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//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// hdCollectionBase.h - A Collection Interface for ERD
//
//////////////////////////////////////////////////////////////////////////
#ifndef HDCOLLECTIONBASE_H
#define HDCOLLECTIONBASE_H
// App headers
#include "hotdraw/main/hdObject.h"
// This class it's like an interface (but with not all advantages of this at runtime)
// If in a future I just don't want to use an array, simple implement this abstract class again
// with the new data structure.
class hdIteratorBase : wxObject
{
public:
hdIteratorBase() {};
virtual hdObject *Current() = 0;
virtual hdObject *Next() = 0;
virtual bool HasNext() = 0;
virtual void ResetIterator() = 0;
};
class hdCollectionBase : wxObject
{
public:
hdCollectionBase() {};
virtual ~hdCollectionBase() {};
virtual void addItem(hdObject *item) = 0;
virtual void removeItem(hdObject *item) = 0;
virtual void removeItemAt(int index) = 0;
virtual hdObject *getItemAt(int index) = 0;
virtual hdIteratorBase *createIterator() = 0;
virtual hdIteratorBase *createDownIterator() = 0;
virtual int count() = 0;
virtual bool existsObject(hdObject *item) = 0;
virtual int getIndex(hdObject *item) = 0;
virtual void insertAtIndex(hdObject *item, int index) = 0;
virtual void replaceAtIndex(hdObject *item, int index) = 0;
virtual void bringToFront(hdObject *item) = 0;
virtual void sendToBack(hdObject *item) = 0;
virtual void deleteAll() = 0;
virtual void removeAll() = 0; //remove all items from collection without deleting.
};
#endif
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