void QgsProjectionSelectionWidget::setOptionVisible( const QgsProjectionSelectionWidget::CrsOption option, const bool visible )
{
int optionIndex = mCrsComboBox->findData( option );
if ( visible && optionIndex < 0 )
{
//add missing CRS option
switch ( option )
{
case QgsProjectionSelectionWidget::LayerCrs:
{
setLayerCrs( mLayerCrs );
return;
}
case QgsProjectionSelectionWidget::ProjectCrs:
{
addProjectCrsOption();
return;
}
case QgsProjectionSelectionWidget::DefaultCrs:
{
addDefaultCrsOption();
return;
}
case QgsProjectionSelectionWidget::CurrentCrs:
{
addCurrentCrsOption();
return;
}
case QgsProjectionSelectionWidget::RecentCrs:
//recently used CRS option cannot be readded
return;
case QgsProjectionSelectionWidget::CrsNotSet:
{
addNotSetOption();
if ( optionVisible( CurrentCrs ) && !mCrs.isValid() )
{
// hide invalid option if not set option is shown
setOptionVisible( CurrentCrs, false );
}
return;
}
}
}
else if ( !visible && optionIndex >= 0 )
{
//remove CRS option
mCrsComboBox->removeItem( optionIndex );
if ( option == CrsNotSet )
{
setOptionVisible( CurrentCrs, true );
}
}
}
QgsProjectionSelectionWidget::QgsProjectionSelectionWidget( QWidget *parent )
: QWidget( parent )
{
mDialog = new QgsGenericProjectionSelector( this );
QHBoxLayout* layout = new QHBoxLayout();
layout->setContentsMargins( 0, 0, 0, 0 );
layout->setSpacing( 0 );
setLayout( layout );
mCrsComboBox = new QComboBox( this );
mCrsComboBox->addItem( tr( "invalid projection" ), QgsProjectionSelectionWidget::CurrentCrs );
mCrsComboBox->setSizePolicy( QSizePolicy::Ignored, QSizePolicy::Preferred );
if ( QgsProject::instance()->readNumEntry( "SpatialRefSys", "/ProjectionsEnabled", 0 ) )
{
//only show project CRS if OTF reprojection is enabled - otherwise the
//CRS stored in the project can be misleading
QString projectCrsString = QgsProject::instance()->readEntry( "SpatialRefSys", "/ProjectCrs" );
mProjectCrs.createFromOgcWmsCrs( projectCrsString );
addProjectCrsOption();
}
QSettings settings;
QString defCrsString = settings.value( "/Projections/projectDefaultCrs", GEO_EPSG_CRS_AUTHID ).toString();
mDefaultCrs.createFromOgcWmsCrs( defCrsString );
if ( mDefaultCrs.authid() != mProjectCrs.authid() )
{
//only show default CRS option if it's different to the project CRS, avoids
//needlessly cluttering the widget
addDefaultCrsOption();
}
addRecentCrs();
layout->addWidget( mCrsComboBox );
mButton = new QToolButton( this );
mButton->setIcon( QgsApplication::getThemeIcon( "mActionSetProjection.svg" ) );
mButton->setToolTip( tr( "Select CRS" ) );
layout->addWidget( mButton );
setFocusPolicy( Qt::StrongFocus );
setFocusProxy( mButton );
connect( mButton, SIGNAL( clicked() ), this, SLOT( selectCrs() ) );
connect( mCrsComboBox, SIGNAL( currentIndexChanged( int ) ), this, SLOT( comboIndexChanged( int ) ) );
}
QgsProjectionSelectionWidget::QgsProjectionSelectionWidget( QWidget *parent )
: QWidget( parent )
{
QHBoxLayout *layout = new QHBoxLayout();
layout->setContentsMargins( 0, 0, 0, 0 );
layout->setSpacing( 6 );
setLayout( layout );
mCrsComboBox = new QComboBox( this );
mCrsComboBox->addItem( tr( "invalid projection" ), QgsProjectionSelectionWidget::CurrentCrs );
mCrsComboBox->setSizePolicy( QSizePolicy::Ignored, QSizePolicy::Preferred );
mProjectCrs = QgsProject::instance()->crs();
addProjectCrsOption();
QgsSettings settings;
mDefaultCrs = QgsCoordinateReferenceSystem( settings.value( QStringLiteral( "/projections/defaultProjectCrs" ), GEO_EPSG_CRS_AUTHID, QgsSettings::App ).toString() );
if ( mDefaultCrs.authid() != mProjectCrs.authid() )
{
//only show default CRS option if it's different to the project CRS, avoids
//needlessly cluttering the widget
addDefaultCrsOption();
}
addRecentCrs();
layout->addWidget( mCrsComboBox );
mButton = new QToolButton( this );
mButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "mActionSetProjection.svg" ) ) );
mButton->setToolTip( tr( "Select CRS" ) );
layout->addWidget( mButton );
setFocusPolicy( Qt::StrongFocus );
setFocusProxy( mButton );
connect( mButton, &QToolButton::clicked, this, &QgsProjectionSelectionWidget::selectCrs );
connect( mCrsComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsProjectionSelectionWidget::comboIndexChanged );
}
void QgsProjectionSelectionWidget::setOptionVisible( const QgsProjectionSelectionWidget::CrsOption option, const bool visible )
{
int optionIndex = mCrsComboBox->findData( option );
if ( visible && optionIndex < 0 )
{
//add missing CRS option
switch ( option )
{
case QgsProjectionSelectionWidget::LayerCrs:
{
setLayerCrs( mLayerCrs );
return;
}
case QgsProjectionSelectionWidget::ProjectCrs:
{
addProjectCrsOption();
return;
}
case QgsProjectionSelectionWidget::DefaultCrs:
{
addDefaultCrsOption();
return;
}
case QgsProjectionSelectionWidget::CurrentCrs:
case QgsProjectionSelectionWidget::RecentCrs:
//current/recently used CRS option cannot be readded
return;
}
}
else if ( !visible && optionIndex >= 0 )
{
//remove CRS option
mCrsComboBox->removeItem( optionIndex );
}
}