📄 ex_studentview.cpp
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// Ex_StudentView.cpp : implementation of the CEx_StudentView class
//
#include "stdafx.h"
#include "Ex_Student.h"
#include "Ex_StudentDoc.h"
#include "Ex_StudentView.h"
#include "StuInfoDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CEx_StudentView
IMPLEMENT_DYNCREATE(CEx_StudentView, CListView)
BEGIN_MESSAGE_MAP(CEx_StudentView, CListView)
//{{AFX_MSG_MAP(CEx_StudentView)
ON_COMMAND(ID_STUINFO_ADD, OnStuinfoAdd)
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CListView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CListView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CListView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEx_StudentView construction/destruction
CEx_StudentView::CEx_StudentView()
{
// TODO: add construction code here
memset(&m_pageInfo, 0, sizeof(m_pageInfo)); // 所有成员置为0
double fontScale = 254.0/72.0; // 一个点相当于多少0.1mm
// 页眉字体
m_pageInfo.lfHead.lfHeight = - (int)(9 * fontScale + 0.5); // 9号字
m_pageInfo.lfHead.lfWeight = FW_BOLD;
m_pageInfo.lfHead.lfCharSet = GB2312_CHARSET;
strcpy((LPSTR)&(m_pageInfo.lfHead.lfFaceName), "黑体");
// 页脚字体
m_pageInfo.lfFoot.lfHeight = - (int)(9 * fontScale + 0.5); // 9号字
m_pageInfo.lfFoot.lfWeight = FW_NORMAL;
m_pageInfo.lfFoot.lfCharSet = GB2312_CHARSET;
strcpy((LPSTR)&(m_pageInfo.lfFoot.lfFaceName), "楷体_GB2312");
// 正文字体
m_pageInfo.lfText.lfHeight = - (int)(11 * fontScale + 0.5); // 11号字
m_pageInfo.lfText.lfWeight = FW_NORMAL;
m_pageInfo.lfText.lfCharSet = GB2312_CHARSET;
strcpy((LPSTR)&(m_pageInfo.lfText.lfFaceName), "宋体");
}
CEx_StudentView::~CEx_StudentView()
{
}
BOOL CEx_StudentView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
cs.style |= LVS_REPORT; // 报表风格
return CListView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CEx_StudentView drawing
void CEx_StudentView::OnDraw(CDC* pDC)
{
CEx_StudentDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
}
void CEx_StudentView::OnInitialUpdate()
{
CListView::OnInitialUpdate();
// TODO: You may populate your ListView with items by directly accessing
// its list control through a call to GetListCtrl().
CListCtrl& m_ListCtrl = GetListCtrl();
CString strHeader[]={"学号","姓名", "性别", "出生年月", "所学专业"};
int nLong[] = {80, 80, 60, 100, 180};
for (int nCol=0; nCol<sizeof(strHeader)/sizeof(CString); nCol++)
m_ListCtrl.InsertColumn(nCol,strHeader[nCol],LVCFMT_LEFT,nLong[nCol]);
}
/////////////////////////////////////////////////////////////////////////////
// CEx_StudentView printing
BOOL CEx_StudentView::OnPreparePrinting(CPrintInfo* pInfo)
{
ReadListViewData();
int nSize =m_strContents.GetSize();
if (nSize<1) pInfo->SetMaxPage(1);
return DoPreparePrinting(pInfo);
}
void CEx_StudentView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CEx_StudentView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CEx_StudentView diagnostics
#ifdef _DEBUG
void CEx_StudentView::AssertValid() const
{
CListView::AssertValid();
}
void CEx_StudentView::Dump(CDumpContext& dc) const
{
CListView::Dump(dc);
}
CEx_StudentDoc* CEx_StudentView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx_StudentDoc)));
return (CEx_StudentDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CEx_StudentView message handlers
void CEx_StudentView::OnStuinfoAdd()
{
CStuInfoDlg dlg;
if (dlg.DoModal() != IDOK) return;
// 在这里复制照片文件
CString strFileTO;
strFileTO.Format("c://%s.bmp", dlg.m_strNo);
if (!dlg.m_strPhotoFilePath.IsEmpty())
DoCopyFile(strFileTO, dlg.m_strPhotoFilePath);
// 添加列表项
CListCtrl& m_ListCtrl = GetListCtrl();
int nItem = m_ListCtrl.GetItemCount();
CString strSex("女");
if (dlg.m_bMale) strSex = "男";
m_ListCtrl.InsertItem( nItem, dlg.m_strNo );
m_ListCtrl.SetItemText( nItem, 1, dlg.m_strName );
m_ListCtrl.SetItemText( nItem, 2, strSex );
m_ListCtrl.SetItemText( nItem, 3, dlg.m_tBirth.Format("%Y-%m-%d") );
m_ListCtrl.SetItemText( nItem, 4, dlg.m_strSpecial);
}
void CEx_StudentView::DoCopyFile(CString strFileTo, CString strFileFrom)
{
CFile fileFrom, fileTo;
if (!fileFrom.Open( strFileFrom, CFile::modeRead))
{
AfxMessageBox("源文件无法打开，复制失败！");
return;
}
fileTo.Open( strFileTo, CFile::modeCreate | CFile::modeWrite );
BYTE buffer[4096];
DWORD dwRead;
do{
dwRead = fileFrom.Read(buffer, 4096);
fileTo.Write(buffer, dwRead);
} while (dwRead > 0);
fileFrom.Close();
fileTo.Close();
}
void CEx_StudentView::ReadListViewData()
{
m_strContents.RemoveAll();
CListCtrl& m_ListCtrl = GetListCtrl();
int nCount = 0;
CHeaderCtrl* pHeaderCtrl = m_ListCtrl.GetHeaderCtrl();
if ( pHeaderCtrl!= NULL) nCount = pHeaderCtrl->GetItemCount();
// 读取表头信息作为第一行
LVCOLUMN column;
TCHAR lpBuffer[256];
int nWidthCharNum[100];
CString str, strTemp;
for (int nCol = 0; nCol < nCount; nCol++) {
column.mask = LVCF_TEXT;
column.pszText = lpBuffer;
column.cchTextMax = 256;
m_ListCtrl.GetColumn( nCol, &column );
nWidthCharNum[nCol] = (int)(m_ListCtrl.GetColumnWidth( nCol )/6.5);
strTemp.Format("%s", lpBuffer);
strTemp.TrimRight();
int nDelta = nWidthCharNum[nCol] - strTemp.GetLength();
if (nDelta>0) strTemp = AppendStringSpace( strTemp, nDelta);
else strTemp = strTemp.Left(nWidthCharNum[nCol]);
str = str + strTemp;
}
str.TrimRight();
m_strContents.Add( str );
// 读取各个列表项信息
int nItemCount = m_ListCtrl.GetItemCount();
for ( int nItem=0; nItem<nItemCount; nItem++) {
str.Empty();
strTemp.Empty();
for (int i=0; i<nCount; i++ ) {
strTemp = m_ListCtrl.GetItemText(nItem, i);
strTemp.TrimRight();
int nDelta = nWidthCharNum[i] - strTemp.GetLength();
if (nDelta>0) strTemp = AppendStringSpace( strTemp, nDelta);
else strTemp = strTemp.Left(nWidthCharNum[i]);
str = str + strTemp;
}
str.TrimRight();
m_strContents.Add( str );
}
}
CString CEx_StudentView::AppendStringSpace(CString str, int nNum)
{
for (int i=0; i<nNum; i++)
str.Insert( 500, ' ');
// 通常500是大于一个字符串长度的，当大于字符串长度，则
// Insert在字符串末尾添加
return str;
}
void CEx_StudentView::SetPageInfo(CDC *pDC, CPrintInfo *pInfo, PAGEINFO *pPage, int l, int t, int r, int b, int nLineSpace)
{
// nLineSpace为行间距，l,t,r,b分别表示左上右下的页边距
// 计算一个设备单位等于多少0.1mm
double scaleX = 254.0/(double)GetDeviceCaps(pDC->m_hAttribDC, LOGPIXELSX);
double scaleY = 254.0/(double)GetDeviceCaps(pDC->m_hAttribDC, LOGPIXELSY);
int x = GetDeviceCaps(pDC->m_hAttribDC, PHYSICALOFFSETX);
int y = GetDeviceCaps(pDC->m_hAttribDC, PHYSICALOFFSETY);
int w = GetDeviceCaps(pDC->m_hAttribDC, PHYSICALWIDTH);
int h = GetDeviceCaps(pDC->m_hAttribDC, PHYSICALHEIGHT);
int nPageWidth = (int)((double)w*scaleX + 0.5); // 纸宽，单位0.1mm
int nPageHeight = (int)((double)h*scaleY + 0.5); // 纸高，单位0.1mm
int nPhyLeft = (int)((double)x*scaleX + 0.5); // 物理左边距，单位0.1mm
int nPhyTop = (int)((double)y*scaleY + 0.5); // 物理上边距，单位0.1mm
CRect rcTemp = pInfo->m_rectDraw;
rcTemp.NormalizeRect();
int nPhyRight = nPageWidth - rcTemp.Width() - nPhyLeft; // 物理右边距，单位0.1mm
int nPhyBottom = nPageHeight - rcTemp.Height() - nPhyTop; // 物理下边距，单位0.1mm
// 若边距小于物理边距，则调整它们
if (l < nPhyLeft) l = nPhyLeft;
if (t < nPhyTop) t = nPhyTop;
if (r < nPhyRight) r = nPhyRight;
if (b < nPhyBottom) b = nPhyBottom;
pPage->nLMargin = l;
pPage->nRMargin = r;
pPage->nTMargin = t;
pPage->nBMargin = b;
pPage->nPhyLeft = nPhyLeft;
pPage->nPhyRight = nPhyRight;
pPage->nPhyTop = nPhyTop;
pPage->nPhyBottom = nPhyBottom;
pPage->sizePage = CSize(nPageWidth, nPageHeight);
// 计算并调整pInfo->m_rectDraw的大小
pInfo->m_rectDraw.left = l - nPhyLeft;
pInfo->m_rectDraw.top = - t + nPhyTop;
pInfo->m_rectDraw.right -= r - nPhyRight;
pInfo->m_rectDraw.bottom += b - nPhyBottom;
// 计算字符的大小
pPage->sizeChar = pDC->GetTextExtent("G");
// 计算行的大小
pPage->sizeLine = CSize(pInfo->m_rectDraw.Width(), pPage->sizeChar.cy + nLineSpace);
}
void CEx_StudentView::PrintHead(CDC *pDC, CPrintInfo *pInfo, PAGEINFO page, CString title, int margin, int mode)
{
// mode表示页眉文本对齐模式，0为居中，>0表示右对齐，<0表示左对齐
// title表示页眉内容， margin为页眉与顶边的距离
CFont font;
font.CreateFontIndirect(&page.lfHead);
CFont* oldFont = pDC->SelectObject(&font);
CSize strSize = pDC->GetTextExtent(title);
CRect rc = pInfo->m_rectDraw;
CPoint pt;
margin = margin - page.nPhyTop;
if (margin<0) margin = 0;
// 根据mode计算绘制页眉文本的起点
if (mode < 0) pt = CPoint(rc.left, -margin);
if (mode == 0) pt = CPoint(rc.CenterPoint().x - strSize.cx/2, -margin);
if (mode > 0) pt = CPoint(rc.right - strSize.cx, -margin);
pDC->TextOut(pt.x, pt.y, title); // 绘制页眉文本
pt.y -= strSize.cy + 5;
pDC->MoveTo(rc.left, pt.y); // 画线
pDC->LineTo(rc.right, pt.y);
pt.y -= 10;
int absY = pt.y>0 ? pt.y : -pt.y;
if (absY > page.nTMargin) pInfo->m_rectDraw.top = pt.y;
pDC->SelectObject(oldFont);
font.DeleteObject();
}
void CEx_StudentView::PrintFoot(CDC *pDC, CPrintInfo *pInfo, PAGEINFO page, CString title, int margin, int mode)
{
// mode表示页脚文本对齐模式，0为居中，>0表示右对齐，<0表示左对齐
// title表示页脚内容， margin为页脚与底边的距离
CFont font;
font.CreateFontIndirect(&page.lfFoot);
CFont* oldFont = pDC->SelectObject(&font);
CSize strSize = pDC->GetTextExtent(title);
CRect rc = pInfo->m_rectDraw;
CPoint pt;
margin = page.nBMargin - margin - strSize.cy;
// 根据mode计算绘制页眉文本的起点
if (mode < 0) pt = CPoint(rc.left, rc.bottom - margin);
if (mode == 0) pt = CPoint(rc.CenterPoint().x - strSize.cx/2, rc.bottom - margin);
if (mode > 0) pt = CPoint(rc.right - strSize.cx, rc.bottom - margin);
pDC->TextOut(pt.x, pt.y, title); // 绘制页脚文本
if (margin < 0)
pInfo->m_rectDraw.bottom -= margin;
pDC->SelectObject(oldFont);
}
void CEx_StudentView::AdjustAllLine(CDC *pDC)
{
int nLineNums = m_strContents.GetSize(); // 文档总行数
int tab = m_pageInfo.sizeChar.cx * 4; // 为一个TAB设置4个字符
// 将文档的每一行作换行处理，只处理一次，以提高预览速度
// 处理的结果保存在arrText中
CString str;
m_arrText.RemoveAll();
CSize strSize;
for (int i=0; i<nLineNums; i++)
{
str = m_strContents.GetAt(i);
strSize = pDC->GetTabbedTextExtent(str, 1, &tab);
CString strTemp = str;
while ( strSize.cx > m_pageInfo.sizeLine.cx) {
unsigned int pos = 0;
for (pos = 0; pos<strlen(strTemp); pos++) {
CSize size = pDC->GetTabbedTextExtent(strTemp, pos+1, 1, &tab);
if (size.cx >= m_pageInfo.sizeLine.cx) break;
}
// 判断汉字双字符是否被分开
int nCharHZ = 0;
for (unsigned int chIndex = 0; chIndex <= pos; chIndex++)
if (strTemp.GetAt(chIndex) < 0) nCharHZ++;
if (nCharHZ % 2) pos = pos - 1;
m_arrText.Add(strTemp.Left(pos+1));
strTemp = strTemp.Mid(pos+1);
strSize = pDC->GetTabbedTextExtent(strTemp, 1, &tab);
}
m_arrText.Add(strTemp);
}
m_nLineArray.RemoveAll();
m_nLineArray.Add(0);
}
void CEx_StudentView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
ReadListViewData();
pDC->SetMapMode(MM_LOMETRIC); // 单位0.1mm
CListView::OnPrepareDC(pDC, pInfo);
int nSize = m_strContents.GetSize();
if ((pInfo)&&(nSize)){
if (pInfo->m_nCurPage<= pInfo->GetToPage())
pInfo-> m_bContinuePrinting = TRUE;
else
pInfo-> m_bContinuePrinting = FALSE;
}
}
void CEx_StudentView::OnPrint(CDC* pDC, CPrintInfo* pInfo)
{
CFont font;
font.CreateFontIndirect(&m_pageInfo.lfText);
CFont* oldFont = pDC->SelectObject(&font); // 设置正文字体
SetPageInfo(pDC, pInfo, &m_pageInfo, 250, 250, 250, 250, 35); // 设置页边距和行距
PrintHead(pDC, pInfo, m_pageInfo, "学生信息管理系统，设计者：丁有和", 200, -1); // 打印页眉
CString str;
str.Format("- %d -", pInfo->m_nCurPage);
PrintFoot(pDC, pInfo, m_pageInfo, str, 200, 0); // 打印页脚
if (m_strContents.GetSize() < 1) return; // 没有文档内容则返回
AdjustAllLine(pDC); // 调整每行的文本
int nIndex = pInfo->m_nCurPage - 1;
int nStartLine = m_nLineArray.GetAt(nIndex);
CRect rc = pInfo->m_rectDraw;
int y = rc.top;
int nHeight = m_pageInfo.sizeLine.cy;
int tab = m_pageInfo.sizeChar.cx * 4; // 为一个TAB设置4个字符
while (y >= pInfo->m_rectDraw.bottom)
{
str = m_arrText.GetAt(nStartLine);
rc.top = y;
pDC->TabbedTextOut(rc.left, y, str, 1, &tab, rc.left);
nStartLine++;
if (nStartLine >= m_arrText.GetSize())
{
pInfo->SetMaxPage(pInfo->m_nCurPage);
pInfo->m_pPD->m_pd.nToPage = pInfo->m_nCurPage;
break;
}
y -= nHeight;
}
if (nIndex >= (m_nLineArray.GetSize() - 1))
m_nLineArray.Add(nStartLine); // 保存下一页的起始行号
pDC->SelectObject(oldFont);
CListView::OnPrint(pDC, pInfo);
}
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