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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.jface.text.templates.ContextTypeRegistry;
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14
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15 import dwt.dwthelper.utils;
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16
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17 import java.util.Iterator;
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18 import java.util.LinkedHashMap;
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19 import java.util.Map;
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20
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21 /**
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22 * A registry for context types. Editor implementors will usually instantiate a
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23 * registry and configure the context types available in their editor.
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24 * <p>
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25 * In order to pick up templates contributed using the <code>dwtx.ui.editors.templates</code>
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26 * extension point, use a <code>ContributionContextTypeRegistry</code>.
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27 * </p>
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28 *
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29 * @since 3.0
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30 */
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31 public class ContextTypeRegistry {
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32
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33 /** all known context types */
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34 private final Map fContextTypes= new LinkedHashMap();
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35
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36 /**
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37 * Adds a context type to the registry. If there already is a context type
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38 * with the same ID registered, it is replaced.
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39 *
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40 * @param contextType the context type to add
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41 */
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42 public void addContextType(TemplateContextType contextType) {
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43 fContextTypes.put(contextType.getId(), contextType);
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44 }
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45
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46 /**
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47 * Returns the context type if the id is valid, <code>null</code> otherwise.
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48 *
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49 * @param id the id of the context type to retrieve
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50 * @return the context type if <code>name</code> is valid, <code>null</code> otherwise
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51 */
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52 public TemplateContextType getContextType(String id) {
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53 return (TemplateContextType) fContextTypes.get(id);
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54 }
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55
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56 /**
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57 * Returns an iterator over all registered context types.
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58 *
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59 * @return an iterator over all registered context types
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60 */
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61 public Iterator contextTypes() {
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62 return fContextTypes.values().iterator();
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63 }
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64 }
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