1 /*
2 * Copyright (c) 2011-2024 PrimeFaces Extensions
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22 package org.primefaces.extensions.component.masterdetail;
23
24 import java.util.ArrayList;
25 import java.util.List;
26
27 import javax.faces.component.EditableValueHolder;
28 import javax.faces.component.UIComponent;
29 import javax.faces.component.visit.VisitCallback;
30 import javax.faces.component.visit.VisitContext;
31 import javax.faces.component.visit.VisitResult;
32
33 /**
34 * Callback calling while MasterDetailLevel's subtree is visiting. The aim of this callback is gathering of all components implementing
35 * {@link javax.faces.component.EditableValueHolder} below the subtree.
36 *
37 * @author Oleg Varaksin / last modified by $Author$
38 * @version $Revision$
39 * @since 0.5.1
40 */
41 public class MasterDetailLevelVisitCallback implements VisitCallback {
42
43 private final List<EditableValueHolder> editableValueHolders = new ArrayList<>();
44
45 @Override
46 public VisitResult visit(VisitContext context, UIComponent target) {
47 if (target instanceof MasterDetailLevel) {
48 return VisitResult.ACCEPT;
49 }
50
51 if (!target.isRendered()) {
52 return VisitResult.REJECT;
53 }
54
55 if (target instanceof EditableValueHolder) {
56 editableValueHolders.add((EditableValueHolder) target);
57 }
58
59 return VisitResult.ACCEPT;
60 }
61
62 public List<EditableValueHolder> getEditableValueHolders() {
63 return editableValueHolders;
64 }
65 }