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/ColumnManager.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.table.*;
065:
066: public interface ColumnManager extends java.io.Serializable {
067:
068: /**
069: * Returns the number of columns in the model. A
070: * <code>JTable</code> uses this method to determine how many columns it
071: * should create and display by default.
072: *
073: * @return the number of columns in the model
074: * @see #getRowCount
075: */
076: public int getColumnCount();
077:
078: /**
079: * Returns the value for the cell at <code>columnIndex</code> and
080: * <code>rowIndex</code>.
081: *
082: * @param rowIndex the row whose value is to be queried
083: * @param columnIndex the column whose value is to be queried
084: * @return the value Object at the specified cell
085: */
086: public Object getValueAt(int rowIndex, int columnIndex,
087: Object rowObject);
088:
089: /**
090: * Returns the name of the column at <code>columnIndex</code>. This is used
091: * to initialize the table's column header name. Note: this name does
092: * not need to be unique; two columns in a table can have the same name.
093: *
094: * @param columnIndex the index of the column
095: * @return the name of the column
096: */
097: public String getColumnName(int columnIndex);
098:
099: /**
100: * Returns the most specific superclass for all the cell values
101: * in the column. This is used by the <code>JTable</code> to set up a
102: * default renderer and editor for the column.
103: *
104: * @param columnIndex the index of the column
105: * @return the common ancestor class of the object values in the model.
106: */
107: public Class getColumnClass(int columnIndex);
108:
109: /**
110: * Returns true if the cell at <code>rowIndex</code> and
111: * <code>columnIndex</code>
112: * is editable. Otherwise, <code>setValueAt</code> on the cell will not
113: * change the value of that cell.
114: *
115: * @param rowIndex the row whose value to be queried
116: * @param columnIndex the column whose value to be queried
117: * @return true if the cell is editable
118: * @see #setValueAt
119: */
120: public boolean isCellEditable(int rowIndex, int columnIndex,
121: Object rowObject);
122:
123: /**
124: * Sets the value in the cell at <code>columnIndex</code> and
125: * <code>rowIndex</code> to <code>aValue</code>.
126: *
127: * @param aValue the new value
128: * @param rowIndex the row whose value is to be changed
129: * @param columnIndex the column whose value is to be changed
130: * @see #getValueAt
131: * @see #isCellEditable
132: */
133: public void setValueAt(Object newCellValue, int rowIndex,
134: int columnIndex, Object rowObject);
135:
136: }
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