/******************************************************************************* * 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.php.internal.ui.actions.newprojectwizard; import java.util.Set; import org.eclipse.jface.viewers.IBasicPropertyConstants; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.ui.internal.dialogs.WizardCollectionElement; import org.eclipse.ui.internal.dialogs.WorkbenchWizardElement; 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 one exception to the above: an element with the system's reserved name * for base Wizards will always be sorted such that it will ultimately be placed * at the beginning of the sorted result. */ class NewWizardCollectionComparator extends ViewerComparator { private Set primaryWizards; /** * Static instance of this class. */ public final static NewWizardCollectionComparator INSTANCE = new NewWizardCollectionComparator(); /** * Creates an instance of <code>NewWizardCollectionSorter</code>. Since this * is a stateless sorter, it is only accessible as a singleton; the private * visibility of this constructor ensures this. */ private NewWizardCollectionComparator() { super(); } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.ViewerSorter#category(java.lang.Object) */ @Override public int category(Object element) { if (element instanceof WorkbenchWizardElement) { return -1; } 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; } if (WizardsRegistryReader.FULL_EXAMPLES_WIZARD_CATEGORY.equals(id)) { return 4; } return 2; } return super.category(element); } @Override public int compare(Viewer viewer, Object e1, Object e2) { if (primaryWizards != null && (primaryWizards.contains(e1) || primaryWizards.contains(e2))) { return -1; } return super.compare(viewer, e1, e2); } /** * Return true if this sorter is affected by a property change of * propertyName on the specified element. */ @Override public boolean isSorterProperty(Object object, String propertyId) { return propertyId.equals(IBasicPropertyConstants.P_TEXT); } public void setPrimaryWizards(Set primaryWizards) { this.primaryWizards = primaryWizards; } }