Files
MacPass/MacPass/MPEntryTableDataSource.m
2018-11-15 18:07:16 +01:00

122 lines
4.5 KiB
Objective-C

//
// MPEntyTableDataSource.m
// MacPass
//
// Created by Michael Starke on 09.06.13.
// Copyright (c) 2013 HicknHack Software GmbH. 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 3 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, see <http://www.gnu.org/licenses/>.
//
#import "MPEntryTableDataSource.h"
#import "MPEntryViewController.h"
#import "KeePassKit/KeePassKit.h"
@interface MPEntryTableDataSource ()
@end
@implementation MPEntryTableDataSource
// FIXME: change drag image to use only the first column regardless of drag start
- (id<NSPasteboardWriting>)tableView:(NSTableView *)tableView pasteboardWriterForRow:(NSInteger)row {
if(MPDisplayModeHistory == self.viewController.displayMode) {
return nil;
}
id item = self.viewController.entryArrayController.arrangedObjects[row];
if([item isKindOfClass:KPKEntry.class]) {
return item;
}
return nil;
}
- (void)tableView:(NSTableView *)tableView draggingSession:(NSDraggingSession *)session willBeginAtPoint:(NSPoint)screenPoint forRowIndexes:(nonnull NSIndexSet *)rowIndexes {
session.draggingFormation = NSDraggingFormationList;
}
- (NSDragOperation)tableView:(NSTableView *)tableView validateDrop:(id<NSDraggingInfo>)info proposedRow:(NSInteger)row proposedDropOperation:(NSTableViewDropOperation)dropOperation {
/* we do not accept drops if we are in history or search display mode */
if(self.viewController.displayMode != MPDisplayModeEntries) {
return NSDragOperationNone;
}
BOOL isLocalDrag = info.draggingSource == tableView;
if(isLocalDrag) {
/* local drag is not usefull if the table is displaying sorted */
NSArray<NSSortDescriptor *> * sortDescriptors = tableView.sortDescriptors;
if(sortDescriptors.count != 0 && sortDescriptors.firstObject.key != NSStringFromSelector(@selector(index))) {
return NSDragOperationNone;
}
}
BOOL makeCopy = !isLocalDrag || (info.draggingSourceOperationMask == NSDragOperationCopy);
if(dropOperation == NSTableViewDropOn) {
[tableView setDropRow:row+1 dropOperation:NSTableViewDropAbove];
}
return makeCopy ? NSDragOperationCopy : NSDragOperationMove;
}
- (BOOL)tableView:(NSTableView *)tableView acceptDrop:(id<NSDraggingInfo>)info row:(NSInteger)row dropOperation:(NSTableViewDropOperation)dropOperation {
if(dropOperation == NSTableViewDropAbove) {
row = MAX(0, row - 1); // decrement the row
}
BOOL copyItems = info.draggingSourceOperationMask == NSDragOperationCopy;
MPDocument *document = tableView.window.windowController.document;
if(document.currentTargetGroups.count != 1) {
return NO;
}
KPKGroup *targetGroup = document.currentTargetGroups.firstObject;
/* local drag */
if(info.draggingSource == tableView) {
if(copyItems) {
for(NSUUID *entryUUID in [self _readEntryUUIDsFromPasterboard:info.draggingPasteboard].reverseObjectEnumerator) {
KPKEntry *entry = [[document findEntry:entryUUID] copyWithTitle:nil options:kKPKCopyOptionNone];
[entry addToGroup:targetGroup atIndex:row];
[entry.undoManager setActionName:NSLocalizedString(@"COPY_ENTRY", @"Action name when an entry was moved")];
}
}
else {
for(NSUUID *entryUUID in [self _readEntryUUIDsFromPasterboard:info.draggingPasteboard].reverseObjectEnumerator) {
KPKEntry *entry = [document findEntry:entryUUID];
[entry moveToGroup:entry.parent atIndex:row];
[entry.undoManager setActionName:NSLocalizedString(@"MOVE_ENTRY", @"Action name when an entry was moved")];
}
}
[self.viewController.entryArrayController rearrangeObjects];
return YES;
}
else {
// external drop
}
return NO;
}
- (NSArray<NSUUID *> *)_readEntryUUIDsFromPasterboard:(NSPasteboard *)pasteboard {
if([pasteboard.types containsObject:KPKEntryUUDIUTI]) {
if([pasteboard canReadObjectForClasses:@[NSUUID.class] options:nil]) {
return [pasteboard readObjectsForClasses:@[NSUUID.class] options:nil];
}
}
return @[];
}
- (NSArray<KPKEntry *> *)_readEntriesFromPasteboard:(NSPasteboard *)pasteboard {
return @[];
}
@end