CSortableHeader Struct Reference

#include <CSortableHeader.hpp>

Collaboration diagram for CSortableHeader:

Classes
struct	SortContext

Public Member Functions
INT	CompareFunc (LPARAM lParam1, LPARAM lParam2, SortContext *ctx)
void	ColumnClick (CListView &listView, LPNMLISTVIEW pnmv)
void	ReapplySorting (CListView &listView)
void	ApplySorting (CListView &listView, INT nHeaderID)

Static Public Member Functions
static INT CALLBACK	s_CompareFunc (LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)

Private Attributes
int	m_LastHeaderID = 0
bool	m_Ascending = true

Detailed Description

Definition at line 8 of file CSortableHeader.hpp.

Member Function Documentation

ApplySorting()

void CSortableHeader::ApplySorting ( CListView &  listView, INT  nHeaderID  )

inline

Definition at line 77 of file CSortableHeader.hpp.

    {
        HWND hHeader = (HWND)listView.SendMessage(LVM_GETHEADER, 0, 0);
        HDITEMW hColumn;
        ZeroMemory(&hColumn, sizeof(hColumn));
 
        /* If the sorting column changed, remove the sorting style from the old column */
        if ((m_LastHeaderID != -1) && (m_LastHeaderID != nHeaderID))
        {
            m_Ascending = TRUE; // also reset sorting method to ascending
            hColumn.mask = HDI_FORMAT;
            Header_GetItem(hHeader, m_LastHeaderID, &hColumn);
            hColumn.fmt &= ~(HDF_SORTUP | HDF_SORTDOWN);
            Header_SetItem(hHeader, m_LastHeaderID, &hColumn);
        }
 
        /* Set the sorting style to the new column */
        hColumn.mask = HDI_FORMAT;
        Header_GetItem(hHeader, nHeaderID, &hColumn);
 
        hColumn.fmt &= ~(HDF_SORTDOWN | HDF_SORTUP);
        hColumn.fmt |= (m_Ascending ? HDF_SORTUP : HDF_SORTDOWN);
        Header_SetItem(hHeader, nHeaderID, &hColumn);
 
        /* Sort the list, using the current values of nHeaderID and bIsAscending */
        SortContext ctx = {this, &listView, nHeaderID};
        listView.SortItems(s_CompareFunc, &ctx);
    }

Referenced by ColumnClick(), and ReapplySorting().

ColumnClick()

void CSortableHeader::ColumnClick ( CListView &  listView, LPNMLISTVIEW  pnmv  )

inline

Definition at line 55 of file CSortableHeader.hpp.

    {
        if ((listView.GetWindowLongPtr(GWL_STYLE) & ~LVS_NOSORTHEADER) == 0)
            return;
 
        ApplySorting(listView, pnmv->iSubItem);
 
        /* Save new values */
        m_LastHeaderID = pnmv->iSubItem;
        m_Ascending = !m_Ascending;
    }

Referenced by CCertMgrProperties::OnHeaderClicked().

CompareFunc()

INT CSortableHeader::CompareFunc ( LPARAM  lParam1, LPARAM  lParam2, SortContext *  ctx  )

inline

Definition at line 30 of file CSortableHeader.hpp.

    {
        const INT iSubItem = ctx->iSubItem;
#define MAX_STR_LEN 256
 
        CStringW Item1, Item2;
        LVFINDINFOW IndexInfo;
        INT Index;
 
        IndexInfo.flags = LVFI_PARAM;
 
        IndexInfo.lParam = lParam1;
        Index = ctx->lvw->FindItem(-1, &IndexInfo);
        ctx->lvw->GetItemText(Index, iSubItem, Item1.GetBuffer(MAX_STR_LEN), MAX_STR_LEN);
        Item1.ReleaseBuffer();
 
        IndexInfo.lParam = lParam2;
        Index = ctx->lvw->FindItem(-1, &IndexInfo);
        ctx->lvw->GetItemText(Index, iSubItem, Item2.GetBuffer(MAX_STR_LEN), MAX_STR_LEN);
        Item2.ReleaseBuffer();
 
        return m_Ascending ? Item1.Compare(Item2) : Item2.Compare(Item1);
    }

ReapplySorting()

void CSortableHeader::ReapplySorting ( CListView &  listView )

inline

Definition at line 68 of file CSortableHeader.hpp.

    {
        if (m_LastHeaderID != -1)
        {
            ApplySorting(listView, m_LastHeaderID);
        }
    }

Referenced by CCertMgrProperties::OnStoreChanged().

s_CompareFunc()

static INT CALLBACK CSortableHeader::s_CompareFunc ( LPARAM  lParam1, LPARAM  lParam2, LPARAM  lParamSort  )

inlinestatic

Definition at line 23 of file CSortableHeader.hpp.

    {
        SortContext *ctx = ((SortContext *)lParamSort);
        return ctx->hdr->CompareFunc(lParam1, lParam2, ctx);
    }

Referenced by ApplySorting().

Member Data Documentation

m_Ascending

bool CSortableHeader::m_Ascending = true

private

Definition at line 12 of file CSortableHeader.hpp.

Referenced by ApplySorting(), ColumnClick(), and CompareFunc().

m_LastHeaderID

int CSortableHeader::m_LastHeaderID = 0

private

Definition at line 11 of file CSortableHeader.hpp.

Referenced by ApplySorting(), ColumnClick(), and ReapplySorting().

---

The documentation for this struct was generated from the following file:

• base/applications/mscutils/certmgr/CSortableHeader.hpp