void SettersGettersModel::DoChangeItemType(const wxDataViewItem& item, bool changeToContainer)
{
SettersGettersModel_Item* node = reinterpret_cast<SettersGettersModel_Item*>(item.GetID());
if ( !node )
return;
if ( ( changeToContainer && !node->IsContainer()) || // change an item from non-container to container type
( !changeToContainer && node->IsContainer()) ) { // change an item from container to non-container type
#if defined(__WXGTK__) || defined(__WXMAC__)
// change the item to container type:
// 1st we need to delete it
ItemDeleted(wxDataViewItem(node->GetParent()), item);
// update the node type
node->SetIsContainer(changeToContainer);
ItemAdded(wxDataViewItem(node->GetParent()), item);
#else
node->SetIsContainer(changeToContainer);
#endif
}
}
wxDataViewItem SettersGettersModel::DoAppendItem(const wxDataViewItem& parent, const wxVector<wxVariant>& data, bool isContainer, wxClientData *clientData)
{
SettersGettersModel_Item* parentNode = reinterpret_cast<SettersGettersModel_Item*>(parent.m_pItem);
DoChangeItemType(parent, true);
SettersGettersModel_Item* child = new SettersGettersModel_Item();
child->SetIsContainer(isContainer);
child->SetClientObject( clientData );
child->SetData( data );
if ( parentNode ) {
parentNode->AddChild( child );
} else {
m_data.push_back( child );
}
return wxDataViewItem(child);
}
wxDataViewItem SettersGettersModel::DoInsertItem(const wxDataViewItem& insertBeforeMe, const wxVector<wxVariant>& data, bool isContainer, wxClientData *clientData)
{
SettersGettersModel_Item* child = new SettersGettersModel_Item();
child->SetIsContainer(isContainer);
child->SetClientObject( clientData );
child->SetData( data );
// find the location where to insert the new item
SettersGettersModel_Item* node = reinterpret_cast<SettersGettersModel_Item*>(insertBeforeMe.m_pItem);
if ( !node )
return wxDataViewItem();
wxVector<SettersGettersModel_Item*>::iterator where = std::find(m_data.begin(), m_data.end(), node);
if ( where != m_data.end() ) {
// top level item
m_data.insert( where, child );
} else {
if ( !node->GetParent() )
return wxDataViewItem();
child->SetParent(node->GetParent());
where = std::find(node->GetParent()->GetChildren().begin(), node->GetParent()->GetChildren().end(), node);
if ( where == node->GetParent()->GetChildren().end() ) {
node->GetParent()->GetChildren().push_back( child );
} else {
node->GetParent()->GetChildren().insert(where, child);
}
}
return wxDataViewItem(child);
}