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sectform.cpp
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C/C++ Source or Header
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1998-03-26
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9KB
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344 lines
// sectform.cpp : implementation of the CSectionForm class
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#include "stdafx.h"
#include "enroll.h"
#include "sectset.h"
#include "coursset.h"
#include "enroldoc.h"
#include "sectform.h"
#include "addfield.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
// For dynamically added fields
#define IDC_EDIT_EXTRA 200
#define IDC_STATIC_EXTRA 300
/////////////////////////////////////////////////////////////////////////////
// CSectionForm
IMPLEMENT_DYNCREATE(CSectionForm, CRecordView)
BEGIN_MESSAGE_MAP(CSectionForm, CRecordView)
//{{AFX_MSG_MAP(CSectionForm)
ON_CBN_SELENDOK(IDC_COURSELIST, OnSelendokCourselist)
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_OPTIONS_ADDFIELDS, OnOptionsAddfields)
ON_COMMAND(ID_FILE_PRINT, CRecordView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CRecordView::OnFilePrintPreview)
ON_COMMAND(ID_RECORD_ADD, OnRecordAdd)
ON_COMMAND(ID_RECORD_REFRESH, OnRecordRefresh)
ON_COMMAND(ID_RECORD_DELETE, OnRecordDelete)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CSectionForm construction/destruction
CSectionForm::CSectionForm()
: CRecordView(CSectionForm::IDD)
{
//{{AFX_DATA_INIT(CSectionForm)
m_pSet = NULL;
//}}AFX_DATA_INIT
m_bAddMode = FALSE;
}
CSectionForm::~CSectionForm()
{
while (!m_listEdit.IsEmpty())
{
delete m_listEdit.GetHead();
m_listEdit.RemoveHead();
}
while (!m_listStatic.IsEmpty())
{
delete m_listStatic.GetHead();
m_listStatic.RemoveHead();
}
}
void CSectionForm::DoDataExchange(CDataExchange* pDX)
{
CRecordView::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CSectionForm)
DDX_Control(pDX, IDC_STATIC_CAPACITY, m_staticLast);
DDX_Control(pDX, IDC_CAPACITY, m_editLast);
DDX_Control(pDX, IDC_SECTION, m_ctlSection);
DDX_Control(pDX, IDC_COURSELIST, m_ctlCourseList);
DDX_FieldCBString(pDX, IDC_COURSELIST, m_pSet->m_CourseID, m_pSet);
DDX_FieldText(pDX, IDC_CAPACITY, m_pSet->m_Capacity, m_pSet);
DDX_FieldText(pDX, IDC_INSTRUCTOR, m_pSet->m_InstructorID, m_pSet);
DDX_FieldText(pDX, IDC_ROOM, m_pSet->m_RoomNo, m_pSet);
DDX_FieldText(pDX, IDC_SCHEDULE, m_pSet->m_Schedule, m_pSet);
DDX_FieldText(pDX, IDC_SECTION, m_pSet->m_SectionNo, m_pSet);
//}}AFX_DATA_MAP
// Make calls for any fields added at run-time
if (!m_pSet->m_listValue.IsEmpty())
{
UINT nField=0;
POSITION posValue = m_pSet->m_listValue.GetHeadPosition();
while (posValue)
{
DDX_FieldText(pDX, IDC_EDIT_EXTRA+nField,
m_pSet->m_listValue.GetNext(posValue), m_pSet);
nField++;
}
}
}
void CSectionForm::OnInitialUpdate()
{
m_pSet = &GetDocument()->m_sectionSet;
// Fill the combo box with all of the courses
CEnrollDoc* pDoc = GetDocument();
if (!pDoc->m_courseSet.Open())
return;
// Parameterize and sort the course recordset
m_pSet->m_strFilter = "CourseID = ?";
m_pSet->m_strCourseIDParam = pDoc->m_courseSet.m_CourseID;
m_pSet->m_strSort = "SectionNo";
m_pSet->m_pDatabase = pDoc->m_courseSet.m_pDatabase;
CRecordView::OnInitialUpdate();
m_ctlCourseList.ResetContent();
if (pDoc->m_courseSet.IsOpen())
{
while (pDoc->m_courseSet.IsEOF() != TRUE)
{
m_ctlCourseList.AddString(
pDoc->m_courseSet.m_CourseID);
pDoc->m_courseSet.MoveNext();
}
}
m_ctlCourseList.SetCurSel(0);
}
BOOL CSectionForm::OnMove(UINT nIDMoveCommand)
{
if (m_bAddMode)
{
if (!UpdateData())
return FALSE;
TRY
{
m_pSet->Update();
}
CATCH(CDBException, e)
{
AfxMessageBox(e->m_strError);
return FALSE;
}
END_CATCH
m_pSet->Requery();
UpdateData(FALSE);
m_ctlSection.SetReadOnly(TRUE);
m_bAddMode = FALSE;
return TRUE;
}
else
{
return CRecordView::OnMove(nIDMoveCommand);
}
}
/////////////////////////////////////////////////////////////////////////////
// CSectionForm printing
BOOL CSectionForm::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CSectionForm::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CSectionForm::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CSectionForm diagnostics
#ifdef _DEBUG
void CSectionForm::AssertValid() const
{
CRecordView::AssertValid();
}
void CSectionForm::Dump(CDumpContext& dc) const
{
CRecordView::Dump(dc);
}
CEnrollDoc* CSectionForm::GetDocument() // non-debug version is inline
{
return STATIC_DOWNCAST(CEnrollDoc, m_pDocument);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CSectionForm database support
CRecordset* CSectionForm::OnGetRecordset()
{
return m_pSet;
}
/////////////////////////////////////////////////////////////////////////////
// CSectionForm message handlers
void CSectionForm::OnSelendokCourselist()
{
m_ctlCourseList.GetLBText(m_ctlCourseList.GetCurSel(),
m_pSet->m_strCourseIDParam);
if (!m_bAddMode)
{
m_pSet->Requery();
if (m_pSet->IsEOF())
{
m_pSet->SetFieldNull(&(m_pSet->m_CourseID), FALSE);
m_pSet->m_CourseID = m_pSet->m_strCourseIDParam;
}
UpdateData(FALSE);
}
}
void CSectionForm::OnRecordAdd()
{
// If already in add mode, then complete previous new record
if (m_bAddMode)
OnMove(ID_RECORD_FIRST);
CString strCurrentCourse = m_pSet->m_CourseID;
m_pSet->AddNew();
m_pSet->SetFieldNull(&(m_pSet->m_CourseID), FALSE);
m_pSet->m_CourseID = strCurrentCourse;
m_bAddMode = TRUE;
m_ctlSection.SetReadOnly(FALSE);
UpdateData(FALSE);
}
void CSectionForm::OnRecordRefresh()
{
if (m_bAddMode == TRUE)
{
m_pSet->Move(AFX_MOVE_REFRESH);
m_ctlSection.SetReadOnly(TRUE);
m_bAddMode = FALSE;
}
// Copy fields from recordset to form, thus
// overwriting any changes user may have made
// on the form
UpdateData(FALSE);
}
void CSectionForm::OnRecordDelete()
{
TRY
{
m_pSet->Delete();
}
CATCH(CDBException, e)
{
AfxMessageBox(e->m_strError);
return;
}
END_CATCH
// Move to the next record after the one just deleted
m_pSet->MoveNext();
// If we moved off the end of file, then move back to last record
if (m_pSet->IsEOF())
m_pSet->MoveLast();
// If the recordset is now empty, then clear the fields
// left over from the deleted record
if (m_pSet->IsBOF())
m_pSet->SetFieldNull(NULL);
UpdateData(FALSE);
}
void CSectionForm::OnOptionsAddfields()
{
CAddField addfield;
addfield.m_pSet = m_pSet;
if (addfield.DoModal() != IDOK || addfield.m_strField.IsEmpty())
return;
CEdit* pedit;
CStatic* pstatic;
if (m_listEdit.IsEmpty())
{
// Find coordinates of Schedule edit control
m_editLast.GetWindowRect(&m_rc);
ScreenToClient(&m_rc);
m_nOffset = (m_rc.bottom - m_rc.top) + 10;
// Find coords of Schedule label
m_staticLast.GetWindowRect(&m_rcStatic);
ScreenToClient(&m_rcStatic);
}
pedit = new CEdit();
m_listEdit.AddTail((CObject*)pedit);
m_rc.top += m_nOffset;
m_rc.bottom += m_nOffset;
pedit->Create(WS_VISIBLE | WS_CHILD | WS_BORDER | ES_AUTOHSCROLL,
m_rc, this, IDC_EDIT_EXTRA+m_listEdit.GetCount()-1);
pedit->SetFont(GetFont());
pstatic = new CStatic();
m_listStatic.AddTail((CObject*)pstatic);
m_rcStatic.top += m_nOffset;
m_rcStatic.bottom += m_nOffset;
CString Label = addfield.m_strField;
Label += ":";
pstatic->Create(Label, WS_CHILD | WS_VISIBLE, m_rcStatic, this,
IDC_STATIC_EXTRA+m_listStatic.GetCount()-1);
pstatic->SetFont(GetFont());
// Resize the form to fit newly added controls
CSize size = GetTotalSize();
size.cy += m_nOffset;
SetScrollSizes(MM_TEXT, size);
GetParentFrame()->RecalcLayout();
ResizeParentToFit(FALSE);
m_pSet->Close();
m_pSet->AddTextField(addfield.m_strField);
m_pSet->Open();
// Fill new controls with data
UpdateData(FALSE);
}