CGridListCtrlEx

一个很好的开源代码，实现了listctrl列表项的 edit、combobox等功能

#include “stdafx.h“
#include “CGridColumnTraitCombo.h“

#include “CGridColumnTraitVisitor.h“
#include “CGridListCtrlEx.h“

//------------------------------------------------------------------------
// CGridColumnTraitCombo
//------------------------------------------------------------------------
CGridColumnTraitCombo::CGridColumnTraitCombo（）
	:m_MaxItems（7）
	m_MaxWidth（200）
	m_ComboBoxstyle（WS_VSCROLL | WS_HSCROLL | CBS_DROPDOWN | CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT）
	m_pComboBox（NULL）
{}

void CGridColumnTraitCombo::Accept（CGridColumnTraitVisitor& visitor）
{
	visitor.Visit（*this）;
}

void CGridColumnTraitCombo::SetMaxItems（int items）
{
	m_MaxItems = items;
}

int CGridColumnTraitCombo::GetMaxItems（） const
{
	return m_MaxItems;
}

void CGridColumnTraitCombo::SetMaxWidth（int width）
{
	m_MaxWidth = width;
}

int CGridColumnTraitCombo::GetMaxWidth（） const
{
	return m_MaxWidth;
}

void CGridColumnTraitCombo::Setstyle（DWORD dwstyle）
{
	m_ComboBoxstyle = dwstyle;
}

DWORD CGridColumnTraitCombo::Getstyle（） const
{
	return m_ComboBoxstyle;
}

CComboBox* CGridColumnTraitCombo::CreateComboBox（CGridListCtrlEx& owner int nRow int nCol const CRect& rect）
{
	CComboBox* pComboBox = new CGridEditorComboBox（nRow nCol m_MaxWidth）;
	VERIFY（ pComboBox->Create（ WS_CHILD | m_ComboBoxstyle rect &owner 0） ）;

	// Configure font
	pComboBox->SetFont（owner.GetCellFont（））;
	return pComboBox;
}

CWnd* CGridColumnTraitCombo::OnEditBegin（CGridListCtrlEx& owner int nRow int nCol）
{
	// Get position of the cell to edit
	CRect rcItem = GetCellEditRect（owner nRow nCol）;
	int requiredHeight = GetCellFontHeight（owner）;

	// Expand the size of the ComboBox according to max-elements
	CRect rcFinalSize = rcItem;
	rcFinalSize.bottom += rcItem.Height（） + requiredHeight * m_MaxItems;

	// Create edit control to edit the cell
	//	- Stores the pointer so elements can be dynamically added later
	m_pComboBox = CreateComboBox（owner nRow nCol rcFinalSize）;
	VERIFY（m_pComboBox!=NULL）;

	// Add all items to list
	if （m_ComboList.GetSize（）>0）
	{
		LoadList（m_ComboList -1）;

		// Guess the currently selected item in the list
		CString item = owner.GetItemText（nRow nCol）;
		int nCurSel = m_pComboBox->FindString（-1 item）;
		if （nCurSel!=-1）
			m_pComboBox->SetCurSel（nCurSel）;
		else
			m_pComboBox->SetWindowText（item）;
	}
	else
	{
		CString item = owner.GetItemText（nRow nCol）;
		m_pComboBox->SetWindowText（item）;
	}

	// Resize combobox according to element count
	VERIFY（ owner.GetCellRect（nRow nCol LVIR_LABEL rcFinalSize） ）;
	rcFinalSize.bottom += rcItem.Height（） + requiredHeight * min（m_MaxItems m_pComboBox->GetCount（） + 1）;
	m_pComboBox->SetWindowPos（NULL		// not relative to any other windows
							0 0		// TopLeft corner doesn‘t change
							rcFinalSize.Width（） rcFinalSize.Height（）   // existing width new height
							SWP_NOMOVE | SWP_NOZORDER	// don‘t move bo

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    .......      2679  2008-09-11 11:05  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTrait.h

    .......      9691  2008-10-21 13:11  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitCombo.cpp

    .......      2773  2008-09-18 10:16  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitCombo.h

    .......      4461  2008-10-21 13:11  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitDateTime.cpp

    .......      1723  2008-09-11 11:05  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitDateTime.h

    .......      3525  2008-10-21 13:11  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitEdit.cpp

    .......      1329  2008-09-11 11:05  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitEdit.h

    .......      4150  2008-10-29 16:39  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitText.cpp

    .......      1036  2008-09-22 10:56  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitText.h

    .......       827  2008-09-11 11:05  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridColumnTraitVisitor.h

    .......     50616  2008-11-07 12:08  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridListCtrlEx.cpp

    .......      7205  2008-11-07 12:08  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridListCtrlEx.h

    .......     22839  2008-11-03 10:37  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridListCtrlGroups.cpp

    .......      2535  2008-09-22 10:56  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridListCtrlGroups.h

    .......       920  2008-09-22 10:56  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridRowTrait.h

    .......      5331  2008-10-29 16:39  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridRowTraitText.cpp

    .......      1092  2008-09-22 10:56  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridRowTraitText.h

    .......       652  2008-09-22 10:56  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridRowTraitVisitor.h

    .......      4009  2008-09-22 10:56  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridRowTraitXP.cpp

    .......       667  2008-09-22 10:56  CGridListCtrlEx_Demo\CGridListCtrlEx\CGridRowTraitXP.h

     文件   22637568  2013-12-31 15:55  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.ncb

    .......      5764  2008-09-11 11:05  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.rc

     文件        890  2013-07-23 15:03  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.sln

     文件        889  2008-10-08 09:50  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.sln.old

    ..A..H.     21504  2013-12-31 15:55  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.suo

     文件       8076  2013-07-23 15:03  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.vcproj

     文件       8012  2008-11-07 12:11  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.vcproj.8.00.old

     文件       1423  2013-12-31 15:55  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.vcproj.Gaofeng-PC.Administrator.user

     文件       1423  2013-08-12 11:26  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlEx.vcproj.GAOFENG-PC.Gaofeng.user

    .......      1968  2008-09-05 17:48  CGridListCtrlEx_Demo\DemoApplication\CGridListCtrlExApp.cpp

............此处省略27个文件信息