Java tutorial
/* *------------------------------------------------------------------------------ * Copyright (C) 2015 University of Dundee. All rights reserved. * * * This program 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 2 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * *------------------------------------------------------------------------------ */ package org.openmicroscopy.shoola.agents.dataBrowser.actions; import java.awt.event.ActionEvent; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.io.File; import java.util.Collection; import java.util.Iterator; import javax.swing.Action; import javax.swing.JFrame; import org.apache.commons.collections.CollectionUtils; import org.openmicroscopy.shoola.agents.dataBrowser.DataBrowserAgent; import org.openmicroscopy.shoola.agents.dataBrowser.IconManager; import org.openmicroscopy.shoola.agents.dataBrowser.browser.ImageDisplay; import org.openmicroscopy.shoola.agents.dataBrowser.view.DataBrowser; import org.openmicroscopy.shoola.agents.events.hiviewer.DownloadEvent; import org.openmicroscopy.shoola.env.event.EventBus; import org.openmicroscopy.shoola.util.ui.UIUtilities; import org.openmicroscopy.shoola.util.ui.filechooser.FileChooser; import omero.gateway.model.DataObject; import omero.gateway.model.ImageData; /** * * @author Jean-Marie Burel * <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a> * @since 5.1 */ public class DownloadAction extends DataBrowserAction { /** The default name of the action. */ private static final String NAME = "Download..."; /** The description of the action. */ private static final String DESCRIPTION = "Download the selected files."; /** * Sets the action enabled depending on the currently selected display * @see DataBrowserAction#onDisplayChange(ImageDisplay) */ protected void onDisplayChange(ImageDisplay node) { if (node == null) { setEnabled(false); return; } Collection<DataObject> list = model.getBrowser().getSelectedDataObjects(); boolean enabled = false; if (CollectionUtils.isNotEmpty(list)) { Iterator<DataObject> i = list.iterator(); DataObject d; while (i.hasNext()) { d = i.next(); if (d instanceof ImageData) { ImageData data = (ImageData) d; if (data.isArchived()) { enabled = true; break; } } } } setEnabled(enabled); } /** * Creates a new instance. * * @param model Reference to the Model. Mustn't be <code>null</code>. */ public DownloadAction(DataBrowser model) { super(model); putValue(Action.SHORT_DESCRIPTION, UIUtilities.formatToolTipText(DESCRIPTION)); IconManager icons = IconManager.getInstance(); putValue(Action.SMALL_ICON, icons.getIcon(IconManager.DOWNLOAD)); putValue(Action.NAME, NAME); } /** * Downloads the selected files. * @see java.awt.event.ActionListener#actionPerformed(ActionEvent) */ public void actionPerformed(ActionEvent e) { ImageDisplay node = model.getBrowser().getLastSelectedDisplay(); if (node == null) return; JFrame f = DataBrowserAgent.getRegistry().getTaskBar().getFrame(); int type = FileChooser.FOLDER_CHOOSER; FileChooser chooser = new FileChooser(f, type, FileChooser.DOWNLOAD_TEXT, FileChooser.DOWNLOAD_DESCRIPTION); IconManager icons = IconManager.getInstance(); chooser.setTitleIcon(icons.getIcon(IconManager.DOWNLOAD_48)); chooser.setApproveButtonText(FileChooser.DOWNLOAD_TEXT); chooser.setCheckOverride(true); chooser.addPropertyChangeListener(new PropertyChangeListener() { public void propertyChange(PropertyChangeEvent evt) { String name = evt.getPropertyName(); FileChooser src = (FileChooser) evt.getSource(); if (FileChooser.APPROVE_SELECTION_PROPERTY.equals(name)) { String path = (String) evt.getNewValue(); EventBus bus = DataBrowserAgent.getRegistry().getEventBus(); bus.post(new DownloadEvent(new File(path), src.isOverride())); } } }); chooser.centerDialog(); } }