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133 lines
4.8 KiB
C++
133 lines
4.8 KiB
C++
// XTPFlowGraphElement.h: interface for the CXTPFlowGraphElement 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(__XTPFLOWGRAPHELEMENT_H__)
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#define __XTPFLOWGRAPHELEMENT_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 CXTPFlowGraphPage;
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// -----------------------------------------------------------------------
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//
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// Summary:
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// Base class for all elements in the flow graph.
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//
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// Remarks:
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// Every object in the flow graph is derived from FlowGraphElement. It
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// is commonly used when referencing an object that can be many
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// different types, for example when using HitTest the returned
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// \object is a FlowGraphElement and then you can cast it to the
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// appropriate type.
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// -----------------------------------------------------------------------
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class _XTP_EXT_CLASS CXTPFlowGraphElement : public CXTPCmdTarget
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{
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DECLARE_DYNAMIC(CXTPFlowGraphElement);
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public:
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// ---------------------------------------------
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// Summary:
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// Constructs a CXTPFlowGraphElement object.
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// ---------------------------------------------
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CXTPFlowGraphElement();
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// ---------------------------------------------------------------
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// Summary:
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// Destroys a CXTPFlowGraphElement object, handles cleanup and
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// deallocation.
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// ---------------------------------------------------------------
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virtual ~CXTPFlowGraphElement();
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public:
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// -----------------------------------------------------
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// Summary:
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// Gets a reference to the parent FlowGraph control.
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// Returns:
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// A reference to the parent FlowGraph control.
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// -----------------------------------------------------
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virtual CXTPFlowGraphControl* GetControl() const = 0;
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// ---------------------------------------------------------------------
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//
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// Summary:
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// Reference to the page that this element is displayed on.
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// Returns:
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// Reference to the FlowGraphPage that this element is displayed on.
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// ---------------------------------------------------------------------
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virtual CXTPFlowGraphPage* GetPage() const = 0;
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// -------------------------------------------------------------
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//
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// Summary:
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// Specifies whether the node is currently selected.
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// Returns:
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// \Returns True is the element is currently selected, False
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// \otherwise.
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//
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//
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// -------------------------------------------------------------
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BOOL IsSelected() const;
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// -----------------------------------------------------------------
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// Summary:
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// This method is called when the flow graph layout has changed.
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// Remarks:
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// This is called when the page zoom level, page scroll offset,
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// window\\node size, window handle, node style, node color, or
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// connection style is changed.
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// -----------------------------------------------------------------
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void OnGraphChanged();
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// ------------------------------------------------------
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// Summary:
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// This method is called when the element is removed.
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// ------------------------------------------------------
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virtual void OnRemoved();
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// --------------------------------------------------------------
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//
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// Summary:
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// Gets\\sets the caption that is displayed for this element.
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// Parameters:
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// lpszCaption : The caption to displayed for this element.
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// --------------------------------------------------------------
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virtual void SetCaption(LPCTSTR lpszCaption) = 0;
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// ------------------------------------------------------------
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//
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// Summary:
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// Gets the caption that is displayed for this element.
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// Returns:
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// \Returns the caption that is displayed for this element.
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// ------------------------------------------------------------
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virtual CString GetCaption() const = 0;
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public:
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BOOL m_bDirty; // Internally used to tell the flow graph that the element has changed. This will tell Reposition to handle the element.
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protected:
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BOOL m_bSelected; // Specifies whether the element is selected. True if selected, False otherwise.
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friend class CXTPFlowGraphSelectedElements;
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};
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#endif //#if !defined(__XTPFLOWGRAPHELEMENT_H__)
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