1 | /**
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2 | *#########################################################################
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3 | *
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4 | * A component of the Gatherer application, part of the Greenstone digital
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5 | * library suite from the New Zealand Digital Library Project at the
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6 | * University of Waikato, New Zealand.
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7 | *
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8 | * <BR><BR>
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9 | *
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10 | * Author: John Thompson, Greenstone Digital Library, University of Waikato
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11 | *
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12 | * <BR><BR>
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13 | *
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14 | * Copyright (C) 1999 New Zealand Digital Library Project
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15 | *
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16 | * <BR><BR>
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17 | *
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18 | * This program is free software; you can redistribute it and/or modify
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19 | * it under the terms of the GNU General Public License as published by
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20 | * the Free Software Foundation; either version 2 of the License, or
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21 | * (at your option) any later version.
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22 | *
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23 | * <BR><BR>
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24 | *
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25 | * This program is distributed in the hope that it will be useful,
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26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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28 | * GNU General Public License for more details.
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29 | *
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30 | * <BR><BR>
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31 | *
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32 | * You should have received a copy of the GNU General Public License
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33 | * along with this program; if not, write to the Free Software
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34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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35 | *########################################################################
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36 | */
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37 | package org.greenstone.gatherer.gems;
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38 |
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39 | import javax.swing.tree.DefaultTreeModel;
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40 | import org.greenstone.gatherer.util.SynchronizedTreeModelTools;
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41 | /**
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42 | * @author John Thompson, Greenstone Digital Library, University of Waikato
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43 | * @version 2.3
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44 | */
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45 | public class GEMSModel
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46 | extends DefaultTreeModel {
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47 |
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48 | public GEMSModel() {
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49 | super(new GEMSNode());
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50 | }
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51 |
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52 | public void add(GEMSNode parent, Object object, int type) {
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53 | if(parent == null) {
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54 | parent = (GEMSNode) root;
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55 | }
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56 | GEMSNode new_node = new GEMSNode(type, object, null);
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57 | SynchronizedTreeModelTools.insertNodeInto(this, parent, new_node);
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58 | }
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59 |
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60 | public GEMSNode getProfileNode() {
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61 | GEMSNode node = (GEMSNode) root;
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62 | return (GEMSNode) node.getChildAt(node.getChildCount() - 1);
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63 | }
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64 |
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65 | public void remove(String name, int type) {
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66 | GEMSNode current = (GEMSNode) root;
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67 | for(int i = 0; i < current.getChildCount(); i++) {
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68 | GEMSNode child = (GEMSNode) current.getChildAt(i);
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69 | if(child.toString().equals(name) && type == GEMSNode.SET) {
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70 | // Place on AWT event thread to avoid errors.
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71 | SynchronizedTreeModelTools.removeNodeFromParent(this, child);
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72 | return;
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73 | }
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74 | // This may be the profiler root node, in which case we descend into its children if we're looking for collection file matches.
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75 | else if(type == GEMSNode.COLLECTION && child.getType() == GEMSNode.PROFILER) {
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76 | for(int j = 0; j < child.getChildCount(); j++) {
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77 | GEMSNode inner_child = (GEMSNode) child.getChildAt(j);
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78 | if(inner_child.toString().equals(name)) {
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79 | // Place on AWT event thread to avoid errors.
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80 | SynchronizedTreeModelTools.removeNodeFromParent(this, inner_child);
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81 | return;
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82 | }
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83 | }
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84 | }
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85 | // If this is a set and we are looking for an element, then iterate through its children. Can't really do this recursively.
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86 | else if(type == GEMSNode.ELEMENT && child.getType() == GEMSNode.SET) {
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87 | for(int j = 0; j < child.getChildCount(); j++) {
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88 | GEMSNode inner_child = (GEMSNode) child.getChildAt(j);
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89 | if(inner_child.toString().equals(name)) {
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90 | // Place on AWT event thread to avoid errors.
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91 | SynchronizedTreeModelTools.removeNodeFromParent(this, inner_child);
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92 | return;
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93 | }
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94 | }
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95 | }
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96 | }
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97 | }
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98 | }
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