001: /* ====================================================================
002: * The QueryForm License, Version 1.1
003: *
004: * Copyright (c) 1998 - 2003 David F. Glasser. All rights
005: * reserved.
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The end-user documentation included with the redistribution,
020: * if any, must include the following acknowledgment:
021: * "This product includes software developed by
022: * David F. Glasser."
023: * Alternately, this acknowledgment may appear in the software itself,
024: * if and wherever such third-party acknowledgments normally appear.
025: *
026: * 4. The names "QueryForm" and "David F. Glasser" must
027: * not be used to endorse or promote products derived from this
028: * software without prior written permission. For written
029: * permission, please contact dglasser@pobox.com.
030: *
031: * 5. Products derived from this software may not be called "QueryForm",
032: * nor may "QueryForm" appear in their name, without prior written
033: * permission of David F. Glasser.
034: *
035: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL DAVID F. GLASSER, THE APACHE SOFTWARE
039: * FOUNDATION OR ITS CONTRIBUTORS, OR ANY AUTHORS OR DISTRIBUTORS
040: * OF THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This product includes software developed by the
051: * Apache Software Foundation (http://www.apache.org/).
052: *
053: * ====================================================================
054: *
055: * $Source: /cvsroot/qform/qform/src/org/glasser/swing/table/ArrayColumnManager.java,v $
056: * $Revision: 1.1 $
057: * $Author: dglasser $
058: * $Date: 2003/01/26 00:19:08 $
059: *
060: * --------------------------------------------------------------------
061: */
062: package org.glasser.swing.table;
063:
064: import javax.swing.*;
065: import java.util.*;
066: import java.awt.*;
067:
068: /**
069: * This is a ColumnManager implementation that assumes each row of a table
070: * is contained in an Object array, with each element of the array mapping to the
071: * corresponding column of the table.
072: *
073: * @author Dave Glasser
074: */
075: public class ArrayColumnManager extends AbstractColumnManager {
076:
077: public ArrayColumnManager(String[] columnNames,
078: Class[] columnClasses) {
079: super (columnNames, columnClasses);
080: }
081:
082: /**
083: * The rowObject passed into this method is assumed to be an object array that contains
084: * the data for a single row of the table.
085: */
086: public void setValueAt(Object newCellValue, int rowIndex,
087: int columnIndex, Object rowObject) {
088: ((Object[]) rowObject)[columnIndex] = newCellValue;
089: }
090:
091: /**
092: * The rowObject passed into this method is assumed to be an object array that contains
093: * the data for a single row of the table.
094: */
095: public Object getValueAt(int rowIndex, int columnIndex,
096: Object rowObject) {
097: Object[] row = (Object[]) rowObject;
098: if (row == null || row.length <= columnIndex)
099: return null;
100: return row[columnIndex];
101: }
102:
103: /**
104: * Launches a small program demonstrating the use of this class.
105: */
106: public static void main(String[] args) throws Exception {
107:
108: int numRows = 20;
109: int numCols = 5;
110:
111: String[] colNames = new String[numCols];
112: for (int j = 0; j < numCols; j++) {
113: colNames[j] = "** " + j + " **";
114: }
115:
116: // each element in this list represents a row in the table,
117: // and will be an Object array.
118: ArrayList list = new ArrayList();
119:
120: for (int j = 0; j < numRows; j++) {
121: // create the array that will be the row.
122: Object[] rowArray = new Object[numCols];
123: for (int k = 0; k < numCols; k++) {
124: rowArray[k] = "Row " + j + ", Col " + k;
125: }
126: list.add(rowArray);
127: }
128:
129: // instantiate the ColumnManager
130: ArrayColumnManager colMgr = new ArrayColumnManager(colNames,
131: null);
132:
133: // instantiate the ListTableModel
134: ListTableModel model = new ListTableModel(colMgr, list);
135:
136: JFrame frame = new JFrame();
137: JPanel cp = new JPanel();
138: cp.setLayout(new BorderLayout());
139: JTable table = new JTable(model);
140: cp.add(new JScrollPane(table), BorderLayout.CENTER);
141: frame.setContentPane(cp);
142: frame.pack();
143: frame.setDefaultCloseOperation(3);
144: frame.setVisible(true);
145:
146: }
147:
148: }
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