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qgsinbuiltlocatorfilters.cpp
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qgsinbuiltlocatorfilters.cpp
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/***************************************************************************
qgsinbuiltlocatorfilters.cpp
----------------------------
begin : May 2017
copyright : (C) 2017 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 <QClipboard>
#include <QMap>
#include <QSpinBox>
#include <QString>
#include <QToolButton>
#include <QUrl>
#include "qgsapplication.h"
#include "qgscoordinatereferencesystem.h"
#include "qgscoordinatetransform.h"
#include "qgscoordinateutils.h"
#include "qgsinbuiltlocatorfilters.h"
#include "qgsproject.h"
#include "qgslayertree.h"
#include "qgsfeedback.h"
#include "qgisapp.h"
#include "qgsmaplayermodel.h"
#include "qgslayoutmanager.h"
#include "qgsmapcanvas.h"
#include "qgsfeatureaction.h"
#include "qgsvectorlayerfeatureiterator.h"
#include "qgsexpressioncontextutils.h"
#include "qgssettings.h"
#include "qgslocatorwidget.h"
QgsLayerTreeLocatorFilter::QgsLayerTreeLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{}
QgsLayerTreeLocatorFilter *QgsLayerTreeLocatorFilter::clone() const
{
return new QgsLayerTreeLocatorFilter();
}
void QgsLayerTreeLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &context, QgsFeedback * )
{
QgsLayerTree *tree = QgsProject::instance()->layerTreeRoot();
const QList<QgsLayerTreeLayer *> layers = tree->findLayers();
for ( QgsLayerTreeLayer *layer : layers )
{
// if the layer is broken, don't include it in the results
if ( ! layer->layer() )
continue;
QgsLocatorResult result;
result.displayString = layer->layer()->name();
result.userData = layer->layerId();
result.icon = QgsMapLayerModel::iconForLayer( layer->layer() );
// return all the layers in case the string query is empty using an equal default score
if ( context.usingPrefix && string.isEmpty() )
{
emit resultFetched( result );
continue;
}
result.score = fuzzyScore( result.displayString, string );
if ( result.score > 0 )
emit resultFetched( result );
}
}
void QgsLayerTreeLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
QString layerId = result.userData.toString();
QgsMapLayer *layer = QgsProject::instance()->mapLayer( layerId );
QgisApp::instance()->setActiveLayer( layer );
}
//
// QgsLayoutLocatorFilter
//
QgsLayoutLocatorFilter::QgsLayoutLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{}
QgsLayoutLocatorFilter *QgsLayoutLocatorFilter::clone() const
{
return new QgsLayoutLocatorFilter();
}
void QgsLayoutLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &context, QgsFeedback * )
{
const QList< QgsMasterLayoutInterface * > layouts = QgsProject::instance()->layoutManager()->layouts();
for ( QgsMasterLayoutInterface *layout : layouts )
{
// if the layout is broken, don't include it in the results
if ( ! layout )
continue;
QgsLocatorResult result;
result.displayString = layout->name();
result.userData = layout->name();
if ( context.usingPrefix && string.isEmpty() )
{
emit resultFetched( result );
continue;
}
result.score = fuzzyScore( result.displayString, string );
if ( result.score > 0 )
emit resultFetched( result );
}
}
void QgsLayoutLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
QString layoutName = result.userData.toString();
QgsMasterLayoutInterface *layout = QgsProject::instance()->layoutManager()->layoutByName( layoutName );
if ( !layout )
return;
QgisApp::instance()->openLayoutDesignerDialog( layout );
}
QgsActionLocatorFilter::QgsActionLocatorFilter( const QList<QWidget *> &parentObjectsForActions, QObject *parent )
: QgsLocatorFilter( parent )
, mActionParents( parentObjectsForActions )
{
setUseWithoutPrefix( false );
}
QgsActionLocatorFilter *QgsActionLocatorFilter::clone() const
{
return new QgsActionLocatorFilter( mActionParents );
}
void QgsActionLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &, QgsFeedback * )
{
// collect results in main thread, since this method is inexpensive and
// accessing the gui actions is not thread safe
QList<QAction *> found;
for ( QWidget *object : qgis::as_const( mActionParents ) )
{
searchActions( string, object, found );
}
}
void QgsActionLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
QAction *action = qobject_cast< QAction * >( qvariant_cast<QObject *>( result.userData ) );
if ( action )
action->trigger();
}
void QgsActionLocatorFilter::searchActions( const QString &string, QWidget *parent, QList<QAction *> &found )
{
const QList< QWidget *> children = parent->findChildren<QWidget *>();
for ( QWidget *widget : children )
{
searchActions( string, widget, found );
}
QRegularExpression extractFromTooltip( QStringLiteral( "<b>(.*)</b>" ) );
QRegularExpression newLineToSpace( QStringLiteral( "[\\s\\n\\r]+" ) );
const auto constActions = parent->actions();
for ( QAction *action : constActions )
{
if ( action->menu() )
{
searchActions( string, action->menu(), found );
continue;
}
if ( !action->isEnabled() || !action->isVisible() || action->text().isEmpty() )
continue;
if ( found.contains( action ) )
continue;
QString searchText = action->text();
searchText.replace( '&', QString() );
QString tooltip = action->toolTip();
tooltip.replace( newLineToSpace, QStringLiteral( " " ) );
QRegularExpressionMatch match = extractFromTooltip.match( tooltip );
if ( match.hasMatch() )
{
tooltip = match.captured( 1 );
}
tooltip.replace( QLatin1String( "..." ), QString() );
tooltip.replace( QString( QChar( 0x2026 ) ), QString() );
searchText.replace( QLatin1String( "..." ), QString() );
searchText.replace( QString( QChar( 0x2026 ) ), QString() );
bool uniqueTooltip = searchText.trimmed().compare( tooltip.trimmed(), Qt::CaseInsensitive ) != 0;
if ( action->isChecked() )
{
searchText += QStringLiteral( " [%1]" ).arg( tr( "Active" ) );
}
if ( uniqueTooltip )
{
searchText += QStringLiteral( " (%1)" ).arg( tooltip.trimmed() );
}
QgsLocatorResult result;
result.displayString = searchText;
result.userData = QVariant::fromValue( action );
result.icon = action->icon();
result.score = fuzzyScore( result.displayString, string );
if ( result.score > 0 )
{
found << action;
emit resultFetched( result );
}
}
}
//
// QgsActiveLayerFeaturesLocatorFilter
//
QgsActiveLayerFeaturesLocatorFilter::QgsActiveLayerFeaturesLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{
setUseWithoutPrefix( false );
}
QgsActiveLayerFeaturesLocatorFilter *QgsActiveLayerFeaturesLocatorFilter::clone() const
{
return new QgsActiveLayerFeaturesLocatorFilter();
}
QString QgsActiveLayerFeaturesLocatorFilter::fieldRestriction( QString &searchString, bool *isRestricting )
{
QString _fieldRestriction;
searchString = searchString.trimmed();
if ( isRestricting )
*isRestricting = searchString.startsWith( '@' );
if ( searchString.startsWith( '@' ) )
{
_fieldRestriction = searchString.left( std::min( searchString.indexOf( ' ' ), searchString.length() ) ).remove( 0, 1 );
searchString = searchString.mid( _fieldRestriction.length() + 2 );
}
return _fieldRestriction;
}
QStringList QgsActiveLayerFeaturesLocatorFilter::prepare( const QString &string, const QgsLocatorContext &context )
{
mFieldsCompletion.clear();
// Normally skip very short search strings, unless when specifically searching using this filter or try to match fields
if ( string.length() < 3 && !context.usingPrefix && !string.startsWith( '@' ) )
return QStringList();
QgsSettings settings;
mMaxTotalResults = settings.value( QStringLiteral( "locator_filters/active_layer_features/limit_global" ), 30, QgsSettings::App ).toInt();
QgsVectorLayer *layer = qobject_cast< QgsVectorLayer *>( QgisApp::instance()->activeLayer() );
if ( !layer )
return QStringList();
mDispExpression = QgsExpression( layer->displayExpression() );
mContext.appendScopes( QgsExpressionContextUtils::globalProjectLayerScopes( layer ) );
mDispExpression.prepare( &mContext );
// determine if search is restricted to a specific field
QString searchString = string;
bool isRestricting = false;
QString _fieldRestriction = fieldRestriction( searchString, &isRestricting );
bool allowNumeric = false;
double numericalValue = searchString.toDouble( &allowNumeric );
// search in display expression if no field restriction
if ( !isRestricting )
{
QgsFeatureRequest req;
req.setSubsetOfAttributes( qgis::setToList( mDispExpression.referencedAttributeIndexes( layer->fields() ) ) );
if ( !mDispExpression.needsGeometry() )
req.setFlags( QgsFeatureRequest::NoGeometry );
QString enhancedSearch = searchString;
enhancedSearch.replace( ' ', '%' );
req.setFilterExpression( QStringLiteral( "%1 ILIKE '%%2%'" )
.arg( layer->displayExpression(), enhancedSearch ) );
req.setLimit( mMaxTotalResults );
mDisplayTitleIterator = layer->getFeatures( req );
}
else
{
mDisplayTitleIterator = QgsFeatureIterator();
}
// build up request expression
QStringList expressionParts;
QStringList completionList;
const QgsFields fields = layer->fields();
QgsAttributeList subsetOfAttributes = qgis::setToList( mDispExpression.referencedAttributeIndexes( layer->fields() ) );
for ( const QgsField &field : fields )
{
if ( field.configurationFlags().testFlag( QgsField::ConfigurationFlag::NotSearchable ) )
continue;
if ( isRestricting && !field.name().startsWith( _fieldRestriction ) )
continue;
if ( isRestricting )
{
int index = layer->fields().indexFromName( field.name() );
if ( !subsetOfAttributes.contains( index ) )
subsetOfAttributes << index;
}
// if we are trying to find a field (and not searching anything yet)
// keep the list of matching fields to display them as results
if ( isRestricting && searchString.isEmpty() && _fieldRestriction != field.name() )
{
mFieldsCompletion << field.name();
}
// the completion list (returned by the current method) is used by the locator line edit directly
completionList.append( QStringLiteral( "@%1 " ).arg( field.name() ) );
if ( field.type() == QVariant::String )
{
expressionParts << QStringLiteral( "%1 ILIKE '%%2%'" ).arg( QgsExpression::quotedColumnRef( field.name() ),
searchString );
}
else if ( allowNumeric && field.isNumeric() )
{
expressionParts << QStringLiteral( "%1 = %2" ).arg( QgsExpression::quotedColumnRef( field.name() ), QString::number( numericalValue, 'g', 17 ) );
}
}
QString expression = QStringLiteral( "(%1)" ).arg( expressionParts.join( QLatin1String( " ) OR ( " ) ) );
QgsFeatureRequest req;
if ( !mDispExpression.needsGeometry() )
req.setFlags( QgsFeatureRequest::NoGeometry );
req.setFilterExpression( expression );
if ( isRestricting )
req.setSubsetOfAttributes( subsetOfAttributes );
req.setLimit( mMaxTotalResults );
mFieldIterator = layer->getFeatures( req );
mLayerId = layer->id();
mLayerIcon = QgsMapLayerModel::iconForLayer( layer );
mAttributeAliases.clear();
for ( int idx = 0; idx < layer->fields().size(); ++idx )
{
mAttributeAliases.append( layer->attributeDisplayName( idx ) );
}
return completionList;
}
void QgsActiveLayerFeaturesLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &, QgsFeedback *feedback )
{
QgsFeatureIds featuresFound;
QgsFeature f;
QString searchString = string;
fieldRestriction( searchString );
// propose available fields for restriction
for ( const QString &field : qgis::as_const( mFieldsCompletion ) )
{
QgsLocatorResult result;
result.displayString = QStringLiteral( "@%1" ).arg( field );
result.description = tr( "Limit the search to the field '%1'" ).arg( field );
result.userData = QVariantMap( {{QStringLiteral( "type" ), QVariant::fromValue( ResultType::FieldRestriction )},
{QStringLiteral( "search_text" ), QStringLiteral( "%1 @%2 " ).arg( prefix(), field ) } } );
result.score = 1;
emit resultFetched( result );
}
// search in display title
if ( mDisplayTitleIterator.isValid() )
{
while ( mDisplayTitleIterator.nextFeature( f ) )
{
if ( feedback->isCanceled() )
return;
mContext.setFeature( f );
QgsLocatorResult result;
result.displayString = mDispExpression.evaluate( &mContext ).toString();
result.userData = QVariantMap(
{
{QStringLiteral( "type" ), QVariant::fromValue( ResultType::Feature )},
{QStringLiteral( "feature_id" ), f.id()},
{QStringLiteral( "layer_id" ), mLayerId}
} );
result.icon = mLayerIcon;
result.score = static_cast< double >( searchString.length() ) / result.displayString.size();
emit resultFetched( result );
featuresFound << f.id();
if ( featuresFound.count() >= mMaxTotalResults )
break;
}
}
// search in fields
while ( mFieldIterator.nextFeature( f ) )
{
if ( feedback->isCanceled() )
return;
// do not display twice the same feature
if ( featuresFound.contains( f.id() ) )
continue;
QgsLocatorResult result;
mContext.setFeature( f );
// find matching field content
int idx = 0;
const QgsAttributes attributes = f.attributes();
for ( const QVariant &var : attributes )
{
QString attrString = var.toString();
if ( attrString.contains( searchString, Qt::CaseInsensitive ) )
{
if ( idx < mAttributeAliases.count() )
result.displayString = QStringLiteral( "%1 (%2)" ).arg( attrString, mAttributeAliases[idx] );
else
result.displayString = attrString;
break;
}
idx++;
}
if ( result.displayString.isEmpty() )
continue; //not sure how this result slipped through...
result.description = mDispExpression.evaluate( &mContext ).toString();
result.userData = QVariantMap(
{
{QStringLiteral( "type" ), QVariant::fromValue( ResultType::Feature )},
{QStringLiteral( "feature_id" ), f.id()},
{QStringLiteral( "layer_id" ), mLayerId}
} );
result.icon = mLayerIcon;
result.score = static_cast< double >( searchString.length() ) / result.displayString.size();
emit resultFetched( result );
featuresFound << f.id();
if ( featuresFound.count() >= mMaxTotalResults )
break;
}
}
void QgsActiveLayerFeaturesLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
QVariantMap data = result.userData.value<QVariantMap>();
switch ( data.value( QStringLiteral( "type" ) ).value<ResultType>() )
{
case ResultType::Feature:
{
QgsVectorLayer *layer = QgsProject::instance()->mapLayer<QgsVectorLayer *>( data.value( QStringLiteral( "layer_id" ) ).toString() );
if ( layer )
{
QgsFeatureId fid = data.value( QStringLiteral( "feature_id" ) ).value<QgsFeatureId>();
QgisApp::instance()->mapCanvas()->zoomToFeatureIds( layer, QgsFeatureIds() << fid );
QgisApp::instance()->mapCanvas()->flashFeatureIds( layer, QgsFeatureIds() << fid );
}
break;
}
case ResultType::FieldRestriction:
{
// this is a field restriction
QgisApp::instance()->locatorWidget()->search( data.value( QStringLiteral( "search_text" ) ).toString() );
break;
}
}
}
void QgsActiveLayerFeaturesLocatorFilter::openConfigWidget( QWidget *parent )
{
QString key = "locator_filters/active_layer_features";
QgsSettings settings;
std::unique_ptr<QDialog> dlg( new QDialog( parent ) );
dlg->restoreGeometry( settings.value( QStringLiteral( "Windows/%1/geometry" ).arg( key ) ).toByteArray() );
dlg->setWindowTitle( "All layers features locator filter" );
QFormLayout *formLayout = new QFormLayout;
QSpinBox *globalLimitSpinBox = new QSpinBox( dlg.get() );
globalLimitSpinBox->setValue( settings.value( QStringLiteral( "%1/limit_global" ).arg( key ), 30, QgsSettings::App ).toInt() );
globalLimitSpinBox->setMinimum( 1 );
globalLimitSpinBox->setMaximum( 200 );
formLayout->addRow( tr( "&Maximum number of results:" ), globalLimitSpinBox );
QDialogButtonBox *buttonbBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel, dlg.get() );
formLayout->addRow( buttonbBox );
dlg->setLayout( formLayout );
connect( buttonbBox, &QDialogButtonBox::accepted, [&]()
{
settings.setValue( QStringLiteral( "%1/limit_global" ).arg( key ), globalLimitSpinBox->value(), QgsSettings::App );
dlg->accept();
} );
connect( buttonbBox, &QDialogButtonBox::rejected, dlg.get(), &QDialog::reject );
dlg->exec();
}
//
// QgsAllLayersFeaturesLocatorFilter
//
QgsAllLayersFeaturesLocatorFilter::QgsAllLayersFeaturesLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{
setUseWithoutPrefix( false );
}
QgsAllLayersFeaturesLocatorFilter *QgsAllLayersFeaturesLocatorFilter::clone() const
{
return new QgsAllLayersFeaturesLocatorFilter();
}
QStringList QgsAllLayersFeaturesLocatorFilter::prepare( const QString &string, const QgsLocatorContext &context )
{
// Normally skip very short search strings, unless when specifically searching using this filter
if ( string.length() < 3 && !context.usingPrefix )
return QStringList();
QgsSettings settings;
mMaxTotalResults = settings.value( "locator_filters/all_layers_features/limit_global", 15, QgsSettings::App ).toInt();
mMaxResultsPerLayer = settings.value( "locator_filters/all_layers_features/limit_per_layer", 8, QgsSettings::App ).toInt();
mPreparedLayers.clear();
const QMap<QString, QgsMapLayer *> layers = QgsProject::instance()->mapLayers();
for ( auto it = layers.constBegin(); it != layers.constEnd(); ++it )
{
QgsVectorLayer *layer = qobject_cast< QgsVectorLayer *>( it.value() );
if ( !layer || !layer->dataProvider() || !layer->flags().testFlag( QgsMapLayer::Searchable ) )
continue;
QgsExpression expression( layer->displayExpression() );
QgsExpressionContext context;
context.appendScopes( QgsExpressionContextUtils::globalProjectLayerScopes( layer ) );
expression.prepare( &context );
QgsFeatureRequest req;
req.setSubsetOfAttributes( qgis::setToList( expression.referencedAttributeIndexes( layer->fields() ) ) );
if ( !expression.needsGeometry() )
req.setFlags( QgsFeatureRequest::NoGeometry );
QString enhancedSearch = string;
enhancedSearch.replace( ' ', '%' );
req.setFilterExpression( QStringLiteral( "%1 ILIKE '%%2%'" )
.arg( layer->displayExpression(), enhancedSearch ) );
req.setLimit( mMaxResultsPerLayer );
QgsFeatureRequest exactMatchRequest = req;
exactMatchRequest.setFilterExpression( QStringLiteral( "%1 ILIKE '%2'" )
.arg( layer->displayExpression(), enhancedSearch ) );
exactMatchRequest.setLimit( mMaxResultsPerLayer );
std::shared_ptr<PreparedLayer> preparedLayer( new PreparedLayer() );
preparedLayer->expression = expression;
preparedLayer->context = context;
preparedLayer->layerId = layer->id();
preparedLayer->layerName = layer->name();
preparedLayer->featureSource.reset( new QgsVectorLayerFeatureSource( layer ) );
preparedLayer->request = req;
preparedLayer->exactMatchRequest = exactMatchRequest;
preparedLayer->layerIcon = QgsMapLayerModel::iconForLayer( layer );
mPreparedLayers.append( preparedLayer );
}
return QStringList();
}
void QgsAllLayersFeaturesLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &, QgsFeedback *feedback )
{
int foundInCurrentLayer;
int foundInTotal = 0;
QgsFeature f;
// we cannot used const loop since iterator::nextFeature is not const
for ( auto preparedLayer : qgis::as_const( mPreparedLayers ) )
{
foundInCurrentLayer = 0;
QgsFeatureIds foundFeatureIds;
QgsFeatureIterator exactMatchIt = preparedLayer->featureSource->getFeatures( preparedLayer->exactMatchRequest );
while ( exactMatchIt.nextFeature( f ) )
{
if ( feedback->isCanceled() )
return;
QgsLocatorResult result;
result.group = preparedLayer->layerName;
preparedLayer->context.setFeature( f );
result.displayString = preparedLayer->expression.evaluate( &( preparedLayer->context ) ).toString();
result.userData = QVariantList() << f.id() << preparedLayer->layerId;
foundFeatureIds << f.id();
result.icon = preparedLayer->layerIcon;
result.score = static_cast< double >( string.length() ) / result.displayString.size();
result.actions << QgsLocatorResult::ResultAction( OpenForm, tr( "Open form…" ) );
emit resultFetched( result );
foundInCurrentLayer++;
foundInTotal++;
if ( foundInCurrentLayer >= mMaxResultsPerLayer )
break;
}
if ( foundInCurrentLayer >= mMaxResultsPerLayer )
continue;
if ( foundInTotal >= mMaxTotalResults )
break;
QgsFeatureIterator it = preparedLayer->featureSource->getFeatures( preparedLayer->request );
while ( it.nextFeature( f ) )
{
if ( feedback->isCanceled() )
return;
if ( foundFeatureIds.contains( f.id() ) )
continue;
QgsLocatorResult result;
result.group = preparedLayer->layerName;
preparedLayer->context.setFeature( f );
result.displayString = preparedLayer->expression.evaluate( &( preparedLayer->context ) ).toString();
result.userData = QVariantList() << f.id() << preparedLayer->layerId;
result.icon = preparedLayer->layerIcon;
result.score = static_cast< double >( string.length() ) / result.displayString.size();
result.actions << QgsLocatorResult::ResultAction( OpenForm, tr( "Open form…" ) );
emit resultFetched( result );
foundInCurrentLayer++;
foundInTotal++;
if ( foundInCurrentLayer >= mMaxResultsPerLayer )
break;
}
if ( foundInTotal >= mMaxTotalResults )
break;
}
}
void QgsAllLayersFeaturesLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
triggerResultFromAction( result, NoEntry );
}
void QgsAllLayersFeaturesLocatorFilter::triggerResultFromAction( const QgsLocatorResult &result, const int actionId )
{
QVariantList dataList = result.userData.toList();
QgsFeatureId fid = dataList.at( 0 ).toLongLong();
QString layerId = dataList.at( 1 ).toString();
QgsVectorLayer *layer = QgsProject::instance()->mapLayer<QgsVectorLayer *>( layerId );
if ( !layer )
return;
if ( actionId == OpenForm )
{
QgsFeature f;
QgsFeatureRequest request;
request.setFilterFid( fid );
bool fetched = layer->getFeatures( request ).nextFeature( f );
if ( !fetched )
return;
QgsFeatureAction action( tr( "Attributes changed" ), f, layer, QString(), -1, QgisApp::instance() );
if ( layer->isEditable() )
{
action.editFeature( false );
}
else
{
action.viewFeatureForm();
}
}
else
{
QgisApp::instance()->mapCanvas()->zoomToFeatureIds( layer, QgsFeatureIds() << fid );
QgisApp::instance()->mapCanvas()->flashFeatureIds( layer, QgsFeatureIds() << fid );
}
}
void QgsAllLayersFeaturesLocatorFilter::openConfigWidget( QWidget *parent )
{
QString key = "locator_filters/all_layers_features";
QgsSettings settings;
std::unique_ptr<QDialog> dlg( new QDialog( parent ) );
dlg->restoreGeometry( settings.value( QStringLiteral( "Windows/%1/geometry" ).arg( key ) ).toByteArray() );
dlg->setWindowTitle( "All layers features locator filter" );
QFormLayout *formLayout = new QFormLayout;
QSpinBox *globalLimitSpinBox = new QSpinBox( dlg.get() );
globalLimitSpinBox->setValue( settings.value( QStringLiteral( "%1/limit_global" ).arg( key ), 15, QgsSettings::App ).toInt() );
globalLimitSpinBox->setMinimum( 1 );
globalLimitSpinBox->setMaximum( 200 );
formLayout->addRow( tr( "&Maximum number of results:" ), globalLimitSpinBox );
QSpinBox *perLayerLimitSpinBox = new QSpinBox( dlg.get() );
perLayerLimitSpinBox->setValue( settings.value( QStringLiteral( "%1/limit_per_layer" ).arg( key ), 8, QgsSettings::App ).toInt() );
perLayerLimitSpinBox->setMinimum( 1 );
perLayerLimitSpinBox->setMaximum( 200 );
formLayout->addRow( tr( "&Maximum number of results per layer:" ), perLayerLimitSpinBox );
QDialogButtonBox *buttonbBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel, dlg.get() );
formLayout->addRow( buttonbBox );
dlg->setLayout( formLayout );
connect( buttonbBox, &QDialogButtonBox::accepted, [&]()
{
settings.setValue( QStringLiteral( "%1/limit_global" ).arg( key ), globalLimitSpinBox->value(), QgsSettings::App );
settings.setValue( QStringLiteral( "%1/limit_per_layer" ).arg( key ), perLayerLimitSpinBox->value(), QgsSettings::App );
dlg->accept();
} );
connect( buttonbBox, &QDialogButtonBox::rejected, dlg.get(), &QDialog::reject );
dlg->exec();
}
//
// QgsExpressionCalculatorLocatorFilter
//
QgsExpressionCalculatorLocatorFilter::QgsExpressionCalculatorLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{
setUseWithoutPrefix( false );
}
QgsExpressionCalculatorLocatorFilter *QgsExpressionCalculatorLocatorFilter::clone() const
{
return new QgsExpressionCalculatorLocatorFilter();
}
void QgsExpressionCalculatorLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &, QgsFeedback * )
{
QgsExpressionContext context;
context << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope( QgsProject::instance() )
<< QgsExpressionContextUtils::layerScope( QgisApp::instance()->activeLayer() );
QString error;
if ( QgsExpression::checkExpression( string, &context, error ) )
{
QgsExpression exp( string );
QString resultString = exp.evaluate( &context ).toString();
if ( !resultString.isEmpty() )
{
QgsLocatorResult result;
result.filter = this;
result.displayString = tr( "Copy “%1” to clipboard" ).arg( resultString );
result.userData = resultString;
result.score = 1;
emit resultFetched( result );
}
}
}
void QgsExpressionCalculatorLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
QApplication::clipboard()->setText( result.userData.toString() );
}
// SettingsLocatorFilter
//
QgsSettingsLocatorFilter::QgsSettingsLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{}
QgsSettingsLocatorFilter *QgsSettingsLocatorFilter::clone() const
{
return new QgsSettingsLocatorFilter();
}
void QgsSettingsLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &context, QgsFeedback * )
{
QMap<QString, QMap<QString, QString>> matchingSettingsPagesMap;
QMap<QString, int > optionsPagesMap = QgisApp::instance()->optionsPagesMap();
for ( auto optionsPagesIterator = optionsPagesMap.constBegin(); optionsPagesIterator != optionsPagesMap.constEnd(); ++optionsPagesIterator )
{
QString title = optionsPagesIterator.key();
matchingSettingsPagesMap.insert( title + " (" + tr( "Options" ) + ")", settingsPage( QStringLiteral( "optionpage" ), QString::number( optionsPagesIterator.value() ) ) );
}
QMap<QString, QString> projectPropertyPagesMap = QgisApp::instance()->projectPropertiesPagesMap();
for ( auto projectPropertyPagesIterator = projectPropertyPagesMap.constBegin(); projectPropertyPagesIterator != projectPropertyPagesMap.constEnd(); ++projectPropertyPagesIterator )
{
QString title = projectPropertyPagesIterator.key();
matchingSettingsPagesMap.insert( title + " (" + tr( "Project Properties" ) + ")", settingsPage( QStringLiteral( "projectpropertypage" ), projectPropertyPagesIterator.value() ) );
}
QMap<QString, QString> settingPagesMap = QgisApp::instance()->settingPagesMap();
for ( auto settingPagesIterator = settingPagesMap.constBegin(); settingPagesIterator != settingPagesMap.constEnd(); ++settingPagesIterator )
{
QString title = settingPagesIterator.key();
matchingSettingsPagesMap.insert( title, settingsPage( QStringLiteral( "settingspage" ), settingPagesIterator.value() ) );
}
for ( auto matchingSettingsPagesIterator = matchingSettingsPagesMap.constBegin(); matchingSettingsPagesIterator != matchingSettingsPagesMap.constEnd(); ++matchingSettingsPagesIterator )
{
QString title = matchingSettingsPagesIterator.key();
QMap<QString, QString> settingsPage = matchingSettingsPagesIterator.value();
QgsLocatorResult result;
result.filter = this;
result.displayString = title;
result.userData.setValue( settingsPage );
if ( context.usingPrefix && string.isEmpty() )
{
emit resultFetched( result );
continue;
}
result.score = fuzzyScore( result.displayString, string );
if ( result.score > 0 )
emit resultFetched( result );
}
}
QMap<QString, QString> QgsSettingsLocatorFilter::settingsPage( const QString &type, const QString &page )
{
QMap<QString, QString> returnPage;
returnPage.insert( QStringLiteral( "type" ), type );
returnPage.insert( QStringLiteral( "page" ), page );
return returnPage;
}
void QgsSettingsLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
QMap<QString, QString> settingsPage = qvariant_cast<QMap<QString, QString>>( result.userData );
QString type = settingsPage.value( QStringLiteral( "type" ) );
QString page = settingsPage.value( QStringLiteral( "page" ) );
if ( type == QLatin1String( "optionpage" ) )
{
const int pageNumber = page.toInt();
QgisApp::instance()->showOptionsDialog( QgisApp::instance(), QString(), pageNumber );
}
else if ( type == QLatin1String( "projectpropertypage" ) )
{
QgisApp::instance()->showProjectProperties( page );
}
else if ( type == QLatin1String( "settingspage" ) )
{
QgisApp::instance()->showSettings( page );
}
}
// QgBookmarkLocatorFilter
//
QgsBookmarkLocatorFilter::QgsBookmarkLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{}
QgsBookmarkLocatorFilter *QgsBookmarkLocatorFilter::clone() const
{
return new QgsBookmarkLocatorFilter();
}
void QgsBookmarkLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &context, QgsFeedback *feedback )
{
QMap<QString, QModelIndex> bookmarkMap = QgisApp::instance()->getBookmarkIndexMap();
QMapIterator<QString, QModelIndex> i( bookmarkMap );
while ( i.hasNext() )
{
i.next();
if ( feedback->isCanceled() )
return;
QString name = i.key();
QModelIndex index = i.value();
QgsLocatorResult result;
result.filter = this;
result.displayString = name;
result.userData = index;
result.icon = QgsApplication::getThemeIcon( QStringLiteral( "/mItemBookmark.svg" ) );
if ( context.usingPrefix && string.isEmpty() )
{
emit resultFetched( result );
continue;
}
result.score = fuzzyScore( result.displayString, string );
if ( result.score > 0 )
emit resultFetched( result );
}
}
void QgsBookmarkLocatorFilter::triggerResult( const QgsLocatorResult &result )
{
QModelIndex index = qvariant_cast<QModelIndex>( result.userData );
QgisApp::instance()->zoomToBookmarkIndex( index );
}
//
// QgsGotoLocatorFilter
//
QgsGotoLocatorFilter::QgsGotoLocatorFilter( QObject *parent )
: QgsLocatorFilter( parent )
{}
QgsGotoLocatorFilter *QgsGotoLocatorFilter::clone() const
{
return new QgsGotoLocatorFilter();
}
void QgsGotoLocatorFilter::fetchResults( const QString &string, const QgsLocatorContext &, QgsFeedback *feedback )
{
if ( feedback->isCanceled() )
return;
const QgsCoordinateReferenceSystem currentCrs = QgisApp::instance()->mapCanvas()->mapSettings().destinationCrs();
const QgsCoordinateReferenceSystem wgs84Crs( QStringLiteral( "EPSG:4326" ) );
bool okX = false;
bool okY = false;
double posX = 0.0;
double posY = 0.0;
bool posIsDms = false;
QLocale locale;
// Coordinates such as 106.8468,-6.3804
QRegularExpression separatorRx( QStringLiteral( "^([0-9\\-\\%1\\%2]*)[\\s%3]*([0-9\\-\\%1\\%2]*)$" ).arg( locale.decimalPoint(),
locale.groupSeparator(),
locale.decimalPoint() != ',' && locale.groupSeparator() != ',' ? QStringLiteral( "\\," ) : QString() ) );
QRegularExpressionMatch match = separatorRx.match( string.trimmed() );
if ( match.hasMatch() )
{
posX = locale.toDouble( match.captured( 1 ), &okX );
posY = locale.toDouble( match.captured( 2 ), &okY );
}
if ( !match.hasMatch() || !okX || !okY )
{
// Digit detection using user locale failed, use default C decimal separators
separatorRx = QRegularExpression( QStringLiteral( "^([0-9\\-\\.]*)[\\s\\,]*([0-9\\-\\.]*)$" ) );
match = separatorRx.match( string.trimmed() );
if ( match.hasMatch() )
{
posX = match.captured( 1 ).toDouble( &okX );
posY = match.captured( 2 ).toDouble( &okY );
}
}
if ( !match.hasMatch() )
{
// Check if the string is a pair of degree minute second
separatorRx = QRegularExpression( QStringLiteral( "^((?:([-+nsew])\\s*)?\\d{1,3}(?:[^0-9.]+[0-5]?\\d)?[^0-9.]+[0-5]?\\d(?:\\.\\d+)?[^0-9.]*[-+nsew]?)\\s+((?:([-+nsew])\\s*)?\\d{1,3}(?:[^0-9.]+[0-5]?\\d)?[^0-9.]+[0-5]?\\d(?:\\.\\d+)?[^0-9.]*[-+nsew]?)$" ) );
match = separatorRx.match( string.trimmed() );
if ( match.hasMatch() )
{
posIsDms = true;
posX = QgsCoordinateUtils::dmsToDecimal( match.captured( 1 ), &okX );
posY = QgsCoordinateUtils::dmsToDecimal( match.captured( 3 ), &okY );
}
}
if ( okX && okY )
{
QVariantMap data;
QgsPointXY point( posX, posY );
data.insert( QStringLiteral( "point" ), point );
bool withinWgs84 = wgs84Crs.bounds().contains( point );
if ( !posIsDms && currentCrs != wgs84Crs )
{
QgsLocatorResult result;
result.filter = this;
result.displayString = tr( "Go to %1 %2 (Map CRS, %3)" ).arg( locale.toString( point.x(), 'g', 10 ), locale.toString( point.y(), 'g', 10 ), currentCrs.userFriendlyIdentifier() );
result.userData = data;
result.score = 0.9;
emit resultFetched( result );
}