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Added wxDataViewModel::GetChildren() (removed GetSibling() and GetFirstChild())

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2007-08-31 09:44:59 +00:00
parent b04fcede8f
commit 74fe973bba
5 changed files with 37 additions and 68 deletions
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48
samples/dataview/dataview.cpp
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@@ -333,48 +333,36 @@ public:
return node->IsContainer();
}
virtual wxDataViewItem GetFirstChild( const wxDataViewItem &parent ) const
virtual unsigned int GetChildren( const wxDataViewItem &parent, wxDataViewItemArray &array ) const
{
MyMusicModelNode *node = (MyMusicModelNode*) parent.GetID();
if (!node)
return wxDataViewItem( (void*) m_root );
{
array.Add( wxDataViewItem( (void*) m_root ) );
return 1;
}
if (node->GetChildCount() == 0)
return wxDataViewItem( 0 );
if (node == m_classical)
{
MyMusicModel *model = (MyMusicModel*)(const MyMusicModel*) this;
model->m_classicalMusicIsKnownToControl = true;
}
MyMusicModelNode *first_child = node->GetChildren().Item( 0 );
return wxDataViewItem( (void*) first_child );
if (node->GetChildCount() == 0)
{
return 0;
}
unsigned int count = node->GetChildren().GetCount();
unsigned int pos;
for (pos = 0; pos < count; pos++)
{
MyMusicModelNode *child = node->GetChildren().Item( pos );
array.Add( wxDataViewItem( (void*) child ) );
}
return count;
}
virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const
{
MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
// "MyMusic" has no siblings in our model
if (node == m_root)
return wxDataViewItem(0);
MyMusicModelNode *parent = node->GetParent();
int pos = parent->GetChildren().Index( node );
// Something went wrong
if (pos == wxNOT_FOUND)
return wxDataViewItem(0);
// No more children
if (pos == parent->GetChildCount()-1)
return wxDataViewItem(0);
node = parent->GetChildren().Item( pos+1 );
return wxDataViewItem( (void*) node );
}
private:
MyMusicModelNode* m_root;
MyMusicModelNode* m_pop;