizards will always be |
| * placed at the beginning of the sorted result. |
| * |
| * @since 3.2 |
| */ |
| class DataTransferWizardCollectionComparator extends ViewerComparator { |
| /** |
| * Static instance of this class. |
| */ |
| public final static DataTransferWizardCollectionComparator INSTANCE = new DataTransferWizardCollectionComparator(); |
| |
| /** |
| * Creates an instance of <code>DataTransferWizardCollectionSorter</code>. Since this |
| * is a stateless sorter, it is only accessible as a singleton; the private |
| * visibility of this constructor ensures this. |
| */ |
| private DataTransferWizardCollectionComparator() { |
| super(); |
| } |
| |
| public int category(Object element) { |
| if (element instanceof WizardCollectionElement){ |
| String id = ((WizardCollectionElement)element).getId(); |
| if (WizardsRegistryReader.GENERAL_WIZARD_CATEGORY.equals(id)) { |
| return 1; |
| } |
| if (WizardsRegistryReader.UNCATEGORIZED_WIZARD_CATEGORY.equals(id)) { |
| return 3; |
| } |
| return 2; |
| } |
| return super.category(element); |
| } |
| |
| /** |
| * Return true if this sorter is affected by a property |
| * change of propertyName on the specified element. |
| */ |
| public boolean isSorterProperty(Object object, String propertyId) { |
| return propertyId.equals(IBasicPropertyConstants.P_TEXT); |
| } |
| } |