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/*
Copyright (c) 1998, 1999, 2000, 2001, 2003, 2004 Benhur Stein
This file is part of Paj.
Paj is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
Paj 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 Lesser General Public License
for more details.
You should have received a copy of the GNU Lesser General Public License
along with Paj; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
//
// UserEvent
//
// holds a user-definable link
//
#include "UserLink.h"
#include "../General/Macros.h"
#include "../General/PajeContainer.h"
@implementation UserLink
+ (UserLink *)linkOfType:(PajeEntityType *)type
value:(id)v
key:(id)k
container:(PajeContainer *)c
sourceContainer:(PajeContainer *)sc
sourceEvent:(PajeEvent *)e
{
return [[[self alloc] initWithType:type
value:v
key:k
container:c
sourceContainer:sc
sourceEvent:e] autorelease];
}
+ (UserLink *)linkOfType:(PajeEntityType *)type
value:(id)v
key:(id)k
container:(PajeContainer *)c
destContainer:(PajeContainer *)dc
destEvent:(PajeEvent *)e;
{
return [[[self alloc] initWithType:type
value:v
key:k
container:c
destContainer:dc
destEvent:e] autorelease];
}
- (id)initWithType:(PajeEntityType *)type
value:(id)v
key:(id)k
container:(PajeContainer *)c
sourceContainer:(PajeContainer *)sc
sourceEvent:(PajeEvent *)e
{
self = [super initWithType:type
value:v
container:c
startEvent:e];
if (self != nil) {
Assign(key, k);
sourceContainer = sc; // not retained
}
return self;
}
- (id)initWithType:(PajeEntityType *)type
value:(id)v
key:(id)k
container:(PajeContainer *)c
destContainer:(PajeContainer *)dc
destEvent:(PajeEvent *)e
{
self = [super initWithType:type
value:v
container:c
startEvent:nil];
if (self != nil) {
[self setEndEvent:e];
Assign(key, k);
destContainer = dc; // not retained
}
return self;
}
- (void)dealloc
{
Assign(key, nil);
[super dealloc];
}
- (void)setSourceContainer:(PajeContainer *)sc
sourceEvent:(PajeEvent *)e
{
sourceContainer = sc; // not retained
[self setEvent:e];
}
- (void)setDestContainer:(PajeContainer *)dc
destEvent:(PajeEvent *)e
{
destContainer = dc; // not retained
[self setEndEvent:e];
}
- (BOOL)canBeEndedWithValue:(id)v key:(id)k
{
return (/*(destContainer == nil)
&& */[[self value] isEqual:v]
&& [key isEqual:k]);
}
- (BOOL)canBeStartedWithValue:(id)v key:(id)k
{
return (/*(sourceContainer == nil)
&& */[[self value] isEqual:v]
&& [key isEqual:k]);
}
- (PajeContainer *)container
{
return container;
}
- (PajeContainer *)sourceContainer
{
return sourceContainer;
}
- (PajeContainer *)destContainer
{
return destContainer;
}
- (PajeEntityType *)sourceEntityType
{
return [sourceContainer entityType];
}
- (PajeEntityType *)destEntityType
{
return [destContainer entityType];
}
- (NSArray *)fieldNames
{
NSArray *localFields;
localFields = [NSArray arrayWithObjects:
@"SourceContainer", @"DestContainer", @"Key",
@"StartLogical", @"EndLogical",
nil];
return [[super fieldNames] arrayByAddingObjectsFromArray:localFields];
}
- (id)valueOfFieldNamed:(NSString *)fieldName
{
id value;
if ([fieldName isEqual:@"SourceContainer"])
return [self sourceContainer];
else if ([fieldName isEqual:@"DestContainer"])
return [self destContainer];
else if ([fieldName isEqual:@"Key"])
return key;
else if ([fieldName isEqual:@"StartLogical"])
return [NSString stringWithFormat:@"%d", [self startLogicalTime]];
else if ([fieldName isEqual:@"EndLogical"])
return [NSString stringWithFormat:@"%d", [self endLogicalTime]];
else value = [super valueOfFieldNamed:fieldName];
return value;
}
- (NSDate *)xendTime
{
// if (endLogicalTime != nil)
// return endLogicalTime;
return [super endTime];
}
- (NSDate *)startTime
{
//if (startLogicalTime != nil)
// return startLogicalTime;
if (time != nil) {
return [super startTime];
} else if (sourceContainer != nil) {
return [sourceContainer endTime];
} else {
return [self endTime];
}
}
- (void)setStartLogicalTime:(int)t
{
startLogicalTime = t;
}
- (void)setEndLogicalTime:(int)t
{
endLogicalTime = t;
}
- (int)startLogicalTime
{
return startLogicalTime;
}
- (int)endLogicalTime
{
return endLogicalTime;
}
- (id) key
{
return key;
}
@end
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