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#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>
#import "SelectionManager.h"
static SelectionManager *singleton;
@implementation SelectionManager(Private)
- (id)init
{
self = [super init];
if (self) {
_objects = [NSMutableArray new];
_copyarea = [NSMutableArray new];
}
return self;
}
@end
@implementation SelectionManager
+ (void)initialize
{
if ([SelectionManager class] == self)
singleton = [[SelectionManager alloc] init];
}
+ (SelectionManager *)globalManager
{
return singleton;
}
- (void)dealloc
{
[_objects release];
[_copyarea release];
[super dealloc];
}
- (int)count
{
return [_objects count];
}
- (int)copiedCount
{
return [_copyarea count];
}
- (void)select:(id)object
{
if (!([[NSApp currentEvent] modifierFlags] & NSControlKeyMask))
[_objects removeAllObjects];
if (![_objects containsObject:object])
[_objects addObject:object];
}
- (void)clear
{
[_objects removeAllObjects];
}
- (id)lastObject
{
return [_objects lastObject];
}
- (void)copySelection
{
[_copyarea setArray:_objects];
_operation = SMCopy;
}
- (void)cutSelection
{
[_copyarea setArray:_objects];
_operation = SMCut;
}
- (NSArray *)paste
{
NSArray *ret = [NSArray arrayWithArray:_copyarea];
if (_operation == SMCut)
[_copyarea removeAllObjects];
return ret;
}
- (NSArray *)selection
{
return _objects;
}
- (NSEnumerator *)enumerator
{
return [_objects objectEnumerator];
}
- (SMOperation)lastOperation
{
return _operation;
}
@end
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