Map TableModel : JTable Model « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JTable Model

/*
 * Project: Gulden Utilies
 * Class:   de.gulden.util.swing.MapTableModel
 * Version: snapshot-beautyj-1.1
 *
 * Date:    2004-09-29
 *
 * This is a snapshot version of the Gulden Utilities,
 * it is not released as a seperate version.
 *  
 * Note:    Contains auto-generated Javadoc comments created by BeautyJ.
 *  
 * This is licensed under the GNU Lesser General Public License (LGPL)
 * and comes with NO WARRANTY.
 *
 * Author:  Jens Gulden
 * Email:   amoda@jensgulden.de
 */


import java.util.*;
import java.util.Map;
import javax.swing.table.AbstractTableModel;

/**
 * Class MapTableModel.
 *  
 * @author  Jens Gulden
 * @version  snapshot-beautyj-1.1
 */
public class MapTableModel extends AbstractTableModel {

    // ------------------------------------------------------------------------
    // --- fields                                                           ---
    // ------------------------------------------------------------------------

    /**
     * The map.
     */
    protected Map map;

    /**
     * The column names array.
     */
    protected String[] columnNames;


    // ------------------------------------------------------------------------
    // --- constructors                                                     ---
    // ------------------------------------------------------------------------

    /**
     * Creates a new instance of MapTableModel.
     */
    public MapTableModel() {
        super();
    }

    /**
     * Creates a new instance of MapTableModel.
     */
    public MapTableModel(Map map) {
        this(map,"Entry","Value");
    }

    /**
     * Creates a new instance of MapTableModel.
     */
    public MapTableModel(Map map, String keyName, String valueName) {
        this();
        setMap(map);
        setColumnNames(keyName,valueName);
    }


    // ------------------------------------------------------------------------
    // --- methods                                                          ---
    // ------------------------------------------------------------------------

    /**
     * Returns the row count.
     */
    public int getRowCount() {
        return map.size();
    }

    /**
     * Returns the column count.
     */
    public int getColumnCount() {
        return 2;
    }

    /**
     * Returns the value at.
     */
    public Object getValueAt(int row, int column) {
        Object[] entries=map.entrySet().toArray();
        Map.Entry entry=(Map.Entry)entries[row];
        if (column==0) {
            return entry.getKey();
        } else if (column==1) { // column==1
            return entry.getValue();
        } else {
            throw new IndexOutOfBoundsException("MapTableModel provides a 2-column table, column-index "+column+" is illegal.");
        }
    }

    /**
     * Returns the column name.
     */
    public String getColumnName(int column) {
        return columnNames[column];
    }

    /**
     * Sets the column names.
     */
    public void setColumnNames(String keyName, String valueName) {
        String[] names={keyName,valueName};
        columnNames=names;
    }

    /**
     * Returns the map.
     */
    public Map getMap() {
        return map;
    }

    /**
     * Sets the map.
     */
    public void setMap(Map _map) {
        map = _map;
    }

} // end MapTableModel

14.59.JTable Model
	14.59.1.	Create DefaultTableModel
	14.59.2.	Creating simple JTable using AbstractTableModel
	14.59.3.	Extending AbstractTableModel
	14.59.4.	Creates tables that allow rows and columns to be added or deleted
	14.59.5.	Set table value
	14.59.6.	Add logic to get value method
	14.59.7.	Subclass AbstractTableModel to reuse an existing data structure: Treat an array as an AbstractTableModel
	14.59.8.	Sparsely Populated Table Model
	14.59.9.	Listening to JTable Events with a TableColumnModelListener
	14.59.10.	The Calendar program.
	14.59.11.	Sample Sorting Table Model
	14.59.12.	Add columns to a table through DefaultTableModel
	14.59.13.	Insert a row to a table through DefaultTableModel
	14.59.14.	Insert a row to a table through DefaultTableModel at specified row
	14.59.15.	Append a row to a table through DefaultTableModel at specified row
	14.59.16.	Remove the first row from a table with DefaultTableModel
	14.59.17.	Remove the last row from a table with DefaultTableModel
	14.59.18.	Move the first row to the end of the table
	14.59.19.	Move the first two rows to the end of the table
	14.59.20.	Move the last two rows to the start of the table
	14.59.21.	Move the last row to the beginning of the table
	14.59.22.	Get all the table data from DefaultTableModel
	14.59.23.	Copy (clone) the data from the second row
	14.59.24.	Overwrite the date from the first row with DefaultTableModel
	14.59.25.	Add rows to a Table
	14.59.26.	Sharing a Table Model Between JTable Components
	14.59.27.	Disabling User Edits in a JTable with DefaultTableModel
	14.59.28.	Appending a Row to a JTable Component
	14.59.29.	Copy data from a table to a list
	14.59.30.	Map TableModel
	14.59.31.	Bean Property Table Model