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  */
  24 package com.sun.hotspot.igv.data;
  25 
  26 import java.util.ArrayList;
  27 import java.util.List;
  28 
  29 /**
  30  *
  31  * @author Thomas Wuerthinger
  32  */
  33 public 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 }