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Java > Open Source Codes > org > netbeans > modules > xml > wsdl > ui > search > Providers


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.wsdl.ui.search;
21
22 import java.awt.Component JavaDoc;
23 import javax.swing.SwingUtilities JavaDoc;
24 import org.netbeans.modules.xml.wsdl.model.WSDLComponent;
25 import org.netbeans.modules.xml.wsdl.ui.view.treeeditor.FolderNode;
26 import org.netbeans.modules.xml.wsdl.ui.view.treeeditor.WSDLElementNode;
27 import org.netbeans.modules.xml.xam.ui.category.Category;
28 import org.openide.nodes.Node;
29 import org.openide.windows.TopComponent;
30
31 /**
32  * Provides utility methods for the search provider implementations.
33  *
34  * @author Nathan Fiedler
35  */
36 public class Providers {
37
38     /**
39      * Creates a new instance of Providers.
40      */
41     private Providers() {
42     }
43
44     /**
45      * If a CategoryNode is selected, return the child type of that node.
46      *
47      * @param category Category for which to find selected component.
48      * @return WSDL component class, or null if none selected.
49      */
50     public static Class JavaDoc<? extends WSDLComponent> getSelectedChildType(
51             Category category) {
52         Component JavaDoc parent = category.getComponent().getParent();
53         TopComponent tc = (TopComponent) SwingUtilities.getAncestorOfClass(
54                 TopComponent.class, parent);
55         if (tc != null) {
56             Node[] nodes = tc.getActivatedNodes();
57             if (nodes != null && nodes.length > 0) {
58                 for (Node node : nodes) {
59                     FolderNode fn = (FolderNode) node.getCookie(FolderNode.class);
60                     if (fn != null) {
61                         return fn.getChildType();
62                     }
63                 }
64             }
65         }
66         return null;
67     }
68
69     /**
70      * Retrieve the selected component for the given Category.
71      *
72      * @param category Category for which to find selected component.
73      * @return selected component, or null if not known.
74      */
75     public static WSDLComponent getSelectedComponent(Category category) {
76         Component JavaDoc parent = category.getComponent().getParent();
77         TopComponent tc = (TopComponent) SwingUtilities.getAncestorOfClass(
78                 TopComponent.class, parent);
79         if (tc != null) {
80             Node[] nodes = tc.getActivatedNodes();
81             if (nodes != null && nodes.length > 0) {
82                 for (Node node : nodes) {
83                     WSDLElementNode wen = (WSDLElementNode) node.getCookie(
84                             WSDLElementNode.class);
85                     if (wen != null) {
86                         return wen.getWSDLComponent();
87                     }
88                 }
89             }
90         }
91         return null;
92     }
93 }
94
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