void SettersGettersModel::DeleteItem(const wxDataViewItem& item)
{
SettersGettersModel_Item* node = reinterpret_cast<SettersGettersModel_Item*>(item.m_pItem);
if ( node ) {
SettersGettersModel_Item* parent = node->GetParent();
wxDataViewItem parentItem(parent);
ItemDeleted(parentItem, item);
// this will also remove it from its model parent children list
if ( parent == NULL ) {
// root item, remove it from the roots array
wxVector<SettersGettersModel_Item*>::iterator where = std::find(m_data.begin(), m_data.end(), node);
if ( where != m_data.end() ) {
m_data.erase(where);
}
}
// If there are no more children, change the item back to 'normal'
if ( parent && parent->GetChildren().empty() )
DoChangeItemType(parentItem, false);
wxDELETE(node);
}
if ( IsEmpty() )
Cleared();
}
wxDataViewItem SettersGettersModel::GetParent(const wxDataViewItem& item) const
{
SettersGettersModel_Item* node = reinterpret_cast<SettersGettersModel_Item*>(item.m_pItem);
if ( node ) {
return wxDataViewItem(node->GetParent());
}
return wxDataViewItem(NULL);
}
wxDataViewItem SettersGettersModel::InsertItem(const wxDataViewItem& insertBeforeMe, const wxVector<wxVariant>& data, wxClientData *clientData)
{
wxDataViewItem ch = DoInsertItem(insertBeforeMe, data, false, clientData);
if ( ch.IsOk() ) {
SettersGettersModel_Item* node = reinterpret_cast<SettersGettersModel_Item*>(ch.GetID());
ItemAdded(wxDataViewItem(node->GetParent()), ch);
}
return ch;
}
void SettersGettersModel::DeleteItems(const wxDataViewItem& parent, const wxDataViewItemArray& items)
{
// sanity
for(size_t i=0; i<items.GetCount(); ++i) {
SettersGettersModel_Item* node = reinterpret_cast<SettersGettersModel_Item*>(items.Item(i).m_pItem);
wxUnusedVar(node);
wxASSERT(node && node->GetParent() == parent.m_pItem);
DeleteItem(items.Item(i));
}
}
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::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);
}