mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-09-08 22:36:40 -04:00
This change incorporates a reorganization of the GUI code with widgets, validators, models, and item delegates being moved to sub-directories. Relax the requirements of the ForeignKeyDelegate and related CandidateKeyFilter classes to allow them to work with constant model pointers for both referenced and referencing models.
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
#include "CandidateKeyFilter.hpp"
|
|
|
|
#include <QModelIndex>
|
|
#include <QAbstractItemModel>
|
|
|
|
#include "pimpl_impl.hpp"
|
|
|
|
class CandidateKeyFilter::impl final
|
|
{
|
|
public:
|
|
explicit impl (int referenced_key_column
|
|
, int referenced_key_role
|
|
, QAbstractItemModel const * referencing_model
|
|
, int referencing_key_column
|
|
, int referencing_key_role)
|
|
: referencing_ {referencing_model}
|
|
, referencing_key_column_ {referencing_key_column}
|
|
, referencing_key_role_ {referencing_key_role}
|
|
, referenced_key_column_ {referenced_key_column}
|
|
, referenced_key_role_ {referenced_key_role}
|
|
{
|
|
}
|
|
|
|
QAbstractItemModel const * referencing_;
|
|
int referencing_key_column_;
|
|
int referencing_key_role_;
|
|
int referenced_key_column_;
|
|
int referenced_key_role_;
|
|
QModelIndex active_key_;
|
|
};
|
|
|
|
CandidateKeyFilter::CandidateKeyFilter (QAbstractItemModel const * referenced_model
|
|
, int referenced_key_column
|
|
, QObject * parent
|
|
, int referenced_key_role)
|
|
: QSortFilterProxyModel {parent}
|
|
, m_ {referenced_key_column, referenced_key_role, nullptr, 0, Qt::EditRole}
|
|
{
|
|
setSourceModel (const_cast<QAbstractItemModel *> (referenced_model));
|
|
}
|
|
|
|
CandidateKeyFilter::CandidateKeyFilter (QAbstractItemModel const * referenced_model
|
|
, QAbstractItemModel const * referencing_model
|
|
, int referenced_key_column
|
|
, int referencing_key_column
|
|
, QObject * parent
|
|
, int referenced_key_role
|
|
, int referencing_key_role)
|
|
: QSortFilterProxyModel {parent}
|
|
, m_ {referenced_key_column, referenced_key_role, referencing_model, referencing_key_column, referencing_key_role}
|
|
{
|
|
setSourceModel (const_cast<QAbstractItemModel *> (referenced_model));
|
|
}
|
|
|
|
CandidateKeyFilter::~CandidateKeyFilter ()
|
|
{
|
|
}
|
|
|
|
void CandidateKeyFilter::set_active_key (QModelIndex const& index)
|
|
{
|
|
if (m_->referencing_)
|
|
{
|
|
if (index.isValid () )
|
|
{
|
|
Q_ASSERT (index.column () == m_->referencing_key_column_);
|
|
m_->active_key_ = index;
|
|
}
|
|
invalidateFilter ();
|
|
}
|
|
}
|
|
|
|
bool CandidateKeyFilter::filterAcceptsRow (int candidate_row, QModelIndex const& candidate_parent) const
|
|
{
|
|
if (!m_->referencing_) // many to many passes all
|
|
{
|
|
return true;
|
|
}
|
|
|
|
auto candidate_key = sourceModel ()->index (candidate_row, m_->referenced_key_column_, candidate_parent).data (m_->referenced_key_role_);
|
|
|
|
// Include the current key.
|
|
if (m_->active_key_.isValid () && candidate_key == m_->active_key_.data (m_->referencing_key_role_))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// Filter out any candidates already in the referencing key rows.
|
|
return m_->referencing_->match (m_->referencing_->index (0, m_->referencing_key_column_), m_->referencing_key_role_, candidate_key, 1, Qt::MatchExactly).isEmpty ();
|
|
}
|