source/ch/cyberduck/ui/cocoa/BrowserListViewModel.java

   1 package ch.cyberduck.ui.cocoa;
   2
   3 /*
   4  *  Copyright (c) 2005 David Kocher. All rights reserved.
   5  *  http://cyberduck.ch/
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  Bug fixes, suggestions and comments should be sent to:
  18  *  dkocher@cyberduck.ch
  19  */
  20
  21 import ch.cyberduck.binding.application.NSDraggingInfo;
  22 import ch.cyberduck.binding.application.NSPasteboard;
  23 import ch.cyberduck.binding.application.NSTableColumn;
  24 import ch.cyberduck.binding.application.NSTableView;
  25 import ch.cyberduck.binding.foundation.NSArray;
  26 import ch.cyberduck.binding.foundation.NSIndexSet;
  27 import ch.cyberduck.binding.foundation.NSMutableArray;
  28 import ch.cyberduck.binding.foundation.NSObject;
  29 import ch.cyberduck.binding.foundation.NSURL;
  30 import ch.cyberduck.core.AttributedList;
  31 import ch.cyberduck.core.Cache;
  32 import ch.cyberduck.core.Path;
  33
  34 import org.apache.log4j.Logger;
  35 import org.rococoa.cocoa.foundation.NSInteger;
  36 import org.rococoa.cocoa.foundation.NSUInteger;
  37
  38 import java.util.ArrayList;
  39 import java.util.List;
  40
  41 /**
  42  * @version $Id$
  43  */
  44 public class BrowserListViewModel extends BrowserTableDataSource implements NSTableView.DataSource {
  45     private static final Logger log = Logger.getLogger(BrowserListViewModel.class);
  46
  47     public BrowserListViewModel(final BrowserController controller, final Cache<Path> cache) {
  48         super(controller, cache);
  49     }
  50
  51     @Override
  52     public void render(final NSTableView view, final List<Path> folders) {
  53         super.render(view, folders);
  54         if(log.isDebugEnabled()) {
  55             log.debug(String.format("Reload table view %s for changes files %s", view, folders));
  56         }
  57         view.reloadData();
  58     }
  59
  60     @Override
  61     public NSInteger numberOfRowsInTableView(final NSTableView view) {
  62         if(controller.isMounted()) {
  63             return new NSInteger(this.get(controller.workdir()).size());
  64         }
  65         return new NSInteger(0);
  66     }
  67
  68     @Override
  69     public void tableView_setObjectValue_forTableColumn_row(final NSTableView view, final NSObject value,
  70                                                             final NSTableColumn column, final NSInteger row) {
  71         super.setObjectValueForItem(this.get(controller.workdir()).get(row.intValue()),
  72                 value, column.identifier());
  73     }
  74
  75     @Override
  76     public NSObject tableView_objectValueForTableColumn_row(final NSTableView view,
  77                                                             final NSTableColumn column, final NSInteger row) {
  78         if(controller.isMounted()) {
  79             final List<Path> children = this.get(controller.workdir());
  80             return super.objectValueForItem(children.get(row.intValue()), column.identifier());
  81         }
  82         return null;
  83     }
  84
  85     // ----------------------------------------------------------
  86     // Drop methods
  87     // ----------------------------------------------------------
  88
  89     @Override
  90     public NSUInteger tableView_validateDrop_proposedRow_proposedDropOperation(final NSTableView view,
  91                                                                                final NSDraggingInfo draggingInfo,
  92                                                                                final NSInteger row, final NSUInteger operation) {
  93         if(controller.isMounted()) {
  94             Path destination = controller.workdir();
  95             if(row.intValue() < this.numberOfRowsInTableView(view).intValue()) {
  96                 int draggingColumn = view.columnAtPoint(draggingInfo.draggingLocation()).intValue();
  97                 if(-1 == draggingColumn || 0 == draggingColumn || 1 == draggingColumn) {
  98                     // Allow drags to icon and filename column
  99                     if(row.intValue() != -1) {
 100                         Path p = this.get(controller.workdir()).get(row.intValue());
 101                         if(p.isDirectory()) {
 102                             destination = p;
 103                         }
 104                     }
 105                 }
 106                 return super.validateDrop(view, destination, row, draggingInfo);
 107             }
 108             // Draging to empty area in browser
 109             return super.validateDrop(view, destination, row, draggingInfo);
 110         }
 111         // Passing to super to look for URLs to mount
 112         return super.validateDrop(view, null, row, draggingInfo);
 113     }
 114
 115     @Override
 116     public boolean tableView_acceptDrop_row_dropOperation(final NSTableView view, final NSDraggingInfo draggingInfo,
 117                                                           final NSInteger row, final NSUInteger operation) {
 118         if(controller.isMounted()) {
 119             Path destination = controller.workdir();
 120             if(row.intValue() != -1) {
 121                 destination = this.get(controller.workdir()).get(row.intValue());
 122             }
 123             return super.acceptDrop(view, destination, draggingInfo);
 124         }
 125         return super.acceptDrop(view, null, draggingInfo);
 126     }
 127
 128     // ----------------------------------------------------------
 129     // Drag methods
 130     // ----------------------------------------------------------
 131
 132     /**
 133      * Invoked by view after it has been determined that a drag should begin, but before the drag has been started.
 134      * The drag image and other drag-related information will be set up and provided by the table view once this call
 135      * returns with true.
 136      *
 137      * @param rowIndexes is the list of row numbers that will be participating in the drag.
 138      * @return To refuse the drag, return false. To start a drag, return true and place the drag data onto pboard (data, owner, and so on).
 139      */
 140     @Override
 141     public boolean tableView_writeRowsWithIndexes_toPasteboard(final NSTableView view, final NSIndexSet rowIndexes,
 142                                                                final NSPasteboard pboard) {
 143         if(controller.isMounted()) {
 144             NSMutableArray items = NSMutableArray.array();
 145             final AttributedList<Path> children = this.get(controller.workdir());
 146             final List<Path> selected = new ArrayList<Path>();
 147             for(NSUInteger index = rowIndexes.firstIndex(); !index.equals(NSIndexSet.NSNotFound); index = rowIndexes.indexGreaterThanIndex(index)) {
 148                 selected.add(children.get(index.intValue()));
 149             }
 150             return super.writeItemsToPasteBoard(view, selected, pboard);
 151         }
 152         return false;
 153     }
 154
 155     @Override
 156     public NSArray tableView_namesOfPromisedFilesDroppedAtDestination_forDraggedRowsWithIndexes(final NSTableView view,
 157                                                                                                 final NSURL dropDestination,
 158                                                                                                 final NSIndexSet rowIndexes) {
 159         return this.namesOfPromisedFilesDroppedAtDestination(dropDestination);
 160     }
 161 }