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//
// TableMove.m
// Freecell
//
// Created by Alisdair McDiarmid on Fri Jul 11 2003.
// Copyright (c) 2003 Alisdair McDiarmid. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// ALISDAIR MCDIARMID BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import "TableMove.h"
@implementation TableMove
+ moveFromSource: (TableLocation *) newSource
{
return [[[TableMove alloc] initWithSource: newSource destination: [TableLocation noLocation]] autorelease];
}
+ moveFromSource: (TableLocation *) newSource toDestination: (TableLocation *) newDestination
{
return [[[TableMove alloc] initWithSource: newSource
destination: newDestination
count: 1] autorelease];
}
+ reverseMove: (TableMove *) move
{
return [[[TableMove alloc] initWithSource: move->destination
destination: move->source
count: move->count] autorelease];
}
- init
{
return [self initWithSource: [TableLocation noLocation]
destination: [TableLocation noLocation]
count: 0];
}
- initWithSource: (TableLocation *) newSource destination: (TableLocation *) newDestination
{
return [self initWithSource: newSource
destination: newDestination
count: 1];
}
- initWithSource: (TableLocation *) newSource destination: (TableLocation *) newDestination
count: (unsigned) newCount
{
[super init];
if (self)
{
source = [newSource copy];
destination = [newDestination copy];
if ([source type] == NONE || [destination type] == NONE)
count = 0;
else
count = newCount;
}
return self;
}
- (void) dealloc
{
[self setSource: nil];
[self setDestination: nil];
[super dealloc];
}
- copyWithZone: (NSZone *) zone
{
return [[TableMove allocWithZone: zone] initWithSource: source
destination: destination
count: count];
}
// Overridden methods
//
- (NSString *) description
{
return [NSString stringWithFormat: @"Source = %@; Destination = %@",
source, destination];
}
// Mutators
//
- (void) setSource: (TableLocation *) newSource
{
[source release];
source = [newSource copy];
}
- (void) setDestination: (TableLocation *) newDestination
{
[destination release];
destination = [newDestination copy];
}
- (void) setCount: (unsigned) newCount
{
count = newCount;
}
// Accessors
//
- (TableLocation *) source
{
return source;
}
- (TableLocation *) destination
{
return destination;
}
- (unsigned) count
{
return count;
}
@end
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