bool SearchLine::checkItemParentsVisible( Q3ListViewItem *item )
{
//BEGIN code from KSearchLine::checkItemParentsVisible
bool visible = false;
for( ; item; item = item->nextSibling() ) {
if( ( item->firstChild() && checkItemParentsVisible( item->firstChild() ) ) ||
itemMatches( item, search ) )
{
setItemVisible( item, true );
// OUCH! this operation just became exponential-time.
// however, setting an item visible sets all its descendents
// visible too, which we definitely don't want.
// plus, in Kopete the nesting is never more than 2 deep,
// so this really just doubles the runtime, if that.
// this still can be done in O(n) time by a mark-set process,
// but that's overkill in our case.
checkItemParentsVisible( item->firstChild() );
visible = true;
}
else
setItemVisible( item, false );
}
return visible;
//END code from KSearchLine::checkItemParentsVisible
}
void KTreeWidgetSearchLine::checkItemParentsNotVisible(QTreeWidget *treeWidget)
{
QTreeWidgetItemIterator it(treeWidget);
for (; *it; ++it) {
QTreeWidgetItem *item = *it;
item->treeWidget()->setItemHidden(item, !itemMatches(item, k->search));
}
}
/******************************************************************************
* Public Slots *
*****************************************************************************/
void K3IconViewSearchLine::updateSearch( const QString &s )
{
Q3IconView *iv = d->iconView;
if( ! iv )
return; // disabled
QString search = d->search = s.isNull() ? text() : s;
QIconViewItemList *hi = &(d->hiddenItems);
Q3IconViewItem *currentItem = iv->currentItem();
Q3IconViewItem *item = NULL;
// Remove Non-Matching items, add them them to hidden list
Q3IconViewItem *i = iv->firstItem();
while ( i != NULL )
{
item = i;
i = i->nextItem(); // Point to next, otherwise will loose it.
if ( ! itemMatches( item, search ) )
{
hideItem( item );
if ( item == currentItem )
currentItem = NULL; // It's not in iconView anymore.
}
}
// Add Matching items, remove from hidden list
QIconViewItemList::iterator it = hi->begin();
while ( it != hi->end() )
{
item = *it;
++it;
if ( itemMatches( item, search ) )
showItem( item );
}
iv->sort();
if ( currentItem != NULL )
iv->ensureItemVisible( currentItem );
}
void SearchLine::checkItemParentsNotVisible()
{
//BEGIN code from KSearchLine::checkItemParentsNotVisible
Q3ListViewItemIterator it( listView() );
for( ; it.current(); ++it )
{
Q3ListViewItem *item = it.current();
if( itemMatches( item, search ) )
setItemVisible( item, true );
else
setItemVisible( item, false );
}
//END code from KSearchLine::checkItemParentsNotVisible
}
bool KTreeWidgetSearchLine::checkItemParentsVisible(QTreeWidgetItem* item)
{
QTreeWidget* treeWidget = item->treeWidget();
bool childMatch = false;
for (int i = 0; i < item->childCount(); ++i)
childMatch |= checkItemParentsVisible(item->child(i));
// Should this item be shown? It should if any children should be, or if it matches.
if (childMatch || itemMatches(item, k->search)) {
treeWidget->setItemHidden(item, false);
return true;
}
treeWidget->setItemHidden(item, true);
return false;
}
void KTreeWidgetSearchLine::rowsInserted(const QModelIndex & parent, int start, int end) const
{
QAbstractItemModel* model = qobject_cast<QAbstractItemModel*>(sender());
if (!model)
return;
QTreeWidget* widget = 0L;
foreach (QTreeWidget* tree, k->treeWidgets)
if (tree->model() == model) {
widget = tree;
break;
}
if (!widget)
return;
QTreeWidgetWorkaround* widgetWorkaround = static_cast<QTreeWidgetWorkaround *>( widget );
for (int i = start; i <= end; ++i) {
if (QTreeWidgetItem* item = widgetWorkaround->itemFromIndex(model->index(i, 0, parent)))
item->treeWidget()->setItemHidden(item, !itemMatches(item, text()));
}
}
