001/*
002 * Copyright (c) 2005 Einar Pehrson <einar@pehrson.nu>.
003 *
004 * This file is part of
005 * CleanSheets - a spreadsheet application for the Java platform.
006 *
007 * CleanSheets is free software; you can redistribute it and/or modify
008 * it under the terms of the GNU General Public License as published by
009 * the Free Software Foundation; either version 2 of the License, or
010 * (at your option) any later version.
011 *
012 * CleanSheets is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
015 * GNU General Public License for more details.
016 *
017 * You should have received a copy of the GNU General Public License
018 * along with CleanSheets; if not, write to the Free Software
019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
020 */
021package csheets.ext.style.ui;
022
023import java.awt.Color;
024import java.awt.event.ActionEvent;
025import java.awt.event.KeyEvent;
026
027import javax.swing.ImageIcon;
028import javax.swing.JColorChooser;
029
030import csheets.core.Cell;
031import csheets.ext.style.StylableCell;
032import csheets.ext.style.StyleExtension;
033import csheets.ui.ctrl.FocusOwnerAction;
034import csheets.ui.ctrl.UIController;
035
036/**
037 * A background color changing operation.
038 * @author Einar Pehrson
039 */
040@SuppressWarnings("serial")
041public class BackgroundAction extends FocusOwnerAction {
042
043        /** The user interface controller */
044        protected UIController uiController;
045
046        /**
047         * Creates a new background color action.
048         * @param uiController the user interface controller
049         */
050        public BackgroundAction(UIController uiController) {
051                this.uiController = uiController;
052        }
053
054        protected String getName() {
055                return "Background Color...";
056        }
057
058        protected void defineProperties() {
059                putValue(MNEMONIC_KEY, KeyEvent.VK_G);
060                putValue(SMALL_ICON, new ImageIcon(StyleExtension.class.getResource("res/img/color_bg.gif")));
061        }
062
063        /**
064         * Lets the user select a color from a chooser.
065         * Then applies the color to the selected cells in the focus owner table.
066         * @param event the event that was fired
067         */
068        public void actionPerformed(ActionEvent event) {
069                if (focusOwner == null)
070                        return;
071
072                // Lets user select color
073                Color color = JColorChooser.showDialog(
074                        null,
075                        "Choose Background Color",
076                        ((StylableCell)focusOwner.getSelectedCell().
077                                getExtension(StyleExtension.NAME)).getBackgroundColor());
078
079                if (color != null) {
080                        // Colors each selected cell
081                        for (Cell[] row : focusOwner.getSelectedCells())
082                                for (Cell cell : row) {
083                                        StylableCell stylableCell = (StylableCell)cell.getExtension(
084                                                StyleExtension.NAME);
085                                        stylableCell.setBackgroundColor(color);
086                                }
087        
088                        uiController.setWorkbookModified(focusOwner.getSpreadsheet().getWorkbook());
089                        focusOwner.repaint();
090                }
091        }
092}