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1 | /******************************************************************************* |
2 | * Copyright (c) 2007, 2011 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | *******************************************************************************/ | |
11 | package org.eclipse.jdt.internal.corext.template.java; | |
12 | ||
13 | import java.util.Iterator; | |
14 | import java.util.List; | |
15 | ||
16 | import org.eclipse.jface.text.templates.TemplateContext; | |
17 | import org.eclipse.jface.text.templates.TemplateVariable; | |
18 | import org.eclipse.jface.text.templates.TemplateVariableResolver; | |
19 | ||
20 | /** | |
21 | * Resolver for the <code>link</code> variable. Resolves to a | |
22 | * first parameter puts the value into linked mode. Shows proposals | |
23 | * for each parameter. | |
24 | * | |
25 | * @since 3.4 | |
26 | */ | |
27 | public class LinkResolver extends TemplateVariableResolver { | |
28 | ||
29 | private String[] fProposals; | |
30 | ||
31 | public LinkResolver(String type, String description) { | |
32 | super(type, description); | |
33 | } | |
34 | ||
35 | /** | |
36 | * Default ctor for instantiation by the extension point. | |
37 | */ | |
38 | public LinkResolver() { | |
39 | } | |
40 | ||
41 | /* (non-Javadoc) | |
42 | * @see org.eclipse.jface.text.templates.TemplateVariableResolver#resolve(org.eclipse.jface.text.templates.TemplateVariable, org.eclipse.jface.text.templates.TemplateContext) | |
43 | */ | |
44 | @Override | |
45 | public void resolve(TemplateVariable variable, TemplateContext context) { | |
46 | ||
47 | variable.setUnambiguous(false); | |
48 | ||
49 | if (variable instanceof JavaVariable) { | |
50 | JavaContext jc= (JavaContext) context; | |
51 | JavaVariable jv= (JavaVariable) variable; | |
52 | ||
53 | List<String> params= variable.getVariableType().getParams(); | |
54 | if (params.size() > 0) { | |
55 | fProposals= new String[params.size()]; | |
56 | int i= 0; | |
57 | for (Iterator<String> iterator= params.iterator(); iterator.hasNext();) { | |
58 | String param= iterator.next(); | |
59 | fProposals[i]= param; | |
60 | i++; | |
61 | } | |
62 | jv.setChoices(fProposals); | |
63 | jv.setCurrentChoice(fProposals[0]); | |
64 | ||
65 | jc.markAsUsed(jv.getDefaultValue()); | |
66 | } else { | |
67 | fProposals= new String[] { variable.getDefaultValue() }; | |
68 | super.resolve(variable, context); | |
69 | return; | |
70 | } | |
71 | } else | |
72 | super.resolve(variable, context); | |
73 | } | |
74 | ||
75 | /* (non-Javadoc) | |
76 | * @see org.eclipse.jface.text.templates.TemplateVariableResolver#resolveAll(org.eclipse.jface.text.templates.TemplateContext) | |
77 | */ | |
78 | @Override | |
79 | protected String[] resolveAll(TemplateContext context) { | |
80 | return fProposals; | |
81 | } | |
82 | } |