17#include "moc_qgsprocessingmultipleselectiondialog.cpp"
31#include <QStandardItemModel>
32#include <QStandardItem>
37#include <QDirIterator>
39#include <QDragEnterEvent>
43QgsProcessingMultipleSelectionPanelWidget::QgsProcessingMultipleSelectionPanelWidget(
const QVariantList &availableOptions,
const QVariantList &selectedOptions, QWidget *parent )
45 , mValueFormatter( []( const QVariant &v ) -> QString {
46 if ( v.userType() == qMetaTypeId<QgsProcessingModelChildParameterSource>() )
47 return v.value<QgsProcessingModelChildParameterSource>().staticValue().toString();
56 mSelectionList->setSelectionBehavior( QAbstractItemView::SelectRows );
57 mSelectionList->setSelectionMode( QAbstractItemView::ExtendedSelection );
58 mSelectionList->setDragDropMode( QAbstractItemView::InternalMove );
60 mButtonSelectAll =
new QPushButton( tr(
"Select All" ) );
61 mButtonBox->addButton( mButtonSelectAll, QDialogButtonBox::ActionRole );
63 mButtonClearSelection =
new QPushButton( tr(
"Clear Selection" ) );
64 mButtonBox->addButton( mButtonClearSelection, QDialogButtonBox::ActionRole );
66 mButtonToggleSelection =
new QPushButton( tr(
"Toggle Selection" ) );
67 mButtonBox->addButton( mButtonToggleSelection, QDialogButtonBox::ActionRole );
69 connect( mButtonSelectAll, &QPushButton::clicked,
this, [=] { selectAll(
true ); } );
70 connect( mButtonClearSelection, &QPushButton::clicked,
this, [=] { selectAll(
false ); } );
71 connect( mButtonToggleSelection, &QPushButton::clicked,
this, &QgsProcessingMultipleSelectionPanelWidget::toggleSelection );
73 connect( mButtonBox, &QDialogButtonBox::accepted,
this, &QgsProcessingMultipleSelectionPanelWidget::acceptClicked );
74 populateList( availableOptions, selectedOptions );
76 connect( mModel, &QStandardItemModel::itemChanged,
this, &QgsProcessingMultipleSelectionPanelWidget::selectionChanged );
80 connect( mModel, &QStandardItemModel::rowsRemoved,
this, &QgsProcessingMultipleSelectionPanelWidget::selectionChanged );
83void QgsProcessingMultipleSelectionPanelWidget::setValueFormatter(
const std::function<QString(
const QVariant & )> &formatter )
85 mValueFormatter = formatter;
87 for (
int i = 0; i < mModel->rowCount(); ++i )
89 mModel->item( i )->setText( mValueFormatter( mModel->item( i )->data( Qt::UserRole ) ) );
93QVariantList QgsProcessingMultipleSelectionPanelWidget::selectedOptions()
const
96 options.reserve( mModel->rowCount() );
97 bool hasModelSources =
false;
98 for (
int i = 0; i < mModel->rowCount(); ++i )
100 QStandardItem *item = mModel->item( i );
106 if ( item->checkState() == Qt::Checked )
108 const QVariant option = item->data( Qt::UserRole );
110 if ( option.userType() == qMetaTypeId<QgsProcessingModelChildParameterSource>() )
111 hasModelSources =
true;
117 if ( hasModelSources )
120 QVariantList originalOptions = options;
122 for (
const QVariant &option : originalOptions )
124 if ( option.userType() == qMetaTypeId<QgsProcessingModelChildParameterSource>() )
127 options << QVariant::fromValue( QgsProcessingModelChildParameterSource::fromStaticValue( option ) );
135void QgsProcessingMultipleSelectionPanelWidget::selectAll(
const bool checked )
137 const QList<QStandardItem *> items = currentItems();
138 for ( QStandardItem *item : items )
140 item->setCheckState( checked ? Qt::Checked : Qt::Unchecked );
144void QgsProcessingMultipleSelectionPanelWidget::toggleSelection()
146 const QList<QStandardItem *> items = currentItems();
147 for ( QStandardItem *item : items )
149 item->setCheckState( item->checkState() == Qt::Unchecked ? Qt::Checked : Qt::Unchecked );
153QList<QStandardItem *> QgsProcessingMultipleSelectionPanelWidget::currentItems()
155 QList<QStandardItem *> items;
156 const QModelIndexList selection = mSelectionList->selectionModel()->selectedIndexes();
157 if ( selection.size() > 1 )
159 items.reserve( selection.size() );
160 for (
const QModelIndex &index : selection )
162 items << mModel->itemFromIndex( index );
167 items.reserve( mModel->rowCount() );
168 for (
int i = 0; i < mModel->rowCount(); ++i )
170 items << mModel->item( i );
176void QgsProcessingMultipleSelectionPanelWidget::populateList(
const QVariantList &availableOptions,
const QVariantList &selectedOptions )
178 mModel =
new QStandardItemModel(
this );
180 QVariantList remainingOptions = availableOptions;
183 for (
const QVariant &option : selectedOptions )
189 addOption( option, mValueFormatter( option ),
true );
190 remainingOptions.removeAll( option );
193 for (
const QVariant &option : std::as_const( remainingOptions ) )
195 addOption( option, mValueFormatter( option ),
false );
198 mSelectionList->setModel( mModel );
201QList<int> QgsProcessingMultipleSelectionPanelWidget::existingMapLayerFromMimeData(
const QMimeData *data )
const
210 for (
int i = 0; i < mModel->rowCount(); ++i )
213 QString userRole = mModel->item( i )->data( Qt::UserRole ).toString();
214 if ( userRole == layer->id() || userRole == layer->source() )
224void QgsProcessingMultipleSelectionPanelWidget::dragEnterEvent( QDragEnterEvent *event )
226 if ( !( event->possibleActions() & Qt::CopyAction ) )
229 const QList<int> indexes = existingMapLayerFromMimeData( event->mimeData() );
230 if ( !indexes.isEmpty() )
233 event->setDropAction( Qt::CopyAction );
238void QgsProcessingMultipleSelectionPanelWidget::dropEvent( QDropEvent *event )
240 if ( !( event->possibleActions() & Qt::CopyAction ) )
243 const QList<int> indexes = existingMapLayerFromMimeData( event->mimeData() );
244 if ( !indexes.isEmpty() )
247 setFocus( Qt::MouseFocusReason );
248 event->setDropAction( Qt::CopyAction );
251 for (
const int i : indexes )
253 mModel->item( i )->setCheckState( Qt::Checked );
255 emit selectionChanged();
259void QgsProcessingMultipleSelectionPanelWidget::addOption(
const QVariant &value,
const QString &title,
bool selected,
bool updateExistingTitle )
262 for (
int i = 0; i < mModel->rowCount(); ++i )
264 if ( mModel->item( i )->data( Qt::UserRole ) == value || ( mModel->item( i )->data( Qt::UserRole ).userType() == qMetaTypeId<QgsProcessingModelChildParameterSource>() && value.userType() == qMetaTypeId<QgsProcessingModelChildParameterSource>() && mModel->item( i )->data( Qt::UserRole ).value<QgsProcessingModelChildParameterSource>() == value.value<QgsProcessingModelChildParameterSource>() ) )
266 if ( updateExistingTitle )
267 mModel->item( i )->setText( title );
272 auto item = std::make_unique<QStandardItem>( title );
273 item->setData( value, Qt::UserRole );
274 item->setCheckState( selected ? Qt::Checked : Qt::Unchecked );
275 item->setCheckable(
true );
276 item->setDropEnabled(
false );
277 mModel->appendRow( item.release() );
285QgsProcessingMultipleSelectionDialog::QgsProcessingMultipleSelectionDialog(
const QVariantList &availableOptions,
const QVariantList &selectedOptions, QWidget *parent, Qt::WindowFlags flags )
286 : QDialog( parent, flags )
288 setWindowTitle( tr(
"Multiple Selection" ) );
289 QVBoxLayout *vLayout =
new QVBoxLayout();
290 mWidget =
new QgsProcessingMultipleSelectionPanelWidget( availableOptions, selectedOptions );
291 vLayout->addWidget( mWidget );
292 mWidget->buttonBox()->addButton( QDialogButtonBox::Cancel );
293 connect( mWidget->buttonBox(), &QDialogButtonBox::accepted,
this, &QDialog::accept );
294 connect( mWidget->buttonBox(), &QDialogButtonBox::rejected,
this, &QDialog::reject );
295 setLayout( vLayout );
298void QgsProcessingMultipleSelectionDialog::setValueFormatter(
const std::function<QString(
const QVariant & )> &formatter )
300 mWidget->setValueFormatter( formatter );
303QVariantList QgsProcessingMultipleSelectionDialog::selectedOptions()
const
305 return mWidget->selectedOptions();
313QgsProcessingMultipleInputPanelWidget::QgsProcessingMultipleInputPanelWidget(
const QgsProcessingParameterMultipleLayers *parameter,
const QVariantList &selectedOptions,
const QList<QgsProcessingModelChildParameterSource> &modelSources, QgsProcessingModelAlgorithm *model, QWidget *parent )
314 : QgsProcessingMultipleSelectionPanelWidget( QVariantList(), selectedOptions, parent )
315 , mParameter( parameter )
317 QPushButton *addFileButton =
new QPushButton( tr(
"Add File(s)…" ) );
318 connect( addFileButton, &QPushButton::clicked,
this, &QgsProcessingMultipleInputPanelWidget::addFiles );
319 buttonBox()->addButton( addFileButton, QDialogButtonBox::ActionRole );
321 QPushButton *addDirButton =
new QPushButton( tr(
"Add Directory…" ) );
322 connect( addDirButton, &QPushButton::clicked,
this, &QgsProcessingMultipleInputPanelWidget::addDirectory );
323 buttonBox()->addButton( addDirButton, QDialogButtonBox::ActionRole );
324 setAcceptDrops(
true );
325 for (
const QgsProcessingModelChildParameterSource &source : modelSources )
327 addOption( QVariant::fromValue( source ), source.friendlyIdentifier( model ),
false,
true );
331void QgsProcessingMultipleInputPanelWidget::setProject(
QgsProject *project )
334 populateFromProject( project );
337void QgsProcessingMultipleInputPanelWidget::addFiles()
340 QString path = settings.
value( QStringLiteral(
"/Processing/LastInputPath" ), QDir::homePath() ).toString();
344 filter = generator->createFileFilter();
346 filter = QObject::tr(
"All files (*.*)" );
348 const QStringList filenames = QFileDialog::getOpenFileNames(
this, tr(
"Select File(s)" ), path, filter );
349 if ( filenames.empty() )
352 settings.
setValue( QStringLiteral(
"/Processing/LastInputPath" ), QFileInfo( filenames.at( 0 ) ).path() );
354 for (
const QString &file : filenames )
356 addOption( file, file,
true );
359 emit selectionChanged();
362void QgsProcessingMultipleInputPanelWidget::addDirectory()
365 const QString path = settings.
value( QStringLiteral(
"/Processing/LastInputPath" ), QDir::homePath() ).toString();
367 const QString dir = QFileDialog::getExistingDirectory(
this, tr(
"Select Directory" ), path );
371 settings.
setValue( QStringLiteral(
"/Processing/LastInputPath" ), dir );
373 QStringList nameFilters;
377 for (
const QString &extension : extensions )
379 nameFilters << QStringLiteral(
"*.%1" ).arg( extension );
380 nameFilters << QStringLiteral(
"*.%1" ).arg( extension.toUpper() );
381 nameFilters << QStringLiteral(
"*.%1" ).arg( extension.toLower() );
385 QDirIterator it( dir, nameFilters, QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot, QDirIterator::Subdirectories );
386 while ( it.hasNext() )
388 const QString fullPath = it.next();
389 if ( fullPath.endsWith( QLatin1String(
".dbf" ), Qt::CaseInsensitive ) )
391 if ( QFileInfo::exists( QStringLiteral(
"%1.shp" ).arg( fullPath.chopped( 4 ) ) ) || QFileInfo::exists( QStringLiteral(
"%1.SHP" ).arg( fullPath.chopped( 4 ) ) ) )
397 else if ( fullPath.endsWith( QLatin1String(
".aux.xml" ), Qt::CaseInsensitive ) || fullPath.endsWith( QLatin1String(
".shp.xml" ), Qt::CaseInsensitive ) )
402 addOption( fullPath, fullPath,
true );
404 emit selectionChanged();
407QList<int> QgsProcessingMultipleInputPanelWidget::existingMapLayerFromMimeData(
const QMimeData *data,
QgsMimeDataUtils::UriList &handledUrls )
const
415 bool matched =
false;
418 for (
int i = 0; i < mModel->rowCount(); ++i )
421 const QString userRole = mModel->item( i )->data( Qt::UserRole ).toString();
422 if ( userRole == layer->id() || userRole == layer->source() )
432 handledUrls.append( u );
441 QStringList skipUrlData;
442 skipUrlData.reserve( skipUrls.size() );
445 skipUrlData.append( u.data() );
453 if ( skipUrlData.contains( u.data() ) )
466 bool acceptable =
false;
510 if ( !uriList.isEmpty() )
514 QStringList rawPaths;
515 if ( data->hasUrls() )
517 const QList<QUrl> urls = data->urls();
518 rawPaths.reserve( urls.count() );
519 for (
const QUrl &url : urls )
521 const QString local = url.toLocalFile();
522 if ( !rawPaths.contains( local ) )
523 rawPaths.append( local );
526 if ( !data->text().isEmpty() && !rawPaths.contains( data->text() ) )
527 rawPaths.append( data->text() );
529 for (
const QString &path : std::as_const( rawPaths ) )
531 QFileInfo file( path );
542void QgsProcessingMultipleInputPanelWidget::dragEnterEvent( QDragEnterEvent *event )
544 if ( !( event->possibleActions() & Qt::CopyAction ) )
549 const QList<int> indexes = existingMapLayerFromMimeData( event->mimeData(), handledUris );
550 if ( !indexes.isEmpty() )
553 event->setDropAction( Qt::CopyAction );
559 const QStringList uris = compatibleUrisFromMimeData( mParameter, event->mimeData(), handledUris );
560 if ( !uris.isEmpty() )
563 event->setDropAction( Qt::CopyAction );
568void QgsProcessingMultipleInputPanelWidget::dropEvent( QDropEvent *event )
570 if ( !( event->possibleActions() & Qt::CopyAction ) )
574 const QList<int> indexes = existingMapLayerFromMimeData( event->mimeData(), handledUris );
575 if ( !indexes.isEmpty() )
578 setFocus( Qt::MouseFocusReason );
579 event->setDropAction( Qt::CopyAction );
582 for (
const int i : indexes )
584 mModel->item( i )->setCheckState( Qt::Checked );
586 emit selectionChanged();
590 const QStringList uris = compatibleUrisFromMimeData( mParameter, event->mimeData(), handledUris );
591 if ( !uris.isEmpty() )
593 for (
const QString &uri : uris )
595 addOption( uri, uri,
true );
597 emit selectionChanged();
601void QgsProcessingMultipleInputPanelWidget::populateFromProject(
QgsProject *project )
604 for (
int i = 0; i < mModel->rowCount(); ++i )
606 const QStandardItem *item = mModel->item( i );
607 if ( item->data( Qt::UserRole ) == layerId )
609 bool isChecked = ( item->checkState() == Qt::Checked );
610 mModel->removeRow( i );
613 emit selectionChanged();
622 const QString authid = layer->crs().authid();
624 if ( settings.value( QStringLiteral(
"Processing/Configuration/SHOW_CRS_DEF" ),
true ).toBool() && !authid.isEmpty() )
625 title = QStringLiteral(
"%1 [%2]" ).arg( layer->name(), authid );
627 title = layer->name();
630 QString
id = layer->id();
632 id = QStringLiteral(
"main" );
634 for (
int i = 0; i < mModel->rowCount(); ++i )
637 if ( mModel->item( i )->data( Qt::UserRole ) == layer->id() )
642 else if ( mModel->item( i )->data( Qt::UserRole ) == layer->source() )
644 id = layer->source();
649 addOption(
id, title,
false,
true );
652 switch ( mParameter->layerType() )
788QgsProcessingMultipleInputDialog::QgsProcessingMultipleInputDialog(
const QgsProcessingParameterMultipleLayers *parameter,
const QVariantList &selectedOptions,
const QList<QgsProcessingModelChildParameterSource> &modelSources, QgsProcessingModelAlgorithm *model, QWidget *parent, Qt::WindowFlags flags )
789 : QDialog( parent, flags )
791 setWindowTitle( tr(
"Multiple Selection" ) );
792 QVBoxLayout *vLayout =
new QVBoxLayout();
793 mWidget =
new QgsProcessingMultipleInputPanelWidget( parameter, selectedOptions, modelSources, model );
794 vLayout->addWidget( mWidget );
795 mWidget->buttonBox()->addButton( QDialogButtonBox::Cancel );
796 connect( mWidget->buttonBox(), &QDialogButtonBox::accepted,
this, &QDialog::accept );
797 connect( mWidget->buttonBox(), &QDialogButtonBox::rejected,
this, &QDialog::reject );
798 setLayout( vLayout );
799 setAcceptDrops(
true );
802QVariantList QgsProcessingMultipleInputDialog::selectedOptions()
const
804 return mWidget->selectedOptions();
807void QgsProcessingMultipleInputDialog::setProject(
QgsProject *project )
809 mWidget->setProject( project );
@ File
Files (i.e. non map layer sources, such as text files)
@ Annotation
Annotation layers.
@ Vector
Tables (i.e. vector layers with or without geometry). When used for a sink this indicates the sink ha...
@ VectorTile
Vector tile layers.
@ MapLayer
Any map layer type (raster, vector, mesh, point cloud, annotation or plugin layer)
@ VectorAnyGeometry
Any vector layer with geometry.
@ VectorPoint
Vector point layers.
@ VectorPolygon
Vector polygon layers.
@ VectorLine
Vector line layers.
@ PointCloud
Point cloud layers.
@ VectorTile
Vector tile layer. Added in QGIS 3.14.
@ Mesh
Mesh layer. Added in QGIS 3.2.
@ PointCloud
Point cloud layer. Added in QGIS 3.18.
Represents a map layer containing a set of georeferenced annotations, e.g.
Abstract interface for classes which generate a file filter string.
static QStringList extensionsFromFilter(const QString &filter)
Returns a list of the extensions contained within a file filter string.
static void enableAutoGeometryRestore(QWidget *widget, const QString &key=QString())
Register the widget to allow its position to be automatically saved and restored when open and closed...
static QString typeToString(Qgis::LayerType type)
Converts a map layer type to a string value.
Base class for all map layer types.
Represents a mesh layer supporting display of data on structured or unstructured meshes.
QList< QgsMimeDataUtils::Uri > UriList
static UriList decodeUriList(const QMimeData *data)
Base class for plugin layers.
Represents a map layer supporting display of point clouds.
A parameter for processing algorithms which accepts multiple map layers.
Qgis::ProcessingSourceType layerType() const
Returns the layer type for layers acceptable by the parameter.
static QList< QgsAnnotationLayer * > compatibleAnnotationLayers(QgsProject *project, bool sort=true)
Returns a list of annotation layers from a project which are compatible with the processing framework...
static QString encodeProviderKeyAndUri(const QString &providerKey, const QString &uri)
Encodes a provider key and layer uri to a single string, for use with decodeProviderKeyAndUri()
static QList< QgsRasterLayer * > compatibleRasterLayers(QgsProject *project, bool sort=true)
Returns a list of raster layers from a project which are compatible with the processing framework.
static QList< QgsPluginLayer * > compatiblePluginLayers(QgsProject *project, bool sort=true)
Returns a list of plugin layers from a project which are compatible with the processing framework.
static QList< QgsVectorLayer * > compatibleVectorLayers(QgsProject *project, const QList< int > &sourceTypes=QList< int >(), bool sort=true)
Returns a list of vector layers from a project which are compatible with the processing framework.
static QList< QgsVectorTileLayer * > compatibleVectorTileLayers(QgsProject *project, bool sort=true)
Returns a list of vector tile layers from a project which are compatible with the processing framewor...
static QList< QgsPointCloudLayer * > compatiblePointCloudLayers(QgsProject *project, bool sort=true)
Returns a list of point cloud layers from a project which are compatible with the processing framewor...
static QList< QgsMeshLayer * > compatibleMeshLayers(QgsProject *project, bool sort=true)
Returns a list of mesh layers from a project which are compatible with the processing framework.
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
QgsAnnotationLayer * mainAnnotationLayer()
Returns the main annotation layer associated with the project.
void layerRemoved(const QString &layerId)
Emitted after a layer was removed from the registry.
Represents a raster layer.
This class is a composition of two QSettings instances:
QVariant value(const QString &key, const QVariant &defaultValue=QVariant(), Section section=NoSection) const
Returns the value for setting key.
void setValue(const QString &key, const QVariant &value, QgsSettings::Section section=QgsSettings::NoSection)
Sets the value of setting key to value.
Represents a vector layer which manages a vector based data sets.
Implements a map layer that is dedicated to rendering of vector tiles.
static Qgis::GeometryType geometryType(Qgis::WkbType type)
Returns the geometry type for a WKB type, e.g., both MultiPolygon and CurvePolygon would have a Polyg...