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datamodel/DmElementFramework.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef DMELEMENTFRAMEWORK_H
+#define DMELEMENTFRAMEWORK_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "datamodel/idatamodel.h"
+#include "tier1/utlvector.h"
+#include "dependencygraph.h"
+
+
+//-----------------------------------------------------------------------------
+// element framework implementation
+//-----------------------------------------------------------------------------
+class CDmElementFramework : public IDmElementFramework
+{
+public:
+	CDmElementFramework();
+
+public:
+	// Methods of IAppSystem
+	virtual bool Connect( CreateInterfaceFn factory );
+	virtual void Disconnect();
+	virtual void *QueryInterface( const char *pInterfaceName );
+	virtual InitReturnVal_t Init();
+	virtual void Shutdown();
+
+	// Methods of IDmElementFramework
+	virtual DmPhase_t GetPhase();
+	virtual void SetOperators( const CUtlVector< IDmeOperator* > &operators );
+	virtual void BeginEdit(); // ends in edit phase, forces apply/resolve if from edit phase
+	virtual void Operate( bool bResolve ); // ends in output phase
+	virtual void Resolve();
+
+public:
+	// Other public methods
+	void AddElementToDirtyList( DmElementHandle_t hElement );
+	void RemoveCleanElementsFromDirtyList();
+
+	// Non-virtual methods of identical virtual functions
+	DmPhase_t FastGetPhase();
+
+
+private:
+	void EditApply();
+
+	// Invoke the resolve method
+	void Resolve( bool clearDirtyFlags );
+
+	CDependencyGraph m_dependencyGraph;
+	CUtlVector< DmElementHandle_t > m_dirtyElements;
+	DmPhase_t m_phase;
+};
+
+
+//-----------------------------------------------------------------------------
+// Singleton
+//-----------------------------------------------------------------------------
+extern CDmElementFramework *g_pDmElementFrameworkImp;
+
+
+//-----------------------------------------------------------------------------
+// Inline methods
+//-----------------------------------------------------------------------------
+inline DmPhase_t CDmElementFramework::FastGetPhase()
+{
+	return m_phase;
+}
+
+
+#endif // DMELEMENTFRAMEWORK_H