Map TableModel : JTable Model « Swing « Java Tutorial






/*
 * 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 AbstractTableModelExtending AbstractTableModel
14.59.4.Creates tables that allow rows and columns to be added or deleted
14.59.5.Set table valueSet table value
14.59.6.Add logic to get value methodAdd logic to get value method
14.59.7.Subclass AbstractTableModel to reuse an existing data structure: Treat an array as an AbstractTableModelSubclass AbstractTableModel to reuse an existing data structure: Treat an array as an AbstractTableModel
14.59.8.Sparsely Populated Table ModelSparsely Populated Table Model
14.59.9.Listening to JTable Events with a TableColumnModelListenerListening to JTable Events with a TableColumnModelListener
14.59.10.The Calendar program.The Calendar program.
14.59.11.Sample Sorting Table ModelSample 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