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     */
021    package csheets.ext.style.ui;
022    
023    import java.awt.event.ActionEvent;
024    
025    import csheets.core.Cell;
026    import csheets.ext.style.StylableCell;
027    import csheets.ext.style.StyleExtension;
028    import csheets.ui.ctrl.FocusOwnerAction;
029    import csheets.ui.ctrl.UIController;
030    
031    /**
032     * A style operation.
033     * @author Einar Pehrson
034     */
035    public 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    }