int CVariablesGrid::FindWatchActualIndex( int row )
{
CString name = GetItemText( row, 0 );
int actualIndex = -1;
int lastCheckRow = row;
if (!name.IsEmpty() && row == GetRowCount() - 1)
{
actualIndex++;
lastCheckRow--;
}
// Determine the true index.
for (int i = 1; i <= lastCheckRow; ++i)
{
CGridTreeCell* treeCell = (CGridTreeCell*)GetCell(i, 0);
if (treeCell->IsKindOf(RUNTIME_CLASS(CGridTreeCell)))
{
int level = treeCell->GetLevel();
if (level == 1)
actualIndex++;
}
else
actualIndex++;
}
return actualIndex;
}
CString CVariablesGrid::GetFullName( int row )
{
// Get the full name.
CString fullName = GetItemText( row, 0 );
CGridTreeCell* treeCell = (CGridTreeCell*)GetCell( row, 0 );
int curLevel = treeCell->GetLevel();
if (curLevel > 1)
{
for (int i = row - 1; i >= 1; --i)
{
if (curLevel <= 1)
break;
CGridTreeCell* treeCell = (CGridTreeCell*)GetCell(i, 0);
int level = treeCell->GetLevel();
if (level == curLevel - 1)
{
// Found a new part to tack on.
fullName = GetItemText(i, 0) + "." + fullName;
curLevel--;
}
}
}
return fullName;
}
void CVariablesGrid::SaveExpandInfo(bool extraRow)
{
m_expandInfo.RemoveAll();
// Get the full name.
CString fullName;
int numRows = GetRowCount();
if (extraRow)
numRows--;
for (int i = 1; i < numRows; ++i)
{
CGridTreeCell* treeCell = (CGridTreeCell*)GetCell(i, 0);
int level = treeCell->GetLevel();
if (level == 1)
{
fullName = GetItemText(i, 0);
}
else
{
fullName += "." + GetItemText(i, 0);
}
if (treeCell->IsViewable())
{
ExpandInfo info;
info.m_fullName = fullName;
m_expandInfo.Add(info);
}
}
}
/*****************************************************************************
Examines saved array show / hide bit to determine if a row should display.
There is a one-for-one mapping of these bits to total rows
*****************************************************************************/
void CTreeColumn::TreeRefreshRows()
{
ASSERT( m_pGrid != NULL);
ASSERT( m_iColumnWithTree >= 0);
// hide / show each row
for( int i1=m_iFixedRowCount; i1 < m_iRowCount; i1++)
{
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( i1, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return;
if( pGridTreeCell->IsViewable() )
{
if( m_pGrid->GetRowHeight( i1) < m_pGrid->GetDefCellHeight() )
m_pGrid->SetRowHeight( i1, m_pGrid->GetDefCellHeight() );
}
else
{
if( m_pGrid->GetRowHeight( i1) > 0 )
m_pGrid->SetRowHeight( i1, 0);
}
}
if (::IsWindow( m_pGrid->m_hWnd) && m_bAllowDraw)
{
m_pGrid->Invalidate();
}
}
void CVariablesGrid::FixupRows(bool readOnly)
{
// Nothing here...
// if (m_titleList.GetSize() == 0)
// return;
int numRows = GetRowCount();
if (readOnly && numRows == 1)
return;
GV_ITEM Item;
m_treeColumn.TreeSetup( this, NAME_COL, readOnly ? numRows - 1 : numRows, 1, m_treeLevelArray.GetData(), TRUE, FALSE);
m_treeColumn.SetTreeLineColor( RGB( 0, 0, 0xFF) );
// m_treeColumn.SetDefTreeIndent( 8 );
// m_treeColumn.TreeDisplayOutline(100);
int curWatchIndex = -1;
for (int i = 1; i < numRows; i++)
{
CGridTreeCell* treeCell = (CGridTreeCell*)GetCell(i, 0);
treeCell->SetForcePlus( m_treeForcePlusArray[ i - 1 ] );
int curLevel = treeCell->GetLevel();
if (curLevel == 1)
{
curWatchIndex++;
}
Item.mask = GVIF_TEXT|GVIF_FORMAT|GVIF_FONT|GVIF_PARAM;
Item.row = i;
Item.col = NAME_COL;
Item.mask = GVIF_TEXT|GVIF_FORMAT|GVIF_STATE;
Item.nFormat = DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_END_ELLIPSIS;
Item.nState = (readOnly || curLevel > 1) ? GVIS_READONLY : 0;
m_titleFont.GetLogFont(&Item.lfFont);
Item.lParam = curWatchIndex;
SetItem(&Item);
}
for (int i = 1; i <= m_titleList.GetSize(); ++i)
{
// SetFont(&m_titleFont);
SetItemText(i, NAME_COL, m_titleList[i - 1]);
}
// for (i = 0; i < numRows; ++i)
// m_treeColumn.TreeDataCollapseAllSubLevels(i);
}
unsigned char CTreeColumn::GetLevelAndHide( int aiRow)
// returns: tree level, =0 if invalid input
{
ASSERT( m_pGrid != NULL);
ASSERT( aiRow >= 0
&& aiRow < m_iRowCount );
ASSERT( m_iColumnWithTree >= 0);
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( aiRow, m_iColumnWithTree);
if( pGridTreeCell != NULL)
return pGridTreeCell->GetLevelAndHide();
return 0;
}
BOOL CTreeColumn::IsTreeRowDisplayed( int aiRow) // row
// returns: T=tree row is displayed
{
ASSERT( m_pGrid != NULL);
ASSERT( aiRow >= 0
&& aiRow < m_iRowCount );
ASSERT( m_iColumnWithTree >= 0);
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( aiRow, m_iColumnWithTree);
if( pGridTreeCell != NULL)
return pGridTreeCell->IsViewable();
return FALSE;
}
/*****************************************************************************
Toggles tree expansion and collapsing. Intended to be connected to a user
event
*****************************************************************************/
void CTreeColumn::TreeExpandCollapseToggle( int aiGridRow) // Grid row of node to toggle
{
ASSERT( m_pGrid != NULL);
m_pGrid->m_bLMouseButtonDown = FALSE;
ASSERT( aiGridRow >= m_iFixedRowCount
&& aiGridRow < m_iRowCount);
ASSERT( m_bAllowDraw);
ASSERT( m_iColumnWithTree >= 0);
if( m_iColumnWithTree < 0)
return;
// if last element, forget it
if( aiGridRow + 1 >= m_iRowCount)
return;
// see if it needs to be expanded by looking at hide/show state of first neighbor.
// If first neighbor is hidden, should expand
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( aiGridRow + 1, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return;
if( pGridTreeCell->IsViewable() )
{
TreeDataCollapseAllSubLevels( aiGridRow);
TreeRefreshRows();
}
else
{
TreeDataExpandOneLevel( aiGridRow);
TreeRefreshRows();
// Make sure bottom expanded row is visible (or as many of the expanded rows as possible)
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell(aiGridRow, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return;
UCHAR lev = pGridTreeCell->GetLevel();
int ii;
for (ii = aiGridRow + 1; ii < m_iRowCount; ii++)
{
pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell(ii, m_iColumnWithTree);
if (pGridTreeCell == NULL || pGridTreeCell->GetLevel() <= lev)
break;
}
m_pGrid->EnsureVisible(ii-1, m_iColumnWithTree);
m_pGrid->EnsureVisible(aiGridRow, m_iColumnWithTree);
}
}
void CVariablesGrid::RestoreExpandInfo(bool extraRow)
{
if (m_expandInfo.GetSize() == 0)
return;
// Get the full name.
CString fullName;
int curExpandPos = 0;
int numRows = GetRowCount();
if (extraRow)
numRows--;
for (int i = 1; i < numRows; ++i)
{
CGridTreeCell* treeCell = (CGridTreeCell*)GetCell(i, 0);
int level = treeCell->GetLevel();
if (level == 1)
{
fullName = GetItemText(i, 0);
}
else
{
fullName += "." + GetItemText(i, 0);
}
if (m_expandInfo[curExpandPos].m_fullName == fullName)
{
// m_treeColumn.TreeDataExpandOneLevel(i);
treeCell->SetViewable(TRUE);
curExpandPos++;
if (curExpandPos == m_expandInfo.GetSize())
{
m_treeColumn.TreeRefreshRows();
return;
}
}
}
m_treeColumn.TreeRefreshRows();
}
/*****************************************************************************
Collapses all levels of a branch -- not just 1 level. Using this in
conjunction with TreeDataExpandOneLevel will get a tree grid that performs like
VC++ watch window. Windows explorer tree differs: it "remembers" last
expansion.
Note that it doesn't check whether adjacent nodes are properply represented, it
just does the collapse.
*****************************************************************************/
void CTreeColumn::TreeDataCollapseAllSubLevels( int aiGridRow)
{
ASSERT( m_iColumnWithTree >= 0);
ASSERT( m_pGrid != NULL);
ASSERT( aiGridRow >= m_iFixedRowCount
&& aiGridRow < m_iRowCount);
// display desired node and save its level and make visible
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( aiGridRow, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return;
unsigned char ucLevelCurrent = pGridTreeCell->GetLevel();
if( ucLevelCurrent <= 0)
return; // don't expand or collapse items not part of the tree
pGridTreeCell->SetViewable( TRUE);
unsigned char ucLevel;
int i1;
for( i1 = aiGridRow + 1; i1 < m_iRowCount; i1++)
{
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( i1, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return;
ucLevel = pGridTreeCell->GetLevel();
if( ucLevel <= ucLevelCurrent)
break;
pGridTreeCell->SetViewable( FALSE);
}
}
/*****************************************************************************
Callable by class consumer to prepare one's own data array of tree info to
display something reasonable. High order Bits of the tree display data are
modified.
*****************************************************************************/
void CTreeColumn::TreeDataPrepOutline(unsigned char aucLevel, // level to display >= 0x80 displays all
int aiIndex, // Index to tree display data to modify
int aiNbrElements) // nbr of elements in tree display data
{
ASSERT( aucLevel > 0);
ASSERT( m_iColumnWithTree >= 0);
ASSERT( aiIndex >= 0 );
ASSERT( aiNbrElements > 0);
ASSERT( m_pGrid != NULL);
ASSERT( aiIndex + aiNbrElements <= m_iRowCount - m_iFixedRowCount );
int i1;
if( aucLevel >= 0x80)
{
for( i1=0; i1 < aiNbrElements; i1++)
{
int iCellRow = m_iFixedRowCount + aiIndex + i1;
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( iCellRow, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return;
pGridTreeCell->SetViewable( TRUE);
}
}
else
{
for( i1=0; i1 < aiNbrElements; i1++)
{
int iCellRow = m_iFixedRowCount + aiIndex + i1;
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( iCellRow, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return;
if( pGridTreeCell->GetLevel() <= aucLevel)
pGridTreeCell->SetViewable( TRUE);
else
pGridTreeCell->SetViewable( FALSE);
}
}
}
/*****************************************************************************
Should the cell identified by the row have a "+" or "-" graphic?
*****************************************************************************/
BOOL CTreeColumn::TreeCellHasPlusMinus( int aiRow, // row of Cell to check
BOOL* apbIsPlus, // returns: T=Is a plus
BOOL* apbIsMinus, // returns: T=Is a minus
BOOL* apbIsLastLeaf)// returns: T=Is Last Leaf
// returns: T=cell has a plus or minus; F=not
{
ASSERT( m_pGrid != NULL);
ASSERT( aiRow >= m_iFixedRowCount
&& aiRow < m_iRowCount);
ASSERT( m_iColumnWithTree >= 0);
ASSERT( apbIsPlus != NULL);
ASSERT( apbIsMinus != NULL);
ASSERT( apbIsLastLeaf != NULL);
*apbIsPlus = FALSE;
*apbIsMinus = FALSE;
*apbIsLastLeaf = FALSE;
int iStartPt = aiRow + 1;
int i1;
// get current level
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( aiRow, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return FALSE;
unsigned char ucLevelCurrent = pGridTreeCell->GetLevel();
if( ucLevelCurrent <= 0)
return FALSE; // no tree
BOOL bIsNextShowing = FALSE;
unsigned char ucLevelNext = 0;
for( i1=iStartPt; i1 < m_iRowCount; i1++)
{
pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( i1, m_iColumnWithTree);
if( pGridTreeCell == NULL)
return FALSE;
bIsNextShowing = pGridTreeCell->IsViewable();
ucLevelNext = pGridTreeCell->GetLevel();
if( ucLevelCurrent >= ucLevelNext )
{
break;
}
if( !bIsNextShowing
&& ucLevelNext == ucLevelCurrent + 1)
{
*apbIsPlus = TRUE;
}
}
// final attribute setting now that enough data has been examined
if( i1 > iStartPt
&& !*apbIsPlus)
{
*apbIsMinus = TRUE;
}
if( !bIsNextShowing
|| ucLevelCurrent > ucLevelNext
|| i1 >= m_iRowCount ) // hit last element
*apbIsLastLeaf = TRUE;
return *apbIsMinus || *apbIsPlus;
}
/*****************************************************************************
Sets up a column to be drawn with + - tree controls w/ indenting. Text
is automatically indented. Rows expand and collapse as appropriate
3/2001: Tree can be in fixed column, too
*****************************************************************************/
BOOL CTreeColumn::TreeSetup( CGridCtrl* apGridCtrl, // tree acts on a column in this grid
int aiColumn, // which column has tree
int aiTotalRows, // total number of rows in the
// tree if totally expanded
int aiFixedRowCount,// Set fixed row count now, too
// Grid total rows=aiTotalRows+aiFixedRowCount
const unsigned char* apucTreeLevelAry, // Tree Level data array --
// must have aiTotalRows of entries
BOOL abShowTreeLines, // T=show tree (not grid) lines; F=no tree lines
BOOL abUseImages, // T=use 1st 3 images from already set image list
// to display folder graphics
CRuntimeClass* apRuntimeClass) // can use your special
// CGridTreeCellBase-derived class
// returns: success / fail
{
ASSERT( apGridCtrl != NULL);
ASSERT( aiColumn < apGridCtrl->GetColumnCount());
m_pRuntimeClassTreeCell = apRuntimeClass;
if( m_pRuntimeClassTreeCell == NULL) // default can hold data
m_pRuntimeClassTreeCell = RUNTIME_CLASS(CGridTreeCell);
if (!m_pRuntimeClassTreeCell->IsDerivedFrom(RUNTIME_CLASS(CGridTreeCellBase)))
{
ASSERT( FALSE);
return FALSE;
}
m_pGrid = apGridCtrl;
m_bAllowDraw = FALSE; // prevents crash during reset
BOOL bRC = TRUE;
m_iFixedRowCount = aiFixedRowCount;
m_iRowCount = aiTotalRows + aiFixedRowCount;
m_iColumnWithTree = aiColumn;
m_pGrid->SetFixedRowCount( m_iFixedRowCount);
m_pGrid->SetRowCount( m_iRowCount);
if( aiTotalRows > 0)
{
ASSERT( apucTreeLevelAry != NULL);
// retain old cell properties: establishes size for
// tree drawing box based on current font
CGridTreeCell GridCellCopy;
GridCellCopy.SetTreeColumn( this);
CGridCellBase* pCurrCell = m_pGrid->GetCell( 0, m_iColumnWithTree);
if (pCurrCell)
GridCellCopy = *pCurrCell;
// copy all data while replacing cells to tree cell type
for( int i1=0; i1 < aiTotalRows; i1++)
{
int iCellRow = m_iFixedRowCount + i1;
if( !m_pGrid->SetCellType( iCellRow,
m_iColumnWithTree,
m_pRuntimeClassTreeCell ) )
{
bRC = FALSE;
break;
}
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( iCellRow, m_iColumnWithTree);
if( pGridTreeCell != NULL)
{
pGridTreeCell->SetTreeColumn( this);
pGridTreeCell->SetLevelAndHide( *apucTreeLevelAry );
}
apucTreeLevelAry++;
}
SetTreeUsesImages( abUseImages); // T=use images
SetTreeLines( abShowTreeLines); // T=show tree lines
}
m_bAllowDraw = TRUE;
m_pGrid->Invalidate();
return bRC;
}
/*****************************************************************************
This may delete one or more rows depending on the makeup of the tree branch.
It's analagous to deleting a file directory with all files and sub-directories
deleted, too.
*****************************************************************************/
int CTreeColumn::DeleteTreeBranch( int aiRow, // Row that the tree branch begins on
BOOL abRedraw) // T=redraw; F=don't
// returns: nbr of rows deleted
{
ASSERT( aiRow >= -1);
ASSERT( m_pGrid != NULL); // Must call TreeSetup(), first
if( aiRow < m_iFixedRowCount
|| aiRow >= m_iRowCount)
return 0;
int iRowDeleteCount = 0;
m_bAllowDraw = FALSE; // prevents crash during reset
// get level of initial row to delete from tree
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( aiRow, m_iColumnWithTree);
unsigned char ucLevelCurrent = CHAR_MAX;
if( pGridTreeCell != NULL)
{
// delete just the parent
ucLevelCurrent = pGridTreeCell->GetLevel();
if( m_pGrid->DeleteRow( aiRow) )
{
iRowDeleteCount++;
m_iRowCount--;
}
}
// see if any children need to be deleted, too
unsigned char ucLevel;
while( aiRow < m_iRowCount)
{
pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( aiRow, m_iColumnWithTree);
if( pGridTreeCell == NULL)
break;
ucLevel = pGridTreeCell->GetLevel();
if( ucLevel <= ucLevelCurrent)
break;
if( !m_pGrid->DeleteRow( aiRow) )
break;
iRowDeleteCount++;
m_iRowCount--;
}
ASSERT( m_iRowCount == m_pGrid->GetRowCount() );
// have to re-number all cells below deletion point
if( iRowDeleteCount > 0)
{
int iRow;
int iColumnCount = m_pGrid->GetColumnCount();
for( iRow=aiRow; iRow < m_iRowCount; iRow++)
{
int iCol;
for (iCol = 0; iCol < iColumnCount; iCol++)
{
CGridCellBase* pGridCellBase = m_pGrid->GetCell( iRow, iCol);
if( pGridCellBase != NULL)
{
pGridCellBase->SetCoords( iRow, iCol);
}
}
}
}
m_bAllowDraw = TRUE;
TreeRefreshRows();
if( abRedraw)
m_pGrid->Invalidate();
return iRowDeleteCount;
}
/*****************************************************************************
3/2001: Allows one to add to the existing tree structure. Repeatedly
calling TreeSetup() with different tree configurations was the only way to
change the tree structure with the original implementation, but had the
disadvantage of destroying cell contents. The original implementation
forced you to NOT store data directly in grid cells if you wished to
change the tree.
No validation of the tree branch "levels" done. Drawing code assumes
a parent / child relationship of tree nodes. Thus, if the lines of
the tree don't look right, make sure that the parent / child relationship
is not violated.
*****************************************************************************/
int CTreeColumn::InsertTreeBranch(
const unsigned char* apucTreeLevelAry, // Tree Level data array --
// must have aiNbrElements of entries
int aiNbrElements, // NUmber of tree elements to add
int aiRow, // insert tree elements beginning at this row
// If -1, append to end; If 0, Insert
// at top no matter how many fixed rows
BOOL abRedraw) // T=redraw; F=don't
// returns: row where elements inserted; -1 on error
{
ASSERT( apucTreeLevelAry != NULL);
ASSERT( aiNbrElements >= 0);
ASSERT( aiRow >= -1);
ASSERT( m_pGrid != NULL); // Must call TreeSetup(), first
ASSERT( m_iFixedRowCount >= 0);
ASSERT( m_pRuntimeClassTreeCell != NULL);
if( aiNbrElements <= 0)
return -1;
// if user specified 0 or -1, adjust
int iRowForAppend = 0;
if( m_iRowCount <= m_iFixedRowCount)
aiRow = -1; // if no non-fixed rows, then gotta append
if( aiRow <= -1)
{
iRowForAppend = -1;
aiRow = m_iRowCount;
}
else if( aiRow < m_iFixedRowCount)
aiRow = m_iFixedRowCount;
m_bAllowDraw = FALSE; // prevents crash during reset
// retain old cell properties: establishes size for
// tree drawing box based on current font
CGridTreeCell GridCellCopy;
GridCellCopy.SetTreeColumn( this);
CGridCellBase* pCurrCell = m_pGrid->GetCell( m_iRowCount-1, m_iColumnWithTree);
if (pCurrCell)
GridCellCopy = *pCurrCell;
// insert rows while replacing tree column cells to tree cell type
int iCellRow = aiRow;
int i1;
for( i1=0; i1 < aiNbrElements; i1++)
{
// CGridCtrl's InsertRow() requires a -1 to append values to
// the end of the grid
if( iRowForAppend != -1)
iRowForAppend = iCellRow;
if( m_pGrid->InsertRow( "", iRowForAppend) < 0)
{
aiRow = -1; // error
break;
}
if( !m_pGrid->SetCellType( iCellRow,
m_iColumnWithTree,
m_pRuntimeClassTreeCell ) )
{
aiRow = -1; // error
break;
}
CGridTreeCell* pGridTreeCell = (CGridTreeCell*)m_pGrid->GetCell( iCellRow, m_iColumnWithTree);
if( pGridTreeCell != NULL)
{
pGridTreeCell->SetTreeColumn( this);
pGridTreeCell->SetLevelAndHide( *apucTreeLevelAry );
pGridTreeCell->SetViewable( TRUE);
}
iCellRow++;
m_iRowCount++;
apucTreeLevelAry++;
}
ASSERT( m_iRowCount == m_pGrid->GetRowCount() );
// have to re-number all cells below insertion point
if( aiRow > 0)
{
int iRow;
int iColumnCount = m_pGrid->GetColumnCount();
for( iRow=iCellRow; iRow < m_iRowCount; iRow++)
{
int iCol;
for (iCol = 0; iCol < iColumnCount; iCol++)
{
CGridCellBase* pGridCellBase = m_pGrid->GetCell( iRow, iCol);
if( pGridCellBase != NULL)
{
pGridCellBase->SetCoords( iRow, iCol);
}
}
}
}
m_bAllowDraw = TRUE;
TreeRefreshRows();
if( abRedraw)
m_pGrid->Invalidate();
return aiRow;
}
