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//
// Lynkeos
// $Id$
//
// Created by Jean-Etienne LAMIAUD on Mon Apr 9 2007.
// Copyright (c) 2007-2018. Jean-Etienne LAMIAUD
//
// 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.
//
#include "LynkeosColumnDescriptor.h"
/*!
* @abstract Concrete implementation of the subclassing of NSMutableDictionary
* @discussion The direct subclassing of NSMutableDictionary is not possible.
* This class simulates it by agregating a dictionary and forwarding
* invocations to it.
*/
@interface MyConcreteColumnDescriptor : NSObject
{
NSMutableDictionary *_dict; //!< The aggregated dictionary
}
/*!
* @abstract Register an outline wiew column to display some processing info
* @param key The string identifying the column
* @param proc The reference of the process to which this information belongs
* @param ref The reference under which this parameter is stored
* @param field The name of the field used for key value coding
* @param format The format used for displaying this parameter
*/
- (void) registerColumn:(NSString*)key forProcess:(NSString*)proc
parameter:(NSString*)ref field:(NSString*)field
format:(NSString*)format;
@end
static MyConcreteColumnDescriptor *columnDescriptorInstance = nil;
@implementation LynkeosColumnDescription
- (id) init
{
if ( (self = [super init]) != nil )
{
_processingRef = nil;
_parameterReference = nil;
_fieldName = nil;
_format = nil;
}
return( self );
}
- (void) dealloc
{
if ( _processingRef != nil )
[_processingRef release];
if ( _parameterReference != nil )
[_parameterReference release];
if ( _fieldName != nil )
[_fieldName release];
if ( _format != nil )
[_format release];
[super dealloc];
}
@end
@implementation LynkeosColumnDescriptor
+ (LynkeosColumnDescriptor*) defaultColumnDescriptor
{
// Create the singleton if needed
if ( columnDescriptorInstance == nil )
// Create an instance of the concrete implementation
[[MyConcreteColumnDescriptor alloc] init];
NSAssert( columnDescriptorInstance != nil,
@"Failed to create the columns descriptor singleton" );
return( (LynkeosColumnDescriptor*)columnDescriptorInstance );
}
- (id) init
{
self = [super init];
[self release];
self = nil;
NSAssert( NO,@"Abstract class MyColumnDescriptor does not implement init" );
return( self );
}
- (void) registerColumn:(NSString*)key forProcess:(NSString*)proc
parameter:(NSString*)ref field:(NSString*)field
format:(NSString*)format
{
NSAssert( NO,
@"Abstract class MyColumnDescriptor does not implement registerColumn" );
}
@end
@implementation MyConcreteColumnDescriptor
- (id) init
{
NSAssert( columnDescriptorInstance == nil,
@"Attempt to create more than one MyConcreteColumnDescriptor" );
if ( (self = [super init]) != nil )
{
columnDescriptorInstance = self;
_dict = [[NSMutableDictionary dictionary] retain];
}
return( self );
}
- (void) deallocate
{
if ( self != columnDescriptorInstance )
NSLog( @"Deallocated MyConcreteColumnDescriptor is not the singleton instance" );
else
columnDescriptorInstance = nil;
[_dict release];
[super dealloc];
}
- (void) registerColumn:(NSString*)key forProcess:(NSString*)proc
parameter:(NSString*)ref field:(NSString*)field
format:(NSString*)format
{
LynkeosColumnDescription *desc = [[[LynkeosColumnDescription alloc] init] autorelease];
desc->_processingRef = proc;
desc->_parameterReference = ref;
desc->_fieldName = field;
desc->_format = format;
[_dict setObject:desc forKey:key];
}
// Forward other invocations to the dictionary (direct inheritance is not possible)
- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector
{
return( [_dict methodSignatureForSelector: aSelector] );
}
- (void)forwardInvocation:(NSInvocation *)anInvocation
{
[anInvocation invokeWithTarget:_dict];
}
@end
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