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/ResultSetTableModel.java,v $
056: * $Revision: 1.4 $
057: * $Author: dglasser $
058: * $Date: 2003/07/11 03:16:57 $
059: *
060: * --------------------------------------------------------------------
061: */
062: package org.glasser.swing.table;
063:
064: import org.glasser.sql.*;
065: import java.util.*;
066: import org.glasser.util.*;
067:
068: public class ResultSetTableModel extends ListTableModel implements
069: ResultSetBufferListener {
070:
071: public ResultSetTableModel(ResultSetBuffer buffer) {
072: super (new ListColumnManager(buffer.getColumnNames(), buffer
073: .getColumnClasses()), buffer);
074: buffer.addResultSetBufferListener(this );
075: }
076:
077: /**
078: * This constructor allows an instance to be constructed before any query
079: * results are available to display.
080: */
081: public ResultSetTableModel(String[] columnNames) {
082: super ();
083: super
084: .setColumnManager(new ListColumnManager(columnNames,
085: null));
086: }
087:
088: public void setColumnManager(ColumnManager columnManager) {
089: throw new UnsupportedOperationException(
090: "The ColumnManager cannot be set for this TableModel.");
091: }
092:
093: private boolean[] displayableColumns = null;
094:
095: public void setDataList(List newData) {
096: // if(newData instanceof ResultSetBuffer == false) {
097: // throw new IllegalArgumentException("newData argument must be a ResultSetBuffer.");
098: // }
099:
100: List currentBuffer = (List) this .getDataList();
101: if (currentBuffer != null
102: && currentBuffer instanceof ResultSetBuffer) {
103: ((ResultSetBuffer) currentBuffer)
104: .removeResultSetBufferListener(this );
105: }
106: if (newData == null) {
107: super .setDataList(null);
108: return;
109: }
110: ResultSetBuffer buffer = (ResultSetBuffer) newData;
111: buffer.addResultSetBufferListener(this );
112:
113: ListColumnManager listColumnManager = (ListColumnManager) super
114: .getColumnManager();
115:
116: if (listColumnManager != null) {
117: listColumnManager.setColumnNames(buffer.getColumnNames());
118: listColumnManager.setColumnClasses(buffer
119: .getColumnClasses());
120: }
121: super .setDataList(newData);
122:
123: }
124:
125: protected ResultSetBuffer getResultSetBuffer() {
126: List list = this .getDataList();
127: if (list instanceof ResultSetBuffer) {
128: return (ResultSetBuffer) list;
129: } else {
130: return null;
131: }
132:
133: }
134:
135: /**
136: * Sorts the model's contents on the given column.
137: *
138: * @param columnIndex the zero-based index of the column on which the data
139: * will be sorted.
140: *
141: * @param sortDescending if true, the data is sorted in descending order, otherwise
142: * it will be sorted in ascending order.
143: */
144: public void sort(int columnIndex, boolean sortDescending) {
145: ResultSetBuffer buffer = getResultSetBuffer();
146: if (buffer == null)
147: return;
148: buffer.sort(this .getMappedColumnIndex(columnIndex),
149: sortDescending);
150: }
151:
152: /**
153: * Sorts the buffer on the indicated column, and returns true if the sort was in
154: * descending order, or false if it was in ascending order. The order
155: * will usually be ascending, unless the same column is sorted multiple times
156: * consecutively, in which case the sort order is reversed each time.
157: */
158: public boolean sort(int columnIndex) {
159: ResultSetBuffer buffer = getResultSetBuffer();
160: if (buffer == null)
161: return false;
162: return buffer.sort(getMappedColumnIndex(columnIndex));
163: }
164:
165: public void moreRowsRead(ResultSetBufferEvent e) {
166: fireTableDataChanged();
167: }
168:
169: public void endOfResultsReached(ResultSetBufferEvent e) {
170:
171: }
172:
173: public void bufferSorted(ResultSetBufferEvent e) {
174: fireTableDataChanged();
175: }
176: }
|