Java tutorial
package ch.cyberduck.ui.cocoa; /* * Copyright (c) 2005 David Kocher. All rights reserved. * http://cyberduck.ch/ * * 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. * * Bug fixes, suggestions and comments should be sent to: * dkocher@cyberduck.ch */ import ch.cyberduck.binding.application.NSDraggingInfo; import ch.cyberduck.binding.application.NSPasteboard; import ch.cyberduck.binding.application.NSTableColumn; import ch.cyberduck.binding.application.NSTableView; import ch.cyberduck.binding.foundation.NSArray; import ch.cyberduck.binding.foundation.NSIndexSet; import ch.cyberduck.binding.foundation.NSObject; import ch.cyberduck.core.AbstractCollectionListener; import ch.cyberduck.core.Collection; import ch.cyberduck.core.Host; import ch.cyberduck.core.LocalFactory; import ch.cyberduck.core.Path; import ch.cyberduck.core.TransferCollection; import ch.cyberduck.core.pasteboard.PathPasteboard; import ch.cyberduck.core.pasteboard.PathPasteboardFactory; import ch.cyberduck.core.transfer.DownloadTransfer; import ch.cyberduck.core.transfer.NullTransferFilter; import ch.cyberduck.core.transfer.Transfer; import ch.cyberduck.core.transfer.TransferFilter; import ch.cyberduck.core.transfer.TransferItem; import ch.cyberduck.ui.browser.DownloadDirectoryFinder; import org.apache.commons.lang3.StringUtils; import org.apache.log4j.Logger; import org.rococoa.cocoa.foundation.NSInteger; import org.rococoa.cocoa.foundation.NSUInteger; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Map; public class TransferTableDataSource extends ListDataSource { private static Logger log = Logger.getLogger(TransferTableDataSource.class); public enum Column { progress, } private final Map<Transfer, ProgressController> controllers = new HashMap<Transfer, ProgressController>(); private TransferFilter filter = new NullTransferFilter(); private TransferCollection collection = TransferCollection.defaultCollection(); public TransferTableDataSource() { collection.addListener(new AbstractCollectionListener<Transfer>() { @Override public void collectionItemRemoved(Transfer item) { final ProgressController controller = controllers.remove(item); if (controller != null) { controller.invalidate(); } } }); } /** * @param searchString Filter hostname or file */ public void setFilter(final String searchString) { if (StringUtils.isBlank(searchString)) { // Revert to the default filter this.filter = new NullTransferFilter(); } else { // Setting up a custom filter this.filter = new TransferFilter() { @Override public boolean accept(final Transfer transfer) { // Match for path names and hostname for (TransferItem root : transfer.getRoots()) { if (root.remote.getName().toLowerCase(Locale.ROOT) .contains(searchString.toLowerCase(Locale.ROOT))) { return true; } } if (transfer.getHost().getHostname().toLowerCase(Locale.ROOT) .contains(searchString.toLowerCase(Locale.ROOT))) { return true; } return false; } }; } } /** * @return The filtered collection currently to be displayed within the constraints */ protected Collection<Transfer> getSource() { if (filter instanceof NullTransferFilter) { return collection; } final Collection<Transfer> filtered = new Collection<Transfer>(collection); for (Iterator<Transfer> i = filtered.iterator(); i.hasNext();) { if (!filter.accept(i.next())) { // Temporarily remove the transfer from the collection copy i.remove(); } } return filtered; } @Override public NSObject tableView_objectValueForTableColumn_row(final NSTableView view, final NSTableColumn tableColumn, final NSInteger row) { return null; } @Override public NSInteger numberOfRowsInTableView(NSTableView view) { return new NSInteger(this.getSource().size()); } // ---------------------------------------------------------- // Drop methods // ---------------------------------------------------------- @Override public NSUInteger tableView_validateDrop_proposedRow_proposedDropOperation(final NSTableView view, final NSDraggingInfo draggingInfo, final NSInteger row, final NSUInteger operation) { log.debug("tableViewValidateDrop:row:" + row + ",operation:" + operation); if (draggingInfo.draggingPasteboard() .availableTypeFromArray(NSArray.arrayWithObject(NSPasteboard.StringPboardType)) != null) { view.setDropRow(row, NSTableView.NSTableViewDropAbove); return NSDraggingInfo.NSDragOperationCopy; } if (!PathPasteboardFactory.allPasteboards().isEmpty()) { view.setDropRow(row, NSTableView.NSTableViewDropAbove); return NSDraggingInfo.NSDragOperationCopy; } log.debug("tableViewValidateDrop:DragOperationNone"); return NSDraggingInfo.NSDragOperationNone; } /** * Invoked by tableView when the mouse button is released over a table view that previously decided to allow a drop. * * @param draggingInfo contains details on this dragging operation. * @param row The proposed location is row and action is operation. */ @Override public boolean tableView_acceptDrop_row_dropOperation(final NSTableView view, final NSDraggingInfo draggingInfo, final NSInteger row, final NSUInteger operation) { if (draggingInfo.draggingPasteboard() .availableTypeFromArray(NSArray.arrayWithObject(NSPasteboard.StringPboardType)) != null) { String droppedText = draggingInfo.draggingPasteboard().stringForType(NSPasteboard.StringPboardType);// get the data from paste board if (StringUtils.isNotBlank(droppedText)) { log.info("NSPasteboard.StringPboardType:" + droppedText); final DownloadController c = new DownloadController(TransferControllerFactory.get(), droppedText); c.beginSheet(); return true; } return false; } final List<PathPasteboard> pasteboards = PathPasteboardFactory.allPasteboards(); if (pasteboards.isEmpty()) { return false; } for (PathPasteboard pasteboard : pasteboards) { if (pasteboard.isEmpty()) { continue; } final Host host = pasteboard.getSession().getHost(); final List<TransferItem> downloads = new ArrayList<TransferItem>(); for (Path download : pasteboard) { downloads.add(new TransferItem(download, LocalFactory.get(new DownloadDirectoryFinder().find(host), download.getName()))); } collection.add(row.intValue(), new DownloadTransfer(host, downloads)); view.reloadData(); view.selectRowIndexes(NSIndexSet.indexSetWithIndex(row), false); view.scrollRowToVisible(row); } pasteboards.clear(); return true; } public ProgressController getController(final int row) { return this.getController(this.getSource().get(row)); } public ProgressController getController(final Transfer t) { if (!controllers.containsKey(t)) { controllers.put(t, new ProgressController(t)); } return controllers.get(t); } public boolean isHighlighted(final int row) { return this.getController(row).isHighlighted(); } public void setHighlighted(final int row, final boolean highlighted) { this.getController(row).setHighlighted(highlighted); } }