?? coursedlg.cpp
字號:
// CourseDlg.cpp : implementation file
//
#include "stdafx.h"
#include "ExMIS.h"
#include "CourseDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CCourseDlg dialog
//狀態欄,字符串
static UINT indicators[] =
{
IDS_STATUS_DATA, //添加的自定義自符串
ID_SEPARATOR, // status line indicator
ID_INDICATOR_CAPS,
ID_INDICATOR_NUM,
ID_INDICATOR_SCRL,
IDS_STATUS_SPACE, //加空格
};
CCourseDlg::CCourseDlg(CWnd* pParent /*=NULL*/)
: CDialog(CCourseDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CCourseDlg)
m_strTeacher = _T("");
m_strName = _T("");
m_strID = _T("");
m_strType = _T("");
m_strCollege = _T("");
m_strCredit = _T("");
m_strHours = _T("");
//}}AFX_DATA_INIT
//為樹指定圖標
m_TreeBootImage.Create (IDB_BITMAP_TREE,20,1,ILC_COLOR32);
}
void CCourseDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CCourseDlg)
DDX_Control(pDX, IDC_COMBO_COLLEGE, m_ctrlCollege);
DDX_Control(pDX, IDC_LIST, m_ctrlList);
DDX_Control(pDX, IDC_TREE, m_ctrlTree);
DDX_Text(pDX, IDC_EDIT_TEACHER, m_strTeacher);
DDX_Text(pDX, IDC_EDIT_NAME, m_strName);
DDX_Text(pDX, IDC_EDIT_ID, m_strID);
DDX_CBString(pDX, IDC_COMBO_TYPE, m_strType);
DDX_CBString(pDX, IDC_COMBO_COLLEGE, m_strCollege);
DDX_Text(pDX, IDC_EDIT_CREDIT, m_strCredit);
DDX_Text(pDX, IDC_EDIT_HOURS, m_strHours);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CCourseDlg, CDialog)
//{{AFX_MSG_MAP(CCourseDlg)
ON_COMMAND(ID_ITEM_ADD, OnItemAdd)
ON_BN_CLICKED(ID_ITEM_DELETE, OnItemDelete)
ON_BN_CLICKED(ID_ITEM_EDIT, OnItemEdit)
ON_COMMAND(ID_ITEM_QUIT, OnItemQuit)
ON_COMMAND(ID_ITEM_HELP, OnItemHelp)
ON_COMMAND(ID_ITEM_REFRESH, OnItemRefresh)
ON_BN_CLICKED(ID_ITEM_SAVE, OnItemSave)
ON_BN_CLICKED(ID_ITEM_SEARCH, OnItemSearch)
ON_NOTIFY(TVN_SELCHANGED, IDC_TREE, OnSelchangedTree)
ON_NOTIFY(LVN_COLUMNCLICK, IDC_LIST, OnColumnclickList)
ON_NOTIFY(NM_CLICK, IDC_LIST, OnClickList)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCourseDlg message handlers
BOOL CCourseDlg::OnInitDialog()
{
CDialog::OnInitDialog();
//添加工具欄和狀態欄
CRect rect;
GetClientRect(rect);
m_wndToolBar.Create(this);
m_wndToolBar.LoadToolBar(IDR_MENU_DATA);
m_wndStatusBar.Create(this);
m_wndStatusBar.SetIndicators(indicators,sizeof(indicators)/sizeof(UINT));
m_wndStatusBar.SetPaneStyle(2,SBPS_STRETCH);
m_wndToolBar.MoveWindow(0,0,rect.right,48);
m_wndStatusBar.MoveWindow(0,rect.bottom-20,rect.right,20);
//初始化樹形控件,設置圖標
m_ctrlTree.SetImageList(&m_TreeBootImage,TVSIL_NORMAL);
//設置列表控件的樣式
m_ctrlList.ModifyStyle(0,LVS_REPORT|LVS_SHOWSELALWAYS|LVS_SINGLESEL);
m_ctrlList.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES|LVS_EX_HEADERDRAGDROP);
//打開院系數據集,提趣學生表的所有信息
m_pRS.ADOOpen();
//調用刷新記錄
OnItemRefresh();
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
void CCourseDlg::OnItemRefresh()
{
//添加課程到列表中,暫存SQL語句,供排序使用
m_strSQL="SELECT * FROM CourseTab";
m_pRS.ADOExcute(m_strSQL);
//添加院系、教師到樹控件中
AddTreeNodes();
//添加課程到列表中
AddListItems();
//為院系控件添加院系列表,此處建立了一個臨時的RecordSet實例
MyRecordSet rs;
rs.ADOOpen(m_pRS.m_strDBType);
rs.ADOExcute("SELECT CollegeID FROM CollegeTab");
while(!rs.ADOEOF())
{
m_ctrlCollege.AddString(rs.GetFieldString(0));
rs.MoveNext();
}
rs.ADOConnectionClose(); //釋放資源
}
void CCourseDlg::AddTreeNodes()
{
//刪除所有結點控件中的項目
m_ctrlTree.DeleteAllItems();
//添加根結點即學生表的信息
hRootItem=m_ctrlTree.InsertItem("課程基本信息",0,2,TVI_ROOT,TVI_LAST);
m_pRS.MoveFirst(); //指向第一條
while(!m_pRS.ADOEOF())
{
//添加院系到根節點中
HTREEITEM hCollege=AddDistinctNode(hRootItem,m_pRS.GetFieldString("CollegeID"));
//添加班級到院系節點中
HTREEITEM hClass=AddDistinctNode(hCollege,m_pRS.GetFieldString("CourseTeacher"));
m_pRS.MoveNext();
}
}
void CCourseDlg::AddListItems()
{
//清列表框的頭
int nCount=0;
CHeaderCtrl *pHeaderCtrl=m_ctrlList.GetHeaderCtrl();
if(pHeaderCtrl!=NULL)
nCount=pHeaderCtrl->GetItemCount();
for(int i=0;i<nCount;i++)
m_ctrlList.DeleteColumn(0);
m_ctrlList.DeleteAllItems();
//取出字段名顯示到列表頭中
for(i=0;i<m_pRS.nFieldCols;i++)
{
m_ctrlList.InsertColumn(i,m_pRS.GetFieldName(i),LVCFMT_LEFT,110);
}
//取出字段值放到列表行中
int nItem=0;
while(!m_pRS.ADOEOF())
{
m_ctrlList.InsertItem(nItem,m_pRS.GetFieldString(0));
for(int i=1;i<m_pRS.nFieldCols;i++)
m_ctrlList.SetItemText(nItem,i,m_pRS.GetFieldString(i));
m_pRS.MoveNext();
}
}
//如果該值[strValue],在指定結點的子結點中不存在，則將此值添加到其子結點中；
HTREEITEM CCourseDlg::AddDistinctNode(HTREEITEM hParent,CString strValue)
{
HTREEITEM hItem=m_ctrlTree.GetChildItem(hParent);
while(hItem)
{
CString strItemText = m_ctrlTree.GetItemText(hItem);
if(strItemText == strValue)
return hItem; //已經存在該值的子結點，則返回
hItem = m_ctrlTree.GetNextSiblingItem(hItem);
}
//遍歷了所有子結點，沒有找到該值，則添加并返回
return m_ctrlTree.InsertItem(strValue,1,2,hParent,TVI_LAST);
}
void CCourseDlg::OnSelchangedTree(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
// TODO: Add your control notification handler code here
*pResult = 0;
//取得當前選中的節點
HTREEITEM hSelItem=m_ctrlTree.GetSelectedItem();
//取得先中節點的根節點
HTREEITEM hParentItem=m_ctrlTree.GetParentItem(hSelItem);
//判斷選中的的是根節點,還是學院二級子節點。并取回根節點
CString strSql,str,strCondition; //SQL語句
strSql="SELECT * FROM CourseTab"; //
if(hParentItem!=NULL)
{
HTREEITEM hOldParent=m_ctrlTree.GetParentItem(hParentItem);
if(hOldParent!=NULL)
{
//選中的是老師結點,添加院系條件和老師條件
strCondition.Format(" Where CollegeID='%s' AND CourseTeacher='%s'",m_ctrlTree.GetItemText(hParentItem),m_ctrlTree.GetItemText(hSelItem));
}else{
//選中的是院系結點,添加院系條件
strCondition.Format(" Where CollegeID='%s'",m_ctrlTree.GetItemText(hSelItem));
}
}else{
//選中的是根節結點，沒有過濾條件
strCondition="";
}
//加上篩選條件,
strSql+=strCondition;
//將SQL語句暫存, 以供排序使用；
m_strSQL=strSql;
//提取數據集
m_pRS.ADOExcute(strSql);
AddListItems();
}
void CCourseDlg::OnClickList(NMHDR* pNMHDR, LRESULT* pResult)
{
*pResult = 0;
int i=m_ctrlList.GetSelectionMark();
m_strID=m_ctrlList.GetItemText(i,0);
m_strName=m_ctrlList.GetItemText(i,1);
m_strType=m_ctrlList.GetItemText(i,2);
m_strHours=m_ctrlList.GetItemText(i,3);
m_strCredit=m_ctrlList.GetItemText(i,4);
m_strTeacher=m_ctrlList.GetItemText(i,5);
m_strCollege=m_ctrlList.GetItemText(i,6);
UpdateData(false);
}
void CCourseDlg::OnColumnclickList(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
*pResult = 0;
//單擊表頭列時排序,可有兩種方法,一種是比較調整所有對應行的值排序
//這里使用了獲取列名并重新填充的方法
//獲取表頭列中的文字,由于沒有直接的函數,所以需要分兩步
//取得選中的列索引:Info.iSubItem,行索引為:Info.iItem
CPoint pt;
::GetCursorPos(&pt);
m_ctrlList.ScreenToClient(&pt);
LVHITTESTINFO Info;
Info.pt = pt;
Info.flags = LVHT_ABOVE;
m_ctrlList.SubItemHitTest(&Info);
//取得列頭中的值即:col.pszText
LVCOLUMN col;
col.mask=LVCF_TEXT;
col.cchTextMax =20;
char buff[20];
col.pszText=buff;
m_ctrlList.GetColumn(Info.iSubItem,&col);
//耶得值之后,為SQL語句增加排序條件,并重新填充
CString strSQL=m_strSQL+" ORDER BY "+col.pszText;
m_pRS.ADOExcute(strSQL);
AddListItems();
}
void CCourseDlg::OnItemAdd()
{
//清空,準備錄入
m_strID="";
m_strName="";
m_strType="";
m_strHours="";
m_strCredit="";
m_strTeacher="";
m_strCollege="";
UpdateData(false);
}
void CCourseDlg::OnItemSearch()
{
UpdateData(true);
//查找指定學號的項,并放入列表框中
m_pRS.ADOExcute("SELECT * FROM CourseTab WHERE CourseID='"+m_strID+"'");
AddListItems();
UpdateData(false);
}
void CCourseDlg::OnItemSave()
{
UpdateData(true);
// 添加記錄
CString sql;
sql.Format("INSERT INTO CourseTab(CourseID,CourseName,CourseType,CourseHours,CourseCredit,CourseTeacher,CollegeID) Values('%s','%s','%s','%s','%s','%s','%s')",
m_strID,m_strName,m_strType,m_strHours,m_strCredit,m_strTeacher,m_strCollege);
if(m_pRS.ADOExcuteNoQuery(sql)==1){
AfxMessageBox("增加記錄成功!");
//增加完記錄后,馬上查找顯示;
OnItemSearch();
}else{
AfxMessageBox("增加記錄失敗,可能是重復的編號!");
}
}
void CCourseDlg::OnItemEdit()
{
// 保存編輯
UpdateData(true);
CString sql;
sql.Format("UPDATE CourseTab SET CourseName='%s',CourseType='%s',CourseHours='%s',CourseCredit='%s',CourseTeacher='%s',CollegeID='%s' WHERE CourseID='%s'",
m_strName,m_strType,m_strHours,m_strCredit,m_strTeacher,m_strCollege,m_strID);
if(m_pRS.ADOExcuteNoQuery(sql)==1){
AfxMessageBox("編輯記錄成功!");
//編輯完記錄后,馬上查找顯示;
OnItemSearch();
}else{
AfxMessageBox("編輯記錄失敗!");
}
}
void CCourseDlg::OnItemDelete()
{
if(AfxMessageBox("您確認要刪除嗎?",MB_OKCANCEL)==IDOK)
{
UpdateData(true);
CString sql;
sql.Format("DELETE * FROM CourseTab WHERE CourseID='%s'",m_strID);
if(m_pRS.ADOExcuteNoQuery(sql)==1){
AfxMessageBox("刪除記錄成功!");
//刪除列表項中造中的記錄
m_ctrlList.DeleteItem(m_ctrlList.GetSelectionMark());
}else{
AfxMessageBox("刪除記錄失敗!");
}
}
}
void CCourseDlg::OnItemQuit()
{
// TODO: Add your command handler code here
CDialog::OnOK();
}
void CCourseDlg::OnItemHelp()
{
// TODO: Add your command handler code here
AfxMessageBox("5");
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