editlist.cpp

给公司开发的一个计算客户佣金的软件

// EditList.cpp : implementation file
//

#include "stdafx.h"
#include "commision.h"
#include "EditList.h"
#include "InPlaceEdit.h"
#include "InPlaceList.h"

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

/////////////////////////////////////////////////////////////////////////////
// CEditList

CEditList::CEditList()
{
}

CEditList::~CEditList()
{
}


BEGIN_MESSAGE_MAP(CEditList, CListCtrl)
	//{{AFX_MSG_MAP(CEditList)
	ON_WM_PAINT()
	ON_WM_HSCROLL()
	ON_WM_VSCROLL()
	ON_NOTIFY_REFLECT(LVN_ENDLABELEDIT, OnEndlabeledit)
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEditList message handlers

int CEditList::HitTestEx(CPoint &point, int *col) const
{
	int colnum = 0;
	int row = HitTest( point, NULL );

	if( col ) *col = 0;

	// Make sure that the ListView is in LVS_REPORT
	if( (GetWindowLong(m_hWnd, GWL_STYLE) & LVS_TYPEMASK) != LVS_REPORT )
		return row;
	// Get the top and bottom row visible
	row = GetTopIndex();
	int bottom = row + GetCountPerPage();
	if( bottom > GetItemCount() )
		bottom = GetItemCount();

	// Get the number of columns
	CHeaderCtrl* pHeader = (CHeaderCtrl*)GetDlgItem(0);
	int nColumnCount = pHeader->GetItemCount();

	// Loop through the visible rows
	for( ;row <= bottom;row++)
	{
		// Get bounding rect of item and check whether point falls in it.
		CRect rect;
		GetItemRect( row, &rect, LVIR_BOUNDS );
		if( rect.PtInRect(point) )
		{
			// Now find the column
			for( colnum = 0; colnum < nColumnCount; colnum++ )
			{
				int colwidth = GetColumnWidth(colnum);
				if( point.x >= rect.left 
					&& point.x <= (rect.left + colwidth ) )
				{
					if( col ) *col = colnum;
					return row;
				}
				rect.left += colwidth;
			}
		}
	}
	return -1;
}

void CEditList::OnPaint() 
{
//	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
// First let the control do its default drawing.
	const MSG *msg = GetCurrentMessage();
	DefWindowProc( msg->message, msg->wParam, msg->lParam );

	// Draw the lines only for LVS_REPORT mode
	if( (GetStyle() & LVS_TYPEMASK) == LVS_REPORT )
	{
		// Get the number of columns
		CClientDC dc(this );
		CPen pen(PS_SOLID,1,RGB(160,160,160));
		CPen* oldPen = dc.SelectObject(&pen);

		CHeaderCtrl* pHeader = (CHeaderCtrl*)GetDlgItem(0);
		int nColumnCount = pHeader->GetItemCount();

		// The bottom of the header corresponds to the top of the line 
		RECT rect;
		pHeader->GetClientRect( &rect );
		int top = rect.bottom;

		if( !GetItemRect( 0, &rect, LVIR_BOUNDS ))
			return;

		int height = rect.bottom - rect.top;
		int drawheight = top;
		for(int i = 1; i <= GetItemCount()/*GetCountPerPage()*/; i++ )
		{
			 drawheight += height;
		}

		// Now get the client rect so we know the line length and
		// when to stop
		GetClientRect( &rect );

		// The border of the column is offset by the horz scroll
		int borderx = 0 - GetScrollPos( SB_HORZ );
		for( i = 0; i < nColumnCount; i++ )
		{
			// Get the next border
			borderx += GetColumnWidth( i );

			// if next border is outside client area, break out
			if( borderx >= rect.right ) break;

			// Draw the line.
			dc.MoveTo( borderx-1, top);
			dc.LineTo( borderx-1, drawheight/*rect.bottom*/ );
		}

		// Draw the horizontal grid lines
		// First get the height

//		GetClientRect( &rect );
//		int width = rect.right;
		for( i = 1; i <= GetItemCount()/*GetCountPerPage()*/; i++ )
		{
			dc.MoveTo( 0, top + height*i);
			dc.LineTo( borderx/*width*/, top + height*i );
		}
		dc.SelectObject(oldPen);
	}
	
	// Do not call CListCtrl::OnPaint() for painting messages
}


// EditSubLabel		- Start edit of a sub item label
// Returns		- Temporary pointer to the new edit control
// nItem		- The row index of the item to edit
// nCol			- The column of the sub item.
CEdit* CEditList::EditSubLabel(int nItem, int nCol)
{
	// The returned pointer should not be saved

	// Make sure that the item is visible
	if( !EnsureVisible( nItem, TRUE ) ) return NULL;

	// Make sure that nCol is valid
	CHeaderCtrl* pHeader = (CHeaderCtrl*)GetDlgItem(0);
	int nColumnCount = pHeader->GetItemCount();
	if( nCol >= nColumnCount || GetColumnWidth(nCol) < 5 )
		return NULL;

	// Get the column offset
	int offset = 0;
	for( int i = 0; i < nCol; i++ )
		offset += GetColumnWidth( i );

	CRect rect;
	GetItemRect( nItem, &rect, LVIR_BOUNDS );

	// Now scroll if we need to expose the column
	CRect rcClient;
	GetClientRect( &rcClient );
	if( offset + rect.left < 0 || offset + rect.left > rcClient.right )
	{
		CSize size;
		size.cx = offset + rect.left;
		size.cy = 0;
		Scroll( size );
		rect.left -= size.cx;
	}

	// Get Column alignment
	LV_COLUMN lvcol;
	lvcol.mask = LVCF_FMT;
	GetColumn( nCol, &lvcol );
	DWORD dwStyle ;
	if((lvcol.fmt&LVCFMT_JUSTIFYMASK) == LVCFMT_LEFT)
		dwStyle = ES_LEFT;
	else if((lvcol.fmt&LVCFMT_JUSTIFYMASK) == LVCFMT_RIGHT)
		dwStyle = ES_RIGHT;
	else dwStyle = ES_CENTER;

	rect.left += offset+4;
	rect.right = rect.left + GetColumnWidth( nCol ) - 3 ;
	if( rect.right > rcClient.right) rect.right = rcClient.right;

	dwStyle |= WS_BORDER|WS_CHILD|WS_VISIBLE|ES_AUTOHSCROLL;
	CEdit *pEdit = new CInPlaceEdit(nItem, nCol, GetItemText( nItem, nCol ));
	pEdit->Create( dwStyle, rect, this, IDC_IPEDIT );


	return pEdit;
}

void CEditList::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	if( GetFocus() != this ) SetFocus();
	
	CListCtrl::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CEditList::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	if( GetFocus() != this ) SetFocus();
	
	CListCtrl::OnVScroll(nSBCode, nPos, pScrollBar);
}

void CEditList::OnEndlabeledit(NMHDR* pNMHDR, LRESULT* pResult) 
{
	LV_DISPINFO *plvDispInfo = (LV_DISPINFO *)pNMHDR;
	LV_ITEM	*plvItem = &plvDispInfo->item;

	if (plvItem->pszText != NULL)
	{
		SetItemText(plvItem->iItem, plvItem->iSubItem, plvItem->pszText);
	}
	*pResult = FALSE;
}

void CEditList::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	return;
	int index;
	CListCtrl::OnLButtonDown(nFlags, point);

	int colnum;
	if( ( index = HitTestEx( point, &colnum )) != -1 )
	{
		UINT flag = LVIS_FOCUSED;
		if( (GetItemState( index, flag ) & flag) == flag )
		{
			// Add check for LVS_EDITLABELS
			if(index == 0 && colnum == 0)
//			{
//				if( GetWindowLong(m_hWnd, GWL_STYLE) & LVS_EDITLABELS )
//					EditSubLabel( index, colnum );
//			}
//			else
			{
//				CStringList lstItems;
//				lstItems.AddTail( "First Item");
//				lstItems.AddTail( "Second Item");
//				lstItems.AddTail( "Third Item");
//				lstItems.AddTail( "Fourth Item");
//				lstItems.AddTail( "Fifth Item");
//				lstItems.AddTail( "Sixth Item");
				ShowInPlaceList( index, colnum, m_lstItems, 2 );
			}
		}
		else
			SetItemState( index, LVIS_SELECTED | LVIS_FOCUSED ,
				    	LVIS_SELECTED | LVIS_FOCUSED); 
	}

}

CComboBox* CEditList::ShowInPlaceList(int nItem, int nCol, CStringList &lstItems, int nSel)
{
// The returned pointer should not be saved

	// Make sure that the item is visible
	if( !EnsureVisible( nItem, TRUE ) ) return NULL;

	// Make sure that nCol is valid 
	CHeaderCtrl* pHeader = (CHeaderCtrl*)GetDlgItem(0);
	int nColumnCount = pHeader->GetItemCount();
	if( nCol >= nColumnCount || GetColumnWidth(nCol) < 10 ) 
		return NULL;

	// Get the column offset
	int offset = 0;
	for( int i = 0; i < nCol; i++ )
		offset += GetColumnWidth( i );

	CRect rect;
	GetItemRect( nItem, &rect, LVIR_BOUNDS );

	// Now scroll if we need to expose the column
	CRect rcClient;
	GetClientRect( &rcClient );
	if( offset + rect.left < 0 || offset + rect.left > rcClient.right )
	{
		CSize size;
		size.cx = offset + rect.left;
		size.cy = 0;
		Scroll( size );
		rect.left -= size.cx;
	}

	rect.left += offset+4;
	rect.right = rect.left + GetColumnWidth( nCol ) - 3 ;
	int height = rect.bottom - rect.top;
	rect.bottom += 5 * height;
	if( rect.right > rcClient.right) rect.right = rcClient.right;

	DWORD dwStyle = WS_BORDER|WS_CHILD|WS_VISIBLE|WS_VSCROLL|WS_HSCROLL
					|CBS_DROPDOWNLIST|CBS_DISABLENOSCROLL;
	CComboBox *pList = new CInPlaceList(nItem, nCol, &lstItems, nSel);
	pList->Create( dwStyle, rect, this, IDC_IPEDIT );
	pList->SetItemHeight( -1, height);
	pList->SetHorizontalExtent( GetColumnWidth( nCol ));

	return pList;
}