01: /*
02: * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
03: * for visualizing and manipulating spatial features with geometry and attributes.
04: *
05: * Copyright (C) 2003 Vivid Solutions
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: *
21: * For more information, contact:
22: *
23: * Vivid Solutions
24: * Suite #1A
25: * 2328 Government Street
26: * Victoria BC V8T 5G5
27: * Canada
28: *
29: * (250)385-6040
30: * www.vividsolutions.com
31: */
32:
33: package com.vividsolutions.jump.workbench.ui.addremove;
34:
35: import java.util.ArrayList;
36: import java.util.Arrays;
37: import java.util.Collection;
38: import java.util.Collections;
39: import java.util.Iterator;
40: import java.util.List;
41:
42: import javax.swing.DefaultListModel;
43: import javax.swing.ListModel;
44:
45: public class DefaultAddRemoveListModel implements AddRemoveListModel {
46: private DefaultListModel listModel;
47: private boolean sorted = false;
48:
49: public DefaultAddRemoveListModel(DefaultListModel listModel) {
50: this .listModel = listModel;
51: }
52:
53: public ListModel getListModel() {
54: return listModel;
55: }
56:
57: public void add(Object item) {
58: listModel.addElement(item);
59:
60: if (sorted) {
61: sort();
62: }
63: }
64:
65: private void setItemsWithoutSorting(Collection items) {
66: listModel.clear();
67:
68: for (Iterator i = items.iterator(); i.hasNext();) {
69: listModel.addElement(i.next());
70: }
71: }
72:
73: public void setItems(Collection items) {
74: setItemsWithoutSorting(items);
75:
76: if (sorted) {
77: sort();
78: }
79: }
80:
81: private void sort() {
82: ArrayList items = new ArrayList(getItems());
83: Collections.sort(items);
84: setItemsWithoutSorting(items);
85: }
86:
87: public List getItems() {
88: return Arrays.asList(listModel.toArray());
89: }
90:
91: public void setSorted(boolean sorted) {
92: this .sorted = sorted;
93: }
94:
95: public void remove(Object item) {
96: listModel.removeElement(item);
97: }
98: }
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