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Group view has rudimentary drag'n'drop support

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michael starke
2013-06-09 02:52:22 +02:00
parent 53850d8d35
commit 1130f56567
6 changed files with 61 additions and 39 deletions
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68
MacPass/MPOutlineDataSource.m
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@@ -9,43 +9,45 @@
#import "MPOutlineDataSource.h"
#import "MPDocument.h"
#import "KdbLib.h"
#import "KdbGroup+Undo.h"
NSString *const MPPasteBoardType = @"com.hicknhack.macpass.pasteboard";
@implementation MPOutlineDataSource
- (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
if(!item) {
return 1;
- (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pasteboard {
[_draggedItem release];
_draggedItem = nil;
[pasteboard setString:@"Weee" forType:MPPasteBoardType];
if([items count] == 1) {
_draggedItem = [[[items lastObject] representedObject] retain];
return (nil != _draggedItem.parent);
}
if( [item isKindOfClass:[KdbGroup class]]) {
KdbGroup *group = item;
return [[group groups] count];
}
return 0;
}
- (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item {
if(!item) {
MPDocument *document = [[[outlineView window] windowController] document];
return document.root;
}
if( [item isKindOfClass:[KdbGroup class]]) {
KdbGroup *group = item;
if( [[group groups] count] > index ) {
return [group groups][index];
}
}
return nil;
}
- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
if(!item) {
MPDocument *document = [[[outlineView window] windowController] document];
return ([[document.root groups] count] > 0);
}
if([item isKindOfClass:[KdbGroup class]])
{
KdbGroup *group = item;
return ([[group groups] count] > 0);
}
return NO;
return YES;
}
- (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id<NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(NSInteger)index {
if(_draggedItem) {
KdbGroup *target = [item representedObject];
if( target == nil) {
return NSDragOperationNone; // Draggin over root
}
BOOL validParent = ( _draggedItem.parent == target && index != NSOutlineViewDropOnItemIndex);
if(validParent || _draggedItem.parent != target) {
return NSDragOperationMove;
info.animatesToDestination = YES;
}
}
return NSDragOperationNone;
}
- (BOOL)outlineView:(NSOutlineView *)outlineView acceptDrop:(id<NSDraggingInfo>)info item:(id)item childIndex:(NSInteger)index {
NSLog(@"Drag %@ to: %@ index: %ld", _draggedItem, [item representedObject], index);
KdbGroup *target = [item representedObject];
BOOL accepted = (target != _draggedItem.parent);
info.animatesToDestination = YES;
[_draggedItem moveToGroupUndoable:target];
return accepted;
}
@end