/*
* Adium is the legal property of its developers, whose names are listed in the copyright file included
* with this source distribution.
*
* 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 2 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,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#import "AIMoveCommand.h"
#import "NSStringScriptingAdditions.h"
@implementation AIMoveCommand
/**
* @brief Checks if target responds to 'move<Key>:toIndex:'. If so, then uses that method to move. Otherwise, calls super.
*
* This class overrides NSMoveCommand, and is more useful for those cases when a move is not a remove/insert pair.
* The target can specify exactly how to get the object into itself, in its own move<Key>:toIndex: method.
*/
- (id)performDefaultImplementation
{
NSPositionalSpecifier *toLocation = [[self evaluatedArguments] objectForKey:@"ToLocation"];
NSString *keyClassName = [[self keySpecifier] key];
NSString *methodName = [NSString stringWithFormat:@"move%@:toIndex:",[keyClassName camelCase]];
id target = [toLocation insertionContainer];
id thingToMove = [target valueAtIndex:[toLocation insertionIndex] inPropertyWithKey:[toLocation insertionKey]];
if ([thingToMove respondsToSelector:NSSelectorFromString(methodName)]) {
target = thingToMove;
}
if ([target respondsToSelector:NSSelectorFromString(methodName)]) {
NSMethodSignature *method = [target methodSignatureForSelector:NSSelectorFromString(methodName)];
if (!method) {
NSLog(@"%@ doesn't support %@!",NSStringFromClass([target class]),method);
return nil;
}
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:method];
[invocation setSelector:NSSelectorFromString(methodName)];
id chat = [[self keySpecifier] objectsByEvaluatingSpecifier];
[invocation setArgument:&chat atIndex:2];
NSUInteger index = [toLocation insertionIndex];
[invocation setArgument:&index atIndex:3];
[invocation invokeWithTarget:target];
id r;
[invocation getReturnValue:&r];
return r;
}
else
return [super performDefaultImplementation];
return nil;
}
@end
