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ItemHasChildren() should return TRUE for the items which have plus button as they could have children even if they currently don't

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12958 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2001-12-09 14:35:54 +00:00
parent abbacd903e
commit 59a2e6354d
1 changed files with 6 additions and 1 deletions
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7
src/generic/treectlg.cpp
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@ -881,7 +881,12 @@ bool wxGenericTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
return !((wxGenericTreeItem*) item.m_pItem)->GetChildren().IsEmpty();
// consider that the item does have children if it has the "+" button: it
// might not have them (if it had never been expanded yet) but then it
// could have them as well and it's better to err on this side rather than
// disabling some operations which are restricted to the items with
// children for an item which does have them
return !((wxGenericTreeItem*) item.m_pItem)->HasPlus();
}
bool wxGenericTreeCtrl::IsExpanded(const wxTreeItemId& item) const