BOOL CSortListCtrl::DeleteAllItems()
{
for( int iItem = 0; iItem < GetItemCount(); iItem ++ )
FreeItemMemory( iItem );
return CListCtrl::DeleteAllItems();
}
void CSortListCtrl::OnDestroy()
{
for( int iItem = 0; iItem < GetItemCount(); iItem ++ )
FreeItemMemory( iItem );
CListCtrl::OnDestroy();
}
/*
OnDestroy()
*/
void CWallBrowserFileView::OnDestroy(void)
{
// deve eliminare gli elementi della lista
FreeItemMemory();
CListViewEx::OnDestroy();
}
BOOL CSortListCtrl::DeleteItem(int iItem)
{
FreeItemMemory(iItem);
return CListCtrl::DeleteItem(iItem);
}
void CFileView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
{
if (lHint == 0x5A) {
FreeItemMemory ();
GetListCtrl ().DeleteAllItems ();
Refresh ((LPCTSTR) pHint);
return;
}
CListView::OnUpdate (pSender, lHint, pHint);
}
void CFileView::OnDestroy()
{
FreeItemMemory ();
CListView::OnDestroy ();
}
/*
OnUpdate()
*/
void CWallBrowserFileView::OnUpdate(CView* pView,LPARAM lHint,CObject* pHint)
{
BOOL bHint = FALSE;
static BOOL bTreeExpanded = FALSE;
if(lHint & ONUPDATE_FLAG_TREEEXPANDED)
{
TRACE("%s(%d): receiving ONUPDATE_FLAG_TREEEXPANDED\n",__FILE__,__LINE__);
bTreeExpanded = TRUE;
CWallBrowserDoc* pDoc = (CWallBrowserDoc*)GetDocument();
if(pDoc)
{
TRACE("%s(%d): sending ONUPDATE_FLAG_TREEEXPANDEDEX\n",__FILE__,__LINE__);
pDoc->UpdateAllViews(NULL,ONUPDATE_FLAG_TREEEXPANDEDEX);
}
}
if(!bTreeExpanded)
goto done;
if(lHint & ONUPDATE_FLAG_DIRSELECTED)
{
TRACE("%s(%d): receiving ONUPDATE_FLAG_DIRSELECTED\n",__FILE__,__LINE__);
// ri-selezionando la directory, riposiziona sul primo file della lista
if(m_nPictures > 0)
OnSelectItem(0);
bHint = TRUE;
}
if((lHint & ONUPDATE_FLAG_TREEEXPANDED) || (lHint & ONUPDATE_FLAG_DIRCHANGED) || (lHint & ONUPDATE_FLAG_DIRUPDATED))
{
TRACE("%s(%d): receiving ONUPDATE_FLAG_TREEEXPANDED || ONUPDATE_FLAG_DIRCHANGED || ONUPDATE_FLAG_DIRUPDATED\n",__FILE__,__LINE__);
// salva l'elemento corrente della lista per il confronto nel caso in cui venga aggiornata la directory
char szItem[_MAX_PATH+1];
int nItem = GetCurrentItem(szItem,sizeof(szItem));
SetRedraw(FALSE);
FreeItemMemory();
GetListCtrl().DeleteAllItems();
SetCurrentItem(0);
SetRedraw(TRUE);
CWallBrowserDoc* pDoc = (CWallBrowserDoc*)GetDocument();
if(pDoc)
{
pDoc->SetPictureFlag(FALSE);
pDoc->ResetFileName();
if(m_pMainFrameStatusBar)
m_pMainFrameStatusBar->SetPaneText(ID_INDICATOR_FILENAME_ID,"reading directory...");
LoadList(pDoc->GetPathName());
if(m_pMainFrameStatusBar)
m_pMainFrameStatusBar->SetPaneText(ID_INDICATOR_FILENAME_ID,"");
}
CWnd* pWnd = AfxGetMainWnd();
if(pWnd)
{
pWnd->SendMessage(WM_VIEW_PREVIOUS_PICTURE,m_nPictures > 0 ? TRUE : FALSE,0L);
pWnd->SendMessage(WM_VIEW_NEXT_PICTURE,m_nPictures > 0 ? TRUE : FALSE,0L);
}
if(m_nPictures > 0)
{
if(lHint & ONUPDATE_FLAG_DIRUPDATED)
{
COnUpdateInfo* pOnUpdateInfo = (COnUpdateInfo*)pHint;
strcpyn(szItem,pOnUpdateInfo->GetInfo(),sizeof(szItem));
LVFINDINFO lv = {0};
lv.flags = LVFI_STRING;
lv.psz = szItem;
if((nItem = GetListCtrl().FindItem(&lv,-1)) < 0)
nItem = 0;
}
else
nItem = 0;
OnSelectItem(nItem);
}
else
memset(m_szFileName,'\0',sizeof(m_szFileName));
bHint = TRUE;
}
if(lHint & ONUPDATE_FLAG_DEFAULTLIBRARY)
{
TRACE("%s(%d): receiving ONUPDATE_FLAG_DEFAULTLIBRARY\n",__FILE__,__LINE__);
char szItem[_MAX_PATH+1];
int nItem = GetCurrentItem(szItem,sizeof(szItem));
int nTotItems = GetListCtrl().GetItemCount();
SetRedraw(FALSE);
FreeItemMemory();
GetListCtrl().DeleteAllItems();
SetCurrentItem(0);
SetRedraw(TRUE);
CWallBrowserDoc* pDoc = (CWallBrowserDoc*)GetDocument();
if(pDoc)
{
if(m_pMainFrameStatusBar)
m_pMainFrameStatusBar->SetPaneText(ID_INDICATOR_FILENAME_ID,"reading directory...");
LoadList(pDoc->GetPathName());
if(m_pMainFrameStatusBar)
m_pMainFrameStatusBar->SetPaneText(ID_INDICATOR_FILENAME_ID,"");
}
// per gestire il cambio di libreria senza ridisegnare l'immagine se rimane la stessa
BOOL bChanged = FALSE;
if(nTotItems==GetListCtrl().GetItemCount())
{
strcpyn(m_szFileName,szItem,sizeof(m_szFileName));
{
LV_ITEM lvitem;
lvitem.mask = LVIF_TEXT;
lvitem.iItem = nItem;
lvitem.iSubItem = 0;
lvitem.pszText = szItem;
lvitem.cchTextMax = sizeof(szItem)-1;
GetListCtrl().GetItem(&lvitem);
}
if(strcmp(m_szFileName,szItem)!=0)
{
memset(m_szFileName,'\0',sizeof(m_szFileName));
bChanged = TRUE;
}
OnSelectItem(nItem);
}
else
{
bChanged = TRUE;
nTotItems = GetListCtrl().GetItemCount();
if(nItem > nTotItems-1)
nItem = nTotItems-1;
if(nItem >= 0)
OnSelectItem(nItem);
}
CWnd* pWnd = AfxGetMainWnd();
if(pWnd)
{
pWnd->SendMessage(WM_VIEW_PREVIOUS_PICTURE,nTotItems > 0 ? TRUE : FALSE,0L);
pWnd->SendMessage(WM_VIEW_NEXT_PICTURE,nTotItems > 0 ? TRUE : FALSE,0L);
}
bHint = TRUE;
}
if(m_pMainFrameStatusBar)
{
char szStatus[_MAX_PATH+1];
_snprintf(szStatus,
sizeof(szStatus)-1,
"%d file(s)",
m_nFiles
);
m_pMainFrameStatusBar->SetPaneText(ID_INDICATOR_FILES_ID,szStatus);
_snprintf(szStatus,
sizeof(szStatus)-1,
"%d picture(s)",
m_nPictures
);
m_pMainFrameStatusBar->SetPaneText(ID_INDICATOR_PICTURES_ID,szStatus);
}
done:
if(!bHint)
CListViewEx::OnUpdate(pView,lHint,pHint);
}
