combolistctrl.cpp

一个长度信息管理系统。主要包含了界面编程和对文件操作。

#include "stdafx.h"
#include "..\Resource.h"
#include "..\comboxlist\ComboListCtrl.h"
#include "InPlaceCombo.h"
#include "InPlaceEdit.h"
//#include "..\Data.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//#defines
#define FIRST_COLUMN				0
#define MIN_COLUMN_WIDTH			10
#define MAX_DROP_DOWN_ITEM_COUNT	10

/////////////////////////////////////////////////////////////////////////////
// CComboListCtrl

CComboListCtrl::CComboListCtrl()
{
	m_iColumnCounts = 0;
	m_ComboSupportColumnsList.RemoveAll();
	m_ReadOnlyColumnsList.RemoveAll();
	m_strValidEditCtrlChars.Empty();
	m_dwEditCtrlStyle = ES_AUTOHSCROLL | ES_AUTOVSCROLL | ES_LEFT | ES_NOHIDESEL;
	m_dwDropDownCtrlStyle = WS_BORDER | WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL | ES_AUTOVSCROLL | 
							CBS_DROPDOWNLIST | CBS_DISABLENOSCROLL;

	for ( int i = 0; i < MAX_LISTCTRL_LINES; i++)
	{
		CheckArray[i][0] = 0;
	}
}

CComboListCtrl::~CComboListCtrl()
{
	CInPlaceCombo::DeleteInstance();
	CInPlaceEdit::DeleteInstance();  
}


BEGIN_MESSAGE_MAP(CComboListCtrl, CListCtrl)
	//{{AFX_MSG_MAP(CComboListCtrl)
	ON_WM_HSCROLL()
	ON_WM_VSCROLL()
	ON_WM_LBUTTONDOWN()
	ON_WM_RBUTTONDOWN()
	ON_NOTIFY_REFLECT(LVN_ENDLABELEDIT, OnEndLabelEdit)
	ON_NOTIFY_REFLECT(LVN_BEGINLABELEDIT, OnBeginLabelEdit)
	ON_WM_MEASUREITEM_REFLECT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CComboListCtrl message handlers
void CComboListCtrl::MeasureItem ( LPMEASUREITEMSTRUCT lpMeasureItemStruct )
{
	lpMeasureItemStruct->itemHeight = 15;
}

void CComboListCtrl::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
	if (lpDrawItemStruct->CtlType != ODT_LISTVIEW)
        return;
	CRect rect1 = lpDrawItemStruct->rcItem;
	//*///
	//如果需要整个要画
	if(lpDrawItemStruct->itemAction == ODA_DRAWENTIRE)
	{
		HDC		hdc = lpDrawItemStruct->hDC;
		CDC	*	pdc	= CDC::FromHandle(hdc);
		
	//	::SetBkColor(hdc, ::GetSysColor(isSelected ? COLOR_HIGHLIGHT : COLOR_WINDOW));
		
		BOOL	isSelected	= lpDrawItemStruct->itemState & ODS_SELECTED;
		
		CBrush* pBrush = new CBrush;
		pBrush->CreateSolidBrush((lpDrawItemStruct->itemState&ODS_SELECTED)?
			RGB(0,255,255):(::GetSysColor(COLOR_WINDOW)));
		pdc->FillRect(&lpDrawItemStruct->rcItem,pBrush);
		delete pBrush;
		
		if (lpDrawItemStruct->itemState&ODS_SELECTED)
		{
			pdc->DrawFocusRect(rect1);
		} //*///
		
		int nCount = GetHeaderCtrl()->GetItemCount();	//得到子项数
		
		CString strSubText;
		
		CRect rectEntity;
		CRect rectColumn;
		int iIndexRow = lpDrawItemStruct->itemID;
		int iWidthColumn =  GetColumnWidth(0);
		
		rectEntity = lpDrawItemStruct->rcItem;
		
		rectColumn.left = rectEntity.left;
		rectColumn.top = rectEntity.top;
		rectColumn.bottom = rectEntity.bottom;
		rectColumn.right = rectColumn.left + iWidthColumn;		//初始化第一列矩形
		
		CRect rectFirstCol = rectColumn;				//第一列的矩形框
		
		
		CRect rectCheck;
		int m_iCheck;
		//调整checkbox的大小
		rectCheck.CopyRect(&rectFirstCol);
		rectCheck.right = rectCheck.left + 15;
		
		m_iCheck = CheckArray[iIndexRow][0];			
		if (m_iCheck == 2)		//将要确定选择的
			::DrawFrameControl(hdc, &rectCheck,
			DFC_BUTTON, DFCS_FLAT | DFCS_BUTTONCHECK | DFCS_CHECKED);
		else if (m_iCheck == 0)		//还没有选择的
			::DrawFrameControl(hdc, &rectCheck,
			DFC_BUTTON, DFCS_FLAT | DFCS_BUTTONCHECK);
		else						//已经确认选择了的
		{
			CBrush brush(RGB(125,125,125));
			pdc->FillRect(&rectCheck, &brush);
		}
			
	
		CString strColorValve;			//界面上的颜色值
		strColorValve = GetItemText(iIndexRow, 1);
		
		int iFirstWidth = GetColumnWidth(0);			//第一列的宽度
		
		CRect rectText;			//第一列文字所在的矩形
		rectText.CopyRect(&rectFirstCol);
		rectText.left = rectCheck.right + 1;
		CString strText;
		strText = GetItemText(iIndexRow, 0);
		//画出第一列的文字
		::ExtTextOut(hdc, rectText.left, rectText.top, ETO_CLIPPED, &rectText,
			strText, strText.GetLength(), NULL);
		

		
		for (int i = 0; i < nCount; i++)
		{
			
			//第2列的矩形
			iWidthColumn = GetColumnWidth(i);
			rectColumn.left = rectColumn.left + iWidthColumn;
			rectColumn.right = rectColumn.left + GetColumnWidth(i + 1);
			
			strText = GetItemText(iIndexRow ,i + 1);
			::ExtTextOut(hdc, rectColumn.left + 1, rectColumn.top, ETO_CLIPPED, &rectColumn,
				strText, strText.GetLength(), NULL);
		}
		
	}
}


CInPlaceCombo* CComboListCtrl::ShowInPlaceList(int iRowIndex, int iColumnIndex, CStringList& rComboItemsList, 
											   CString strCurSelecetion /*= ""*/, int iSel /*= -1*/)
{
	// The returned obPointer should not be saved
	
	// Make sure that the item is visible
	if (!EnsureVisible(iRowIndex, TRUE))
	{
		return NULL;
	}

	// Make sure that iColumnIndex is valid 
	CHeaderCtrl* pHeader = static_cast<CHeaderCtrl*> (GetDlgItem(FIRST_COLUMN));

	int iColumnCount = pHeader->GetItemCount();

	if (iColumnIndex >= iColumnCount || GetColumnWidth(iColumnIndex) < MIN_COLUMN_WIDTH) 
	{
		return NULL;
	}

	// Calculate the rectangle specifications for the combo box
	CRect obCellRect(0, 0, 0, 0);
	CalculateCellRect(iColumnIndex, iRowIndex, obCellRect);

	int iHeight = obCellRect.Height();  
	int iCount = (int )rComboItemsList.GetCount();

	iCount = (iCount < MAX_DROP_DOWN_ITEM_COUNT) ? 
		iCount + MAX_DROP_DOWN_ITEM_COUNT : (MAX_DROP_DOWN_ITEM_COUNT + 1); 

	obCellRect.bottom += iHeight * iCount; 

	// Create the in place combobox
	CInPlaceCombo* pInPlaceCombo = CInPlaceCombo::GetInstance();
	//uiResourceID = 0;
	pInPlaceCombo->ShowComboCtrl(m_dwDropDownCtrlStyle, obCellRect, this, 0, iRowIndex, iColumnIndex, &rComboItemsList, 
								 strCurSelecetion, iSel);
	
	return pInPlaceCombo;
}

CInPlaceEdit* CComboListCtrl::ShowInPlaceEdit(int iRowIndex, int iColumnIndex, CString& rstrCurSelection)
{
	// Create an in-place edit control
	CInPlaceEdit* pInPlaceEdit = CInPlaceEdit::GetInstance();
		
	CRect obCellRect(0, 0, 0, 0);
	CalculateCellRect(iColumnIndex, iRowIndex, obCellRect);
			
	pInPlaceEdit->ShowEditCtrl(m_dwEditCtrlStyle, obCellRect, this, 0, 
							   iRowIndex, iColumnIndex,
							   m_strValidEditCtrlChars, rstrCurSelection);

	return pInPlaceEdit;
}

void CComboListCtrl::OnHScroll(UINT iSBCode, UINT iPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default

	if (GetFocus() != this)
	{
		SetFocus();
	}

	this->Invalidate();

	CListCtrl::OnHScroll(iSBCode, iPos, pScrollBar);
}

void CComboListCtrl::OnVScroll(UINT iSBCode, UINT iPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default

	if (GetFocus() != this)
	{
		SetFocus();
	}

	CListCtrl::OnVScroll(iSBCode, iPos, pScrollBar);
}

void CComboListCtrl::SetCheck(int row ,int col,int check)
{
	CheckArray[row][col] =check;
}

int CComboListCtrl::GetCheck(int row,int col)
{
	return CheckArray[row][col];
	
}
void CComboListCtrl::OnLButtonDown(UINT iFlags, CPoint obPoint) 
{
	// TODO: Add your message handler code here and/or call default

	int iColumnIndex = -1;
	int iRowIndex = -1;

	// Get the current column and row
	if (!HitTestEx(obPoint, &iRowIndex, &iColumnIndex))
	{
		return;
	}

	CListCtrl::OnLButtonDown(iFlags, obPoint);
	
	// If column is not read only then
	// If the SHIFT or CTRL key is down call the base class
	// Check the high bit of GetKeyState to determine whether SHIFT or CTRL key is down
	if ((GetKeyState(VK_SHIFT) & 0x80) || (GetKeyState(VK_CONTROL) & 0x80))
	{
		return;
	}

	// Get the current selection before creating the in place combo box
	CString strCurSelection = GetItemText(iRowIndex, iColumnIndex);
	
	if (-1 != iRowIndex)
	{
		UINT flag = LVIS_FOCUSED;
		
		if ((GetItemState(iRowIndex, flag ) & flag) == flag)
		{
			// Add check for LVS_EDITLABELS
			if (GetWindowLong(m_hWnd, GWL_STYLE) & LVS_EDITLABELS)
			{
				// If combo box is supported
				// Create and show the in place combo box
				if (IsCombo(iColumnIndex))
				{
					CStringList obComboItemsList;
										
					GetParent()->SendMessage(WM_SET_ITEMS, (WPARAM)iColumnIndex, (LPARAM)&obComboItemsList);  
					
					CInPlaceCombo* pInPlaceComboBox = ShowInPlaceList(iRowIndex, iColumnIndex, obComboItemsList, strCurSelection);
					ASSERT(pInPlaceComboBox); 
					
					// Set the selection to previous selection
					pInPlaceComboBox->SelectString(-1, strCurSelection);
				}