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146 lines
5.0 KiB
C++
146 lines
5.0 KiB
C++
// XTPFlowGraphPageHistory.h: interface for the CXTPFlowGraphPageHistory class.
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//
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// This file is a part of the XTREME TOOLKIT PRO MFC class library.
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// (c)1998-2012 Codejock Software, All Rights Reserved.
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//
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// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
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// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
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// CONSENT OF CODEJOCK SOFTWARE.
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//
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// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
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// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
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// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
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// SINGLE COMPUTER.
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//
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// CONTACT INFORMATION:
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// support@codejock.com
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// http://www.codejock.com
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//
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/////////////////////////////////////////////////////////////////////////////
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//{{AFX_CODEJOCK_PRIVATE
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#if !defined(__XTPFLOWGRAPHPAGEHISTORY_H__)
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#define __XTPFLOWGRAPHPAGEHISTORY_H__
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//}}AFX_CODEJOCK_PRIVATE
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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class CXTPFlowGraphControl;
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class CXTPFlowGraphNodes;
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class CXTPFlowGraphNodeGroups;
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class CXTPFlowGraphConnections;
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class CXTPFlowGraphDrawContext;
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class CXTPPropExchange;
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class CXTPFlowGraphSelectedElements;
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class CXTPFlowGraphNode;
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// ------------------------------------------------------------------
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// Summary:
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// Used internally to store node history for history operations.
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// ------------------------------------------------------------------
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struct CXTPFlowGraphPageHistoryItem
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{
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CXTPFlowGraphNode* pFrom; // Pointer to the previous node.
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CXTPFlowGraphNode* pTo; // Pointer to the destination node.
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};
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// --------------------------------------------------------------------
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//
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// Summary:
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// Object that contains page transition history for the flow graph.
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// --------------------------------------------------------------------
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class _XTP_EXT_CLASS CXTPFlowGraphPageHistory: public CXTPCmdTarget
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{
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public:
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// -------------------------------------------------
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// Summary:
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// Constructs a CXTPFlowGraphPageHistory object.
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// -------------------------------------------------
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CXTPFlowGraphPageHistory(CXTPFlowGraphControl* pControl);
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protected:
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// -------------------------------------------------------------------
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// Summary:
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// Destroys a CXTPFlowGraphPageHistory object, handles cleanup and
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// deallocation.
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// -------------------------------------------------------------------
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virtual ~CXTPFlowGraphPageHistory();
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public:
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// ---------------------------------------------------------------------
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//
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// Summary:
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// Moves to the next page in the flow graphs history (if available).
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// ---------------------------------------------------------------------
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void GoForward();
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// -------------------------------------------------------------
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//
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// Summary:
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// Moves to the previous page in the flow graphs history (if
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// available).
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// -------------------------------------------------------------
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void GoBackward();
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// -----------------------------------------------------------
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//
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// Summary:
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// Tests to see if a GoForward operation can be performed.
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// Returns:
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// True if a GoForward operation can be performed.
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// -----------------------------------------------------------
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BOOL CanGoForward() const;
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// ---------------------------------------------------------------------
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//
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// Summary:
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// Tests to see if a GoBack operation can be performed.
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// Remarks:
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// A GoForward or page transition operation must be performed before
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// a GoBack operation can be performed.
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// Returns:
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// True if a GoBack operation can be performed.
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// ---------------------------------------------------------------------
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BOOL CanGoBackward() const;
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// -----------------------------------------
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//
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// Summary:
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// Clears the history of the flow graph.
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// -----------------------------------------
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void Clear();
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// ---------------------------------------------------------------------------
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//
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// Summary:
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// This method will transition from a node on one page to a node on
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// another page.
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// Parameters:
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// pNodeFrom : Reference to a node on the current page to transition
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// from.
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// pNodeTo : Reference to a node on a different page to transition
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// to.
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//
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// Remarks:
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// AnimatePageTransition will transition from a node on the current
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// page to a node on a different page. This will cause the active
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// page to change to the page that contains the transitioned to node.
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//
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//
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// ---------------------------------------------------------------------------
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void AnimatePageTransition(CXTPFlowGraphNode* pNodeFrom, CXTPFlowGraphNode* pNodeTo);
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protected:
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CXTPFlowGraphControl* m_pControl; // Pointer to the parent flow graph control.
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CArray<CXTPFlowGraphPageHistoryItem, CXTPFlowGraphPageHistoryItem&> m_arrPageUndo; // Contains all the undo actions from the history.
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CArray<CXTPFlowGraphPageHistoryItem, CXTPFlowGraphPageHistoryItem&> m_arrPageRedo; // Contains all the redo actions from the history.
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};
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#endif //#if !defined(__XTPFLOWGRAPHPAGEHISTORY_H__)
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