1/*
2 * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24package com.sun.hotspot.igv.data;
25
26import java.util.ArrayList;
27import java.util.List;
28
29/**
30 *
31 * @author Thomas Wuerthinger
32 */
33public class GraphDocument extends Properties.Entity implements ChangedEventProvider<GraphDocument>, Folder {
34
35    private List<FolderElement> elements;
36    private ChangedEvent<GraphDocument> changedEvent;
37
38    public GraphDocument() {
39        elements = new ArrayList<>();
40        changedEvent = new ChangedEvent<>(this);
41    }
42
43    public void clear() {
44        elements.clear();
45        getChangedEvent().fire();
46    }
47
48    @Override
49    public ChangedEvent<GraphDocument> getChangedEvent() {
50        return changedEvent;
51    }
52
53    public void addGraphDocument(GraphDocument document) {
54        if (document != this) {
55            for (FolderElement e : document.elements) {
56                e.setParent(this);
57                this.addElement(e);
58            }
59            document.clear();
60        }
61        getChangedEvent().fire();
62    }
63
64    @Override
65    public String toString() {
66        StringBuilder sb = new StringBuilder();
67
68        sb.append("GraphDocument: ").append(getProperties().toString()).append(" \n\n");
69        for (FolderElement g : getElements()) {
70            sb.append(g.toString());
71            sb.append("\n\n");
72        }
73
74        return sb.toString();
75    }
76
77    @Override
78    public List<? extends FolderElement> getElements() {
79        return elements;
80    }
81
82    @Override
83    public void removeElement(FolderElement element) {
84        if (elements.remove(element)) {
85            getChangedEvent().fire();
86        }
87    }
88
89    @Override
90    public void addElement(FolderElement element) {
91        elements.add(element);
92        getChangedEvent().fire();
93    }
94}
95