1 /**
2 * ========================================
3 * JFreeReport : a free Java report library
4 * ========================================
5 *
6 * Project Info: http://www.jfree.org/jfreereport/index.html
7 * Project Lead: Thomas Morgner (taquera@sherito.org);
8 *
9 * (C) Copyright 2000-2004, by Simba Management Limited and Contributors.
10 *
11 * This library is free software; you can redistribute it and/or modify it under the terms
12 * of the GNU Lesser General Public License as published by the Free Software Foundation;
13 * either version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
16 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
17 * See the GNU Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License along with this
20 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
21 * Boston, MA 02111-1307, USA.
22 *
23 * ------------------------------
24 * InvoiceTableModel.java
25 * ------------------------------
26 * (C)opyright 2004, by Thomas Morgner and Contributors.
27 *
28 * Original Author: Thomas Morgner;
29 * Contributor(s): David Gilbert (for Simba Management Limited);
30 *
31 * $Id: InvoiceTableModel.java,v 1.1.2.2 2004/04/05 16:49:34 taqua Exp $
32 *
33 * Changes
34 * -------------------------
35 * 26.03.2004 : Initial version
36 *
37 */
38
39 package org.jfree.report.demo.invoice;
40
41 import java.util.ArrayList;
42 import java.util.Date;
43 import javax.swing.table.AbstractTableModel;
44
45 public class InvoiceTableModel extends AbstractTableModel
46 {
47 private static Class[] COLUMN_TYPES =
48 {
49 Invoice.class,
50 String.class, String.class, String.class,
51 String.class, String.class, String.class,
52 String.class, Date.class, String.class,
53 String.class, String.class, String.class,
54 Float.class, Integer.class
55 };
56
57 private static String[] COLUMN_NAMES =
58 {
59 "invoice",
60 "customer.firstName", "customer.lastName", "customer.street",
61 "customer.town", "customer.postalCode", "customer.country",
62 "customer.salutation", "invoice.date", "invoice.number",
63 "article.name", "article.number", "article.details",
64 "article.price", "article.count"
65 };
66
67 private transient Invoice[] invoicePerRow;
68 private transient Article []articlesPerRow;
69
70 private ArrayList invoices;
71 private int totalSize;
72
73 public InvoiceTableModel ()
74 {
75 invoices = new ArrayList();
76 }
77
78 public void addInvoice (final Invoice invoice)
79 {
80 invoices.add (invoice);
81 invalidateCaches();
82 fireTableDataChanged();
83 }
84
85 public void removeInvoice (final Invoice invoice)
86 {
87 invoices.remove (invoice);
88 invalidateCaches();
89 fireTableDataChanged();
90 }
91
92 public Invoice getInvoice (final int invoice)
93 {
94 return (Invoice) invoices.get (invoice);
95 }
96
97 public void invalidateCaches()
98 {
99 int size = 0;
100 for (int i = 0; i < invoices.size(); i++)
101 {
102 final Invoice inv = getInvoice(i);
103 size += inv.getArticleCount();
104 }
105 this.totalSize = size;
106 this.invoicePerRow = null;
107 this.articlesPerRow = null;
108 }
109
110 /**
111 * Returns the number of columns in the model. A <code>JTable</code> uses this method to
112 * determine how many columns it should create and display by default.
113 *
114 * @return the number of columns in the model
115 *
116 * @see #getRowCount
117 */
118 public int getColumnCount ()
119 {
120 return COLUMN_NAMES.length;
121 }
122
123 /**
124 * Returns the number of rows in the model. A <code>JTable</code> uses this method to
125 * determine how many rows it should display. This method should be quick, as it is
126 * called frequently during rendering.
127 *
128 * @return the number of rows in the model
129 *
130 * @see #getColumnCount
131 */
132 public int getRowCount ()
133 {
134 return totalSize;
135 }
136
137 /**
138 * Returns a default name for the column using spreadsheet conventions: A, B, C, ... Z,
139 * AA, AB, etc. If <code>column</code> cannot be found, returns an empty string.
140 *
141 * @param column the column being queried
142 * @return a string containing the default name of <code>column</code>
143 */
144 public String getColumnName (final int column)
145 {
146 return COLUMN_NAMES[column];
147 }
148
149 /**
150 * Returns <code>Object.class</code> regardless of <code>columnIndex</code>.
151 *
152 * @param columnIndex the column being queried
153 * @return the Object.class
154 */
155 public Class getColumnClass (final int columnIndex)
156 {
157 return COLUMN_TYPES[columnIndex];
158 }
159
160 private void fillCache()
161 {
162 if (invoicePerRow != null && articlesPerRow != null)
163 {
164 // nothing to do...
165 return;
166 }
167 // ensure that we have enough space ...
168 this.invoicePerRow = new Invoice[totalSize];
169 this.articlesPerRow = new Article[totalSize];
170
171
172 int currentRow = 0;
173 final int invoiceSize = invoices.size();
174 for (int i = 0; i < invoiceSize; i++)
175 {
176 final Invoice inv = (Invoice) invoices.get (i);
177 final int articleCount = inv.getArticleCount();
178 for (int ac = 0; ac < articleCount; ac++)
179 {
180 invoicePerRow[currentRow] = inv;
181 articlesPerRow[currentRow] = inv.getArticle(ac);
182 currentRow += 1;
183 }
184 }
185 }
186
187 /**
188 * Returns the value for the cell at <code>columnIndex</code> and
189 * <code>rowIndex</code>.
190 *
191 * @param rowIndex the row whose value is to be queried
192 * @param columnIndex the column whose value is to be queried
193 * @return the value Object at the specified cell
194 */
195 public Object getValueAt (final int rowIndex, final int columnIndex)
196 {
197 // just make sure we can access the invoices by the array
198 fillCache();
199 final Invoice inv = invoicePerRow[rowIndex];
200 final Article art = articlesPerRow[rowIndex];
201
202 switch (columnIndex)
203 {
204 case 0: return inv;
205 case 1: return inv.getCustomer().getFirstName();
206 case 2: return inv.getCustomer().getLastName();
207 case 3: return inv.getCustomer().getStreet();
208 case 4: return inv.getCustomer().getTown();
209 case 5: return inv.getCustomer().getPostalCode();
210 case 6: return inv.getCustomer().getCountry();
211 case 7: return inv.getCustomer().getSalutation();
212 case 8: return inv.getDate();
213 case 9: return inv.getInvoiceNumber();
214 case 10: return art.getName();
215 case 11: return art.getArticleNumber();
216 case 12: return art.getArticleDetails();
217 case 13: return new Float(art.getPrice());
218 case 14: return new Integer(inv.getArticleCount());
219 }
220 throw new IndexOutOfBoundsException("ColumnIndex");
221 }
222 }
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