formitemgroup.h

来自「基于WINDOWS mobile 的用于创建一个窗体和自定义试图的工程」· C头文件 代码 · 共 79 行

// FormItemGroup.h: interface for the CFormItemGroup class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FORMITEMGROUP_H__815058ED_EC2B_4C33_BE62_5C04AD9950BA__INCLUDED_)
#define AFX_FORMITEMGROUP_H__815058ED_EC2B_4C33_BE62_5C04AD9950BA__INCLUDED_

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


#include <vector>

#include "FormItem.h"


//---------------------------------------------------------------------------
//
//	CFormItemGroup
//
//---------------------------------------------------------------------------


class CFormItemGroup : public CFormItem  
{
	typedef std::vector<CFormItem*>	CItemVector;

public:
	CFormItemGroup();
	virtual ~CFormItemGroup();

	BOOL IsExpanded() {return m_bExpanded;}

	void SetExpanded(BOOL bExpanded = TRUE) {m_bExpanded = bExpanded;}

	/// Adds an item to the group. Items do not belong to the group, but to
	/// the containing CFormListCtrl.
	void AddItem(CFormItem* pItem) {m_vecItem.push_back(pItem);}

	virtual BOOL ShowEditor(CFormListCtrl* pForm, BOOL bShow, int iItem, int iSubItem);

	/// Handles the item's custom draw
	virtual LRESULT CustomDraw(CFormListCtrl* pForm, NMLVCUSTOMDRAW *pLVCD);

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

	virtual BOOL ValidateData();

protected:
	BOOL		m_bExpanded;	//!< Expansion state
	CItemVector	m_vecItem;		//!< Dependent item vector

	/// Paints the expand / collapse button
	void PaintButton(HDC hDC, RECT &rc);

	/// Insert the group's children at the given index.
	int InsertChildren(CFormListCtrl* pForm, int iIndex);

	/// Deletes the children from the given index.
	void DeleteChildren(CFormListCtrl* pForm, int iIndex);

	void LineVert(HDC hDC, int x, int y0, int y1)
	{
		POINT	line[2] = {{x, y0}, {x, y1}};

		DRA::Polyline(hDC, line, 2, DRA::PS_DOWNRIGHT);
	}

	void LineHorz(HDC hDC, int x0, int x1, int y)
	{
		POINT	line[2] = {{x0, y},{x1, y}};

		DRA::Polyline(hDC, line, 2, DRA::PS_DOWNRIGHT);
	}
};

#endif // !defined(AFX_FORMITEMGROUP_H__815058ED_EC2B_4C33_BE62_5C04AD9950BA__INCLUDED_)