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// ListCtrlEx.cpp : implementation file
//
#include "stdafx.h"
#include "ListCtrlEx.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CListCtrlEx
CListCtrlEx::CListCtrlEx()
{
m_doSort = true;
}
CListCtrlEx::~CListCtrlEx()
{
}
BEGIN_MESSAGE_MAP(CListCtrlEx, CListCtrl)
//{{AFX_MSG_MAP(CListCtrlEx)
ON_NOTIFY_REFLECT(LVN_COLUMNCLICK, OnColumnclick)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CListCtrlEx message handlers
BOOL CListCtrlEx::AddColumn(LPCTSTR strItem,int nItem,int tam,int nFmt,int nSubItem,int nMask)
{
LV_COLUMN lvc;
lvc.mask = nMask;
lvc.fmt = nFmt;
lvc.pszText = (LPTSTR) strItem;
int tam2 = GetStringWidth(lvc.pszText) + 15;
tam = tam>tam2?tam:tam2;
lvc.cx = tam;
if(nMask & LVCF_SUBITEM){
if(nSubItem != -1)
lvc.iSubItem = nSubItem;
else
lvc.iSubItem = nItem;
}
return InsertColumn(nItem,&lvc);
}
////////////////////////////////////////////
BOOL CListCtrlEx::AddItem(int nItem,int nSubItem,string strItem,int nImageIndex)
{
return AddItem(nItem, nSubItem, strItem.c_str(), nImageIndex);
}
////////////////////////////////////////////
BOOL CListCtrlEx::AddItem(int nItem,int nSubItem,LPCTSTR strItem,int nImageIndex)
{
LV_ITEM lvItem;
lvItem.mask = LVIF_TEXT;
lvItem.iItem = nItem;
lvItem.iSubItem = nSubItem;
lvItem.pszText = (LPTSTR) strItem;
if(nImageIndex != -1){
lvItem.mask |= LVIF_IMAGE;
lvItem.iImage |= LVIF_IMAGE;
}
if(nSubItem == 0)
{
BOOL res=InsertItem(&lvItem);
SetItemData(nItem,nItem);
return res;
}
return SetItem(&lvItem);
}
BOOL CListCtrlEx::DelItem(int nItem)
{
DeleteItem(nItem);
return TRUE;
}
BOOL CListCtrlEx::DelAll()
{
DeleteAllItems();
return TRUE;
}
int CALLBACK Comparacion(LPARAM lParam1, LPARAM lParam2,LPARAM lParamSort)
{
CListCtrlEx *GE = (CListCtrlEx *)lParamSort;
int ValorDevuelto = 0;
if (GE)
{
int Item1 = -1;
int Item2 = -1;
int p=-1;
bool rapido=0;
LVFINDINFO FindInfo;
FindInfo.flags = LVFI_PARAM;
FindInfo.lParam = lParam1;
Item1 = GE->FindItem( &FindInfo);
if(rapido)p=Item1;
FindInfo.lParam = lParam2;
Item2 = GE->FindItem( &FindInfo,p);
if(Item2<0) Beep(400,400);
// Obtenemos el item por el que debemos ordenar (lo dice TipoOrdenacion)
CString It1 = GE->GetItemText(Item1,GE->TipoOrdenacion);
CString It2 = GE->GetItemText(Item2,GE->TipoOrdenacion);
// Si ya hab�amos ordenado anteriormente por ese tipo de ordenaci�n (flag
// ordenacionAnterior a true), devolvemos justo lo contrario de la comparaci�n
// (para poder hacer orden ascendente y descendente)
if(GE->m_SortCallbacks.size() > GE->TipoOrdenacion
&& GE->m_SortCallbacks[GE->TipoOrdenacion])
ValorDevuelto = (*(GE->m_SortCallbacks[GE->TipoOrdenacion]))(It1,It2);
else
ValorDevuelto = strcmp(It1,It2);
ValorDevuelto =(GE->OrdenacionAnterior)? -ValorDevuelto :ValorDevuelto ;
return ValorDevuelto;
}
return 0;
}
void CListCtrlEx::OnColumnclick(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
// TODO: Add your control notification handler code here
if (TipoOrdenacion != pNMListView->iSubItem)
// Nueva ordenacion:
OrdenacionAnterior = false;
else // Invertimos la ordenacion:
OrdenacionAnterior = !OrdenacionAnterior;
// Obtenemos el tipo de ordenacion:
TipoOrdenacion = pNMListView->iSubItem;
// Ordenamos:
if (m_doSort)SortItems( Comparacion, (LPARAM)this);
*pResult = 0;
}
void CListCtrlEx::SetColumnSortCallback(int item, CallBack cb)
{
if(m_SortCallbacks.size()<item+1)
m_SortCallbacks.resize(item+1);
m_SortCallbacks[item] = cb;
}
int IntComp(CString s1, CString s2)
{
int i1 = atoi(s1);
int i2 = atoi(s2);
if(i1==i2)return 0;
if(i1<i2) return -1;
return 1;
}
BOOL CListCtrlEx::SelectItem(int item)
{
return SetItem( item,0,LVIF_STATE,NULL,0,LVNI_SELECTED | LVNI_FOCUSED,LVNI_SELECTED | LVNI_FOCUSED,NULL);
}
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Javier Jimenez Shaw. Born in Madrid in 1975. Civil engineer, is working developing financial algorithms for exotic products.