ApplicationManager.h

#ifndef APPLICATION_MANAGER_H
#define APPLICATION_MANAGER_H

#include "DEFS.h"
#include "Statements\Statement.h"
class Input;
class Output;


//Main class that manages everything in the application.
class ApplicationManager
{
	enum { MaxCount = 200 };	//Max no of statements/connectors in a single flowchart

private:
	Point P;
	int StatCount;		//Actual number of statements
	int StatID;
	int ConnCount;		//Actual number of connectors
	int VarCount;
	Statement* StatList[MaxCount];	//List of all statements (Array of pointers)
	Connector* ConnList[MaxCount];	//List of all connectors (Array of pointers)
	Variable *VarList[MaxCount];	//list of all variables (array of pointers)
	Statement *pSelectedStat;	 //a pointer to the last selected statement
	Connector *pSelectedConn;	//a pointer to the last selected Connector
	Statement *pCopied;
	int CopyType;
	bool editedDesign;	//boolean tells if the design is edited or not
	//Pointers to Input and Output classes
	Input *pIn;
	Output *pOut;
	string SaveArr[10000];
	int GL,plus;



public:	
	ApplicationManager(); 
	~ApplicationManager();

	// -- Actions Related Functions
	//Reads the input command from the user and returns the corresponding action type
	ActionType GetUserAction();
	void ExecuteAction(ActionType) ; //Creates an action and executes it

	// -- Statements/Connector Management Functions
	int GetStatCount();		//returns the number of statements in the statements list
	int GetConnCount();		//returns the number of connectors in the connectors list
	int GetVarCount();		//returns the number of variables in the variables list


	void AddStatement(Statement* pStat); //Adds a new Statement to the Flowchart
	Statement *GetStatement(Point P) const;	//search for a statement where point P belongs
	void DeleteStat (Statement* Stat); //delete a statement from the statements list

	void SetConnector(Connector* pConn); //Adds a new Connector to the Flowchart
	Connector *GetConnector(Point P) const;	//search for a Connector where point P belongs
	void EditConnectors(Statement *Stat);	//edit the input connectors to a statement
	void DeleteConn (Connector* Conn);	//delete a connector from the connectors list

	Variable* AddVariable(Variable *V);
	Variable *GetVariable(int j) const;
	void deleteVariable(Variable *V);
	void InitializeVar();

	Statement *GetSelectedStatement() const;	//Returns the selected Statement
	void SetSelectedStatement(Statement *pStat); //Set the Statement selected by the user

	Connector *GetSelectedSConnector() const;	//Returns the selected Connector
	void SetSelectedConnector(Connector *pConn); //Set the Connector selected by the user

	Statement *GetStatList(int j);	//gets a statement from the statements list
	Connector *GetConnList(int j);	//gets a connector from the connectorslist



	void SetCopied(Statement* P);	//set the statement copied or cut by the user
	Statement* GetCopied();			//get the copied or cut statement
	void SetCopyType(int x);		//set the copy type < 1 for copy > <2 for cut>
	int GetCopyType();				//get the copy type

	void UnSelect();		//unselect any selected object
	Point getPoint();		//get the point where the user clicked

	bool onBars(Point P);	//check if the point the user clicked on any of tool bars or not
	bool onObject(Point P);	//check if the point where the user clicked on any drewn object or not

	void setEditedDesign(bool E);
	bool getEditedDesign();
	void onExit();
	void UndoRedo(int n=0);
	void LoadModify();	//modify variables & connectors with statements after the load operation

	void SwitchToSim();	//switch to simulation mode

	// -- Interface Management Functions
	Input *GetInput() const; //Return pointer to the input
	Output *GetOutput() const; //Return pointer to the output
	void UpdateInterface() const;	//Redraws all the drawing window

};

#endif