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/*
Copyright (C) 2000-2005 SKYRIX Software AG
This file is part of SOPE.
SOPE 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, or (at your option) any
later version.
SOPE 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 SOPE; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include <NGObjWeb/WODynamicElement.h>
@interface WOKeyValueConditional : WODynamicElement
{
@protected
// WODynamicElement: extraAttributes
// WODynamicElement: otherTagString
WOAssociation *key;
WOAssociation *value;
WOElement *template;
// non-WO
WOAssociation *negate;
}
@end /* WOKeyValueConditional */
#include "common.h"
@implementation WOKeyValueConditional
- (id)initWithName:(NSString *)_name
associations:(NSDictionary *)_config
template:(WOElement *)_c
{
if ((self = [super initWithName:_name associations:_config template:_c])) {
self->key = WOExtGetProperty(_config, @"key");
self->value = WOExtGetProperty(_config, @"value");
self->negate = WOExtGetProperty(_config, @"negate");
self->template = [_c retain];
}
return self;
}
- (void)dealloc {
[self->template release];
[self->value release];
[self->key release];
[super dealloc];
}
/* accessors */
- (id)template {
return self->template;
}
/* state */
static inline BOOL _doShow(WOKeyValueConditional *self, WOContext *_ctx) {
WOComponent *c = [_ctx component];
BOOL doShow = NO;
BOOL doNegate = [self->negate boolValueInComponent:c];
id v, kv;
NSString *k;
k = [self->key stringValueInComponent:c];
v = [self->value valueInComponent:c];
kv = [c valueForKey:k];
doShow = [kv isEqual:v];
return doNegate ? !doShow : doShow;
}
/* handling requests */
- (void)takeValuesFromRequest:(WORequest *)_rq inContext:(WOContext *)_ctx {
if (_doShow(self, _ctx)) {
[_ctx appendElementIDComponent:@"1"];
[self->template takeValuesFromRequest:_rq inContext:_ctx];
[_ctx deleteLastElementIDComponent];
}
#if 0
else {
NSLog(@"didn't take value from request: %@\n doShow=%@\n doNegate=%@",
[self elementID],
self->condition, self->negate);
}
#endif
}
- (id)invokeActionForRequest:(WORequest *)_rq inContext:(WOContext *)_ctx {
NSString *state;
state = [[_ctx currentElementID] stringValue];
if (state) {
[_ctx consumeElementID]; // consume state-id (on or off)
if ([state isEqualToString:@"1"]) {
id result;
[_ctx appendElementIDComponent:state];
result = [self->template invokeActionForRequest:_rq inContext:_ctx];
[_ctx deleteLastElementIDComponent];
return result;
}
}
return nil;
}
- (void)appendToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx {
if (_doShow(self, _ctx)) {
[_ctx appendElementIDComponent:@"1"];
[self->template appendToResponse:_response inContext:_ctx];
[_ctx deleteLastElementIDComponent];
}
}
/* description */
- (NSString *)associationDescription {
NSMutableString *str;
str = [NSMutableString stringWithCapacity:64];
if (self->key) [str appendFormat:@" key=%@", self->key];
if (self->value) [str appendFormat:@" value=%@", self->value];
if (self->negate) [str appendFormat:@" negate=%@", self->negate];
if (self->template) [str appendFormat:@" template=%@", self->template];
return str;
}
@end /* WOKeyValueConditional */
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