DefaultTableModel.java

/*
 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores
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 */
package com.sun.lwuit.table;

import com.sun.lwuit.events.DataChangedListener;
import com.sun.lwuit.util.EventDispatcher;

/**
 * A default implementation of the table model based on a two dimensional array.
 *
 * @author Shai Almog
 */
public class DefaultTableModel implements TableModel {
    Object[][] data;
    String[] columnNames;
    private EventDispatcher dispatcher = new EventDispatcher();
    private boolean editable;

    /**
     * Constructs a new table with a 2 dimensional array for row/column data
     *
     * @param columnNames the names of the columns
     * @param data the data within the table
     */
    public DefaultTableModel(String[] columnNames, Object[][] data) {
        this(columnNames, data, false);
    }

    /**
     * Constructs a new table with a 2 dimensional array for row/column data
     *
     * @param columnNames the names of the columns
     * @param data the data within the table
     * @param editable indicates whether table cells are editable or not by default
     * @see #isCellEditable(int, int) 
     */
    public DefaultTableModel(String[] columnNames, Object[][] data, boolean editable) {
        this.data = data;
        this.columnNames = columnNames;
        this.editable = editable;
    }

    /**
     * @inheritDoc
     */
    public int getRowCount() {
        return data.length;
    }

    /**
     * @inheritDoc
     */
    public int getColumnCount() {
        return columnNames.length;
    }

    /**
     * @inheritDoc
     */
    public String getColumnName(int i) {
        return columnNames[i];
    }

    /**
     * @inheritDoc
     */
    public boolean isCellEditable(int row, int column) {
        return editable;
    }

    /**
     * @inheritDoc
     */
    public Object getValueAt(int row, int column) {
        try {
            return data[row][column];
        } catch(ArrayIndexOutOfBoundsException err) {
            // not the best situation but quite useful for the resource editor
            //err.printStackTrace();
            return "";
        }
    }

    /**
     * @inheritDoc
     */
    public void setValueAt(int row, int column, Object o) {
        data[row][column] = o;
        dispatcher.fireDataChangeEvent(column, row);
    }

    /**
     * @inheritDoc
     */
    public void addDataChangeListener(DataChangedListener d) {
        dispatcher.addListener(d);
    }

    /**
     * @inheritDoc
     */
    public void removeDataChangeListener(DataChangedListener d) {
        dispatcher.removeListener(d);
    }

}