void CReportCtrl::SortRows(int SortCol, int SortDir)
{
if (m_Style & SORT_ARROWS)
DrawSortArrow(m_SortCol, -1); // erase previous column's arrow
if (m_Style & SORT_ARROWS)
DrawSortArrow(SortCol, SortDir < 0); // draw new arrow
m_SortDir = SortDir;
m_SortCol = SortCol;
SortRows();
}
void CXTPHeaderCtrlThemeResource::OnDrawItemSortArrow(LPDRAWITEMSTRUCT lpDIS, BOOL bAscending)
{
CDC* pDC = CDC::FromHandle(lpDIS->hDC);
CRect rcItem = lpDIS->rcItem;
CPoint point;
point.x = rcItem.right + m_iArrowPadding;
point.y = (rcItem.top - 1) + (rcItem.Height() - m_sizeArrow.cy) / 2;
if (point.x < rcItem.left)
return;
CRect rcArrow;
rcArrow.left = point.x;
rcArrow.top = point.y;
rcArrow.right = point.x + m_sizeArrow.cx;
rcArrow.bottom = point.y + m_sizeArrow.cy;
int x = point.x + (m_sizeArrow.cx/2);
POINT ptsArrow[3];
ptsArrow[0].x = x-m_sizeArrow.cx/2;
ptsArrow[0].y = bAscending ? rcArrow.bottom : rcArrow.top;
ptsArrow[1].x = x+m_sizeArrow.cx/2;
ptsArrow[1].y = bAscending ? rcArrow.bottom : rcArrow.top;
ptsArrow[2].x = x;
ptsArrow[2].y = bAscending ? rcArrow.top : rcArrow.bottom;
DrawSortArrow(pDC, ptsArrow, bAscending);
}
void CFileBrowserListCtrl::SetSort(int Col, int Dir)
{
if (Col == m_SortCol && Dir == m_SortDir) // if same column and direction
return; // nothing to do
if (Col != m_SortCol && m_SortCol >= 0) // if different column has arrow
DrawSortArrow(m_SortCol, -1); // remove arrow from previous column
if (Col >= 0) { // if valid sort column
int items = m_DirList.GetCount();
int selcnt = GetSelectedCount();
int selmark = GetSelectionMark();
if (selcnt || selmark >= 0) { // if there's a selection
// save item states and selection mark in list user data
for (int i = 0; i < items; i++) {
CDirItem& item = m_DirList.GetItem(i);
item.SetData(GetItemState(i, LVIS_SELECTED | LVIS_FOCUSED));
}
if (selmark >= 0) {
CDirItem& item = m_DirList.GetItem(selmark);
// repurpose an item state bit to indicate selection mark
item.SetData(item.GetData() | LVIS_ACTIVATING);
}
}
DrawSortArrow(Col, Dir); // draw appropriate arrow on new column
m_DirList.Sort(Col, Dir); // sort directory list
if (selcnt || selmark >= 0) { // if there's a selection
// restore item states and selection mark from list user data
for (int i = 0; i < items; i++) {
const CDirItem& item = m_DirList.GetItem(i);
DWORD state = item.GetData();
SetItemState(i, state, LVIS_SELECTED | LVIS_FOCUSED);
if (state & LVIS_ACTIVATING) // if item has selection mark
SetSelectionMark(i);
}
}
Invalidate();
}
m_SortCol = Col;
m_SortDir = Dir;
}
void CFileBrowserListCtrl::Init()
{
for (int i = 0; i < COLUMNS; i++) { // make columns
const COL_INFO& info = m_ColInfo[i];
InsertColumn(i, LDS(info.Title), info.Align, info.Width);
}
SetImageList(&m_FileInfoCache.GetImageList(ICON_SMALL), LVSIL_SMALL);
SetImageList(&m_FileInfoCache.GetImageList(ICON_BIG), LVSIL_NORMAL);
// create header image list containing sort arrows
m_HdrImgList.Create(8, 8, ILC_MASK, 1, 1);
m_HdrImgList.Add(AfxGetApp()->LoadIcon(IDI_SORT_UP));
m_HdrImgList.Add(AfxGetApp()->LoadIcon(IDI_SORT_DOWN));
GetHeaderCtrl()->SetImageList(&m_HdrImgList);
DrawSortArrow(DEFAULT_SORT_COL, DEFAULT_SORT_DIR);
m_ViewType = GetStyle() & LVS_TYPEMASK;
}
