cpublickeysview.h

PGP8.0源码 请认真阅读您的文件包然后写出其具体功能

/*____________________________________________________________________________
		Copyright (C) 2002 PGP Corporation
        All rights reserved.

        $Id: CPublicKeysView.h,v 1.3 2002/08/06 20:09:24 dallen Exp $
____________________________________________________________________________*/

#ifndef Included_CPublicKeysView_h	// [
#define Included_CPublicKeysView_h

#include "pgpPubTypes.h"

#include "CList.h"
#include "CString.h"

#include "CListView.h"

_PGP_BEGIN

// Class CPublicKeysView

class CPublicKeysView : public CListView
{
public:
	enum
	{
		kUserIDColFlag		= 0x0001, 
		kValidityColFlag	= 0x0002, 
		kSizeColFlag		= 0x0004, 
	};

	struct PubKeyItem : public CListableObject<PubKeyItem>
	{
		// These 6 fields to be filled in by client.
		PGPBoolean		isOnlyKeyIDValid;
		PGPKeyDBObjRef	key;
		PGPKeyDBObjRef	subKey;
		PGPKeyID		keyID;
		PGPBoolean		readOnly;
		PGPBoolean		locked;

		// Remaining fields used solely by class CPublicKeysView.
		PGPUInt32	icon;

		PGPUInt32	validity;
		PGPUInt32	trust;
		char		userID[kPGPMaxUserIDSize + 1];
		char		sizeStr[30];
	};

private:
	enum {PixelsLeftMargin = 2};

	struct PKViewDrawElements;

public:
	CPublicKeysView();
	CPublicKeysView(HWND hWnd);
	~CPublicKeysView() { }

	PGPInt32	FindKeyIDIndex(const CPGPKeyID& keyID) const;

	void	GetSelectedItems(CArray<PubKeyItem>& items, 
		PGPUInt32& numItems) const;
	void	SelectIndex(PGPInt32 i);
	void	SelectAllItems();
	
	void	AddKey(const CPGPKey& key, const CPGPKey &subKey);
	void	AddKey(const CPGPKeyID& keyID, PGPBoolean readOnly, 
		PGPBoolean locked);

	void	RemoveKeyAtIndex(PGPInt32 i);

	void	SetActiveColumns(PGPUInt32 columns);
	void	SortOnColumn(PGPUInt32 column);

	void	Initialize(const CPGPdiskContext *pContext, 
		PGPBoolean singleSelect = FALSE, 
		PGPBoolean marginalInvalid = FALSE, 
		PGPBoolean displayMarginal = TRUE);
	void	Clear();

private:
	const CPGPdiskContext	*mPContext;

	CList<PubKeyItem>	mItemList;
	PKViewDrawElements	*mPDE;

	PGPBoolean	mSingleSelect;
	PGPBoolean	mMarginalInvalid;
	PGPBoolean	mDisplayMarginal;

	PGPBoolean	mSortAscending;
	PGPUInt32	mLastSortColumn;

	PGPUInt32	mActiveColumns;
	PGPUInt32	mUserIDColIndex;
	PGPUInt32	mSizeColIndex;
	PGPUInt32	mValidityColIndex;

	PGPUInt32	ConvertFromPGPValidity(PGPUInt32 uPGPValidity) const;
	PGPUInt32	ConvertFromPGPTrust(PGPUInt32 uPGPTrust) const;

	void	GetUnknownUserIDString(const CPGPKeyID& keyID, 
		CString& userID) const;

	int	PubKeyViewCompareProcAux(const PubKeyItem *pKey1, 
		const PubKeyItem *pKey2);

	static int CALLBACK	PubKeyViewCompareProc(LPARAM lParam1, 
		LPARAM lParam2, LPARAM lParamSort);

	void	DrawBar(CDC& itemDC, const CRect& ptrBarRect, 
		PGPInt32 dataValue, PGPInt32 maxValue, PGPBoolean isSelected) const;
	void	DrawNoviceButton(CDC& itemDC, const CRect& ptrBarRect, 
		PGPInt32 dataValue, PGPInt32 maxValue, PGPBoolean isSelected) const;
	void	DrawTrueFalseButton(CDC& itemDC, const CRect& ptrBarRect, 
		PGPBoolean trueFalse, PGPBoolean isSelected) const;
	void	DrawItemColumn(CDC& itemDC, const char *userID, 
		const CRect& prcClip) const;

	void	DrawKeyItemAux(LPDRAWITEMSTRUCT pDIS, PGPBoolean isFocused) const;
	void	DrawKeyItem(LPDRAWITEMSTRUCT pDIS) const;

	PubKeyItem *	GetItemAtIndex(PGPInt32 i) const;
	PGPInt32		GetIndexOfItem(const PubKeyItem *pKey) const;

	void	LookupUnknownKeys();

	void	UpdateKeyItemInfo(PubKeyItem *pItem);
	void	AddKeyItem(PubKeyItem *pItem);
	void	RemoveKeyItem(PubKeyItem *pItem);

	void	CreateDrawElements();
	void	DeleteDrawElements();
	void	UpdateColumns();

	void	GenerateMeasureItem() const;

	BOOL		OnDrawItem(PGPUInt16 ctrlId, LPDRAWITEMSTRUCT pDIS);
	void		OnKeyDown(PGPUInt32 vKey, PGPUInt32 keyData);
	BOOL		OnMeasureItem(PGPUInt16 ctrlId, LPMEASUREITEMSTRUCT pMIS);
	void		OnNcDestroy();
	PGPUInt32	OnNotify(PGPUInt16 ctrlId, LPNMHDR pNMHDR);
	void		OnSysColorChange();
};

_PGP_END

#endif	// ] Included_CPublicKeysView_h