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Add wxDataViewCtrl::ExpandChildren()

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This convenient method allows to expand all children of the item
recursively.

This is directly supported by both native implementations, so it makes
sense to have this in wxDataViewCtrl itself, even if it could be also
(less efficiently) implemented in the user code.
This commit is contained in:
Vadim Zeitlin
2020-12-05 14:41:09 +01:00
parent faffc5fe0a
commit d47fa718cd
15 changed files with 87 additions and 20 deletions
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13
tests/controls/dataviewctrltest.cpp
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@@ -271,6 +271,19 @@ TEST_CASE_METHOD(SingleSelectDataViewCtrlTestCase,
CHECK( !m_dvc->IsExpanded(m_grandchild) );
#endif
CHECK( !m_dvc->IsExpanded(m_child2) );
m_dvc->Collapse(m_root);
CHECK( !m_dvc->IsExpanded(m_root) );
m_dvc->ExpandChildren(m_root);
CHECK( m_dvc->IsExpanded(m_root) );
CHECK( m_dvc->IsExpanded(m_child1) );
// Expanding an already expanded node must still expand all its children.
m_dvc->Collapse(m_child1);
CHECK( !m_dvc->IsExpanded(m_child1) );
m_dvc->ExpandChildren(m_root);
CHECK( m_dvc->IsExpanded(m_child1) );
}
TEST_CASE_METHOD(SingleSelectDataViewCtrlTestCase,