splitex.h

1. // splitex.h
2. // (c) 1997, Oleg G. Galkin
4. classCSplitterWndEx :public CSplitterWnd
5. {
6. protected:
7.    int m_nHidedCol;   // hide column number, -1 if all columns
8.                       // are shown
10. public:
11.    CSplitterWndEx();
13.    voidShowColumn();
14.    voidHideColumn(int colHide);
16. // ClassWizard generated virtual function overrides
17.    //{{AFX_VIRTUAL(CSplitterWndEx)
18.    //}}AFX_VIRTUAL
20. // Generated message map functions
21. protected:
22.    //{{AFX_MSG(CSplitterWndEx)
23.       // NOTE - the ClassWizard will add and remove member
24.       //        functions here.
25.       //}}AFX_MSG
27.     DECLARE_MESSAGE_MAP()
28. };
30. //////////////////////////////////////////////////////////////////
31. //
32. // splitex.cpp
33. // (c) 1997, Oleg G. Galkin
35. #include"stdafx.h"
36. #include"splitex.h"
38. #ifdef _DEBUG
39. #definenew DEBUG_NEW
40. #undef THIS_FILE
41. staticchar THIS_FILE[]= __FILE__;
42. #endif
44. //////////////////////////////////////////////////////////////////
45. /
46. // CSplitterWndEx
48. CSplitterWndEx::CSplitterWndEx():
49.     m_nHidedCol(-1)
50. {
51. }
53. voidCSplitterWndEx::ShowColumn()
54. {
55.    ASSERT_VALID(this);
56.    ASSERT(m_nCols< m_nMaxCols);
57.    ASSERT(m_nHidedCol!= -1);
59.    int colNew= m_nHidedCol;
60.    m_nHidedCol = -1;
61.    int cxNew= m_pColInfo[m_nCols].nCurSize;
62.    m_nCols++;   // add a column
63.    ASSERT(m_nCols== m_nMaxCols);
65.    // fill the hidden column
66.    int col;
67.    for(int row= 0; row< m_nRows; row++)
68.    {
69.       CWnd* pPaneShow= GetDlgItem(
70.          AFX_IDW_PANE_FIRST+ row *16 + m_nCols);
71.       ASSERT(pPaneShow!= NULL);
72.       pPaneShow->ShowWindow(SW_SHOWNA);
74.       for(col = m_nCols- 2; col>= colNew; col--)
75.       {
76.          CWnd* pPane= GetPane(row, col);
77.          ASSERT(pPane!= NULL);
78.          pPane->SetDlgCtrlID(IdFromRowCol(row, col + 1));
79.       }
81.       pPaneShow->SetDlgCtrlID(IdFromRowCol(row, colNew));
82.    }
84.    // new panes have been created -- recalculate layout
85.    for(col = colNew+ 1; col< m_nCols; col++)
86.       m_pColInfo[col].nIdealSize= m_pColInfo[col- 1].nCurSize;
87.    m_pColInfo[colNew].nIdealSize= cxNew;
88.    RecalcLayout();
89. }
91. voidCSplitterWndEx::HideColumn(int colHide)
92. {
93.    ASSERT_VALID(this);
94.    ASSERT(m_nCols> 1);
95.    ASSERT(colHide< m_nCols);
96.    ASSERT(m_nHidedCol== -1);
97.    m_nHidedCol = colHide;
99.    // if the column has an active window -- change it
100.    int rowActive, colActive;
101.    if(GetActivePane(&rowActive,&colActive)!= NULL &&
102.        colActive == colHide)
103.    {
104.       if(++colActive >= m_nCols)
105.          colActive = 0;
106.       SetActivePane(rowActive, colActive);
107.    }
109.    // hide all column panes
110.    for(int row= 0; row< m_nRows; row++)
111.    {
112.       CWnd* pPaneHide= GetPane(row, colHide);
113.       ASSERT(pPaneHide!= NULL);
114.       pPaneHide->ShowWindow(SW_HIDE);
115.       pPaneHide->SetDlgCtrlID(
116.          AFX_IDW_PANE_FIRST+ row *16 + m_nCols);
118.       for(int col= colHide +1; col< m_nCols; col++)
119.       {
120.          CWnd* pPane= GetPane(row, col);
121.          ASSERT(pPane!= NULL);
122.          pPane->SetDlgCtrlID(IdFromRowCol(row, col - 1));
123.       }
124.    }
125.    m_nCols--;
126.    m_pColInfo[m_nCols].nCurSize= m_pColInfo[colHide].nCurSize;
127.     RecalcLayout();
128. }
130. BEGIN_MESSAGE_MAP(CSplitterWndEx,CSplitterWnd)
131. //{{AFX_MSG_MAP(CSplitterWndEx)
132.    // NOTE - the ClassWizard will add and remove mapping macros here.
133. //}}AFX_MSG_MAP
134. END_MESSAGE_MAP()