Knowledge Base Nr: 00307 treelist.cpp - http://www.swe-kaiser.de

Downloads:

MFC: VS2005 treecontrol/listcontrol handling (listcontrol editierbar mittels combobox, editbox und commondialog)

  
// CMyDialogBar-Dialogfeld

IMPLEMENT_DYNAMIC(CMyDialogBar, CDialogBar)

CMyDialogBar::CMyDialogBar(CWnd* pParent /*=NULL*/)
  : CDialogBar()
{
  m_iLastSel = -1;
  m_wLastCtrl = NULL;
}

CMyDialogBar::~CMyDialogBar()
{
}

typedef struct tagPETINFO
{
  TCHAR szKind[10];
  TCHAR szBreed[50];
  TCHAR szPrice[20];
}PETINFO;

PETINFO rgPetInfo[ ] =
{
  {L"col", L"Poodle", L"$300.00"},
  {L"edit", L"Siamese", L"$100.00"},
  {L"combo", L"Angel Fish", L"$10.00"},
  {L"col", L"DDDDDDD", L"$300.00"},
  {L"edit", L"SSSSSSS", L"$100.00"},
  {L"combo", L"FFFFFFF Fish", L"$10.00"},
  {L"col", L"abc", L"$300.00"},
  {L"edit", L"die", L"$100.00"},
  {L"combo", L"katze liegt im...", L"$10.00"},
};

bool CMyDialogBar::InitDialog()
{
  SetWindowText(L"meine tolle Dialogbar");
  //todo: fensterkopf wie dialog oder frame (farben, close-button)

  //inputcontrols
  GetDlgItem(IDC_EDIT)->ShowWindow(SW_HIDE);
  GetDlgItem(IDC_COMBO)->ShowWindow(SW_HIDE);

  //tree füllen
  CTreeCtrl* pTree = (CTreeCtrl*)GetDlgItem(IDC_TREE);

  TVINSERTSTRUCT tvi;

  tvi.hParent = NULL;
  tvi.hInsertAfter = TVI_LAST;
  tvi.item.mask = TVIF_TEXT;
  tvi.item.hItem = NULL;
  tvi.item.state = 0;
  tvi.item.stateMask = 0;
  tvi.item.cchTextMax = 50;
  tvi.item.cChildren = 0;
  tvi.item.lParam = 0;

  tvi.item.pszText = L"lulli";
  HTREEITEM hi1 = pTree->InsertItem(&tvi);
  tvi.hParent = hi1;
  tvi.item.pszText = L"jupp zupp";
  HTREEITEM hi11 = pTree->InsertItem(&tvi);
  tvi.item.pszText = L"karl napp";
  HTREEITEM hi12 = pTree->InsertItem(&tvi);

  tvi.hParent = NULL;
  tvi.item.pszText = L"hugo";
  HTREEITEM hi2 = pTree->InsertItem(&tvi);
  tvi.hParent = hi2;
  tvi.item.pszText = L"egon krenz";
  HTREEITEM hi21 = pTree->InsertItem(&tvi);
  tvi.item.pszText = L"hans fischi";
  HTREEITEM hi22 = pTree->InsertItem(&tvi);

  tvi.hParent = NULL;
  tvi.item.pszText = L"fritz";
  HTREEITEM hi3 = pTree->InsertItem(&tvi);

  //listbox füllen
  CListCtrl* pList = (CListCtrl*)GetDlgItem(IDC_LIST);
  pList->SetExtendedStyle(LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES);

  LVCOLUMN lvc;
    lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
  lvc.cx = 80;     // width of column in pixels

  lvc.iSubItem = 0;
  lvc.pszText = L"name";
  lvc.fmt = LVCFMT_LEFT;
  pList->InsertColumn(0, &lvc);

  lvc.iSubItem = 1;
  lvc.pszText = L"value";
  lvc.fmt = LVCFMT_LEFT;
  pList->InsertColumn(1, &lvc);

  LVITEM lvI;
  lvI.mask = LVIF_TEXT | LVIF_PARAM | LVIF_STATE;
  lvI.iImage = 0;
  lvI.iSubItem = 0;
  lvI.state = 0;
  lvI.stateMask = 0;

  int size = sizeof(rgPetInfo) / sizeof(rgPetInfo[0]);
  for (int n=0; n<size; n++)
  {
    CString str;

    str.Format(L"item%d", n);
      lvI.iItem = n;
    lvI.iSubItem = 0;
    lvI.lParam = (LPARAM)&rgPetInfo[n];
    lvI.pszText = str.GetBuffer(100); str.ReleaseBuffer();
    lvI.pszText = LPSTR_TEXTCALLBACK; // sends an
    pList->InsertItem(&lvI);
  }

  return true;
}

void CMyDialogBar::DoDataExchange(CDataExchange* pDX)
{
  CDialogBar::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CMyDialogBar, CDialogBar)
  ON_NOTIFY(LVN_GETDISPINFO, IDC_LIST, &CMyDialogBar::OnLvnGetdispinfoList)
  ON_NOTIFY(LVN_ITEMCHANGED, IDC_LIST, &CMyDialogBar::OnLvnItemchangedList)
  ON_NOTIFY(TVN_SELCHANGED, IDC_TREE, &CMyDialogBar::OnTvnSelchangedTree)
  ON_EN_KILLFOCUS(IDC_EDIT, &CMyDialogBar::OnEnKillfocusEdit)
  ON_CBN_KILLFOCUS(IDC_COMBO, &CMyDialogBar::OnCbnKillfocusCombo)
  ON_BN_CLICKED(IDC_BUTTON1, &CMyDialogBar::OnBnClickedButton1)
END_MESSAGE_MAP()

void CMyDialogBar::DoResize(int cx, int cy)
{
  CWnd* pTree = GetDlgItem(IDC_TREE);
  CWnd* pList = GetDlgItem(IDC_LIST);

  if (m_wLastCtrl)
    ::ShowWindow(m_wLastCtrl, SW_HIDE);

  if (pTree && pList)
  {
    this->MoveWindow (0, 0, cx, cy);

    pTree->MoveWindow (3, 23, cx-6, cy/2-38);


    m_nListX = 3;
    m_nListY = cy/2+3;
    pList->MoveWindow (m_nListX, m_nListY, cx-6, cy/2-68);
  }
}

void CMyDialogBar::OnLvnGetdispinfoList(NMHDR *pNMHDR, LRESULT *pResult)
{
  NMLVDISPINFO *pDispInfo = reinterpret_cast<NMLVDISPINFO*>(pNMHDR);

  switch (pDispInfo->item.iSubItem)
  {
  case 0:
    pDispInfo->item.pszText =
    rgPetInfo[pDispInfo->item.iItem].szKind;
    break;

  case 1:
    pDispInfo->item.pszText =
    rgPetInfo[pDispInfo->item.iItem].szBreed;
    break;

  case 2:
    pDispInfo->item.pszText =
    rgPetInfo[pDispInfo->item.iItem].szPrice;
    break;
  }

  *pResult = 0;
}

void CPropDialogBar::OnNMClickList(NMHDR *pNMHDR, LRESULT *pResult)
{
  LPNMLISTVIEW pNMLV = reinterpret_cast<LPNMLISTVIEW>(pNMHDR);

  CListCtrl* pList = (CListCtrl*)GetDlgItem(IDC_LIST);
  int iSel = pNMLV->iItem;
  if (iSel >= 0)
  {
    m_iLastSel = iSel;

    CWnd* pWnd = NULL;

    CPropertyInfo* prop = (CPropertyInfo*)pList->GetItemData(iSel);
    ASSERT(prop);

    switch (prop->eEditMode)
    {
    case M_NONE:
        break;
    case M_USER:
        theApp.DoUserDialog(false);
        break;
    case M_COLOR:
        DoColorDialog();
        break;
    case M_EDIT:
        pWnd = GetDlgItem(IDC_EDIT);
        break;
    case M_COMBO:
        pWnd = GetDlgItem(IDC_COMBO);
        break;
    default:
        ASSERT(FALSE);
    }

    if (pWnd)   //handling für überblendete controls
    {
      if (m_wLastCtrl)
          ::ShowWindow(m_wLastCtrl, SW_HIDE);
      m_wLastCtrl = NULL;

      CString sOrgText = pList->GetItemText(iSel, 1);

      if (prop->eEditMode == M_COMBO)
          CHelperFunc::FillComboBox((CComboBox*)pWnd, sOrgText, prop->sEnumValue);
      else if (prop->eEditMode == M_EDIT)
          pWnd->SetWindowText(sOrgText);
      else
          ASSERT(FALSE);

      int iSelX1 = pList->GetColumnWidth(0);
      int iSelX2 = pList->GetColumnWidth(1);
      iSel -= pList->GetTopIndex();
      pWnd->SetWindowPos(&wndTop, iSelX1+m_nListX+2, m_nListY+iSel*14+16, iSelX2, 18, SWP_SHOWWINDOW);
      pWnd->SetFocus();

      m_wLastCtrl = pWnd->GetSafeHwnd();
    }
}

    *pResult = 0;
}

void CMyDialogBar::OnTvnSelchangedTree(NMHDR *pNMHDR, LRESULT *pResult)
{
  LPNMTREEVIEW pNMTreeView = reinterpret_cast<LPNMTREEVIEW>(pNMHDR);

  CTreeCtrl* pTree = (CTreeCtrl*)GetDlgItem(IDC_TREE);
  HTREEITEM hSel = pNMTreeView->itemNew.hItem;
  if (hSel)
  {
    TCHAR szText[50] = {0};
    TVITEM ti;
    ti.mask = TVIF_HANDLE | TVIF_TEXT;
    ti.hItem = hSel;
    ti.pszText = szText;
    ti.cchTextMax = sizeof(szText);

    pTree->GetItem(&ti);
    TRACE(L"sel->%ws\n", ti.pszText);

    CListCtrl* pList = (CListCtrl*)GetDlgItem(IDC_LIST);
    pList->SetItemText(0, 1, ti.pszText);
    pList->SetItemText(1, 1, ti.pszText);
    pList->SetItemText(2, 1, ti.pszText);
  }

  *pResult = 0;
}

void CMyDialogBar::DoColorDialog()
{
  CColorDialog dlg;

  if (dlg.DoModal() == IDOK)
  {
    CString sText;

    COLORREF color = dlg.GetColor();
    sText.Format(L"RGB(%u,%u,%u)", GetRValue(color), GetGValue(color), GetBValue(color));

    CListCtrl* pList = (CListCtrl*)GetDlgItem(IDC_LIST);
    pList->SetItemText(m_iLastSel, 1, sText);
  }
}

void CMyDialogBar::OnEnKillfocusEdit()
{
  if (m_iLastSel >=0)
  {
    CString sText;

    GetDlgItem(IDC_EDIT)->GetWindowText(sText);

    CListCtrl* pList = (CListCtrl*)GetDlgItem(IDC_LIST);
    pList->SetItemText(m_iLastSel, 1, sText);
  }
}

void CMyDialogBar::OnCbnKillfocusCombo()
{
  if (m_iLastSel >=0)
  {
    CString sText;

    GetDlgItem(IDC_COMBO)->GetWindowText(sText);

    CListCtrl* pList = (CListCtrl*)GetDlgItem(IDC_LIST);
    pList->SetItemText(m_iLastSel, 1, sText);
  }
}

void CMyDialogBar::OnBnClickedButton1()
{
  CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();

  pMainWnd->ShowControlBar(this, FALSE, FALSE);
}