void wxDataViewCtrl::SetSelections(wxDataViewItemArray const& sel)
{
size_t const noOfSelections = sel.GetCount();
size_t i;
wxDataViewItem last_parent;
// make sure that all to be selected items are visible in the control:
for (i = 0; i < noOfSelections; i++)
{
wxDataViewItem item = sel[i];
wxDataViewItem parent = GetModel()->GetParent( item );
if (parent.IsOk() && (parent != last_parent))
ExpandAncestors(item);
last_parent = parent;
}
// finally select the items:
wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer()); // variable definition for abbreviational purposes
for (i=0; i<noOfSelections; ++i)
dataViewWidgetPtr->Select(sel[i]);
}
bool wxDataViewCtrl::AssociateModel(wxDataViewModel* model)
{
wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
wxCHECK_MSG(dataViewWidgetPtr != NULL,false,"Pointer to native control must not be NULL.");
if (wxDataViewCtrlBase::AssociateModel(model) && dataViewWidgetPtr->AssociateModel(model))
{
if (model != NULL)
model->AddNotifier(new wxOSXDataViewModelNotifier(this));
return true;
}
else
return false;
}
bool wxDataViewCtrl::InsertColumn(unsigned int pos, wxDataViewColumn* columnPtr)
{
wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
// first, some error checking:
wxCHECK_MSG(dataViewWidgetPtr != NULL, false,"Pointer to native control must not be NULL.");
wxCHECK_MSG(columnPtr != NULL, false,"Column pointer must not be NULL.");
wxCHECK_MSG(columnPtr->GetRenderer() != NULL, false,"Column does not have a renderer.");
wxCHECK_MSG(GetModel() != NULL, false,"No model associated with control.");
wxCHECK_MSG(columnPtr->GetModelColumn() < GetModel()->GetColumnCount(),false,"Column's model column has no equivalent in the associated model.");
// add column to wxWidget's internal structure:
if (wxDataViewCtrlBase::InsertColumn(pos,columnPtr))
{
m_ColumnPtrs.Add(columnPtr);
// if the insertion in the native control is successful the rest can also be initialized:
if (dataViewWidgetPtr->InsertColumn(pos,columnPtr))
{
// make sure that the data is up-to-date...
// if the newly appended column is the first column add the initial data to the control and mark the column as an expander column,
// otherwise ask the control to 'update' the data in the newly appended column:
if (GetColumnCount() == 1)
SetExpanderColumn(columnPtr);
// done:
return true;
}
else
{
// clean-up:
m_ColumnPtrs.Remove(columnPtr);
delete columnPtr;
// and send a message in debug mode:
wxFAIL_MSG("Column could not be added to native control.");
// failed:
return false;
}
}
else
{
// clean-up:
delete columnPtr;
wxFAIL_MSG("Could not add column to internal structures.");
// failed:
return false;
}
}
bool wxDataViewCtrl::AssociateModel(wxDataViewModel* model)
{
wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
wxCHECK_MSG(dataViewWidgetPtr != NULL,false,"Pointer to native control must not be NULL.");
// We could have been associated with another model previously, break the
// association in this case.
if ( m_ModelNotifier )
m_ModelNotifier->GetOwner()->RemoveNotifier(m_ModelNotifier);
if (wxDataViewCtrlBase::AssociateModel(model) && dataViewWidgetPtr->AssociateModel(model))
{
if (model != NULL)
{
m_ModelNotifier = new wxOSXDataViewModelNotifier(this);
model->AddNotifier(m_ModelNotifier);
}
return true;
}
else
return false;
}
