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public/dme_controls/AttributeWidgetFactory.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef ATTRIBUTEWIDGETFACTORY_H
+#define ATTRIBUTEWIDGETFACTORY_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier0/platform.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CDmElement;
+class CMovieDoc;
+class IDmNotify;
+class CDmeEditorAttributeInfo;
+class CDmeEditorTypeDictionary;
+class CDmAttribute;
+
+namespace vgui
+{
+	class EditablePanel;
+	class Panel;
+}
+
+
+//-----------------------------------------------------------------------------
+// Info about the attribute being edited, and how the editor should look
+//-----------------------------------------------------------------------------
+struct AttributeWidgetInfo_t
+{
+	AttributeWidgetInfo_t()
+	{
+		m_nArrayIndex = -1;
+	}
+
+	CDmElement *m_pElement;
+	const char *m_pAttributeName;
+	int m_nArrayIndex;
+	CDmeEditorTypeDictionary *m_pEditorTypeDictionary;
+	CDmeEditorAttributeInfo *m_pEditorInfo;
+
+	IDmNotify *m_pNotify;
+	bool m_bAutoApply;
+	bool m_bShowMemoryUsage;
+};
+
+
+//-----------------------------------------------------------------------------
+// Interface used to create an attribute widget
+//-----------------------------------------------------------------------------
+class IAttributeWidgetFactory
+{
+public:
+	virtual vgui::Panel *Create( vgui::Panel *pParent, const AttributeWidgetInfo_t &info ) = 0;
+};
+
+
+//-----------------------------------------------------------------------------
+// Templatized class used to create widget factories
+//-----------------------------------------------------------------------------
+class IAttributeWidgetFactoryList
+{
+public:
+	// Returns a named widget factory
+	virtual IAttributeWidgetFactory *GetWidgetFactory( const char *pWidgetName ) = 0;
+
+	// Returns a factory used to create widget for the attribute passed in
+	virtual IAttributeWidgetFactory *GetWidgetFactory( CDmElement *object, CDmAttribute *pAttribute, CDmeEditorTypeDictionary *pTypeDictionary	) = 0;
+
+	// Returns a factory used to create widgets for entries in an attribute array
+	virtual IAttributeWidgetFactory *GetArrayWidgetFactory( CDmElement *object, CDmAttribute *pAttribute, CDmeEditorTypeDictionary *pTypeDictionary ) = 0;
+
+	// Applies changes to a widget
+	virtual void ApplyChanges( vgui::Panel *pWidget, vgui::Panel *pSender = NULL ) = 0;
+
+	// Refreshes a widget when attributes change
+	virtual void Refresh( vgui::Panel *pWidget, vgui::Panel *pSender = NULL ) = 0;
+};
+
+extern IAttributeWidgetFactoryList *attributewidgetfactorylist;
+
+
+#endif // ATTRIBUTEWIDGETFACTORY_H