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qgsprocessingwidgetwrapperimpl.cpp
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qgsprocessingwidgetwrapperimpl.cpp
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/***************************************************************************
qgsprocessingwidgetwrapperimpl.cpp
---------------------
begin : August 2018
copyright : (C) 2018 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsprocessingwidgetwrapperimpl.h"
#include "qgsprocessingparameters.h"
#include "processing/models/qgsprocessingmodelalgorithm.h"
#include "qgsprocessingoutputs.h"
#include "qgsprojectionselectionwidget.h"
#include "qgsprocessingmatrixparameterdialog.h"
#include "qgsspinbox.h"
#include "qgsdoublespinbox.h"
#include "qgsprocessingcontext.h"
#include "qgsauthconfigselect.h"
#include "qgsapplication.h"
#include "qgsfilewidget.h"
#include "qgssettings.h"
#include "qgsexpressionlineedit.h"
#include "qgsfieldexpressionwidget.h"
#include "qgsexpressionbuilderwidget.h"
#include "qgsprocessingmultipleselectiondialog.h"
#include "qgslayoutmanager.h"
#include "qgsproject.h"
#include "qgslayoutcombobox.h"
#include "qgslayoutitemcombobox.h"
#include "qgsprintlayout.h"
#include "qgsscalewidget.h"
#include "qgssnapindicator.h"
#include "qgsmapmouseevent.h"
#include "qgsfilterlineedit.h"
#include "qgsmapcanvas.h"
#include "qgsmessagebar.h"
#include "qgscolorbutton.h"
#include "qgscoordinateoperationwidget.h"
#include "qgsdatumtransformdialog.h"
#include "qgsfieldcombobox.h"
#include "qgsmapthemecollection.h"
#include "qgsdatetimeedit.h"
#include "qgsproviderconnectioncombobox.h"
#include "qgsdatabaseschemacombobox.h"
#include "qgsdatabasetablecombobox.h"
#include "qgsextentwidget.h"
#include "qgsprocessingenummodelerwidget.h"
#include "qgsprocessingmatrixmodelerwidget.h"
#include "qgsprocessingmaplayercombobox.h"
#include "qgsrasterbandcombobox.h"
#include "qgsprocessingoutputdestinationwidget.h"
#include "qgscheckablecombobox.h"
#include <QToolButton>
#include <QLabel>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QCheckBox>
#include <QComboBox>
#include <QLineEdit>
#include <QPlainTextEdit>
#include <QRadioButton>
#include <QButtonGroup>
#include <QMenu>
#include <QFileDialog>
///@cond PRIVATE
//
// QgsProcessingBooleanWidgetWrapper
//
QgsProcessingBooleanParameterDefinitionWidget::QgsProcessingBooleanParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm, QWidget *parent )
: QgsProcessingAbstractParameterDefinitionWidget( context, widgetContext, definition, algorithm, parent )
{
QVBoxLayout *vlayout = new QVBoxLayout();
vlayout->setContentsMargins( 0, 0, 0, 0 );
mDefaultCheckBox = new QCheckBox( tr( "Checked" ) );
if ( const QgsProcessingParameterBoolean *boolParam = dynamic_cast<const QgsProcessingParameterBoolean *>( definition ) )
mDefaultCheckBox->setChecked( QgsProcessingParameters::parameterAsBool( boolParam, boolParam->defaultValueForGui(), context ) );
else
mDefaultCheckBox->setChecked( false );
vlayout->addWidget( mDefaultCheckBox );
setLayout( vlayout );
}
QgsProcessingParameterDefinition *QgsProcessingBooleanParameterDefinitionWidget::createParameter( const QString &name, const QString &description, QgsProcessingParameterDefinition::Flags flags ) const
{
auto param = qgis::make_unique< QgsProcessingParameterBoolean >( name, description, mDefaultCheckBox->isChecked() );
param->setFlags( flags );
return param.release();
}
QgsProcessingBooleanWidgetWrapper::QgsProcessingBooleanWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type, QWidget *parent )
: QgsAbstractProcessingParameterWidgetWrapper( parameter, type, parent )
{
}
QWidget *QgsProcessingBooleanWidgetWrapper::createWidget()
{
switch ( type() )
{
case QgsProcessingGui::Standard:
{
QString description = parameterDefinition()->description();
if ( parameterDefinition()->flags() & QgsProcessingParameterDefinition::FlagOptional )
description = QObject::tr( "%1 [optional]" ).arg( description );
mCheckBox = new QCheckBox( description );
mCheckBox->setToolTip( parameterDefinition()->toolTip() );
connect( mCheckBox, &QCheckBox::toggled, this, [ = ]
{
emit widgetValueHasChanged( this );
} );
return mCheckBox;
}
case QgsProcessingGui::Batch:
case QgsProcessingGui::Modeler:
{
mComboBox = new QComboBox();
mComboBox->addItem( tr( "Yes" ), true );
mComboBox->addItem( tr( "No" ), false );
mComboBox->setToolTip( parameterDefinition()->toolTip() );
connect( mComboBox, qgis::overload< int>::of( &QComboBox::currentIndexChanged ), this, [ = ]
{
emit widgetValueHasChanged( this );
} );
return mComboBox;
}
}
return nullptr;
}
QLabel *QgsProcessingBooleanWidgetWrapper::createLabel()
{
// avoid creating labels in standard dialogs
if ( type() == QgsProcessingGui::Standard )
return nullptr;
else
return QgsAbstractProcessingParameterWidgetWrapper::createLabel();
}
void QgsProcessingBooleanWidgetWrapper::setWidgetValue( const QVariant &value, QgsProcessingContext &context )
{
switch ( type() )
{
case QgsProcessingGui::Standard:
{
const bool v = QgsProcessingParameters::parameterAsBool( parameterDefinition(), value, context );
mCheckBox->setChecked( v );
break;
}
case QgsProcessingGui::Batch:
case QgsProcessingGui::Modeler:
{
const bool v = QgsProcessingParameters::parameterAsBool( parameterDefinition(), value, context );
mComboBox->setCurrentIndex( mComboBox->findData( v ) );
break;
}
}
}
QVariant QgsProcessingBooleanWidgetWrapper::widgetValue() const
{
switch ( type() )
{
case QgsProcessingGui::Standard:
return mCheckBox->isChecked();
case QgsProcessingGui::Batch:
case QgsProcessingGui::Modeler:
return mComboBox->currentData();
}
return QVariant();
}
QStringList QgsProcessingBooleanWidgetWrapper::compatibleParameterTypes() const
{
//pretty much everything is compatible here and can be converted to a bool!
return QStringList() << QgsProcessingParameterBoolean::typeName()
<< QgsProcessingParameterString::typeName()
<< QgsProcessingParameterNumber::typeName()
<< QgsProcessingParameterDistance::typeName()
<< QgsProcessingParameterScale::typeName()
<< QgsProcessingParameterFile::typeName()
<< QgsProcessingParameterField::typeName()
<< QgsProcessingParameterFeatureSource::typeName()
<< QgsProcessingParameterMapLayer::typeName()
<< QgsProcessingParameterRasterLayer::typeName()
<< QgsProcessingParameterVectorLayer::typeName()
<< QgsProcessingParameterMeshLayer::typeName()
<< QgsProcessingParameterExpression::typeName()
<< QgsProcessingParameterProviderConnection::typeName();
}
QStringList QgsProcessingBooleanWidgetWrapper::compatibleOutputTypes() const
{
return QStringList() << QgsProcessingOutputNumber::typeName()
<< QgsProcessingOutputMapLayer::typeName()
<< QgsProcessingOutputFile::typeName()
<< QgsProcessingOutputRasterLayer::typeName()
<< QgsProcessingOutputVectorLayer::typeName()
<< QgsProcessingOutputString::typeName()
<< QgsProcessingOutputBoolean::typeName();
}
QString QgsProcessingBooleanWidgetWrapper::parameterType() const
{
return QgsProcessingParameterBoolean::typeName();
}
QgsAbstractProcessingParameterWidgetWrapper *QgsProcessingBooleanWidgetWrapper::createWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type )
{
return new QgsProcessingBooleanWidgetWrapper( parameter, type );
}
QgsProcessingAbstractParameterDefinitionWidget *QgsProcessingBooleanWidgetWrapper::createParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm )
{
return new QgsProcessingBooleanParameterDefinitionWidget( context, widgetContext, definition, algorithm );
}
//
// QgsProcessingCrsWidgetWrapper
//
QgsProcessingCrsParameterDefinitionWidget::QgsProcessingCrsParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm, QWidget *parent )
: QgsProcessingAbstractParameterDefinitionWidget( context, widgetContext, definition, algorithm, parent )
{
QVBoxLayout *vlayout = new QVBoxLayout();
vlayout->setContentsMargins( 0, 0, 0, 0 );
vlayout->addWidget( new QLabel( tr( "Default value" ) ) );
mCrsSelector = new QgsProjectionSelectionWidget();
if ( const QgsProcessingParameterCrs *crsParam = dynamic_cast<const QgsProcessingParameterCrs *>( definition ) )
mCrsSelector->setCrs( QgsProcessingParameters::parameterAsCrs( crsParam, crsParam->defaultValueForGui(), context ) );
else
mCrsSelector->setCrs( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) );
vlayout->addWidget( mCrsSelector );
setLayout( vlayout );
}
QgsProcessingParameterDefinition *QgsProcessingCrsParameterDefinitionWidget::createParameter( const QString &name, const QString &description, QgsProcessingParameterDefinition::Flags flags ) const
{
auto param = qgis::make_unique< QgsProcessingParameterCrs >( name, description, mCrsSelector->crs().authid() );
param->setFlags( flags );
return param.release();
}
QgsProcessingCrsWidgetWrapper::QgsProcessingCrsWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type, QWidget *parent )
: QgsAbstractProcessingParameterWidgetWrapper( parameter, type, parent )
{
}
QWidget *QgsProcessingCrsWidgetWrapper::createWidget()
{
Q_ASSERT( mProjectionSelectionWidget == nullptr );
mProjectionSelectionWidget = new QgsProjectionSelectionWidget();
mProjectionSelectionWidget->setToolTip( parameterDefinition()->toolTip() );
if ( parameterDefinition()->flags() & QgsProcessingParameterDefinition::FlagOptional )
mProjectionSelectionWidget->setOptionVisible( QgsProjectionSelectionWidget::CrsNotSet, true );
else
mProjectionSelectionWidget->setOptionVisible( QgsProjectionSelectionWidget::CrsNotSet, false );
connect( mProjectionSelectionWidget, &QgsProjectionSelectionWidget::crsChanged, this, [ = ]
{
emit widgetValueHasChanged( this );
} );
switch ( type() )
{
case QgsProcessingGui::Standard:
case QgsProcessingGui::Batch:
{
return mProjectionSelectionWidget;
}
case QgsProcessingGui::Modeler:
{
QWidget *w = new QWidget();
w->setToolTip( parameterDefinition()->toolTip() );
QVBoxLayout *vl = new QVBoxLayout();
vl->setContentsMargins( 0, 0, 0, 0 );
w->setLayout( vl );
mUseProjectCrsCheckBox = new QCheckBox( tr( "Use project CRS" ) );
mUseProjectCrsCheckBox->setToolTip( tr( "Always use the current project CRS when running the model" ) );
vl->addWidget( mUseProjectCrsCheckBox );
connect( mUseProjectCrsCheckBox, &QCheckBox::toggled, mProjectionSelectionWidget, &QgsProjectionSelectionWidget::setDisabled );
connect( mUseProjectCrsCheckBox, &QCheckBox::toggled, this, [ = ]
{
emit widgetValueHasChanged( this );
} );
vl->addWidget( mProjectionSelectionWidget );
return w;
}
}
return nullptr;
}
void QgsProcessingCrsWidgetWrapper::setWidgetValue( const QVariant &value, QgsProcessingContext &context )
{
if ( mUseProjectCrsCheckBox )
{
if ( value.toString().compare( QLatin1String( "ProjectCrs" ), Qt::CaseInsensitive ) == 0 )
{
mUseProjectCrsCheckBox->setChecked( true );
return;
}
else
{
mUseProjectCrsCheckBox->setChecked( false );
}
}
const QgsCoordinateReferenceSystem v = QgsProcessingParameters::parameterAsCrs( parameterDefinition(), value, context );
if ( mProjectionSelectionWidget )
mProjectionSelectionWidget->setCrs( v );
}
QVariant QgsProcessingCrsWidgetWrapper::widgetValue() const
{
if ( mUseProjectCrsCheckBox && mUseProjectCrsCheckBox->isChecked() )
return QStringLiteral( "ProjectCrs" );
else if ( mProjectionSelectionWidget )
return mProjectionSelectionWidget->crs().isValid() ? mProjectionSelectionWidget->crs() : QVariant();
else
return QVariant();
}
QStringList QgsProcessingCrsWidgetWrapper::compatibleParameterTypes() const
{
return QStringList()
<< QgsProcessingParameterCrs::typeName()
<< QgsProcessingParameterExpression::typeName()
<< QgsProcessingParameterString::typeName()
<< QgsProcessingParameterRasterLayer::typeName()
<< QgsProcessingParameterVectorLayer::typeName()
<< QgsProcessingParameterMeshLayer::typeName()
<< QgsProcessingParameterFeatureSource::typeName();
}
QStringList QgsProcessingCrsWidgetWrapper::compatibleOutputTypes() const
{
return QStringList() << QgsProcessingOutputVectorLayer::typeName()
<< QgsProcessingOutputRasterLayer::typeName()
<< QgsProcessingOutputMapLayer::typeName()
<< QgsProcessingOutputString::typeName();
}
QString QgsProcessingCrsWidgetWrapper::modelerExpressionFormatString() const
{
return tr( "string as EPSG code, WKT or PROJ format, or a string identifying a map layer" );
}
QString QgsProcessingCrsWidgetWrapper::parameterType() const
{
return QgsProcessingParameterCrs::typeName();
}
QgsAbstractProcessingParameterWidgetWrapper *QgsProcessingCrsWidgetWrapper::createWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type )
{
return new QgsProcessingCrsWidgetWrapper( parameter, type );
}
QgsProcessingAbstractParameterDefinitionWidget *QgsProcessingCrsWidgetWrapper::createParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm )
{
return new QgsProcessingCrsParameterDefinitionWidget( context, widgetContext, definition, algorithm );
}
//
// QgsProcessingStringWidgetWrapper
//
QgsProcessingStringParameterDefinitionWidget::QgsProcessingStringParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm, QWidget *parent )
: QgsProcessingAbstractParameterDefinitionWidget( context, widgetContext, definition, algorithm, parent )
{
QVBoxLayout *vlayout = new QVBoxLayout();
vlayout->setContentsMargins( 0, 0, 0, 0 );
vlayout->addWidget( new QLabel( tr( "Default value" ) ) );
mDefaultLineEdit = new QLineEdit();
if ( const QgsProcessingParameterString *stringParam = dynamic_cast<const QgsProcessingParameterString *>( definition ) )
mDefaultLineEdit->setText( QgsProcessingParameters::parameterAsString( stringParam, stringParam->defaultValueForGui(), context ) );
vlayout->addWidget( mDefaultLineEdit );
mMultiLineCheckBox = new QCheckBox( tr( "Multiline input" ) );
if ( const QgsProcessingParameterString *stringParam = dynamic_cast<const QgsProcessingParameterString *>( definition ) )
mMultiLineCheckBox->setChecked( stringParam->multiLine() );
vlayout->addWidget( mMultiLineCheckBox );
setLayout( vlayout );
}
QgsProcessingParameterDefinition *QgsProcessingStringParameterDefinitionWidget::createParameter( const QString &name, const QString &description, QgsProcessingParameterDefinition::Flags flags ) const
{
auto param = qgis::make_unique< QgsProcessingParameterString >( name, description, mDefaultLineEdit->text(), mMultiLineCheckBox->isChecked() );
param->setFlags( flags );
return param.release();
}
QgsProcessingStringWidgetWrapper::QgsProcessingStringWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type, QWidget *parent )
: QgsAbstractProcessingParameterWidgetWrapper( parameter, type, parent )
{
}
QWidget *QgsProcessingStringWidgetWrapper::createWidget()
{
switch ( type() )
{
case QgsProcessingGui::Standard:
case QgsProcessingGui::Modeler:
{
if ( static_cast< const QgsProcessingParameterString * >( parameterDefinition() )->multiLine() )
{
mPlainTextEdit = new QPlainTextEdit();
mPlainTextEdit->setToolTip( parameterDefinition()->toolTip() );
connect( mPlainTextEdit, &QPlainTextEdit::textChanged, this, [ = ]
{
emit widgetValueHasChanged( this );
} );
return mPlainTextEdit;
}
else
{
mLineEdit = new QLineEdit();
mLineEdit->setToolTip( parameterDefinition()->toolTip() );
connect( mLineEdit, &QLineEdit::textChanged, this, [ = ]
{
emit widgetValueHasChanged( this );
} );
return mLineEdit;
}
}
case QgsProcessingGui::Batch:
{
mLineEdit = new QLineEdit();
mLineEdit->setToolTip( parameterDefinition()->toolTip() );
connect( mLineEdit, &QLineEdit::textChanged, this, [ = ]
{
emit widgetValueHasChanged( this );
} );
return mLineEdit;
}
}
return nullptr;
}
void QgsProcessingStringWidgetWrapper::setWidgetValue( const QVariant &value, QgsProcessingContext &context )
{
const QString v = QgsProcessingParameters::parameterAsString( parameterDefinition(), value, context );
if ( mLineEdit )
mLineEdit->setText( v );
if ( mPlainTextEdit )
mPlainTextEdit->setPlainText( v );
}
QVariant QgsProcessingStringWidgetWrapper::widgetValue() const
{
if ( mLineEdit )
return mLineEdit->text();
else if ( mPlainTextEdit )
return mPlainTextEdit->toPlainText();
else
return QVariant();
}
QStringList QgsProcessingStringWidgetWrapper::compatibleParameterTypes() const
{
return QStringList()
<< QgsProcessingParameterString::typeName()
<< QgsProcessingParameterAuthConfig::typeName()
<< QgsProcessingParameterNumber::typeName()
<< QgsProcessingParameterDistance::typeName()
<< QgsProcessingParameterScale::typeName()
<< QgsProcessingParameterFile::typeName()
<< QgsProcessingParameterField::typeName()
<< QgsProcessingParameterExpression::typeName()
<< QgsProcessingParameterCoordinateOperation::typeName()
<< QgsProcessingParameterProviderConnection::typeName();
}
QStringList QgsProcessingStringWidgetWrapper::compatibleOutputTypes() const
{
return QStringList() << QgsProcessingOutputNumber::typeName()
<< QgsProcessingOutputFile::typeName()
<< QgsProcessingOutputFolder::typeName()
<< QgsProcessingOutputString::typeName();
}
QString QgsProcessingStringWidgetWrapper::parameterType() const
{
return QgsProcessingParameterString::typeName();
}
QgsAbstractProcessingParameterWidgetWrapper *QgsProcessingStringWidgetWrapper::createWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type )
{
return new QgsProcessingStringWidgetWrapper( parameter, type );
}
QgsProcessingAbstractParameterDefinitionWidget *QgsProcessingStringWidgetWrapper::createParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm )
{
return new QgsProcessingStringParameterDefinitionWidget( context, widgetContext, definition, algorithm );
}
//
// QgsProcessingAuthConfigWidgetWrapper
//
QgsProcessingAuthConfigWidgetWrapper::QgsProcessingAuthConfigWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type, QWidget *parent )
: QgsAbstractProcessingParameterWidgetWrapper( parameter, type, parent )
{
}
QWidget *QgsProcessingAuthConfigWidgetWrapper::createWidget()
{
switch ( type() )
{
case QgsProcessingGui::Standard:
case QgsProcessingGui::Modeler:
case QgsProcessingGui::Batch:
{
mAuthConfigSelect = new QgsAuthConfigSelect();
mAuthConfigSelect->setToolTip( parameterDefinition()->toolTip() );
connect( mAuthConfigSelect, &QgsAuthConfigSelect::selectedConfigIdChanged, this, [ = ]
{
emit widgetValueHasChanged( this );
} );
return mAuthConfigSelect;
}
}
return nullptr;
}
void QgsProcessingAuthConfigWidgetWrapper::setWidgetValue( const QVariant &value, QgsProcessingContext &context )
{
const QString v = QgsProcessingParameters::parameterAsString( parameterDefinition(), value, context );
if ( mAuthConfigSelect )
mAuthConfigSelect->setConfigId( v );
}
QVariant QgsProcessingAuthConfigWidgetWrapper::widgetValue() const
{
if ( mAuthConfigSelect )
return mAuthConfigSelect->configId();
else
return QVariant();
}
QStringList QgsProcessingAuthConfigWidgetWrapper::compatibleParameterTypes() const
{
return QStringList()
<< QgsProcessingParameterAuthConfig::typeName()
<< QgsProcessingParameterString::typeName()
<< QgsProcessingParameterExpression::typeName();
}
QStringList QgsProcessingAuthConfigWidgetWrapper::compatibleOutputTypes() const
{
return QStringList() << QgsProcessingOutputString::typeName();
}
QString QgsProcessingAuthConfigWidgetWrapper::parameterType() const
{
return QgsProcessingParameterAuthConfig::typeName();
}
QgsAbstractProcessingParameterWidgetWrapper *QgsProcessingAuthConfigWidgetWrapper::createWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type )
{
return new QgsProcessingAuthConfigWidgetWrapper( parameter, type );
}
//
// QgsProcessingNumericWidgetWrapper
//
QgsProcessingNumberParameterDefinitionWidget::QgsProcessingNumberParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm, QWidget *parent )
: QgsProcessingAbstractParameterDefinitionWidget( context, widgetContext, definition, algorithm, parent )
{
QVBoxLayout *vlayout = new QVBoxLayout();
vlayout->setContentsMargins( 0, 0, 0, 0 );
vlayout->addWidget( new QLabel( tr( "Number type" ) ) );
mTypeComboBox = new QComboBox();
mTypeComboBox->addItem( tr( "Float" ), QgsProcessingParameterNumber::Double );
mTypeComboBox->addItem( tr( "Integer" ), QgsProcessingParameterNumber::Integer );
vlayout->addWidget( mTypeComboBox );
vlayout->addWidget( new QLabel( tr( "Minimum value" ) ) );
mMinLineEdit = new QLineEdit();
vlayout->addWidget( mMinLineEdit );
vlayout->addWidget( new QLabel( tr( "Maximum value" ) ) );
mMaxLineEdit = new QLineEdit();
vlayout->addWidget( mMaxLineEdit );
vlayout->addWidget( new QLabel( tr( "Default value" ) ) );
mDefaultLineEdit = new QLineEdit();
vlayout->addWidget( mDefaultLineEdit );
if ( const QgsProcessingParameterNumber *numberParam = dynamic_cast<const QgsProcessingParameterNumber *>( definition ) )
{
mTypeComboBox->setCurrentIndex( mTypeComboBox->findData( numberParam->dataType() ) );
mMinLineEdit->setText( QString::number( numberParam->minimum() ) );
mMaxLineEdit->setText( QString::number( numberParam->maximum() ) );
mDefaultLineEdit->setText( numberParam->defaultValueForGui().toString() );
}
setLayout( vlayout );
}
QgsProcessingParameterDefinition *QgsProcessingNumberParameterDefinitionWidget::createParameter( const QString &name, const QString &description, QgsProcessingParameterDefinition::Flags flags ) const
{
bool ok;
double val = mDefaultLineEdit->text().toDouble( &ok );
QgsProcessingParameterNumber::Type dataType = static_cast< QgsProcessingParameterNumber::Type >( mTypeComboBox->currentData().toInt() );
auto param = qgis::make_unique< QgsProcessingParameterNumber >( name, description, dataType, ok ? val : QVariant() );
val = mMinLineEdit->text().toDouble( &ok );
if ( ok )
{
param->setMinimum( val );
}
val = mMaxLineEdit->text().toDouble( &ok );
if ( ok )
{
param->setMaximum( val );
}
param->setFlags( flags );
return param.release();
}
QgsProcessingNumericWidgetWrapper::QgsProcessingNumericWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type, QWidget *parent )
: QgsAbstractProcessingParameterWidgetWrapper( parameter, type, parent )
{
}
QWidget *QgsProcessingNumericWidgetWrapper::createWidget()
{
const QgsProcessingParameterNumber *numberDef = static_cast< const QgsProcessingParameterNumber * >( parameterDefinition() );
const QVariantMap metadata = numberDef->metadata();
const int decimals = metadata.value( QStringLiteral( "widget_wrapper" ) ).toMap().value( QStringLiteral( "decimals" ), 6 ).toInt();
switch ( type() )
{
case QgsProcessingGui::Standard:
case QgsProcessingGui::Modeler:
case QgsProcessingGui::Batch:
{
// lots of duplicate code here -- but there's no common interface between QSpinBox/QDoubleSpinBox which would allow us to avoid this
QAbstractSpinBox *spinBox = nullptr;
switch ( numberDef->dataType() )
{
case QgsProcessingParameterNumber::Double:
mDoubleSpinBox = new QgsDoubleSpinBox();
mDoubleSpinBox->setExpressionsEnabled( true );
mDoubleSpinBox->setDecimals( decimals );
// guess reasonable step value for double spin boxes
if ( !qgsDoubleNear( numberDef->maximum(), std::numeric_limits<double>::max() ) &&
!qgsDoubleNear( numberDef->minimum(), std::numeric_limits<double>::lowest() + 1 ) )
{
double singleStep = calculateStep( numberDef->minimum(), numberDef->maximum() );
singleStep = std::max( singleStep, std::pow( 10, -decimals ) );
mDoubleSpinBox->setSingleStep( singleStep );
}
spinBox = mDoubleSpinBox;
break;
case QgsProcessingParameterNumber::Integer:
mSpinBox = new QgsSpinBox();
mSpinBox->setExpressionsEnabled( true );
spinBox = mSpinBox;
break;
}
spinBox->setToolTip( parameterDefinition()->toolTip() );
double max = 999999999;
if ( !qgsDoubleNear( numberDef->maximum(), std::numeric_limits<double>::max() ) )
{
max = numberDef->maximum();
}
double min = -999999999;
if ( !qgsDoubleNear( numberDef->minimum(), std::numeric_limits<double>::lowest() ) )
{
min = numberDef->minimum();
}
if ( mDoubleSpinBox )
{
mDoubleSpinBox->setMinimum( min );
mDoubleSpinBox->setMaximum( max );
}
else
{
mSpinBox->setMinimum( static_cast< int >( min ) );
mSpinBox->setMaximum( static_cast< int >( max ) );
}
if ( numberDef->flags() & QgsProcessingParameterDefinition::FlagOptional )
{
mAllowingNull = true;
if ( mDoubleSpinBox )
{
mDoubleSpinBox->setShowClearButton( true );
const double min = mDoubleSpinBox->minimum() - 1;
mDoubleSpinBox->setMinimum( min );
mDoubleSpinBox->setValue( min );
}
else
{
mSpinBox->setShowClearButton( true );
const int min = mSpinBox->minimum() - 1;
mSpinBox->setMinimum( min );
mSpinBox->setValue( min );
}
spinBox->setSpecialValueText( tr( "Not set" ) );
}
else
{
if ( numberDef->defaultValueForGui().isValid() )
{
// if default value for parameter, we clear to that
bool ok = false;
if ( mDoubleSpinBox )
{
double defaultVal = numberDef->defaultValueForGui().toDouble( &ok );
if ( ok )
mDoubleSpinBox->setClearValue( defaultVal );
}
else
{
int intVal = numberDef->defaultValueForGui().toInt( &ok );
if ( ok )
mSpinBox->setClearValue( intVal );
}
}
else if ( !qgsDoubleNear( numberDef->minimum(), std::numeric_limits<double>::lowest() ) )
{
// otherwise we clear to the minimum, if it's set
if ( mDoubleSpinBox )
mDoubleSpinBox->setClearValue( numberDef->minimum() );
else
mSpinBox->setClearValue( static_cast< int >( numberDef->minimum() ) );
}
else
{
// last resort, we clear to 0
if ( mDoubleSpinBox )
{
mDoubleSpinBox->setValue( 0 );
mDoubleSpinBox->setClearValue( 0 );
}
else
{
mSpinBox->setValue( 0 );
mSpinBox->setClearValue( 0 );
}
}
}
if ( mDoubleSpinBox )
connect( mDoubleSpinBox, qgis::overload<double>::of( &QgsDoubleSpinBox::valueChanged ), this, [ = ] { emit widgetValueHasChanged( this ); } );
else if ( mSpinBox )
connect( mSpinBox, qgis::overload<int>::of( &QgsSpinBox::valueChanged ), this, [ = ] { emit widgetValueHasChanged( this ); } );
return spinBox;
}
}
return nullptr;
}
void QgsProcessingNumericWidgetWrapper::setWidgetValue( const QVariant &value, QgsProcessingContext &context )
{
if ( mDoubleSpinBox )
{
if ( mAllowingNull && !value.isValid() )
mDoubleSpinBox->clear();
else
{
const double v = QgsProcessingParameters::parameterAsDouble( parameterDefinition(), value, context );
mDoubleSpinBox->setValue( v );
}
}
else if ( mSpinBox )
{
if ( mAllowingNull && !value.isValid() )
mSpinBox->clear();
else
{
const int v = QgsProcessingParameters::parameterAsInt( parameterDefinition(), value, context );
mSpinBox->setValue( v );
}
}
}
QVariant QgsProcessingNumericWidgetWrapper::widgetValue() const
{
if ( mDoubleSpinBox )
{
if ( mAllowingNull && qgsDoubleNear( mDoubleSpinBox->value(), mDoubleSpinBox->minimum() ) )
return QVariant();
else
return mDoubleSpinBox->value();
}
else if ( mSpinBox )
{
if ( mAllowingNull && mSpinBox->value() == mSpinBox->minimum() )
return QVariant();
else
return mSpinBox->value();
}
else
return QVariant();
}
QStringList QgsProcessingNumericWidgetWrapper::compatibleParameterTypes() const
{
return QStringList()
<< QgsProcessingParameterString::typeName()
<< QgsProcessingParameterNumber::typeName()
<< QgsProcessingParameterDistance::typeName()
<< QgsProcessingParameterScale::typeName();
}
QStringList QgsProcessingNumericWidgetWrapper::compatibleOutputTypes() const
{
return QStringList() << QgsProcessingOutputNumber::typeName()
<< QgsProcessingOutputString::typeName();
}
double QgsProcessingNumericWidgetWrapper::calculateStep( const double minimum, const double maximum )
{
const double valueRange = maximum - minimum;
if ( valueRange <= 1.0 )
{
const double step = valueRange / 10.0;
// round to 1 significant figure
return qgsRound( step, -std::floor( std::log( step ) ) );
}
else
{
return 1.0;
}
}
QString QgsProcessingNumericWidgetWrapper::parameterType() const
{
return QgsProcessingParameterNumber::typeName();
}
QgsAbstractProcessingParameterWidgetWrapper *QgsProcessingNumericWidgetWrapper::createWidgetWrapper( const QgsProcessingParameterDefinition *parameter, QgsProcessingGui::WidgetType type )
{
return new QgsProcessingNumericWidgetWrapper( parameter, type );
}
QgsProcessingAbstractParameterDefinitionWidget *QgsProcessingNumericWidgetWrapper::createParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm )
{
return new QgsProcessingNumberParameterDefinitionWidget( context, widgetContext, definition, algorithm );
}
//
// QgsProcessingDistanceWidgetWrapper
//
QgsProcessingDistanceParameterDefinitionWidget::QgsProcessingDistanceParameterDefinitionWidget( QgsProcessingContext &context, const QgsProcessingParameterWidgetContext &widgetContext, const QgsProcessingParameterDefinition *definition, const QgsProcessingAlgorithm *algorithm, QWidget *parent )
: QgsProcessingAbstractParameterDefinitionWidget( context, widgetContext, definition, algorithm, parent )
{
QVBoxLayout *vlayout = new QVBoxLayout();
vlayout->setContentsMargins( 0, 0, 0, 0 );
vlayout->addWidget( new QLabel( tr( "Linked input" ) ) );
mParentLayerComboBox = new QComboBox();
QString initialParent;
if ( const QgsProcessingParameterDistance *distParam = dynamic_cast<const QgsProcessingParameterDistance *>( definition ) )
initialParent = distParam->parentParameterName();
if ( auto *lModel = widgetContext.model() )
{
// populate combo box with other model input choices
const QMap<QString, QgsProcessingModelParameter> components = lModel->parameterComponents();
for ( auto it = components.constBegin(); it != components.constEnd(); ++it )
{
if ( const QgsProcessingParameterFeatureSource *definition = dynamic_cast< const QgsProcessingParameterFeatureSource * >( lModel->parameterDefinition( it.value().parameterName() ) ) )
{
mParentLayerComboBox-> addItem( definition->description(), definition->name() );
if ( !initialParent.isEmpty() && initialParent == definition->name() )
{
mParentLayerComboBox->setCurrentIndex( mParentLayerComboBox->count() - 1 );
}
}
else if ( const QgsProcessingParameterVectorLayer *definition = dynamic_cast< const QgsProcessingParameterVectorLayer * >( lModel->parameterDefinition( it.value().parameterName() ) ) )
{
mParentLayerComboBox-> addItem( definition->description(), definition->name() );
if ( !initialParent.isEmpty() && initialParent == definition->name() )
{
mParentLayerComboBox->setCurrentIndex( mParentLayerComboBox->count() - 1 );
}
}
else if ( const QgsProcessingParameterMapLayer *definition = dynamic_cast< const QgsProcessingParameterMapLayer * >( lModel->parameterDefinition( it.value().parameterName() ) ) )
{
mParentLayerComboBox-> addItem( definition->description(), definition->name() );
if ( !initialParent.isEmpty() && initialParent == definition->name() )
{
mParentLayerComboBox->setCurrentIndex( mParentLayerComboBox->count() - 1 );
}
}
else if ( const QgsProcessingParameterCrs *definition = dynamic_cast< const QgsProcessingParameterCrs * >( lModel->parameterDefinition( it.value().parameterName() ) ) )
{
mParentLayerComboBox-> addItem( definition->description(), definition->name() );
if ( !initialParent.isEmpty() && initialParent == definition->name() )
{
mParentLayerComboBox->setCurrentIndex( mParentLayerComboBox->count() - 1 );
}
}
}
}
if ( mParentLayerComboBox->count() == 0 && !initialParent.isEmpty() )
{
// if no parent candidates found, we just add the existing one as a placeholder
mParentLayerComboBox->addItem( initialParent, initialParent );
mParentLayerComboBox->setCurrentIndex( mParentLayerComboBox->count() - 1 );
}
vlayout->addWidget( mParentLayerComboBox );
vlayout->addWidget( new QLabel( tr( "Minimum value" ) ) );
mMinLineEdit = new QLineEdit();
vlayout->addWidget( mMinLineEdit );
vlayout->addWidget( new QLabel( tr( "Maximum value" ) ) );
mMaxLineEdit = new QLineEdit();
vlayout->addWidget( mMaxLineEdit );
vlayout->addWidget( new QLabel( tr( "Default value" ) ) );
mDefaultLineEdit = new QLineEdit();
vlayout->addWidget( mDefaultLineEdit );
if ( const QgsProcessingParameterDistance *distParam = dynamic_cast<const QgsProcessingParameterDistance *>( definition ) )
{
mMinLineEdit->setText( QString::number( distParam->minimum() ) );
mMaxLineEdit->setText( QString::number( distParam->maximum() ) );
mDefaultLineEdit->setText( distParam->defaultValueForGui().toString() );
}
setLayout( vlayout );
}
QgsProcessingParameterDefinition *QgsProcessingDistanceParameterDefinitionWidget::createParameter( const QString &name, const QString &description, QgsProcessingParameterDefinition::Flags flags ) const
{
bool ok;
double val = mDefaultLineEdit->text().toDouble( &ok );
auto param = qgis::make_unique< QgsProcessingParameterDistance >( name, description, ok ? val : QVariant(), mParentLayerComboBox->currentData().toString() );