finish up drag-n-drop

This commit is contained in:
Kelvin Sherlock 2020-09-05 23:58:03 -04:00
parent 9eb3727e1e
commit 3cdae0e386

View File

@ -435,7 +435,7 @@ static NSString *kDragType = @"private.ample.media";
- (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pasteboard {
if ([items count] > 1) return NO;
NSLog(@"%s", sel_getName(_cmd));
//NSLog(@"%s", sel_getName(_cmd));
MediaItem *item = [items firstObject];
@ -476,13 +476,6 @@ static NSString *kDragType = @"private.ample.media";
if (index < 0) return NSDragOperationNone;
// item is the parent (MediaCategory) or nil
// index is the proposed child index.
NSLog(@"%s", sel_getName(_cmd));
//NSLog(@"%@", info);
NSLog(@"%@", item);
NSLog(@"%d", (int)index);
NSPasteboard *pb = [info draggingPasteboard];
NSData *data = [pb dataForType: kDragType];
@ -492,20 +485,20 @@ static NSString *kDragType = @"private.ample.media";
if ([data length] != sizeof(indexes)) return NSDragOperationNone;
[data getBytes: &indexes length: sizeof(indexes)];
NSLog(@"%d - %d", (int)indexes[0], (int)indexes[1]);
//NSLog(@"%d - %d", (int)indexes[0], (int)indexes[1]);
MediaCategory *cat = item;
if (!item) {
// move to the END of the previous category.
if (index == 0) return NSDragOperationNone;
item = [_root objectAtIndex: index - 1];
index = [(MediaItem *)item count]; // -1; - interferes w/ -1 logic below.
cat = [_root objectAtIndex: index - 1];
index = [cat count]; // -1; - interferes w/ -1 logic below.
}
NSLog(@"%d - %d", (int)[(MediaCategory *)item index], (int)index);
//NSLog(@"%d - %d", (int)[(MediaCategory *)item index], (int)index);
if ([(MediaCategory *)item index] != indexes[0]) return NSDragOperationNone;
if ([cat index] != indexes[0]) return NSDragOperationNone;
if (indexes[1] == index) return NSDragOperationNone;
if (indexes[1] == index-1) return NSDragOperationNone;
return NSDragOperationMove;
@ -514,7 +507,59 @@ static NSString *kDragType = @"private.ample.media";
- (BOOL)outlineView:(NSOutlineView *)outlineView acceptDrop:(id<NSDraggingInfo>)info item:(id)item childIndex:(NSInteger)index {
return NO;
if (index < 0) return NO;
NSPasteboard *pb = [info draggingPasteboard];
NSData *data = [pb dataForType: kDragType];
if (!data) return NSDragOperationNone;
NSInteger indexes[2];
if ([data length] != sizeof(indexes)) return NO;
[data getBytes: &indexes length: sizeof(indexes)];
//NSLog(@"%d - %d", (int)indexes[0], (int)indexes[1]);
MediaCategory *cat = item;
if (!item) {
// move to the END of the previous category.
if (index == 0) return NO;
cat = [_root objectAtIndex: index - 1];
index = [cat count]; // -1; - interferes w/ -1 logic below.
}
//NSLog(@"%d - %d", (int)[(MediaCategory *)item index], (int)index);
if ([cat index] != indexes[0]) return NO;
if (indexes[1] == index) return NO;
if (indexes[1] == index-1) return NO;
NSInteger oldIndex = indexes[1];
NSMutableArray *array = [[cat children] mutableCopy];
MediaItem *it = [array objectAtIndex: oldIndex];
[array removeObjectAtIndex: oldIndex];
if (index > [array count]) {
[array addObject: it];
} else if (index < oldIndex) {
[array insertObject: it atIndex: index];
} else {
[array insertObject: it atIndex: index-1]; //?
}
unsigned ix = 0;
for (MediaItem *it in array) {
[it setIndex: ix++];
}
[cat setChildren: array];
[_outlineView reloadItem: cat reloadChildren: YES];
[self rebuildArgs];
return YES;
}