| /******************************************************************************* |
| * Copyright (c) 2000, 2018 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.text.templates; |
| |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import org.eclipse.jface.text.templates.TemplateContextType; |
| |
| /** |
| * A registry for context types. Editor implementors will usually instantiate a |
| * registry and configure the context types available in their editor. |
| * <p> |
| * In order to pick up templates contributed using the <code>org.eclipse.ui.editors.templates</code> |
| * extension point, use a <code>ContributionContextTypeRegistry</code>. |
| * </p> |
| * |
| * @since 3.7 |
| */ |
| public class ContextTypeRegistry { |
| |
| /** all known context types */ |
| private final Map<String, TemplateContextType> fContextTypes= new LinkedHashMap<>(); |
| |
| /** |
| * Adds a context type to the registry. If there already is a context type |
| * with the same ID registered, it is replaced. |
| * |
| * @param contextType the context type to add |
| */ |
| public void addContextType(TemplateContextType contextType) { |
| fContextTypes.put(contextType.getId(), contextType); |
| } |
| |
| /** |
| * Returns the context type if the id is valid, <code>null</code> otherwise. |
| * |
| * @param id the id of the context type to retrieve |
| * @return the context type if <code>name</code> is valid, <code>null</code> otherwise |
| */ |
| public TemplateContextType getContextType(String id) { |
| return fContextTypes.get(id); |
| } |
| |
| /** |
| * Returns an iterator over all registered context types. |
| * |
| * @return an iterator over all registered context types |
| */ |
| public Iterator<TemplateContextType> contextTypes() { |
| return fContextTypes.values().iterator(); |
| } |
| } |