//
//  Document.h
//  XMLTest
//
//  Created by Ashley on 10/04/2007.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "EXPSheet.h"
#import "EXPParameterElement.h"
#import "EXPFlowElement.h"
#import "EXPStateElement.h"
#import "EXPAuxiliaryElement.h"
#import "EXPFunctionElement.h"
#import "EXPExpression.h"
#import "EXPExpressionList.h"
#import "EXPStackMachine.h"
#import "history_protocol.h"
#import "PLTMatrix.h"

@interface EXPModel : NSObject {
	NSMutableDictionary *_elements;
	NSMutableArray *_sheets;	
	
	NSString *_graphicsDevice;
	NSString *_graphicsFile;
	
	id <history, NSObject> _history;

	EXPStackMachine *_machine;
	NSArray *_delays;
	NSArray *_switchAddresses;
	NSArray *_mapAddresses;
	unsigned int _rhsStartLocation;
	unsigned int _initstateStartLocation;
	int _nHistory;
	
	long _histSize;
	double _t0;
	double _t1;
	double _dt;
	double _eps;
	double _outputStep;

//	PLTMatrix *_yValues;	
//	PLTMatrix *_auxValues;
	PLTMatrix *_outputValues;	
	int _outputCounter;
}

- (void) loadFromXMLFile:(NSString *)file;
- (BOOL) loadFromDDEData:(NSData *)data encoding:(NSStringEncoding)encoding;

- (int) nVariables;

- (id) sheets;
- (void) insertSheet:(EXPSheet *)sheet atIndex:(int)index;
- (BOOL) processOption:(EXPParser *)parser;

- (void) setMachine:(id)machine;
- (id) machine;
- (void) setDelays:(id)delays;
- (id) delays; 
- (void) setSwitchAddresses:(id)switchAddresses;
- (id) switchAddresses;
- (void) setMapAddresses:(id)mapAddresses;
- (id) mapAddresses;
- (void) setRhsStartLocation:(unsigned int)location;
- (unsigned int) rhsStartLocation;
- (void) setInitstateStartLocation:(unsigned int)location;
- (unsigned int) initstateStartLocation;

- (void) compile;

/*- (void) setAuxValues:(PLTMatrix *) auxValues;
- (id) auxValues;
- (void) setYValues:(PLTMatrix *) yValues;
- (id) yValues; */
- (void) setOutputValues:(PLTMatrix *) tValues;
- (id) outputValues;
- (void) setOutputCounter:(int)outputCounter;
- (int) outputCounter;

- (void) setGraphicsDevice:(id) graphicsDevice;
- (id) graphicsDevice;
- (void) setGraphicsFile:(id) graphicsFile;
- (id) graphicsFile;

- (void) print;
- (void) plot;

- (void) handleError:(NSError *)err;

- (long) histSize;
- (void) sethistSize:(long) histSize;
- (double) t0;
- (void) setT0:(double) t0;
- (double) t1;
- (void) setT1:(double) t1;
- (double) dt;
- (void) setDt:(double) dt;
- (double) eps;
- (void) setEps:(double) eps;
- (double) outputStep;
- (void) setOutputStep:(double)outputStep;

- (void) setHistory:(id <history, NSObject>)history;
- (id) history;
- (void) setNHistory:(int)nHistory;
- (int) nHistory;
- (long) histSize;
- (int) nLag;
- (int) nSwitches;
- (void) output:(double *)s time:(double)t;
- (void) initConstants;

@end