inline void reset( const char* const* _items, int _itemLen, char _sep, const char* _states, int _defaultState )
{
/// save previous selection state
std::string states;
if ( _states ) {
states = std::string( _states );
}
/// clear
clear();
/// reset
if ( widget_ && _items && _itemLen > 0 ) {
widget_->setSuspendUpdate( true );
widget_->itemIndices().reserve( _itemLen );
int stateLen( static_cast< int >( states.size() ) );
QTreeWidgetItem* parent = NULL;
std::string fullPath;
for ( int idx( 0 ); idx < _itemLen; ++idx ) {
parent = NULL;
fullPath.clear();
/// this variable denotes the item state, also considers the
/// parent nodes
bool itemState( true );
QStringList tokens;
if ( _sep != '\0' ) {
tokens = QStringList( QString::fromStdString( _items[ idx ] ).split( _sep, QString::SkipEmptyParts) );
} else {
tokens = QStringList( QString::fromStdString( _items[ idx ] ) );
}
for ( int tokenIdx( 0 ); tokenIdx < tokens.size(); ++tokenIdx ) {
QString itemStr( tokens.at( tokenIdx ) );
if ( !parent ) {
parent = createWidgetItem( widget_, widget_, itemStr, fullPath, stateLen, states, _defaultState );
} else {
parent = createWidgetItem( parent, parent->child( 0 ), itemStr, fullPath, stateLen, states, _defaultState );
}
if ( parent && itemState && ! parent->checkState( 0 ) ) {
itemState = false;
}
fullPath = fullPath + "/" + itemStr.toStdString();
}
widget_->itemIndices().append( QPair< QString, QTreeWidgetItem* >( fullPath.c_str(), parent ) );
itemStatesStr_.push_back( itemState ? '1' : '0' );
}
widget_->expandAll();
widget_->setSuspendUpdate( false );
}
}
void QtDataXfer::variableUpdated(const unsigned int index,
const std::string& name,
const std::string& description,
const std::string& value,
const bool modifiable)
{
// Don't pass itemChanged signals generated from the following code.
passChangeSignals = false;
// Grow the table this this index if past the last row.
if (index >= static_cast<unsigned int>(table->rowCount())) {
table->setRowCount(index + 1);
}
// Name
table->setItem(index, 0, createWidgetItem(name, false));
// Mutable (checkbox)
// So this is irritating. There's no good way to have an enabled, non-user-editable,
// centered checkbox in a table item. So we create our own layout.
QWidget *pWidget = new QWidget();
QCheckBox *pCheckBox = new QCheckBox();
QHBoxLayout *pLayout = new QHBoxLayout(pWidget);
pLayout->addWidget(pCheckBox);
pLayout->setAlignment(Qt::AlignCenter);
pLayout->setContentsMargins(0, 0, 0, 0);
pWidget->setLayout(pLayout);
pCheckBox->setChecked(modifiable);
pCheckBox->setEnabled(false);
table->setCellWidget(index, 1, pWidget);
// Value
table->setItem(index, 2, createWidgetItem(value, modifiable));
// Description
table->setItem(index, 3, createWidgetItem(description, false));
passChangeSignals = true;
}
