formitem.h

基于WINDOWS mobile 的用于创建一个窗体和自定义试图的工程

// FormItem.h: interface for the CFormItem class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FORMITEM_H__81D6EB6D_31D0_4B32_9BD0_03472FC205F2__INCLUDED_)
#define AFX_FORMITEM_H__81D6EB6D_31D0_4B32_9BD0_03472FC205F2__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


class CFormListCtrl;


#define IDC_FORM_ITEM	1201

//
// Form item flags
//
#define	FIF_LINE			0x00000001		// Draw a line at the bottom
#define FIF_VISIBLE			0x00000002		// Item is visible
#define FIF_ENABLED			0x00000004		// Item is enabled
#define FIF_MANDATORY		0x00000008		// Data for the item must be filled in by the user
#define FIF_UNDERLINE		0x00000010		// Underline the caption text
#define FIF_HASOPTIONS		0x00000020		// The item has a context menu (on the caption)
#define FIF_DRAWOPTIONS		0x00000040		// Internal flag
#define FIF_SELECTED		0x00000080		// The item is selected

#define FIF_NORMAL		(FIF_LINE|FIF_VISIBLE|FIF_ENABLED)


//---------------------------------------------------------------------------
//
//	CFormItem
//
//---------------------------------------------------------------------------


class CFormItem  
{
public:
	CFormItem();
	virtual ~CFormItem();

	/// Initializes the form item.
	void Init(LPCTSTR pszCaption, DWORD dwFlags = FIF_NORMAL)
	{
		SetCaption(pszCaption);
		SetFlags(dwFlags);
	}

	/// Sets the for item caption.
	void SetCaption(LPCTSTR pszCaption) { m_strCaption = pszCaption; }

	/// Sets the item's flags.
	void SetFlags(DWORD dwFlags) { m_dwFlags = dwFlags; }

	/// Returns the field's flags
	DWORD GetFlags() { return m_dwFlags; }

	/// Returns the visibility status of the item.
	bool IsVisible() { return (m_dwFlags & FIF_VISIBLE) == FIF_VISIBLE; }

	/// Returns the selection status of the item.
	bool IsSelected() { return (m_dwFlags & FIF_SELECTED) == FIF_SELECTED; }

	/// Shows or hides the item.
	void Show(BOOL bShow = TRUE);

	/// Returns the enabled status of an item.
	bool IsEnabled() { return (m_dwFlags & FIF_ENABLED) == FIF_ENABLED; }

	/// Enables or disables an item.
	void Enable(BOOL bEnable = TRUE);

	/// Enables or disables the drawing of active option's button
	void DrawOptions(BOOL bEnable = TRUE);

	bool IsMandatory()	{ return (m_dwFlags & FIF_MANDATORY) == FIF_MANDATORY;	}
	bool IsUnderlined() { return (m_dwFlags & FIF_UNDERLINE) == FIF_UNDERLINE;	}
	bool HasOptions()	{ return (m_dwFlags & FIF_HASOPTIONS) == FIF_HASOPTIONS;	}

	//
	// Virtual methods
	//
	virtual LPCTSTR RenderData	(LV_DISPINFO *pDispInfo);
	virtual LRESULT CustomDraw	(CFormListCtrl* pForm, NMLVCUSTOMDRAW *pLVCD);
	virtual BOOL	ShowEditor	(CFormListCtrl* pForm, BOOL bShow, int iItem, int iSubItem);
	virtual BOOL	Select		(CFormListCtrl* pForm, BOOL bSelect, int iItem);

	virtual BOOL ValidateData();

	virtual BOOL OnCtrlNotify(CFormListCtrl* pForm, int iItem, WORD wNotify);
	virtual BOOL OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo);
	
	virtual void MoveEditor(const RECT &rcItem);

	virtual int InsertOn(CFormListCtrl* pForm, int iItem = -1);

	virtual void GetControlData();

protected:
	CString		m_strCaption;	//!< Item caption
	DWORD		m_dwFlags;		//!< Flags

	//
	// Drawing helpers
	//
	void	DrawCaption(CFormListCtrl* pForm, NMLVCUSTOMDRAW *pLVCD);
	void	DrawContent(CFormListCtrl* pForm, NMLVCUSTOMDRAW *pLVCD);

	/// Draws the bottom line
	void DrawBottomLine(NMLVCUSTOMDRAW* pLVCD);

	void DrawArrow(HDC hDC, const CRect &rc, BOOL bSelected);

	/// Draws the focus rectangle around the item.
	void	DrawFocus(HDC hDC, RECT* prc);
};


#endif // !defined(AFX_FORMITEM_H__81D6EB6D_31D0_4B32_9BD0_03472FC205F2__INCLUDED_)