#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

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2008-11-07?12:15??CGridListCtrlEx\
?????文件????????2679??2008-09-11?11:05??CGridListCtrlEx\CGridColumnTrait.h
?????文件????????9691??2008-10-21?13:11??CGridListCtrlEx\CGridColumnTraitCombo.cpp
?????文件????????2773??2008-09-18?10:16??CGridListCtrlEx\CGridColumnTraitCombo.h
?????文件????????4461??2008-10-21?13:11??CGridListCtrlEx\CGridColumnTraitDateTime.cpp
?????文件????????1723??2008-09-11?11:05??CGridListCtrlEx\CGridColumnTraitDateTime.h
?????文件????????3525??2008-10-21?13:11??CGridListCtrlEx\CGridColumnTraitEdit.cpp
?????文件????????1329??2008-09-11?11:05??CGridListCtrlEx\CGridColumnTraitEdit.h
?????文件????????4150??2008-10-29?16:39??CGridListCtrlEx\CGridColumnTraitText.cpp
?????文件????????1036??2008-09-22?10:56??CGridListCtrlEx\CGridColumnTraitText.h
?????文件?????????827??2008-09-11?11:05??CGridListCtrlEx\CGridColumnTraitVisitor.h
?????文件???????50616??2008-11-07?12:08??CGridListCtrlEx\CGridListCtrlEx.cpp
?????文件????????7205??2008-11-07?12:08??CGridListCtrlEx\CGridListCtrlEx.h
?????文件???????22839??2008-11-03?10:37??CGridListCtrlEx\CGridListCtrlGroups.cpp
?????文件????????2535??2008-09-22?10:56??CGridListCtrlEx\CGridListCtrlGroups.h
?????文件?????????920??2008-09-22?10:56??CGridListCtrlEx\CGridRowTrait.h
?????文件????????5331??2008-10-29?16:39??CGridListCtrlEx\CGridRowTraitText.cpp
?????文件????????1092??2008-09-22?10:56??CGridListCtrlEx\CGridRowTraitText.h
?????文件?????????652??2008-09-22?10:56??CGridListCtrlEx\CGridRowTraitVisitor.h
?????文件????????4009??2008-09-22?10:56??CGridListCtrlEx\CGridRowTraitXP.cpp
?????文件?????????667??2008-09-22?10:56??CGridListCtrlEx\CGridRowTraitXP.h