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.event.ActionEvent;
024
025import csheets.core.Cell;
026import csheets.ext.style.StylableCell;
027import csheets.ext.style.StyleExtension;
028import csheets.ui.ctrl.FocusOwnerAction;
029import csheets.ui.ctrl.UIController;
030
031/**
032 * A style operation.
033 * @author Einar Pehrson
034 */
035public abstract class StyleAction extends FocusOwnerAction {
036
037        /** The user interface controller */
038        protected UIController uiController;
039
040        /**
041         * Creates a new style action.
042         * @param uiController the user interface controller
043         */
044        public StyleAction(UIController uiController) {
045                this.uiController = uiController;
046        }
047
048        /**
049         * Applies the style to the selected cells in the focus owner table.
050         * @param event the event that was fired
051         */
052        public void actionPerformed(ActionEvent event) {
053                if (focusOwner == null)
054                        return;
055
056                // Aligns each selected cell
057                for (Cell[] row : focusOwner.getSelectedCells())
058                        for (Cell cell : row) {
059                                StylableCell stylableCell = (StylableCell)cell.getExtension(
060                                        StyleExtension.NAME);
061                                applyStyle(stylableCell);
062                        }
063
064                uiController.setWorkbookModified(focusOwner.getSpreadsheet().getWorkbook());
065                focusOwner.repaint();
066        }
067
068        /**
069         * Applies the style to the given stylable cell
070         * @param cell the cell to which style should be applied
071         */
072        protected abstract void applyStyle(StylableCell cell);
073}