void
PackageListView::MessageReceived(BMessage* message)
{
switch (message->what) {
case MSG_UPDATE_PACKAGE:
{
BString title;
uint32 changes;
if (message->FindString("title", &title) != B_OK
|| message->FindUInt32("changes", &changes) != B_OK) {
break;
}
BAutolock _(fModelLock);
PackageRow* row = _FindRow(title);
if (row != NULL) {
if ((changes & PKG_CHANGED_RATINGS) != 0)
row->UpdateRating();
if ((changes & PKG_CHANGED_STATE) != 0)
row->UpdateState();
}
break;
}
default:
BColumnListView::MessageReceived(message);
break;
}
}
void
PackageListView::RemovePackage(const PackageInfoRef& package)
{
PackageRow* packageRow = _FindRow(package);
if (packageRow == NULL)
return;
RemoveRow(packageRow);
delete packageRow;
fItemCountView->SetItemCount(CountRows());
}
void
PackageListView::SelectPackage(const PackageInfoRef& package)
{
PackageRow* row = _FindRow(package);
BRow* selected = CurrentSelection();
if (row != selected)
DeselectAll();
if (row != NULL) {
AddToSelection(row);
SetFocusRow(row, false);
ScrollTo(row);
}
}
nwxGridCellValidator *nwxGridCellValidatorCollection::Find(
int nRow, int nCol)
{
nwxGridCellValidator *pRtn = NULL;
if((pRtn = _FindCell(nRow,nCol)) != NULL) {}
else if((pRtn = _FindRow(nRow)) != NULL) {}
else if((pRtn = _FindCol(nCol)) != NULL) {}
else
{
pRtn = m_pDefaultValidator;
}
return pRtn;
}
PackageRow*
PackageListView::_FindRow(const PackageInfoRef& package, PackageRow* parent)
{
for (int32 i = CountRows(parent) - 1; i >= 0; i--) {
PackageRow* row = dynamic_cast<PackageRow*>(RowAt(i, parent));
if (row != NULL && row->Package() == package)
return row;
if (CountRows(row) > 0) {
// recurse into child rows
row = _FindRow(package, row);
if (row != NULL)
return row;
}
}
return NULL;
}
PackageRow*
PackageListView::_FindRow(const BString& packageTitle, PackageRow* parent)
{
for (int32 i = CountRows(parent) - 1; i >= 0; i--) {
PackageRow* row = dynamic_cast<PackageRow*>(RowAt(i, parent));
if (row != NULL && row->Package().Get() != NULL
&& row->Package()->Title() == packageTitle) {
return row;
}
if (CountRows(row) > 0) {
// recurse into child rows
row = _FindRow(packageTitle, row);
if (row != NULL)
return row;
}
}
return NULL;
}
void
PackageListView::AddPackage(const PackageInfoRef& package)
{
PackageRow* packageRow = _FindRow(package);
// forget about it if this package is already in the listview
if (packageRow != NULL)
return;
BAutolock _(fModelLock);
// create the row for this package
packageRow = new PackageRow(package, fPackageListener);
// add the row, parent may be NULL (add at top level)
AddRow(packageRow);
// make sure the row is initially expanded
ExpandOrCollapse(packageRow, true);
fItemCountView->SetItemCount(CountRows());
}
