void KonqSidebarBookmarkModule::slotMoved(QListViewItem *i, QListViewItem*, QListViewItem *after)
{
KonqSidebarBookmarkItem *item = dynamic_cast<KonqSidebarBookmarkItem*>( i );
if (!item)
return;
KBookmark bookmark = item->bookmark();
KBookmark afterBookmark;
KonqSidebarBookmarkItem *afterItem = dynamic_cast<KonqSidebarBookmarkItem*>(after);
if (afterItem)
afterBookmark = afterItem->bookmark();
KBookmarkGroup oldParentGroup = bookmark.parentGroup();
KBookmarkGroup parentGroup;
// try to get the parent group (assume that the QListViewItem has been reparented by KListView)...
// if anything goes wrong, use the root.
if (item->parent()) {
bool error = false;
KonqSidebarBookmarkItem *parent = dynamic_cast<KonqSidebarBookmarkItem*>( (item->parent()) );
if (!parent) {
error = true;
} else {
if (parent->bookmark().isGroup())
parentGroup = parent->bookmark().toGroup();
else
error = true;
}
if (error)
parentGroup = KonqBookmarkManager::self()->root();
} else {
// No parent! This means the user dropped it before the top level item
// And KListView has moved the item there, we need to correct it
tree()->moveItem(item, m_topLevelItem, 0L);
parentGroup = KonqBookmarkManager::self()->root();
}
// remove the old reference.
oldParentGroup.deleteBookmark( bookmark );
// insert the new item.
parentGroup.moveItem(bookmark, afterBookmark);
// inform others about the changed groups. quite expensive, so do
// our best to update them in only one emitChanged call.
QString oldAddress = oldParentGroup.address();
QString newAddress = parentGroup.address();
if (oldAddress == newAddress) {
KonqBookmarkManager::self()->emitChanged( parentGroup );
} else {
int i = 0;
while (true) {
QChar c1 = oldAddress[i];
QChar c2 = newAddress[i];
if (c1 == QChar::null) {
// oldParentGroup is probably parent of parentGroup.
KonqBookmarkManager::self()->emitChanged( oldParentGroup );
break;
} else if (c2 == QChar::null) {
// parentGroup is probably parent of oldParentGroup.
KonqBookmarkManager::self()->emitChanged( parentGroup );
break;
} else {
if (c1 == c2) {
// step to the next character.
++i;
} else {
// ugh... need to update both groups separately.
KonqBookmarkManager::self()->emitChanged( oldParentGroup );
KonqBookmarkManager::self()->emitChanged( parentGroup );
break;
}
}
}
}
}
