bool hasRoute(vector<DirectedGraphNode*> graph,
DirectedGraphNode* s, DirectedGraphNode* t) {
if (s == NULL) return false;
if (vis.find(s) != vis.end()) return false;
vis.insert(s);
if (s->label == t->label) return true;
for (int i = 0; i < s->neighbors.size(); i ++) {
if (hasRoute(graph, s->neighbors[i], t)) {
return true;
}
}
return false;
}
QWidget * DownloadRegionDialog::Private::createSelectionMethodBox()
{
m_visibleRegionMethodButton = new QRadioButton( tr( "Visible region" ) );
m_specifiedRegionMethodButton = new QRadioButton( tr( "Specify region" ) );
m_routeDownloadMethodButton = new QRadioButton( tr( "Download Route" ) );
m_routeDownloadMethodButton->setToolTip( tr( "Enabled when a route exists" ) );
m_routeDownloadMethodButton->setEnabled( hasRoute() );
m_routeDownloadMethodButton->setChecked( hasRoute() );
m_routeOffsetSpinBox = new QDoubleSpinBox();
m_routeOffsetSpinBox->setEnabled( hasRoute() );
m_routeOffsetSpinBox->setRange( minimumRouteOffset, maximumRouteOffset );
int defaultOffset = 500;
m_routeOffsetSpinBox->setValue( defaultOffset );
m_routeOffsetSpinBox->setSingleStep( 100 );
m_routeOffsetSpinBox->setSuffix( " m" );
m_routeOffsetSpinBox->setDecimals( 0 );
m_routeOffsetSpinBox->setAlignment( Qt::AlignRight );
m_routeOffsetLabel = new QLabel( tr( "Offset from route:" ) );
m_routeOffsetLabel->setAlignment( Qt::AlignHCenter );
connect( m_visibleRegionMethodButton, SIGNAL(toggled(bool)),
m_dialog, SLOT(toggleSelectionMethod()) );
connect( m_specifiedRegionMethodButton, SIGNAL(toggled(bool)),
m_dialog, SLOT(toggleSelectionMethod()));
connect( m_routeDownloadMethodButton, SIGNAL(toggled(bool)),
m_dialog, SLOT(toggleSelectionMethod()) );
connect( m_routingModel, SIGNAL(modelReset()), m_dialog, SLOT(updateRouteDialog()) );
connect( m_routingModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
m_dialog, SLOT(updateRouteDialog()) );
connect( m_routingModel, SIGNAL(rowsRemoved(QModelIndex,int,int)),
m_dialog, SLOT(updateRouteDialog()) );
QHBoxLayout *routeOffsetLayout = new QHBoxLayout;
routeOffsetLayout->addWidget( m_routeOffsetLabel );
routeOffsetLayout->insertSpacing( 0, 25 );
routeOffsetLayout->addWidget( m_routeOffsetSpinBox );
QVBoxLayout * const routeLayout = new QVBoxLayout;
routeLayout->addWidget( m_routeDownloadMethodButton );
routeLayout->addLayout( routeOffsetLayout );
QVBoxLayout * const layout = new QVBoxLayout;
layout->addWidget( m_visibleRegionMethodButton );
layout->addLayout( routeLayout );
layout->addWidget( m_specifiedRegionMethodButton );
layout->addWidget( m_latLonBoxWidget );
bool const smallScreen = MarbleGlobal::getInstance()->profiles() & MarbleGlobal::SmallScreen;
m_specifiedRegionMethodButton->setVisible( !smallScreen );
m_latLonBoxWidget->setVisible( !smallScreen );
if ( smallScreen ) {
QWidget * const selectionMethodWidget = new QWidget;
selectionMethodWidget->setLayout( layout );
return selectionMethodWidget;
} else {
QGroupBox * const selectionMethodBox = new QGroupBox( tr( "Selection Method" ) );
selectionMethodBox->setLayout( layout );
return selectionMethodBox;
}
}