Java tutorial
/** * This source file is part of Spritey - the sprite sheet creator. * * Copyright 2011 Maksym Bykovskyy. * * Spritey is free software: you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * Spritey 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 for more details. * * You should have received a copy of the GNU General Public License along with * Spritey. If not, see <http://www.gnu.org/licenses/>. */ package spritey.ui.actions; import static spritey.ui.Application.ADD_IMG_ID; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import spritey.core.Node; import spritey.ui.Application; import spritey.ui.Messages; import spritey.ui.dialogs.ImageFileDialog; import spritey.ui.pages.WizardPageEx; /** * Action for loading sprites from a file system and adding them to a sheet. */ public class AddSpritesAction extends LoadSpritesAction { /** * Creates a new instance of AddFolderAction. * * @param viewer * the viewer on which action will be performed. * @param page * the wizard page that this action affects. */ public AddSpritesAction(Viewer viewer, WizardPageEx page) { super(viewer, page); Image image = Application.getImageRegistry().get(ADD_IMG_ID); setImageDescriptor(ImageDescriptor.createFromImage(image)); setToolTipText(Messages.ADD_SPRITES_ADD_SPRITES); setText(Messages.ADD_SPRITES_ADD_SPRITES); setAccelerator(SWT.MOD1 | 'S'); setEnabled(false); } @Override public void run() { ImageFileDialog dialog = new ImageFileDialog(getShell(), SWT.OPEN | SWT.MULTI); if (null != dialog.open()) { Node[] sprites = loadSprites(dialog.getFilePaths()); if (sprites.length > 0) { Node parent = (Node) getSelection().getFirstElement(); parent.addChildren(sprites); refreshAndSelect(parent); getPage().validatePage(); } } } }