| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workbench.file.impl.actions; |
| |
| import static java.awt.Toolkit.getDefaultToolkit; |
| import static java.awt.event.KeyEvent.VK_C; |
| import static java.awt.event.KeyEvent.VK_W; |
| import static javax.swing.JOptionPane.CANCEL_OPTION; |
| import static javax.swing.JOptionPane.NO_OPTION; |
| import static javax.swing.JOptionPane.YES_NO_CANCEL_OPTION; |
| import static javax.swing.JOptionPane.YES_OPTION; |
| import static javax.swing.JOptionPane.showConfirmDialog; |
| import static javax.swing.KeyStroke.getKeyStroke; |
| import static org.apache.taverna.workbench.icons.WorkbenchIcons.closeIcon; |
| |
| import java.awt.Component; |
| import java.awt.event.ActionEvent; |
| |
| import javax.swing.AbstractAction; |
| |
| import org.apache.taverna.workbench.edits.EditManager; |
| import org.apache.taverna.workbench.file.FileManager; |
| import org.apache.taverna.workbench.file.exceptions.UnsavedException; |
| |
| import org.apache.log4j.Logger; |
| |
| import org.apache.taverna.scufl2.api.container.WorkflowBundle; |
| |
| @SuppressWarnings("serial") |
| public class CloseWorkflowAction extends AbstractAction { |
| private static Logger logger = Logger.getLogger(CloseWorkflowAction.class); |
| private static final String CLOSE_WORKFLOW = "Close workflow"; |
| private final SaveWorkflowAction saveWorkflowAction; |
| private FileManager fileManager; |
| |
| public CloseWorkflowAction(EditManager editManager, FileManager fileManager) { |
| super(CLOSE_WORKFLOW, closeIcon); |
| this.fileManager = fileManager; |
| saveWorkflowAction = new SaveWorkflowAction(editManager, fileManager); |
| putValue( |
| ACCELERATOR_KEY, |
| getKeyStroke(VK_W, getDefaultToolkit().getMenuShortcutKeyMask())); |
| putValue(MNEMONIC_KEY, VK_C); |
| |
| } |
| @Override |
| public void actionPerformed(ActionEvent e) { |
| Component parentComponent = null; |
| if (e.getSource() instanceof Component) |
| parentComponent = (Component) e.getSource(); |
| closeWorkflow(parentComponent, fileManager.getCurrentDataflow()); |
| } |
| |
| public boolean closeWorkflow(Component parentComponent, WorkflowBundle workflowBundle) { |
| if (workflowBundle == null) { |
| logger.warn("Attempted to close a null workflow"); |
| return false; |
| } |
| |
| try { |
| return fileManager.closeDataflow(workflowBundle, true); |
| } catch (UnsavedException e1) { |
| fileManager.setCurrentDataflow(workflowBundle); |
| String msg = "Do you want to save changes before closing the workflow " |
| + fileManager.getDataflowName(workflowBundle) + "?"; |
| switch (showConfirmDialog(parentComponent, msg, "Save workflow?", |
| YES_NO_CANCEL_OPTION)) { |
| case NO_OPTION: |
| try { |
| fileManager.closeDataflow(workflowBundle, false); |
| return true; |
| } catch (UnsavedException e2) { |
| logger.error("Unexpected UnsavedException while " |
| + "closing workflow", e2); |
| return false; |
| } |
| case YES_OPTION: |
| boolean saved = saveWorkflowAction.saveDataflow( |
| parentComponent, workflowBundle); |
| if (!saved) |
| return false; |
| return closeWorkflow(parentComponent, workflowBundle); |
| case CANCEL_OPTION: |
| default: |
| return false; |
| } |
| } |
| } |
| } |