QgsFieldExpressionWidget::QgsFieldExpressionWidget( QWidget *parent )
: QWidget( parent )
, mExpressionDialogTitle( tr( "Expression dialog" ) )
, mDa( 0 )
{
QHBoxLayout* layout = new QHBoxLayout( this );
layout->setContentsMargins( 0, 0, 0, 0 );
mCombo = new QComboBox( this );
mCombo->setEditable( true );
mCombo->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Minimum );
mFieldProxyModel = new QgsFieldProxyModel( mCombo );
mFieldProxyModel->sourceFieldModel()->setAllowExpression( true );
mCombo->setModel( mFieldProxyModel );
mButton = new QToolButton( this );
mButton->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
mButton->setIcon( QgsApplication::getThemeIcon( "/mIconExpression.svg" ) );
layout->addWidget( mCombo );
layout->addWidget( mButton );
// give focus to the combo
// hence if the widget is used as a delegate
// it will allow pressing on the expression dialog button
setFocusProxy( mCombo );
connect( mCombo->lineEdit(), SIGNAL( textEdited( QString ) ), this, SLOT( expressionEdited( QString ) ) );
connect( mCombo->lineEdit(), SIGNAL( editingFinished() ), this, SLOT( expressionEditingFinished() ) );
connect( mCombo, SIGNAL( activated( int ) ), this, SLOT( currentFieldChanged() ) );
connect( mButton, SIGNAL( clicked() ), this, SLOT( editExpression() ) );
connect( mCombo->lineEdit(), SIGNAL( returnPressed() ), this, SIGNAL( returnPressed() ) );
}
QgsFieldExpressionWidget::QgsFieldExpressionWidget( QWidget *parent )
: QWidget( parent )
, mExpressionDialogTitle( tr( "Expression dialog" ) )
, mDa( nullptr )
, mExpressionContextCallback( nullptr )
, mExpressionContextCallbackContext( nullptr )
{
QHBoxLayout* layout = new QHBoxLayout( this );
layout->setContentsMargins( 0, 0, 0, 0 );
mCombo = new QComboBox( this );
mCombo->setEditable( true );
mCombo->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Minimum );
int width = mCombo->minimumSizeHint().width();
mCombo->setMinimumWidth( width );
mFieldProxyModel = new QgsFieldProxyModel( mCombo );
mFieldProxyModel->sourceFieldModel()->setAllowExpression( true );
mCombo->setModel( mFieldProxyModel );
mButton = new QToolButton( this );
mButton->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
mButton->setIcon( QgsApplication::getThemeIcon( "/mIconExpression.svg" ) );
layout->addWidget( mCombo );
layout->addWidget( mButton );
// give focus to the combo
// hence if the widget is used as a delegate
// it will allow pressing on the expression dialog button
setFocusProxy( mCombo );
connect( mCombo->lineEdit(), SIGNAL( textEdited( QString ) ), this, SLOT( expressionEdited( QString ) ) );
connect( mCombo->lineEdit(), SIGNAL( editingFinished() ), this, SLOT( expressionEditingFinished() ) );
connect( mCombo, SIGNAL( activated( int ) ), this, SLOT( currentFieldChanged() ) );
connect( mButton, SIGNAL( clicked() ), this, SLOT( editExpression() ) );
connect( mFieldProxyModel, SIGNAL( modelAboutToBeReset() ), this, SLOT( beforeResetModel() ) );
connect( mFieldProxyModel, SIGNAL( modelReset() ), this, SLOT( afterResetModel() ) );
// NW TODO - Fix in 2.6
// connect( mCombo->lineEdit(), SIGNAL( returnPressed() ), this, SIGNAL( returnPressed() ) );
mExpressionContext.reset( new QgsExpressionContext() );
mExpressionContext->appendScope( QgsExpressionContextUtils::globalScope() );
mExpressionContext->appendScope( QgsExpressionContextUtils::projectScope() );
}
QgsValueRelationConfigDlg::QgsValueRelationConfigDlg( QgsVectorLayer* vl, int fieldIdx, QWidget* parent )
: QgsEditorConfigWidget( vl, fieldIdx, parent )
{
setupUi( this );
mLayerName->setFilters( QgsMapLayerProxyModel::VectorLayer );
connect( mLayerName, &QgsMapLayerComboBox::layerChanged, mKeyColumn, &QgsFieldComboBox::setLayer );
connect( mLayerName, &QgsMapLayerComboBox::layerChanged, mValueColumn, &QgsFieldComboBox::setLayer );
connect( mEditExpression, SIGNAL( clicked() ), this, SLOT( editExpression() ) );
connect( mLayerName, SIGNAL( layerChanged( QgsMapLayer* ) ), this, SIGNAL( changed() ) );
connect( mKeyColumn, SIGNAL( currentIndexChanged( int ) ), this, SIGNAL( changed() ) );
connect( mValueColumn, SIGNAL( currentIndexChanged( int ) ), this, SIGNAL( changed() ) );
connect( mAllowMulti, SIGNAL( toggled( bool ) ), this, SIGNAL( changed() ) );
connect( mAllowNull, SIGNAL( toggled( bool ) ), this, SIGNAL( changed() ) );
connect( mOrderByValue, SIGNAL( toggled( bool ) ), this, SIGNAL( changed() ) );
connect( mFilterExpression, SIGNAL( textChanged() ), this, SIGNAL( changed() ) );
connect( mUseCompleter, SIGNAL( toggled( bool ) ), this, SIGNAL( changed() ) );
}
QgsExpressionLineEdit::QgsExpressionLineEdit( QWidget *parent )
: QWidget( parent )
, mLineEdit( nullptr )
, mCodeEditor( nullptr )
, mExpressionDialogTitle( tr( "Expression dialog" ) )
, mDa( nullptr )
, mExpressionContextGenerator( nullptr )
, mLayer( nullptr )
{
mButton = new QToolButton();
mButton->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
mButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mIconExpression.svg" ) ) );
connect( mButton, SIGNAL( clicked() ), this, SLOT( editExpression() ) );
//sets up layout
setMultiLine( false );
mExpressionContext = QgsExpressionContext();
mExpressionContext << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope();
}
