KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > netbeans > modules > xml > schema > completion > SchemaBasedCompletionProvider


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.xml.schema.completion;
21
22 import javax.swing.text.JTextComponent JavaDoc;
23 import org.netbeans.modules.xml.schema.completion.spi.CompletionModelProvider;
24 import org.netbeans.modules.xml.schema.completion.util.DefaultModelProvider;
25 import org.netbeans.spi.editor.completion.CompletionProvider;
26 import org.netbeans.spi.editor.completion.CompletionTask;
27 import org.netbeans.spi.editor.completion.support.AsyncCompletionTask;
28 import org.openide.filesystems.FileObject;
29 import org.openide.loaders.DataObject;
30 import org.openide.util.Lookup;
31 import org.openide.windows.TopComponent;
32
33 /**
34  *
35  * @author Samaresh (Samaresh.Panda@Sun.Com)
36  */
37 public class SchemaBasedCompletionProvider implements CompletionProvider {
38     
39     /**
40      * Creates a new instance of SchemaBasedCompletionProvider
41      */
42     public SchemaBasedCompletionProvider() {
43     }
44     
45     public int getAutoQueryTypes(JTextComponent JavaDoc component, String JavaDoc typedText) {
46         FileObject primaryFile = getPrimaryFile();
47         if(primaryFile == null)
48             return 0;
49
50         return COMPLETION_QUERY_TYPE;
51     }
52     
53     public CompletionTask createTask(int queryType, JTextComponent JavaDoc component) {
54         if (queryType == COMPLETION_QUERY_TYPE)
55             return new AsyncCompletionTask(new CompletionQuery(getPrimaryFile()), component);
56         
57         return null;
58     }
59     
60     private FileObject getPrimaryFile() {
61         TopComponent activatedTC = TopComponent .getRegistry().getActivated();
62         if(activatedTC == null)
63             return null;
64         DataObject activeFile = (DataObject)activatedTC.getLookup().lookup(DataObject.class);
65         if(activeFile == null)
66             return null;
67         
68         return activeFile.getPrimaryFile();
69     }
70     
71 }
72
Popular Tags